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Shader: implement EX2 and LG2 in JIT

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This commit is contained in:
aroulin 2015-08-16 17:22:49 +02:00
parent 638e47c04d
commit 7d3a6016d6
2 changed files with 22 additions and 2 deletions
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22
src/video_core/shader/shader_jit_x64.cpp
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@ -25,8 +25,8 @@ const JitFunction instr_table[64] = {
&JitCompiler::Compile_DP4, // dp4
nullptr, // dph
nullptr, // unknown
nullptr, // ex2
nullptr, // lg2
&JitCompiler::Compile_EX2, // ex2
&JitCompiler::Compile_LG2, // lg2
nullptr, // unknown
&JitCompiler::Compile_MUL, // mul
nullptr, // lge
@ -331,6 +331,24 @@ void JitCompiler::Compile_DP4(Instruction instr) {
Compile_DestEnable(instr, SRC1);
}
void JitCompiler::Compile_EX2(Instruction instr) {
Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
MOVSS(XMM0, R(SRC1));
ABI_CallFunction(reinterpret_cast<const void*>(exp2f));
SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(0, 0, 0, 0));
MOVAPS(SRC1, R(XMM0));
Compile_DestEnable(instr, SRC1);
}
void JitCompiler::Compile_LG2(Instruction instr) {
Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
MOVSS(XMM0, R(SRC1));
ABI_CallFunction(reinterpret_cast<const void*>(log2f));
SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(0, 0, 0, 0));
MOVAPS(SRC1, R(XMM0));
Compile_DestEnable(instr, SRC1);
}
void JitCompiler::Compile_MUL(Instruction instr) {
Compile_SwizzleSrc(instr, 1, instr.common.src1, SRC1);
Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);

2
src/video_core/shader/shader_jit_x64.h
View file

@ -37,6 +37,8 @@ public:
void Compile_ADD(Instruction instr);
void Compile_DP3(Instruction instr);
void Compile_DP4(Instruction instr);
void Compile_EX2(Instruction instr);
void Compile_LG2(Instruction instr);
void Compile_MUL(Instruction instr);
void Compile_FLR(Instruction instr);
void Compile_MAX(Instruction instr);