Merge branch 'master' into r300-compiler

[mesa.git] / src / gallium / drivers / softpipe / sp_context.c

diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 6b75ee600237b3995614680bacb962093e340d1d..94d000a5accacf0a20110bd3704e16f64bacd5a3 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -81,7 +81,8 @@ softpipe_unmap_transfers(struct softpipe_context *sp)
 }
 
 
-static void softpipe_destroy( struct pipe_context *pipe )
+static void
+softpipe_destroy( struct pipe_context *pipe )
 {
    struct softpipe_context *softpipe = softpipe_context( pipe );
    uint i;
@@ -93,12 +94,17 @@ static void softpipe_destroy( struct pipe_context *pipe )
       softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
       softpipe->quad.blend->destroy( softpipe->quad.blend );
 
-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
+   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
       sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
+      pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL);
+   }
    sp_destroy_tile_cache(softpipe->zsbuf_cache);
+   pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL);
 
-   for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
+   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
       sp_destroy_tex_tile_cache(softpipe->tex_cache[i]);
+      pipe_texture_reference(&softpipe->texture[i], NULL);
+   }
 
    for (i = 0; i < Elements(softpipe->constants); i++) {
       if (softpipe->constants[i].buffer) {
@@ -109,6 +115,15 @@ static void softpipe_destroy( struct pipe_context *pipe )
    FREE( softpipe );
 }
 
+
+/**
+ * if (the texture is being used as a framebuffer surface)
+ *    return PIPE_REFERENCED_FOR_WRITE
+ * else if (the texture is a bound texture source)
+ *    return PIPE_REFERENCED_FOR_READ  XXX not done yet
+ * else
+ *    return PIPE_UNREFERENCED
+ */
 static unsigned int
 softpipe_is_texture_referenced( struct pipe_context *pipe,
                                struct pipe_texture *texture,
@@ -117,15 +132,17 @@ softpipe_is_texture_referenced( struct pipe_context *pipe,
    struct softpipe_context *softpipe = softpipe_context( pipe );
    unsigned i;
 
-   if(softpipe->dirty_render_cache) {
+   if (softpipe->dirty_render_cache) {
       for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
-         if(softpipe->framebuffer.cbufs[i] && 
-            softpipe->framebuffer.cbufs[i]->texture == texture)
+         if (softpipe->framebuffer.cbufs[i] && 
+             softpipe->framebuffer.cbufs[i]->texture == texture) {
             return PIPE_REFERENCED_FOR_WRITE;
+         }
       }
-      if(softpipe->framebuffer.zsbuf && 
-         softpipe->framebuffer.zsbuf->texture == texture)
+      if (softpipe->framebuffer.zsbuf && 
+          softpipe->framebuffer.zsbuf->texture == texture) {
          return PIPE_REFERENCED_FOR_WRITE;
+      }
    }
    
    /* FIXME: we also need to do the same for the texture cache */
@@ -133,6 +150,7 @@ softpipe_is_texture_referenced( struct pipe_context *pipe,
    return PIPE_UNREFERENCED;
 }
 
+
 static unsigned int
 softpipe_is_buffer_referenced( struct pipe_context *pipe,
                               struct pipe_buffer *buf)
@@ -140,6 +158,7 @@ softpipe_is_buffer_referenced( struct pipe_context *pipe,
    return PIPE_UNREFERENCED;
 }
 
+
 struct pipe_context *
 softpipe_create( struct pipe_screen *screen )
 {
@@ -210,7 +229,6 @@ softpipe_create( struct pipe_screen *screen )
    softpipe->pipe.is_buffer_referenced = softpipe_is_buffer_referenced;
 
    softpipe_init_query_funcs( softpipe );
-   softpipe_init_texture_funcs( softpipe );
 
    /*
     * Alloc caches for accessing drawing surfaces and textures.
@@ -262,10 +280,8 @@ softpipe_create( struct pipe_screen *screen )
    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);