D3D11Texture.hpp

#pragma once
#ifndef __OCULAR_D3D11_TEXTURE__H__
#define __OCULAR_D3D11_TEXTURE__H__

#include <d3d11.h>

//------------------------------------------------------------------------------------------

namespace Ocular
{
    namespace Graphics
    {
        class D3D11Texture
        {
        public:

            D3D11Texture(ID3D11Device* device);
            virtual ~D3D11Texture();

            ID3D11Texture2D* getD3DTexture2D();
            ID3D11ShaderResourceView* getD3DShaderResource();

        protected:

            virtual bool createD3DTexture2D(TextureDescriptor const& descriptor);
            virtual bool createD3DShaderResource(TextureDescriptor const& descriptor);

            void refresh(std::vector<Core::Color>& pixels, Graphics::TextureDescriptor const& descriptor);


            //------------------------------------------------------------

            ID3D11Device* m_D3DDevice;
            ID3D11Texture2D* m_D3DTexture;
            ID3D11ShaderResourceView* m_D3DShaderResourceView;
            DXGI_FORMAT m_D3DFormat;

        private:

            ID3D11Texture2D* createStagingTexture();

            void copyData(void const* source, void* dest, uint32_t const sourceWidth, uint32_t const destWidth, uint32_t const height);

            void copyToPixels4(uint8_t const* source, std::vector<Core::Color>& dest, Graphics::TextureDescriptor const& descriptor);

            void copyToPixels8(uint8_t const* source, std::vector<Core::Color>& dest, Graphics::TextureDescriptor const& descriptor);

            void copyToPixels16(uint8_t const* source, std::vector<Core::Color>& dest, Graphics::TextureDescriptor const& descriptor);
        };
    }
}
//------------------------------------------------------------------------------------------

#endif