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gl_shader_decompiler: F2F: Implement rounding modes.

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bunnei
2018-06-06 22:21:29 -04:00
parent 03f877919d
commit 128aeba0f3
2 changed files with 35 additions and 10 deletions
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30
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -1056,10 +1056,27 @@ 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);
switch (instr.conversion.f2f.rounding) {
case Tegra::Shader::F2fRoundingOp::None:
break;
case Tegra::Shader::F2fRoundingOp::Floor:
op_a = "floor(" + op_a + ')';
break;
case Tegra::Shader::F2fRoundingOp::Ceil:
op_a = "ceil(" + op_a + ')';
break;
case Tegra::Shader::F2fRoundingOp::Trunc:
op_a = "trunc(" + op_a + ')';
break;
default:
NGLOG_CRITICAL(HW_GPU, "Unimplemented f2f rounding mode {}",
static_cast<u32>(instr.conversion.f2f.rounding.Value()));
UNREACHABLE();
break;
}
if (instr.conversion.abs_a) {
op_a = "abs(" + op_a + ')';
}
@ -1074,17 +1091,16 @@ private:
op_a = "abs(" + op_a + ')';
}
using Tegra::Shader::FloatRoundingOp;
switch (instr.conversion.f2i.rounding) {
case FloatRoundingOp::None:
case Tegra::Shader::F2iRoundingOp::None:
break;
case FloatRoundingOp::Floor:
case Tegra::Shader::F2iRoundingOp::Floor:
op_a = "floor(" + op_a + ')';
break;
case FloatRoundingOp::Ceil:
case Tegra::Shader::F2iRoundingOp::Ceil:
op_a = "ceil(" + op_a + ')';
break;
case FloatRoundingOp::Trunc:
case Tegra::Shader::F2iRoundingOp::Trunc:
op_a = "trunc(" + op_a + ')';
break;
default: