r600g: depth buffer likely needs decompression when used as texture

Before using depth buffer as texture, it needs to be decompressed
(tile pattern of db are different from one used for colorbuffer
like texture)

Signed-off-by: Jerome Glisse <jglisse@redhat.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/gallium/drivers/r600/r600_screen.h b/src/gallium/drivers/r600/r600_screen.h
index 147be3c4ac..4b2aac73ac 100644
--- a/src/gallium/drivers/r600/r600_screen.h
+++ b/src/gallium/drivers/r600/r600_screen.h
@@ -30,6 +30,7 @@
 #include <radeon_drm.h>
 #include "radeon.h"
 #include "util/u_transfer.h"
+#include "r600_resource.h"
 
 /* Texture transfer. */
 struct r600_transfer {
@@ -63,7 +64,7 @@ unsigned r600_buffer_is_referenced_by_cs(struct pipe_context *context,
 struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
 					      struct winsys_handle *whandle);
 
-/* Texture transfer functions. */
+/* r600_texture.c texture transfer functions. */
 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 						struct pipe_resource *texture,
 						struct pipe_subresource sr,
@@ -75,7 +76,13 @@ void* r600_texture_transfer_map(struct pipe_context *ctx,
 				struct pipe_transfer* transfer);
 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 				 struct pipe_transfer* transfer);
+int r600_texture_scissor(struct pipe_context *ctx, struct r600_resource_texture *rtexture, unsigned level);
+int r600_texture_cb0(struct pipe_context *ctx, struct r600_resource_texture *rtexture, unsigned level);
+int r600_texture_db(struct pipe_context *ctx, struct r600_resource_texture *rtexture, unsigned level);
+int r600_texture_from_depth(struct pipe_context *ctx, struct r600_resource_texture *rtexture, unsigned level);
 
+/* r600_blit.c */
+int r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *rtexture, unsigned level);
 
 /* helpers */
 int r600_conv_pipe_format(unsigned pformat, unsigned *format);