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Merge pull request #1037 from aroulin/shader-ex2-lg2
Shader: Implement EX2 and LG2 in interpreter/JIT
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commit
026379ed55
@ -334,6 +334,42 @@ void RunInterpreter(UnitState<Debug>& state) {
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Record<DebugDataRecord::CMP_RESULT>(state.debug, iteration, state.conditional_code);
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break;
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case OpCode::Id::EX2:
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{
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Record<DebugDataRecord::SRC1>(state.debug, iteration, src1);
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Record<DebugDataRecord::DEST_IN>(state.debug, iteration, dest);
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// EX2 only takes first component exp2 and writes it to all dest components
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float24 ex2_res = float24::FromFloat32(std::exp2(src1[0].ToFloat32()));
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for (int i = 0; i < 4; ++i) {
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if (!swizzle.DestComponentEnabled(i))
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continue;
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dest[i] = ex2_res;
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}
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Record<DebugDataRecord::DEST_OUT>(state.debug, iteration, dest);
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break;
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}
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case OpCode::Id::LG2:
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{
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Record<DebugDataRecord::SRC1>(state.debug, iteration, src1);
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Record<DebugDataRecord::DEST_IN>(state.debug, iteration, dest);
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// LG2 only takes the first component log2 and writes it to all dest components
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float24 lg2_res = float24::FromFloat32(std::log2(src1[0].ToFloat32()));
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for (int i = 0; i < 4; ++i) {
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if (!swizzle.DestComponentEnabled(i))
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continue;
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dest[i] = lg2_res;
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}
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Record<DebugDataRecord::DEST_OUT>(state.debug, iteration, dest);
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break;
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}
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default:
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LOG_ERROR(HW_GPU, "Unhandled arithmetic instruction: 0x%02x (%s): 0x%08x",
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(int)instr.opcode.Value().EffectiveOpCode(), instr.opcode.Value().GetInfo().name, instr.hex);
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@ -25,8 +25,8 @@ const JitFunction instr_table[64] = {
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&JitCompiler::Compile_DP4, // dp4
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nullptr, // dph
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nullptr, // unknown
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nullptr, // ex2
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nullptr, // lg2
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&JitCompiler::Compile_EX2, // ex2
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&JitCompiler::Compile_LG2, // lg2
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nullptr, // unknown
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&JitCompiler::Compile_MUL, // mul
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nullptr, // lge
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@ -331,6 +331,24 @@ void JitCompiler::Compile_DP4(Instruction instr) {
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Compile_DestEnable(instr, SRC1);
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}
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void JitCompiler::Compile_EX2(Instruction instr) {
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Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
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MOVSS(XMM0, R(SRC1));
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ABI_CallFunction(reinterpret_cast<const void*>(exp2f));
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SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(0, 0, 0, 0));
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MOVAPS(SRC1, R(XMM0));
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Compile_DestEnable(instr, SRC1);
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}
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void JitCompiler::Compile_LG2(Instruction instr) {
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Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
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MOVSS(XMM0, R(SRC1));
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ABI_CallFunction(reinterpret_cast<const void*>(log2f));
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SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(0, 0, 0, 0));
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MOVAPS(SRC1, R(XMM0));
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Compile_DestEnable(instr, SRC1);
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}
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void JitCompiler::Compile_MUL(Instruction instr) {
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Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
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Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
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@ -37,6 +37,8 @@ public:
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void Compile_ADD(Instruction instr);
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void Compile_DP3(Instruction instr);
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void Compile_DP4(Instruction instr);
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void Compile_EX2(Instruction instr);
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void Compile_LG2(Instruction instr);
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void Compile_MUL(Instruction instr);
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void Compile_FLR(Instruction instr);
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void Compile_MAX(Instruction instr);
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