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@ -1280,13 +1280,13 @@ private:
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header.ps.IsColorComponentOutputEnabled(render_target, 1) ||
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header.ps.IsColorComponentOutputEnabled(render_target, 2) ||
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header.ps.IsColorComponentOutputEnabled(render_target, 3)) {
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shader.AddLine(fmt::format("if ({} < alpha_testing_ref) discard;",
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shader.AddLine(fmt::format("if (AlphaFunc({}, alpha_testing_ref, alpha_testing_func)) discard;",
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regs.GetRegisterAsFloat(current_reg)));
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current_reg += 4;
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}
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}
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--shader.scope;
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shader.AddLine("}");
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shader.AddLine('}');
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// Write the color outputs using the data in the shader registers, disabled
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// rendertargets/components are skipped in the register assignment.
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@ -3505,6 +3505,38 @@ private:
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declarations.AddLine("bool " + pred + " = false;");
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}
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declarations.AddNewLine();
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GenerateFunctionDeclarations();
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}
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void GenerateFunctionDeclarations() {
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if (stage == Maxwell3D::Regs::ShaderStage::Fragment) {
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declarations.AddLine("bool AlphaFunc(in float value, in float ref, in uint func) {");
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declarations.scope++;
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declarations.AddLine("switch (func) {");
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declarations.scope++;
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declarations.AddLine("case 1:");
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declarations.AddLine("return false;");
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declarations.AddLine("case 2:");
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declarations.AddLine("return value < ref;");
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declarations.AddLine("case 3:");
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declarations.AddLine("return value == ref;");
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declarations.AddLine("case 4:");
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declarations.AddLine("return value <= ref;");
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declarations.AddLine("case 5:");
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declarations.AddLine("return value > ref;");
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declarations.AddLine("case 6:");
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declarations.AddLine("return value != ref;");
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declarations.AddLine("case 7:");
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declarations.AddLine("return value >= ref;");
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declarations.AddLine("case 8:");
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declarations.AddLine("return true;");
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declarations.AddLine("default:");
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declarations.AddLine("return false;");
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declarations.scope--;
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declarations.AddLine('}');
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declarations.scope--;
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declarations.AddLine('}');
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}
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}
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private:
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