gallium: michel's patch to rework texture/sampler binding interface

Bind all the samplers/textures at once rather than piecemeal.
This is easier for drivers to understand.

1 files changed, 462 insertions, 434 deletions

diff --git a/src/gallium/drivers/i965simple/brw_state.c b/src/gallium/drivers/i965simple/brw_state.c
index 6744a8aa4f7..f5efe9fc06d 100644
--- a/src/gallium/drivers/i965simple/brw_state.c
+++ b/src/gallium/drivers/i965simple/brw_state.c
@@ -1,434 +1,462 @@
-/**************************************************************************
- *
- * 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:  Zack Rusin <[email protected]>
- *           Keith Whitwell <[email protected]>
- */
-
-
-#include "pipe/p_winsys.h"
-#include "pipe/p_util.h"
-#include "pipe/p_inlines.h"
-#include "pipe/p_shader_tokens.h"
-#include "tgsi/util/tgsi_dump.h"
-
-#include "brw_context.h"
-#include "brw_defines.h"
-#include "brw_state.h"
-#include "brw_draw.h"
-
-
-#define DUP( TYPE, VAL )                        \
-do {                                            \
-   struct TYPE *x = malloc(sizeof(*x));         \
-   memcpy(x, VAL, sizeof(*x) );                 \
-   return x;                                    \
-} while (0)
-
-/************************************************************************
- * Blend 
- */
-static void *
-brw_create_blend_state(struct pipe_context *pipe,
-                        const struct pipe_blend_state *blend)
-{   
-   DUP( pipe_blend_state, blend );
-}
-
-static void brw_bind_blend_state(struct pipe_context *pipe,
-                                 void *blend)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.Blend = (struct pipe_blend_state*)blend;
-   brw->state.dirty.brw |= BRW_NEW_BLEND;
-}
-
-
-static void brw_delete_blend_state(struct pipe_context *pipe, void *blend)
-{
-   free(blend);
-}
-
-static void brw_set_blend_color( struct pipe_context *pipe,
-			     const struct pipe_blend_color *blend_color )
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.BlendColor = *blend_color;
-
-   brw->state.dirty.brw |= BRW_NEW_BLEND;
-}
-
-/************************************************************************
- * Sampler 
- */
-
-static void *
-brw_create_sampler_state(struct pipe_context *pipe,
-                          const struct pipe_sampler_state *sampler)
-{
-   DUP( pipe_sampler_state, sampler );
-}
-
-static void brw_bind_sampler_state(struct pipe_context *pipe,
-                                    unsigned unit, void *sampler)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.Samplers[unit] = sampler;
-   brw->state.dirty.brw |= BRW_NEW_SAMPLER;
-}
-
-static void brw_delete_sampler_state(struct pipe_context *pipe,
-                                      void *sampler)
-{
-   free(sampler);
-}
-
-
-/************************************************************************
- * Depth stencil 
- */
-
-static void *
-brw_create_depth_stencil_state(struct pipe_context *pipe,
-                           const struct pipe_depth_stencil_alpha_state *depth_stencil)
-{
-   DUP( pipe_depth_stencil_alpha_state, depth_stencil );
-}
-
-static void brw_bind_depth_stencil_state(struct pipe_context *pipe,
-                                         void *depth_stencil)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.DepthStencil = (const struct pipe_depth_stencil_alpha_state *)depth_stencil;
-
-   brw->state.dirty.brw |= BRW_NEW_DEPTH_STENCIL;
-}
-
-static void brw_delete_depth_stencil_state(struct pipe_context *pipe,
-                                           void *depth_stencil)
-{
-   free(depth_stencil);
-}
-
-/************************************************************************
- * Scissor
- */
-static void brw_set_scissor_state( struct pipe_context *pipe,
-                                 const struct pipe_scissor_state *scissor )
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   memcpy( &brw->attribs.Scissor, scissor, sizeof(*scissor) );
-   brw->state.dirty.brw |= BRW_NEW_SCISSOR;
-}
-
-
-/************************************************************************
- * Stipple
- */
-
-static void brw_set_polygon_stipple( struct pipe_context *pipe,
-                                   const struct pipe_poly_stipple *stipple )
-{
-}
-
-
-/************************************************************************
- * Fragment shader
- */
-
-static void * brw_create_fs_state(struct pipe_context *pipe,
-                                   const struct pipe_shader_state *shader)
-{
-   struct brw_fragment_program *brw_fp = CALLOC_STRUCT(brw_fragment_program);
-
-   /* XXX: Do I have to duplicate the tokens as well??
-    */
-   brw_fp->program = *shader;
-   brw_fp->id = brw_context(pipe)->program_id++;
-
-   tgsi_scan_shader(shader->tokens, &brw_fp->info);
-
-#if 0
-   brw_shader_info(shader->tokens,
-		   &brw_fp->info2);
-#endif
-
-   tgsi_dump(shader->tokens, 0);
-
-
-   return (void *)brw_fp;
-}
-
-static void brw_bind_fs_state(struct pipe_context *pipe, void *shader)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.FragmentProgram = (struct brw_fragment_program *)shader;
-   brw->state.dirty.brw |= BRW_NEW_FS;
-}
-
-static void brw_delete_fs_state(struct pipe_context *pipe, void *shader)
-{
-   FREE(shader);
-}
-
-
-/************************************************************************
- * Vertex shader and other TNL state 
- */
-
-static void *brw_create_vs_state(struct pipe_context *pipe,
-                                 const struct pipe_shader_state *shader)
-{
-   struct brw_vertex_program *brw_vp = CALLOC_STRUCT(brw_vertex_program);
-
-   /* XXX: Do I have to duplicate the tokens as well??
-    */
-   brw_vp->program = *shader;
-   brw_vp->id = brw_context(pipe)->program_id++;
-
-   tgsi_scan_shader(shader->tokens, &brw_vp->info);
-
-#if 0
-   brw_shader_info(shader->tokens,
-		   &brw_vp->info2);
-#endif
-   tgsi_dump(shader->tokens, 0);
-
-   return (void *)brw_vp;
-}
-
-static void brw_bind_vs_state(struct pipe_context *pipe, void *vs)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.VertexProgram = (struct brw_vertex_program *)vs;
-   brw->state.dirty.brw |= BRW_NEW_VS;
-
-   debug_printf("YYYYYYYYYYYYY BINDING VERTEX SHADER\n");
-}
-
-static void brw_delete_vs_state(struct pipe_context *pipe, void *shader)
-{
-   FREE(shader);
-}
-
-
-static void brw_set_clip_state( struct pipe_context *pipe,
-                                const struct pipe_clip_state *clip )
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.Clip = *clip;
-}
-
-
-static void brw_set_viewport_state( struct pipe_context *pipe,
-				     const struct pipe_viewport_state *viewport )
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.Viewport = *viewport; /* struct copy */
-   brw->state.dirty.brw |= BRW_NEW_VIEWPORT;
-
-   /* pass the viewport info to the draw module */
-   //draw_set_viewport_state(brw->draw, viewport);
-}
-
-
-static void brw_set_vertex_buffer( struct pipe_context *pipe,
-				   unsigned index,
-				   const struct pipe_vertex_buffer *buffer )
-{
-   struct brw_context *brw = brw_context(pipe);
-   brw->vb.vbo_array[index] = buffer;
-}
-
-static void brw_set_vertex_element(struct pipe_context *pipe,
-                                   unsigned index,
-                                   const struct pipe_vertex_element *element)
-{
-   /* flush ? */
-   struct brw_context *brw = brw_context(pipe);
-
-   assert(index < PIPE_ATTRIB_MAX);
-   struct brw_vertex_element_state el;
-   memset(&el, 0, sizeof(el));
-
-   el.ve0.src_offset = element->src_offset;
-   el.ve0.src_format = brw_translate_surface_format(element->src_format);
-   el.ve0.valid = 1;
-   el.ve0.vertex_buffer_index = element->vertex_buffer_index;
-
-   el.ve1.dst_offset   = index * 4;
-
-   el.ve1.vfcomponent3 = BRW_VFCOMPONENT_STORE_SRC;
-   el.ve1.vfcomponent2 = BRW_VFCOMPONENT_STORE_SRC;
-   el.ve1.vfcomponent1 = BRW_VFCOMPONENT_STORE_SRC;
-   el.ve1.vfcomponent0 = BRW_VFCOMPONENT_STORE_SRC;
-
-   switch (element->nr_components) {
-   case 1: el.ve1.vfcomponent1 = BRW_VFCOMPONENT_STORE_0;
-   case 2: el.ve1.vfcomponent2 = BRW_VFCOMPONENT_STORE_0;
-   case 3: el.ve1.vfcomponent3 = BRW_VFCOMPONENT_STORE_1_FLT;
-      break;
-   }
-
-   brw->vb.inputs[index] = el;
-}
-
-
-
-/************************************************************************
- * Constant buffers
- */
-
-static void brw_set_constant_buffer(struct pipe_context *pipe,
-                                     uint shader, uint index,
-                                     const struct pipe_constant_buffer *buf)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   assert(buf == 0 || index == 0);
-
-   brw->attribs.Constants[shader] = buf;
-   brw->state.dirty.brw |= BRW_NEW_CONSTANTS;
-}
-
-
-/************************************************************************
- * Texture surfaces
- */
-
-
-static void brw_set_sampler_texture(struct pipe_context *pipe,
-                                  unsigned unit,
-                                  struct pipe_texture *texture)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   pipe_texture_reference((struct pipe_texture **) &brw->attribs.Texture[unit],
-                          texture);
-
-   brw->state.dirty.brw |= BRW_NEW_TEXTURE;
-}
-
-
-/************************************************************************
- * Render targets, etc
- */
-
-static void brw_set_framebuffer_state(struct pipe_context *pipe,
-				       const struct pipe_framebuffer_state *fb)
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.FrameBuffer = *fb; /* struct copy */
-
-   brw->state.dirty.brw |= BRW_NEW_FRAMEBUFFER;
-}
-
-
-
-/************************************************************************
- * Rasterizer state
- */
-
-static void *
-brw_create_rasterizer_state(struct pipe_context *pipe,
-                             const struct pipe_rasterizer_state *rasterizer)
-{
-   DUP(pipe_rasterizer_state, rasterizer);
-}
-
-static void brw_bind_rasterizer_state( struct pipe_context *pipe,
-                                        void *setup )
-{
-   struct brw_context *brw = brw_context(pipe);
-
-   brw->attribs.Raster = (struct pipe_rasterizer_state *)setup;
-
-   /* Also pass-through to draw module:
-    */
-   //draw_set_rasterizer_state(brw->draw, setup);
-
-   brw->state.dirty.brw |= BRW_NEW_RASTERIZER;
-}
-
-static void brw_delete_rasterizer_state(struct pipe_context *pipe,
-                                         void *setup)
-{
-   free(setup);
-}
-
-
-
-void
-brw_init_state_functions( struct brw_context *brw )
-{
-   brw->pipe.create_blend_state = brw_create_blend_state;
-   brw->pipe.bind_blend_state = brw_bind_blend_state;
-   brw->pipe.delete_blend_state = brw_delete_blend_state;
-
-   brw->pipe.create_sampler_state = brw_create_sampler_state;
-   brw->pipe.bind_sampler_state = brw_bind_sampler_state;
-   brw->pipe.delete_sampler_state = brw_delete_sampler_state;
-
-   brw->pipe.create_depth_stencil_alpha_state = brw_create_depth_stencil_state;
-   brw->pipe.bind_depth_stencil_alpha_state = brw_bind_depth_stencil_state;
-   brw->pipe.delete_depth_stencil_alpha_state = brw_delete_depth_stencil_state;
-
-   brw->pipe.create_rasterizer_state = brw_create_rasterizer_state;
-   brw->pipe.bind_rasterizer_state = brw_bind_rasterizer_state;
-   brw->pipe.delete_rasterizer_state = brw_delete_rasterizer_state;
-   brw->pipe.create_fs_state = brw_create_fs_state;
-   brw->pipe.bind_fs_state = brw_bind_fs_state;
-   brw->pipe.delete_fs_state = brw_delete_fs_state;
-   brw->pipe.create_vs_state = brw_create_vs_state;
-   brw->pipe.bind_vs_state = brw_bind_vs_state;
-   brw->pipe.delete_vs_state = brw_delete_vs_state;
-
-   brw->pipe.set_blend_color = brw_set_blend_color;
-   brw->pipe.set_clip_state = brw_set_clip_state;
-   brw->pipe.set_constant_buffer = brw_set_constant_buffer;
-   brw->pipe.set_framebuffer_state = brw_set_framebuffer_state;
-
-//   brw->pipe.set_feedback_state = brw_set_feedback_state;
-//   brw->pipe.set_feedback_buffer = brw_set_feedback_buffer;
-
-   brw->pipe.set_polygon_stipple = brw_set_polygon_stipple;
-   brw->pipe.set_scissor_state = brw_set_scissor_state;
-   brw->pipe.set_sampler_texture = brw_set_sampler_texture;
-   brw->pipe.set_viewport_state = brw_set_viewport_state;
-   brw->pipe.set_vertex_buffer = brw_set_vertex_buffer;
-   brw->pipe.set_vertex_element = brw_set_vertex_element;
-}
+/**************************************************************************

+ *

+ * 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:  Zack Rusin <[email protected]>

+ *           Keith Whitwell <[email protected]>

+ */

+

+

+#include "pipe/p_winsys.h"

+#include "pipe/p_util.h"

+#include "pipe/p_inlines.h"

+#include "pipe/p_shader_tokens.h"

+#include "tgsi/util/tgsi_dump.h"

+

+#include "brw_context.h"

+#include "brw_defines.h"

+#include "brw_state.h"

+#include "brw_draw.h"

+

+

+#define DUP( TYPE, VAL )                        \

+do {                                            \

+   struct TYPE *x = malloc(sizeof(*x));         \

+   memcpy(x, VAL, sizeof(*x) );                 \

+   return x;                                    \

+} while (0)

+

+/************************************************************************

+ * Blend 

+ */

+static void *

+brw_create_blend_state(struct pipe_context *pipe,

+                        const struct pipe_blend_state *blend)

+{   

+   DUP( pipe_blend_state, blend );

+}

+

+static void brw_bind_blend_state(struct pipe_context *pipe,

+                                 void *blend)

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.Blend = (struct pipe_blend_state*)blend;

+   brw->state.dirty.brw |= BRW_NEW_BLEND;

+}

+

+

+static void brw_delete_blend_state(struct pipe_context *pipe, void *blend)

+{

+   free(blend);

+}

+

+static void brw_set_blend_color( struct pipe_context *pipe,

+			     const struct pipe_blend_color *blend_color )

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.BlendColor = *blend_color;

+

+   brw->state.dirty.brw |= BRW_NEW_BLEND;

+}

+

+/************************************************************************

+ * Sampler 

+ */

+

+static void *

+brw_create_sampler_state(struct pipe_context *pipe,

+                          const struct pipe_sampler_state *sampler)

+{

+   DUP( pipe_sampler_state, sampler );

+}

+

+static void brw_bind_sampler_states(struct pipe_context *pipe,

+                                    unsigned num, void **sampler)

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   assert(num <= PIPE_MAX_SAMPLERS);

+

+   /* Check for no-op */

+   if (num == brw->num_samplers &&

+       !memcmp(brw->attribs.Samplers, sampler, num * sizeof(void *)))

+      return;

+

+   memcpy(brw->attribs.Samplers, sampler, num * sizeof(void *));

+   memset(&brw->attribs.Samplers[num], 0, (PIPE_MAX_SAMPLERS - num) *

+          sizeof(void *));

+

+   brw->num_samplers = num;

+

+   brw->state.dirty.brw |= BRW_NEW_SAMPLER;

+}

+

+static void brw_delete_sampler_state(struct pipe_context *pipe,

+                                      void *sampler)

+{

+   free(sampler);

+}

+

+

+/************************************************************************

+ * Depth stencil 

+ */

+

+static void *

+brw_create_depth_stencil_state(struct pipe_context *pipe,

+                           const struct pipe_depth_stencil_alpha_state *depth_stencil)

+{

+   DUP( pipe_depth_stencil_alpha_state, depth_stencil );

+}

+

+static void brw_bind_depth_stencil_state(struct pipe_context *pipe,

+                                         void *depth_stencil)

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.DepthStencil = (const struct pipe_depth_stencil_alpha_state *)depth_stencil;

+

+   brw->state.dirty.brw |= BRW_NEW_DEPTH_STENCIL;

+}

+

+static void brw_delete_depth_stencil_state(struct pipe_context *pipe,

+                                           void *depth_stencil)

+{

+   free(depth_stencil);

+}

+

+/************************************************************************

+ * Scissor

+ */

+static void brw_set_scissor_state( struct pipe_context *pipe,

+                                 const struct pipe_scissor_state *scissor )

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   memcpy( &brw->attribs.Scissor, scissor, sizeof(*scissor) );

+   brw->state.dirty.brw |= BRW_NEW_SCISSOR;

+}

+

+

+/************************************************************************

+ * Stipple

+ */

+

+static void brw_set_polygon_stipple( struct pipe_context *pipe,

+                                   const struct pipe_poly_stipple *stipple )

+{

+}

+

+

+/************************************************************************

+ * Fragment shader

+ */

+

+static void * brw_create_fs_state(struct pipe_context *pipe,

+                                   const struct pipe_shader_state *shader)

+{

+   struct brw_fragment_program *brw_fp = CALLOC_STRUCT(brw_fragment_program);

+

+   /* XXX: Do I have to duplicate the tokens as well??

+    */

+   brw_fp->program = *shader;

+   brw_fp->id = brw_context(pipe)->program_id++;

+

+   tgsi_scan_shader(shader->tokens, &brw_fp->info);

+

+#if 0

+   brw_shader_info(shader->tokens,

+		   &brw_fp->info2);

+#endif

+

+   tgsi_dump(shader->tokens, 0);

+

+

+   return (void *)brw_fp;

+}

+

+static void brw_bind_fs_state(struct pipe_context *pipe, void *shader)

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.FragmentProgram = (struct brw_fragment_program *)shader;

+   brw->state.dirty.brw |= BRW_NEW_FS;

+}

+

+static void brw_delete_fs_state(struct pipe_context *pipe, void *shader)

+{

+   FREE(shader);

+}

+

+

+/************************************************************************

+ * Vertex shader and other TNL state 

+ */

+

+static void *brw_create_vs_state(struct pipe_context *pipe,

+                                 const struct pipe_shader_state *shader)

+{

+   struct brw_vertex_program *brw_vp = CALLOC_STRUCT(brw_vertex_program);

+

+   /* XXX: Do I have to duplicate the tokens as well??

+    */

+   brw_vp->program = *shader;

+   brw_vp->id = brw_context(pipe)->program_id++;

+

+   tgsi_scan_shader(shader->tokens, &brw_vp->info);

+

+#if 0

+   brw_shader_info(shader->tokens,

+		   &brw_vp->info2);

+#endif

+   tgsi_dump(shader->tokens, 0);

+

+   return (void *)brw_vp;

+}

+

+static void brw_bind_vs_state(struct pipe_context *pipe, void *vs)

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.VertexProgram = (struct brw_vertex_program *)vs;

+   brw->state.dirty.brw |= BRW_NEW_VS;

+

+   debug_printf("YYYYYYYYYYYYY BINDING VERTEX SHADER\n");

+}

+

+static void brw_delete_vs_state(struct pipe_context *pipe, void *shader)

+{

+   FREE(shader);

+}

+

+

+static void brw_set_clip_state( struct pipe_context *pipe,

+                                const struct pipe_clip_state *clip )

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.Clip = *clip;

+}

+

+

+static void brw_set_viewport_state( struct pipe_context *pipe,

+				     const struct pipe_viewport_state *viewport )

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.Viewport = *viewport; /* struct copy */

+   brw->state.dirty.brw |= BRW_NEW_VIEWPORT;

+

+   /* pass the viewport info to the draw module */

+   //draw_set_viewport_state(brw->draw, viewport);

+}

+

+

+static void brw_set_vertex_buffer( struct pipe_context *pipe,

+				   unsigned index,

+				   const struct pipe_vertex_buffer *buffer )

+{

+   struct brw_context *brw = brw_context(pipe);

+   brw->vb.vbo_array[index] = buffer;

+}

+

+static void brw_set_vertex_element(struct pipe_context *pipe,

+                                   unsigned index,

+                                   const struct pipe_vertex_element *element)

+{

+   /* flush ? */

+   struct brw_context *brw = brw_context(pipe);

+

+   assert(index < PIPE_ATTRIB_MAX);

+   struct brw_vertex_element_state el;

+   memset(&el, 0, sizeof(el));

+

+   el.ve0.src_offset = element->src_offset;

+   el.ve0.src_format = brw_translate_surface_format(element->src_format);

+   el.ve0.valid = 1;

+   el.ve0.vertex_buffer_index = element->vertex_buffer_index;

+

+   el.ve1.dst_offset   = index * 4;

+

+   el.ve1.vfcomponent3 = BRW_VFCOMPONENT_STORE_SRC;

+   el.ve1.vfcomponent2 = BRW_VFCOMPONENT_STORE_SRC;

+   el.ve1.vfcomponent1 = BRW_VFCOMPONENT_STORE_SRC;

+   el.ve1.vfcomponent0 = BRW_VFCOMPONENT_STORE_SRC;

+

+   switch (element->nr_components) {

+   case 1: el.ve1.vfcomponent1 = BRW_VFCOMPONENT_STORE_0;

+   case 2: el.ve1.vfcomponent2 = BRW_VFCOMPONENT_STORE_0;

+   case 3: el.ve1.vfcomponent3 = BRW_VFCOMPONENT_STORE_1_FLT;

+      break;

+   }

+

+   brw->vb.inputs[index] = el;

+}

+

+

+

+/************************************************************************

+ * Constant buffers

+ */

+

+static void brw_set_constant_buffer(struct pipe_context *pipe,

+                                     uint shader, uint index,

+                                     const struct pipe_constant_buffer *buf)

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   assert(buf == 0 || index == 0);

+

+   brw->attribs.Constants[shader] = buf;

+   brw->state.dirty.brw |= BRW_NEW_CONSTANTS;

+}

+

+

+/************************************************************************

+ * Texture surfaces

+ */

+

+

+static void brw_set_sampler_textures(struct pipe_context *pipe,

+                                     unsigned num,

+                                     struct pipe_texture **texture)

+{

+   struct brw_context *brw = brw_context(pipe);

+   uint i;

+

+   assert(num <= PIPE_MAX_SAMPLERS);

+

+   /* Check for no-op */

+   if (num == brw->num_textures &&

+       !memcmp(brw->attribs.Texture, texture, num *

+               sizeof(struct pipe_texture *)))

+      return;

+

+   for (i = 0; i < num; i++)

+      pipe_texture_reference((struct pipe_texture **) &brw->attribs.Texture[i],

+                             texture[i]);

+

+   for (i = num; i < brw->num_textures; i++)

+      pipe_texture_reference((struct pipe_texture **) &brw->attribs.Texture[i],

+                             NULL);

+

+   brw->num_textures = num;

+

+   brw->state.dirty.brw |= BRW_NEW_TEXTURE;

+}

+

+

+/************************************************************************

+ * Render targets, etc

+ */

+

+static void brw_set_framebuffer_state(struct pipe_context *pipe,

+				       const struct pipe_framebuffer_state *fb)

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.FrameBuffer = *fb; /* struct copy */

+

+   brw->state.dirty.brw |= BRW_NEW_FRAMEBUFFER;

+}

+

+

+

+/************************************************************************

+ * Rasterizer state

+ */

+

+static void *

+brw_create_rasterizer_state(struct pipe_context *pipe,

+                             const struct pipe_rasterizer_state *rasterizer)

+{

+   DUP(pipe_rasterizer_state, rasterizer);

+}

+

+static void brw_bind_rasterizer_state( struct pipe_context *pipe,

+                                        void *setup )

+{

+   struct brw_context *brw = brw_context(pipe);

+

+   brw->attribs.Raster = (struct pipe_rasterizer_state *)setup;

+

+   /* Also pass-through to draw module:

+    */

+   //draw_set_rasterizer_state(brw->draw, setup);

+

+   brw->state.dirty.brw |= BRW_NEW_RASTERIZER;

+}

+

+static void brw_delete_rasterizer_state(struct pipe_context *pipe,

+                                         void *setup)

+{

+   free(setup);

+}

+

+

+

+void

+brw_init_state_functions( struct brw_context *brw )

+{

+   brw->pipe.create_blend_state = brw_create_blend_state;

+   brw->pipe.bind_blend_state = brw_bind_blend_state;

+   brw->pipe.delete_blend_state = brw_delete_blend_state;

+

+   brw->pipe.create_sampler_state = brw_create_sampler_state;

+   brw->pipe.bind_sampler_states = brw_bind_sampler_states;

+   brw->pipe.delete_sampler_state = brw_delete_sampler_state;

+

+   brw->pipe.create_depth_stencil_alpha_state = brw_create_depth_stencil_state;

+   brw->pipe.bind_depth_stencil_alpha_state = brw_bind_depth_stencil_state;

+   brw->pipe.delete_depth_stencil_alpha_state = brw_delete_depth_stencil_state;

+

+   brw->pipe.create_rasterizer_state = brw_create_rasterizer_state;

+   brw->pipe.bind_rasterizer_state = brw_bind_rasterizer_state;

+   brw->pipe.delete_rasterizer_state = brw_delete_rasterizer_state;

+   brw->pipe.create_fs_state = brw_create_fs_state;

+   brw->pipe.bind_fs_state = brw_bind_fs_state;

+   brw->pipe.delete_fs_state = brw_delete_fs_state;

+   brw->pipe.create_vs_state = brw_create_vs_state;

+   brw->pipe.bind_vs_state = brw_bind_vs_state;

+   brw->pipe.delete_vs_state = brw_delete_vs_state;

+

+   brw->pipe.set_blend_color = brw_set_blend_color;

+   brw->pipe.set_clip_state = brw_set_clip_state;

+   brw->pipe.set_constant_buffer = brw_set_constant_buffer;

+   brw->pipe.set_framebuffer_state = brw_set_framebuffer_state;

+

+//   brw->pipe.set_feedback_state = brw_set_feedback_state;

+//   brw->pipe.set_feedback_buffer = brw_set_feedback_buffer;

+

+   brw->pipe.set_polygon_stipple = brw_set_polygon_stipple;

+   brw->pipe.set_scissor_state = brw_set_scissor_state;

+   brw->pipe.set_sampler_textures = brw_set_sampler_textures;

+   brw->pipe.set_viewport_state = brw_set_viewport_state;

+   brw->pipe.set_vertex_buffer = brw_set_vertex_buffer;

+   brw->pipe.set_vertex_element = brw_set_vertex_element;

+}