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-rw-r--r--src/mesa/drivers/common/meta_tex_subimage.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/drivers/common/meta_tex_subimage.c b/src/mesa/drivers/common/meta_tex_subimage.c
index 2aa3a4ce281..a8513573b1b 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,