src/render/SDL_sysrender.h
author Sam Lantinga <slouken@libsdl.org>
Mon, 31 Oct 2011 05:56:58 -0400
changeset 6044 35448a5ea044
parent 5535 96594ac5fd1a
child 6060 59d398ac031e
permissions -rw-r--r--
Lots of fixes importing SDL source wholesale into a new iOS project
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2011 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 
   103     /* The drawable area within the window */
   104     SDL_Rect viewport;
   105 
   106     /* The list of textures */
   107     SDL_Texture *textures;
   108 
   109     Uint8 r, g, b, a;                   /**< Color for drawing operations values */
   110     SDL_BlendMode blendMode;            /**< The drawing blend mode */
   111 
   112     void *driverdata;
   113 };
   114 
   115 /* Define the SDL render driver structure */
   116 struct SDL_RenderDriver
   117 {
   118     SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
   119 
   120     /* Info about the renderer capabilities */
   121     SDL_RendererInfo info;
   122 };
   123 
   124 #if !SDL_RENDER_DISABLED
   125 
   126 #if SDL_VIDEO_RENDER_D3D
   127 extern SDL_RenderDriver D3D_RenderDriver;
   128 #endif
   129 #if SDL_VIDEO_RENDER_OGL
   130 extern SDL_RenderDriver GL_RenderDriver;
   131 #endif
   132 #if SDL_VIDEO_RENDER_OGL_ES2
   133 extern SDL_RenderDriver GLES2_RenderDriver;
   134 #endif
   135 #if SDL_VIDEO_RENDER_OGL_ES
   136 extern SDL_RenderDriver GLES_RenderDriver;
   137 #endif
   138 #if SDL_VIDEO_RENDER_DIRECTFB
   139 extern SDL_RenderDriver DirectFB_RenderDriver;
   140 #endif
   141 #if SDL_VIDEO_RENDER_NDS
   142 extern SDL_RenderDriver NDS_RenderDriver;
   143 #endif
   144 extern SDL_RenderDriver SW_RenderDriver;
   145 
   146 #endif /* !SDL_RENDER_DISABLED */
   147 
   148 #endif /* _SDL_sysrender_h */
   149 
   150 /* vi: set ts=4 sw=4 expandtab: */