SDL_Renderer.cpp

typedef struct
{
    float x;
    float y;
} SDL_FPoint;

typedef struct
{
    float x;
    float y;
    float w;
    float h;
} SDL_FRect;

struct SDL_Renderer
{
    const void *magic;

    void (*WindowEvent) (SDL_Renderer * renderer, const SDL_WindowEvent *event);
    int (*GetOutputSize) (SDL_Renderer * renderer, int *w, int *h);
    int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
    int (*SetTextureColorMod) (SDL_Renderer * renderer,
                               SDL_Texture * texture);
    int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
                               SDL_Texture * texture);
    int (*SetTextureBlendMode) (SDL_Renderer * renderer,
                                SDL_Texture * texture);
    int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
                          const SDL_Rect * rect, const void *pixels,
                          int pitch);
    int (*UpdateTextureYUV) (SDL_Renderer * renderer, SDL_Texture * texture,
                            const SDL_Rect * rect,
                            const Uint8 *Yplane, int Ypitch,
                            const Uint8 *Uplane, int Upitch,
                            const Uint8 *Vplane, int Vpitch);
    int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
                        const SDL_Rect * rect, void **pixels, int *pitch);
    void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
    int (*SetRenderTarget) (SDL_Renderer * renderer, SDL_Texture * texture);
    int (*UpdateViewport) (SDL_Renderer * renderer);
    int (*UpdateClipRect) (SDL_Renderer * renderer);
    int (*RenderClear) (SDL_Renderer * renderer);
    int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_FPoint * points,
                             int count);
    int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_FPoint * points,
                            int count);
    int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_FRect * rects,
                            int count);
    int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
                       const SDL_Rect * srcrect, const SDL_FRect * dstrect);
    int (*RenderCopyEx) (SDL_Renderer * renderer, SDL_Texture * texture,
                       const SDL_Rect * srcquad, const SDL_FRect * dstrect,
                       const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip);
    int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
                             Uint32 format, void * pixels, int pitch);
    void (*RenderPresent) (SDL_Renderer * renderer);
    void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);

    void (*DestroyRenderer) (SDL_Renderer * renderer);

    int (*GL_BindTexture) (SDL_Renderer * renderer, SDL_Texture *texture, float *texw, float *texh);
    int (*GL_UnbindTexture) (SDL_Renderer * renderer, SDL_Texture *texture);

    /* The current renderer info */
    SDL_RendererInfo info;

    /* The window associated with the renderer */
    SDL_Window *window;
    SDL_bool hidden;

    /* The logical resolution for rendering */
    int logical_w;
    int logical_h;
    int logical_w_backup;
    int logical_h_backup;

    /* The drawable area within the window */
    SDL_Rect viewport;
    SDL_Rect viewport_backup;

    /* The clip rectangle within the window */
    SDL_Rect clip_rect;
    SDL_Rect clip_rect_backup;

    /* The render output coordinate scale */
    SDL_FPoint scale;
    SDL_FPoint scale_backup;

    /* The list of textures */
    SDL_Texture *textures;
    SDL_Texture *target;

    Uint8 r, g, b, a;                   /**< Color for drawing operations values */
    SDL_BlendMode blendMode;            /**< The drawing blend mode */

    void *driverdata;
};