src/render/SDL_sysrender.h
author Sam Lantinga <slouken@libsdl.org>
Sun, 02 Feb 2014 00:53:27 -0800
changeset 8149 681eb46b8ac4
parent 8093 b43765095a6f
child 8583 fb2933ca805f
permissions -rw-r--r--
Fixed bug 2374 - Update copyright for 2014...

Is it that time already??
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2014 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_internal.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 typedef struct
    35 {
    36     float x;
    37     float y;
    38 } SDL_FPoint;
    39 
    40 typedef struct
    41 {
    42     float x;
    43     float y;
    44     float w;
    45     float h;
    46 } SDL_FRect;
    47 
    48 /* Define the SDL texture structure */
    49 struct SDL_Texture
    50 {
    51     const void *magic;
    52     Uint32 format;              /**< The pixel format of the texture */
    53     int access;                 /**< SDL_TextureAccess */
    54     int w;                      /**< The width of the texture */
    55     int h;                      /**< The height of the texture */
    56     int modMode;                /**< The texture modulation mode */
    57     SDL_BlendMode blendMode;    /**< The texture blend mode */
    58     Uint8 r, g, b, a;           /**< Texture modulation values */
    59 
    60     SDL_Renderer *renderer;
    61 
    62     /* Support for formats not supported directly by the renderer */
    63     SDL_Texture *native;
    64     SDL_SW_YUVTexture *yuv;
    65     void *pixels;
    66     int pitch;
    67     SDL_Rect locked_rect;
    68 
    69     void *driverdata;           /**< Driver specific texture representation */
    70 
    71     SDL_Texture *prev;
    72     SDL_Texture *next;
    73 };
    74 
    75 /* Define the SDL renderer structure */
    76 struct SDL_Renderer
    77 {
    78     const void *magic;
    79 
    80     void (*WindowEvent) (SDL_Renderer * renderer, const SDL_WindowEvent *event);
    81     int (*GetOutputSize) (SDL_Renderer * renderer, int *w, int *h);
    82     int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
    83     int (*SetTextureColorMod) (SDL_Renderer * renderer,
    84                                SDL_Texture * texture);
    85     int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
    86                                SDL_Texture * texture);
    87     int (*SetTextureBlendMode) (SDL_Renderer * renderer,
    88                                 SDL_Texture * texture);
    89     int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
    90                           const SDL_Rect * rect, const void *pixels,
    91                           int pitch);
    92     int (*UpdateTextureYUV) (SDL_Renderer * renderer, SDL_Texture * texture,
    93                             const SDL_Rect * rect,
    94                             const Uint8 *Yplane, int Ypitch,
    95                             const Uint8 *Uplane, int Upitch,
    96                             const Uint8 *Vplane, int Vpitch);
    97     int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
    98                         const SDL_Rect * rect, void **pixels, int *pitch);
    99     void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
   100     int (*SetRenderTarget) (SDL_Renderer * renderer, SDL_Texture * texture);
   101     int (*UpdateViewport) (SDL_Renderer * renderer);
   102     int (*UpdateClipRect) (SDL_Renderer * renderer);
   103     int (*RenderClear) (SDL_Renderer * renderer);
   104     int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_FPoint * points,
   105                              int count);
   106     int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_FPoint * points,
   107                             int count);
   108     int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_FRect * rects,
   109                             int count);
   110     int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
   111                        const SDL_Rect * srcrect, const SDL_FRect * dstrect);
   112     int (*RenderCopyEx) (SDL_Renderer * renderer, SDL_Texture * texture,
   113                        const SDL_Rect * srcquad, const SDL_FRect * dstrect,
   114                        const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip);
   115     int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
   116                              Uint32 format, void * pixels, int pitch);
   117     void (*RenderPresent) (SDL_Renderer * renderer);
   118     void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
   119 
   120     void (*DestroyRenderer) (SDL_Renderer * renderer);
   121 
   122     int (*GL_BindTexture) (SDL_Renderer * renderer, SDL_Texture *texture, float *texw, float *texh);
   123     int (*GL_UnbindTexture) (SDL_Renderer * renderer, SDL_Texture *texture);
   124 
   125     /* The current renderer info */
   126     SDL_RendererInfo info;
   127 
   128     /* The window associated with the renderer */
   129     SDL_Window *window;
   130     SDL_bool hidden;
   131 
   132     /* The logical resolution for rendering */
   133     int logical_w;
   134     int logical_h;
   135     int logical_w_backup;
   136     int logical_h_backup;
   137 
   138     /* The drawable area within the window */
   139     SDL_Rect viewport;
   140     SDL_Rect viewport_backup;
   141 
   142     /* The clip rectangle within the window */
   143     SDL_Rect clip_rect;
   144     SDL_Rect clip_rect_backup;
   145 
   146     /* The render output coordinate scale */
   147     SDL_FPoint scale;
   148     SDL_FPoint scale_backup;
   149 
   150     /* The list of textures */
   151     SDL_Texture *textures;
   152     SDL_Texture *target;
   153 
   154     Uint8 r, g, b, a;                   /**< Color for drawing operations values */
   155     SDL_BlendMode blendMode;            /**< The drawing blend mode */
   156 
   157     void *driverdata;
   158 };
   159 
   160 /* Define the SDL render driver structure */
   161 struct SDL_RenderDriver
   162 {
   163     SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
   164 
   165     /* Info about the renderer capabilities */
   166     SDL_RendererInfo info;
   167 };
   168 
   169 #if !SDL_RENDER_DISABLED
   170 
   171 #if SDL_VIDEO_RENDER_D3D
   172 extern SDL_RenderDriver D3D_RenderDriver;
   173 #endif
   174 #if SDL_VIDEO_RENDER_OGL
   175 extern SDL_RenderDriver GL_RenderDriver;
   176 #endif
   177 #if SDL_VIDEO_RENDER_OGL_ES2
   178 extern SDL_RenderDriver GLES2_RenderDriver;
   179 #endif
   180 #if SDL_VIDEO_RENDER_OGL_ES
   181 extern SDL_RenderDriver GLES_RenderDriver;
   182 #endif
   183 #if SDL_VIDEO_RENDER_DIRECTFB
   184 extern SDL_RenderDriver DirectFB_RenderDriver;
   185 #endif
   186 #if SDL_VIDEO_RENDER_PSP
   187 extern SDL_RenderDriver PSP_RenderDriver;
   188 #endif
   189 extern SDL_RenderDriver SW_RenderDriver;
   190 
   191 #endif /* !SDL_RENDER_DISABLED */
   192 
   193 #endif /* _SDL_sysrender_h */
   194 
   195 /* vi: set ts=4 sw=4 expandtab: */