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Fix T51463: Eevee motion blur not working (with AMD) 

GLSL needs FragColor to be initialized. The default vec4 value seems to be
implementation dependent. Or it's a bug on Mesa/AMD.
This commit is contained in:
Dalai Felinto 2017-06-15 11:31:43 +02:00
parent 826f3c715c
commit 1a7099f3ec
Notes: blender-bot 2023-02-14 10:11:54 +01:00 
Referenced by issue #51463, Eevee motion blur not workig with core profile
Referenced by issue #51433, Eevee and multi-view: Visual artifacts (blurness)
1 changed files with 2 additions and 0 deletions
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source/blender/draw/engines/eevee/shaders/effect_motion_blur_frag.glsl
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@ -56,6 +56,8 @@ void main()
float inc = 2.0 * inv_samples;
float i = -1.0 + noise;
FragColor = vec4(0.0, 0.0, 0.0, 1.0);
for (int j = 0; j < samples && j < MAX_SAMPLE; j++) {
FragColor += texture(colorBuffer, uvcoordsvar.xy + motion * i) * inv_samples;
i += inc;