Mesa (master): r300g: fix sRGB->sRGB blits
Marek Olšák
mareko at kemper.freedesktop.org
Mon Mar 9 20:27:06 UTC 2015
Module: Mesa
Branch: master
Commit: c939231e7223510408a446400ad23b8b5ce2922e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c939231e7223510408a446400ad23b8b5ce2922e
Author: Marek Olšák <marek.olsak at amd.com>
Date: Mon Mar 9 21:20:03 2015 +0100
r300g: fix sRGB->sRGB blits
Cc: 10.5 10.4 <mesa-stable at lists.freedesktop.org>
---
src/gallium/drivers/r300/r300_blit.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c
index 4e7efc5..baf05ce 100644
--- a/src/gallium/drivers/r300/r300_blit.c
+++ b/src/gallium/drivers/r300/r300_blit.c
@@ -803,6 +803,15 @@ static void r300_blit(struct pipe_context *pipe,
(struct pipe_framebuffer_state*)r300->fb_state.state;
struct pipe_blit_info info = *blit;
+ /* The driver supports sRGB textures but not framebuffers. Blitting
+ * from sRGB to sRGB should be the same as blitting from linear
+ * to linear, so use that, This avoids incorrect linearization.
+ */
+ if (util_format_is_srgb(info.src.format)) {
+ info.src.format = util_format_linear(info.src.format);
+ info.dst.format = util_format_linear(info.dst.format);
+ }
+
/* MSAA resolve. */
if (info.src.resource->nr_samples > 1 &&
!util_format_is_depth_or_stencil(info.src.resource->format)) {
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