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Attempt workaround for fog issue #5384

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Henrik Rydgard 2014-03-22 23:49:14 +01:00
parent 8dfadf7b8e
commit 63aeb31e07
1 changed files with 8 additions and 0 deletions
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8
GPU/GLES/ShaderManager.cpp
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@ -387,6 +387,14 @@ void LinkedShader::UpdateUniforms(u32 vertType) {
// not really sure what a sensible value might be.
fogcoef[1] = fogcoef[1] < 0.0f ? -10000.0f : 10000.0f;
}
if (my_isnan(fogcoef[1])) {
// Workaround for https://github.com/hrydgard/ppsspp/issues/5384#issuecomment-38365988
// Just put the fog far away at a large finite distance.
// Infinities and NaNs are rather unpredictable in shaders on many GPUs
// so it's best to just make it a sane calculation.
fogcoef[0] = 100000.0f;
fogcoef[1] = 1.0f;
}
glUniform2fv(u_fogcoef, 1, fogcoef);
}