i965: Upload Shader Storage Buffer Object surfaces

Since these are a special kind of UBOs we emit them together reusing the
same infrastructure, however, we use a RAW surface so we can reuse
existing untyped read/write/atomic messages which include a pixel mask
header that we need to set to obtain correct behavior with helper
invocations of the fragment shader.

Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index b05b8bd69bf..144d3e327d4 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1779,6 +1779,12 @@ void brw_create_constant_surface(struct brw_context *brw,
                                  uint32_t size,
                                  uint32_t *out_offset,
                                  bool dword_pitch);
+void brw_create_buffer_surface(struct brw_context *brw,
+                               drm_intel_bo *bo,
+                               uint32_t offset,
+                               uint32_t size,
+                               uint32_t *out_offset,
+                               bool dword_pitch);
 void brw_update_buffer_texture_surface(struct gl_context *ctx,
                                        unsigned unit,
                                        uint32_t *surf_offset);