SpriteRendererOpenGL.h

#pragma once
#include "SpriteRenderer.h"

namespace ParaEngine
{
    class CEffectFile;

    class CSpriteRendererOpenGL : public CSpriteRenderer
    {
    public:
        CSpriteRendererOpenGL();
        virtual ~CSpriteRendererOpenGL();

        void Cleanup();

    public:
        virtual HRESULT Begin(DWORD Flags);
        virtual void End();
        virtual void FlushQuads();

        virtual bool BeginCustomShader();
        virtual void EndCustomShader();
        virtual void UpdateShader(bool bForceUpdate = false);
        virtual void SetNeedUpdateShader(bool bNeedUpdate);

        virtual HRESULT DrawRect(const RECT* pRect, Color color, float depth);

        virtual HRESULT DrawQuad(TextureEntity* pTexture, const RECT* pSrcRect, const Vector3* vCenter, const Vector3* pPosition, Color c);

        virtual void InitDeviceObjects();

        virtual void RestoreDeviceObjects();

        virtual void InvalidateDeviceObjects();

        virtual void DeleteDeviceObjects();

        virtual void SetTextMode(bool bIsTextMode = true);

        virtual void PrepareDraw();

    protected:
        virtual void DrawTriangles(const sprite_vertex* pVertices, int nTriangleCount);

    protected:
        Matrix4 m_proj;
        BOOL m_ready;
        /* Store the relevant caps to prevent multiple GetDeviceCaps calls */
        DWORD texfilter_caps;
        DWORD maxanisotropy;
        DWORD alphacmp_caps;

        ParaViewport m_viewport;
        ParaViewport m_lastViewport;
        // all sprites
        std::vector<SpriteQuad> m_sprites;
        // number of sprites to be drawn
        int m_sprite_count; 
        CEffectFile* m_pEffectFile;
        bool m_bNeedUpdateShader;
        bool m_bIsTextMode;
        bool m_bIsTextModeDevice;
    };
}