[Mesa-dev] [PATCH 2/7] mesa: Mark buffer objects which are bound as UBOs

Chris Forbes chrisf at ijw.co.nz
Wed Oct 1 02:02:33 PDT 2014


When a buffer object is bound to one of the indexed uniform buffer
binding points, assume that from that point on it may be used as
a uniform buffer.

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 src/mesa/main/bufferobj.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index b6879ce..c92056a 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -2652,6 +2652,12 @@ set_ubo_binding(struct gl_context *ctx,
    binding->Offset = offset;
    binding->Size = size;
    binding->AutomaticSize = autoSize;
+
+   /* If this is a real buffer object, mark it has having been used
+    * at some point as a UBO.
+    */
+   if (size >= 0)
+      bufObj->UsageHistory |= USAGE_UNIFORM_BUFFER;
 }
 
 /**
-- 
2.1.1



More information about the mesa-dev mailing list