create_texture_for_pbo() is used by both _mesa_meta_pbo_GetTexSubImage()
and _mesa_meta_pbo_TexSubImage() functions with different PBO targets.
Use GL_STREAM_READ with GL_PIXEL_PACK_BUFFER and GL_STREAM_DRAW with
GL_PIXEL_UNPACK_BUFFER.
Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
---
src/mesa/drivers/common/meta_tex_subimage.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/common/meta_tex_subimage.c
b/src/mesa/drivers/common/meta_tex_subimage.c
index cd87a72..efcbce6 100644
--- a/src/mesa/drivers/common/meta_tex_subimage.c
+++ b/src/mesa/drivers/common/meta_tex_subimage.c
@@ -81,6 +81,7 @@ create_texture_for_pbo(struct gl_context *ctx, bool
create_pbo,
buffer_obj = packing->BufferObj;
} else {
assert(create_pbo);
+ bool is_pixel_pack = pbo_target == GL_PIXEL_PACK_BUFFER;
_mesa_GenBuffers(1, tmp_pbo);
@@ -90,7 +91,12 @@ create_texture_for_pbo(struct gl_context *ctx, bool
create_pbo,
*/
_mesa_BindBuffer(pbo_target, *tmp_pbo);
- _mesa_BufferData(pbo_target, row_stride * height, pixels,
GL_STREAM_DRAW);
+ if (is_pixel_pack)
+ _mesa_BufferData(pbo_target, row_stride * height, pixels,
+ GL_STREAM_READ);
+ else
+ _mesa_BufferData(pbo_target, row_stride * height, pixels,
+ GL_STREAM_DRAW);
buffer_obj = ctx->Unpack.BufferObj;
pixels = NULL;
--
1.9.3
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
