src/render/SDL_sysrender.h
author Sam Lantinga <slouken@libsdl.org>
Sat, 31 Dec 2011 09:28:07 -0500
changeset 6138 4c64952a58fb
parent 6060 59d398ac031e
child 6232 37e8d0736366
permissions -rwxr-xr-x
Happy New Year!
     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 (*UpdateViewport) (SDL_Renderer * renderer);
    81     int (*RenderClear) (SDL_Renderer * renderer);
    82     int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points,
    83                              int count);
    84     int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points,
    85                             int count);
    86     int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect * rects,
    87                             int count);
    88     int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
    89                        const SDL_Rect * srcrect, const SDL_Rect * dstrect);
    90     int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
    91                              Uint32 format, void * pixels, int pitch);
    92     void (*RenderPresent) (SDL_Renderer * renderer);
    93     void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
    94 
    95     void (*DestroyRenderer) (SDL_Renderer * renderer);
    96 
    97     /* The current renderer info */
    98     SDL_RendererInfo info;
    99 
   100     /* The window associated with the renderer */
   101     SDL_Window *window;
   102     SDL_bool minimized;
   103 
   104     /* The drawable area within the window */
   105     SDL_Rect viewport;
   106 
   107     /* The list of textures */
   108     SDL_Texture *textures;
   109 
   110     Uint8 r, g, b, a;                   /**< Color for drawing operations values */
   111     SDL_BlendMode blendMode;            /**< The drawing blend mode */
   112 
   113     void *driverdata;
   114 };
   115 
   116 /* Define the SDL render driver structure */
   117 struct SDL_RenderDriver
   118 {
   119     SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
   120 
   121     /* Info about the renderer capabilities */
   122     SDL_RendererInfo info;
   123 };
   124 
   125 #if !SDL_RENDER_DISABLED
   126 
   127 #if SDL_VIDEO_RENDER_D3D
   128 extern SDL_RenderDriver D3D_RenderDriver;
   129 #endif
   130 #if SDL_VIDEO_RENDER_OGL
   131 extern SDL_RenderDriver GL_RenderDriver;
   132 #endif
   133 #if SDL_VIDEO_RENDER_OGL_ES2
   134 extern SDL_RenderDriver GLES2_RenderDriver;
   135 #endif
   136 #if SDL_VIDEO_RENDER_OGL_ES
   137 extern SDL_RenderDriver GLES_RenderDriver;
   138 #endif
   139 #if SDL_VIDEO_RENDER_DIRECTFB
   140 extern SDL_RenderDriver DirectFB_RenderDriver;
   141 #endif
   142 #if SDL_VIDEO_RENDER_NDS
   143 extern SDL_RenderDriver NDS_RenderDriver;
   144 #endif
   145 extern SDL_RenderDriver SW_RenderDriver;
   146 
   147 #endif /* !SDL_RENDER_DISABLED */
   148 
   149 #endif /* _SDL_sysrender_h */
   150 
   151 /* vi: set ts=4 sw=4 expandtab: */