/// <summary>
/// Ensures that the image bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
/// </summary>
/// <param name="pool">The current texture pool</param>
/// <param name="stage">The shader stage using the textures to be bound</param>
/// <param name="stageIndex">The stage number of the specified shader stage</param>
private void CommitImageBindings(TexturePool pool, ShaderStage stage, int stageIndex)
{
if (_imageBindings[stageIndex] == null)
{
return;
}
// Scales for images appear after the texture ones.
int baseScaleIndex = _textureBindings[stageIndex]?.Length ?? 0;
for (int index = 0; index < _imageBindings[stageIndex].Length; index++)
{
TextureBindingInfo bindingInfo = _imageBindings[stageIndex][index];
int textureBufferIndex;
int samplerBufferIndex;
if (bindingInfo.CbufSlot < 0)
{
textureBufferIndex = _textureBufferIndex;
samplerBufferIndex = textureBufferIndex;
}
else
{
textureBufferIndex = bindingInfo.CbufSlot & SlotMask;
samplerBufferIndex = ((bindingInfo.CbufSlot >> SlotHigh) != 0) ? (bindingInfo.CbufSlot >> SlotHigh) - 1 : textureBufferIndex;
}
int packedId = ReadPackedId(stageIndex, bindingInfo.Handle, textureBufferIndex, samplerBufferIndex);
int textureId = UnpackTextureId(packedId);
Texture texture = pool.Get(textureId);
ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
bool isStore = bindingInfo.Flags.HasFlag(TextureUsageFlags.ImageStore);
if (hostTexture != null && texture.Target == Target.TextureBuffer)
{
// Ensure that the buffer texture is using the correct buffer as storage.
// Buffers are frequently re-created to accomodate larger data, so we need to re-bind
// to ensure we're not using a old buffer that was already deleted.
Format format = bindingInfo.Format;
if (format == 0 && texture != null)
{
format = texture.Format;
}
_context.Methods.BufferManager.SetBufferTextureStorage(hostTexture, texture.Range.GetSubRange(0).Address, texture.Size, bindingInfo, format, true);
}
else if (isStore)
{
texture?.SignalModified();
}
if (_imageState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, bindingInfo, baseScaleIndex + index, stage))
{
hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
}
_imageState[stageIndex][index].Texture = hostTexture;
Format format = bindingInfo.Format;
if (format == 0 && texture != null)
{
format = texture.Format;
}
_context.Renderer.Pipeline.SetImage(bindingInfo.Binding, hostTexture, format);
}
}
}
/// <summary>
/// Ensures that the texture bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
/// </summary>
/// <param name="pool">The current texture pool</param>
/// <param name="stage">The shader stage using the textures to be bound</param>
/// <param name="stageIndex">The stage number of the specified shader stage</param>
private void CommitTextureBindings(TexturePool pool, ShaderStage stage, int stageIndex)
{
if (_textureBindings[stageIndex] == null)
{
return;
}
bool changed = false;
for (int index = 0; index < _textureBindings[stageIndex].Length; index++)
{
TextureBindingInfo binding = _textureBindings[stageIndex][index];
int packedId;
if (binding.IsBindless)
{
ulong address;
var bufferManager = _context.Methods.BufferManager;
if (_isCompute)
{
address = bufferManager.GetComputeUniformBufferAddress(binding.CbufSlot);
}
else
{
address = bufferManager.GetGraphicsUniformBufferAddress(stageIndex, binding.CbufSlot);
}
packedId = _context.PhysicalMemory.Read <int>(address + (ulong)binding.CbufOffset * 4);
}
else
{
packedId = ReadPackedId(stageIndex, binding.Handle, _textureBufferIndex);
}
int textureId = UnpackTextureId(packedId);
int samplerId;
if (_samplerIndex == SamplerIndex.ViaHeaderIndex)
{
samplerId = textureId;
}
else
{
samplerId = UnpackSamplerId(packedId);
}
Texture texture = pool.Get(textureId);
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
texture?.BlacklistScale();
}
ITexture hostTexture = texture?.GetTargetTexture(binding.Target);
if (_textureState[stageIndex][index].Texture != hostTexture || _rebind)
{
_textureState[stageIndex][index].Texture = hostTexture;
_context.Renderer.Pipeline.SetTexture(index, stage, hostTexture);
changed = true;
}
if (hostTexture != null && texture.Info.Target == Target.TextureBuffer)
{
// Ensure that the buffer texture is using the correct buffer as storage.
// Buffers are frequently re-created to accomodate larger data, so we need to re-bind
// to ensure we're not using a old buffer that was already deleted.
_context.Methods.BufferManager.SetBufferTextureStorage(hostTexture, texture.Address, texture.Size, _isCompute);
}
Sampler sampler = _samplerPool.Get(samplerId);
ISampler hostSampler = sampler?.HostSampler;
if (_textureState[stageIndex][index].Sampler != hostSampler || _rebind)
{
_textureState[stageIndex][index].Sampler = hostSampler;
_context.Renderer.Pipeline.SetSampler(index, stage, hostSampler);
}
}
if (changed)
{
_context.Renderer.Pipeline.UpdateRenderScale(stage, _textureBindings[stageIndex].Length);
}
}
/// <summary>
/// Ensures that the texture bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
/// </summary>
/// <param name="pool">The current texture pool</param>
/// <param name="stage">The shader stage using the textures to be bound</param>
/// <param name="stageIndex">The stage number of the specified shader stage</param>
private void CommitTextureBindings(TexturePool pool, ShaderStage stage, int stageIndex)
{
if (_textureBindings[stageIndex] == null)
{
return;
}
for (int index = 0; index < _textureBindings[stageIndex].Length; index++)
{
TextureBindingInfo bindingInfo = _textureBindings[stageIndex][index];
int textureBufferIndex;
int samplerBufferIndex;
if (bindingInfo.CbufSlot < 0)
{
textureBufferIndex = _textureBufferIndex;
samplerBufferIndex = textureBufferIndex;
}
else
{
textureBufferIndex = bindingInfo.CbufSlot & SlotMask;
samplerBufferIndex = ((bindingInfo.CbufSlot >> SlotHigh) != 0) ? (bindingInfo.CbufSlot >> SlotHigh) - 1 : textureBufferIndex;
}
int packedId = ReadPackedId(stageIndex, bindingInfo.Handle, textureBufferIndex, samplerBufferIndex);
int textureId = UnpackTextureId(packedId);
int samplerId;
if (_samplerIndex == SamplerIndex.ViaHeaderIndex)
{
samplerId = textureId;
}
else
{
samplerId = UnpackSamplerId(packedId);
}
Texture texture = pool.Get(textureId);
ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
if (_textureState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, bindingInfo, index, stage))
{
hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
}
_textureState[stageIndex][index].Texture = hostTexture;
_context.Renderer.Pipeline.SetTexture(bindingInfo.Binding, hostTexture);
}
if (hostTexture != null && texture.Target == Target.TextureBuffer)
{
// Ensure that the buffer texture is using the correct buffer as storage.
// Buffers are frequently re-created to accomodate larger data, so we need to re-bind
// to ensure we're not using a old buffer that was already deleted.
_context.Methods.BufferManager.SetBufferTextureStorage(hostTexture, texture.Range.GetSubRange(0).Address, texture.Size, bindingInfo, bindingInfo.Format, false);
}
Sampler sampler = _samplerPool.Get(samplerId);
ISampler hostSampler = sampler?.HostSampler;
if (_textureState[stageIndex][index].Sampler != hostSampler || _rebind)
{
_textureState[stageIndex][index].Sampler = hostSampler;
_context.Renderer.Pipeline.SetSampler(bindingInfo.Binding, hostSampler);
}
}
}
/// <summary>
/// Ensures that the texture bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
/// </summary>
/// <param name="pool">The current texture pool</param>
/// <param name="stage">The shader stage using the textures to be bound</param>
/// <param name="stageIndex">The stage number of the specified shader stage</param>
private void CommitTextureBindings(TexturePool pool, ShaderStage stage, int stageIndex)
{
if (_textureBindings[stageIndex] == null)
{
return;
}
for (int index = 0; index < _textureBindings[stageIndex].Length; index++)
{
TextureBindingInfo binding = _textureBindings[stageIndex][index];
int packedId;
if (binding.IsBindless)
{
ulong address;
var bufferManager = _context.Methods.BufferManager;
if (_isCompute)
{
address = bufferManager.GetComputeUniformBufferAddress(binding.CbufSlot);
}
else
{
address = bufferManager.GetGraphicsUniformBufferAddress(stageIndex, binding.CbufSlot);
}
packedId = MemoryMarshal.Cast <byte, int>(_context.PhysicalMemory.GetSpan(address + (ulong)binding.CbufOffset * 4, 4))[0];
}
else
{
packedId = ReadPackedId(stageIndex, binding.Handle);
}
int textureId = UnpackTextureId(packedId);
int samplerId;
if (_samplerIndex == SamplerIndex.ViaHeaderIndex)
{
samplerId = textureId;
}
else
{
samplerId = UnpackSamplerId(packedId);
}
Texture texture = pool.Get(textureId);
ITexture hostTexture = texture?.GetTargetTexture(binding.Target);
if (_textureState[stageIndex][index].Texture != hostTexture || _rebind)
{
_textureState[stageIndex][index].Texture = hostTexture;
_context.Renderer.Pipeline.SetTexture(index, stage, hostTexture);
}
Sampler sampler = _samplerPool.Get(samplerId);
ISampler hostSampler = sampler?.HostSampler;
if (_textureState[stageIndex][index].Sampler != hostSampler || _rebind)
{
_textureState[stageIndex][index].Sampler = hostSampler;
_context.Renderer.Pipeline.SetSampler(index, stage, hostSampler);
}
}
}
/// <summary>
/// Ensures that the image bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
/// </summary>
/// <param name="pool">The current texture pool</param>
/// <param name="stage">The shader stage using the textures to be bound</param>
/// <param name="stageIndex">The stage number of the specified shader stage</param>
private void CommitImageBindings(TexturePool pool, ShaderStage stage, int stageIndex)
{
int imageCount = _imageBindingsCount[stageIndex];
if (imageCount == 0)
{
return;
}
if (pool == null)
{
Logger.Error?.Print(LogClass.Gpu, $"Shader stage \"{stage}\" uses images, but texture pool was not set.");
return;
}
// Scales for images appear after the texture ones.
int baseScaleIndex = _textureBindingsCount[stageIndex];
for (int index = 0; index < imageCount; index++)
{
TextureBindingInfo bindingInfo = _imageBindings[stageIndex][index];
(int textureBufferIndex, int samplerBufferIndex) = TextureHandle.UnpackSlots(bindingInfo.CbufSlot, _textureBufferIndex);
int packedId = ReadPackedId(stageIndex, bindingInfo.Handle, textureBufferIndex, samplerBufferIndex);
int textureId = UnpackTextureId(packedId);
Texture texture = pool.Get(textureId);
ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
bool isStore = bindingInfo.Flags.HasFlag(TextureUsageFlags.ImageStore);
if (hostTexture != null && texture.Target == Target.TextureBuffer)
{
// Ensure that the buffer texture is using the correct buffer as storage.
// Buffers are frequently re-created to accomodate larger data, so we need to re-bind
// to ensure we're not using a old buffer that was already deleted.
Format format = bindingInfo.Format;
if (format == 0 && texture != null)
{
format = texture.Format;
}
_channel.BufferManager.SetBufferTextureStorage(hostTexture, texture.Range.GetSubRange(0).Address, texture.Size, bindingInfo, format, true);
}
else if (isStore)
{
texture?.SignalModified();
}
if (_imageState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, bindingInfo, baseScaleIndex + index, stage))
{
hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
}
_imageState[stageIndex][index].Texture = hostTexture;
Format format = bindingInfo.Format;
if (format == 0 && texture != null)
{
format = texture.Format;
}
_context.Renderer.Pipeline.SetImage(bindingInfo.Binding, hostTexture, format);
}
}
}
/// <summary>
/// Ensures that the texture bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
/// </summary>
/// <param name="pool">The current texture pool</param>
/// <param name="stage">The shader stage using the textures to be bound</param>
/// <param name="stageIndex">The stage number of the specified shader stage</param>
private void CommitTextureBindings(TexturePool pool, ShaderStage stage, int stageIndex)
{
int textureCount = _textureBindingsCount[stageIndex];
if (textureCount == 0)
{
return;
}
var samplerPool = _samplerPool;
if (pool == null)
{
Logger.Error?.Print(LogClass.Gpu, $"Shader stage \"{stage}\" uses textures, but texture pool was not set.");
return;
}
for (int index = 0; index < textureCount; index++)
{
TextureBindingInfo bindingInfo = _textureBindings[stageIndex][index];
(int textureBufferIndex, int samplerBufferIndex) = TextureHandle.UnpackSlots(bindingInfo.CbufSlot, _textureBufferIndex);
int packedId = ReadPackedId(stageIndex, bindingInfo.Handle, textureBufferIndex, samplerBufferIndex);
int textureId = UnpackTextureId(packedId);
int samplerId;
if (_samplerIndex == SamplerIndex.ViaHeaderIndex)
{
samplerId = textureId;
}
else
{
samplerId = UnpackSamplerId(packedId);
}
Texture texture = pool.Get(textureId);
ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
if (_textureState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, bindingInfo, index, stage))
{
hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
}
_textureState[stageIndex][index].Texture = hostTexture;
_context.Renderer.Pipeline.SetTexture(bindingInfo.Binding, hostTexture);
}
if (hostTexture != null && texture.Target == Target.TextureBuffer)
{
// Ensure that the buffer texture is using the correct buffer as storage.
// Buffers are frequently re-created to accomodate larger data, so we need to re-bind
// to ensure we're not using a old buffer that was already deleted.
_channel.BufferManager.SetBufferTextureStorage(hostTexture, texture.Range.GetSubRange(0).Address, texture.Size, bindingInfo, bindingInfo.Format, false);
}
Sampler sampler = samplerPool?.Get(samplerId);
ISampler hostSampler = sampler?.GetHostSampler(texture);
if (_textureState[stageIndex][index].Sampler != hostSampler || _rebind)
{
_textureState[stageIndex][index].Sampler = hostSampler;
_context.Renderer.Pipeline.SetSampler(bindingInfo.Binding, hostSampler);
}
}
}
/// <summary>
/// Ensures that the bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
/// </summary>
/// <param name="specState">Specialization state for the bound shader</param>
/// <returns>True if all bound textures match the current shader specialiation state, false otherwise</returns>
public bool CommitBindings(ShaderSpecializationState specState)
{
ulong texturePoolAddress = _texturePoolAddress;
TexturePool texturePool = texturePoolAddress != 0
? _texturePoolCache.FindOrCreate(_channel, texturePoolAddress, _texturePoolMaximumId)
: null;
SamplerPool samplerPool = _samplerPool;
// Check if the texture pool has been modified since bindings were last committed.
// If it wasn't, then it's possible to avoid looking up textures again when the handle remains the same.
bool poolModified = _cachedTexturePool != texturePool || _cachedSamplerPool != samplerPool;
_cachedTexturePool = texturePool;
_cachedSamplerPool = samplerPool;
if (texturePool != null)
{
int texturePoolSequence = texturePool.CheckModified();
if (_texturePoolSequence != texturePoolSequence)
{
poolModified = true;
_texturePoolSequence = texturePoolSequence;
}
}
if (samplerPool != null)
{
int samplerPoolSequence = samplerPool.CheckModified();
if (_samplerPoolSequence != samplerPoolSequence)
{
poolModified = true;
_samplerPoolSequence = samplerPoolSequence;
}
}
bool specStateMatches = true;
if (_isCompute)
{
specStateMatches &= CommitTextureBindings(texturePool, ShaderStage.Compute, 0, poolModified, specState);
specStateMatches &= CommitImageBindings(texturePool, ShaderStage.Compute, 0, poolModified, specState);
}
else
{
for (ShaderStage stage = ShaderStage.Vertex; stage <= ShaderStage.Fragment; stage++)
{
int stageIndex = (int)stage - 1;
specStateMatches &= CommitTextureBindings(texturePool, stage, stageIndex, poolModified, specState);
specStateMatches &= CommitImageBindings(texturePool, stage, stageIndex, poolModified, specState);
}
}
CommitRenderScale();
return(specStateMatches);
}