public void SetUsedTexture(
Instruction inst,
SamplerType type,
TextureFormat format,
TextureFlags flags,
int cbufSlot,
int handle)
{
inst &= Instruction.Mask;
bool isImage = inst == Instruction.ImageLoad || inst == Instruction.ImageStore || inst == Instruction.ImageAtomic;
bool isWrite = inst == Instruction.ImageStore || inst == Instruction.ImageAtomic;
bool accurateType = inst != Instruction.Lod && inst != Instruction.TextureSize;
bool coherent = flags.HasFlag(TextureFlags.Coherent);
if (isImage)
{
SetUsedTextureOrImage(_usedImages, cbufSlot, handle, type, format, true, isWrite, false, coherent);
}
else
{
bool intCoords = flags.HasFlag(TextureFlags.IntCoords) || inst == Instruction.TextureSize;
SetUsedTextureOrImage(_usedTextures, cbufSlot, handle, type, TextureFormat.Unknown, intCoords, false, accurateType, coherent);
}
GpuAccessor.RegisterTexture(handle, cbufSlot);
}
public uint ConstantBuffer1Read(int offset)
{
if (Cb1DataSize < offset + 4)
{
Cb1DataSize = offset + 4;
}
return(GpuAccessor.ConstantBuffer1Read(offset));
}
public TextureFormat GetTextureFormatAtomic(int handle, int cbufSlot = -1)
{
// Atomic image instructions do not support GL_EXT_shader_image_load_formatted,
// and must have a type specified. Default to R32Sint if not available.
var format = GpuAccessor.QueryTextureFormat(handle, cbufSlot);
if (!FormatSupportsAtomic(format))
{
GpuAccessor.Log($"Unsupported format for texture {handle}: {format}.");
format = TextureFormat.R32Sint;
}
return(format);
}
public BufferDescriptor[] GetConstantBufferDescriptors()
{
if (_cachedConstantBufferDescriptors != null)
{
return(_cachedConstantBufferDescriptors);
}
int usedMask = _usedConstantBuffers;
if (UsedFeatures.HasFlag(FeatureFlags.CbIndexing))
{
usedMask |= (int)GpuAccessor.QueryConstantBufferUse();
}
FirstConstantBufferBinding = GetConstantBufferBinding(0);
return(_cachedConstantBufferDescriptors = GetBufferDescriptors(usedMask, 0, GetConstantBufferBinding));
}
public TextureFormat GetTextureFormat(int handle, int cbufSlot = -1)
{
// When the formatted load extension is supported, we don't need to
// specify a format, we can just declare it without a format and the GPU will handle it.
if (GpuAccessor.QuerySupportsImageLoadFormatted())
{
return(TextureFormat.Unknown);
}
var format = GpuAccessor.QueryTextureFormat(handle, cbufSlot);
if (format == TextureFormat.Unknown)
{
GpuAccessor.Log($"Unknown format for texture {handle}.");
format = TextureFormat.R8G8B8A8Unorm;
}
return(format);
}
public BufferDescriptor[] GetConstantBufferDescriptors()
{
if (_cachedConstantBufferDescriptors != null)
{
return(_cachedConstantBufferDescriptors);
}
int usedMask = _usedConstantBuffers;
if (UsedFeatures.HasFlag(FeatureFlags.CbIndexing))
{
usedMask |= (int)GpuAccessor.QueryConstantBufferUse();
}
FirstConstantBufferBinding = _counts.UniformBuffersCount;
return(_cachedConstantBufferDescriptors = GetBufferDescriptors(
usedMask,
0,
UsedFeatures.HasFlag(FeatureFlags.CbIndexing),
_counts.IncrementUniformBuffersCount));
}
/// <summary>
/// Create guest shader cache entries from the runtime contexts.
/// </summary>
/// <param name="channel">The GPU channel in use</param>
/// <param name="shaderContexts">The runtime contexts</param>
/// <returns>Guest shader cahe entries from the runtime contexts</returns>
public static GuestShaderCacheEntry[] CreateShaderCacheEntries(GpuChannel channel, ReadOnlySpan <TranslatorContext> shaderContexts)
{
MemoryManager memoryManager = channel.MemoryManager;
int startIndex = shaderContexts.Length > 1 ? 1 : 0;
GuestShaderCacheEntry[] entries = new GuestShaderCacheEntry[shaderContexts.Length - startIndex];
for (int i = startIndex; i < shaderContexts.Length; i++)
{
TranslatorContext context = shaderContexts[i];
if (context == null)
{
continue;
}
GpuAccessor gpuAccessor = context.GpuAccessor as GpuAccessor;
ulong cb1DataAddress;
int cb1DataSize = gpuAccessor?.Cb1DataSize ?? 0;
if (context.Stage == ShaderStage.Compute)
{
cb1DataAddress = channel.BufferManager.GetComputeUniformBufferAddress(1);
}
else
{
int stageIndex = context.Stage switch
{
ShaderStage.TessellationControl => 1,
ShaderStage.TessellationEvaluation => 2,
ShaderStage.Geometry => 3,
ShaderStage.Fragment => 4,
_ => 0
};
cb1DataAddress = channel.BufferManager.GetGraphicsUniformBufferAddress(stageIndex, 1);
}
int size = context.Size;
TranslatorContext translatorContext2 = i == 1 ? shaderContexts[0] : null;
int sizeA = translatorContext2 != null ? translatorContext2.Size : 0;
byte[] code = new byte[size + cb1DataSize + sizeA];
memoryManager.GetSpan(context.Address, size).CopyTo(code);
if (cb1DataAddress != 0 && cb1DataSize != 0)
{
memoryManager.Physical.GetSpan(cb1DataAddress, cb1DataSize).CopyTo(code.AsSpan(size, cb1DataSize));
}
if (translatorContext2 != null)
{
memoryManager.GetSpan(translatorContext2.Address, sizeA).CopyTo(code.AsSpan(size + cb1DataSize, sizeA));
}
GuestGpuAccessorHeader gpuAccessorHeader = CreateGuestGpuAccessorCache(context.GpuAccessor);
if (gpuAccessor != null)
{
gpuAccessorHeader.TextureDescriptorCount = context.TextureHandlesForCache.Count;
}
GuestShaderCacheEntryHeader header = new GuestShaderCacheEntryHeader(
context.Stage,
size + cb1DataSize,
sizeA,
cb1DataSize,
gpuAccessorHeader);
GuestShaderCacheEntry entry = new GuestShaderCacheEntry(header, code);
if (gpuAccessor != null)
{
foreach (int textureHandle in context.TextureHandlesForCache)
{
GuestTextureDescriptor textureDescriptor = ((Image.TextureDescriptor)gpuAccessor.GetTextureDescriptor(textureHandle, -1)).ToCache();
textureDescriptor.Handle = (uint)textureHandle;
entry.TextureDescriptors.Add(textureHandle, textureDescriptor);
}
}
entries[i - startIndex] = entry;
}
return(entries);
}
