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- fixed: Desaturation factor was applied incorrectly.

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- Also fixed some very strange thing in the shader's desaturate function. For unknown reasons using the 'mix' function there did not work.
- fixed: The fog boundary special shader could not be used.
This commit is contained in:
Christoph Oelckers 2014-05-21 13:40:46 +02:00
parent 0cf37f2e51
commit 54425ee2ef
2 changed files with 9 additions and 4 deletions
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4
src/gl/renderer/gl_renderstate.cpp
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@ -125,7 +125,7 @@ bool FRenderState::ApplyShader()
if (gl.hasGLSL())
{
FShader *activeShader;
if (mSpecialEffect > 0)
if (mSpecialEffect > EFF_NONE)
{
activeShader = GLRenderer->mShaderManager->BindEffect(mSpecialEffect);
}
@ -151,7 +151,7 @@ bool FRenderState::ApplyShader()
glColor4fv(mColor.vec);
activeShader->muDesaturation.Set(mDesaturation);
activeShader->muDesaturation.Set(mDesaturation / 255.f);
activeShader->muFogEnabled.Set(fogset);
activeShader->muTextureMode.Set(mTextureMode);
activeShader->muCameraPos.Set(mCameraPos.vec);

9
wadsrc/static/shaders/glsl/main.fp
View file

@ -31,8 +31,13 @@ vec4 desaturate(vec4 texel)
{
if (uDesaturationFactor > 0.0)
{
float gray = (texel.r * 0.3 + texel.g * 0.56 + texel.b * 0.14);
return mix (vec4(gray,gray,gray,texel.a), texel, uDesaturationFactor);
float gray = (texel.r * 0.3 + texel.g * 0.56 + texel.b * 0.14) * uDesaturationFactor;
vec4 desaturated = vec4(gray,gray,gray,texel.a);
// I have absolutely no idea why this works and 'mix' doesn't...
texel *= (1.0-uDesaturationFactor);
return texel + desaturated;
//return mix (desaturated, texel, uDesaturationFactor);
}
else
{