fsCTexture.h

Go to the documentation of this file.

/********************************************************************
*
*       File:           fsCTexture.h
*
*       Purpose:        bgfx implementation of a texture.
*
*********************************************************************/
 
#ifndef fsCTexturehdr
#define fsCTexturehdr
 
#include <bgfx/bgfx.h>
 
#include "fsIImage.h"
#include "../../fsITexture.h"
 
 
class fsCTexture : public fsITexture
{
        friend class fsITexture;
 
public:
 
        bgfx::TextureHandle textureGet() const { return mTexture; }
        fsU32 samplerFlagsGet() const { return mSamplerFlags; }
 
        fsS32 imageWidthGet() const override;
        fsS32 imageHeightGet() const override;
        fsS32 textureWidthGet() const override;
        fsS32 textureHeightGet() const override;
 
        fsBool hasAlphaChannelGet() const override;
        fsU8 alphaGet(fsS32 pU, fsS32 pV, fsS32 pCol, fsS32 pRow) const override;
 
        virtual ~fsCTexture();
 
protected:
 
        void filterModeSetDo(fsFilterMode pNewMode) override;
        void wrapModeSetDo(fsWrapMode pNewMode) override;
 
        std::shared_ptr<fsITexture> doCloneSubSection(fsCBrush const* pBlend, fsPoint const& pOffset) const override;
        void doBlend(fsCBrush const* pBlend, fsPoint const& pOffset) override;
 
        fsSColour4B pixelGetDo(fsS32 pU, fsS32 pV, fsS32 pCol, fsS32 pRow) override;
        void doPixelSet(fsS32 pU, fsS32 pV, fsS32 pCol, fsS32 pRow, const fsSColour4B& pPixel) override;
        void doTextureCopyThroughStencil(std::shared_ptr<fsITexture> pSrc, std::shared_ptr<fsITexture> pStencil, fsS32 pU,
                                         fsS32 pV, fsS32 pX, fsS32 pY, fsS32 pAlphaHitMaskThreshold) override;
        void doTextureCopyInto(std::shared_ptr<fsITexture> pSrc, fsS32 pU, fsS32 pV, fsS32 pX, fsS32 pY) override;
 
        fsU8 alphaValueGet(fsS32 pImgX, fsS32 pImgY) override;
 
        void createFromAlpha8Data(std::vector<fsU8>& pAlphaData, fsS32 pImgW, fsS32 pImgH,
                                  fsPoint const& pPOTDimenions) override;
 
        void createFromImage(fsIImage const* pImage) override;
 
        fsCTexture();
 
private:
 
        fsU32 filterModes(fsFilterMode pNewMode) const;
        fsU32 wrapModes(fsWrapMode pNewMode) const;
 
        void textureRelease();
 
        bgfx::TextureHandle mTexture = BGFX_INVALID_HANDLE;
        fsU32 mSamplerFlags = 0;
        fsU32 mFilterFlags = 0;
        fsU32 mWrapFlags = 0;
        fsS32 mTexWidth = 0;
        fsS32 mTexHeight = 0;
 
};
 
#endif