ClipmapEffectVariables.h

#pragma once
 
#include "Rendering/IEffects.h"
 
#include <vector>
 
namespace Cogs
{
  struct PerImageryBindingHandles
  {
    TextureBindingHandle imageryBinding;
    TextureBindingHandle coarseImageryBinding;
 
    SamplerStateBindingHandle imagerySamplerBinding;
    SamplerStateBindingHandle coarseImagerySamplerBinding;
  };
 
  struct ClipmapTextureBindings
  {
    TextureBindingHandle heightMapBinding;
    TextureBindingHandle coarseHeightMapBinding;
 
    TextureBindingHandle normalMapBinding;
    TextureBindingHandle coarseNormalMapBinding;
 
    SamplerStateBindingHandle heightMapSamplerBinding;
    SamplerStateBindingHandle coarseHeightMapSamplerBinding;
 
    SamplerStateBindingHandle normalMapSamplerBinding;
    SamplerStateBindingHandle coarseNormalMapSamplerBinding;
 
    PerImageryBindingHandles & getImageryBindingHandles(const size_t index)
    {
      // Avoid too many reallocs.
      if (perImageryBindingHandles.size() <= index)
        perImageryBindingHandles.resize(index + 4);
 
      return perImageryBindingHandles[index];
    }
  private:
    std::vector<PerImageryBindingHandles> perImageryBindingHandles;
  };
 
  struct ClipmapEffectVariables
  {
    BufferHandle globalBuffer;
    
    BufferHandle levelBuffer;
    BufferHandle imageryBuffer;
 
    BufferHandle patchBuffer;
 
    BufferHandle renderBuffer;
    BufferHandle levelRenderBuffer;
 
 
    ConstantBufferBindingHandle globalBufferBinding;
 
    ConstantBufferBindingHandle levelBufferBinding;
    ConstantBufferBindingHandle imageryBufferBinding;
 
    ConstantBufferBindingHandle patchBufferBinding;
 
    ConstantBufferBindingHandle renderBufferBinding;
    ConstantBufferBindingHandle levelRenderBufferBinding;
 
    ConstantBufferBindingHandle customParametersBufferBinding;
  };
 
  struct OceanEffectVariables
  {
    BufferHandle oceanBuffer;
    ConstantBufferBindingHandle oceanBufferBinding;
  };
}