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Add a pass to turn global memory access into storage access, and do all storage related transformations on IR

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gdk 2019-11-30 23:53:09 -03:00 • committed by Thog
parent 396768f3b4
commit 6a98c643ca
28 changed files with 532 additions and 282 deletions
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46
Ryujinx.Graphics.Shader/Translation/GlobalMemory.cs Normal file
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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 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;
}
}
}