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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_texture.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_texture.c636
1 files changed, 324 insertions, 312 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_texture.c b/mesalib/src/mesa/state_tracker/st_atom_texture.c
index b98953b7b..fd03669e6 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_texture.c
@@ -1,312 +1,324 @@
-/**************************************************************************
- *
- * 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 "program/prog_instruction.h"
-
-#include "st_context.h"
-#include "st_atom.h"
-#include "st_texture.h"
-#include "st_format.h"
-#include "st_cb_texture.h"
-#include "pipe/p_context.h"
-#include "util/u_format.h"
-#include "util/u_inlines.h"
-#include "cso_cache/cso_context.h"
-
-/**
- * Combine depth texture mode with "swizzle" so that depth mode swizzling
- * takes place before texture swizzling, and return the resulting swizzle.
- * If the format is not a depth format, return "swizzle" unchanged.
- *
- * \param format PIPE_FORMAT_*.
- * \param swizzle Texture swizzle, a bitmask computed using MAKE_SWIZZLE4.
- * \param depthmode One of GL_LUMINANCE, GL_INTENSITY, GL_ALPHA, GL_RED.
- */
-static GLuint apply_depthmode(enum pipe_format format,
- GLuint swizzle, GLenum depthmode)
-{
- const struct util_format_description *desc =
- util_format_description(format);
- unsigned char swiz[4];
- unsigned i;
-
- if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS ||
- desc->swizzle[0] == UTIL_FORMAT_SWIZZLE_NONE) {
- /* Not a depth format. */
- return swizzle;
- }
-
- for (i = 0; i < 4; i++)
- swiz[i] = GET_SWZ(swizzle, i);
-
- switch (depthmode) {
- case GL_LUMINANCE:
- /* Rewrite reads from W to ONE, and reads from XYZ to XXX. */
- for (i = 0; i < 4; i++)
- if (swiz[i] == SWIZZLE_W)
- swiz[i] = SWIZZLE_ONE;
- else if (swiz[i] < SWIZZLE_W)
- swiz[i] = SWIZZLE_X;
- break;
-
- case GL_INTENSITY:
- /* Rewrite reads from XYZW to XXXX. */
- for (i = 0; i < 4; i++)
- if (swiz[i] <= SWIZZLE_W)
- swiz[i] = SWIZZLE_X;
- break;
-
- case GL_ALPHA:
- /* Rewrite reads from W to X, and reads from XYZ to 000. */
- for (i = 0; i < 4; i++)
- if (swiz[i] == SWIZZLE_W)
- swiz[i] = SWIZZLE_X;
- else if (swiz[i] < SWIZZLE_W)
- swiz[i] = SWIZZLE_ZERO;
- break;
- case GL_RED:
- /* Rewrite reads W to 1, XYZ to X00 */
- for (i = 0; i < 4; i++)
- if (swiz[i] == SWIZZLE_W)
- swiz[i] = SWIZZLE_ONE;
- else if (swiz[i] == SWIZZLE_Y || swiz[i] == SWIZZLE_Z)
- swiz[i] = SWIZZLE_ZERO;
- break;
- }
-
- return MAKE_SWIZZLE4(swiz[0], swiz[1], swiz[2], swiz[3]);
-}
-
-/**
- * Return TRUE if the swizzling described by "swizzle" and
- * "depthmode" (for depth textures only) is different from the swizzling
- * set in the given sampler view.
- *
- * \param sv A sampler view.
- * \param swizzle Texture swizzle, a bitmask computed using MAKE_SWIZZLE4.
- * \param depthmode One of GL_LUMINANCE, GL_INTENSITY, GL_ALPHA.
- */
-static boolean check_sampler_swizzle(struct pipe_sampler_view *sv,
- GLuint swizzle, GLenum depthmode)
-{
- swizzle = apply_depthmode(sv->texture->format, swizzle, depthmode);
-
- if ((sv->swizzle_r != GET_SWZ(swizzle, 0)) ||
- (sv->swizzle_g != GET_SWZ(swizzle, 1)) ||
- (sv->swizzle_b != GET_SWZ(swizzle, 2)) ||
- (sv->swizzle_a != GET_SWZ(swizzle, 3)))
- return true;
- return false;
-}
-
-static INLINE struct pipe_sampler_view *
-st_create_texture_sampler_view_from_stobj(struct pipe_context *pipe,
- struct st_texture_object *stObj,
- enum pipe_format format)
-
-{
- struct pipe_sampler_view templ;
- GLuint swizzle = apply_depthmode(stObj->pt->format,
- stObj->base._Swizzle,
- stObj->base.DepthMode);
-
- u_sampler_view_default_template(&templ,
- stObj->pt,
- format);
-
- if (swizzle != SWIZZLE_NOOP) {
- templ.swizzle_r = GET_SWZ(swizzle, 0);
- templ.swizzle_g = GET_SWZ(swizzle, 1);
- templ.swizzle_b = GET_SWZ(swizzle, 2);
- templ.swizzle_a = GET_SWZ(swizzle, 3);
- }
-
- return pipe->create_sampler_view(pipe, stObj->pt, &templ);
-}
-
-
-static INLINE struct pipe_sampler_view *
-st_get_texture_sampler_view_from_stobj(struct st_texture_object *stObj,
- struct pipe_context *pipe,
- enum pipe_format format)
-
-{
- if (!stObj || !stObj->pt) {
- return NULL;
- }
-
- if (!stObj->sampler_view) {
- stObj->sampler_view = st_create_texture_sampler_view_from_stobj(pipe, stObj, format);
- }
-
- return stObj->sampler_view;
-}
-
-static void
-update_textures(struct st_context *st)
-{
- struct pipe_context *pipe = st->pipe;
- 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_textures = 0;
-
- /* loop over sampler units (aka tex image units) */
- for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) {
- struct pipe_sampler_view *sampler_view = NULL;
- enum pipe_format st_view_format;
- if (samplersUsed & (1 << su)) {
- struct gl_texture_object *texObj;
- struct st_texture_object *stObj;
- GLboolean retval;
- 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);
- }
- stObj = st_texture_object(texObj);
-
- retval = st_finalize_texture(st->ctx, st->pipe, texObj);
- if (!retval) {
- /* out of mem */
- continue;
- }
-
- st_view_format = stObj->pt->format;
- {
- struct st_texture_image *firstImage;
- enum pipe_format firstImageFormat;
- firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
-
- firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
- if ((stObj->base.sRGBDecode == GL_SKIP_DECODE_EXT) && (_mesa_get_format_color_encoding(firstImage->base.TexFormat) == GL_SRGB)) {
- firstImageFormat = st_mesa_format_to_pipe_format(_mesa_get_srgb_format_linear(firstImage->base.TexFormat));
- }
-
- if (firstImageFormat != stObj->pt->format)
- st_view_format = firstImageFormat;
-
- }
- st->state.num_textures = su + 1;
-
- /* if sampler view has changed dereference it */
- if (stObj->sampler_view)
- if (check_sampler_swizzle(stObj->sampler_view,
- stObj->base._Swizzle,
- stObj->base.DepthMode) ||
- (st_view_format != stObj->sampler_view->format))
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
-
- sampler_view = st_get_texture_sampler_view_from_stobj(stObj, pipe, st_view_format);
- }
- pipe_sampler_view_reference(&st->state.sampler_views[su], sampler_view);
- }
-
- cso_set_fragment_sampler_views(st->cso_context,
- st->state.num_textures,
- st->state.sampler_views);
- if (st->ctx->Const.MaxVertexTextureImageUnits > 0) {
- cso_set_vertex_sampler_views(st->cso_context,
- MIN2(st->state.num_textures,
- st->ctx->Const.MaxVertexTextureImageUnits),
- st->state.sampler_views);
- }
-}
-
-
-const struct st_tracked_state st_update_texture = {
- "st_update_texture", /* name */
- { /* dirty */
- _NEW_TEXTURE, /* mesa */
- ST_NEW_FRAGMENT_PROGRAM, /* st */
- },
- update_textures /* update */
-};
-
-
-
-
-static void
-finalize_textures(struct st_context *st)
-{
- struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
- const GLboolean prev_missing_textures = st->missing_textures;
- GLuint su;
-
- st->missing_textures = GL_FALSE;
-
- for (su = 0; su < st->ctx->Const.MaxTextureCoordUnits; su++) {
- if (fprog->Base.SamplersUsed & (1 << su)) {
- const GLuint texUnit = fprog->Base.SamplerUnits[su];
- struct gl_texture_object *texObj
- = st->ctx->Texture.Unit[texUnit]._Current;
-
- if (texObj) {
- GLboolean retval;
-
- retval = st_finalize_texture(st->ctx, st->pipe, texObj);
- if (!retval) {
- /* out of mem */
- st->missing_textures = GL_TRUE;
- continue;
- }
- }
- }
- }
-
- if (prev_missing_textures != st->missing_textures)
- st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
-}
-
-
-
-const struct st_tracked_state st_finalize_textures = {
- "st_finalize_textures", /* name */
- { /* dirty */
- _NEW_TEXTURE, /* mesa */
- 0, /* st */
- },
- finalize_textures /* 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 "program/prog_instruction.h"
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_texture.h"
+#include "st_format.h"
+#include "st_cb_texture.h"
+#include "pipe/p_context.h"
+#include "util/u_format.h"
+#include "util/u_inlines.h"
+#include "cso_cache/cso_context.h"
+
+
+/**
+ * Combine depth texture mode with "swizzle" so that depth mode swizzling
+ * takes place before texture swizzling, and return the resulting swizzle.
+ * If the format is not a depth format, return "swizzle" unchanged.
+ *
+ * \param format PIPE_FORMAT_*.
+ * \param swizzle Texture swizzle, a bitmask computed using MAKE_SWIZZLE4.
+ * \param depthmode One of GL_LUMINANCE, GL_INTENSITY, GL_ALPHA, GL_RED.
+ */
+static GLuint
+apply_depthmode(enum pipe_format format, GLuint swizzle, GLenum depthmode)
+{
+ const struct util_format_description *desc =
+ util_format_description(format);
+ unsigned char swiz[4];
+ unsigned i;
+
+ if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS ||
+ desc->swizzle[0] == UTIL_FORMAT_SWIZZLE_NONE) {
+ /* Not a depth format. */
+ return swizzle;
+ }
+
+ for (i = 0; i < 4; i++)
+ swiz[i] = GET_SWZ(swizzle, i);
+
+ switch (depthmode) {
+ case GL_LUMINANCE:
+ /* Rewrite reads from W to ONE, and reads from XYZ to XXX. */
+ for (i = 0; i < 4; i++)
+ if (swiz[i] == SWIZZLE_W)
+ swiz[i] = SWIZZLE_ONE;
+ else if (swiz[i] < SWIZZLE_W)
+ swiz[i] = SWIZZLE_X;
+ break;
+
+ case GL_INTENSITY:
+ /* Rewrite reads from XYZW to XXXX. */
+ for (i = 0; i < 4; i++)
+ if (swiz[i] <= SWIZZLE_W)
+ swiz[i] = SWIZZLE_X;
+ break;
+
+ case GL_ALPHA:
+ /* Rewrite reads from W to X, and reads from XYZ to 000. */
+ for (i = 0; i < 4; i++)
+ if (swiz[i] == SWIZZLE_W)
+ swiz[i] = SWIZZLE_X;
+ else if (swiz[i] < SWIZZLE_W)
+ swiz[i] = SWIZZLE_ZERO;
+ break;
+ case GL_RED:
+ /* Rewrite reads W to 1, XYZ to X00 */
+ for (i = 0; i < 4; i++)
+ if (swiz[i] == SWIZZLE_W)
+ swiz[i] = SWIZZLE_ONE;
+ else if (swiz[i] == SWIZZLE_Y || swiz[i] == SWIZZLE_Z)
+ swiz[i] = SWIZZLE_ZERO;
+ break;
+ }
+
+ return MAKE_SWIZZLE4(swiz[0], swiz[1], swiz[2], swiz[3]);
+}
+
+
+/**
+ * Return TRUE if the swizzling described by "swizzle" and
+ * "depthmode" (for depth textures only) is different from the swizzling
+ * set in the given sampler view.
+ *
+ * \param sv A sampler view.
+ * \param swizzle Texture swizzle, a bitmask computed using MAKE_SWIZZLE4.
+ * \param depthmode One of GL_LUMINANCE, GL_INTENSITY, GL_ALPHA.
+ */
+static boolean
+check_sampler_swizzle(struct pipe_sampler_view *sv,
+ GLuint swizzle, GLenum depthmode)
+{
+ swizzle = apply_depthmode(sv->texture->format, swizzle, depthmode);
+
+ if ((sv->swizzle_r != GET_SWZ(swizzle, 0)) ||
+ (sv->swizzle_g != GET_SWZ(swizzle, 1)) ||
+ (sv->swizzle_b != GET_SWZ(swizzle, 2)) ||
+ (sv->swizzle_a != GET_SWZ(swizzle, 3)))
+ return TRUE;
+ return FALSE;
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_create_texture_sampler_view_from_stobj(struct pipe_context *pipe,
+ struct st_texture_object *stObj,
+ enum pipe_format format)
+{
+ struct pipe_sampler_view templ;
+ GLuint swizzle = apply_depthmode(stObj->pt->format,
+ stObj->base._Swizzle,
+ stObj->base.DepthMode);
+
+ u_sampler_view_default_template(&templ,
+ stObj->pt,
+ format);
+
+ if (swizzle != SWIZZLE_NOOP) {
+ templ.swizzle_r = GET_SWZ(swizzle, 0);
+ templ.swizzle_g = GET_SWZ(swizzle, 1);
+ templ.swizzle_b = GET_SWZ(swizzle, 2);
+ templ.swizzle_a = GET_SWZ(swizzle, 3);
+ }
+
+ return pipe->create_sampler_view(pipe, stObj->pt, &templ);
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_get_texture_sampler_view_from_stobj(struct st_texture_object *stObj,
+ struct pipe_context *pipe,
+ enum pipe_format format)
+{
+ if (!stObj || !stObj->pt) {
+ return NULL;
+ }
+
+ if (!stObj->sampler_view) {
+ stObj->sampler_view =
+ st_create_texture_sampler_view_from_stobj(pipe, stObj, format);
+ }
+
+ return stObj->sampler_view;
+}
+
+
+static void
+update_textures(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ 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_textures = 0;
+
+ /* loop over sampler units (aka tex image units) */
+ for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) {
+ struct pipe_sampler_view *sampler_view = NULL;
+ enum pipe_format st_view_format;
+ if (samplersUsed & (1 << su)) {
+ struct gl_texture_object *texObj;
+ struct st_texture_object *stObj;
+ GLboolean retval;
+ 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);
+ }
+ stObj = st_texture_object(texObj);
+
+ retval = st_finalize_texture(st->ctx, st->pipe, texObj);
+ if (!retval) {
+ /* out of mem */
+ continue;
+ }
+
+ /* Determine the format of the texture sampler view */
+ st_view_format = stObj->pt->format;
+ {
+ const struct st_texture_image *firstImage =
+ st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
+ const gl_format texFormat = firstImage->base.TexFormat;
+ enum pipe_format firstImageFormat =
+ st_mesa_format_to_pipe_format(texFormat);
+
+ if ((stObj->base.sRGBDecode == GL_SKIP_DECODE_EXT) &&
+ (_mesa_get_format_color_encoding(texFormat) == GL_SRGB)) {
+ /* don't do sRGB->RGB conversion. Interpret the texture
+ * texture data as linear values.
+ */
+ const gl_format linearFormat =
+ _mesa_get_srgb_format_linear(texFormat);
+ firstImageFormat = st_mesa_format_to_pipe_format(linearFormat);
+ }
+
+ if (firstImageFormat != stObj->pt->format)
+ st_view_format = firstImageFormat;
+ }
+
+ st->state.num_textures = su + 1;
+
+ /* if sampler view has changed dereference it */
+ if (stObj->sampler_view)
+ if (check_sampler_swizzle(stObj->sampler_view,
+ stObj->base._Swizzle,
+ stObj->base.DepthMode) ||
+ (st_view_format != stObj->sampler_view->format))
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+
+ sampler_view = st_get_texture_sampler_view_from_stobj(stObj, pipe, st_view_format);
+ }
+ pipe_sampler_view_reference(&st->state.sampler_views[su], sampler_view);
+ }
+
+ cso_set_fragment_sampler_views(st->cso_context,
+ st->state.num_textures,
+ st->state.sampler_views);
+ if (st->ctx->Const.MaxVertexTextureImageUnits > 0) {
+ cso_set_vertex_sampler_views(st->cso_context,
+ MIN2(st->state.num_textures,
+ st->ctx->Const.MaxVertexTextureImageUnits),
+ st->state.sampler_views);
+ }
+}
+
+
+const struct st_tracked_state st_update_texture = {
+ "st_update_texture", /* name */
+ { /* dirty */
+ _NEW_TEXTURE, /* mesa */
+ ST_NEW_FRAGMENT_PROGRAM, /* st */
+ },
+ update_textures /* update */
+};
+
+
+
+
+static void
+finalize_textures(struct st_context *st)
+{
+ struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
+ const GLboolean prev_missing_textures = st->missing_textures;
+ GLuint su;
+
+ st->missing_textures = GL_FALSE;
+
+ for (su = 0; su < st->ctx->Const.MaxTextureCoordUnits; su++) {
+ if (fprog->Base.SamplersUsed & (1 << su)) {
+ const GLuint texUnit = fprog->Base.SamplerUnits[su];
+ struct gl_texture_object *texObj
+ = st->ctx->Texture.Unit[texUnit]._Current;
+
+ if (texObj) {
+ GLboolean retval;
+
+ retval = st_finalize_texture(st->ctx, st->pipe, texObj);
+ if (!retval) {
+ /* out of mem */
+ st->missing_textures = GL_TRUE;
+ continue;
+ }
+ }
+ }
+ }
+
+ if (prev_missing_textures != st->missing_textures)
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+}
+
+
+
+const struct st_tracked_state st_finalize_textures = {
+ "st_finalize_textures", /* name */
+ { /* dirty */
+ _NEW_TEXTURE, /* mesa */
+ 0, /* st */
+ },
+ finalize_textures /* update */
+};