TexturesD3D12.h

#pragma once
 
#include "../Base/TexturesCommon.h"
 
#include "CommonD3D12.h"
 
namespace Cogs
{
  struct TextureD3D12 : public ResourceD3D12
  {
    TextureDescription desc;
 
    uint32_t width;
    uint32_t height;
    uint32_t numSamples;
 
    TextureFormat format;
 
    bool needsUpload = false;
    uint32_t numSubResources = 0;
    ResourcePointer<ID3D12Resource> uploadResource;
    D3D12_RESOURCE_DIMENSION dimension;
  };
 
  struct TextureViewD3D12
  {
    TextureHandle texture;
 
    D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc;
  };
 
  struct SamplerD3D12
  {
    D3D12_SAMPLER_DESC samplerDesc;
  };
 
  struct TexturesD3D12 : public TexturesCommon
  {
    void setDevice(const ResourcePointer<ID3D12Device> & device)
    {
      this->device = device;
    }
 
    using TexturesCommon::loadTexture;
    TextureHandle loadTexture(const TextureDescription & desc, const TextureData * data) override;
    void releaseTexture(TextureHandle textureHandle) override;
 
    TextureViewHandle createTextureView(TextureViewDescription & viewDescription) override;
    void releaseTextureView(const TextureViewHandle & handle) override;
    
    void * getNativeHandle(TextureHandle textureHandle) override; 
    
    SamplerStateHandle loadSamplerState(const SamplerState & state) override;
    void releaseSamplerState(SamplerStateHandle handle) override;
 
    void generateMipmaps(TextureHandle texureHandle) override;
 
    void releaseResources() override;
 
    SafeResourceMap<TextureHandle, TextureD3D12> textures;
    SafeResourceMap<TextureViewHandle, TextureViewD3D12> textureViews;
    ResourceMap<SamplerStateHandle, SamplerD3D12> samplerStates;
 
  private:
    ResourcePointer<ID3D12Device> device;
 
    bool createShaderResourceView(D3D12_SHADER_RESOURCE_VIEW_DESC & desc,
      TextureD3D12 & texture,
      const TextureViewDescription & viewDesc,
      TextureFlags::ETextureFlags flags);
  };
}