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GPU: Implemented the F2I_R shader instruction.

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This commit is contained in:
Subv 2018-06-04 18:05:12 -05:00
parent e8bfff7b4b
commit 4b89348c00
2 changed files with 64 additions and 7 deletions
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47
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -929,18 +929,20 @@ private:
ASSERT_MSG(!instr.conversion.selector, "Unimplemented");
std::string op_a =
regs.GetRegisterAsInteger(instr.gpr20, 0, instr.conversion.is_signed);
regs.GetRegisterAsInteger(instr.gpr20, 0, instr.conversion.is_input_signed);
if (instr.conversion.abs_a) {
op_a = "abs(" + op_a + ')';
}
regs.SetRegisterToInteger(instr.gpr0, instr.conversion.is_signed, 0, op_a, 1, 1);
regs.SetRegisterToInteger(instr.gpr0, instr.conversion.is_output_signed, 0, op_a, 1,
1);
break;
}
case OpCode::Id::I2F_R: {
ASSERT_MSG(!instr.conversion.selector, "Unimplemented");
std::string op_a =
regs.GetRegisterAsInteger(instr.gpr20, 0, instr.conversion.is_signed);
regs.GetRegisterAsInteger(instr.gpr20, 0, instr.conversion.is_input_signed);
if (instr.conversion.abs_a) {
op_a = "abs(" + op_a + ')';
@ -950,6 +952,8 @@ private:
break;
}
case OpCode::Id::F2F_R: {
// TODO(Subv): Implement rounding operations.
ASSERT_MSG(instr.conversion.f2f.rounding == 0, "Unimplemented rounding operation");
std::string op_a = regs.GetRegisterAsFloat(instr.gpr20);
if (instr.conversion.abs_a) {
@ -959,6 +963,43 @@ private:
regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1);
break;
}
case OpCode::Id::F2I_R: {
std::string op_a = regs.GetRegisterAsFloat(instr.gpr20);
if (instr.conversion.abs_a) {
op_a = "abs(" + op_a + ')';
}
using Tegra::Shader::FloatRoundingOp;
switch (instr.conversion.f2i.rounding) {
case FloatRoundingOp::None:
break;
case FloatRoundingOp::Floor:
op_a = "floor(" + op_a + ')';
break;
case FloatRoundingOp::Ceil:
op_a = "ceil(" + op_a + ')';
break;
case FloatRoundingOp::Trunc:
op_a = "trunc(" + op_a + ')';
break;
default:
NGLOG_CRITICAL(HW_GPU, "Unimplemented f2i rounding mode {}",
static_cast<u32>(instr.conversion.f2i.rounding.Value()));
UNREACHABLE();
break;
}
if (instr.conversion.is_output_signed) {
op_a = "int(" + op_a + ')';
} else {
op_a = "uint(" + op_a + ')';
}
regs.SetRegisterToInteger(instr.gpr0, instr.conversion.is_output_signed, 0, op_a, 1,
1);
break;
}
default: {
NGLOG_CRITICAL(HW_GPU, "Unhandled conversion instruction: {}", opcode->GetName());
UNREACHABLE();