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Add accurate shader multiplication option

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wheremyfoodat 2024-07-16 22:14:01 +03:00
parent 61e2e71f68
commit 0ecdf00e64
10 changed files with 20 additions and 12 deletions
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4
include/PICA/dynapica/shader_rec_emitter_x64.hpp
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@ -45,6 +45,8 @@ class ShaderEmitter : public Xbyak::CodeGenerator {
// Shows whether the loaded shader has any log2 and exp2 instructions
bool codeHasLog2 = false;
bool codeHasExp2 = false;
// Whether to compile this shader using accurate, safe, non-IEEE multiplication (slow) or faster but less accurate mul
bool useSafeMUL = false;
Xbyak::Label log2Func, exp2Func;
Xbyak::Label emitLog2Func();
@ -130,7 +132,7 @@ class ShaderEmitter : public Xbyak::CodeGenerator {
PrologueCallback prologueCb = nullptr;
// Initialize our emitter with "allocSize" bytes of RWX memory
ShaderEmitter() : Xbyak::CodeGenerator(allocSize) {
ShaderEmitter(bool useSafeMUL) : Xbyak::CodeGenerator(allocSize), useSafeMUL(useSafeMUL) {
cpuCaps = Xbyak::util::Cpu();
haveSSE4_1 = cpuCaps.has(Xbyak::util::Cpu::tSSE41);