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Fragment shader gen: Properly track TEV outputs

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wheremyfoodat 2024-02-02 01:51:37 +02:00
parent 7e77af0de8
commit 0be8c45e37
1 changed files with 7 additions and 1 deletions
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8
src/core/PICA/shader_gen_glsl.cpp
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@ -26,7 +26,7 @@ std::string FragmentGenerator::generate(const PICARegs& regs) {
flat in vec4 v_textureEnvColor[6];
flat in vec4 v_textureEnvBufferColor;
out vec4 fragColour;
out vec4 fragColor;
uniform sampler2D u_tex0;
uniform sampler2D u_tex1;
uniform sampler2D u_tex2;
@ -50,6 +50,7 @@ std::string FragmentGenerator::generate(const PICARegs& regs) {
tevSources[0] = v_colour;
tevSources[13] = vec4(0.0); // Previous buffer colour
tevSources[15] = v_colour; // Previous combiner
vec4 combinerOutput = v_colour; // Last TEV output
)";
ret += R"(
@ -66,6 +67,7 @@ std::string FragmentGenerator::generate(const PICARegs& regs) {
compileTEV(ret, i, regs);
}
ret += "fragColor = combinerOutput;\n";
ret += "}"; // End of main function
ret += "\n\n\n\n\n\n\n\n\n\n\n\n\n";
@ -114,6 +116,10 @@ void FragmentGenerator::compileTEV(std::string& shader, int stage, const PICAReg
shader += ";\nvec3 outputAlpha" + std::to_string(stage) + " = 1.0";
shader += ";\n";
}
shader += "combinerOutput = vec4(clamp(outputColor" + std::to_string(stage) + " * " + std::to_string(tev.getColorScale()) +
".0, vec3(0.0), vec3(1.0)), clamp(outputAlpha" + std::to_string(stage) + " * " + std::to_string(tev.getAlphaScale()) +
".0, 0.0, 1.0));\n";
}
}