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video_core: Implement IR based geometry shaders

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This commit is contained in:
ReinUsesLisp 2018-12-24 02:24:38 -03:00
parent a1b845b651
commit e1fea1e0c5
4 changed files with 102 additions and 10 deletions
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25
src/video_core/shader/decode/other.cpp
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@ -12,6 +12,7 @@ namespace VideoCommon::Shader {
using Tegra::Shader::ConditionCode;
using Tegra::Shader::Instruction;
using Tegra::Shader::OpCode;
using Tegra::Shader::Register;
u32 ShaderIR::DecodeOther(BasicBlock& bb, u32 pc) {
const Instruction instr = {program_code[pc]};
@ -140,6 +141,30 @@ u32 ShaderIR::DecodeOther(BasicBlock& bb, u32 pc) {
SetRegister(bb, instr.gpr0, value);
break;
}
case OpCode::Id::OUT_R: {
UNIMPLEMENTED_IF_MSG(instr.gpr20.Value() != Register::ZeroIndex,
"Stream buffer is not supported");
if (instr.out.emit) {
// gpr0 is used to store the next address and gpr8 contains the address to emit.
// Hardware uses pointers here but we just ignore it
bb.push_back(Operation(OperationCode::EmitVertex));
SetRegister(bb, instr.gpr0, Immediate(0));
}
if (instr.out.cut) {
bb.push_back(Operation(OperationCode::EndPrimitive));
}
break;
}
case OpCode::Id::ISBERD: {
UNIMPLEMENTED_IF(instr.isberd.o != 0);
UNIMPLEMENTED_IF(instr.isberd.skew != 0);
UNIMPLEMENTED_IF(instr.isberd.shift != Tegra::Shader::IsberdShift::None);
UNIMPLEMENTED_IF(instr.isberd.mode != Tegra::Shader::IsberdMode::None);
LOG_WARNING(HW_GPU, "ISBERD instruction is incomplete");
SetRegister(bb, instr.gpr0, GetRegister(instr.gpr8));
break;
}
case OpCode::Id::DEPBAR: {
LOG_WARNING(HW_GPU, "DEPBAR instruction is stubbed");
break;