/// <summary>
/// Sets the current texture sampler pool to be used.
/// </summary>
/// <param name="gpuVa">Start GPU virtual address of the pool</param>
/// <param name="maximumId">Maximum ID of the pool (total count minus one)</param>
/// <param name="samplerIndex">Type of the sampler pool indexing used for bound samplers</param>
public void SetSamplerPool(ulong gpuVa, int maximumId, SamplerIndex samplerIndex)
{
_samplerPoolGpuVa = gpuVa;
_samplerPoolMaximumId = maximumId;
_samplerIndex = samplerIndex;
_samplerPool = null;
}
/// <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)
{
(TexturePool texturePool, SamplerPool samplerPool) = GetPools();
// 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, samplerPool, 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, samplerPool, stage, stageIndex, poolModified, specState);
specStateMatches &= CommitImageBindings(texturePool, stage, stageIndex, poolModified, specState);
}
}
CommitRenderScale();
return(specStateMatches);
}
/// <summary>
/// Sets the current texture sampler pool to be used.
/// </summary>
/// <param name="gpuVa">Start GPU virtual address of the pool</param>
/// <param name="maximumId">Maximum ID of the pool (total count minus one)</param>
/// <param name="samplerIndex">Type of the sampler pool indexing used for bound samplers</param>
public void SetSamplerPool(ulong gpuVa, int maximumId, SamplerIndex samplerIndex)
{
ulong address = _context.MemoryManager.Translate(gpuVa);
if (_samplerPool != null)
{
if (_samplerPool.Address == address && _samplerPool.MaximumId >= maximumId)
{
return;
}
_samplerPool.Dispose();
}
_samplerPool = new SamplerPool(_context, address, maximumId);
_samplerIndex = samplerIndex;
}
/// <summary>
/// Sets the current texture sampler pool to be used.
/// </summary>
/// <param name="gpuVa">Start GPU virtual address of the pool</param>
/// <param name="maximumId">Maximum ID of the pool (total count minus one)</param>
/// <param name="samplerIndex">Type of the sampler pool indexing used for bound samplers</param>
public void SetSamplerPool(ulong gpuVa, int maximumId, SamplerIndex samplerIndex)
{
if (gpuVa != 0)
{
ulong address = _channel.MemoryManager.Translate(gpuVa);
if (_samplerPool != null && _samplerPool.Address == address && _samplerPool.MaximumId >= maximumId)
{
return;
}
_samplerPool?.Dispose();
_samplerPool = new SamplerPool(_context, _channel.MemoryManager.Physical, address, maximumId);
}
else
{
_samplerPool?.Dispose();
_samplerPool = null;
}
_samplerIndex = samplerIndex;
}