src/render/SDL_sysrender.h
author Sam Lantinga <slouken@libsdl.org>
Sat, 12 Feb 2011 11:36:56 -0800
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child 5290 25af68c1901d
permissions -rw-r--r--
Frank Zago to sdl The following patch fixes some of the bitrot for the Nintendo DS port. The support is still basic at the moment, but it allows to run the "general" test under the current head of tree (parent: 5269:11bd1585efb5 tip). Most of the patch is mine, but I integrated a couple changes that John Magnotti posted on Feb 1st.
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/*
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    SDL - Simple DirectMedia Layer
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b530ef003506 Happy 2011! :)
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    Copyright (C) 1997-2011 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef _SDL_sysrender_h
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#define _SDL_sysrender_h
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#include "SDL_render.h"
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#include "SDL_events.h"
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#include "SDL_yuv_sw_c.h"
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/* The SDL 2D rendering system */
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typedef struct SDL_RenderDriver SDL_RenderDriver;
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/* Define the SDL texture structure */
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struct SDL_Texture
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{
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    const void *magic;
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    Uint32 format;              /**< The pixel format of the texture */
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    int access;                 /**< SDL_TextureAccess */
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    int w;                      /**< The width of the texture */
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    int h;                      /**< The height of the texture */
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    int modMode;                /**< The texture modulation mode */
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    SDL_BlendMode blendMode;    /**< The texture blend mode */
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    Uint8 r, g, b, a;           /**< Texture modulation values */
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    SDL_Renderer *renderer;
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    /* Support for formats not supported directly by the renderer */
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    SDL_Texture *native;
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    SDL_SW_YUVTexture *yuv;
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    void *pixels;
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    int pitch;
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    SDL_Rect locked_rect;
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    void *driverdata;           /**< Driver specific texture representation */
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    SDL_Texture *prev;
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    SDL_Texture *next;
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};
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/* Define the SDL renderer structure */
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struct SDL_Renderer
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{
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    const void *magic;
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    void (*WindowEvent) (SDL_Renderer * renderer, const SDL_WindowEvent *event);
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    int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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    int (*SetTextureColorMod) (SDL_Renderer * renderer,
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                               SDL_Texture * texture);
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    int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
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                               SDL_Texture * texture);
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    int (*SetTextureBlendMode) (SDL_Renderer * renderer,
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                                SDL_Texture * texture);
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    int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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                          const SDL_Rect * rect, const void *pixels,
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                          int pitch);
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    int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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                        const SDL_Rect * rect, void **pixels, int *pitch);
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    void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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    void (*SetClipRect) (SDL_Renderer * renderer, const SDL_Rect *rect);
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    int (*RenderClear) (SDL_Renderer * renderer);
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    int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points,
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                             int count);
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    int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points,
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                            int count);
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    int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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                            int count);
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    int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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                       const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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    int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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                             Uint32 format, void * pixels, int pitch);
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    void (*RenderPresent) (SDL_Renderer * renderer);
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    void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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    void (*DestroyRenderer) (SDL_Renderer * renderer);
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    /* The current renderer info */
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    SDL_RendererInfo info;
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    /* The window associated with the renderer */
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    SDL_Window *window;
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    /* The list of textures */
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    SDL_Texture *textures;
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    Uint8 r, g, b, a;                   /**< Color for drawing operations values */
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    SDL_BlendMode blendMode;            /**< The drawing blend mode */
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    void *driverdata;
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};
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/* Define the SDL render driver structure */
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struct SDL_RenderDriver
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{
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    SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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    /* Info about the renderer capabilities */
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    SDL_RendererInfo info;
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};
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#if !SDL_RENDER_DISABLED
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5154
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#if SDL_VIDEO_RENDER_D3D
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extern SDL_RenderDriver D3D_RenderDriver;
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#endif
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#if SDL_VIDEO_RENDER_OGL
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extern SDL_RenderDriver GL_RenderDriver;
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#endif
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#if SDL_VIDEO_RENDER_OGL_ES2
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extern SDL_RenderDriver GLES2_RenderDriver;
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#endif
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#if SDL_VIDEO_RENDER_OGL_ES
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extern SDL_RenderDriver GLES_RenderDriver;
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#endif
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#if SDL_VIDEO_RENDER_DIRECTFB
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extern SDL_RenderDriver DirectFB_RenderDriver;
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#endif
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#ifdef SDL_VIDEO_RENDER_NDS
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extern SDL_RenderDriver NDS_RenderDriver;
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#endif
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extern SDL_RenderDriver SW_RenderDriver;
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#endif /* !SDL_RENDER_DISABLED */
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#endif /* _SDL_sysrender_h */
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/* vi: set ts=4 sw=4 expandtab: */