OpenGL ES support for Windows
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Gabriel Jacobo
parent
239ba53a4c
commit
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32 changed files with 6741 additions and 1210 deletions
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#ifndef _SDL_egl_h
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#define _SDL_egl_h
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#if SDL_VIDEO_OPENGL_EGL
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#include <EGL/egl.h>
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#include <dlfcn.h>
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#if defined(__OpenBSD__) && !defined(__ELF__)
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#define dlsym(x,y) dlsym(x, "_" y)
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#endif
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#include "SDL_sysvideo.h"
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typedef struct SDL_EGL_VideoData
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{
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void *egl_dll_handle;
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EGLDisplay egl_display;
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EGLConfig egl_config;
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int egl_swapinterval;
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EGLDisplay(*eglGetDisplay) (NativeDisplayType display);
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EGLBoolean(*eglInitialize) (EGLDisplay dpy, EGLint * major,
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EGLint * minor);
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EGLBoolean(*eglTerminate) (EGLDisplay dpy);
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void *(*eglGetProcAddress) (const char * procName);
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EGLBoolean(*eglChooseConfig) (EGLDisplay dpy,
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const EGLint * attrib_list,
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EGLConfig * configs,
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EGLint config_size, EGLint * num_config);
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EGLContext(*eglCreateContext) (EGLDisplay dpy,
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EGLConfig config,
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EGLContext share_list,
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const EGLint * attrib_list);
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EGLBoolean(*eglDestroyContext) (EGLDisplay dpy, EGLContext ctx);
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EGLSurface(*eglCreateWindowSurface) (EGLDisplay dpy,
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EGLConfig config,
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NativeWindowType window,
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const EGLint * attrib_list);
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EGLBoolean(*eglDestroySurface) (EGLDisplay dpy, EGLSurface surface);
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EGLBoolean(*eglMakeCurrent) (EGLDisplay dpy, EGLSurface draw,
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EGLSurface read, EGLContext ctx);
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EGLBoolean(*eglSwapBuffers) (EGLDisplay dpy, EGLSurface draw);
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EGLBoolean(*eglSwapInterval) (EGLDisplay dpy, EGLint interval);
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const char *(*eglQueryString) (EGLDisplay dpy, EGLint name);
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EGLBoolean(*eglGetConfigAttrib) (EGLDisplay dpy, EGLConfig config,
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EGLint attribute, EGLint * value);
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EGLBoolean(*eglWaitNative) (EGLint engine);
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EGLBoolean(*eglWaitGL)(void);
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} SDL_EGL_VideoData;
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/* OpenGLES functions */
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extern int SDL_EGL_GetAttribute(_THIS, SDL_GLattr attrib, int *value);
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extern int SDL_EGL_LoadLibrary(_THIS, const char *path, NativeDisplayType native_display);
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extern void *SDL_EGL_GetProcAddress(_THIS, const char *proc);
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extern void SDL_EGL_UnloadLibrary(_THIS);
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extern int SDL_EGL_ChooseConfig(_THIS);
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extern int SDL_EGL_SetSwapInterval(_THIS, int interval);
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extern int SDL_EGL_GetSwapInterval(_THIS);
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extern void SDL_EGL_DeleteContext(_THIS, SDL_GLContext context);
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extern EGLSurface *SDL_EGL_CreateSurface(_THIS, NativeWindowType nw);
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extern void SDL_EGL_DestroySurface(_THIS, EGLSurface egl_surface);
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/* These need to be wrapped to get the surface for the window by the platform GLES implementation */
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extern SDL_GLContext SDL_EGL_CreateContext(_THIS, EGLSurface egl_surface);
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extern int SDL_EGL_MakeCurrent(_THIS, EGLSurface egl_surface, SDL_GLContext context);
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extern void SDL_EGL_SwapBuffers(_THIS, EGLSurface egl_surface);
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/* A few of useful macros */
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#define SDL_EGL_SwapWindow_impl(BACKEND) void \
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BACKEND ## _GLES_SwapWindow(_THIS, SDL_Window * window) \
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{\
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SDL_EGL_SwapBuffers(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);\
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}
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#define SDL_EGL_MakeCurrent_impl(BACKEND) int \
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BACKEND ## _GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context) \
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{\
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if (window && context) { \
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return SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context); \
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}\
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else {\
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return SDL_EGL_MakeCurrent(_this, NULL, NULL);\
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}\
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}
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#define SDL_EGL_CreateContext_impl(BACKEND) SDL_GLContext \
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BACKEND ## _GLES_CreateContext(_THIS, SDL_Window * window) \
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{\
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return SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);\
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}
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#endif /* SDL_VIDEO_OPENGL_EGL */
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#endif /* _SDL_egl_h */
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/* vi: set ts=4 sw=4 expandtab: */
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