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-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_sampler.c498
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_clear.c22
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c3796
-rw-r--r--mesalib/src/mesa/state_tracker/st_draw.c1510
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.c59
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.h166
-rw-r--r--mesalib/src/mesa/state_tracker/st_gen_mipmap.c14
7 files changed, 3071 insertions, 2994 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
index c9dfe248f..474cbd589 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
@@ -1,270 +1,228 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Brian Paul
- */
-
-
-#include "main/macros.h"
-
-#include "st_context.h"
-#include "st_cb_texture.h"
-#include "st_atom.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-
-#include "cso_cache/cso_context.h"
-
-
-/**
- * Convert GLenum texcoord wrap tokens to pipe tokens.
- */
-static GLuint
-gl_wrap_xlate(GLenum wrap)
-{
- switch (wrap) {
- case GL_REPEAT:
- return PIPE_TEX_WRAP_REPEAT;
- case GL_CLAMP:
- return PIPE_TEX_WRAP_CLAMP;
- case GL_CLAMP_TO_EDGE:
- return PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- case GL_CLAMP_TO_BORDER:
- return PIPE_TEX_WRAP_CLAMP_TO_BORDER;
- case GL_MIRRORED_REPEAT:
- return PIPE_TEX_WRAP_MIRROR_REPEAT;
- case GL_MIRROR_CLAMP_EXT:
- return PIPE_TEX_WRAP_MIRROR_CLAMP;
- case GL_MIRROR_CLAMP_TO_EDGE_EXT:
- return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE;
- case GL_MIRROR_CLAMP_TO_BORDER_EXT:
- return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER;
- default:
- assert(0);
- return 0;
- }
-}
-
-
-static GLuint
-gl_filter_to_mip_filter(GLenum filter)
-{
- switch (filter) {
- case GL_NEAREST:
- case GL_LINEAR:
- return PIPE_TEX_MIPFILTER_NONE;
-
- case GL_NEAREST_MIPMAP_NEAREST:
- case GL_LINEAR_MIPMAP_NEAREST:
- return PIPE_TEX_MIPFILTER_NEAREST;
-
- case GL_NEAREST_MIPMAP_LINEAR:
- case GL_LINEAR_MIPMAP_LINEAR:
- return PIPE_TEX_MIPFILTER_LINEAR;
-
- default:
- assert(0);
- return PIPE_TEX_MIPFILTER_NONE;
- }
-}
-
-
-static GLuint
-gl_filter_to_img_filter(GLenum filter)
-{
- switch (filter) {
- case GL_NEAREST:
- case GL_NEAREST_MIPMAP_NEAREST:
- case GL_NEAREST_MIPMAP_LINEAR:
- return PIPE_TEX_FILTER_NEAREST;
-
- case GL_LINEAR:
- case GL_LINEAR_MIPMAP_NEAREST:
- case GL_LINEAR_MIPMAP_LINEAR:
- return PIPE_TEX_FILTER_LINEAR;
-
- default:
- assert(0);
- return PIPE_TEX_FILTER_NEAREST;
- }
-}
-
-
-static void
-xlate_border_color(const GLfloat *colorIn, GLenum baseFormat, GLfloat *colorOut)
-{
- switch (baseFormat) {
- case GL_RED:
- colorOut[0] = colorIn[0];
- colorOut[1] = 0.0F;
- colorOut[2] = 0.0F;
- colorOut[3] = 1.0F;
- break;
- case GL_RG:
- colorOut[0] = colorIn[0];
- colorOut[1] = colorIn[1];
- colorOut[2] = 0.0F;
- colorOut[3] = 1.0F;
- break;
- case GL_RGB:
- colorOut[0] = colorIn[0];
- colorOut[1] = colorIn[1];
- colorOut[2] = colorIn[2];
- colorOut[3] = 1.0F;
- break;
- case GL_ALPHA:
- colorOut[0] = colorOut[1] = colorOut[2] = 0.0;
- colorOut[3] = colorIn[3];
- break;
- case GL_LUMINANCE:
- colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
- colorOut[3] = 1.0;
- break;
- case GL_LUMINANCE_ALPHA:
- colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
- colorOut[3] = colorIn[3];
- break;
- case GL_INTENSITY:
- colorOut[0] = colorOut[1] = colorOut[2] = colorOut[3] = colorIn[0];
- break;
- default:
- COPY_4V(colorOut, colorIn);
- }
-}
-
-
-static void
-update_samplers(struct st_context *st)
-{
- struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current;
- struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
- const GLbitfield samplersUsed = (vprog->Base.SamplersUsed |
- fprog->Base.SamplersUsed);
- GLuint su;
-
- st->state.num_samplers = 0;
-
- /* loop over sampler units (aka tex image units) */
- for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) {
- struct pipe_sampler_state *sampler = st->state.samplers + su;
-
- memset(sampler, 0, sizeof(*sampler));
-
- if (samplersUsed & (1 << su)) {
- struct gl_texture_object *texobj;
- struct gl_texture_image *teximg;
- GLuint texUnit;
-
- if (fprog->Base.SamplersUsed & (1 << su))
- texUnit = fprog->Base.SamplerUnits[su];
- else
- texUnit = vprog->Base.SamplerUnits[su];
-
- texobj = st->ctx->Texture.Unit[texUnit]._Current;
- if (!texobj) {
- texobj = st_get_default_texture(st);
- }
-
- teximg = texobj->Image[0][texobj->BaseLevel];
-
- sampler->wrap_s = gl_wrap_xlate(texobj->WrapS);
- sampler->wrap_t = gl_wrap_xlate(texobj->WrapT);
- sampler->wrap_r = gl_wrap_xlate(texobj->WrapR);
-
- sampler->min_img_filter = gl_filter_to_img_filter(texobj->MinFilter);
- sampler->min_mip_filter = gl_filter_to_mip_filter(texobj->MinFilter);
- sampler->mag_img_filter = gl_filter_to_img_filter(texobj->MagFilter);
-
- if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB)
- sampler->normalized_coords = 1;
-
- sampler->lod_bias = st->ctx->Texture.Unit[su].LodBias;
-
- sampler->min_lod = texobj->BaseLevel + texobj->MinLod;
- if (sampler->min_lod < texobj->BaseLevel)
- sampler->min_lod = texobj->BaseLevel;
-
- sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel,
- (texobj->MaxLod + texobj->BaseLevel));
- if (sampler->max_lod < sampler->min_lod) {
- /* The GL spec doesn't seem to specify what to do in this case.
- * Swap the values.
- */
- float tmp = sampler->max_lod;
- sampler->max_lod = sampler->min_lod;
- sampler->min_lod = tmp;
- assert(sampler->min_lod <= sampler->max_lod);
- }
-
- xlate_border_color(texobj->BorderColor.f,
- teximg ? teximg->_BaseFormat : GL_RGBA,
- sampler->border_color);
-
- sampler->max_anisotropy = (texobj->MaxAnisotropy == 1.0 ? 0 : (GLuint)texobj->MaxAnisotropy);
-
- /* only care about ARB_shadow, not SGI shadow */
- if (texobj->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
- sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
- sampler->compare_func
- = st_compare_func_to_pipe(texobj->CompareFunc);
- }
-
- st->state.num_samplers = su + 1;
-
- /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/
- cso_single_sampler(st->cso_context, su, sampler);
- if (su < st->ctx->Const.MaxVertexTextureImageUnits) {
- cso_single_vertex_sampler(st->cso_context, su, sampler);
- }
- }
- else {
- /*printf("%s su=%u null\n", __FUNCTION__, su);*/
- cso_single_sampler(st->cso_context, su, NULL);
- if (su < st->ctx->Const.MaxVertexTextureImageUnits) {
- cso_single_vertex_sampler(st->cso_context, su, NULL);
- }
- }
- }
-
- cso_single_sampler_done(st->cso_context);
- if (st->ctx->Const.MaxVertexTextureImageUnits > 0) {
- cso_single_vertex_sampler_done(st->cso_context);
- }
-}
-
-
-const struct st_tracked_state st_update_sampler = {
- "st_update_sampler", /* name */
- { /* dirty */
- _NEW_TEXTURE, /* mesa */
- 0, /* st */
- },
- update_samplers /* update */
-};
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Brian Paul
+ */
+
+
+#include "main/macros.h"
+
+#include "st_context.h"
+#include "st_cb_texture.h"
+#include "st_format.h"
+#include "st_atom.h"
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+#include "cso_cache/cso_context.h"
+
+
+/**
+ * Convert GLenum texcoord wrap tokens to pipe tokens.
+ */
+static GLuint
+gl_wrap_xlate(GLenum wrap)
+{
+ switch (wrap) {
+ case GL_REPEAT:
+ return PIPE_TEX_WRAP_REPEAT;
+ case GL_CLAMP:
+ return PIPE_TEX_WRAP_CLAMP;
+ case GL_CLAMP_TO_EDGE:
+ return PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ case GL_CLAMP_TO_BORDER:
+ return PIPE_TEX_WRAP_CLAMP_TO_BORDER;
+ case GL_MIRRORED_REPEAT:
+ return PIPE_TEX_WRAP_MIRROR_REPEAT;
+ case GL_MIRROR_CLAMP_EXT:
+ return PIPE_TEX_WRAP_MIRROR_CLAMP;
+ case GL_MIRROR_CLAMP_TO_EDGE_EXT:
+ return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE;
+ case GL_MIRROR_CLAMP_TO_BORDER_EXT:
+ return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+static GLuint
+gl_filter_to_mip_filter(GLenum filter)
+{
+ switch (filter) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ return PIPE_TEX_MIPFILTER_NONE;
+
+ case GL_NEAREST_MIPMAP_NEAREST:
+ case GL_LINEAR_MIPMAP_NEAREST:
+ return PIPE_TEX_MIPFILTER_NEAREST;
+
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ return PIPE_TEX_MIPFILTER_LINEAR;
+
+ default:
+ assert(0);
+ return PIPE_TEX_MIPFILTER_NONE;
+ }
+}
+
+
+static GLuint
+gl_filter_to_img_filter(GLenum filter)
+{
+ switch (filter) {
+ case GL_NEAREST:
+ case GL_NEAREST_MIPMAP_NEAREST:
+ case GL_NEAREST_MIPMAP_LINEAR:
+ return PIPE_TEX_FILTER_NEAREST;
+
+ case GL_LINEAR:
+ case GL_LINEAR_MIPMAP_NEAREST:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ return PIPE_TEX_FILTER_LINEAR;
+
+ default:
+ assert(0);
+ return PIPE_TEX_FILTER_NEAREST;
+ }
+}
+
+
+static void
+update_samplers(struct st_context *st)
+{
+ struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current;
+ struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
+ const GLbitfield samplersUsed = (vprog->Base.SamplersUsed |
+ fprog->Base.SamplersUsed);
+ GLuint su;
+
+ st->state.num_samplers = 0;
+
+ /* loop over sampler units (aka tex image units) */
+ for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) {
+ struct pipe_sampler_state *sampler = st->state.samplers + su;
+
+ memset(sampler, 0, sizeof(*sampler));
+
+ if (samplersUsed & (1 << su)) {
+ struct gl_texture_object *texobj;
+ struct gl_texture_image *teximg;
+ GLuint texUnit;
+
+ if (fprog->Base.SamplersUsed & (1 << su))
+ texUnit = fprog->Base.SamplerUnits[su];
+ else
+ texUnit = vprog->Base.SamplerUnits[su];
+
+ texobj = st->ctx->Texture.Unit[texUnit]._Current;
+ if (!texobj) {
+ texobj = st_get_default_texture(st);
+ }
+
+ teximg = texobj->Image[0][texobj->BaseLevel];
+
+ sampler->wrap_s = gl_wrap_xlate(texobj->WrapS);
+ sampler->wrap_t = gl_wrap_xlate(texobj->WrapT);
+ sampler->wrap_r = gl_wrap_xlate(texobj->WrapR);
+
+ sampler->min_img_filter = gl_filter_to_img_filter(texobj->MinFilter);
+ sampler->min_mip_filter = gl_filter_to_mip_filter(texobj->MinFilter);
+ sampler->mag_img_filter = gl_filter_to_img_filter(texobj->MagFilter);
+
+ if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB)
+ sampler->normalized_coords = 1;
+
+ sampler->lod_bias = st->ctx->Texture.Unit[su].LodBias;
+
+ sampler->min_lod = texobj->BaseLevel + texobj->MinLod;
+ if (sampler->min_lod < texobj->BaseLevel)
+ sampler->min_lod = texobj->BaseLevel;
+
+ sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel,
+ (texobj->MaxLod + texobj->BaseLevel));
+ if (sampler->max_lod < sampler->min_lod) {
+ /* The GL spec doesn't seem to specify what to do in this case.
+ * Swap the values.
+ */
+ float tmp = sampler->max_lod;
+ sampler->max_lod = sampler->min_lod;
+ sampler->min_lod = tmp;
+ assert(sampler->min_lod <= sampler->max_lod);
+ }
+
+ st_translate_color(texobj->BorderColor.f,
+ teximg ? teximg->_BaseFormat : GL_RGBA,
+ sampler->border_color);
+
+ sampler->max_anisotropy = (texobj->MaxAnisotropy == 1.0 ? 0 : (GLuint)texobj->MaxAnisotropy);
+
+ /* only care about ARB_shadow, not SGI shadow */
+ if (texobj->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
+ sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
+ sampler->compare_func
+ = st_compare_func_to_pipe(texobj->CompareFunc);
+ }
+
+ st->state.num_samplers = su + 1;
+
+ /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/
+ cso_single_sampler(st->cso_context, su, sampler);
+ if (su < st->ctx->Const.MaxVertexTextureImageUnits) {
+ cso_single_vertex_sampler(st->cso_context, su, sampler);
+ }
+ }
+ else {
+ /*printf("%s su=%u null\n", __FUNCTION__, su);*/
+ cso_single_sampler(st->cso_context, su, NULL);
+ if (su < st->ctx->Const.MaxVertexTextureImageUnits) {
+ cso_single_vertex_sampler(st->cso_context, su, NULL);
+ }
+ }
+ }
+
+ cso_single_sampler_done(st->cso_context);
+ if (st->ctx->Const.MaxVertexTextureImageUnits > 0) {
+ cso_single_vertex_sampler_done(st->cso_context);
+ }
+}
+
+
+const struct st_tracked_state st_update_sampler = {
+ "st_update_sampler", /* name */
+ { /* dirty */
+ _NEW_TEXTURE, /* mesa */
+ 0, /* st */
+ },
+ update_samplers /* update */
+};
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index d2e0cd73c..0e0c4326e 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -42,6 +42,7 @@
#include "st_cb_accum.h"
#include "st_cb_clear.h"
#include "st_cb_fbo.h"
+#include "st_format.h"
#include "st_program.h"
#include "pipe/p_context.h"
@@ -204,6 +205,7 @@ clear_with_quad(struct gl_context *ctx,
const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax / fb_width * 2.0f - 1.0f;
const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin / fb_height * 2.0f - 1.0f;
const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax / fb_height * 2.0f - 1.0f;
+ float clearColor[4];
/*
printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__,
@@ -298,9 +300,14 @@ clear_with_quad(struct gl_context *ctx,
cso_set_fragment_shader_handle(st->cso_context, st->clear.fs);
cso_set_vertex_shader_handle(st->cso_context, st->clear.vs);
- /* draw quad matching scissor rect (XXX verify coord round-off) */
- draw_quad(st, x0, y0, x1, y1,
- (GLfloat) ctx->Depth.Clear, ctx->Color.ClearColor);
+ if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
+ st_translate_color(ctx->Color.ClearColor,
+ ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
+ clearColor);
+ }
+
+ /* draw quad matching scissor rect */
+ draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, clearColor);
/* Restore pipe state */
cso_restore_blend(st->cso_context);
@@ -541,12 +548,21 @@ st_Clear(struct gl_context *ctx, GLbitfield mask)
* required from the visual. Hence fix this up to avoid potential
* read-modify-write in the driver.
*/
+ float clearColor[4];
+
if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) &&
((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
(depthRb == stencilRb) &&
(ctx->DrawBuffer->Visual.depthBits == 0 ||
ctx->DrawBuffer->Visual.stencilBits == 0))
clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
+
+ if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
+ st_translate_color(ctx->Color.ClearColor,
+ ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
+ clearColor);
+ }
+
st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor,
ctx->Depth.Clear, ctx->Stencil.Clear);
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index c0d1bd94a..a40a79bb8 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -1,1878 +1,1918 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include "main/mfeatures.h"
-#include "main/bufferobj.h"
-#include "main/enums.h"
-#include "main/fbobject.h"
-#include "main/formats.h"
-#include "main/image.h"
-#include "main/imports.h"
-#include "main/macros.h"
-#include "main/mipmap.h"
-#include "main/pack.h"
-#include "main/pixeltransfer.h"
-#include "main/texcompress.h"
-#include "main/texfetch.h"
-#include "main/texgetimage.h"
-#include "main/teximage.h"
-#include "main/texobj.h"
-#include "main/texstore.h"
-
-#include "state_tracker/st_debug.h"
-#include "state_tracker/st_context.h"
-#include "state_tracker/st_cb_fbo.h"
-#include "state_tracker/st_cb_flush.h"
-#include "state_tracker/st_cb_texture.h"
-#include "state_tracker/st_format.h"
-#include "state_tracker/st_texture.h"
-#include "state_tracker/st_gen_mipmap.h"
-#include "state_tracker/st_atom.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "pipe/p_shader_tokens.h"
-#include "util/u_tile.h"
-#include "util/u_blit.h"
-#include "util/u_format.h"
-#include "util/u_surface.h"
-#include "util/u_sampler.h"
-#include "util/u_math.h"
-#include "util/u_box.h"
-
-#define DBG if (0) printf
-
-
-static enum pipe_texture_target
-gl_target_to_pipe(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- return PIPE_TEXTURE_1D;
- case GL_TEXTURE_2D:
- return PIPE_TEXTURE_2D;
- case GL_TEXTURE_RECTANGLE_NV:
- return PIPE_TEXTURE_RECT;
- case GL_TEXTURE_3D:
- return PIPE_TEXTURE_3D;
- case GL_TEXTURE_CUBE_MAP_ARB:
- return PIPE_TEXTURE_CUBE;
- case GL_TEXTURE_1D_ARRAY_EXT:
- return PIPE_TEXTURE_1D_ARRAY;
- case GL_TEXTURE_2D_ARRAY_EXT:
- return PIPE_TEXTURE_2D_ARRAY;
- default:
- assert(0);
- return 0;
- }
-}
-
-
-/** called via ctx->Driver.NewTextureImage() */
-static struct gl_texture_image *
-st_NewTextureImage(struct gl_context * ctx)
-{
- DBG("%s\n", __FUNCTION__);
- (void) ctx;
- return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image);
-}
-
-
-/** called via ctx->Driver.NewTextureObject() */
-static struct gl_texture_object *
-st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
-{
- struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
-
- DBG("%s\n", __FUNCTION__);
- _mesa_initialize_texture_object(&obj->base, name, target);
-
- return &obj->base;
-}
-
-/** called via ctx->Driver.DeleteTextureObject() */
-static void
-st_DeleteTextureObject(struct gl_context *ctx,
- struct gl_texture_object *texObj)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_object *stObj = st_texture_object(texObj);
- if (stObj->pt)
- pipe_resource_reference(&stObj->pt, NULL);
- if (stObj->sampler_view) {
- if (stObj->sampler_view->context != st->pipe) {
- /* Take "ownership" of this texture sampler view by setting
- * its context pointer to this context. This avoids potential
- * crashes when the texture object is shared among contexts
- * and the original/owner context has already been destroyed.
- */
- stObj->sampler_view->context = st->pipe;
- }
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- }
- _mesa_delete_texture_object(ctx, texObj);
-}
-
-
-/** called via ctx->Driver.FreeTexImageData() */
-static void
-st_FreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage)
-{
- struct st_texture_image *stImage = st_texture_image(texImage);
-
- DBG("%s\n", __FUNCTION__);
-
- if (stImage->pt) {
- pipe_resource_reference(&stImage->pt, NULL);
- }
-
- if (texImage->Data) {
- _mesa_align_free(texImage->Data);
- texImage->Data = NULL;
- }
-}
-
-
-/**
- * From linux kernel i386 header files, copes with odd sizes better
- * than COPY_DWORDS would:
- * XXX Put this in src/mesa/main/imports.h ???
- */
-#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86)
-static INLINE void *
-__memcpy(void *to, const void *from, size_t n)
-{
- int d0, d1, d2;
- __asm__ __volatile__("rep ; movsl\n\t"
- "testb $2,%b4\n\t"
- "je 1f\n\t"
- "movsw\n"
- "1:\ttestb $1,%b4\n\t"
- "je 2f\n\t"
- "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
- :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
- :"memory");
- return (to);
-}
-#else
-#define __memcpy(a,b,c) memcpy(a,b,c)
-#endif
-
-
-/**
- * The system memcpy (at least on ubuntu 5.10) has problems copying
- * to agp (writecombined) memory from a source which isn't 64-byte
- * aligned - there is a 4x performance falloff.
- *
- * The x86 __memcpy is immune to this but is slightly slower
- * (10%-ish) than the system memcpy.
- *
- * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
- * isn't much faster than x86_memcpy for agp copies.
- *
- * TODO: switch dynamically.
- */
-static void *
-do_memcpy(void *dest, const void *src, size_t n)
-{
- if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) {
- return __memcpy(dest, src, n);
- }
- else
- return memcpy(dest, src, n);
-}
-
-
-/**
- * Return default texture resource binding bitmask for the given format.
- */
-static GLuint
-default_bindings(struct st_context *st, enum pipe_format format)
-{
- struct pipe_screen *screen = st->pipe->screen;
- const unsigned target = PIPE_TEXTURE_2D;
- const unsigned geom = 0x0;
- unsigned bindings;
-
- if (util_format_is_depth_or_stencil(format))
- bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
- else
- bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
-
- if (screen->is_format_supported(screen, format, target, 0, bindings, geom))
- return bindings;
- else
- return PIPE_BIND_SAMPLER_VIEW;
-}
-
-
-/** Return number of image dimensions (1, 2 or 3) for a texture target. */
-static GLuint
-get_texture_dims(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_1D_ARRAY_EXT:
- return 1;
- case GL_TEXTURE_2D:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_TEXTURE_2D_ARRAY_EXT:
- return 2;
- case GL_TEXTURE_3D:
- return 3;
- default:
- assert(0 && "invalid texture target in get_texture_dims()");
- return 1;
- }
-}
-
-
-/**
- * Try to allocate a pipe_resource object for the given st_texture_object.
- *
- * We use the given st_texture_image as a clue to determine the size of the
- * mipmap image at level=0.
- *
- * \return GL_TRUE for success, GL_FALSE if out of memory.
- */
-static GLboolean
-guess_and_alloc_texture(struct st_context *st,
- struct st_texture_object *stObj,
- const struct st_texture_image *stImage)
-{
- const GLuint dims = get_texture_dims(stObj->base.Target);
- GLuint level, lastLevel, width, height, depth;
- GLuint bindings;
- GLuint ptWidth, ptHeight, ptDepth, ptLayers;
- enum pipe_format fmt;
-
- DBG("%s\n", __FUNCTION__);
-
- assert(!stObj->pt);
-
- level = stImage->level;
- width = stImage->base.Width2; /* size w/out border */
- height = stImage->base.Height2;
- depth = stImage->base.Depth2;
-
- assert(width > 0);
- assert(height > 0);
- assert(depth > 0);
-
- /* Depending on the image's size, we can't always make a guess here.
- */
- if (level > 0) {
- if ( (dims >= 1 && width == 1) ||
- (dims >= 2 && height == 1) ||
- (dims >= 3 && depth == 1) ) {
- /* we can't determine the image size at level=0 */
- stObj->width0 = stObj->height0 = stObj->depth0 = 0;
- /* this is not an out of memory error */
- return GL_TRUE;
- }
- }
-
- /* grow the image size until we hit level = 0 */
- while (level > 0) {
- if (width != 1)
- width <<= 1;
- if (height != 1)
- height <<= 1;
- if (depth != 1)
- depth <<= 1;
- level--;
- }
-
- assert(level == 0);
-
- /* At this point, (width x height x depth) is the expected size of
- * the level=0 mipmap image.
- */
-
- /* Guess a reasonable value for lastLevel. With OpenGL we have no
- * idea how many mipmap levels will be in a texture until we start
- * to render with it. Make an educated guess here but be prepared
- * to re-allocating a texture buffer with space for more (or fewer)
- * mipmap levels later.
- */
- if ((stObj->base.MinFilter == GL_NEAREST ||
- stObj->base.MinFilter == GL_LINEAR ||
- stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
- stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) &&
- !stObj->base.GenerateMipmap &&
- stImage->level == 0) {
- /* only alloc space for a single mipmap level */
- lastLevel = 0;
- }
- else {
- /* alloc space for a full mipmap */
- GLuint l2width = util_logbase2(width);
- GLuint l2height = util_logbase2(height);
- GLuint l2depth = util_logbase2(depth);
- lastLevel = MAX2(MAX2(l2width, l2height), l2depth);
- }
-
- /* Save the level=0 dimensions */
- stObj->width0 = width;
- stObj->height0 = height;
- stObj->depth0 = depth;
-
- fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat);
-
- bindings = default_bindings(st, fmt);
-
- st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
- width, height, depth,
- &ptWidth, &ptHeight, &ptDepth, &ptLayers);
-
- stObj->pt = st_texture_create(st,
- gl_target_to_pipe(stObj->base.Target),
- fmt,
- lastLevel,
- ptWidth,
- ptHeight,
- ptDepth,
- ptLayers,
- bindings);
-
- DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL));
-
- return stObj->pt != NULL;
-}
-
-
-/**
- * Adjust pixel unpack params and image dimensions to strip off the
- * texture border.
- * Gallium doesn't support texture borders. They've seldem been used
- * and seldom been implemented correctly anyway.
- * \param unpackNew returns the new pixel unpack parameters
- */
-static void
-strip_texture_border(GLint border,
- GLint *width, GLint *height, GLint *depth,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_pixelstore_attrib *unpackNew)
-{
- assert(border > 0); /* sanity check */
-
- *unpackNew = *unpack;
-
- if (unpackNew->RowLength == 0)
- unpackNew->RowLength = *width;
-
- if (depth && unpackNew->ImageHeight == 0)
- unpackNew->ImageHeight = *height;
-
- unpackNew->SkipPixels += border;
- if (height)
- unpackNew->SkipRows += border;
- if (depth)
- unpackNew->SkipImages += border;
-
- assert(*width >= 3);
- *width = *width - 2 * border;
- if (height && *height >= 3)
- *height = *height - 2 * border;
- if (depth && *depth >= 3)
- *depth = *depth - 2 * border;
-}
-
-
-/**
- * Do glTexImage1/2/3D().
- */
-static void
-st_TexImage(struct gl_context * ctx,
- GLint dims,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLsizei imageSize, GLboolean compressed_src)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_object *stObj = st_texture_object(texObj);
- struct st_texture_image *stImage = st_texture_image(texImage);
- GLuint dstRowStride = 0;
- struct gl_pixelstore_attrib unpackNB;
- enum pipe_transfer_usage transfer_usage = 0;
-
- DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
-
- /* switch to "normal" */
- if (stObj->surface_based) {
- gl_format texFormat;
-
- _mesa_clear_texture_object(ctx, texObj);
- pipe_resource_reference(&stObj->pt, NULL);
-
- /* oops, need to init this image again */
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, format, type);
-
- _mesa_init_teximage_fields(ctx, target, texImage,
- width, height, depth, border,
- internalFormat, texFormat);
-
- stObj->surface_based = GL_FALSE;
- }
-
- /* gallium does not support texture borders, strip it off */
- if (border) {
- strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB);
- unpack = &unpackNB;
- texImage->Width = width;
- texImage->Height = height;
- texImage->Depth = depth;
- texImage->Border = 0;
- border = 0;
- }
- else {
- assert(texImage->Width == width);
- assert(texImage->Height == height);
- assert(texImage->Depth == depth);
- }
-
- stImage->face = _mesa_tex_target_to_face(target);
- stImage->level = level;
-
- _mesa_set_fetch_functions(texImage, dims);
-
- /* Release the reference to a potentially orphaned buffer.
- * Release any old malloced memory.
- */
- if (stImage->pt) {
- pipe_resource_reference(&stImage->pt, NULL);
- assert(!texImage->Data);
- }
- else if (texImage->Data) {
- _mesa_align_free(texImage->Data);
- }
-
- /*
- * See if the new image is somehow incompatible with the existing
- * mipmap. If so, free the old mipmap.
- */
- if (stObj->pt) {
- if (level > (GLint) stObj->pt->last_level ||
- !st_texture_match_image(stObj->pt, &stImage->base,
- stImage->face, stImage->level)) {
- DBG("release it\n");
- pipe_resource_reference(&stObj->pt, NULL);
- assert(!stObj->pt);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- }
- }
-
- if (width == 0 || height == 0 || depth == 0) {
- /* stop after freeing old image */
- return;
- }
-
- if (!stObj->pt) {
- if (!guess_and_alloc_texture(st, stObj, stImage)) {
- /* Probably out of memory.
- * Try flushing any pending rendering, then retry.
- */
- st_finish(st);
- if (!guess_and_alloc_texture(st, stObj, stImage)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
- }
- }
- }
-
- assert(!stImage->pt);
-
- /* Check if this texture image can live inside the texture object's buffer.
- * If so, store the image there. Otherwise the image will temporarily live
- * in its own buffer.
- */
- if (stObj->pt &&
- st_texture_match_image(stObj->pt, &stImage->base,
- stImage->face, stImage->level)) {
-
- pipe_resource_reference(&stImage->pt, stObj->pt);
- assert(stImage->pt);
- }
-
- if (!stImage->pt)
- DBG("XXX: Image did not fit into texture - storing in local memory!\n");
-
- /* Pixel data may come from regular user memory or a PBO. For the later,
- * do bounds checking and map the PBO to read pixels data from it.
- *
- * XXX we should try to use a GPU-accelerated path to copy the image data
- * from the PBO to the texture.
- */
- if (compressed_src) {
- pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
- unpack,
- "glCompressedTexImage");
- }
- else {
- pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
- format, type,
- pixels, unpack, "glTexImage");
- }
-
- /*
- * Prepare to store the texture data. Either map the gallium texture buffer
- * memory or malloc space for it.
- */
- if (stImage->pt) {
- /* Store the image in the gallium texture memory buffer */
- if (format == GL_DEPTH_COMPONENT &&
- util_format_is_depth_and_stencil(stImage->pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- texImage->Data = st_texture_image_map(st, stImage, 0,
- transfer_usage, 0, 0, width, height);
- if(stImage->transfer)
- dstRowStride = stImage->transfer->stride;
- }
- else {
- /* Allocate regular memory and store the image there temporarily. */
- GLuint imageSize = _mesa_format_image_size(texImage->TexFormat,
- width, height, depth);
- dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
-
- texImage->Data = _mesa_align_malloc(imageSize, 16);
- }
-
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
- }
-
- if (!pixels) {
- /* We've allocated texture memory, but have no pixel data - all done. */
- goto done;
- }
-
- DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
- width, height, depth, width, dstRowStride);
-
- /* Copy user texture image into the texture buffer.
- */
- if (compressed_src) {
- const GLuint srcRowStride =
- _mesa_format_row_stride(texImage->TexFormat, width);
- if (dstRowStride == srcRowStride) {
- memcpy(texImage->Data, pixels, imageSize);
- }
- else {
- char *dst = texImage->Data;
- const char *src = pixels;
- GLuint i, bw, bh, lines;
- _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
- lines = (height + bh - 1) / bh;
-
- for (i = 0; i < lines; ++i) {
- memcpy(dst, src, srcRowStride);
- dst += dstRowStride;
- src += srcRowStride;
- }
- }
- }
- else {
- const GLuint srcImageStride =
- _mesa_image_image_stride(unpack, width, height, format, type);
- GLint i;
- const GLubyte *src = (const GLubyte *) pixels;
-
- for (i = 0; i < depth; i++) {
- if (!_mesa_texstore(ctx, dims,
- texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- 0, 0, 0, /* dstX/Y/Zoffset */
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- format, type, src, unpack)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- }
-
- if (stImage->pt && i + 1 < depth) {
- /* unmap this slice */
- st_texture_image_unmap(st, stImage);
- /* map next slice of 3D texture */
- texImage->Data = st_texture_image_map(st, stImage, i + 1,
- transfer_usage, 0, 0,
- width, height);
- src += srcImageStride;
- }
- }
- }
-
-done:
- _mesa_unmap_teximage_pbo(ctx, unpack);
-
- if (stImage->pt && texImage->Data) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-static void
-st_TexImage3D(struct gl_context * ctx,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth,
- border, format, type, pixels, unpack, texObj, texImage,
- 0, GL_FALSE);
-}
-
-
-static void
-st_TexImage2D(struct gl_context * ctx,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
- format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
-}
-
-
-static void
-st_TexImage1D(struct gl_context * ctx,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border,
- format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
-}
-
-
-static void
-st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
- 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE);
-}
-
-
-
-/**
- * glGetTexImage() helper: decompress a compressed texture by rendering
- * a textured quad. Store the results in the user's buffer.
- */
-static void
-decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid *pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct st_texture_image *stImage = st_texture_image(texImage);
- struct st_texture_object *stObj = st_texture_object(texObj);
- struct pipe_sampler_view *src_view =
- st_get_texture_sampler_view(stObj, pipe);
- const GLuint width = texImage->Width;
- const GLuint height = texImage->Height;
- struct pipe_surface *dst_surface;
- struct pipe_resource *dst_texture;
- struct pipe_transfer *tex_xfer;
- unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */
- PIPE_BIND_TRANSFER_READ);
-
- /* create temp / dest surface */
- if (!util_create_rgba_surface(pipe, width, height, bind,
- &dst_texture, &dst_surface)) {
- _mesa_problem(ctx, "util_create_rgba_surface() failed "
- "in decompress_with_blit()");
- return;
- }
-
- /* blit/render/decompress */
- util_blit_pixels_tex(st->blit,
- src_view, /* pipe_resource (src) */
- 0, 0, /* src x0, y0 */
- width, height, /* src x1, y1 */
- dst_surface, /* pipe_surface (dst) */
- 0, 0, /* dst x0, y0 */
- width, height, /* dst x1, y1 */
- 0.0, /* z */
- PIPE_TEX_MIPFILTER_NEAREST);
-
- /* map the dst_surface so we can read from it */
- tex_xfer = pipe_get_transfer(st_context(ctx)->pipe,
- dst_texture, 0, 0,
- PIPE_TRANSFER_READ,
- 0, 0, width, height);
-
- pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
-
- /* copy/pack data into user buffer */
- if (st_equal_formats(stImage->pt->format, format, type)) {
- /* memcpy */
- const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
- ubyte *map = pipe_transfer_map(pipe, tex_xfer);
- GLuint row;
- for (row = 0; row < height; row++) {
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
- memcpy(dest, map, bytesPerRow);
- map += tex_xfer->stride;
- }
- pipe_transfer_unmap(pipe, tex_xfer);
- }
- else {
- /* format translation via floats */
- GLuint row;
- enum pipe_format format = util_format_linear(dst_texture->format);
- for (row = 0; row < height; row++) {
- const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
- GLfloat rgba[4 * MAX_WIDTH];
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback format translation\n", __FUNCTION__);
-
- /* get float[4] rgba row from surface */
- pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
- format, rgba);
-
- _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
- type, dest, &ctx->Pack, transferOps);
- }
- }
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-
- pipe->transfer_destroy(pipe, tex_xfer);
-
- /* destroy the temp / dest surface */
- util_destroy_rgba_surface(dst_texture, dst_surface);
-}
-
-
-
-/**
- * Need to map texture image into memory before copying image data,
- * then unmap it.
- */
-static void
-st_get_tex_image(struct gl_context * ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid * pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage, GLboolean compressed_dst)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_image *stImage = st_texture_image(texImage);
- const GLuint dstImageStride =
- _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height,
- format, type);
- GLuint depth, i;
- GLubyte *dest;
-
- if (stImage->pt &&
- util_format_is_s3tc(stImage->pt->format) &&
- !compressed_dst) {
- /* Need to decompress the texture.
- * We'll do this by rendering a textured quad.
- * Note that we only expect RGBA formats (no Z/depth formats).
- */
- decompress_with_blit(ctx, target, level, format, type, pixels,
- texObj, texImage);
- return;
- }
-
- /* Map */
- if (stImage->pt) {
- /* Image is stored in hardware format in a buffer managed by the
- * kernel. Need to explicitly map and unmap it.
- */
- texImage->Data = st_texture_image_map(st, stImage, 0,
- PIPE_TRANSFER_READ, 0, 0,
- stImage->base.Width,
- stImage->base.Height);
- /* compute stride in texels from stride in bytes */
- texImage->RowStride = stImage->transfer->stride
- * util_format_get_blockwidth(stImage->pt->format)
- / util_format_get_blocksize(stImage->pt->format);
- }
- else {
- /* Otherwise, the image should actually be stored in
- * texImage->Data. This is pretty confusing for
- * everybody, I'd much prefer to separate the two functions of
- * texImage->Data - storage for texture images in main memory
- * and access (ie mappings) of images. In other words, we'd
- * create a new texImage->Map field and leave Data simply for
- * storage.
- */
- assert(texImage->Data);
- }
-
- depth = texImage->Depth;
- texImage->Depth = 1;
-
- dest = (GLubyte *) pixels;
-
- _mesa_set_fetch_functions(texImage, get_texture_dims(target));
-
- for (i = 0; i < depth; i++) {
- if (compressed_dst) {
- _mesa_get_compressed_teximage(ctx, target, level, dest,
- texObj, texImage);
- }
- else {
- _mesa_get_teximage(ctx, target, level, format, type, dest,
- texObj, texImage);
- }
-
- if (stImage->pt && i + 1 < depth) {
- /* unmap this slice */
- st_texture_image_unmap(st, stImage);
- /* map next slice of 3D texture */
- texImage->Data = st_texture_image_map(st, stImage, i + 1,
- PIPE_TRANSFER_READ, 0, 0,
- stImage->base.Width,
- stImage->base.Height);
- dest += dstImageStride;
- }
- }
-
- texImage->Depth = depth;
-
- /* Unmap */
- if (stImage->pt) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-static void
-st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid * pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage,
- GL_FALSE);
-}
-
-
-static void
-st_GetCompressedTexImage(struct gl_context *ctx, GLenum target, GLint level,
- GLvoid *pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage,
- GL_TRUE);
-}
-
-
-
-static void
-st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint width, GLint height, GLint depth,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_image *stImage = st_texture_image(texImage);
- GLuint dstRowStride;
- const GLuint srcImageStride =
- _mesa_image_image_stride(packing, width, height, format, type);
- GLint i;
- const GLubyte *src;
- /* init to silence warning only: */
- enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
-
- DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target),
- level, xoffset, yoffset, width, height);
-
- pixels =
- _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
- type, pixels, packing, "glTexSubImage2D");
- if (!pixels)
- return;
-
- /* Map buffer if necessary. Need to lock to prevent other contexts
- * from uploading the buffer under us.
- */
- if (stImage->pt) {
- if (format == GL_DEPTH_COMPONENT &&
- util_format_is_depth_and_stencil(stImage->pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- texImage->Data = st_texture_image_map(st, stImage, zoffset,
- transfer_usage,
- xoffset, yoffset,
- width, height);
- }
-
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- goto done;
- }
-
- src = (const GLubyte *) pixels;
- dstRowStride = stImage->transfer->stride;
-
- for (i = 0; i < depth; i++) {
- if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- 0, 0, 0,
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- format, type, src, packing)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- }
-
- if (stImage->pt && i + 1 < depth) {
- /* unmap this slice */
- st_texture_image_unmap(st, stImage);
- /* map next slice of 3D texture */
- texImage->Data = st_texture_image_map(st, stImage,
- zoffset + i + 1,
- transfer_usage,
- xoffset, yoffset,
- width, height);
- src += srcImageStride;
- }
- }
-
-done:
- _mesa_unmap_teximage_pbo(ctx, packing);
-
- if (stImage->pt && texImage->Data) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-
-static void
-st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
- width, height, depth, format, type,
- pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type, const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0,
- width, height, 1, format, type,
- pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width, GLenum format, GLenum type,
- const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1,
- format, type, pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- assert(0);
-}
-
-
-static void
-st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLint height,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_image *stImage = st_texture_image(texImage);
- int srcBlockStride;
- int dstBlockStride;
- int y;
- enum pipe_format pformat;
-
- if (stImage->pt) {
- pformat = stImage->pt->format;
-
- texImage->Data = st_texture_image_map(st, stImage, 0,
- PIPE_TRANSFER_WRITE,
- xoffset, yoffset,
- width, height);
-
- srcBlockStride = util_format_get_stride(pformat, width);
- dstBlockStride = stImage->transfer->stride;
- } else {
- assert(stImage->pt);
- /* TODO find good values for block and strides */
- /* TODO also adjust texImage->data for yoffset/xoffset */
- return;
- }
-
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
- return;
- }
-
- assert(xoffset % util_format_get_blockwidth(pformat) == 0);
- assert(yoffset % util_format_get_blockheight(pformat) == 0);
-
- for (y = 0; y < height; y += util_format_get_blockheight(pformat)) {
- /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
- const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y);
- char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y);
- memcpy(dst, src, util_format_get_stride(pformat, width));
- }
-
- if (stImage->pt) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-static void
-st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLint height, GLint depth,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- assert(0);
-}
-
-
-
-/**
- * Do a CopyTexSubImage operation using a read transfer from the source,
- * a write transfer to the destination and get_tile()/put_tile() to access
- * the pixels/texels.
- *
- * Note: srcY=0=TOP of renderbuffer
- */
-static void
-fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
- struct st_renderbuffer *strb,
- struct st_texture_image *stImage,
- GLenum baseFormat,
- GLint destX, GLint destY, GLint destZ,
- GLint srcX, GLint srcY,
- GLsizei width, GLsizei height)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_transfer *src_trans;
- GLvoid *texDest;
- enum pipe_transfer_usage transfer_usage;
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback processing\n", __FUNCTION__);
-
- assert(width <= MAX_WIDTH);
-
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- srcY = strb->Base.Height - srcY - height;
- }
-
- src_trans = pipe_get_transfer(st_context(ctx)->pipe,
- strb->texture,
- 0, 0,
- PIPE_TRANSFER_READ,
- srcX, srcY,
- width, height);
-
- if ((baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL) &&
- util_format_is_depth_and_stencil(stImage->pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- /* XXX this used to ignore destZ param */
- texDest = st_texture_image_map(st, stImage, destZ, transfer_usage,
- destX, destY, width, height);
-
- if (baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL) {
- const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F ||
- ctx->Pixel.DepthBias != 0.0F);
- GLint row, yStep;
-
- /* determine bottom-to-top vs. top-to-bottom order for src buffer */
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- srcY = height - 1;
- yStep = -1;
- }
- else {
- srcY = 0;
- yStep = 1;
- }
-
- /* To avoid a large temp memory allocation, do copy row by row */
- for (row = 0; row < height; row++, srcY += yStep) {
- uint data[MAX_WIDTH];
- pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
- if (scaleOrBias) {
- _mesa_scale_and_bias_depth_uint(ctx, width, data);
- }
- pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
- }
- }
- else {
- /* RGBA format */
- GLfloat *tempSrc =
- (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
-
- if (tempSrc && texDest) {
- const GLint dims = 2;
- const GLint dstRowStride = stImage->transfer->stride;
- struct gl_texture_image *texImage = &stImage->base;
- struct gl_pixelstore_attrib unpack = ctx->DefaultPacking;
-
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- unpack.Invert = GL_TRUE;
- }
-
- /* get float/RGBA image from framebuffer */
- /* XXX this usually involves a lot of int/float conversion.
- * try to avoid that someday.
- */
- pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height,
- util_format_linear(strb->texture->format),
- tempSrc);
-
- /* Store into texture memory.
- * Note that this does some special things such as pixel transfer
- * ops and format conversion. In particular, if the dest tex format
- * is actually RGBA but the user created the texture as GL_RGB we
- * need to fill-in/override the alpha channel with 1.0.
- */
- _mesa_texstore(ctx, dims,
- texImage->_BaseFormat,
- texImage->TexFormat,
- texDest,
- 0, 0, 0,
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- GL_RGBA, GL_FLOAT, tempSrc, /* src */
- &unpack);
- }
- else {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- }
-
- if (tempSrc)
- free(tempSrc);
- }
-
- st_texture_image_unmap(st, stImage);
- pipe->transfer_destroy(pipe, src_trans);
-}
-
-
-
-/**
- * If the format of the src renderbuffer and the format of the dest
- * texture are compatible (in terms of blitting), return a TGSI writemask
- * to be used during the blit.
- * If the src/dest are incompatible, return 0.
- */
-static unsigned
-compatible_src_dst_formats(struct gl_context *ctx,
- const struct gl_renderbuffer *src,
- const struct gl_texture_image *dst)
-{
- /* Get logical base formats for the src and dest.
- * That is, use the user-requested formats and not the actual, device-
- * chosen formats.
- * For example, the user may have requested an A8 texture but the
- * driver may actually be using an RGBA texture format. When we
- * copy/blit to that texture, we only want to copy the Alpha channel
- * and not the RGB channels.
- *
- * Similarly, when the src FBO was created an RGB format may have been
- * requested but the driver actually chose an RGBA format. In that case,
- * we don't want to copy the undefined Alpha channel to the dest texture
- * (it should be 1.0).
- */
- const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
- const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
-
- /**
- * XXX when we have red-only and red/green renderbuffers we'll need
- * to add more cases here (or implement a general-purpose routine that
- * queries the existance of the R,G,B,A channels in the src and dest).
- */
- if (srcFormat == dstFormat) {
- /* This is the same as matching_base_formats, which should
- * always pass, as it did previously.
- */
- return TGSI_WRITEMASK_XYZW;
- }
- else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
- /* Make sure that A in the dest is 1. The actual src format
- * may be RGBA and have undefined A values.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
- /* Make sure that A in the dest is 1. The actual dst format
- * may be RGBA and will need A=1 to provide proper alpha values
- * when sampled later.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else {
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s failed for src %s, dst %s\n",
- __FUNCTION__,
- _mesa_lookup_enum_by_nr(srcFormat),
- _mesa_lookup_enum_by_nr(dstFormat));
-
- /* Otherwise fail.
- */
- return 0;
- }
-}
-
-
-
-/**
- * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
- * Note that the region to copy has already been clipped so we know we
- * won't read from outside the source renderbuffer's bounds.
- *
- * Note: srcY=0=Bottom of renderbuffer (GL convention)
- */
-static void
-st_copy_texsubimage(struct gl_context *ctx,
- GLenum target, GLint level,
- GLint destX, GLint destY, GLint destZ,
- GLint srcX, GLint srcY,
- GLsizei width, GLsizei height)
-{
- struct gl_texture_unit *texUnit =
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_object *texObj =
- _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
- struct st_texture_image *stImage = st_texture_image(texImage);
- const GLenum texBaseFormat = texImage->_BaseFormat;
- struct gl_framebuffer *fb = ctx->ReadBuffer;
- struct st_renderbuffer *strb;
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = pipe->screen;
- enum pipe_format dest_format, src_format;
- GLboolean use_fallback = GL_TRUE;
- GLboolean matching_base_formats;
- GLuint format_writemask, sample_count;
- struct pipe_surface *dest_surface = NULL;
- GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
-
- /* make sure finalize_textures has been called?
- */
- if (0) st_validate_state(st);
-
- /* determine if copying depth or color data */
- if (texBaseFormat == GL_DEPTH_COMPONENT ||
- texBaseFormat == GL_DEPTH_STENCIL) {
- strb = st_renderbuffer(fb->_DepthBuffer);
- if (strb->Base.Wrapped) {
- strb = st_renderbuffer(strb->Base.Wrapped);
- }
- }
- else {
- /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
- strb = st_renderbuffer(fb->_ColorReadBuffer);
- }
-
- if (!strb || !strb->surface || !stImage->pt) {
- debug_printf("%s: null strb or stImage\n", __FUNCTION__);
- return;
- }
-
- sample_count = strb->surface->texture->nr_samples;
- /* I believe this would be legal, presumably would need to do a resolve
- for color, and for depth/stencil spec says to just use one of the
- depth/stencil samples per pixel? Need some transfer clarifications. */
- assert(sample_count < 2);
-
- if (srcX < 0) {
- width -= -srcX;
- destX += -srcX;
- srcX = 0;
- }
-
- if (srcY < 0) {
- height -= -srcY;
- destY += -srcY;
- srcY = 0;
- }
-
- if (destX < 0) {
- width -= -destX;
- srcX += -destX;
- destX = 0;
- }
-
- if (destY < 0) {
- height -= -destY;
- srcY += -destY;
- destY = 0;
- }
-
- if (width < 0 || height < 0)
- return;
-
-
- assert(strb);
- assert(strb->surface);
- assert(stImage->pt);
-
- src_format = strb->surface->format;
- dest_format = stImage->pt->format;
-
- /*
- * Determine if the src framebuffer and dest texture have the same
- * base format. We need this to detect a case such as the framebuffer
- * being GL_RGBA but the texture being GL_RGB. If the actual hardware
- * texture format stores RGBA we need to set A=1 (overriding the
- * framebuffer's alpha values). We can't do that with the blit or
- * textured-quad paths.
- */
- matching_base_formats =
- (_mesa_get_format_base_format(strb->Base.Format) ==
- _mesa_get_format_base_format(texImage->TexFormat));
- format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
-
- if (ctx->_ImageTransferState == 0x0) {
-
- if (matching_base_formats &&
- src_format == dest_format &&
- !do_flip)
- {
- /* use surface_copy() / blit */
- struct pipe_box src_box;
- u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
- width, height, &src_box);
-
- /* for resource_copy_region(), y=0=top, always */
- pipe->resource_copy_region(pipe,
- /* dest */
- stImage->pt,
- stImage->level,
- destX, destY, destZ + stImage->face,
- /* src */
- strb->texture,
- strb->surface->u.tex.level,
- &src_box);
- use_fallback = GL_FALSE;
- }
- else if (format_writemask &&
- texBaseFormat != GL_DEPTH_COMPONENT &&
- texBaseFormat != GL_DEPTH_STENCIL &&
- screen->is_format_supported(screen, src_format,
- PIPE_TEXTURE_2D, sample_count,
- PIPE_BIND_SAMPLER_VIEW,
- 0) &&
- screen->is_format_supported(screen, dest_format,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_RENDER_TARGET,
- 0)) {
- /* draw textured quad to do the copy */
- GLint srcY0, srcY1;
- struct pipe_surface surf_tmpl;
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = stImage->pt->format;
- surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
- surf_tmpl.u.tex.level = stImage->level;
- surf_tmpl.u.tex.first_layer = stImage->face + destZ;
- surf_tmpl.u.tex.last_layer = stImage->face + destZ;
-
- dest_surface = pipe->create_surface(pipe, stImage->pt,
- &surf_tmpl);
-
- if (do_flip) {
- srcY1 = strb->Base.Height - srcY - height;
- srcY0 = srcY1 + height;
- }
- else {
- srcY0 = srcY;
- srcY1 = srcY0 + height;
- }
-
- util_blit_pixels_writemask(st->blit,
- strb->texture,
- strb->surface->u.tex.level,
- srcX, srcY0,
- srcX + width, srcY1,
- strb->surface->u.tex.first_layer,
- dest_surface,
- destX, destY,
- destX + width, destY + height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST,
- format_writemask);
- use_fallback = GL_FALSE;
- }
-
- if (dest_surface)
- pipe_surface_reference(&dest_surface, NULL);
- }
-
- if (use_fallback) {
- /* software fallback */
- fallback_copy_texsubimage(ctx, target, level,
- strb, stImage, texBaseFormat,
- destX, destY, destZ,
- srcX, srcY, width, height);
- }
-}
-
-
-
-static void
-st_CopyTexImage1D(struct gl_context * ctx, GLenum target, GLint level,
- GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLint border)
-{
- struct gl_texture_unit *texUnit =
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_object *texObj =
- _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
-
- /* Setup or redefine the texture object, texture and texture
- * image. Don't populate yet.
- */
- ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
- width, border,
- GL_RGBA, CHAN_TYPE, NULL,
- &ctx->DefaultPacking, texObj, texImage);
-
- st_copy_texsubimage(ctx, target, level,
- 0, 0, 0, /* destX,Y,Z */
- x, y, width, 1); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexImage2D(struct gl_context * ctx, GLenum target, GLint level,
- GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLint border)
-{
- struct gl_texture_unit *texUnit =
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_object *texObj =
- _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
-
- /* Setup or redefine the texture object, texture and texture
- * image. Don't populate yet.
- */
- ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
- width, height, border,
- GL_RGBA, CHAN_TYPE, NULL,
- &ctx->DefaultPacking, texObj, texImage);
-
- st_copy_texsubimage(ctx, target, level,
- 0, 0, 0, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage1D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint x, GLint y, GLsizei width)
-{
- const GLint yoffset = 0, zoffset = 0;
- const GLsizei height = 1;
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage2D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- const GLint zoffset = 0;
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage3D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-/**
- * Copy image data from stImage into the texture object 'stObj' at level
- * 'dstLevel'.
- */
-static void
-copy_image_data_to_texture(struct st_context *st,
- struct st_texture_object *stObj,
- GLuint dstLevel,
- struct st_texture_image *stImage)
-{
- /* debug checks */
- {
- const struct gl_texture_image *dstImage =
- stObj->base.Image[stImage->face][stImage->level];
- assert(dstImage);
- assert(dstImage->Width == stImage->base.Width);
- assert(dstImage->Height == stImage->base.Height);
- assert(dstImage->Depth == stImage->base.Depth);
- }
-
- if (stImage->pt) {
- /* Copy potentially with the blitter:
- */
- st_texture_image_copy(st->pipe,
- stObj->pt, dstLevel, /* dest texture, level */
- stImage->pt, stImage->level, /* src texture, level */
- stImage->face);
-
- pipe_resource_reference(&stImage->pt, NULL);
- }
- else if (stImage->base.Data) {
- st_texture_image_data(st,
- stObj->pt,
- stImage->face,
- dstLevel,
- stImage->base.Data,
- stImage->base.RowStride *
- util_format_get_blocksize(stObj->pt->format),
- stImage->base.RowStride *
- stImage->base.Height *
- util_format_get_blocksize(stObj->pt->format));
- _mesa_align_free(stImage->base.Data);
- stImage->base.Data = NULL;
- }
-
- pipe_resource_reference(&stImage->pt, stObj->pt);
-}
-
-
-/**
- * Called during state validation. When this function is finished,
- * the texture object should be ready for rendering.
- * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
- */
-GLboolean
-st_finalize_texture(struct gl_context *ctx,
- struct pipe_context *pipe,
- struct gl_texture_object *tObj)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_object *stObj = st_texture_object(tObj);
- const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
- GLuint face;
- struct st_texture_image *firstImage;
- enum pipe_format firstImageFormat;
- GLuint ptWidth, ptHeight, ptDepth, ptLayers;
-
- if (stObj->base._Complete) {
- /* The texture is complete and we know exactly how many mipmap levels
- * are present/needed. This is conditional because we may be called
- * from the st_generate_mipmap() function when the texture object is
- * incomplete. In that case, we'll have set stObj->lastLevel before
- * we get here.
- */
- if (stObj->base.MinFilter == GL_LINEAR ||
- stObj->base.MinFilter == GL_NEAREST)
- stObj->lastLevel = stObj->base.BaseLevel;
- else
- stObj->lastLevel = stObj->base._MaxLevel;
- }
-
- firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
- assert(firstImage);
-
- /* If both firstImage and stObj point to a texture which can contain
- * all active images, favour firstImage. Note that because of the
- * completeness requirement, we know that the image dimensions
- * will match.
- */
- if (firstImage->pt &&
- firstImage->pt != stObj->pt &&
- (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
- pipe_resource_reference(&stObj->pt, firstImage->pt);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- }
-
- /* Find gallium format for the Mesa texture */
- firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
- st_gl_texture_dims_to_pipe_dims(stObj->base.Target, stObj->width0,
- stObj->height0, stObj->depth0,
- &ptWidth, &ptHeight, &ptDepth, &ptLayers);
-
- /* If we already have a gallium texture, check that it matches the texture
- * object's format, target, size, num_levels, etc.
- */
- if (stObj->pt) {
- if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
- !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
- stObj->pt->last_level < stObj->lastLevel ||
- stObj->pt->width0 != ptWidth ||
- stObj->pt->height0 != ptHeight ||
- stObj->pt->depth0 != ptDepth ||
- stObj->pt->array_size != ptLayers)
- {
- /* The gallium texture does not match the Mesa texture so delete the
- * gallium texture now. We'll make a new one below.
- */
- pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- st->dirty.st |= ST_NEW_FRAMEBUFFER;
- }
- }
-
- /* May need to create a new gallium texture:
- */
- if (!stObj->pt) {
- GLuint bindings = default_bindings(st, firstImageFormat);
-
- stObj->pt = st_texture_create(st,
- gl_target_to_pipe(stObj->base.Target),
- firstImageFormat,
- stObj->lastLevel,
- ptWidth,
- ptHeight,
- ptDepth,
- ptLayers,
- bindings);
-
- if (!stObj->pt) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return GL_FALSE;
- }
- }
-
- /* Pull in any images not in the object's texture:
- */
- for (face = 0; face < nr_faces; face++) {
- GLuint level;
- for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) {
- struct st_texture_image *stImage =
- st_texture_image(stObj->base.Image[face][level]);
-
- /* Need to import images in main memory or held in other textures.
- */
- if (stImage && stObj->pt != stImage->pt) {
- copy_image_data_to_texture(st, stObj, level, stImage);
- }
- }
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Returns pointer to a default/dummy texture.
- * This is typically used when the current shader has tex/sample instructions
- * but the user has not provided a (any) texture(s).
- */
-struct gl_texture_object *
-st_get_default_texture(struct st_context *st)
-{
- if (!st->default_texture) {
- static const GLenum target = GL_TEXTURE_2D;
- GLubyte pixels[16][16][4];
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImg;
- GLuint i, j;
-
- /* The ARB_fragment_program spec says (0,0,0,1) should be returned
- * when attempting to sample incomplete textures.
- */
- for (i = 0; i < 16; i++) {
- for (j = 0; j < 16; j++) {
- pixels[i][j][0] = 0;
- pixels[i][j][1] = 0;
- pixels[i][j][2] = 0;
- pixels[i][j][3] = 255;
- }
- }
-
- texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target);
-
- texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
-
- _mesa_init_teximage_fields(st->ctx, target, texImg,
- 16, 16, 1, 0, /* w, h, d, border */
- GL_RGBA, MESA_FORMAT_RGBA8888);
-
- st_TexImage(st->ctx, 2, target,
- 0, GL_RGBA, /* level, intformat */
- 16, 16, 1, 0, /* w, h, d, border */
- GL_RGBA, GL_UNSIGNED_BYTE, pixels,
- &st->ctx->DefaultPacking,
- texObj, texImg,
- 0, 0);
-
- texObj->MinFilter = GL_NEAREST;
- texObj->MagFilter = GL_NEAREST;
- texObj->_Complete = GL_TRUE;
-
- st->default_texture = texObj;
- }
- return st->default_texture;
-}
-
-
-void
-st_init_texture_functions(struct dd_function_table *functions)
-{
- functions->ChooseTextureFormat = st_ChooseTextureFormat;
- functions->TexImage1D = st_TexImage1D;
- functions->TexImage2D = st_TexImage2D;
- functions->TexImage3D = st_TexImage3D;
- functions->TexSubImage1D = st_TexSubImage1D;
- functions->TexSubImage2D = st_TexSubImage2D;
- functions->TexSubImage3D = st_TexSubImage3D;
- functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
- functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
- functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
- functions->CopyTexImage1D = st_CopyTexImage1D;
- functions->CopyTexImage2D = st_CopyTexImage2D;
- functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
- functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
- functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
- functions->GenerateMipmap = st_generate_mipmap;
-
- functions->GetTexImage = st_GetTexImage;
-
- /* compressed texture functions */
- functions->CompressedTexImage2D = st_CompressedTexImage2D;
- functions->GetCompressedTexImage = st_GetCompressedTexImage;
-
- functions->NewTextureObject = st_NewTextureObject;
- functions->NewTextureImage = st_NewTextureImage;
- functions->DeleteTexture = st_DeleteTextureObject;
- functions->FreeTexImageData = st_FreeTextureImageData;
-
- functions->TextureMemCpy = do_memcpy;
-
- /* XXX Temporary until we can query pipe's texture sizes */
- functions->TestProxyTexImage = _mesa_test_proxy_teximage;
-}
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "main/mfeatures.h"
+#include "main/bufferobj.h"
+#include "main/enums.h"
+#include "main/fbobject.h"
+#include "main/formats.h"
+#include "main/image.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "main/mipmap.h"
+#include "main/pack.h"
+#include "main/pixeltransfer.h"
+#include "main/texcompress.h"
+#include "main/texfetch.h"
+#include "main/texgetimage.h"
+#include "main/teximage.h"
+#include "main/texobj.h"
+#include "main/texstore.h"
+
+#include "state_tracker/st_debug.h"
+#include "state_tracker/st_context.h"
+#include "state_tracker/st_cb_fbo.h"
+#include "state_tracker/st_cb_flush.h"
+#include "state_tracker/st_cb_texture.h"
+#include "state_tracker/st_format.h"
+#include "state_tracker/st_texture.h"
+#include "state_tracker/st_gen_mipmap.h"
+#include "state_tracker/st_atom.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "pipe/p_shader_tokens.h"
+#include "util/u_tile.h"
+#include "util/u_blit.h"
+#include "util/u_format.h"
+#include "util/u_surface.h"
+#include "util/u_sampler.h"
+#include "util/u_math.h"
+#include "util/u_box.h"
+
+#define DBG if (0) printf
+
+
+static enum pipe_texture_target
+gl_target_to_pipe(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return PIPE_TEXTURE_1D;
+ case GL_TEXTURE_2D:
+ return PIPE_TEXTURE_2D;
+ case GL_TEXTURE_RECTANGLE_NV:
+ return PIPE_TEXTURE_RECT;
+ case GL_TEXTURE_3D:
+ return PIPE_TEXTURE_3D;
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ return PIPE_TEXTURE_CUBE;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return PIPE_TEXTURE_1D_ARRAY;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return PIPE_TEXTURE_2D_ARRAY;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+/** called via ctx->Driver.NewTextureImage() */
+static struct gl_texture_image *
+st_NewTextureImage(struct gl_context * ctx)
+{
+ DBG("%s\n", __FUNCTION__);
+ (void) ctx;
+ return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image);
+}
+
+
+/** called via ctx->Driver.NewTextureObject() */
+static struct gl_texture_object *
+st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
+{
+ struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
+
+ DBG("%s\n", __FUNCTION__);
+ _mesa_initialize_texture_object(&obj->base, name, target);
+
+ return &obj->base;
+}
+
+/** called via ctx->Driver.DeleteTextureObject() */
+static void
+st_DeleteTextureObject(struct gl_context *ctx,
+ struct gl_texture_object *texObj)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ if (stObj->pt)
+ pipe_resource_reference(&stObj->pt, NULL);
+ if (stObj->sampler_view) {
+ if (stObj->sampler_view->context != st->pipe) {
+ /* Take "ownership" of this texture sampler view by setting
+ * its context pointer to this context. This avoids potential
+ * crashes when the texture object is shared among contexts
+ * and the original/owner context has already been destroyed.
+ */
+ stObj->sampler_view->context = st->pipe;
+ }
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ }
+ _mesa_delete_texture_object(ctx, texObj);
+}
+
+
+/** called via ctx->Driver.FreeTexImageData() */
+static void
+st_FreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage)
+{
+ struct st_texture_image *stImage = st_texture_image(texImage);
+
+ DBG("%s\n", __FUNCTION__);
+
+ if (stImage->pt) {
+ pipe_resource_reference(&stImage->pt, NULL);
+ }
+
+ if (texImage->Data) {
+ _mesa_align_free(texImage->Data);
+ texImage->Data = NULL;
+ }
+}
+
+
+/**
+ * From linux kernel i386 header files, copes with odd sizes better
+ * than COPY_DWORDS would:
+ * XXX Put this in src/mesa/main/imports.h ???
+ */
+#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86)
+static INLINE void *
+__memcpy(void *to, const void *from, size_t n)
+{
+ int d0, d1, d2;
+ __asm__ __volatile__("rep ; movsl\n\t"
+ "testb $2,%b4\n\t"
+ "je 1f\n\t"
+ "movsw\n"
+ "1:\ttestb $1,%b4\n\t"
+ "je 2f\n\t"
+ "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
+ :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
+ :"memory");
+ return (to);
+}
+#else
+#define __memcpy(a,b,c) memcpy(a,b,c)
+#endif
+
+
+/**
+ * The system memcpy (at least on ubuntu 5.10) has problems copying
+ * to agp (writecombined) memory from a source which isn't 64-byte
+ * aligned - there is a 4x performance falloff.
+ *
+ * The x86 __memcpy is immune to this but is slightly slower
+ * (10%-ish) than the system memcpy.
+ *
+ * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
+ * isn't much faster than x86_memcpy for agp copies.
+ *
+ * TODO: switch dynamically.
+ */
+static void *
+do_memcpy(void *dest, const void *src, size_t n)
+{
+ if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) {
+ return __memcpy(dest, src, n);
+ }
+ else
+ return memcpy(dest, src, n);
+}
+
+
+/**
+ * Return default texture resource binding bitmask for the given format.
+ */
+static GLuint
+default_bindings(struct st_context *st, enum pipe_format format)
+{
+ struct pipe_screen *screen = st->pipe->screen;
+ const unsigned target = PIPE_TEXTURE_2D;
+ const unsigned geom = 0x0;
+ unsigned bindings;
+
+ if (util_format_is_depth_or_stencil(format))
+ bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
+ else
+ bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+
+ if (screen->is_format_supported(screen, format, target, 0, bindings, geom))
+ return bindings;
+ else
+ return PIPE_BIND_SAMPLER_VIEW;
+}
+
+
+/** Return number of image dimensions (1, 2 or 3) for a texture target. */
+static GLuint
+get_texture_dims(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return 1;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return 2;
+ case GL_TEXTURE_3D:
+ return 3;
+ default:
+ assert(0 && "invalid texture target in get_texture_dims()");
+ return 1;
+ }
+}
+
+
+/**
+ * Given the size of a mipmap image, try to compute the size of the level=0
+ * mipmap image.
+ *
+ * Note that this isn't always accurate for odd-sized, non-POW textures.
+ * For example, if level=1 and width=40 then the level=0 width may be 80 or 81.
+ *
+ * \return GL_TRUE for success, GL_FALSE for failure
+ */
+static GLboolean
+guess_base_level_size(GLenum target,
+ GLuint width, GLuint height, GLuint depth, GLuint level,
+ GLuint *width0, GLuint *height0, GLuint *depth0)
+{
+ const GLuint dims = get_texture_dims(target);
+
+ assert(width >= 1);
+ assert(height >= 1);
+ assert(depth >= 1);
+
+ if (level > 0) {
+ /* Depending on the image's size, we can't always make a guess here */
+ if ((dims >= 1 && width == 1) ||
+ (dims >= 2 && height == 1) ||
+ (dims >= 3 && depth == 1)) {
+ /* we can't determine the image size at level=0 */
+ return GL_FALSE;
+ }
+
+ /* grow the image size until we hit level = 0 */
+ while (level > 0) {
+ if (width > 1)
+ width <<= 1;
+ if (height > 1)
+ height <<= 1;
+ if (depth > 1)
+ depth <<= 1;
+ level--;
+ }
+ }
+
+ *width0 = width;
+ *height0 = height;
+ *depth0 = depth;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Try to allocate a pipe_resource object for the given st_texture_object.
+ *
+ * We use the given st_texture_image as a clue to determine the size of the
+ * mipmap image at level=0.
+ *
+ * \return GL_TRUE for success, GL_FALSE if out of memory.
+ */
+static GLboolean
+guess_and_alloc_texture(struct st_context *st,
+ struct st_texture_object *stObj,
+ const struct st_texture_image *stImage)
+{
+ GLuint lastLevel, width, height, depth;
+ GLuint bindings;
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+ enum pipe_format fmt;
+
+ DBG("%s\n", __FUNCTION__);
+
+ assert(!stObj->pt);
+
+ if (!guess_base_level_size(stObj->base.Target,
+ stImage->base.Width2,
+ stImage->base.Height2,
+ stImage->base.Depth2,
+ stImage->level,
+ &width, &height, &depth)) {
+ /* we can't determine the image size at level=0 */
+ stObj->width0 = stObj->height0 = stObj->depth0 = 0;
+ /* this is not an out of memory error */
+ return GL_TRUE;
+ }
+
+ /* At this point, (width x height x depth) is the expected size of
+ * the level=0 mipmap image.
+ */
+
+ /* Guess a reasonable value for lastLevel. With OpenGL we have no
+ * idea how many mipmap levels will be in a texture until we start
+ * to render with it. Make an educated guess here but be prepared
+ * to re-allocating a texture buffer with space for more (or fewer)
+ * mipmap levels later.
+ */
+ if ((stObj->base.MinFilter == GL_NEAREST ||
+ stObj->base.MinFilter == GL_LINEAR ||
+ stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
+ stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) &&
+ !stObj->base.GenerateMipmap &&
+ stImage->level == 0) {
+ /* only alloc space for a single mipmap level */
+ lastLevel = 0;
+ }
+ else {
+ /* alloc space for a full mipmap */
+ GLuint l2width = util_logbase2(width);
+ GLuint l2height = util_logbase2(height);
+ GLuint l2depth = util_logbase2(depth);
+ lastLevel = MAX2(MAX2(l2width, l2height), l2depth);
+ }
+
+ /* Save the level=0 dimensions */
+ stObj->width0 = width;
+ stObj->height0 = height;
+ stObj->depth0 = depth;
+
+ fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat);
+
+ bindings = default_bindings(st, fmt);
+
+ st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
+ width, height, depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
+ stObj->pt = st_texture_create(st,
+ gl_target_to_pipe(stObj->base.Target),
+ fmt,
+ lastLevel,
+ ptWidth,
+ ptHeight,
+ ptDepth,
+ ptLayers,
+ bindings);
+
+ DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL));
+
+ return stObj->pt != NULL;
+}
+
+
+/**
+ * Adjust pixel unpack params and image dimensions to strip off the
+ * texture border.
+ * Gallium doesn't support texture borders. They've seldem been used
+ * and seldom been implemented correctly anyway.
+ * \param unpackNew returns the new pixel unpack parameters
+ */
+static void
+strip_texture_border(GLint border,
+ GLint *width, GLint *height, GLint *depth,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_pixelstore_attrib *unpackNew)
+{
+ assert(border > 0); /* sanity check */
+
+ *unpackNew = *unpack;
+
+ if (unpackNew->RowLength == 0)
+ unpackNew->RowLength = *width;
+
+ if (depth && unpackNew->ImageHeight == 0)
+ unpackNew->ImageHeight = *height;
+
+ unpackNew->SkipPixels += border;
+ if (height)
+ unpackNew->SkipRows += border;
+ if (depth)
+ unpackNew->SkipImages += border;
+
+ assert(*width >= 3);
+ *width = *width - 2 * border;
+ if (height && *height >= 3)
+ *height = *height - 2 * border;
+ if (depth && *depth >= 3)
+ *depth = *depth - 2 * border;
+}
+
+
+/**
+ * Do glTexImage1/2/3D().
+ */
+static void
+st_TexImage(struct gl_context * ctx,
+ GLint dims,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLsizei imageSize, GLboolean compressed_src)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ GLuint dstRowStride = 0;
+ struct gl_pixelstore_attrib unpackNB;
+ enum pipe_transfer_usage transfer_usage = 0;
+
+ DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
+
+ /* switch to "normal" */
+ if (stObj->surface_based) {
+ gl_format texFormat;
+
+ _mesa_clear_texture_object(ctx, texObj);
+ pipe_resource_reference(&stObj->pt, NULL);
+
+ /* oops, need to init this image again */
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, format, type);
+
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ width, height, depth, border,
+ internalFormat, texFormat);
+
+ stObj->surface_based = GL_FALSE;
+ }
+
+ /* gallium does not support texture borders, strip it off */
+ if (border) {
+ strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB);
+ unpack = &unpackNB;
+ texImage->Width = width;
+ texImage->Height = height;
+ texImage->Depth = depth;
+ texImage->Border = 0;
+ border = 0;
+ }
+ else {
+ assert(texImage->Width == width);
+ assert(texImage->Height == height);
+ assert(texImage->Depth == depth);
+ }
+
+ stImage->face = _mesa_tex_target_to_face(target);
+ stImage->level = level;
+
+ _mesa_set_fetch_functions(texImage, dims);
+
+ /* Release the reference to a potentially orphaned buffer.
+ * Release any old malloced memory.
+ */
+ if (stImage->pt) {
+ pipe_resource_reference(&stImage->pt, NULL);
+ assert(!texImage->Data);
+ }
+ else if (texImage->Data) {
+ _mesa_align_free(texImage->Data);
+ }
+
+ /*
+ * See if the new image is somehow incompatible with the existing
+ * mipmap. If so, free the old mipmap.
+ */
+ if (stObj->pt) {
+ if (level > (GLint) stObj->pt->last_level ||
+ !st_texture_match_image(stObj->pt, &stImage->base,
+ stImage->face, stImage->level)) {
+ DBG("release it\n");
+ pipe_resource_reference(&stObj->pt, NULL);
+ assert(!stObj->pt);
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ }
+ }
+
+ if (width == 0 || height == 0 || depth == 0) {
+ /* stop after freeing old image */
+ return;
+ }
+
+ if (!stObj->pt) {
+ if (!guess_and_alloc_texture(st, stObj, stImage)) {
+ /* Probably out of memory.
+ * Try flushing any pending rendering, then retry.
+ */
+ st_finish(st);
+ if (!guess_and_alloc_texture(st, stObj, stImage)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ return;
+ }
+ }
+ }
+
+ assert(!stImage->pt);
+
+ /* Check if this texture image can live inside the texture object's buffer.
+ * If so, store the image there. Otherwise the image will temporarily live
+ * in its own buffer.
+ */
+ if (stObj->pt &&
+ st_texture_match_image(stObj->pt, &stImage->base,
+ stImage->face, stImage->level)) {
+
+ pipe_resource_reference(&stImage->pt, stObj->pt);
+ assert(stImage->pt);
+ }
+
+ if (!stImage->pt)
+ DBG("XXX: Image did not fit into texture - storing in local memory!\n");
+
+ /* Pixel data may come from regular user memory or a PBO. For the later,
+ * do bounds checking and map the PBO to read pixels data from it.
+ *
+ * XXX we should try to use a GPU-accelerated path to copy the image data
+ * from the PBO to the texture.
+ */
+ if (compressed_src) {
+ pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
+ unpack,
+ "glCompressedTexImage");
+ }
+ else {
+ pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
+ format, type,
+ pixels, unpack, "glTexImage");
+ }
+
+ /*
+ * Prepare to store the texture data. Either map the gallium texture buffer
+ * memory or malloc space for it.
+ */
+ if (stImage->pt) {
+ /* Store the image in the gallium texture memory buffer */
+ if (format == GL_DEPTH_COMPONENT &&
+ util_format_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ texImage->Data = st_texture_image_map(st, stImage, 0,
+ transfer_usage, 0, 0, width, height);
+ if(stImage->transfer)
+ dstRowStride = stImage->transfer->stride;
+ }
+ else {
+ /* Allocate regular memory and store the image there temporarily. */
+ GLuint imageSize = _mesa_format_image_size(texImage->TexFormat,
+ width, height, depth);
+ dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
+
+ texImage->Data = _mesa_align_malloc(imageSize, 16);
+ }
+
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ return;
+ }
+
+ if (!pixels) {
+ /* We've allocated texture memory, but have no pixel data - all done. */
+ goto done;
+ }
+
+ DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
+ width, height, depth, width, dstRowStride);
+
+ /* Copy user texture image into the texture buffer.
+ */
+ if (compressed_src) {
+ const GLuint srcRowStride =
+ _mesa_format_row_stride(texImage->TexFormat, width);
+ if (dstRowStride == srcRowStride) {
+ memcpy(texImage->Data, pixels, imageSize);
+ }
+ else {
+ char *dst = texImage->Data;
+ const char *src = pixels;
+ GLuint i, bw, bh, lines;
+ _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
+ lines = (height + bh - 1) / bh;
+
+ for (i = 0; i < lines; ++i) {
+ memcpy(dst, src, srcRowStride);
+ dst += dstRowStride;
+ src += srcRowStride;
+ }
+ }
+ }
+ else {
+ const GLuint srcImageStride =
+ _mesa_image_image_stride(unpack, width, height, format, type);
+ GLint i;
+ const GLubyte *src = (const GLubyte *) pixels;
+
+ for (i = 0; i < depth; i++) {
+ if (!_mesa_texstore(ctx, dims,
+ texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ format, type, src, unpack)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ }
+
+ if (stImage->pt && i + 1 < depth) {
+ /* unmap this slice */
+ st_texture_image_unmap(st, stImage);
+ /* map next slice of 3D texture */
+ texImage->Data = st_texture_image_map(st, stImage, i + 1,
+ transfer_usage, 0, 0,
+ width, height);
+ src += srcImageStride;
+ }
+ }
+ }
+
+done:
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+
+ if (stImage->pt && texImage->Data) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+static void
+st_TexImage3D(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth,
+ border, format, type, pixels, unpack, texObj, texImage,
+ 0, GL_FALSE);
+}
+
+
+static void
+st_TexImage2D(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
+ format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+}
+
+
+static void
+st_TexImage1D(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border,
+ format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+}
+
+
+static void
+st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
+ 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE);
+}
+
+
+
+/**
+ * glGetTexImage() helper: decompress a compressed texture by rendering
+ * a textured quad. Store the results in the user's buffer.
+ */
+static void
+decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid *pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ struct pipe_sampler_view *src_view =
+ st_get_texture_sampler_view(stObj, pipe);
+ const GLuint width = texImage->Width;
+ const GLuint height = texImage->Height;
+ struct pipe_surface *dst_surface;
+ struct pipe_resource *dst_texture;
+ struct pipe_transfer *tex_xfer;
+ unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */
+ PIPE_BIND_TRANSFER_READ);
+
+ /* create temp / dest surface */
+ if (!util_create_rgba_surface(pipe, width, height, bind,
+ &dst_texture, &dst_surface)) {
+ _mesa_problem(ctx, "util_create_rgba_surface() failed "
+ "in decompress_with_blit()");
+ return;
+ }
+
+ /* blit/render/decompress */
+ util_blit_pixels_tex(st->blit,
+ src_view, /* pipe_resource (src) */
+ 0, 0, /* src x0, y0 */
+ width, height, /* src x1, y1 */
+ dst_surface, /* pipe_surface (dst) */
+ 0, 0, /* dst x0, y0 */
+ width, height, /* dst x1, y1 */
+ 0.0, /* z */
+ PIPE_TEX_MIPFILTER_NEAREST);
+
+ /* map the dst_surface so we can read from it */
+ tex_xfer = pipe_get_transfer(st_context(ctx)->pipe,
+ dst_texture, 0, 0,
+ PIPE_TRANSFER_READ,
+ 0, 0, width, height);
+
+ pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
+
+ /* copy/pack data into user buffer */
+ if (st_equal_formats(stImage->pt->format, format, type)) {
+ /* memcpy */
+ const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
+ ubyte *map = pipe_transfer_map(pipe, tex_xfer);
+ GLuint row;
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
+ height, format, type, row, 0);
+ memcpy(dest, map, bytesPerRow);
+ map += tex_xfer->stride;
+ }
+ pipe_transfer_unmap(pipe, tex_xfer);
+ }
+ else {
+ /* format translation via floats */
+ GLuint row;
+ enum pipe_format format = util_format_linear(dst_texture->format);
+ for (row = 0; row < height; row++) {
+ const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
+ GLfloat rgba[4 * MAX_WIDTH];
+ GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
+ height, format, type, row, 0);
+
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback format translation\n", __FUNCTION__);
+
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
+ format, rgba);
+
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, transferOps);
+ }
+ }
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+
+ pipe->transfer_destroy(pipe, tex_xfer);
+
+ /* destroy the temp / dest surface */
+ util_destroy_rgba_surface(dst_texture, dst_surface);
+}
+
+
+
+/**
+ * Need to map texture image into memory before copying image data,
+ * then unmap it.
+ */
+static void
+st_get_tex_image(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid * pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage, GLboolean compressed_dst)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ const GLuint dstImageStride =
+ _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height,
+ format, type);
+ GLuint depth, i;
+ GLubyte *dest;
+
+ if (stImage->pt &&
+ util_format_is_s3tc(stImage->pt->format) &&
+ !compressed_dst) {
+ /* Need to decompress the texture.
+ * We'll do this by rendering a textured quad.
+ * Note that we only expect RGBA formats (no Z/depth formats).
+ */
+ decompress_with_blit(ctx, target, level, format, type, pixels,
+ texObj, texImage);
+ return;
+ }
+
+ /* Map */
+ if (stImage->pt) {
+ /* Image is stored in hardware format in a buffer managed by the
+ * kernel. Need to explicitly map and unmap it.
+ */
+ texImage->Data = st_texture_image_map(st, stImage, 0,
+ PIPE_TRANSFER_READ, 0, 0,
+ stImage->base.Width,
+ stImage->base.Height);
+ /* compute stride in texels from stride in bytes */
+ texImage->RowStride = stImage->transfer->stride
+ * util_format_get_blockwidth(stImage->pt->format)
+ / util_format_get_blocksize(stImage->pt->format);
+ }
+ else {
+ /* Otherwise, the image should actually be stored in
+ * texImage->Data. This is pretty confusing for
+ * everybody, I'd much prefer to separate the two functions of
+ * texImage->Data - storage for texture images in main memory
+ * and access (ie mappings) of images. In other words, we'd
+ * create a new texImage->Map field and leave Data simply for
+ * storage.
+ */
+ assert(texImage->Data);
+ }
+
+ depth = texImage->Depth;
+ texImage->Depth = 1;
+
+ dest = (GLubyte *) pixels;
+
+ _mesa_set_fetch_functions(texImage, get_texture_dims(target));
+
+ for (i = 0; i < depth; i++) {
+ if (compressed_dst) {
+ _mesa_get_compressed_teximage(ctx, target, level, dest,
+ texObj, texImage);
+ }
+ else {
+ _mesa_get_teximage(ctx, target, level, format, type, dest,
+ texObj, texImage);
+ }
+
+ if (stImage->pt && i + 1 < depth) {
+ /* unmap this slice */
+ st_texture_image_unmap(st, stImage);
+ /* map next slice of 3D texture */
+ texImage->Data = st_texture_image_map(st, stImage, i + 1,
+ PIPE_TRANSFER_READ, 0, 0,
+ stImage->base.Width,
+ stImage->base.Height);
+ dest += dstImageStride;
+ }
+ }
+
+ texImage->Depth = depth;
+
+ /* Unmap */
+ if (stImage->pt) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+static void
+st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid * pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage,
+ GL_FALSE);
+}
+
+
+static void
+st_GetCompressedTexImage(struct gl_context *ctx, GLenum target, GLint level,
+ GLvoid *pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage,
+ GL_TRUE);
+}
+
+
+
+static void
+st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ GLuint dstRowStride;
+ const GLuint srcImageStride =
+ _mesa_image_image_stride(packing, width, height, format, type);
+ GLint i;
+ const GLubyte *src;
+ /* init to silence warning only: */
+ enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
+
+ DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(target),
+ level, xoffset, yoffset, width, height);
+
+ pixels =
+ _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
+ type, pixels, packing, "glTexSubImage2D");
+ if (!pixels)
+ return;
+
+ /* Map buffer if necessary. Need to lock to prevent other contexts
+ * from uploading the buffer under us.
+ */
+ if (stImage->pt) {
+ if (format == GL_DEPTH_COMPONENT &&
+ util_format_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ texImage->Data = st_texture_image_map(st, stImage, zoffset,
+ transfer_usage,
+ xoffset, yoffset,
+ width, height);
+ }
+
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
+ goto done;
+ }
+
+ src = (const GLubyte *) pixels;
+ dstRowStride = stImage->transfer->stride;
+
+ for (i = 0; i < depth; i++) {
+ if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ 0, 0, 0,
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ format, type, src, packing)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
+ }
+
+ if (stImage->pt && i + 1 < depth) {
+ /* unmap this slice */
+ st_texture_image_unmap(st, stImage);
+ /* map next slice of 3D texture */
+ texImage->Data = st_texture_image_map(st, stImage,
+ zoffset + i + 1,
+ transfer_usage,
+ xoffset, yoffset,
+ width, height);
+ src += srcImageStride;
+ }
+ }
+
+done:
+ _mesa_unmap_teximage_pbo(ctx, packing);
+
+ if (stImage->pt && texImage->Data) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+
+static void
+st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
+ width, height, depth, format, type,
+ pixels, packing, texObj, texImage);
+}
+
+
+static void
+st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type, const GLvoid * pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0,
+ width, height, 1, format, type,
+ pixels, packing, texObj, texImage);
+}
+
+
+static void
+st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLsizei width, GLenum format, GLenum type,
+ const GLvoid * pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1,
+ format, type, pixels, packing, texObj, texImage);
+}
+
+
+static void
+st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ assert(0);
+}
+
+
+static void
+st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLint height,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ int srcBlockStride;
+ int dstBlockStride;
+ int y;
+ enum pipe_format pformat;
+
+ if (stImage->pt) {
+ pformat = stImage->pt->format;
+
+ texImage->Data = st_texture_image_map(st, stImage, 0,
+ PIPE_TRANSFER_WRITE,
+ xoffset, yoffset,
+ width, height);
+
+ srcBlockStride = util_format_get_stride(pformat, width);
+ dstBlockStride = stImage->transfer->stride;
+ } else {
+ assert(stImage->pt);
+ /* TODO find good values for block and strides */
+ /* TODO also adjust texImage->data for yoffset/xoffset */
+ return;
+ }
+
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
+ return;
+ }
+
+ assert(xoffset % util_format_get_blockwidth(pformat) == 0);
+ assert(yoffset % util_format_get_blockheight(pformat) == 0);
+
+ for (y = 0; y < height; y += util_format_get_blockheight(pformat)) {
+ /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
+ const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y);
+ char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y);
+ memcpy(dst, src, util_format_get_stride(pformat, width));
+ }
+
+ if (stImage->pt) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+static void
+st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLint height, GLint depth,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ assert(0);
+}
+
+
+
+/**
+ * Do a CopyTexSubImage operation using a read transfer from the source,
+ * a write transfer to the destination and get_tile()/put_tile() to access
+ * the pixels/texels.
+ *
+ * Note: srcY=0=TOP of renderbuffer
+ */
+static void
+fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
+ struct st_renderbuffer *strb,
+ struct st_texture_image *stImage,
+ GLenum baseFormat,
+ GLint destX, GLint destY, GLint destZ,
+ GLint srcX, GLint srcY,
+ GLsizei width, GLsizei height)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_transfer *src_trans;
+ GLvoid *texDest;
+ enum pipe_transfer_usage transfer_usage;
+
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback processing\n", __FUNCTION__);
+
+ assert(width <= MAX_WIDTH);
+
+ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+ srcY = strb->Base.Height - srcY - height;
+ }
+
+ src_trans = pipe_get_transfer(st_context(ctx)->pipe,
+ strb->texture,
+ 0, 0,
+ PIPE_TRANSFER_READ,
+ srcX, srcY,
+ width, height);
+
+ if ((baseFormat == GL_DEPTH_COMPONENT ||
+ baseFormat == GL_DEPTH_STENCIL) &&
+ util_format_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ /* XXX this used to ignore destZ param */
+ texDest = st_texture_image_map(st, stImage, destZ, transfer_usage,
+ destX, destY, width, height);
+
+ if (baseFormat == GL_DEPTH_COMPONENT ||
+ baseFormat == GL_DEPTH_STENCIL) {
+ const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F ||
+ ctx->Pixel.DepthBias != 0.0F);
+ GLint row, yStep;
+
+ /* determine bottom-to-top vs. top-to-bottom order for src buffer */
+ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+ srcY = height - 1;
+ yStep = -1;
+ }
+ else {
+ srcY = 0;
+ yStep = 1;
+ }
+
+ /* To avoid a large temp memory allocation, do copy row by row */
+ for (row = 0; row < height; row++, srcY += yStep) {
+ uint data[MAX_WIDTH];
+ pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
+ if (scaleOrBias) {
+ _mesa_scale_and_bias_depth_uint(ctx, width, data);
+ }
+ pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
+ }
+ }
+ else {
+ /* RGBA format */
+ GLfloat *tempSrc =
+ (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
+
+ if (tempSrc && texDest) {
+ const GLint dims = 2;
+ const GLint dstRowStride = stImage->transfer->stride;
+ struct gl_texture_image *texImage = &stImage->base;
+ struct gl_pixelstore_attrib unpack = ctx->DefaultPacking;
+
+ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+ unpack.Invert = GL_TRUE;
+ }
+
+ /* get float/RGBA image from framebuffer */
+ /* XXX this usually involves a lot of int/float conversion.
+ * try to avoid that someday.
+ */
+ pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height,
+ util_format_linear(strb->texture->format),
+ tempSrc);
+
+ /* Store into texture memory.
+ * Note that this does some special things such as pixel transfer
+ * ops and format conversion. In particular, if the dest tex format
+ * is actually RGBA but the user created the texture as GL_RGB we
+ * need to fill-in/override the alpha channel with 1.0.
+ */
+ _mesa_texstore(ctx, dims,
+ texImage->_BaseFormat,
+ texImage->TexFormat,
+ texDest,
+ 0, 0, 0,
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ GL_RGBA, GL_FLOAT, tempSrc, /* src */
+ &unpack);
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
+ }
+
+ if (tempSrc)
+ free(tempSrc);
+ }
+
+ st_texture_image_unmap(st, stImage);
+ pipe->transfer_destroy(pipe, src_trans);
+}
+
+
+
+/**
+ * If the format of the src renderbuffer and the format of the dest
+ * texture are compatible (in terms of blitting), return a TGSI writemask
+ * to be used during the blit.
+ * If the src/dest are incompatible, return 0.
+ */
+static unsigned
+compatible_src_dst_formats(struct gl_context *ctx,
+ const struct gl_renderbuffer *src,
+ const struct gl_texture_image *dst)
+{
+ /* Get logical base formats for the src and dest.
+ * That is, use the user-requested formats and not the actual, device-
+ * chosen formats.
+ * For example, the user may have requested an A8 texture but the
+ * driver may actually be using an RGBA texture format. When we
+ * copy/blit to that texture, we only want to copy the Alpha channel
+ * and not the RGB channels.
+ *
+ * Similarly, when the src FBO was created an RGB format may have been
+ * requested but the driver actually chose an RGBA format. In that case,
+ * we don't want to copy the undefined Alpha channel to the dest texture
+ * (it should be 1.0).
+ */
+ const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
+ const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
+
+ /**
+ * XXX when we have red-only and red/green renderbuffers we'll need
+ * to add more cases here (or implement a general-purpose routine that
+ * queries the existance of the R,G,B,A channels in the src and dest).
+ */
+ if (srcFormat == dstFormat) {
+ /* This is the same as matching_base_formats, which should
+ * always pass, as it did previously.
+ */
+ return TGSI_WRITEMASK_XYZW;
+ }
+ else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
+ /* Make sure that A in the dest is 1. The actual src format
+ * may be RGBA and have undefined A values.
+ */
+ return TGSI_WRITEMASK_XYZ;
+ }
+ else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
+ /* Make sure that A in the dest is 1. The actual dst format
+ * may be RGBA and will need A=1 to provide proper alpha values
+ * when sampled later.
+ */
+ return TGSI_WRITEMASK_XYZ;
+ }
+ else {
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s failed for src %s, dst %s\n",
+ __FUNCTION__,
+ _mesa_lookup_enum_by_nr(srcFormat),
+ _mesa_lookup_enum_by_nr(dstFormat));
+
+ /* Otherwise fail.
+ */
+ return 0;
+ }
+}
+
+
+
+/**
+ * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
+ * Note that the region to copy has already been clipped so we know we
+ * won't read from outside the source renderbuffer's bounds.
+ *
+ * Note: srcY=0=Bottom of renderbuffer (GL convention)
+ */
+static void
+st_copy_texsubimage(struct gl_context *ctx,
+ GLenum target, GLint level,
+ GLint destX, GLint destY, GLint destZ,
+ GLint srcX, GLint srcY,
+ GLsizei width, GLsizei height)
+{
+ struct gl_texture_unit *texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_object *texObj =
+ _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ const GLenum texBaseFormat = texImage->_BaseFormat;
+ struct gl_framebuffer *fb = ctx->ReadBuffer;
+ struct st_renderbuffer *strb;
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ enum pipe_format dest_format, src_format;
+ GLboolean use_fallback = GL_TRUE;
+ GLboolean matching_base_formats;
+ GLuint format_writemask, sample_count;
+ struct pipe_surface *dest_surface = NULL;
+ GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
+
+ /* make sure finalize_textures has been called?
+ */
+ if (0) st_validate_state(st);
+
+ /* determine if copying depth or color data */
+ if (texBaseFormat == GL_DEPTH_COMPONENT ||
+ texBaseFormat == GL_DEPTH_STENCIL) {
+ strb = st_renderbuffer(fb->_DepthBuffer);
+ if (strb->Base.Wrapped) {
+ strb = st_renderbuffer(strb->Base.Wrapped);
+ }
+ }
+ else {
+ /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
+ strb = st_renderbuffer(fb->_ColorReadBuffer);
+ }
+
+ if (!strb || !strb->surface || !stImage->pt) {
+ debug_printf("%s: null strb or stImage\n", __FUNCTION__);
+ return;
+ }
+
+ sample_count = strb->surface->texture->nr_samples;
+ /* I believe this would be legal, presumably would need to do a resolve
+ for color, and for depth/stencil spec says to just use one of the
+ depth/stencil samples per pixel? Need some transfer clarifications. */
+ assert(sample_count < 2);
+
+ if (srcX < 0) {
+ width -= -srcX;
+ destX += -srcX;
+ srcX = 0;
+ }
+
+ if (srcY < 0) {
+ height -= -srcY;
+ destY += -srcY;
+ srcY = 0;
+ }
+
+ if (destX < 0) {
+ width -= -destX;
+ srcX += -destX;
+ destX = 0;
+ }
+
+ if (destY < 0) {
+ height -= -destY;
+ srcY += -destY;
+ destY = 0;
+ }
+
+ if (width < 0 || height < 0)
+ return;
+
+
+ assert(strb);
+ assert(strb->surface);
+ assert(stImage->pt);
+
+ src_format = strb->surface->format;
+ dest_format = stImage->pt->format;
+
+ /*
+ * Determine if the src framebuffer and dest texture have the same
+ * base format. We need this to detect a case such as the framebuffer
+ * being GL_RGBA but the texture being GL_RGB. If the actual hardware
+ * texture format stores RGBA we need to set A=1 (overriding the
+ * framebuffer's alpha values). We can't do that with the blit or
+ * textured-quad paths.
+ */
+ matching_base_formats =
+ (_mesa_get_format_base_format(strb->Base.Format) ==
+ _mesa_get_format_base_format(texImage->TexFormat));
+ format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
+
+ if (ctx->_ImageTransferState == 0x0) {
+
+ if (matching_base_formats &&
+ src_format == dest_format &&
+ !do_flip)
+ {
+ /* use surface_copy() / blit */
+ struct pipe_box src_box;
+ u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
+ width, height, &src_box);
+
+ /* for resource_copy_region(), y=0=top, always */
+ pipe->resource_copy_region(pipe,
+ /* dest */
+ stImage->pt,
+ stImage->level,
+ destX, destY, destZ + stImage->face,
+ /* src */
+ strb->texture,
+ strb->surface->u.tex.level,
+ &src_box);
+ use_fallback = GL_FALSE;
+ }
+ else if (format_writemask &&
+ texBaseFormat != GL_DEPTH_COMPONENT &&
+ texBaseFormat != GL_DEPTH_STENCIL &&
+ screen->is_format_supported(screen, src_format,
+ PIPE_TEXTURE_2D, sample_count,
+ PIPE_BIND_SAMPLER_VIEW,
+ 0) &&
+ screen->is_format_supported(screen, dest_format,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_RENDER_TARGET,
+ 0)) {
+ /* draw textured quad to do the copy */
+ GLint srcY0, srcY1;
+ struct pipe_surface surf_tmpl;
+ memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+ surf_tmpl.format = stImage->pt->format;
+ surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
+ surf_tmpl.u.tex.level = stImage->level;
+ surf_tmpl.u.tex.first_layer = stImage->face + destZ;
+ surf_tmpl.u.tex.last_layer = stImage->face + destZ;
+
+ dest_surface = pipe->create_surface(pipe, stImage->pt,
+ &surf_tmpl);
+
+ if (do_flip) {
+ srcY1 = strb->Base.Height - srcY - height;
+ srcY0 = srcY1 + height;
+ }
+ else {
+ srcY0 = srcY;
+ srcY1 = srcY0 + height;
+ }
+
+ util_blit_pixels_writemask(st->blit,
+ strb->texture,
+ strb->surface->u.tex.level,
+ srcX, srcY0,
+ srcX + width, srcY1,
+ strb->surface->u.tex.first_layer,
+ dest_surface,
+ destX, destY,
+ destX + width, destY + height,
+ 0.0, PIPE_TEX_MIPFILTER_NEAREST,
+ format_writemask);
+ use_fallback = GL_FALSE;
+ }
+
+ if (dest_surface)
+ pipe_surface_reference(&dest_surface, NULL);
+ }
+
+ if (use_fallback) {
+ /* software fallback */
+ fallback_copy_texsubimage(ctx, target, level,
+ strb, stImage, texBaseFormat,
+ destX, destY, destZ,
+ srcX, srcY, width, height);
+ }
+}
+
+
+
+static void
+st_CopyTexImage1D(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLint border)
+{
+ struct gl_texture_unit *texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_object *texObj =
+ _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+
+ /* Setup or redefine the texture object, texture and texture
+ * image. Don't populate yet.
+ */
+ ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
+ width, border,
+ GL_RGBA, CHAN_TYPE, NULL,
+ &ctx->DefaultPacking, texObj, texImage);
+
+ st_copy_texsubimage(ctx, target, level,
+ 0, 0, 0, /* destX,Y,Z */
+ x, y, width, 1); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexImage2D(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLint border)
+{
+ struct gl_texture_unit *texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_object *texObj =
+ _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+
+ /* Setup or redefine the texture object, texture and texture
+ * image. Don't populate yet.
+ */
+ ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
+ width, height, border,
+ GL_RGBA, CHAN_TYPE, NULL,
+ &ctx->DefaultPacking, texObj, texImage);
+
+ st_copy_texsubimage(ctx, target, level,
+ 0, 0, 0, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexSubImage1D(struct gl_context * ctx, GLenum target, GLint level,
+ GLint xoffset, GLint x, GLint y, GLsizei width)
+{
+ const GLint yoffset = 0, zoffset = 0;
+ const GLsizei height = 1;
+ st_copy_texsubimage(ctx, target, level,
+ xoffset, yoffset, zoffset, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexSubImage2D(struct gl_context * ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ const GLint zoffset = 0;
+ st_copy_texsubimage(ctx, target, level,
+ xoffset, yoffset, zoffset, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexSubImage3D(struct gl_context * ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ st_copy_texsubimage(ctx, target, level,
+ xoffset, yoffset, zoffset, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+/**
+ * Copy image data from stImage into the texture object 'stObj' at level
+ * 'dstLevel'.
+ */
+static void
+copy_image_data_to_texture(struct st_context *st,
+ struct st_texture_object *stObj,
+ GLuint dstLevel,
+ struct st_texture_image *stImage)
+{
+ /* debug checks */
+ {
+ const struct gl_texture_image *dstImage =
+ stObj->base.Image[stImage->face][stImage->level];
+ assert(dstImage);
+ assert(dstImage->Width == stImage->base.Width);
+ assert(dstImage->Height == stImage->base.Height);
+ assert(dstImage->Depth == stImage->base.Depth);
+ }
+
+ if (stImage->pt) {
+ /* Copy potentially with the blitter:
+ */
+ st_texture_image_copy(st->pipe,
+ stObj->pt, dstLevel, /* dest texture, level */
+ stImage->pt, stImage->level, /* src texture, level */
+ stImage->face);
+
+ pipe_resource_reference(&stImage->pt, NULL);
+ }
+ else if (stImage->base.Data) {
+ st_texture_image_data(st,
+ stObj->pt,
+ stImage->face,
+ dstLevel,
+ stImage->base.Data,
+ stImage->base.RowStride *
+ util_format_get_blocksize(stObj->pt->format),
+ stImage->base.RowStride *
+ stImage->base.Height *
+ util_format_get_blocksize(stObj->pt->format));
+ _mesa_align_free(stImage->base.Data);
+ stImage->base.Data = NULL;
+ }
+
+ pipe_resource_reference(&stImage->pt, stObj->pt);
+}
+
+
+/**
+ * Called during state validation. When this function is finished,
+ * the texture object should be ready for rendering.
+ * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
+ */
+GLboolean
+st_finalize_texture(struct gl_context *ctx,
+ struct pipe_context *pipe,
+ struct gl_texture_object *tObj)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_object *stObj = st_texture_object(tObj);
+ const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
+ GLuint face;
+ struct st_texture_image *firstImage;
+ enum pipe_format firstImageFormat;
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+
+ if (stObj->base._Complete) {
+ /* The texture is complete and we know exactly how many mipmap levels
+ * are present/needed. This is conditional because we may be called
+ * from the st_generate_mipmap() function when the texture object is
+ * incomplete. In that case, we'll have set stObj->lastLevel before
+ * we get here.
+ */
+ if (stObj->base.MinFilter == GL_LINEAR ||
+ stObj->base.MinFilter == GL_NEAREST)
+ stObj->lastLevel = stObj->base.BaseLevel;
+ else
+ stObj->lastLevel = stObj->base._MaxLevel;
+ }
+
+ firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
+ assert(firstImage);
+
+ /* If both firstImage and stObj point to a texture which can contain
+ * all active images, favour firstImage. Note that because of the
+ * completeness requirement, we know that the image dimensions
+ * will match.
+ */
+ if (firstImage->pt &&
+ firstImage->pt != stObj->pt &&
+ (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
+ pipe_resource_reference(&stObj->pt, firstImage->pt);
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ }
+
+ /* Find gallium format for the Mesa texture */
+ firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
+
+ /* Find size of level=0 Gallium mipmap image, plus number of texture layers */
+ {
+ GLuint width, height, depth;
+ if (!guess_base_level_size(stObj->base.Target,
+ firstImage->base.Width2,
+ firstImage->base.Height2,
+ firstImage->base.Depth2,
+ stObj->base.BaseLevel,
+ &width, &height, &depth)) {
+ width = stObj->width0;
+ height = stObj->height0;
+ depth = stObj->depth0;
+ }
+ /* convert GL dims to Gallium dims */
+ st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+ }
+
+ /* If we already have a gallium texture, check that it matches the texture
+ * object's format, target, size, num_levels, etc.
+ */
+ if (stObj->pt) {
+ if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
+ !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
+ stObj->pt->last_level < stObj->lastLevel ||
+ stObj->pt->width0 != ptWidth ||
+ stObj->pt->height0 != ptHeight ||
+ stObj->pt->depth0 != ptDepth ||
+ stObj->pt->array_size != ptLayers)
+ {
+ /* The gallium texture does not match the Mesa texture so delete the
+ * gallium texture now. We'll make a new one below.
+ */
+ pipe_resource_reference(&stObj->pt, NULL);
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st->dirty.st |= ST_NEW_FRAMEBUFFER;
+ }
+ }
+
+ /* May need to create a new gallium texture:
+ */
+ if (!stObj->pt) {
+ GLuint bindings = default_bindings(st, firstImageFormat);
+
+ stObj->pt = st_texture_create(st,
+ gl_target_to_pipe(stObj->base.Target),
+ firstImageFormat,
+ stObj->lastLevel,
+ ptWidth,
+ ptHeight,
+ ptDepth,
+ ptLayers,
+ bindings);
+
+ if (!stObj->pt) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ return GL_FALSE;
+ }
+ }
+
+ /* Pull in any images not in the object's texture:
+ */
+ for (face = 0; face < nr_faces; face++) {
+ GLuint level;
+ for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) {
+ struct st_texture_image *stImage =
+ st_texture_image(stObj->base.Image[face][level]);
+
+ /* Need to import images in main memory or held in other textures.
+ */
+ if (stImage && stObj->pt != stImage->pt) {
+ copy_image_data_to_texture(st, stObj, level, stImage);
+ }
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Returns pointer to a default/dummy texture.
+ * This is typically used when the current shader has tex/sample instructions
+ * but the user has not provided a (any) texture(s).
+ */
+struct gl_texture_object *
+st_get_default_texture(struct st_context *st)
+{
+ if (!st->default_texture) {
+ static const GLenum target = GL_TEXTURE_2D;
+ GLubyte pixels[16][16][4];
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImg;
+ GLuint i, j;
+
+ /* The ARB_fragment_program spec says (0,0,0,1) should be returned
+ * when attempting to sample incomplete textures.
+ */
+ for (i = 0; i < 16; i++) {
+ for (j = 0; j < 16; j++) {
+ pixels[i][j][0] = 0;
+ pixels[i][j][1] = 0;
+ pixels[i][j][2] = 0;
+ pixels[i][j][3] = 255;
+ }
+ }
+
+ texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target);
+
+ texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
+
+ _mesa_init_teximage_fields(st->ctx, target, texImg,
+ 16, 16, 1, 0, /* w, h, d, border */
+ GL_RGBA, MESA_FORMAT_RGBA8888);
+
+ st_TexImage(st->ctx, 2, target,
+ 0, GL_RGBA, /* level, intformat */
+ 16, 16, 1, 0, /* w, h, d, border */
+ GL_RGBA, GL_UNSIGNED_BYTE, pixels,
+ &st->ctx->DefaultPacking,
+ texObj, texImg,
+ 0, 0);
+
+ texObj->MinFilter = GL_NEAREST;
+ texObj->MagFilter = GL_NEAREST;
+ texObj->_Complete = GL_TRUE;
+
+ st->default_texture = texObj;
+ }
+ return st->default_texture;
+}
+
+
+void
+st_init_texture_functions(struct dd_function_table *functions)
+{
+ functions->ChooseTextureFormat = st_ChooseTextureFormat;
+ functions->TexImage1D = st_TexImage1D;
+ functions->TexImage2D = st_TexImage2D;
+ functions->TexImage3D = st_TexImage3D;
+ functions->TexSubImage1D = st_TexSubImage1D;
+ functions->TexSubImage2D = st_TexSubImage2D;
+ functions->TexSubImage3D = st_TexSubImage3D;
+ functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
+ functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
+ functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
+ functions->CopyTexImage1D = st_CopyTexImage1D;
+ functions->CopyTexImage2D = st_CopyTexImage2D;
+ functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
+ functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
+ functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
+ functions->GenerateMipmap = st_generate_mipmap;
+
+ functions->GetTexImage = st_GetTexImage;
+
+ /* compressed texture functions */
+ functions->CompressedTexImage2D = st_CompressedTexImage2D;
+ functions->GetCompressedTexImage = st_GetCompressedTexImage;
+
+ functions->NewTextureObject = st_NewTextureObject;
+ functions->NewTextureImage = st_NewTextureImage;
+ functions->DeleteTexture = st_DeleteTextureObject;
+ functions->FreeTexImageData = st_FreeTextureImageData;
+
+ functions->TextureMemCpy = do_memcpy;
+
+ /* XXX Temporary until we can query pipe's texture sizes */
+ functions->TestProxyTexImage = _mesa_test_proxy_teximage;
+}
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index 564d63483..11ebd067e 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -1,751 +1,759 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/*
- * This file implements the st_draw_vbo() function which is called from
- * Mesa's VBO module. All point/line/triangle rendering is done through
- * this function whether the user called glBegin/End, glDrawArrays,
- * glDrawElements, glEvalMesh, or glCalList, etc.
- *
- * We basically convert the VBO's vertex attribute/array information into
- * Gallium vertex state, bind the vertex buffer objects and call
- * pipe->draw_elements(), pipe->draw_range_elements() or pipe->draw_arrays().
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "main/imports.h"
-#include "main/image.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "program/prog_uniform.h"
-
-#include "vbo/vbo.h"
-
-#include "st_context.h"
-#include "st_atom.h"
-#include "st_cb_bufferobjects.h"
-#include "st_draw.h"
-#include "st_program.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "util/u_format.h"
-#include "util/u_prim.h"
-#include "util/u_draw_quad.h"
-#include "draw/draw_context.h"
-#include "cso_cache/cso_context.h"
-
-
-static GLuint double_types[4] = {
- PIPE_FORMAT_R64_FLOAT,
- PIPE_FORMAT_R64G64_FLOAT,
- PIPE_FORMAT_R64G64B64_FLOAT,
- PIPE_FORMAT_R64G64B64A64_FLOAT
-};
-
-static GLuint float_types[4] = {
- PIPE_FORMAT_R32_FLOAT,
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
-};
-
-static GLuint half_float_types[4] = {
- PIPE_FORMAT_R16_FLOAT,
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R16G16B16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
-};
-
-static GLuint uint_types_norm[4] = {
- PIPE_FORMAT_R32_UNORM,
- PIPE_FORMAT_R32G32_UNORM,
- PIPE_FORMAT_R32G32B32_UNORM,
- PIPE_FORMAT_R32G32B32A32_UNORM
-};
-
-static GLuint uint_types_scale[4] = {
- PIPE_FORMAT_R32_USCALED,
- PIPE_FORMAT_R32G32_USCALED,
- PIPE_FORMAT_R32G32B32_USCALED,
- PIPE_FORMAT_R32G32B32A32_USCALED
-};
-
-static GLuint int_types_norm[4] = {
- PIPE_FORMAT_R32_SNORM,
- PIPE_FORMAT_R32G32_SNORM,
- PIPE_FORMAT_R32G32B32_SNORM,
- PIPE_FORMAT_R32G32B32A32_SNORM
-};
-
-static GLuint int_types_scale[4] = {
- PIPE_FORMAT_R32_SSCALED,
- PIPE_FORMAT_R32G32_SSCALED,
- PIPE_FORMAT_R32G32B32_SSCALED,
- PIPE_FORMAT_R32G32B32A32_SSCALED
-};
-
-static GLuint ushort_types_norm[4] = {
- PIPE_FORMAT_R16_UNORM,
- PIPE_FORMAT_R16G16_UNORM,
- PIPE_FORMAT_R16G16B16_UNORM,
- PIPE_FORMAT_R16G16B16A16_UNORM
-};
-
-static GLuint ushort_types_scale[4] = {
- PIPE_FORMAT_R16_USCALED,
- PIPE_FORMAT_R16G16_USCALED,
- PIPE_FORMAT_R16G16B16_USCALED,
- PIPE_FORMAT_R16G16B16A16_USCALED
-};
-
-static GLuint short_types_norm[4] = {
- PIPE_FORMAT_R16_SNORM,
- PIPE_FORMAT_R16G16_SNORM,
- PIPE_FORMAT_R16G16B16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM
-};
-
-static GLuint short_types_scale[4] = {
- PIPE_FORMAT_R16_SSCALED,
- PIPE_FORMAT_R16G16_SSCALED,
- PIPE_FORMAT_R16G16B16_SSCALED,
- PIPE_FORMAT_R16G16B16A16_SSCALED
-};
-
-static GLuint ubyte_types_norm[4] = {
- PIPE_FORMAT_R8_UNORM,
- PIPE_FORMAT_R8G8_UNORM,
- PIPE_FORMAT_R8G8B8_UNORM,
- PIPE_FORMAT_R8G8B8A8_UNORM
-};
-
-static GLuint ubyte_types_scale[4] = {
- PIPE_FORMAT_R8_USCALED,
- PIPE_FORMAT_R8G8_USCALED,
- PIPE_FORMAT_R8G8B8_USCALED,
- PIPE_FORMAT_R8G8B8A8_USCALED
-};
-
-static GLuint byte_types_norm[4] = {
- PIPE_FORMAT_R8_SNORM,
- PIPE_FORMAT_R8G8_SNORM,
- PIPE_FORMAT_R8G8B8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM
-};
-
-static GLuint byte_types_scale[4] = {
- PIPE_FORMAT_R8_SSCALED,
- PIPE_FORMAT_R8G8_SSCALED,
- PIPE_FORMAT_R8G8B8_SSCALED,
- PIPE_FORMAT_R8G8B8A8_SSCALED
-};
-
-static GLuint fixed_types[4] = {
- PIPE_FORMAT_R32_FIXED,
- PIPE_FORMAT_R32G32_FIXED,
- PIPE_FORMAT_R32G32B32_FIXED,
- PIPE_FORMAT_R32G32B32A32_FIXED
-};
-
-
-
-/**
- * Return a PIPE_FORMAT_x for the given GL datatype and size.
- */
-GLuint
-st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
- GLboolean normalized)
-{
- assert((type >= GL_BYTE && type <= GL_DOUBLE) ||
- type == GL_FIXED || type == GL_HALF_FLOAT);
- assert(size >= 1);
- assert(size <= 4);
- assert(format == GL_RGBA || format == GL_BGRA);
-
- if (format == GL_BGRA) {
- /* this is an odd-ball case */
- assert(type == GL_UNSIGNED_BYTE);
- assert(normalized);
- return PIPE_FORMAT_B8G8R8A8_UNORM;
- }
-
- if (normalized) {
- switch (type) {
- case GL_DOUBLE: return double_types[size-1];
- case GL_FLOAT: return float_types[size-1];
- case GL_HALF_FLOAT: return half_float_types[size-1];
- case GL_INT: return int_types_norm[size-1];
- case GL_SHORT: return short_types_norm[size-1];
- case GL_BYTE: return byte_types_norm[size-1];
- case GL_UNSIGNED_INT: return uint_types_norm[size-1];
- case GL_UNSIGNED_SHORT: return ushort_types_norm[size-1];
- case GL_UNSIGNED_BYTE: return ubyte_types_norm[size-1];
- case GL_FIXED: return fixed_types[size-1];
- default: assert(0); return 0;
- }
- }
- else {
- switch (type) {
- case GL_DOUBLE: return double_types[size-1];
- case GL_FLOAT: return float_types[size-1];
- case GL_HALF_FLOAT: return half_float_types[size-1];
- case GL_INT: return int_types_scale[size-1];
- case GL_SHORT: return short_types_scale[size-1];
- case GL_BYTE: return byte_types_scale[size-1];
- case GL_UNSIGNED_INT: return uint_types_scale[size-1];
- case GL_UNSIGNED_SHORT: return ushort_types_scale[size-1];
- case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1];
- case GL_FIXED: return fixed_types[size-1];
- default: assert(0); return 0;
- }
- }
- return 0; /* silence compiler warning */
-}
-
-
-
-
-
-/**
- * Examine the active arrays to determine if we have interleaved
- * vertex arrays all living in one VBO, or all living in user space.
- * \param userSpace returns whether the arrays are in user space.
- */
-static GLboolean
-is_interleaved_arrays(const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays)
-{
- GLuint attr;
- const struct gl_buffer_object *firstBufObj = NULL;
- GLint firstStride = -1;
- const GLubyte *client_addr = NULL;
-
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj;
- const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */
-
- if (firstStride < 0) {
- firstStride = stride;
- }
- else if (firstStride != stride) {
- return GL_FALSE;
- }
-
- if (!bufObj || !bufObj->Name) {
- /* Try to detect if the client-space arrays are
- * "close" to each other.
- */
- if (!client_addr) {
- client_addr = arrays[mesaAttr]->Ptr;
- }
- else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) {
- /* arrays start too far apart */
- return GL_FALSE;
- }
- }
- else if (!firstBufObj) {
- firstBufObj = bufObj;
- }
- else if (bufObj != firstBufObj) {
- return GL_FALSE;
- }
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Set up for drawing interleaved arrays that all live in one VBO
- * or all live in user space.
- * \param vbuffer returns vertex buffer info
- * \param velements returns vertex element info
- */
-static void
-setup_interleaved_attribs(struct gl_context *ctx,
- const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays,
- struct pipe_vertex_buffer *vbuffer,
- struct pipe_vertex_element velements[],
- unsigned max_index)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- GLuint attr;
- const GLubyte *low_addr = NULL;
-
- /* Find the lowest address. */
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLubyte *start = arrays[vp->index_to_input[attr]]->Ptr;
-
- low_addr = !low_addr ? start : MIN2(low_addr, start);
- }
-
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
- GLsizei stride = arrays[mesaAttr]->StrideB;
-
- if (attr == 0) {
- if (bufobj && bufobj->Name) {
- vbuffer->buffer = NULL;
- pipe_resource_reference(&vbuffer->buffer, stobj->buffer);
- vbuffer->buffer_offset = pointer_to_offset(low_addr);
- } else {
- vbuffer->buffer =
- pipe_user_buffer_create(pipe->screen, (void*)low_addr,
- stride * (max_index + 1),
- PIPE_BIND_VERTEX_BUFFER);
- vbuffer->buffer_offset = 0;
-
- /* Track user vertex buffers. */
- pipe_resource_reference(&st->user_vb[0], vbuffer->buffer);
- st->user_vb_stride[0] = stride;
- st->num_user_vbs = 1;
- }
- vbuffer->stride = stride; /* in bytes */
- }
-
- velements[attr].src_offset =
- (unsigned) (arrays[mesaAttr]->Ptr - low_addr);
- velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
- velements[attr].vertex_buffer_index = 0;
- velements[attr].src_format =
- st_pipe_vertex_format(arrays[mesaAttr]->Type,
- arrays[mesaAttr]->Size,
- arrays[mesaAttr]->Format,
- arrays[mesaAttr]->Normalized);
- assert(velements[attr].src_format);
- }
-}
-
-
-/**
- * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each
- * vertex attribute.
- * \param vbuffer returns vertex buffer info
- * \param velements returns vertex element info
- */
-static void
-setup_non_interleaved_attribs(struct gl_context *ctx,
- const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays,
- struct pipe_vertex_buffer vbuffer[],
- struct pipe_vertex_element velements[],
- unsigned max_index)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- GLuint attr;
-
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
- GLsizei stride = arrays[mesaAttr]->StrideB;
-
- if (bufobj && bufobj->Name) {
- /* Attribute data is in a VBO.
- * Recall that for VBOs, the gl_client_array->Ptr field is
- * really an offset from the start of the VBO, not a pointer.
- */
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
- assert(stobj->buffer);
-
- vbuffer[attr].buffer = NULL;
- pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer);
- vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr);
- }
- else {
- /* wrap user data */
- if (arrays[mesaAttr]->Ptr) {
- vbuffer[attr].buffer =
- pipe_user_buffer_create(pipe->screen,
- (void *) arrays[mesaAttr]->Ptr,
- stride * (max_index + 1),
- PIPE_BIND_VERTEX_BUFFER);
- }
- else {
- /* no array, use ctx->Current.Attrib[] value */
- uint bytes = sizeof(ctx->Current.Attrib[0]);
- vbuffer[attr].buffer =
- pipe_user_buffer_create(pipe->screen,
- (void *) ctx->Current.Attrib[mesaAttr],
- bytes,
- PIPE_BIND_VERTEX_BUFFER);
- stride = 0;
- }
-
- vbuffer[attr].buffer_offset = 0;
-
- /* Track user vertex buffers. */
- pipe_resource_reference(&st->user_vb[attr], vbuffer->buffer);
- st->user_vb_stride[attr] = stride;
- st->num_user_vbs = MAX2(st->num_user_vbs, attr+1);
- }
-
- /* common-case setup */
- vbuffer[attr].stride = stride; /* in bytes */
-
- velements[attr].src_offset = 0;
- velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
- velements[attr].vertex_buffer_index = attr;
- velements[attr].src_format
- = st_pipe_vertex_format(arrays[mesaAttr]->Type,
- arrays[mesaAttr]->Size,
- arrays[mesaAttr]->Format,
- arrays[mesaAttr]->Normalized);
- assert(velements[attr].src_format);
- }
-}
-
-
-static void
-setup_index_buffer(struct gl_context *ctx,
- const struct _mesa_index_buffer *ib,
- struct pipe_index_buffer *ibuffer)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
-
- memset(ibuffer, 0, sizeof(*ibuffer));
- if (ib) {
- struct gl_buffer_object *bufobj = ib->obj;
-
- switch (ib->type) {
- case GL_UNSIGNED_INT:
- ibuffer->index_size = 4;
- break;
- case GL_UNSIGNED_SHORT:
- ibuffer->index_size = 2;
- break;
- case GL_UNSIGNED_BYTE:
- ibuffer->index_size = 1;
- break;
- default:
- assert(0);
- return;
- }
-
- /* get/create the index buffer object */
- if (bufobj && bufobj->Name) {
- /* elements/indexes are in a real VBO */
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
- pipe_resource_reference(&ibuffer->buffer, stobj->buffer);
- ibuffer->offset = pointer_to_offset(ib->ptr);
- }
- else {
- /* element/indicies are in user space memory */
- ibuffer->buffer =
- pipe_user_buffer_create(pipe->screen, (void *) ib->ptr,
- ib->count * ibuffer->index_size,
- PIPE_BIND_INDEX_BUFFER);
- }
- }
-}
-
-/**
- * Prior to drawing, check that any uniforms referenced by the
- * current shader have been set. If a uniform has not been set,
- * issue a warning.
- */
-static void
-check_uniforms(struct gl_context *ctx)
-{
- struct gl_shader_program *shProg[3] = {
- ctx->Shader.CurrentVertexProgram,
- ctx->Shader.CurrentGeometryProgram,
- ctx->Shader.CurrentFragmentProgram,
- };
- unsigned j;
-
- for (j = 0; j < 3; j++) {
- unsigned i;
-
- if (shProg[j] == NULL || !shProg[j]->LinkStatus)
- continue;
-
- for (i = 0; i < shProg[j]->Uniforms->NumUniforms; i++) {
- const struct gl_uniform *u = &shProg[j]->Uniforms->Uniforms[i];
- if (!u->Initialized) {
- _mesa_warning(ctx,
- "Using shader with uninitialized uniform: %s",
- u->Name);
- }
- }
- }
-}
-
-
-/**
- * Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
- * the corresponding Gallium type.
- */
-static unsigned
-translate_prim(const struct gl_context *ctx, unsigned prim)
-{
- /* GL prims should match Gallium prims, spot-check a few */
- assert(GL_POINTS == PIPE_PRIM_POINTS);
- assert(GL_QUADS == PIPE_PRIM_QUADS);
- assert(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
-
- /* Avoid quadstrips if it's easy to do so:
- * Note: it's imporant to do the correct trimming if we change the prim type!
- * We do that wherever this function is called.
- */
- if (prim == GL_QUAD_STRIP &&
- ctx->Light.ShadeModel != GL_FLAT &&
- ctx->Polygon.FrontMode == GL_FILL &&
- ctx->Polygon.BackMode == GL_FILL)
- prim = GL_TRIANGLE_STRIP;
-
- return prim;
-}
-
-
-static void
-st_validate_varrays(struct gl_context *ctx,
- const struct gl_client_array **arrays,
- unsigned max_index)
-{
- struct st_context *st = st_context(ctx);
- const struct st_vertex_program *vp;
- const struct st_vp_variant *vpv;
- struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS];
- struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
- unsigned num_vbuffers, num_velements;
- GLuint attr;
- unsigned i;
-
- /* must get these after state validation! */
- vp = st->vp;
- vpv = st->vp_variant;
-
- memset(velements, 0, sizeof(struct pipe_vertex_element) * vpv->num_inputs);
-
- /* Unreference any user vertex buffers. */
- for (i = 0; i < st->num_user_vbs; i++) {
- pipe_resource_reference(&st->user_vb[i], NULL);
- }
- st->num_user_vbs = 0;
-
- /*
- * Setup the vbuffer[] and velements[] arrays.
- */
- if (is_interleaved_arrays(vp, vpv, arrays)) {
- setup_interleaved_attribs(ctx, vp, vpv, arrays, vbuffer, velements,
- max_index);
- num_vbuffers = 1;
- num_velements = vpv->num_inputs;
- if (num_velements == 0)
- num_vbuffers = 0;
- }
- else {
- setup_non_interleaved_attribs(ctx, vp, vpv, arrays,
- vbuffer, velements, max_index);
- num_vbuffers = vpv->num_inputs;
- num_velements = vpv->num_inputs;
- }
-
- cso_set_vertex_buffers(st->cso_context, num_vbuffers, vbuffer);
- cso_set_vertex_elements(st->cso_context, num_velements, velements);
-
- /* unreference buffers (frees wrapped user-space buffer objects)
- * This is OK, because the pipe driver should reference buffers by itself
- * in set_vertex_buffers. */
- for (attr = 0; attr < num_vbuffers; attr++) {
- pipe_resource_reference(&vbuffer[attr].buffer, NULL);
- assert(!vbuffer[attr].buffer);
- }
-}
-
-
-/**
- * This function gets plugged into the VBO module and is called when
- * we have something to render.
- * Basically, translate the information into the format expected by gallium.
- */
-void
-st_draw_vbo(struct gl_context *ctx,
- const struct gl_client_array **arrays,
- const struct _mesa_prim *prims,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLboolean index_bounds_valid,
- GLuint min_index,
- GLuint max_index)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_index_buffer ibuffer;
- struct pipe_draw_info info;
- unsigned i;
- GLboolean new_array = GL_TRUE;
- /* Fix this (Bug 34378):
- GLboolean new_array =
- st->dirty.st && (st->dirty.mesa & (_NEW_ARRAY | _NEW_PROGRAM)) != 0;*/
-
- /* Mesa core state should have been validated already */
- assert(ctx->NewState == 0x0);
-
- if (ib) {
- /* Gallium probably doesn't want this in some cases. */
- if (!index_bounds_valid)
- if (!vbo_all_varyings_in_vbos(arrays))
- vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index);
- } else {
- /* Get min/max index for non-indexed drawing. */
- min_index = ~0;
- max_index = 0;
-
- for (i = 0; i < nr_prims; i++) {
- min_index = MIN2(min_index, prims[i].start);
- max_index = MAX2(max_index, prims[i].start + prims[i].count - 1);
- }
- }
-
- /* Validate state. */
- if (st->dirty.st) {
- GLboolean vertDataEdgeFlags;
-
- /* sanity check for pointer arithmetic below */
- assert(sizeof(arrays[0]->Ptr[0]) == 1);
-
- vertDataEdgeFlags = arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj &&
- arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj->Name;
- if (vertDataEdgeFlags != st->vertdata_edgeflags) {
- st->vertdata_edgeflags = vertDataEdgeFlags;
- st->dirty.st |= ST_NEW_EDGEFLAGS_DATA;
- }
-
- st_validate_state(st);
-
- if (new_array) {
- st_validate_varrays(ctx, arrays, max_index);
- }
-
-#if 0
- if (MESA_VERBOSE & VERBOSE_GLSL) {
- check_uniforms(ctx);
- }
-#else
- (void) check_uniforms;
-#endif
- }
-
- /* Notify the driver that the content of user buffers may have been
- * changed. */
- if (!new_array && st->num_user_vbs) {
- for (i = 0; i < st->num_user_vbs; i++) {
- if (st->user_vb[i]) {
- unsigned stride = st->user_vb_stride[i];
-
- if (stride) {
- pipe->redefine_user_buffer(pipe, st->user_vb[i],
- min_index * stride,
- (max_index + 1 - min_index) * stride);
- } else {
- /* stride == 0 */
- pipe->redefine_user_buffer(pipe, st->user_vb[i],
- 0, st->user_vb[i]->width0);
- }
- }
- }
- }
-
- setup_index_buffer(ctx, ib, &ibuffer);
- pipe->set_index_buffer(pipe, &ibuffer);
-
- util_draw_init_info(&info);
- if (ib) {
- info.indexed = TRUE;
- if (min_index != ~0 && max_index != ~0) {
- info.min_index = min_index;
- info.max_index = max_index;
- }
- }
-
- info.primitive_restart = st->ctx->Array.PrimitiveRestart;
- info.restart_index = st->ctx->Array.RestartIndex;
-
- /* do actual drawing */
- for (i = 0; i < nr_prims; i++) {
- info.mode = translate_prim( ctx, prims[i].mode );
- info.start = prims[i].start;
- info.count = prims[i].count;
- info.instance_count = prims[i].num_instances;
- info.index_bias = prims[i].basevertex;
- if (!ib) {
- info.min_index = info.start;
- info.max_index = info.start + info.count - 1;
- }
-
- if (u_trim_pipe_prim(info.mode, &info.count))
- pipe->draw_vbo(pipe, &info);
- }
-
- pipe_resource_reference(&ibuffer.buffer, NULL);
-}
-
-
-void st_init_draw( struct st_context *st )
-{
- struct gl_context *ctx = st->ctx;
-
- vbo_set_draw_func(ctx, st_draw_vbo);
-
-#if FEATURE_feedback || FEATURE_rastpos
- st->draw = draw_create(st->pipe); /* for selection/feedback */
-
- /* Disable draw options that might convert points/lines to tris, etc.
- * as that would foul-up feedback/selection mode.
- */
- draw_wide_line_threshold(st->draw, 1000.0f);
- draw_wide_point_threshold(st->draw, 1000.0f);
- draw_enable_line_stipple(st->draw, FALSE);
- draw_enable_point_sprites(st->draw, FALSE);
-#endif
-}
-
-
-void st_destroy_draw( struct st_context *st )
-{
-#if FEATURE_feedback || FEATURE_rastpos
- draw_destroy(st->draw);
-#endif
-}
-
-
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/*
+ * This file implements the st_draw_vbo() function which is called from
+ * Mesa's VBO module. All point/line/triangle rendering is done through
+ * this function whether the user called glBegin/End, glDrawArrays,
+ * glDrawElements, glEvalMesh, or glCalList, etc.
+ *
+ * We basically convert the VBO's vertex attribute/array information into
+ * Gallium vertex state, bind the vertex buffer objects and call
+ * pipe->draw_elements(), pipe->draw_range_elements() or pipe->draw_arrays().
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "main/imports.h"
+#include "main/image.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "program/prog_uniform.h"
+
+#include "vbo/vbo.h"
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_cb_bufferobjects.h"
+#include "st_draw.h"
+#include "st_program.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "util/u_prim.h"
+#include "util/u_draw_quad.h"
+#include "draw/draw_context.h"
+#include "cso_cache/cso_context.h"
+
+
+static GLuint double_types[4] = {
+ PIPE_FORMAT_R64_FLOAT,
+ PIPE_FORMAT_R64G64_FLOAT,
+ PIPE_FORMAT_R64G64B64_FLOAT,
+ PIPE_FORMAT_R64G64B64A64_FLOAT
+};
+
+static GLuint float_types[4] = {
+ PIPE_FORMAT_R32_FLOAT,
+ PIPE_FORMAT_R32G32_FLOAT,
+ PIPE_FORMAT_R32G32B32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+};
+
+static GLuint half_float_types[4] = {
+ PIPE_FORMAT_R16_FLOAT,
+ PIPE_FORMAT_R16G16_FLOAT,
+ PIPE_FORMAT_R16G16B16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+};
+
+static GLuint uint_types_norm[4] = {
+ PIPE_FORMAT_R32_UNORM,
+ PIPE_FORMAT_R32G32_UNORM,
+ PIPE_FORMAT_R32G32B32_UNORM,
+ PIPE_FORMAT_R32G32B32A32_UNORM
+};
+
+static GLuint uint_types_scale[4] = {
+ PIPE_FORMAT_R32_USCALED,
+ PIPE_FORMAT_R32G32_USCALED,
+ PIPE_FORMAT_R32G32B32_USCALED,
+ PIPE_FORMAT_R32G32B32A32_USCALED
+};
+
+static GLuint int_types_norm[4] = {
+ PIPE_FORMAT_R32_SNORM,
+ PIPE_FORMAT_R32G32_SNORM,
+ PIPE_FORMAT_R32G32B32_SNORM,
+ PIPE_FORMAT_R32G32B32A32_SNORM
+};
+
+static GLuint int_types_scale[4] = {
+ PIPE_FORMAT_R32_SSCALED,
+ PIPE_FORMAT_R32G32_SSCALED,
+ PIPE_FORMAT_R32G32B32_SSCALED,
+ PIPE_FORMAT_R32G32B32A32_SSCALED
+};
+
+static GLuint ushort_types_norm[4] = {
+ PIPE_FORMAT_R16_UNORM,
+ PIPE_FORMAT_R16G16_UNORM,
+ PIPE_FORMAT_R16G16B16_UNORM,
+ PIPE_FORMAT_R16G16B16A16_UNORM
+};
+
+static GLuint ushort_types_scale[4] = {
+ PIPE_FORMAT_R16_USCALED,
+ PIPE_FORMAT_R16G16_USCALED,
+ PIPE_FORMAT_R16G16B16_USCALED,
+ PIPE_FORMAT_R16G16B16A16_USCALED
+};
+
+static GLuint short_types_norm[4] = {
+ PIPE_FORMAT_R16_SNORM,
+ PIPE_FORMAT_R16G16_SNORM,
+ PIPE_FORMAT_R16G16B16_SNORM,
+ PIPE_FORMAT_R16G16B16A16_SNORM
+};
+
+static GLuint short_types_scale[4] = {
+ PIPE_FORMAT_R16_SSCALED,
+ PIPE_FORMAT_R16G16_SSCALED,
+ PIPE_FORMAT_R16G16B16_SSCALED,
+ PIPE_FORMAT_R16G16B16A16_SSCALED
+};
+
+static GLuint ubyte_types_norm[4] = {
+ PIPE_FORMAT_R8_UNORM,
+ PIPE_FORMAT_R8G8_UNORM,
+ PIPE_FORMAT_R8G8B8_UNORM,
+ PIPE_FORMAT_R8G8B8A8_UNORM
+};
+
+static GLuint ubyte_types_scale[4] = {
+ PIPE_FORMAT_R8_USCALED,
+ PIPE_FORMAT_R8G8_USCALED,
+ PIPE_FORMAT_R8G8B8_USCALED,
+ PIPE_FORMAT_R8G8B8A8_USCALED
+};
+
+static GLuint byte_types_norm[4] = {
+ PIPE_FORMAT_R8_SNORM,
+ PIPE_FORMAT_R8G8_SNORM,
+ PIPE_FORMAT_R8G8B8_SNORM,
+ PIPE_FORMAT_R8G8B8A8_SNORM
+};
+
+static GLuint byte_types_scale[4] = {
+ PIPE_FORMAT_R8_SSCALED,
+ PIPE_FORMAT_R8G8_SSCALED,
+ PIPE_FORMAT_R8G8B8_SSCALED,
+ PIPE_FORMAT_R8G8B8A8_SSCALED
+};
+
+static GLuint fixed_types[4] = {
+ PIPE_FORMAT_R32_FIXED,
+ PIPE_FORMAT_R32G32_FIXED,
+ PIPE_FORMAT_R32G32B32_FIXED,
+ PIPE_FORMAT_R32G32B32A32_FIXED
+};
+
+
+
+/**
+ * Return a PIPE_FORMAT_x for the given GL datatype and size.
+ */
+GLuint
+st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
+ GLboolean normalized)
+{
+ assert((type >= GL_BYTE && type <= GL_DOUBLE) ||
+ type == GL_FIXED || type == GL_HALF_FLOAT);
+ assert(size >= 1);
+ assert(size <= 4);
+ assert(format == GL_RGBA || format == GL_BGRA);
+
+ if (format == GL_BGRA) {
+ /* this is an odd-ball case */
+ assert(type == GL_UNSIGNED_BYTE);
+ assert(normalized);
+ return PIPE_FORMAT_B8G8R8A8_UNORM;
+ }
+
+ if (normalized) {
+ switch (type) {
+ case GL_DOUBLE: return double_types[size-1];
+ case GL_FLOAT: return float_types[size-1];
+ case GL_HALF_FLOAT: return half_float_types[size-1];
+ case GL_INT: return int_types_norm[size-1];
+ case GL_SHORT: return short_types_norm[size-1];
+ case GL_BYTE: return byte_types_norm[size-1];
+ case GL_UNSIGNED_INT: return uint_types_norm[size-1];
+ case GL_UNSIGNED_SHORT: return ushort_types_norm[size-1];
+ case GL_UNSIGNED_BYTE: return ubyte_types_norm[size-1];
+ case GL_FIXED: return fixed_types[size-1];
+ default: assert(0); return 0;
+ }
+ }
+ else {
+ switch (type) {
+ case GL_DOUBLE: return double_types[size-1];
+ case GL_FLOAT: return float_types[size-1];
+ case GL_HALF_FLOAT: return half_float_types[size-1];
+ case GL_INT: return int_types_scale[size-1];
+ case GL_SHORT: return short_types_scale[size-1];
+ case GL_BYTE: return byte_types_scale[size-1];
+ case GL_UNSIGNED_INT: return uint_types_scale[size-1];
+ case GL_UNSIGNED_SHORT: return ushort_types_scale[size-1];
+ case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1];
+ case GL_FIXED: return fixed_types[size-1];
+ default: assert(0); return 0;
+ }
+ }
+ return 0; /* silence compiler warning */
+}
+
+
+
+
+
+/**
+ * Examine the active arrays to determine if we have interleaved
+ * vertex arrays all living in one VBO, or all living in user space.
+ * \param userSpace returns whether the arrays are in user space.
+ */
+static GLboolean
+is_interleaved_arrays(const struct st_vertex_program *vp,
+ const struct st_vp_variant *vpv,
+ const struct gl_client_array **arrays)
+{
+ GLuint attr;
+ const struct gl_buffer_object *firstBufObj = NULL;
+ GLint firstStride = -1;
+ const GLubyte *client_addr = NULL;
+ GLboolean user_memory;
+
+ for (attr = 0; attr < vpv->num_inputs; attr++) {
+ const GLuint mesaAttr = vp->index_to_input[attr];
+ const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj;
+ const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */
+
+ if (firstStride < 0) {
+ firstStride = stride;
+ user_memory = !bufObj || !bufObj->Name;
+ }
+ else if (firstStride != stride) {
+ return GL_FALSE;
+ }
+
+ if (!bufObj || !bufObj->Name) {
+ /* Try to detect if the client-space arrays are
+ * "close" to each other.
+ */
+ if (!user_memory) {
+ return GL_FALSE;
+ }
+ if (!client_addr) {
+ client_addr = arrays[mesaAttr]->Ptr;
+ }
+ else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) {
+ /* arrays start too far apart */
+ return GL_FALSE;
+ }
+ }
+ else if (!firstBufObj) {
+ if (user_memory) {
+ return GL_FALSE;
+ }
+ firstBufObj = bufObj;
+ }
+ else if (bufObj != firstBufObj) {
+ return GL_FALSE;
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Set up for drawing interleaved arrays that all live in one VBO
+ * or all live in user space.
+ * \param vbuffer returns vertex buffer info
+ * \param velements returns vertex element info
+ */
+static void
+setup_interleaved_attribs(struct gl_context *ctx,
+ const struct st_vertex_program *vp,
+ const struct st_vp_variant *vpv,
+ const struct gl_client_array **arrays,
+ struct pipe_vertex_buffer *vbuffer,
+ struct pipe_vertex_element velements[],
+ unsigned max_index)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ GLuint attr;
+ const GLubyte *low_addr = NULL;
+
+ /* Find the lowest address. */
+ for (attr = 0; attr < vpv->num_inputs; attr++) {
+ const GLubyte *start = arrays[vp->index_to_input[attr]]->Ptr;
+
+ low_addr = !low_addr ? start : MIN2(low_addr, start);
+ }
+
+ for (attr = 0; attr < vpv->num_inputs; attr++) {
+ const GLuint mesaAttr = vp->index_to_input[attr];
+ struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
+ struct st_buffer_object *stobj = st_buffer_object(bufobj);
+ GLsizei stride = arrays[mesaAttr]->StrideB;
+
+ if (attr == 0) {
+ if (bufobj && bufobj->Name) {
+ vbuffer->buffer = NULL;
+ pipe_resource_reference(&vbuffer->buffer, stobj->buffer);
+ vbuffer->buffer_offset = pointer_to_offset(low_addr);
+ } else {
+ vbuffer->buffer =
+ pipe_user_buffer_create(pipe->screen, (void*)low_addr,
+ stride * (max_index + 1),
+ PIPE_BIND_VERTEX_BUFFER);
+ vbuffer->buffer_offset = 0;
+
+ /* Track user vertex buffers. */
+ pipe_resource_reference(&st->user_vb[0], vbuffer->buffer);
+ st->user_vb_stride[0] = stride;
+ st->num_user_vbs = 1;
+ }
+ vbuffer->stride = stride; /* in bytes */
+ }
+
+ velements[attr].src_offset =
+ (unsigned) (arrays[mesaAttr]->Ptr - low_addr);
+ velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
+ velements[attr].vertex_buffer_index = 0;
+ velements[attr].src_format =
+ st_pipe_vertex_format(arrays[mesaAttr]->Type,
+ arrays[mesaAttr]->Size,
+ arrays[mesaAttr]->Format,
+ arrays[mesaAttr]->Normalized);
+ assert(velements[attr].src_format);
+ }
+}
+
+
+/**
+ * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each
+ * vertex attribute.
+ * \param vbuffer returns vertex buffer info
+ * \param velements returns vertex element info
+ */
+static void
+setup_non_interleaved_attribs(struct gl_context *ctx,
+ const struct st_vertex_program *vp,
+ const struct st_vp_variant *vpv,
+ const struct gl_client_array **arrays,
+ struct pipe_vertex_buffer vbuffer[],
+ struct pipe_vertex_element velements[],
+ unsigned max_index)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ GLuint attr;
+
+ for (attr = 0; attr < vpv->num_inputs; attr++) {
+ const GLuint mesaAttr = vp->index_to_input[attr];
+ struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
+ GLsizei stride = arrays[mesaAttr]->StrideB;
+
+ if (bufobj && bufobj->Name) {
+ /* Attribute data is in a VBO.
+ * Recall that for VBOs, the gl_client_array->Ptr field is
+ * really an offset from the start of the VBO, not a pointer.
+ */
+ struct st_buffer_object *stobj = st_buffer_object(bufobj);
+ assert(stobj->buffer);
+
+ vbuffer[attr].buffer = NULL;
+ pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer);
+ vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr);
+ }
+ else {
+ /* wrap user data */
+ if (arrays[mesaAttr]->Ptr) {
+ vbuffer[attr].buffer =
+ pipe_user_buffer_create(pipe->screen,
+ (void *) arrays[mesaAttr]->Ptr,
+ stride * (max_index + 1),
+ PIPE_BIND_VERTEX_BUFFER);
+ }
+ else {
+ /* no array, use ctx->Current.Attrib[] value */
+ uint bytes = sizeof(ctx->Current.Attrib[0]);
+ vbuffer[attr].buffer =
+ pipe_user_buffer_create(pipe->screen,
+ (void *) ctx->Current.Attrib[mesaAttr],
+ bytes,
+ PIPE_BIND_VERTEX_BUFFER);
+ stride = 0;
+ }
+
+ vbuffer[attr].buffer_offset = 0;
+
+ /* Track user vertex buffers. */
+ pipe_resource_reference(&st->user_vb[attr], vbuffer->buffer);
+ st->user_vb_stride[attr] = stride;
+ st->num_user_vbs = MAX2(st->num_user_vbs, attr+1);
+ }
+
+ /* common-case setup */
+ vbuffer[attr].stride = stride; /* in bytes */
+
+ velements[attr].src_offset = 0;
+ velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
+ velements[attr].vertex_buffer_index = attr;
+ velements[attr].src_format
+ = st_pipe_vertex_format(arrays[mesaAttr]->Type,
+ arrays[mesaAttr]->Size,
+ arrays[mesaAttr]->Format,
+ arrays[mesaAttr]->Normalized);
+ assert(velements[attr].src_format);
+ }
+}
+
+
+static void
+setup_index_buffer(struct gl_context *ctx,
+ const struct _mesa_index_buffer *ib,
+ struct pipe_index_buffer *ibuffer)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+
+ memset(ibuffer, 0, sizeof(*ibuffer));
+ if (ib) {
+ struct gl_buffer_object *bufobj = ib->obj;
+
+ switch (ib->type) {
+ case GL_UNSIGNED_INT:
+ ibuffer->index_size = 4;
+ break;
+ case GL_UNSIGNED_SHORT:
+ ibuffer->index_size = 2;
+ break;
+ case GL_UNSIGNED_BYTE:
+ ibuffer->index_size = 1;
+ break;
+ default:
+ assert(0);
+ return;
+ }
+
+ /* get/create the index buffer object */
+ if (bufobj && bufobj->Name) {
+ /* elements/indexes are in a real VBO */
+ struct st_buffer_object *stobj = st_buffer_object(bufobj);
+ pipe_resource_reference(&ibuffer->buffer, stobj->buffer);
+ ibuffer->offset = pointer_to_offset(ib->ptr);
+ }
+ else {
+ /* element/indicies are in user space memory */
+ ibuffer->buffer =
+ pipe_user_buffer_create(pipe->screen, (void *) ib->ptr,
+ ib->count * ibuffer->index_size,
+ PIPE_BIND_INDEX_BUFFER);
+ }
+ }
+}
+
+/**
+ * Prior to drawing, check that any uniforms referenced by the
+ * current shader have been set. If a uniform has not been set,
+ * issue a warning.
+ */
+static void
+check_uniforms(struct gl_context *ctx)
+{
+ struct gl_shader_program *shProg[3] = {
+ ctx->Shader.CurrentVertexProgram,
+ ctx->Shader.CurrentGeometryProgram,
+ ctx->Shader.CurrentFragmentProgram,
+ };
+ unsigned j;
+
+ for (j = 0; j < 3; j++) {
+ unsigned i;
+
+ if (shProg[j] == NULL || !shProg[j]->LinkStatus)
+ continue;
+
+ for (i = 0; i < shProg[j]->Uniforms->NumUniforms; i++) {
+ const struct gl_uniform *u = &shProg[j]->Uniforms->Uniforms[i];
+ if (!u->Initialized) {
+ _mesa_warning(ctx,
+ "Using shader with uninitialized uniform: %s",
+ u->Name);
+ }
+ }
+ }
+}
+
+
+/**
+ * Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
+ * the corresponding Gallium type.
+ */
+static unsigned
+translate_prim(const struct gl_context *ctx, unsigned prim)
+{
+ /* GL prims should match Gallium prims, spot-check a few */
+ assert(GL_POINTS == PIPE_PRIM_POINTS);
+ assert(GL_QUADS == PIPE_PRIM_QUADS);
+ assert(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
+
+ /* Avoid quadstrips if it's easy to do so:
+ * Note: it's imporant to do the correct trimming if we change the prim type!
+ * We do that wherever this function is called.
+ */
+ if (prim == GL_QUAD_STRIP &&
+ ctx->Light.ShadeModel != GL_FLAT &&
+ ctx->Polygon.FrontMode == GL_FILL &&
+ ctx->Polygon.BackMode == GL_FILL)
+ prim = GL_TRIANGLE_STRIP;
+
+ return prim;
+}
+
+
+static void
+st_validate_varrays(struct gl_context *ctx,
+ const struct gl_client_array **arrays,
+ unsigned max_index)
+{
+ struct st_context *st = st_context(ctx);
+ const struct st_vertex_program *vp;
+ const struct st_vp_variant *vpv;
+ struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS];
+ struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
+ unsigned num_vbuffers, num_velements;
+ GLuint attr;
+ unsigned i;
+
+ /* must get these after state validation! */
+ vp = st->vp;
+ vpv = st->vp_variant;
+
+ memset(velements, 0, sizeof(struct pipe_vertex_element) * vpv->num_inputs);
+
+ /* Unreference any user vertex buffers. */
+ for (i = 0; i < st->num_user_vbs; i++) {
+ pipe_resource_reference(&st->user_vb[i], NULL);
+ }
+ st->num_user_vbs = 0;
+
+ /*
+ * Setup the vbuffer[] and velements[] arrays.
+ */
+ if (is_interleaved_arrays(vp, vpv, arrays)) {
+ setup_interleaved_attribs(ctx, vp, vpv, arrays, vbuffer, velements,
+ max_index);
+ num_vbuffers = 1;
+ num_velements = vpv->num_inputs;
+ if (num_velements == 0)
+ num_vbuffers = 0;
+ }
+ else {
+ setup_non_interleaved_attribs(ctx, vp, vpv, arrays,
+ vbuffer, velements, max_index);
+ num_vbuffers = vpv->num_inputs;
+ num_velements = vpv->num_inputs;
+ }
+
+ cso_set_vertex_buffers(st->cso_context, num_vbuffers, vbuffer);
+ cso_set_vertex_elements(st->cso_context, num_velements, velements);
+
+ /* unreference buffers (frees wrapped user-space buffer objects)
+ * This is OK, because the pipe driver should reference buffers by itself
+ * in set_vertex_buffers. */
+ for (attr = 0; attr < num_vbuffers; attr++) {
+ pipe_resource_reference(&vbuffer[attr].buffer, NULL);
+ assert(!vbuffer[attr].buffer);
+ }
+}
+
+
+/**
+ * This function gets plugged into the VBO module and is called when
+ * we have something to render.
+ * Basically, translate the information into the format expected by gallium.
+ */
+void
+st_draw_vbo(struct gl_context *ctx,
+ const struct gl_client_array **arrays,
+ const struct _mesa_prim *prims,
+ GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLboolean index_bounds_valid,
+ GLuint min_index,
+ GLuint max_index)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_index_buffer ibuffer;
+ struct pipe_draw_info info;
+ unsigned i;
+ GLboolean new_array = GL_TRUE;
+ /* Fix this (Bug 34378):
+ GLboolean new_array =
+ st->dirty.st && (st->dirty.mesa & (_NEW_ARRAY | _NEW_PROGRAM)) != 0;*/
+
+ /* Mesa core state should have been validated already */
+ assert(ctx->NewState == 0x0);
+
+ if (ib) {
+ /* Gallium probably doesn't want this in some cases. */
+ if (!index_bounds_valid)
+ if (!vbo_all_varyings_in_vbos(arrays))
+ vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index);
+ } else {
+ /* Get min/max index for non-indexed drawing. */
+ min_index = ~0;
+ max_index = 0;
+
+ for (i = 0; i < nr_prims; i++) {
+ min_index = MIN2(min_index, prims[i].start);
+ max_index = MAX2(max_index, prims[i].start + prims[i].count - 1);
+ }
+ }
+
+ /* Validate state. */
+ if (st->dirty.st) {
+ GLboolean vertDataEdgeFlags;
+
+ /* sanity check for pointer arithmetic below */
+ assert(sizeof(arrays[0]->Ptr[0]) == 1);
+
+ vertDataEdgeFlags = arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj &&
+ arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj->Name;
+ if (vertDataEdgeFlags != st->vertdata_edgeflags) {
+ st->vertdata_edgeflags = vertDataEdgeFlags;
+ st->dirty.st |= ST_NEW_EDGEFLAGS_DATA;
+ }
+
+ st_validate_state(st);
+
+ if (new_array) {
+ st_validate_varrays(ctx, arrays, max_index);
+ }
+
+#if 0
+ if (MESA_VERBOSE & VERBOSE_GLSL) {
+ check_uniforms(ctx);
+ }
+#else
+ (void) check_uniforms;
+#endif
+ }
+
+ /* Notify the driver that the content of user buffers may have been
+ * changed. */
+ if (!new_array && st->num_user_vbs) {
+ for (i = 0; i < st->num_user_vbs; i++) {
+ if (st->user_vb[i]) {
+ unsigned stride = st->user_vb_stride[i];
+
+ if (stride) {
+ pipe->redefine_user_buffer(pipe, st->user_vb[i],
+ min_index * stride,
+ (max_index + 1 - min_index) * stride);
+ } else {
+ /* stride == 0 */
+ pipe->redefine_user_buffer(pipe, st->user_vb[i],
+ 0, st->user_vb[i]->width0);
+ }
+ }
+ }
+ }
+
+ setup_index_buffer(ctx, ib, &ibuffer);
+ pipe->set_index_buffer(pipe, &ibuffer);
+
+ util_draw_init_info(&info);
+ if (ib) {
+ info.indexed = TRUE;
+ if (min_index != ~0 && max_index != ~0) {
+ info.min_index = min_index;
+ info.max_index = max_index;
+ }
+ }
+
+ info.primitive_restart = st->ctx->Array.PrimitiveRestart;
+ info.restart_index = st->ctx->Array.RestartIndex;
+
+ /* do actual drawing */
+ for (i = 0; i < nr_prims; i++) {
+ info.mode = translate_prim( ctx, prims[i].mode );
+ info.start = prims[i].start;
+ info.count = prims[i].count;
+ info.instance_count = prims[i].num_instances;
+ info.index_bias = prims[i].basevertex;
+ if (!ib) {
+ info.min_index = info.start;
+ info.max_index = info.start + info.count - 1;
+ }
+
+ if (u_trim_pipe_prim(info.mode, &info.count))
+ pipe->draw_vbo(pipe, &info);
+ }
+
+ pipe_resource_reference(&ibuffer.buffer, NULL);
+}
+
+
+void st_init_draw( struct st_context *st )
+{
+ struct gl_context *ctx = st->ctx;
+
+ vbo_set_draw_func(ctx, st_draw_vbo);
+
+#if FEATURE_feedback || FEATURE_rastpos
+ st->draw = draw_create(st->pipe); /* for selection/feedback */
+
+ /* Disable draw options that might convert points/lines to tris, etc.
+ * as that would foul-up feedback/selection mode.
+ */
+ draw_wide_line_threshold(st->draw, 1000.0f);
+ draw_wide_point_threshold(st->draw, 1000.0f);
+ draw_enable_line_stipple(st->draw, FALSE);
+ draw_enable_point_sprites(st->draw, FALSE);
+#endif
+}
+
+
+void st_destroy_draw( struct st_context *st )
+{
+#if FEATURE_feedback || FEATURE_rastpos
+ draw_destroy(st->draw);
+#endif
+}
+
+
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index a532e089c..577ee6189 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -113,12 +113,9 @@ st_format_datatype(enum pipe_format format)
return GL_UNSIGNED_SHORT;
}
else {
- /* compressed format? */
- assert(0);
+ /* probably a compressed format, unsupported anyway */
+ return GL_NONE;
}
-
- assert(0);
- return GL_NONE;
}
@@ -1098,3 +1095,55 @@ st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
return GL_FALSE;
}
+
+
+
+/**
+ * This is used for translating texture border color and the clear
+ * color. For example, the clear color is interpreted according to
+ * the renderbuffer's base format. For example, if clearing a
+ * GL_LUMINANCE buffer, ClearColor[0] = luminance and ClearColor[1] =
+ * alpha. Similarly for texture border colors.
+ */
+void
+st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
+ GLfloat colorOut[4])
+{
+ switch (baseFormat) {
+ case GL_RED:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = 0.0F;
+ colorOut[2] = 0.0F;
+ colorOut[3] = 1.0F;
+ break;
+ case GL_RG:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = colorIn[1];
+ colorOut[2] = 0.0F;
+ colorOut[3] = 1.0F;
+ break;
+ case GL_RGB:
+ colorOut[0] = colorIn[0];
+ colorOut[1] = colorIn[1];
+ colorOut[2] = colorIn[2];
+ colorOut[3] = 1.0F;
+ break;
+ case GL_ALPHA:
+ colorOut[0] = colorOut[1] = colorOut[2] = 0.0;
+ colorOut[3] = colorIn[3];
+ break;
+ case GL_LUMINANCE:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+ colorOut[3] = 1.0;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0];
+ colorOut[3] = colorIn[3];
+ break;
+ case GL_INTENSITY:
+ colorOut[0] = colorOut[1] = colorOut[2] = colorOut[3] = colorIn[0];
+ break;
+ default:
+ COPY_4V(colorOut, colorIn);
+ }
+}
diff --git a/mesalib/src/mesa/state_tracker/st_format.h b/mesalib/src/mesa/state_tracker/st_format.h
index ffcaf402a..0fb570f6e 100644
--- a/mesalib/src/mesa/state_tracker/st_format.h
+++ b/mesalib/src/mesa/state_tracker/st_format.h
@@ -1,80 +1,86 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * Copyright (c) 2010 VMware, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-
-#ifndef ST_FORMAT_H
-#define ST_FORMAT_H
-
-#include "main/formats.h"
-#include "main/glheader.h"
-
-#include "pipe/p_defines.h"
-#include "pipe/p_format.h"
-
-struct gl_context;
-struct pipe_screen;
-
-extern GLenum
-st_format_datatype(enum pipe_format format);
-
-
-extern enum pipe_format
-st_mesa_format_to_pipe_format(gl_format mesaFormat);
-
-extern gl_format
-st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
-
-
-extern enum pipe_format
-st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
- enum pipe_texture_target target, unsigned sample_count,
- unsigned tex_usage);
-
-extern enum pipe_format
-st_choose_renderbuffer_format(struct pipe_screen *screen,
- GLenum internalFormat, unsigned sample_count);
-
-
-gl_format
-st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
- GLenum format, GLenum type, GLboolean renderable);
-
-extern gl_format
-st_ChooseTextureFormat(struct gl_context * ctx, GLint internalFormat,
- GLenum format, GLenum type);
-
-
-extern GLboolean
-st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type);
-
-/* can we use a sampler view to translate these formats
- only used to make TFP so far */
-extern GLboolean
-st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
-
-#endif /* ST_FORMAT_H */
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright (c) 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef ST_FORMAT_H
+#define ST_FORMAT_H
+
+#include "main/formats.h"
+#include "main/glheader.h"
+
+#include "pipe/p_defines.h"
+#include "pipe/p_format.h"
+
+struct gl_context;
+struct pipe_screen;
+
+extern GLenum
+st_format_datatype(enum pipe_format format);
+
+
+extern enum pipe_format
+st_mesa_format_to_pipe_format(gl_format mesaFormat);
+
+extern gl_format
+st_pipe_format_to_mesa_format(enum pipe_format pipeFormat);
+
+
+extern enum pipe_format
+st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
+ enum pipe_texture_target target, unsigned sample_count,
+ unsigned tex_usage);
+
+extern enum pipe_format
+st_choose_renderbuffer_format(struct pipe_screen *screen,
+ GLenum internalFormat, unsigned sample_count);
+
+
+gl_format
+st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
+ GLenum format, GLenum type, GLboolean renderable);
+
+extern gl_format
+st_ChooseTextureFormat(struct gl_context * ctx, GLint internalFormat,
+ GLenum format, GLenum type);
+
+
+extern GLboolean
+st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type);
+
+/* can we use a sampler view to translate these formats
+ only used to make TFP so far */
+extern GLboolean
+st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2);
+
+
+extern void
+st_translate_color(const GLfloat colorIn[4], GLenum baseFormat,
+ GLfloat colorOut[4]);
+
+
+#endif /* ST_FORMAT_H */
diff --git a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
index 18eb3be68..4bf682808 100644
--- a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
@@ -336,6 +336,11 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
if (lastLevel == 0)
return;
+ /* The texture isn't in a "complete" state yet so set the expected
+ * lastLevel here, since it won't get done in st_finalize_texture().
+ */
+ stObj->lastLevel = lastLevel;
+
if (pt->last_level < lastLevel) {
/* The current gallium texture doesn't have space for all the
* mipmap levels we need to generate. So allocate a new texture.
@@ -353,11 +358,6 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
oldTex->array_size,
oldTex->bind);
- /* The texture isn't in a "complete" state yet so set the expected
- * lastLevel here, since it won't get done in st_finalize_texture().
- */
- stObj->lastLevel = lastLevel;
-
/* This will copy the old texture's base image into the new texture
* which we just allocated.
*/
@@ -366,8 +366,6 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
/* release the old tex (will likely be freed too) */
pipe_resource_reference(&oldTex, NULL);
pipe_sampler_view_reference(&stObj->sampler_view, NULL);
-
- pt = stObj->pt;
}
else {
/* Make sure that the base texture image data is present in the
@@ -376,6 +374,8 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
st_finalize_texture(ctx, st->pipe, texObj);
}
+ pt = stObj->pt;
+
assert(pt->last_level >= lastLevel);
/* Try to generate the mipmap by rendering/texturing. If that fails,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 23:23:37 +0000