If called with an empty size, brw_emit_buffer_surface_state asserts.
We already have a dedicated helper for uploading nothing, so let's use
that instead.
Signed-off-by: Erik Faye-Lund <erik.faye-l...@collabora.com>
---
Here's an updated patch.
v2: call emit_null_surface_state to ensure out_offset is initialized
properly. (Lionel)
src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 9397b637c7..2aef0ef59f 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -1322,6 +1322,11 @@ upload_buffer_surface(struct brw_context *brw,
if (!binding->AutomaticSize)
size = MIN2(size, binding->Size);
+ if (size == 0) {
+ emit_null_surface_state(brw, NULL, out_offset);
+ return;
+ }
+
struct intel_buffer_object *iobj =
intel_buffer_object(binding->BufferObject);
struct brw_bo *bo =
--
2.18.0
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