mesa libXext pixman git update 12 Apr 2011

1 files changed, 233 insertions, 228 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
index 48b94500d..808aa73a0 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c
@@ -1,228 +1,233 @@
-/**************************************************************************

- * 

- * 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[texUnit].LodBias +

-            texobj->LodBias;

-

-         sampler->min_lod = CLAMP(texobj->MinLod,

-                                  0.0f,

-                                  (GLfloat) texobj->MaxLevel - texobj->BaseLevel);

-         sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel,

-                                 texobj->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);

-         }

-

-         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 */

-};

+/**************************************************************************
+ * 
+ * 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 "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 
+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;
+         struct gl_sampler_object *msamp;
+         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];
+
+         msamp = st_get_mesa_sampler(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);
+         }
+
+         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);
+         }
+
+         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 */
+};