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[PICA] Alpha test and some new registers

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wheremyfoodat 2022-10-01 02:40:08 +03:00
parent 6adc56df4e
commit 8b85255f4c
6 changed files with 104 additions and 29 deletions
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49
src/core/PICA/shader_interpreter.cpp
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@ -101,9 +101,9 @@ PICAShader::vec4f PICAShader::getSource(u32 source) {
}
PICAShader::vec4f& PICAShader::getDest(u32 dest) {
if (dest <= 0x6) {
if (dest < 0x10) {
return outputs[dest];
} else if (dest >= 0x10 && dest <= 0x1f) { // Temporary registers
} else if (dest < 0x20) {
return tempRegisters[dest - 0x10];
}
Helpers::panic("[PICA] Unimplemented dest: %X", dest);
@ -298,15 +298,15 @@ void PICAShader::mad(u32 instruction) {
src2 = getIndexedSource(src2, idx);
auto src1Vec = getSourceSwizzled<1>(src1, operandDescriptor);
auto src2Vec = getSourceSwizzled<2>(src2, operandDescriptor);
auto src3Vec = getSourceSwizzled<3>(src3, operandDescriptor);
auto srcVec1 = getSourceSwizzled<1>(src1, operandDescriptor);
auto srcVec2 = getSourceSwizzled<2>(src2, operandDescriptor);
auto srcVec3 = getSourceSwizzled<3>(src3, operandDescriptor);
auto& destVector = getDest(dest);
u32 componentMask = operandDescriptor & 0xf;
for (int i = 0; i < 4; i++) {
if (componentMask & (1 << i)) {
destVector[3 - i] = src1Vec[3 - i] * src2Vec[3 - i] + src3Vec[3 - i];
destVector[3 - i] = srcVec1[3 - i] * srcVec2[3 - i] + srcVec3[3 - i];
}
}
}
@ -374,6 +374,25 @@ void PICAShader::ifc(u32 instruction) {
}
}
void PICAShader::ifu(u32 instruction) {
const u32 dest = (instruction >> 10) & 0xfff;
const u32 bit = (instruction >> 22) & 0xf; // Bit of the bool uniform to check
if (boolUniform & (1 << bit)) {
if (ifIndex >= 8) [[unlikely]]
Helpers::panic("[PICA] Overflowed IF stack");
const u32 num = instruction & 0xff;
auto& block = conditionalInfo[ifIndex++];
block.endingPC = dest;
block.newPC = dest + num;
}
else {
pc = dest;
}
}
void PICAShader::callu(u32 instruction) {
const u32 bit = (instruction >> 22) & 0xf; // Bit of the bool uniform to check
@ -392,24 +411,6 @@ void PICAShader::callu(u32 instruction) {
}
}
void PICAShader::ifu(u32 instruction) {
const u32 dest = (instruction >> 10) & 0xfff;
const u32 bit = (instruction >> 22) & 0xf; // Bit of the bool uniform to check
if (boolUniform & (1 << bit)) {
if (ifIndex >= 8) [[unlikely]]
Helpers::panic("[PICA] Overflowed IF stack");
const u32 num = instruction & 0xff;
auto& block = conditionalInfo[ifIndex++];
block.endingPC = dest;
block.newPC = dest + num;
} else {
pc = dest;
}
}
void PICAShader::loop(u32 instruction) {
if (loopIndex >= 4) [[unlikely]]
Helpers::panic("[PICA] Overflowed loop stack");