ClipmapUpsampler.h

#pragma once
 
#include "Rendering/Common.h"
 
namespace Cogs
{
  class IGraphicsDevice;
  struct RenderContext;
  struct RasterTile;
  class ClipmapLevel;
  class RasterSource;
  struct RasterTileRegion;
 
  class ClipmapUpsampler
  {
  public:
    void initialize(IGraphicsDevice * device);
 
    void upsampleLevelRegions(RenderContext & context,
      ClipmapLevel * level,
      const RasterTileRegion ** regions,
      const size_t numRegions);
    
    TextureHandle upsampleTile(RenderContext & renderContext,
      RasterSource * source,
      RasterTile * parentTile,
      RasterTile * tile);
 
    VertexBufferHandle vertexBufferHandle;
    InputLayoutHandle upsampleLayoutHandle;
    InputLayoutHandle upsampleTileLayoutHandle;
 
    EffectHandle upsampleEffectHandle;
    EffectHandle upsampleTileEffectHandle;
 
    ConstantBufferBindingHandle levelParameterBinding;
    BufferHandle levelParameterBufferHandle;
 
    TextureBindingHandle coarseImageryBinding;
    SamplerStateBindingHandle coarseImagerySamplerBinding;
 
    ConstantBufferBindingHandle upsampleParameterBinding;
    BufferHandle upsampleParameterBufferHandle;
 
    ConstantBufferBindingHandle upsampleTileParameterBinding;
    BufferHandle upsampleTileParameterBufferHandle;
 
    SamplerStateHandle linearRepeatStateHandle;
    SamplerStateHandle pointRepeatStateHandle;
    SamplerStateHandle linearClampStateHandle;
  };
}