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Diffstat (limited to 'Ryujinx.Graphics.Shader/Translation/GlobalMemory.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/Translation/GlobalMemory.cs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Shader/Translation/GlobalMemory.cs b/Ryujinx.Graphics.Shader/Translation/GlobalMemory.cs new file mode 100644 index 00000000..4b5dbccb --- /dev/null +++ b/Ryujinx.Graphics.Shader/Translation/GlobalMemory.cs @@ -0,0 +1,46 @@ +using Ryujinx.Graphics.Shader.IntermediateRepresentation; + +namespace Ryujinx.Graphics.Shader.Translation +{ + static class GlobalMemory + { + private const int StorageDescsBaseOffset = 0x44; // In words. + + public const int StorageDescSize = 4; // In words. + public const int StorageMaxCount = 16; + + public const int StorageDescsSize = StorageDescSize * StorageMaxCount; + + public static bool UsesGlobalMemory(Instruction inst) + { + return (inst.IsAtomic() && IsGlobalMr(inst)) || + inst == Instruction.LoadGlobal || + inst == Instruction.StoreGlobal; + } + + private static bool IsGlobalMr(Instruction inst) + { + return (inst & Instruction.MrMask) == Instruction.MrGlobal; + } + + public static int GetStorageCbOffset(ShaderStage stage, int slot) + { + return GetStorageBaseCbOffset(stage) + slot * StorageDescSize; + } + + public static int GetStorageBaseCbOffset(ShaderStage stage) + { + switch (stage) + { + case ShaderStage.Compute: return StorageDescsBaseOffset + 2 * StorageDescsSize; + case ShaderStage.Vertex: return StorageDescsBaseOffset; + case ShaderStage.TessellationControl: return StorageDescsBaseOffset + 1 * StorageDescsSize; + case ShaderStage.TessellationEvaluation: return StorageDescsBaseOffset + 2 * StorageDescsSize; + case ShaderStage.Geometry: return StorageDescsBaseOffset + 3 * StorageDescsSize; + case ShaderStage.Fragment: return StorageDescsBaseOffset + 4 * StorageDescsSize; + } + + return 0; + } + } +}
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