r600g: Replace needless flush in texture upload.

Replace pipe->flush() with pipe->texture_barrier() in
the texture upload path for the staging texture.
This should be enough to get data out of the gpu
caches ready to be read for texture fetch.

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 1682cc8..b914ff3 100644 (file)
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -66,7 +66,7 @@ static void r600_copy_from_staging_texture(struct pipe_context *ctx, struct r600
                                  rtransfer->staging_texture,
                                  0, &sbox);
 
-       r600_flush(ctx, NULL, RADEON_FLUSH_ASYNC);
+       ctx->texture_barrier(ctx);
 }
 
 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,