softpipe: Flush draw module when fragment pipeline state changes.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/gallium/drivers/softpipe/sp_state_fs.c b/src/gallium/drivers/softpipe/sp_state_fs.c
index acec62dc2a..aa12bb215a 100644
--- a/src/gallium/drivers/softpipe/sp_state_fs.c
+++ b/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);