src/render/SDL_sysrender.h
author Gabriel Jacobo <gabomdq@gmail.com>
Fri, 01 Jun 2012 19:51:08 -0300
changeset 6320 6077a1310907
parent 6260 fd494c5f305b
child 6414 df50b0d6c1c3
permissions -rwxr-xr-x
RenderCopyEx,rotation and flipping for all hardware/software backends (#1308)
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "SDL_config.h"
    22 
    23 #ifndef _SDL_sysrender_h
    24 #define _SDL_sysrender_h
    25 
    26 #include "SDL_render.h"
    27 #include "SDL_events.h"
    28 #include "SDL_yuv_sw_c.h"
    29 
    30 /* The SDL 2D rendering system */
    31 
    32 typedef struct SDL_RenderDriver SDL_RenderDriver;
    33 
    34 /* Define the SDL texture structure */
    35 struct SDL_Texture
    36 {
    37     const void *magic;
    38     Uint32 format;              /**< The pixel format of the texture */
    39     int access;                 /**< SDL_TextureAccess */
    40     int w;                      /**< The width of the texture */
    41     int h;                      /**< The height of the texture */
    42     int modMode;                /**< The texture modulation mode */
    43     SDL_BlendMode blendMode;    /**< The texture blend mode */
    44     Uint8 r, g, b, a;           /**< Texture modulation values */
    45 
    46     SDL_Renderer *renderer;
    47 
    48     /* Support for formats not supported directly by the renderer */
    49     SDL_Texture *native;
    50     SDL_SW_YUVTexture *yuv;
    51     void *pixels;
    52     int pitch;
    53     SDL_Rect locked_rect;
    54 
    55     void *driverdata;           /**< Driver specific texture representation */
    56 
    57     SDL_Texture *prev;
    58     SDL_Texture *next;
    59 };
    60 
    61 /* Define the SDL renderer structure */
    62 struct SDL_Renderer
    63 {
    64     const void *magic;
    65 
    66     void (*WindowEvent) (SDL_Renderer * renderer, const SDL_WindowEvent *event);
    67     int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
    68     int (*SetTextureColorMod) (SDL_Renderer * renderer,
    69                                SDL_Texture * texture);
    70     int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
    71                                SDL_Texture * texture);
    72     int (*SetTextureBlendMode) (SDL_Renderer * renderer,
    73                                 SDL_Texture * texture);
    74     int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
    75                           const SDL_Rect * rect, const void *pixels,
    76                           int pitch);
    77     int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
    78                         const SDL_Rect * rect, void **pixels, int *pitch);
    79     void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
    80     int (*SetRenderTarget) (SDL_Renderer * renderer, SDL_Texture * texture);
    81     int (*UpdateViewport) (SDL_Renderer * renderer);
    82     int (*RenderClear) (SDL_Renderer * renderer);
    83     int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points,
    84                              int count);
    85     int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points,
    86                             int count);
    87     int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect * rects,
    88                             int count);
    89     int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
    90                        const SDL_Rect * srcrect, const SDL_Rect * dstrect);
    91     int (*RenderCopyEx) (SDL_Renderer * renderer, SDL_Texture * texture,
    92                        const SDL_Rect * srcquad, const SDL_Rect * dstrect,
    93                        const double angle, const SDL_Point *center, const SDL_RendererFlip flip);
    94     int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
    95                              Uint32 format, void * pixels, int pitch);
    96     void (*RenderPresent) (SDL_Renderer * renderer);
    97     void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
    98 
    99     void (*DestroyRenderer) (SDL_Renderer * renderer);
   100 
   101     /* The current renderer info */
   102     SDL_RendererInfo info;
   103 
   104     /* The window associated with the renderer */
   105     SDL_Window *window;
   106     SDL_bool hidden;
   107     SDL_bool resized;
   108 
   109     /* The drawable area within the window */
   110     SDL_Rect viewport;
   111     SDL_Rect viewport_backup;
   112 
   113     /* The list of textures */
   114     SDL_Texture *textures;
   115     SDL_Texture *target;
   116 
   117     Uint8 r, g, b, a;                   /**< Color for drawing operations values */
   118     SDL_BlendMode blendMode;            /**< The drawing blend mode */
   119 
   120     void *driverdata;
   121 };
   122 
   123 /* Define the SDL render driver structure */
   124 struct SDL_RenderDriver
   125 {
   126     SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
   127 
   128     /* Info about the renderer capabilities */
   129     SDL_RendererInfo info;
   130 };
   131 
   132 #if !SDL_RENDER_DISABLED
   133 
   134 #if SDL_VIDEO_RENDER_D3D
   135 extern SDL_RenderDriver D3D_RenderDriver;
   136 #endif
   137 #if SDL_VIDEO_RENDER_OGL
   138 extern SDL_RenderDriver GL_RenderDriver;
   139 #endif
   140 #if SDL_VIDEO_RENDER_OGL_ES2
   141 extern SDL_RenderDriver GLES2_RenderDriver;
   142 #endif
   143 #if SDL_VIDEO_RENDER_OGL_ES
   144 extern SDL_RenderDriver GLES_RenderDriver;
   145 #endif
   146 #if SDL_VIDEO_RENDER_DIRECTFB
   147 extern SDL_RenderDriver DirectFB_RenderDriver;
   148 #endif
   149 #if SDL_VIDEO_RENDER_NDS
   150 extern SDL_RenderDriver NDS_RenderDriver;
   151 #endif
   152 extern SDL_RenderDriver SW_RenderDriver;
   153 
   154 #endif /* !SDL_RENDER_DISABLED */
   155 
   156 #endif /* _SDL_sysrender_h */
   157 
   158 /* vi: set ts=4 sw=4 expandtab: */