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wheremyfoodat 2023-07-04 18:15:27 +03:00
parent 0f66527cbe
commit e854d4ba63
4 changed files with 92 additions and 67 deletions
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47
src/core/PICA/regs.cpp
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@ -24,23 +24,29 @@ void GPU::writeReg(u32 address, u32 value) {
}
u32 GPU::readInternalReg(u32 index) {
using namespace PICA::InternalRegs;
if (index > regNum) {
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];
else if (index >= LightingLUTData0 && index <= LightingLUTData7) {
const uint32_t index = regs[LightingLUTIndex]; // Get full LUT index register
const uint32_t lutID = getBits<8, 5>(index); // Get which LUT we're actually writing to
uint32_t lutIndex = getBits<0, 8>(index); // And get the index inside the LUT we're writing to
uint32_t value = 0xffffffff; // Return value
if (lutID < PICA::Lights::LUT_Count) {
value = lightingLUT[lutID * 256 + lutIndex];
}
lut_addr+=1;
regs[LightingLUTIndex]=(ind&~0xff)|(lut_addr&0xff);
// Increment the bottom 8 bits of the lighting LUT index register
lutIndex += 1;
regs[LightingLUTIndex] = (index & ~0xff) | (lutIndex & 0xff);
return value;
}
return regs[index];
}
@ -111,16 +117,21 @@ void GPU::writeInternalReg(u32 index, u32 value, u32 mask) {
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;
const uint32_t index = regs[LightingLUTIndex]; // Get full LUT index register
const uint32_t lutID = getBits<8, 5>(index); // Get which LUT we're actually writing to
uint32_t lutIndex = getBits<0, 8>(index); // And get the index inside the LUT we're writing to
if (lutID < PICA::Lights::LUT_Count) {
lightingLUT[lutID * 256 + lutIndex] = newValue;
lightingLUTDirty = true;
}
lut_addr+=1;
regs[LightingLUTIndex]=(ind&~0xff)|(lut_addr&0xff);
} break;
// Increment the bottom 8 bits of the lighting LUT index register
lutIndex += 1;
regs[LightingLUTIndex] = (index & ~0xff) | (lutIndex & 0xff);
break;
}
case VertexFloatUniformIndex:
shaderUnit.vs.setFloatUniformIndex(value);