Fixes piglit GL_MESA_pack_invert/readpixels and GPU hangs with glamor and
cairo-gl.
Cc: 10.0 9.2 <mesa-sta...@lists.freedesktop.org>
---
src/mesa/drivers/dri/i965/intel_pixel_read.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/intel_pixel_read.c
b/src/mesa/drivers/dri/i965/intel_pixel_read.c
index 0f6d2aa..2c85811 100644
--- a/src/mesa/drivers/dri/i965/intel_pixel_read.c
+++ b/src/mesa/drivers/dri/i965/intel_pixel_read.c
@@ -106,13 +106,15 @@ do_blit_readpixels(struct gl_context * ctx,
/* Mesa flips the dst_stride for pack->Invert, but we want our mt to have a
* normal dst_stride.
*/
+ struct gl_pixelstore_attrib uninverted_pack = *pack;
if (pack->Invert) {
dst_stride = -dst_stride;
dst_flip = true;
+ uninverted_pack.Invert = false;
}
dst_offset = (GLintptr)pixels;
- dst_offset += _mesa_image_offset(2, pack, width, height,
+ dst_offset += _mesa_image_offset(2, &uninverted_pack, width, height,
format, type, 0, 0, 0);
if (!_mesa_clip_copytexsubimage(ctx,
--
1.8.5.1
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