/// <summary>
/// Constructs a new instance of the texture bindings manager.
/// </summary>
/// <param name="context">The GPU context that the texture bindings manager belongs to</param>
/// <param name="channel">The GPU channel that the texture bindings manager belongs to</param>
/// <param name="texturePoolCache">Texture pools cache used to get texture pools from</param>
/// <param name="samplerPoolCache">Sampler pools cache used to get sampler pools from</param>
/// <param name="scales">Array where the scales for the currently bound textures are stored</param>
/// <param name="isCompute">True if the bindings manager is used for the compute engine</param>
public TextureBindingsManager(
GpuContext context,
GpuChannel channel,
TexturePoolCache texturePoolCache,
SamplerPoolCache samplerPoolCache,
float[] scales,
bool isCompute)
{
_context = context;
_channel = channel;
_texturePoolCache = texturePoolCache;
_samplerPoolCache = samplerPoolCache;
_scales = scales;
_isCompute = isCompute;
int stages = isCompute ? 1 : Constants.ShaderStages;
_textureBindings = new TextureBindingInfo[stages][];
_imageBindings = new TextureBindingInfo[stages][];
_textureState = new TextureState[InitialTextureStateSize];
_imageState = new TextureState[InitialImageStateSize];
_textureBindingsCount = new int[stages];
_imageBindingsCount = new int[stages];
for (int stage = 0; stage < stages; stage++)
{
_textureBindings[stage] = new TextureBindingInfo[InitialTextureStateSize];
_imageBindings[stage] = new TextureBindingInfo[InitialImageStateSize];
}
}
/// <summary>
/// Creates a new instance of the texture manager.
/// </summary>
/// <param name="context">GPU context that the texture manager belongs to</param>
/// <param name="channel">GPU channel that the texture manager belongs to</param>
public TextureManager(GpuContext context, GpuChannel channel)
{
_context = context;
_channel = channel;
TexturePoolCache texturePoolCache = new TexturePoolCache(context);
SamplerPoolCache samplerPoolCache = new SamplerPoolCache(context);
float[] scales = new float[64];
new Span <float>(scales).Fill(1f);
_cpBindingsManager = new TextureBindingsManager(context, channel, texturePoolCache, samplerPoolCache, scales, isCompute: true);
_gpBindingsManager = new TextureBindingsManager(context, channel, texturePoolCache, samplerPoolCache, scales, isCompute: false);
_texturePoolCache = texturePoolCache;
_samplerPoolCache = samplerPoolCache;
_rtColors = new Texture[Constants.TotalRenderTargets];
_rtHostColors = new ITexture[Constants.TotalRenderTargets];
}