diff options
| author | gdkchan <gab.dark.100@gmail.com> | 2021-10-12 17:35:31 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-10-12 22:35:31 +0200 |
| commit | a7109c767bdc014327b574012794156c92174495 (patch) | |
| tree | d7d7db6eaa63d4e3e0396a3182d0267b6ad31dd7 /Ryujinx.Graphics.Shader/Decoders/DecoderHelper.cs | |
| parent | 0510fde25ae66ec0b55091746a52931248d75b89 (diff) | |
Rewrite shader decoding stage (#2698)
* Rewrite shader decoding stage
* Fix P2R constant buffer encoding
* Fix PSET/PSETP
* PR feedback
* Log unimplemented shader instructions
* Implement NOP
* Remove using
* PR feedback
Diffstat (limited to 'Ryujinx.Graphics.Shader/Decoders/DecoderHelper.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/Decoders/DecoderHelper.cs | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/Ryujinx.Graphics.Shader/Decoders/DecoderHelper.cs b/Ryujinx.Graphics.Shader/Decoders/DecoderHelper.cs deleted file mode 100644 index 3585c35f..00000000 --- a/Ryujinx.Graphics.Shader/Decoders/DecoderHelper.cs +++ /dev/null @@ -1,74 +0,0 @@ -using System; - -namespace Ryujinx.Graphics.Shader.Decoders -{ - static class DecoderHelper - { - public static int DecodeS20Immediate(long opCode) - { - int imm = opCode.Extract(20, 19); - - bool sign = opCode.Extract(56); - - if (sign) - { - imm = (imm << 13) >> 13; - } - - return imm; - } - - public static int Decode2xF10Immediate(long opCode) - { - int immH0 = opCode.Extract(20, 9); - int immH1 = opCode.Extract(30, 9); - - bool negateH0 = opCode.Extract(29); - bool negateH1 = opCode.Extract(56); - - if (negateH0) - { - immH0 |= 1 << 9; - } - - if (negateH1) - { - immH1 |= 1 << 9; - } - - return immH1 << 22 | immH0 << 6; - } - - public static float DecodeF20Immediate(long opCode) - { - int imm = opCode.Extract(20, 19); - - bool negate = opCode.Extract(56); - - imm <<= 12; - - if (negate) - { - imm |= 1 << 31; - } - - return BitConverter.Int32BitsToSingle(imm); - } - - public static float DecodeD20Immediate(long opCode) - { - long imm = opCode.Extract(20, 19); - - bool negate = opCode.Extract(56); - - imm <<= 44; - - if (negate) - { - imm |= 1L << 63; - } - - return (float)BitConverter.Int64BitsToDouble(imm); - } - } -}
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