gl_arb_decompiler: Implement FSwizzleAdd
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@ -786,6 +786,8 @@ ARBDecompiler::ARBDecompiler(const Device& device, const ShaderIR& ir, const Reg
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ShaderType stage, std::string_view identifier)
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: device{device}, ir{ir}, registry{registry}, stage{stage} {
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AddLine("TEMP RC;");
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AddLine("TEMP FSWZA[4];");
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AddLine("TEMP FSWZB[4];");
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if (ir.IsDecompiled()) {
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DecompileAST();
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} else {
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@ -991,6 +993,15 @@ void ARBDecompiler::DeclareInternalFlags() {
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}
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void ARBDecompiler::InitializeVariables() {
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AddLine("MOV.F32 FSWZA[0], -1;");
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AddLine("MOV.F32 FSWZA[1], 1;");
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AddLine("MOV.F32 FSWZA[2], -1;");
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AddLine("MOV.F32 FSWZA[3], 0;");
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AddLine("MOV.F32 FSWZB[0], -1;");
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AddLine("MOV.F32 FSWZB[1], -1;");
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AddLine("MOV.F32 FSWZB[2], 1;");
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AddLine("MOV.F32 FSWZB[3], -1;");
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if (stage == ShaderType::Vertex || stage == ShaderType::Geometry) {
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AddLine("MOV.F result.position, {{0, 0, 0, 1}};");
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}
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@ -1570,10 +1581,22 @@ std::string ARBDecompiler::FSqrt(Operation operation) {
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}
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std::string ARBDecompiler::FSwizzleAdd(Operation operation) {
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LOG_WARNING(Render_OpenGL, "(STUBBED)");
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const std::string temporary = AllocTemporary();
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AddLine("ADD.F {}, {}, {};", temporary, Visit(operation[0]), Visit(operation[1]));
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return temporary;
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const std::string temporary = AllocVectorTemporary();
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if (!device.HasWarpIntrinsics()) {
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LOG_ERROR(Render_OpenGL,
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"NV_shader_thread_shuffle is missing. Kepler or better is required.");
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AddLine("ADD.F {}.x, {}, {};", temporary, Visit(operation[0]), Visit(operation[1]));
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return fmt::format("{}.x", temporary);
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}
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const std::string lut = AllocVectorTemporary();
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AddLine("AND.U {}.z, {}.threadid, 3;", temporary, StageInputName(stage));
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AddLine("SHL.U {}.z, {}.z, 1;", temporary, temporary);
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AddLine("SHR.U {}.z, {}, {}.z;", temporary, Visit(operation[2]), temporary);
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AddLine("AND.U {}.z, {}.z, 3;", temporary, temporary);
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AddLine("MUL.F32 {}.x, {}, FSWZA[{}.z];", temporary, Visit(operation[0]), temporary);
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AddLine("MUL.F32 {}.y, {}, FSWZB[{}.z];", temporary, Visit(operation[1]), temporary);
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AddLine("ADD.F32 {}.x, {}.x, {}.y;", temporary, temporary, temporary);
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return fmt::format("{}.x", temporary);
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}
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std::string ARBDecompiler::HAdd2(Operation operation) {
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