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annotate src/video/x11/SDL_x11opengles.h @ 3468:789b97008d8a

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My first OpenGL shader! Momma will be so proud! This shader implements the software renderer mask semantics where the source pixel is multiplied by the color and alpha modulation values and then any pixel with non-zero alpha is fully opaque. The OpenGL renderer on Mac OS X now passes all the automated render tests! :)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 05:29:31 +0000
parents c68d2ca5970f
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21
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22 Open Pandora SDL driver
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23 Copyright (C) 2009 David Carré
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24 (cpasjuste@gmail.com)
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25 */
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26
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27 #include <GLES/gl.h>
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28 #include <GLES/egl.h>
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29 #include <dlfcn.h>
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30 #if defined(__OpenBSD__) && !defined(__ELF__)
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31 #define dlsym(x,y) dlsym(x, "_" y)
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32 #endif
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33
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34 #include "../SDL_sysvideo.h"
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35
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36 typedef struct SDL_PrivateGLESData
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37 {
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38 int egl_active; /* to stop switching drivers while we have a valid context */
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39 XVisualInfo *egl_visualinfo;
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40 EGLDisplay egl_display;
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41 EGLContext egl_context; /* Current GLES context */
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42 EGLSurface egl_surface;
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43 EGLConfig egl_config;
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44
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45 EGLDisplay(*eglGetDisplay) (NativeDisplayType display);
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46 EGLBoolean(*eglInitialize) (EGLDisplay dpy, EGLint * major,
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47 EGLint * minor);
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48 EGLBoolean(*eglTerminate) (EGLDisplay dpy);
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49
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50 void *(*eglGetProcAddress) (const GLubyte * procName);
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51
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52 EGLBoolean(*eglChooseConfig) (EGLDisplay dpy,
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53 const EGLint * attrib_list,
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54 EGLConfig * configs,
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55 EGLint config_size, EGLint * num_config);
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56
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57 EGLContext(*eglCreateContext) (EGLDisplay dpy,
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58 EGLConfig config,
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59 EGLContext share_list,
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60 const EGLint * attrib_list);
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61
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62 EGLBoolean(*eglDestroyContext) (EGLDisplay dpy, EGLContext ctx);
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63
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64 EGLSurface(*eglCreateWindowSurface) (EGLDisplay dpy,
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65 EGLConfig config,
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66 NativeWindowType window,
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67 const EGLint * attrib_list);
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68 EGLBoolean(*eglDestroySurface) (EGLDisplay dpy, EGLSurface surface);
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69
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70 EGLBoolean(*eglMakeCurrent) (EGLDisplay dpy, EGLSurface draw,
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71 EGLSurface read, EGLContext ctx);
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72
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73 EGLBoolean(*eglSwapBuffers) (EGLDisplay dpy, EGLSurface draw);
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74
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75 const char *(*eglQueryString) (EGLDisplay dpy, EGLint name);
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76
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77 EGLBoolean(*eglGetConfigAttrib) (EGLDisplay dpy, EGLConfig config,
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78 EGLint attribute, EGLint * value);
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79
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80 } SDL_PrivateGLESData;
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81
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82 /* OpenGLES functions */
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83 extern SDL_GLContext X11_GLES_CreateContext(_THIS, SDL_Window * window);
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84 extern XVisualInfo *X11_GLES_GetVisual(_THIS, Display * display, int screen);
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85 extern int X11_GLES_MakeCurrent(_THIS, SDL_Window * window,
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86 SDL_GLContext context);
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87 extern int X11_GLES_GetAttribute(_THIS, SDL_GLattr attrib, int *value);
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88 extern int X11_GLES_LoadLibrary(_THIS, const char *path);
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89 extern void *X11_GLES_GetProcAddress(_THIS, const char *proc);
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90 extern void X11_GLES_UnloadLibrary(_THIS);
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91
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92 extern int X11_GLES_SetSwapInterval(_THIS, int interval);
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93 extern int X11_GLES_GetSwapInterval(_THIS);
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94 extern void X11_GLES_SwapWindow(_THIS, SDL_Window * window);
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95 extern void X11_GLES_DeleteContext(_THIS, SDL_GLContext context);