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| author | bunnei <bunneidev@gmail.com> | 2018-06-05 22:01:29 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-06-05 22:01:29 -0400 |
| commit | 5fb99e6a166786eab5e1f8c656fe8431b3e11255 (patch) | |
| tree | f9a689d4c732095234417560247a32622df39be8 /src/video_core/renderer_opengl | |
| parent | 6e8e1a4110a3cb9b009173e5deac1f1bdc40cbb0 (diff) | |
| parent | 4b89348c0046e69c3419a587d2bc19e1c411e39c (diff) | |
Merge pull request #516 from Subv/f2i_r
GPU: Implemented the F2I_R shader instruction.
Diffstat (limited to 'src/video_core/renderer_opengl')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index f886e49ca..4a41e7798 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -991,18 +991,20 @@ 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 + ')'; @@ -1012,6 +1014,8 @@ 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) { @@ -1021,6 +1025,43 @@ 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(); |