softpipe: Flush draw module when fragment pipeline state changes.

src/gallium/drivers/softpipe/sp_state_blend.c

@@ -29,6 +29,7 @@
  */
 
 #include "util/u_memory.h"
+#include "draw/draw_context.h"
 #include "sp_context.h"
 #include "sp_state.h"
 
@@ -45,6 +46,8 @@ void softpipe_bind_blend_state( struct pipe_context *pipe,
 {
    struct softpipe_context *softpipe = softpipe_context(pipe);
 
+   draw_flush(softpipe->draw);
+
    softpipe->blend = (struct pipe_blend_state *)blend;
 
    softpipe->dirty |= SP_NEW_BLEND;
@@ -62,6 +65,8 @@ void softpipe_set_blend_color( struct pipe_context *pipe,
 {
    struct softpipe_context *softpipe = softpipe_context(pipe);
 
+   draw_flush(softpipe->draw);
+
    softpipe->blend_color = *blend_color;
 
    softpipe->dirty |= SP_NEW_BLEND;

src/gallium/drivers/softpipe/sp_state_fs.c

@@ -69,7 +69,14 @@ softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
 {
    struct softpipe_context *softpipe = softpipe_context(pipe);
 
-   softpipe->fs = (struct sp_fragment_shader *) fs;
+   draw_flush(softpipe->draw);
+
+   if (softpipe->fs == fs)
+      return;
+
+   draw_flush(softpipe->draw);
+
+   softpipe->fs = fs;
 
    softpipe->dirty |= SP_NEW_FS;
 }
@@ -159,6 +166,8 @@ softpipe_set_constant_buffer(struct pipe_context *pipe,
    assert(shader < PIPE_SHADER_TYPES);
    assert(index == 0);
 
+   draw_flush(softpipe->draw);
+
    /* note: reference counting */
    pipe_buffer_reference(&softpipe->constants[shader].buffer,
 			 buf ? buf->buffer : NULL);

src/gallium/drivers/softpipe/sp_state_rasterizer.c

@@ -41,14 +41,17 @@ softpipe_create_rasterizer_state(struct pipe_context *pipe,
 }
 
 void softpipe_bind_rasterizer_state(struct pipe_context *pipe,
-                                    void *setup)
+                                    void *rasterizer)
 {
    struct softpipe_context *softpipe = softpipe_context(pipe);
 
+   if (softpipe->rasterizer == rasterizer)
+      return;
+
    /* pass-through to draw module */
-   draw_set_rasterizer_state(softpipe->draw, setup);
+   draw_set_rasterizer_state(softpipe->draw, rasterizer);
 
-   softpipe->rasterizer = (struct pipe_rasterizer_state *)setup;
+   softpipe->rasterizer = rasterizer;
 
    softpipe->dirty |= SP_NEW_RASTERIZER;
 }