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Merge pull request #520 from bunnei/shader-shl

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gl_shader_decompiler: Implement SHL instruction.
This commit is contained in:
bunnei
2018-06-05 10:08:42 -04:00
committed by GitHub
parent 8c99dd055c 799e632ccb
commit b54a72afc0
2 changed files with 48 additions and 15 deletions
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33
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -893,6 +893,35 @@ private:
}
break;
}
case OpCode::Type::Shift: {
std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, false);
std::string op_b;
if (instr.is_b_imm) {
op_b += '(' + std::to_string(instr.alu.GetSignedImm20_20()) + ')';
} else {
if (instr.is_b_gpr) {
op_b += regs.GetRegisterAsInteger(instr.gpr20);
} else {
op_b += regs.GetUniform(instr.uniform, GLSLRegister::Type::Integer);
}
}
switch (opcode->GetId()) {
case OpCode::Id::SHL_C:
case OpCode::Id::SHL_R:
case OpCode::Id::SHL_IMM:
regs.SetRegisterToInteger(instr.gpr0, true, 0, op_a + " << " + op_b, 1, 1);
break;
default: {
NGLOG_CRITICAL(HW_GPU, "Unhandled shift instruction: {}", opcode->GetName());
UNREACHABLE();
}
}
break;
}
case OpCode::Type::ScaledAdd: {
std::string op_a = regs.GetRegisterAsInteger(instr.gpr8);
@ -902,12 +931,12 @@ private:
std::string op_b = instr.iscadd.negate_b ? "-" : "";
if (instr.is_b_imm) {
op_b += '(' + std::to_string(instr.iscadd.GetImmediate()) + ')';
op_b += '(' + std::to_string(instr.alu.GetSignedImm20_20()) + ')';
} else {
if (instr.is_b_gpr) {
op_b += regs.GetRegisterAsInteger(instr.gpr20);
} else {
op_b += regs.GetUniform(instr.uniform, instr.gpr0);
op_b += regs.GetUniform(instr.uniform, GLSLRegister::Type::Integer);
}
}