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[GL] Initial Implementation of Lighting LUTs

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This commit is contained in:
Sky 2023-07-02 16:14:11 -07:00
parent 769e90a45f
commit 12dbaeaeb0
6 changed files with 122 additions and 18 deletions
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33
src/core/PICA/regs.cpp
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@ -28,7 +28,19 @@ u32 GPU::readInternalReg(u32 index) {
Helpers::panic("Tried to read invalid GPU register. Index: %X\n", index);
return 0;
}
using namespace PICA::InternalRegs;
if(index>=LightingLUTData0&&index<=LightingLUTData7){
uint32_t ind = regs[LightingLUTIndex];
uint32_t lut_id = (ind>>8)&(0x1f);
uint32_t lut_addr = ind&0xff;
uint32_t value = 0xffffffff;
if(lut_id<LIGHT_LUT_COUNT){
value = lightingLUT[lut_id*256+lut_addr];
}
lut_addr+=1;
regs[LightingLUTIndex]=(ind&~0xff)|(lut_addr&0xff);
return value;
}
return regs[index];
}
@ -91,6 +103,25 @@ void GPU::writeInternalReg(u32 index, u32 value, u32 mask) {
break;
}
case LightingLUTData0:
case LightingLUTData1:
case LightingLUTData2:
case LightingLUTData3:
case LightingLUTData4:
case LightingLUTData5:
case LightingLUTData6:
case LightingLUTData7:{
uint32_t ind = regs[LightingLUTIndex];
uint32_t lut_id = (ind>>8)&(0x1f);
uint32_t lut_addr = ind&0xff;
if(lut_id<LIGHT_LUT_COUNT){
lightingLUT[lut_id*256+lut_addr]=newValue;
lightingLUTDirty = true;
}
lut_addr+=1;
regs[LightingLUTIndex]=(ind&~0xff)|(lut_addr&0xff);
} break;
case VertexFloatUniformIndex:
shaderUnit.vs.setFloatUniformIndex(value);
break;