[Mesa-dev] [PATCH 04/10] mesa/main: add USAGE_PIXEL_PACK_BUFFER flag to buffer UsageHistory
Nicolai Hähnle
nhaehnle at gmail.com
Mon Jan 11 18:32:41 PST 2016
From: Nicolai Hähnle <nicolai.haehnle at amd.com>
We will want to disable minmax index caching for buffers that are used in this
way.
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
---
src/mesa/main/bufferobj.c | 9 +++++++++
src/mesa/main/mtypes.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 14ee8c8..3c69777 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1014,6 +1014,15 @@ bind_buffer_object(struct gl_context *ctx, GLenum target, GLuint buffer)
return;
}
+ /* record usage history */
+ switch (target) {
+ case GL_PIXEL_PACK_BUFFER:
+ newBufObj->UsageHistory |= USAGE_PIXEL_PACK_BUFFER;
+ break;
+ default:
+ break;
+ }
+
/* bind new buffer */
_mesa_reference_buffer_object(ctx, bindTarget, newBufObj);
}
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 7c6341c..36d37c5 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1254,6 +1254,7 @@ typedef enum {
USAGE_ATOMIC_COUNTER_BUFFER = 0x4,
USAGE_SHADER_STORAGE_BUFFER = 0x8,
USAGE_TRANSFORM_FEEDBACK_BUFFER = 0x10,
+ USAGE_PIXEL_PACK_BUFFER = 0x20,
} gl_buffer_usage;
--
2.5.0
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