Module: Mesa
Branch: master
Commit: 688309374d6e2ec8af10907e36f30f0028f16d55
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=688309374d6e2ec8af10907e36f30f0028f16d55
Author: Anuj Phogat <anuj.pho...@gmail.com>
Date: Mon Feb 23 10:56:14 2015 -0800
meta: Pass null pointer for the pixel data to avoid unnecessary data upload
to a temporary pbo created in _mesa_meta_pbo_GetTexSubImage().
Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
Reviewed-by: Neil Roberts <n...@linux.intel.com>
---
src/mesa/drivers/common/meta_tex_subimage.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/common/meta_tex_subimage.c
b/src/mesa/drivers/common/meta_tex_subimage.c
index 2aa3a4c..a851357 100644
--- a/src/mesa/drivers/common/meta_tex_subimage.c
+++ b/src/mesa/drivers/common/meta_tex_subimage.c
@@ -89,8 +89,11 @@ create_texture_for_pbo(struct gl_context *ctx, bool
create_pbo,
*/
_mesa_BindBuffer(pbo_target, *tmp_pbo);
+ /* In case of GL_PIXEL_PACK_BUFFER, pass null pointer for the pixel
+ * data to avoid unnecessary data copying in _mesa_BufferData().
+ */
if (is_pixel_pack)
- _mesa_BufferData(pbo_target, row_stride * height, pixels,
+ _mesa_BufferData(pbo_target, row_stride * height, NULL,
GL_STREAM_READ);
else
_mesa_BufferData(pbo_target, row_stride * height, pixels,
_______________________________________________
mesa-commit mailing list
mesa-commit@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-commit
