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gl_shader_decompiler: Implement SHL instruction.

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This commit is contained in:
bunnei 2018-06-04 22:15:19 -04:00
parent 00749f5ab3
commit c23c30c76f
2 changed files with 47 additions and 14 deletions
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31
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -884,6 +884,35 @@ 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);
@ -893,7 +922,7 @@ 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);