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libkwineffects/kwinglutils.cpp
| Show First 20 Lines • Show All 341 Lines • ▼ Show 20 Line(s) | 332 | { | |||
|---|---|---|---|---|---|
| 342 | 342 | | |||
| 343 | mVec2Location[Offset] = uniformLocation("offset"); | 343 | mVec2Location[Offset] = uniformLocation("offset"); | ||
| 344 | 344 | | |||
| 345 | mVec4Location[ModulationConstant] = uniformLocation("modulation"); | 345 | mVec4Location[ModulationConstant] = uniformLocation("modulation"); | ||
| 346 | 346 | | |||
| 347 | mFloatLocation[Saturation] = uniformLocation("saturation"); | 347 | mFloatLocation[Saturation] = uniformLocation("saturation"); | ||
| 348 | 348 | | |||
| 349 | mColorLocation[Color] = uniformLocation("geometryColor"); | 349 | mColorLocation[Color] = uniformLocation("geometryColor"); | ||
| 350 | mVec4Location[TextureClamp] = uniformLocation("textureClamp"); | ||||
| 350 | 351 | | |||
| 351 | mLocationsResolved = true; | 352 | mLocationsResolved = true; | ||
| 352 | } | 353 | } | ||
| 353 | 354 | | |||
| 354 | int GLShader::uniformLocation(const char *name) | 355 | int GLShader::uniformLocation(const char *name) | ||
| 355 | { | 356 | { | ||
| 356 | const int location = glGetUniformLocation(mProgram, name); | 357 | const int location = glGetUniformLocation(mProgram, name); | ||
| 357 | return location; | 358 | return location; | ||
| ▲ Show 20 Lines • Show All 514 Lines • ▼ Show 20 Line(s) | 868 | if (traits & ShaderTrait::MapTexture) { | |||
| 872 | if (traits & ShaderTrait::AdjustSaturation) | 873 | if (traits & ShaderTrait::AdjustSaturation) | ||
| 873 | stream << "uniform float saturation;\n"; | 874 | stream << "uniform float saturation;\n"; | ||
| 874 | 875 | | |||
| 875 | stream << "\n" << varying << " vec2 texcoord0;\n"; | 876 | stream << "\n" << varying << " vec2 texcoord0;\n"; | ||
| 876 | 877 | | |||
| 877 | } else if (traits & ShaderTrait::UniformColor) | 878 | } else if (traits & ShaderTrait::UniformColor) | ||
| 878 | stream << "uniform vec4 geometryColor;\n"; | 879 | stream << "uniform vec4 geometryColor;\n"; | ||
| 879 | 880 | | |||
| 881 | if (traits & ShaderTrait::ClampTexture) { | ||||
| 882 | stream << "uniform vec4 textureClamp;\n"; | ||||
| 883 | } | ||||
| 884 | | ||||
| 880 | if (output != QByteArrayLiteral("gl_FragColor")) | 885 | if (output != QByteArrayLiteral("gl_FragColor")) | ||
| 881 | stream << "\nout vec4 " << output << ";\n"; | 886 | stream << "\nout vec4 " << output << ";\n"; | ||
| 882 | 887 | | |||
| 883 | stream << "\nvoid main(void)\n{\n"; | 888 | stream << "\nvoid main(void)\n{\n"; | ||
| 884 | if (traits & ShaderTrait::MapTexture) { | 889 | if (traits & ShaderTrait::MapTexture) { | ||
| 885 | if (traits & (ShaderTrait::Modulate | ShaderTrait::AdjustSaturation)) { | 890 | stream << "vec2 texcoordC = texcoord0;\n"; | ||
| 886 | stream << " vec4 texel = " << textureLookup << "(sampler, texcoord0);\n"; | | |||
| 887 | 891 | | |||
| 892 | if (traits & ShaderTrait::ClampTexture) { | ||||
| 893 | stream << "texcoordC.x = clamp(texcoordC.x, textureClamp.x, textureClamp.z);\n"; | ||||
| 894 | stream << "texcoordC.y = clamp(texcoordC.y, textureClamp.y, textureClamp.w);\n"; | ||||
| 895 | } | ||||
| 896 | | ||||
| 897 | if (traits & (ShaderTrait::Modulate | ShaderTrait::AdjustSaturation)) { | ||||
| 898 | stream << " vec4 texel = " << textureLookup << "(sampler, texcoordC);\n"; | ||||
| 888 | if (traits & ShaderTrait::Modulate) | 899 | if (traits & ShaderTrait::Modulate) | ||
| 889 | stream << " texel *= modulation;\n"; | 900 | stream << " texel *= modulation;\n"; | ||
| 890 | if (traits & ShaderTrait::AdjustSaturation) | 901 | if (traits & ShaderTrait::AdjustSaturation) | ||
| 891 | stream << " texel.rgb = mix(vec3(dot(texel.rgb, vec3(0.2126, 0.7152, 0.0722))), texel.rgb, saturation);\n"; | 902 | stream << " texel.rgb = mix(vec3(dot(texel.rgb, vec3(0.2126, 0.7152, 0.0722))), texel.rgb, saturation);\n"; | ||
| 892 | 903 | | |||
| 893 | stream << " " << output << " = texel;\n"; | 904 | stream << " " << output << " = texel;\n"; | ||
| 894 | } else { | 905 | } else { | ||
| 895 | stream << " " << output << " = " << textureLookup << "(sampler, texcoord0);\n"; | 906 | stream << " " << output << " = " << textureLookup << "(sampler, texcoordC);\n"; | ||
| 896 | } | 907 | } | ||
| 897 | } else if (traits & ShaderTrait::UniformColor) | 908 | } else if (traits & ShaderTrait::UniformColor) | ||
| 898 | stream << " " << output << " = geometryColor;\n"; | 909 | stream << " " << output << " = geometryColor;\n"; | ||
| 899 | 910 | | |||
| 900 | stream << "}"; | 911 | stream << "}"; | ||
| 901 | stream.flush(); | 912 | stream.flush(); | ||
| 902 | return source; | 913 | return source; | ||
| 903 | } | 914 | } | ||
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