diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_sampler.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_atom_sampler.c | 543 |
1 files changed, 271 insertions, 272 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c index ccbd54892..627a13387 100644 --- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c +++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c @@ -1,272 +1,271 @@ -/************************************************************************** - * - * 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 "main/mtypes.h" -#include "main/samplerobj.h" - -#include "st_context.h" -#include "st_cb_texture.h" -#include "st_format.h" -#include "st_atom.h" -#include "st_texture.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 convert_sampler(struct st_context *st, - struct pipe_sampler_state *sampler, - GLuint texUnit) -{ - struct gl_texture_object *texobj; - struct gl_sampler_object *msamp; - - texobj = st->ctx->Texture.Unit[texUnit]._Current; - if (!texobj) { - texobj = st_get_default_texture(st); - } - - msamp = _mesa_get_samplerobj(st->ctx, texUnit); - sampler->wrap_s = gl_wrap_xlate(msamp->WrapS); - sampler->wrap_t = gl_wrap_xlate(msamp->WrapT); - sampler->wrap_r = gl_wrap_xlate(msamp->WrapR); - - sampler->min_img_filter = gl_filter_to_img_filter(msamp->MinFilter); - sampler->min_mip_filter = gl_filter_to_mip_filter(msamp->MinFilter); - sampler->mag_img_filter = gl_filter_to_img_filter(msamp->MagFilter); - - if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB) - sampler->normalized_coords = 1; - - sampler->lod_bias = st->ctx->Texture.Unit[texUnit].LodBias + - msamp->LodBias; - - sampler->min_lod = CLAMP(msamp->MinLod, - 0.0f, - (GLfloat) texobj->MaxLevel - texobj->BaseLevel); - sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel, - msamp->MaxLod); - 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); - } - - if (msamp->BorderColor.ui[0] || - msamp->BorderColor.ui[1] || - msamp->BorderColor.ui[2] || - msamp->BorderColor.ui[3]) { - struct gl_texture_image *teximg; - - teximg = texobj->Image[0][texobj->BaseLevel]; - - st_translate_color(msamp->BorderColor.f, - teximg ? teximg->_BaseFormat : GL_RGBA, - sampler->border_color); - } - - sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ? - 0 : (GLuint) msamp->MaxAnisotropy); - - /* only care about ARB_shadow, not SGI shadow */ - if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) { - sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE; - sampler->compare_func - = st_compare_func_to_pipe(msamp->CompareFunc); - } - - sampler->seamless_cube_map = - st->ctx->Texture.CubeMapSeamless || msamp->CubeMapSeamless; -} - -static void -update_vertex_samplers(struct st_context *st) -{ - struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current; - GLuint su; - - st->state.num_vertex_samplers = 0; - - /* loop over sampler units (aka tex image units) */ - for (su = 0; su < st->ctx->Const.MaxVertexTextureImageUnits; su++) { - struct pipe_sampler_state *sampler = st->state.vertex_samplers + su; - - memset(sampler, 0, sizeof(*sampler)); - - if (vprog->Base.SamplersUsed & (1 << su)) { - GLuint texUnit; - - texUnit = vprog->Base.SamplerUnits[su]; - - convert_sampler(st, sampler, texUnit); - - st->state.num_vertex_samplers = su + 1; - - cso_single_vertex_sampler(st->cso_context, su, sampler); - } else { - cso_single_vertex_sampler(st->cso_context, su, NULL); - } - } - cso_single_vertex_sampler_done(st->cso_context); -} - -static void -update_fragment_samplers(struct st_context *st) -{ - struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current; - 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 (fprog->Base.SamplersUsed & (1 << su)) { - GLuint texUnit; - - texUnit = fprog->Base.SamplerUnits[su]; - - convert_sampler(st, sampler, texUnit); - - st->state.num_samplers = su + 1; - - /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/ - cso_single_sampler(st->cso_context, su, sampler); - } - else { - /*printf("%s su=%u null\n", __FUNCTION__, su);*/ - cso_single_sampler(st->cso_context, su, NULL); - } - } - - cso_single_sampler_done(st->cso_context); -} - -static void -update_samplers(struct st_context *st) -{ - update_fragment_samplers(st); - update_vertex_samplers(st); -} - -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 "main/mtypes.h"
+#include "main/samplerobj.h"
+
+#include "st_context.h"
+#include "st_cb_texture.h"
+#include "st_format.h"
+#include "st_atom.h"
+#include "st_texture.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 convert_sampler(struct st_context *st,
+ struct pipe_sampler_state *sampler,
+ GLuint texUnit)
+{
+ struct gl_texture_object *texobj;
+ struct gl_sampler_object *msamp;
+
+ texobj = st->ctx->Texture.Unit[texUnit]._Current;
+ if (!texobj) {
+ texobj = st_get_default_texture(st);
+ }
+
+ msamp = _mesa_get_samplerobj(st->ctx, texUnit);
+
+ memset(sampler, 0, sizeof(*sampler));
+ sampler->wrap_s = gl_wrap_xlate(msamp->WrapS);
+ sampler->wrap_t = gl_wrap_xlate(msamp->WrapT);
+ sampler->wrap_r = gl_wrap_xlate(msamp->WrapR);
+
+ sampler->min_img_filter = gl_filter_to_img_filter(msamp->MinFilter);
+ sampler->min_mip_filter = gl_filter_to_mip_filter(msamp->MinFilter);
+ sampler->mag_img_filter = gl_filter_to_img_filter(msamp->MagFilter);
+
+ if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB)
+ sampler->normalized_coords = 1;
+
+ sampler->lod_bias = st->ctx->Texture.Unit[texUnit].LodBias +
+ msamp->LodBias;
+
+ sampler->min_lod = CLAMP(msamp->MinLod,
+ 0.0f,
+ (GLfloat) texobj->MaxLevel - texobj->BaseLevel);
+ sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel,
+ msamp->MaxLod);
+ 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);
+ }
+
+ if (msamp->BorderColor.ui[0] ||
+ msamp->BorderColor.ui[1] ||
+ msamp->BorderColor.ui[2] ||
+ msamp->BorderColor.ui[3]) {
+ struct gl_texture_image *teximg;
+
+ teximg = texobj->Image[0][texobj->BaseLevel];
+
+ st_translate_color(msamp->BorderColor.f,
+ teximg ? teximg->_BaseFormat : GL_RGBA,
+ sampler->border_color);
+ }
+
+ sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
+ 0 : (GLuint) msamp->MaxAnisotropy);
+
+ /* only care about ARB_shadow, not SGI shadow */
+ if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
+ sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
+ sampler->compare_func
+ = st_compare_func_to_pipe(msamp->CompareFunc);
+ }
+
+ sampler->seamless_cube_map =
+ st->ctx->Texture.CubeMapSeamless || msamp->CubeMapSeamless;
+}
+
+static void
+update_vertex_samplers(struct st_context *st)
+{
+ struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current;
+ GLuint su;
+
+ st->state.num_vertex_samplers = 0;
+
+ /* loop over sampler units (aka tex image units) */
+ for (su = 0; su < st->ctx->Const.MaxVertexTextureImageUnits; su++) {
+ struct pipe_sampler_state *sampler = st->state.vertex_samplers + su;
+
+ if (vprog->Base.SamplersUsed & (1 << su)) {
+ GLuint texUnit;
+
+ texUnit = vprog->Base.SamplerUnits[su];
+
+ convert_sampler(st, sampler, texUnit);
+
+ st->state.num_vertex_samplers = su + 1;
+
+ cso_single_vertex_sampler(st->cso_context, su, sampler);
+ } else {
+ cso_single_vertex_sampler(st->cso_context, su, NULL);
+ }
+ }
+ cso_single_vertex_sampler_done(st->cso_context);
+}
+
+static void
+update_fragment_samplers(struct st_context *st)
+{
+ struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
+ 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;
+
+
+ if (fprog->Base.SamplersUsed & (1 << su)) {
+ GLuint texUnit;
+
+ texUnit = fprog->Base.SamplerUnits[su];
+
+ convert_sampler(st, sampler, texUnit);
+
+ st->state.num_samplers = su + 1;
+
+ /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/
+ cso_single_sampler(st->cso_context, su, sampler);
+ }
+ else {
+ /*printf("%s su=%u null\n", __FUNCTION__, su);*/
+ cso_single_sampler(st->cso_context, su, NULL);
+ }
+ }
+
+ cso_single_sampler_done(st->cso_context);
+}
+
+static void
+update_samplers(struct st_context *st)
+{
+ update_fragment_samplers(st);
+ update_vertex_samplers(st);
+}
+
+const struct st_tracked_state st_update_sampler = {
+ "st_update_sampler", /* name */
+ { /* dirty */
+ _NEW_TEXTURE, /* mesa */
+ 0, /* st */
+ },
+ update_samplers /* update */
+};
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