https://bugs.freedesktop.org/show_bug.cgi?id=59322
Cc: mesa-sta...@lists.freedesktop.org
---
src/mesa/state_tracker/st_cb_fbo.c | 8 ++++++++
src/mesa/state_tracker/st_format.c | 7 +++++++
2 files changed, 15 insertions(+)
diff --git a/src/mesa/state_tracker/st_cb_fbo.c
b/src/mesa/state_tracker/st_cb_fbo.c
index 826722b..77aaccd 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -37,6 +37,7 @@
#include "main/context.h"
#include "main/fbobject.h"
#include "main/framebuffer.h"
+#include "main/glformats.h"
#include "main/macros.h"
#include "main/renderbuffer.h"
@@ -132,6 +133,13 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx,
pipe_surface_reference( &strb->surface, NULL );
pipe_resource_reference( &strb->texture, NULL );
+ /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
+ * formats.
+ */
+ if (!ctx->Extensions.EXT_framebuffer_sRGB) {
+ internalFormat = _mesa_get_linear_internalformat(internalFormat);
+ }
+
/* Handle multisample renderbuffers first.
*
* From ARB_framebuffer_object:
diff --git a/src/mesa/state_tracker/st_format.c
b/src/mesa/state_tracker/st_format.c
index 16d977f..64bfd1f 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -1782,6 +1782,13 @@ st_QuerySamplesForFormat(struct gl_context *ctx, GLenum
target,
else
bind = PIPE_BIND_RENDER_TARGET;
+ /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear
+ * formats.
+ */
+ if (!ctx->Extensions.EXT_framebuffer_sRGB) {
+ internalFormat = _mesa_get_linear_internalformat(internalFormat);
+ }
+
/* Set sample counts in descending order. */
for (i = 16; i > 1; i--) {
format = st_choose_format(st, internalFormat, GL_NONE, GL_NONE,
--
1.8.1.2
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