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MetaBackgroundActor: glsl: do not mix int and float.

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Implicit conversion from int to float is not supported by
GLSL ES.

Fixes:
(gnome-shell:8954): Cogl-WARNING **: Shader compilation failed:
1:2: P0004: High precision not supported, instead compiling high precision as medium precision
4:17: S0001: Type mismatch in arithmetic operation between 'int' and 'float'
when one trigger the overview mode on Mali 400 r1p1 GPU.

https://bugzilla.gnome.org/show_bug.cgi?id=745442
This commit is contained in:
Alban Browaeys 2015-03-02 11:34:40 +01:00 committed by Adel Gadllah
parent fffb863f37
commit f858f66fe0
1 changed files with 1 additions and 1 deletions
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2
src/compositor/meta-background-actor.c
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@ -115,7 +115,7 @@ typedef enum {
#define FRAGMENT_SHADER_CODE \
"float t = 2.0 * length(position);\n" \
"t = min(t, 1.0);\n" \
"float pixel_brightness = 1 - t * vignette_sharpness;\n" \
"float pixel_brightness = 1.0 - t * vignette_sharpness;\n" \
"cogl_color_out.rgb = cogl_color_out.rgb * pixel_brightness;\n" \
typedef struct _MetaBackgroundLayer MetaBackgroundLayer;