OpenGL3: Drop unused fixed-function emulation materials

[irrlicht.git] / media / Shaders / LightmapAdd.fsh

diff --git a/media/Shaders/LightmapAdd.fsh b/media/Shaders/LightmapAdd.fsh
deleted file mode 100644 (file)
index 895625f..0000000
--- a/media/Shaders/LightmapAdd.fsh
+++ /dev/null
@@ -1,72 +0,0 @@
-#version 100
-
-precision mediump float;
-
-/* Uniforms */
-
-uniform int uTextureUsage0;
-uniform int uTextureUsage1;
-uniform sampler2D uTextureUnit0;
-uniform sampler2D uTextureUnit1;
-uniform int uFogEnable;
-uniform int uFogType;
-uniform vec4 uFogColor;
-uniform float uFogStart;
-uniform float uFogEnd;
-uniform float uFogDensity;
-
-/* Varyings */
-
-varying vec2 vTextureCoord0;
-varying vec2 vTextureCoord1;
-varying vec4 vVertexColor;
-varying vec4 vSpecularColor;
-varying float vFogCoord;
-
-float computeFog()
-{
-       const float LOG2 = 1.442695;
-       float FogFactor = 0.0;
-
-       if (uFogType == 0) // Exp
-       {
-               FogFactor = exp2(-uFogDensity * vFogCoord * LOG2);
-       }
-       else if (uFogType == 1) // Linear
-       {
-               float Scale = 1.0 / (uFogEnd - uFogStart);
-               FogFactor = (uFogEnd - vFogCoord) * Scale;
-       }
-       else if (uFogType == 2) // Exp2
-       {
-               FogFactor = exp2(-uFogDensity * uFogDensity * vFogCoord * vFogCoord * LOG2);
-       }
-
-       FogFactor = clamp(FogFactor, 0.0, 1.0);
-
-       return FogFactor;
-}
-
-void main()
-{
-       vec4 Color0 = vec4(1.0, 1.0, 1.0, 1.0);
-       vec4 Color1 = vec4(1.0, 1.0, 1.0, 1.0);
-
-       if (bool(uTextureUsage0))
-               Color0 = texture2D(uTextureUnit0, vTextureCoord0);
-
-       if (bool(uTextureUsage1))
-               Color1 = texture2D(uTextureUnit1, vTextureCoord1);
-
-       vec4 FinalColor = (Color0 + Color1) * vVertexColor + vSpecularColor;
-
-       if (bool(uFogEnable))
-       {
-               float FogFactor = computeFog();
-               vec4 FogColor = uFogColor;
-               FogColor.a = 1.0;
-               FinalColor = mix(FogColor, FinalColor, FogFactor);
-       }
-
-       gl_FragColor = FinalColor;
-}