Mesa (master): mesa/gles: Allow format GL_RED to be used with MESA_FORMAT_R_UNORM
Jordan Justen
jljusten at kemper.freedesktop.org
Mon Apr 25 19:11:56 UTC 2016
Module: Mesa
Branch: master
Commit: 50b82ecd772ff8f59974618f852fedf98bbe77a6
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=50b82ecd772ff8f59974618f852fedf98bbe77a6
Author: Jordan Justen <jordan.l.justen at intel.com>
Date: Sun Apr 24 19:38:03 2016 -0700
mesa/gles: Allow format GL_RED to be used with MESA_FORMAT_R_UNORM
If the bound framebuffer has a format of MESA_FORMAT_R_UNORM, then
IMPLEMENTATION_COLOR_READ_FORMAT will return GL_RED. This change
applies to OpenGLES contexts where additional restrictions are placed
on the formats that are allowed to be supported.
Fixes OpenGLES 3.1 CTS tests:
* ES31-CTS.texture_border_clamp.sampling_texture.Texture2DDC16
* ES31-CTS.texture_border_clamp.sampling_texture.Texture2DDC16Linear
* ES31-CTS.texture_border_clamp.sampling_texture.Texture2DDC32F
* ES31-CTS.texture_border_clamp.sampling_texture.Texture2DDC32FLinear
Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/main/framebuffer.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index f69dc6c..38bd680 100644
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -858,6 +858,8 @@ _mesa_get_color_read_format(struct gl_context *ctx)
return GL_BGRA;
else if (format == MESA_FORMAT_B5G6R5_UNORM)
return GL_BGR;
+ else if (format == MESA_FORMAT_R_UNORM8)
+ return GL_RED;
switch (data_type) {
case GL_UNSIGNED_INT:
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