3 files changed, 654 insertions, 654 deletions

diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 316ae552b8e..16fb06f176f 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -1,243 +1,243 @@
-/**************************************************************************

- * 

- * 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.

- * 

- **************************************************************************/

-

-/* Author:

- *    Keith Whitwell <[email protected]>

- */

-

-#include "draw/draw_context.h"

-#include "pipe/p_defines.h"

-#include "pipe/p_inlines.h"

-#include "pipe/p_util.h"

-#include "sp_clear.h"

-#include "sp_context.h"

-#include "sp_flush.h"

-#include "sp_prim_setup.h"

-#include "sp_prim_vbuf.h"

-#include "sp_state.h"

-#include "sp_surface.h"

-#include "sp_tile_cache.h"

-#include "sp_texture.h"

-#include "sp_winsys.h"

-#include "sp_query.h"

-

-

-

-/**

- * Map any drawing surfaces which aren't already mapped

- */

-void

-softpipe_map_surfaces(struct softpipe_context *sp)

-{

-   unsigned i;

-

-   for (i = 0; i < sp->framebuffer.num_cbufs; i++) {

-      sp_tile_cache_map_surfaces(sp->cbuf_cache[i]);

-   }

-

-   sp_tile_cache_map_surfaces(sp->zsbuf_cache);

-}

-

-

-/**

- * Unmap any mapped drawing surfaces

- */

-void

-softpipe_unmap_surfaces(struct softpipe_context *sp)

-{

-   uint i;

-

-   for (i = 0; i < sp->framebuffer.num_cbufs; i++)

-      sp_flush_tile_cache(sp, sp->cbuf_cache[i]);

-   sp_flush_tile_cache(sp, sp->zsbuf_cache);

-

-   for (i = 0; i < sp->framebuffer.num_cbufs; i++) {

-      sp_tile_cache_unmap_surfaces(sp->cbuf_cache[i]);

-   }

-   sp_tile_cache_unmap_surfaces(sp->zsbuf_cache);

-}

-

-

-static void softpipe_destroy( struct pipe_context *pipe )

-{

-   struct softpipe_context *softpipe = softpipe_context( pipe );

-   struct pipe_winsys *ws = pipe->winsys;

-   uint i;

-

-   draw_destroy( softpipe->draw );

-

-   softpipe->quad.polygon_stipple->destroy( softpipe->quad.polygon_stipple );

-   softpipe->quad.earlyz->destroy( softpipe->quad.earlyz );

-   softpipe->quad.shade->destroy( softpipe->quad.shade );

-   softpipe->quad.alpha_test->destroy( softpipe->quad.alpha_test );

-   softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );

-   softpipe->quad.stencil_test->destroy( softpipe->quad.stencil_test );

-   softpipe->quad.occlusion->destroy( softpipe->quad.occlusion );

-   softpipe->quad.coverage->destroy( softpipe->quad.coverage );

-   softpipe->quad.bufloop->destroy( softpipe->quad.bufloop );

-   softpipe->quad.blend->destroy( softpipe->quad.blend );

-   softpipe->quad.colormask->destroy( softpipe->quad.colormask );

-   softpipe->quad.output->destroy( softpipe->quad.output );

-

-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)

-      sp_destroy_tile_cache(softpipe->cbuf_cache[i]);

-   sp_destroy_tile_cache(softpipe->zsbuf_cache);

-

-   for (i = 0; i < PIPE_MAX_SAMPLERS; i++)

-      sp_destroy_tile_cache(softpipe->tex_cache[i]);

-

-   for (i = 0; i < Elements(softpipe->constants); i++) {

-      if (softpipe->constants[i].buffer) {

-         pipe_buffer_reference(ws, &softpipe->constants[i].buffer, NULL);

-      }

-   }

-

-   FREE( softpipe );

-}

-

-

-struct pipe_context *

-softpipe_create( struct pipe_screen *screen,

-                 struct pipe_winsys *pipe_winsys,

-                 struct softpipe_winsys *softpipe_winsys )

-{

-   struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);

-   uint i;

-

-#if defined(__i386__) || defined(__386__)

-   softpipe->use_sse = GETENV( "GALLIUM_NOSSE" ) == NULL;

-#else

-   softpipe->use_sse = FALSE;

-#endif

-

-   softpipe->dump_fs = GETENV( "GALLIUM_DUMP_FS" ) != NULL;

-

-   softpipe->pipe.winsys = pipe_winsys;

-   softpipe->pipe.screen = screen;

-   softpipe->pipe.destroy = softpipe_destroy;

-

-   /* state setters */

-   softpipe->pipe.create_blend_state = softpipe_create_blend_state;

-   softpipe->pipe.bind_blend_state   = softpipe_bind_blend_state;

-   softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;

-

-   softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;

-   softpipe->pipe.bind_sampler_states  = softpipe_bind_sampler_states;

-   softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;

-

-   softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;

-   softpipe->pipe.bind_depth_stencil_alpha_state   = softpipe_bind_depth_stencil_state;

-   softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;

-

-   softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;

-   softpipe->pipe.bind_rasterizer_state   = softpipe_bind_rasterizer_state;

-   softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;

-

-   softpipe->pipe.create_fs_state = softpipe_create_fs_state;

-   softpipe->pipe.bind_fs_state   = softpipe_bind_fs_state;

-   softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;

-

-   softpipe->pipe.create_vs_state = softpipe_create_vs_state;

-   softpipe->pipe.bind_vs_state   = softpipe_bind_vs_state;

-   softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;

-

-   softpipe->pipe.set_blend_color = softpipe_set_blend_color;

-   softpipe->pipe.set_clip_state = softpipe_set_clip_state;

-   softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;

-   softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;

-   softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;

-   softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;

-   softpipe->pipe.set_sampler_textures = softpipe_set_sampler_textures;

-   softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;

-

-   softpipe->pipe.set_vertex_buffer = softpipe_set_vertex_buffer;

-   softpipe->pipe.set_vertex_element = softpipe_set_vertex_element;

-

-   softpipe->pipe.draw_arrays = softpipe_draw_arrays;

-   softpipe->pipe.draw_elements = softpipe_draw_elements;

-

-   softpipe->pipe.clear = softpipe_clear;

-   softpipe->pipe.flush = softpipe_flush;

-

-   softpipe_init_query_funcs( softpipe );

-   softpipe_init_texture_funcs( softpipe );

-

-   /*

-    * Alloc caches for accessing drawing surfaces and textures.

-    * Must be before quad stage setup!

-    */

-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)

-      softpipe->cbuf_cache[i] = sp_create_tile_cache();

-   softpipe->zsbuf_cache = sp_create_tile_cache();

-

-   for (i = 0; i < PIPE_MAX_SAMPLERS; i++)

-      softpipe->tex_cache[i] = sp_create_tile_cache();

-

-

-   /* setup quad rendering stages */

-   softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);

-   softpipe->quad.earlyz = sp_quad_earlyz_stage(softpipe);

-   softpipe->quad.shade = sp_quad_shade_stage(softpipe);

-   softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe);

-   softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);

-   softpipe->quad.stencil_test = sp_quad_stencil_test_stage(softpipe);

-   softpipe->quad.occlusion = sp_quad_occlusion_stage(softpipe);

-   softpipe->quad.coverage = sp_quad_coverage_stage(softpipe);

-   softpipe->quad.bufloop = sp_quad_bufloop_stage(softpipe);

-   softpipe->quad.blend = sp_quad_blend_stage(softpipe);

-   softpipe->quad.colormask = sp_quad_colormask_stage(softpipe);

-   softpipe->quad.output = sp_quad_output_stage(softpipe);

-

-   softpipe->winsys = softpipe_winsys;

-

-   /*

-    * Create drawing context and plug our rendering stage into it.

-    */

-   softpipe->draw = draw_create();

-   assert(softpipe->draw);

-   softpipe->setup = sp_draw_render_stage(softpipe);

-

-   if (GETENV( "SP_VBUF" ) != NULL) {

-      sp_init_vbuf(softpipe);

-   }

-   else {

-      draw_set_rasterize_stage(softpipe->draw, softpipe->setup);

-   }

-

-   /* plug in AA line/point stages */

-   draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);

-   draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);

-

-#if USE_DRAW_STAGE_PSTIPPLE

-   /* Do polygon stipple w/ texture map + frag prog? */

-   draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);

-#endif

-

-   sp_init_surface_functions(softpipe);

-

-   return &softpipe->pipe;

-}

+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/* Author:
+ *    Keith Whitwell <[email protected]>
+ */
+
+#include "draw/draw_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_util.h"
+#include "sp_clear.h"
+#include "sp_context.h"
+#include "sp_flush.h"
+#include "sp_prim_setup.h"
+#include "sp_prim_vbuf.h"
+#include "sp_state.h"
+#include "sp_surface.h"
+#include "sp_tile_cache.h"
+#include "sp_texture.h"
+#include "sp_winsys.h"
+#include "sp_query.h"
+
+
+
+/**
+ * Map any drawing surfaces which aren't already mapped
+ */
+void
+softpipe_map_surfaces(struct softpipe_context *sp)
+{
+   unsigned i;
+
+   for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
+      sp_tile_cache_map_surfaces(sp->cbuf_cache[i]);
+   }
+
+   sp_tile_cache_map_surfaces(sp->zsbuf_cache);
+}
+
+
+/**
+ * Unmap any mapped drawing surfaces
+ */
+void
+softpipe_unmap_surfaces(struct softpipe_context *sp)
+{
+   uint i;
+
+   for (i = 0; i < sp->framebuffer.num_cbufs; i++)
+      sp_flush_tile_cache(sp, sp->cbuf_cache[i]);
+   sp_flush_tile_cache(sp, sp->zsbuf_cache);
+
+   for (i = 0; i < sp->framebuffer.num_cbufs; i++) {
+      sp_tile_cache_unmap_surfaces(sp->cbuf_cache[i]);
+   }
+   sp_tile_cache_unmap_surfaces(sp->zsbuf_cache);
+}
+
+
+static void softpipe_destroy( struct pipe_context *pipe )
+{
+   struct softpipe_context *softpipe = softpipe_context( pipe );
+   struct pipe_winsys *ws = pipe->winsys;
+   uint i;
+
+   draw_destroy( softpipe->draw );
+
+   softpipe->quad.polygon_stipple->destroy( softpipe->quad.polygon_stipple );
+   softpipe->quad.earlyz->destroy( softpipe->quad.earlyz );
+   softpipe->quad.shade->destroy( softpipe->quad.shade );
+   softpipe->quad.alpha_test->destroy( softpipe->quad.alpha_test );
+   softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
+   softpipe->quad.stencil_test->destroy( softpipe->quad.stencil_test );
+   softpipe->quad.occlusion->destroy( softpipe->quad.occlusion );
+   softpipe->quad.coverage->destroy( softpipe->quad.coverage );
+   softpipe->quad.bufloop->destroy( softpipe->quad.bufloop );
+   softpipe->quad.blend->destroy( softpipe->quad.blend );
+   softpipe->quad.colormask->destroy( softpipe->quad.colormask );
+   softpipe->quad.output->destroy( softpipe->quad.output );
+
+   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
+      sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
+   sp_destroy_tile_cache(softpipe->zsbuf_cache);
+
+   for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
+      sp_destroy_tile_cache(softpipe->tex_cache[i]);
+
+   for (i = 0; i < Elements(softpipe->constants); i++) {
+      if (softpipe->constants[i].buffer) {
+         pipe_buffer_reference(ws, &softpipe->constants[i].buffer, NULL);
+      }
+   }
+
+   FREE( softpipe );
+}
+
+
+struct pipe_context *
+softpipe_create( struct pipe_screen *screen,
+                 struct pipe_winsys *pipe_winsys,
+                 struct softpipe_winsys *softpipe_winsys )
+{
+   struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
+   uint i;
+
+#if defined(__i386__) || defined(__386__)
+   softpipe->use_sse = GETENV( "GALLIUM_NOSSE" ) == NULL;
+#else
+   softpipe->use_sse = FALSE;
+#endif
+
+   softpipe->dump_fs = GETENV( "GALLIUM_DUMP_FS" ) != NULL;
+
+   softpipe->pipe.winsys = pipe_winsys;
+   softpipe->pipe.screen = screen;
+   softpipe->pipe.destroy = softpipe_destroy;
+
+   /* state setters */
+   softpipe->pipe.create_blend_state = softpipe_create_blend_state;
+   softpipe->pipe.bind_blend_state   = softpipe_bind_blend_state;
+   softpipe->pipe.delete_blend_state = softpipe_delete_blend_state;
+
+   softpipe->pipe.create_sampler_state = softpipe_create_sampler_state;
+   softpipe->pipe.bind_sampler_states  = softpipe_bind_sampler_states;
+   softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state;
+
+   softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
+   softpipe->pipe.bind_depth_stencil_alpha_state   = softpipe_bind_depth_stencil_state;
+   softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;
+
+   softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state;
+   softpipe->pipe.bind_rasterizer_state   = softpipe_bind_rasterizer_state;
+   softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state;
+
+   softpipe->pipe.create_fs_state = softpipe_create_fs_state;
+   softpipe->pipe.bind_fs_state   = softpipe_bind_fs_state;
+   softpipe->pipe.delete_fs_state = softpipe_delete_fs_state;
+
+   softpipe->pipe.create_vs_state = softpipe_create_vs_state;
+   softpipe->pipe.bind_vs_state   = softpipe_bind_vs_state;
+   softpipe->pipe.delete_vs_state = softpipe_delete_vs_state;
+
+   softpipe->pipe.set_blend_color = softpipe_set_blend_color;
+   softpipe->pipe.set_clip_state = softpipe_set_clip_state;
+   softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer;
+   softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
+   softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
+   softpipe->pipe.set_scissor_state = softpipe_set_scissor_state;
+   softpipe->pipe.set_sampler_textures = softpipe_set_sampler_textures;
+   softpipe->pipe.set_viewport_state = softpipe_set_viewport_state;
+
+   softpipe->pipe.set_vertex_buffer = softpipe_set_vertex_buffer;
+   softpipe->pipe.set_vertex_element = softpipe_set_vertex_element;
+
+   softpipe->pipe.draw_arrays = softpipe_draw_arrays;
+   softpipe->pipe.draw_elements = softpipe_draw_elements;
+
+   softpipe->pipe.clear = softpipe_clear;
+   softpipe->pipe.flush = softpipe_flush;
+
+   softpipe_init_query_funcs( softpipe );
+   softpipe_init_texture_funcs( softpipe );
+
+   /*
+    * Alloc caches for accessing drawing surfaces and textures.
+    * Must be before quad stage setup!
+    */
+   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
+      softpipe->cbuf_cache[i] = sp_create_tile_cache();
+   softpipe->zsbuf_cache = sp_create_tile_cache();
+
+   for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
+      softpipe->tex_cache[i] = sp_create_tile_cache();
+
+
+   /* setup quad rendering stages */
+   softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
+   softpipe->quad.earlyz = sp_quad_earlyz_stage(softpipe);
+   softpipe->quad.shade = sp_quad_shade_stage(softpipe);
+   softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe);
+   softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
+   softpipe->quad.stencil_test = sp_quad_stencil_test_stage(softpipe);
+   softpipe->quad.occlusion = sp_quad_occlusion_stage(softpipe);
+   softpipe->quad.coverage = sp_quad_coverage_stage(softpipe);
+   softpipe->quad.bufloop = sp_quad_bufloop_stage(softpipe);
+   softpipe->quad.blend = sp_quad_blend_stage(softpipe);
+   softpipe->quad.colormask = sp_quad_colormask_stage(softpipe);
+   softpipe->quad.output = sp_quad_output_stage(softpipe);
+
+   softpipe->winsys = softpipe_winsys;
+
+   /*
+    * Create drawing context and plug our rendering stage into it.
+    */
+   softpipe->draw = draw_create();
+   assert(softpipe->draw);
+   softpipe->setup = sp_draw_render_stage(softpipe);
+
+   if (GETENV( "SP_VBUF" ) != NULL) {
+      sp_init_vbuf(softpipe);
+   }
+   else {
+      draw_set_rasterize_stage(softpipe->draw, softpipe->setup);
+   }
+
+   /* plug in AA line/point stages */
+   draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
+   draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
+
+#if USE_DRAW_STAGE_PSTIPPLE
+   /* Do polygon stipple w/ texture map + frag prog? */
+   draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
+#endif
+
+   sp_init_surface_functions(softpipe);
+
+   return &softpipe->pipe;
+}
diff --git a/src/gallium/drivers/softpipe/sp_quad_fs.c b/src/gallium/drivers/softpipe/sp_quad_fs.c
index 9198198db3d..861285101fd 100644
--- a/src/gallium/drivers/softpipe/sp_quad_fs.c
+++ b/src/gallium/drivers/softpipe/sp_quad_fs.c
@@ -1,209 +1,209 @@
-/**************************************************************************

- * 

- * 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.

- * 

- **************************************************************************/

-

-/* Vertices are just an array of floats, with all the attributes

- * packed.  We currently assume a layout like:

- *

- * attr[0][0..3] - window position

- * attr[1..n][0..3] - remaining attributes.

- *

- * Attributes are assumed to be 4 floats wide but are packed so that

- * all the enabled attributes run contiguously.

- */

-

-#include "pipe/p_util.h"

-#include "pipe/p_defines.h"

-#include "pipe/p_shader_tokens.h"

-

-#include "sp_context.h"

-#include "sp_state.h"

-#include "sp_headers.h"

-#include "sp_quad.h"

-#include "sp_texture.h"

-#include "sp_tex_sample.h"

-

-

-struct quad_shade_stage

-{

-   struct quad_stage stage;

-   struct tgsi_sampler samplers[PIPE_MAX_SAMPLERS];

-   struct tgsi_exec_machine machine;

-   struct tgsi_exec_vector *inputs, *outputs;

-   int colorOutSlot, depthOutSlot;

-};

-

-

-/** cast wrapper */

-static INLINE struct quad_shade_stage *

-quad_shade_stage(struct quad_stage *qs)

-{

-   return (struct quad_shade_stage *) qs;

-}

-

-

-

-/**

- * Execute fragment shader for the four fragments in the quad.

- */

-static void

-shade_quad(

-   struct quad_stage *qs,

-   struct quad_header *quad )

-{

-   struct quad_shade_stage *qss = quad_shade_stage( qs );

-   struct softpipe_context *softpipe = qs->softpipe;

-   struct tgsi_exec_machine *machine = &qss->machine;

-

-   /* Consts do not require 16 byte alignment. */

-   machine->Consts = softpipe->mapped_constants[PIPE_SHADER_FRAGMENT];

-

-   machine->InterpCoefs = quad->coef;

-

-   /* run shader */

-   quad->mask &= softpipe->fs->run( softpipe->fs, 

-				    &qss->machine,

-				    quad );

-

-   /* store result color */

-   if (qss->colorOutSlot >= 0) {

-      /* XXX need to handle multiple color outputs someday */

-      assert(qss->stage.softpipe->fs->info.output_semantic_name[qss->colorOutSlot]

-             == TGSI_SEMANTIC_COLOR);

-      memcpy(

-             quad->outputs.color,

-             &machine->Outputs[qss->colorOutSlot].xyzw[0].f[0],

-             sizeof( quad->outputs.color ) );

-   }

-

-   /*

-    * XXX the following code for updating quad->outputs.depth

-    * isn't really needed if we did early z testing.

-    */

-

-   /* store result Z */

-   if (qss->depthOutSlot >= 0) {

-      /* output[slot] is new Z */

-      uint i;

-      for (i = 0; i < 4; i++) {

-         quad->outputs.depth[i] = machine->Outputs[0].xyzw[2].f[i];

-      }

-   }

-   else {

-      /* copy input Z (which was interpolated by the executor) to output Z */

-      uint i;

-      for (i = 0; i < 4; i++) {

-         quad->outputs.depth[i] = machine->Inputs[0].xyzw[2].f[i];

-         /* XXX not sure the above line is always correct.  The following

-          * might be better:

-         quad->outputs.depth[i] = machine->QuadPos.xyzw[2].f[i];

-          */

-      }

-   }

-

-   /* shader may cull fragments */

-   if( quad->mask ) {

-      qs->next->run( qs->next, quad );

-   }

-}

-

-/**

- * Per-primitive (or per-begin?) setup

- */

-static void shade_begin(struct quad_stage *qs)

-{

-   struct quad_shade_stage *qss = quad_shade_stage(qs);

-   struct softpipe_context *softpipe = qs->softpipe;

-   unsigned i;

-   unsigned num = MAX2(softpipe->num_textures, softpipe->num_samplers);

-

-   /* set TGSI sampler state that varies */

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

-      qss->samplers[i].state = softpipe->sampler[i];

-      qss->samplers[i].texture = softpipe->texture[i];

-   }

-

-   /* find output slots for depth, color */

-   qss->colorOutSlot = -1;

-   qss->depthOutSlot = -1;

-   for (i = 0; i < qss->stage.softpipe->fs->info.num_outputs; i++) {

-      switch (qss->stage.softpipe->fs->info.output_semantic_name[i]) {

-      case TGSI_SEMANTIC_POSITION:

-         qss->depthOutSlot = i;

-         break;

-      case TGSI_SEMANTIC_COLOR:

-         qss->colorOutSlot = i;

-         break;

-      }

-   }

-   

-   softpipe->fs->prepare( softpipe->fs, 

-			  &qss->machine,

-			  qss->samplers );

-

-   qs->next->begin(qs->next);

-}

-

-

-static void shade_destroy(struct quad_stage *qs)

-{

-   struct quad_shade_stage *qss = (struct quad_shade_stage *) qs;

-

-   tgsi_exec_machine_free_data(&qss->machine);

-   FREE( qss->inputs );

-   FREE( qss->outputs );

-   FREE( qs );

-}

-

-

-struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe )

-{

-   struct quad_shade_stage *qss = CALLOC_STRUCT(quad_shade_stage);

-   uint i;

-

-   /* allocate storage for program inputs/outputs, aligned to 16 bytes */

-   qss->inputs = MALLOC(PIPE_ATTRIB_MAX * sizeof(*qss->inputs) + 16);

-   qss->outputs = MALLOC(PIPE_ATTRIB_MAX * sizeof(*qss->outputs) + 16);

-   qss->machine.Inputs = align16(qss->inputs);

-   qss->machine.Outputs = align16(qss->outputs);

-

-   qss->stage.softpipe = softpipe;

-   qss->stage.begin = shade_begin;

-   qss->stage.run = shade_quad;

-   qss->stage.destroy = shade_destroy;

-

-   /* set TGSI sampler state that's constant */

-   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {

-      assert(softpipe->tex_cache[i]);

-      qss->samplers[i].get_samples = sp_get_samples;

-      qss->samplers[i].pipe = &softpipe->pipe;

-      qss->samplers[i].cache = softpipe->tex_cache[i];

-   }

-

-   tgsi_exec_machine_init( &qss->machine );

-

-   return &qss->stage;

-}

+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/* Vertices are just an array of floats, with all the attributes
+ * packed.  We currently assume a layout like:
+ *
+ * attr[0][0..3] - window position
+ * attr[1..n][0..3] - remaining attributes.
+ *
+ * Attributes are assumed to be 4 floats wide but are packed so that
+ * all the enabled attributes run contiguously.
+ */
+
+#include "pipe/p_util.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_shader_tokens.h"
+
+#include "sp_context.h"
+#include "sp_state.h"
+#include "sp_headers.h"
+#include "sp_quad.h"
+#include "sp_texture.h"
+#include "sp_tex_sample.h"
+
+
+struct quad_shade_stage
+{
+   struct quad_stage stage;
+   struct tgsi_sampler samplers[PIPE_MAX_SAMPLERS];
+   struct tgsi_exec_machine machine;
+   struct tgsi_exec_vector *inputs, *outputs;
+   int colorOutSlot, depthOutSlot;
+};
+
+
+/** cast wrapper */
+static INLINE struct quad_shade_stage *
+quad_shade_stage(struct quad_stage *qs)
+{
+   return (struct quad_shade_stage *) qs;
+}
+
+
+
+/**
+ * Execute fragment shader for the four fragments in the quad.
+ */
+static void
+shade_quad(
+   struct quad_stage *qs,
+   struct quad_header *quad )
+{
+   struct quad_shade_stage *qss = quad_shade_stage( qs );
+   struct softpipe_context *softpipe = qs->softpipe;
+   struct tgsi_exec_machine *machine = &qss->machine;
+
+   /* Consts do not require 16 byte alignment. */
+   machine->Consts = softpipe->mapped_constants[PIPE_SHADER_FRAGMENT];
+
+   machine->InterpCoefs = quad->coef;
+
+   /* run shader */
+   quad->mask &= softpipe->fs->run( softpipe->fs, 
+				    &qss->machine,
+				    quad );
+
+   /* store result color */
+   if (qss->colorOutSlot >= 0) {
+      /* XXX need to handle multiple color outputs someday */
+      assert(qss->stage.softpipe->fs->info.output_semantic_name[qss->colorOutSlot]
+             == TGSI_SEMANTIC_COLOR);
+      memcpy(
+             quad->outputs.color,
+             &machine->Outputs[qss->colorOutSlot].xyzw[0].f[0],
+             sizeof( quad->outputs.color ) );
+   }
+
+   /*
+    * XXX the following code for updating quad->outputs.depth
+    * isn't really needed if we did early z testing.
+    */
+
+   /* store result Z */
+   if (qss->depthOutSlot >= 0) {
+      /* output[slot] is new Z */
+      uint i;
+      for (i = 0; i < 4; i++) {
+         quad->outputs.depth[i] = machine->Outputs[0].xyzw[2].f[i];
+      }
+   }
+   else {
+      /* copy input Z (which was interpolated by the executor) to output Z */
+      uint i;
+      for (i = 0; i < 4; i++) {
+         quad->outputs.depth[i] = machine->Inputs[0].xyzw[2].f[i];
+         /* XXX not sure the above line is always correct.  The following
+          * might be better:
+         quad->outputs.depth[i] = machine->QuadPos.xyzw[2].f[i];
+          */
+      }
+   }
+
+   /* shader may cull fragments */
+   if( quad->mask ) {
+      qs->next->run( qs->next, quad );
+   }
+}
+
+/**
+ * Per-primitive (or per-begin?) setup
+ */
+static void shade_begin(struct quad_stage *qs)
+{
+   struct quad_shade_stage *qss = quad_shade_stage(qs);
+   struct softpipe_context *softpipe = qs->softpipe;
+   unsigned i;
+   unsigned num = MAX2(softpipe->num_textures, softpipe->num_samplers);
+
+   /* set TGSI sampler state that varies */
+   for (i = 0; i < num; i++) {
+      qss->samplers[i].state = softpipe->sampler[i];
+      qss->samplers[i].texture = softpipe->texture[i];
+   }
+
+   /* find output slots for depth, color */
+   qss->colorOutSlot = -1;
+   qss->depthOutSlot = -1;
+   for (i = 0; i < qss->stage.softpipe->fs->info.num_outputs; i++) {
+      switch (qss->stage.softpipe->fs->info.output_semantic_name[i]) {
+      case TGSI_SEMANTIC_POSITION:
+         qss->depthOutSlot = i;
+         break;
+      case TGSI_SEMANTIC_COLOR:
+         qss->colorOutSlot = i;
+         break;
+      }
+   }
+   
+   softpipe->fs->prepare( softpipe->fs, 
+			  &qss->machine,
+			  qss->samplers );
+
+   qs->next->begin(qs->next);
+}
+
+
+static void shade_destroy(struct quad_stage *qs)
+{
+   struct quad_shade_stage *qss = (struct quad_shade_stage *) qs;
+
+   tgsi_exec_machine_free_data(&qss->machine);
+   FREE( qss->inputs );
+   FREE( qss->outputs );
+   FREE( qs );
+}
+
+
+struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe )
+{
+   struct quad_shade_stage *qss = CALLOC_STRUCT(quad_shade_stage);
+   uint i;
+
+   /* allocate storage for program inputs/outputs, aligned to 16 bytes */
+   qss->inputs = MALLOC(PIPE_ATTRIB_MAX * sizeof(*qss->inputs) + 16);
+   qss->outputs = MALLOC(PIPE_ATTRIB_MAX * sizeof(*qss->outputs) + 16);
+   qss->machine.Inputs = align16(qss->inputs);
+   qss->machine.Outputs = align16(qss->outputs);
+
+   qss->stage.softpipe = softpipe;
+   qss->stage.begin = shade_begin;
+   qss->stage.run = shade_quad;
+   qss->stage.destroy = shade_destroy;
+
+   /* set TGSI sampler state that's constant */
+   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+      assert(softpipe->tex_cache[i]);
+      qss->samplers[i].get_samples = sp_get_samples;
+      qss->samplers[i].pipe = &softpipe->pipe;
+      qss->samplers[i].cache = softpipe->tex_cache[i];
+   }
+
+   tgsi_exec_machine_init( &qss->machine );
+
+   return &qss->stage;
+}
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index bbf2d80308e..64bf353aa4a 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -1,202 +1,202 @@
-/**************************************************************************

- * 

- * Copyright 2006 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 <[email protected]>

-  *   Michel Dänzer <[email protected]>

-  */

-

-#include "pipe/p_context.h"

-#include "pipe/p_defines.h"

-#include "pipe/p_inlines.h"

-#include "pipe/p_util.h"

-#include "pipe/p_winsys.h"

-

-#include "sp_context.h"

-#include "sp_state.h"

-#include "sp_texture.h"

-#include "sp_tile_cache.h"

-

-

-/* Simple, maximally packed layout.

- */

-

-static unsigned minify( unsigned d )

-{

-   return MAX2(1, d>>1);

-}

-

-

-static void

-softpipe_texture_layout(struct softpipe_texture * spt)

-{

-   struct pipe_texture *pt = &spt->base;

-   unsigned level;

-   unsigned width = pt->width[0];

-   unsigned height = pt->height[0];

-   unsigned depth = pt->depth[0];

-

-   spt->buffer_size = 0;

-

-   for (level = 0; level <= pt->last_level; level++) {

-      pt->width[level] = width;

-      pt->height[level] = height;

-      pt->depth[level] = depth;

-

-      spt->level_offset[level] = spt->buffer_size;

-

-      spt->buffer_size += ((pt->compressed) ? MAX2(1, height/4) : height) *

-			  ((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *

-			  width * pt->cpp;

-

-      width  = minify(width);

-      height = minify(height);

-      depth = minify(depth);

-   }

-}

-

-

-static struct pipe_texture *

-softpipe_texture_create_screen(struct pipe_screen *screen,

-                               const struct pipe_texture *templat)

-{

-   struct pipe_winsys *ws = screen->winsys;

-   struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture);

-   if (!spt)

-      return NULL;

-

-   spt->base = *templat;

-   spt->base.refcount = 1;

-   spt->base.screen = screen;

-

-   softpipe_texture_layout(spt);

-

-   spt->buffer = ws->buffer_create(ws, 32,

-                                   PIPE_BUFFER_USAGE_PIXEL,

-                                   spt->buffer_size);

-   if (!spt->buffer) {

-      FREE(spt);

-      return NULL;

-   }

-

-   assert(spt->base.refcount == 1);

-

-   return &spt->base;

-}

-

-

-static void

-softpipe_texture_release_screen(struct pipe_screen *screen,

-                                struct pipe_texture **pt)

-{

-   if (!*pt)

-      return;

-

-   /*

-   DBG("%s %p refcount will be %d\n",

-       __FUNCTION__, (void *) *pt, (*pt)->refcount - 1);

-   */

-   if (--(*pt)->refcount <= 0) {

-      struct softpipe_texture *spt = softpipe_texture(*pt);

-

-      /*

-      DBG("%s deleting %p\n", __FUNCTION__, (void *) spt);

-      */

-

-      pipe_buffer_reference(screen->winsys, &spt->buffer, NULL);

-

-      FREE(spt);

-   }

-   *pt = NULL;

-}

-

-

-static struct pipe_surface *

-softpipe_get_tex_surface_screen(struct pipe_screen *screen,

-                                struct pipe_texture *pt,

-                                unsigned face, unsigned level, unsigned zslice)

-{

-   struct pipe_winsys *ws = screen->winsys;

-   struct softpipe_texture *spt = softpipe_texture(pt);

-   struct pipe_surface *ps;

-

-   assert(level <= pt->last_level);

-

-   ps = ws->surface_alloc(ws);

-   if (ps) {

-      assert(ps->refcount);

-      assert(ps->winsys);

-      pipe_buffer_reference(ws, &ps->buffer, spt->buffer);

-      ps->format = pt->format;

-      ps->cpp = pt->cpp;

-      ps->width = pt->width[level];

-      ps->height = pt->height[level];

-      ps->pitch = ps->width;

-      ps->offset = spt->level_offset[level];

-

-      if (pt->target == PIPE_TEXTURE_CUBE || pt->target == PIPE_TEXTURE_3D) {

-	 ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) *

-		       (pt->compressed ? ps->height/4 : ps->height) *

-		       ps->width * ps->cpp;

-      }

-      else {

-	 assert(face == 0);

-	 assert(zslice == 0);

-      }

-   }

-   return ps;

-}

-

-

-static void

-softpipe_texture_update(struct pipe_context *pipe,

-                        struct pipe_texture *texture)

-{

-   struct softpipe_context *softpipe = softpipe_context(pipe);

-   uint unit;

-   for (unit = 0; unit < softpipe->num_textures; unit++) {

-      if (softpipe->texture[unit] == texture) {

-         sp_flush_tile_cache(softpipe, softpipe->tex_cache[unit]);

-      }

-   }

-}

-

-

-void

-softpipe_init_texture_funcs( struct softpipe_context *softpipe )

-{

-   softpipe->pipe.texture_update = softpipe_texture_update;

-}

-

-

-void

-softpipe_init_screen_texture_funcs(struct pipe_screen *screen)

-{

-   screen->texture_create = softpipe_texture_create_screen;

-   screen->texture_release = softpipe_texture_release_screen;

-   screen->get_tex_surface = softpipe_get_tex_surface_screen;

-}

+/**************************************************************************
+ * 
+ * Copyright 2006 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 <[email protected]>
+  *   Michel Dänzer <[email protected]>
+  */
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_util.h"
+#include "pipe/p_winsys.h"
+
+#include "sp_context.h"
+#include "sp_state.h"
+#include "sp_texture.h"
+#include "sp_tile_cache.h"
+
+
+/* Simple, maximally packed layout.
+ */
+
+static unsigned minify( unsigned d )
+{
+   return MAX2(1, d>>1);
+}
+
+
+static void
+softpipe_texture_layout(struct softpipe_texture * spt)
+{
+   struct pipe_texture *pt = &spt->base;
+   unsigned level;
+   unsigned width = pt->width[0];
+   unsigned height = pt->height[0];
+   unsigned depth = pt->depth[0];
+
+   spt->buffer_size = 0;
+
+   for (level = 0; level <= pt->last_level; level++) {
+      pt->width[level] = width;
+      pt->height[level] = height;
+      pt->depth[level] = depth;
+
+      spt->level_offset[level] = spt->buffer_size;
+
+      spt->buffer_size += ((pt->compressed) ? MAX2(1, height/4) : height) *
+			  ((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) *
+			  width * pt->cpp;
+
+      width  = minify(width);
+      height = minify(height);
+      depth = minify(depth);
+   }
+}
+
+
+static struct pipe_texture *
+softpipe_texture_create_screen(struct pipe_screen *screen,
+                               const struct pipe_texture *templat)
+{
+   struct pipe_winsys *ws = screen->winsys;
+   struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture);
+   if (!spt)
+      return NULL;
+
+   spt->base = *templat;
+   spt->base.refcount = 1;
+   spt->base.screen = screen;
+
+   softpipe_texture_layout(spt);
+
+   spt->buffer = ws->buffer_create(ws, 32,
+                                   PIPE_BUFFER_USAGE_PIXEL,
+                                   spt->buffer_size);
+   if (!spt->buffer) {
+      FREE(spt);
+      return NULL;
+   }
+
+   assert(spt->base.refcount == 1);
+
+   return &spt->base;
+}
+
+
+static void
+softpipe_texture_release_screen(struct pipe_screen *screen,
+                                struct pipe_texture **pt)
+{
+   if (!*pt)
+      return;
+
+   /*
+   DBG("%s %p refcount will be %d\n",
+       __FUNCTION__, (void *) *pt, (*pt)->refcount - 1);
+   */
+   if (--(*pt)->refcount <= 0) {
+      struct softpipe_texture *spt = softpipe_texture(*pt);
+
+      /*
+      DBG("%s deleting %p\n", __FUNCTION__, (void *) spt);
+      */
+
+      pipe_buffer_reference(screen->winsys, &spt->buffer, NULL);
+
+      FREE(spt);
+   }
+   *pt = NULL;
+}
+
+
+static struct pipe_surface *
+softpipe_get_tex_surface_screen(struct pipe_screen *screen,
+                                struct pipe_texture *pt,
+                                unsigned face, unsigned level, unsigned zslice)
+{
+   struct pipe_winsys *ws = screen->winsys;
+   struct softpipe_texture *spt = softpipe_texture(pt);
+   struct pipe_surface *ps;
+
+   assert(level <= pt->last_level);
+
+   ps = ws->surface_alloc(ws);
+   if (ps) {
+      assert(ps->refcount);
+      assert(ps->winsys);
+      pipe_buffer_reference(ws, &ps->buffer, spt->buffer);
+      ps->format = pt->format;
+      ps->cpp = pt->cpp;
+      ps->width = pt->width[level];
+      ps->height = pt->height[level];
+      ps->pitch = ps->width;
+      ps->offset = spt->level_offset[level];
+
+      if (pt->target == PIPE_TEXTURE_CUBE || pt->target == PIPE_TEXTURE_3D) {
+	 ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) *
+		       (pt->compressed ? ps->height/4 : ps->height) *
+		       ps->width * ps->cpp;
+      }
+      else {
+	 assert(face == 0);
+	 assert(zslice == 0);
+      }
+   }
+   return ps;
+}
+
+
+static void
+softpipe_texture_update(struct pipe_context *pipe,
+                        struct pipe_texture *texture)
+{
+   struct softpipe_context *softpipe = softpipe_context(pipe);
+   uint unit;
+   for (unit = 0; unit < softpipe->num_textures; unit++) {
+      if (softpipe->texture[unit] == texture) {
+         sp_flush_tile_cache(softpipe, softpipe->tex_cache[unit]);
+      }
+   }
+}
+
+
+void
+softpipe_init_texture_funcs( struct softpipe_context *softpipe )
+{
+   softpipe->pipe.texture_update = softpipe_texture_update;
+}
+
+
+void
+softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
+{
+   screen->texture_create = softpipe_texture_create_screen;
+   screen->texture_release = softpipe_texture_release_screen;
+   screen->get_tex_surface = softpipe_get_tex_surface_screen;
+}