JinxRyu/Ryujinx.Graphics.Shader/Translation/GlobalMemory.cs

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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 const int UbeBaseOffset = 0x98; // In words.
public const int UbeMaxCount = 9;
public const int UbeDescsSize = StorageDescSize * UbeMaxCount;
public const int UbeFirstCbuf = 8;
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)
{
return stage switch
{
ShaderStage.Compute => StorageDescsBaseOffset + 2 * StorageDescsSize,
ShaderStage.Vertex => StorageDescsBaseOffset,
ShaderStage.TessellationControl => StorageDescsBaseOffset + 1 * StorageDescsSize,
ShaderStage.TessellationEvaluation => StorageDescsBaseOffset + 2 * StorageDescsSize,
ShaderStage.Geometry => StorageDescsBaseOffset + 3 * StorageDescsSize,
ShaderStage.Fragment => StorageDescsBaseOffset + 4 * StorageDescsSize,
_ => 0
};
}
}
}