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https://github.com/Ryujinx/SDL.git
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72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2017 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_internal.h"
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#include "SDL_hints.h"
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#include "SDL_log.h"
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#if SDL_VIDEO_DRIVER_RPI && SDL_VIDEO_OPENGL_EGL
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#include "SDL_rpivideo.h"
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#include "SDL_rpiopengles.h"
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/* EGL implementation of SDL OpenGL support */
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void
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RPI_GLES_DefaultProfileConfig(_THIS, int *mask, int *major, int *minor)
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{
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*mask = SDL_GL_CONTEXT_PROFILE_ES;
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*major = 2;
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*minor = 0;
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}
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int
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RPI_GLES_LoadLibrary(_THIS, const char *path) {
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return SDL_EGL_LoadLibrary(_this, path, EGL_DEFAULT_DISPLAY, 0);
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}
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int
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RPI_GLES_SwapWindow(_THIS, SDL_Window * window) {
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SDL_WindowData *wdata = ((SDL_WindowData *) window->driverdata);
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if (!(_this->egl_data->eglSwapBuffers(_this->egl_data->egl_display, wdata->egl_surface))) {
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SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "eglSwapBuffers failed.");
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return 0;
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}
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/* Wait immediately for vsync (as if we only had two buffers), for low input-lag scenarios.
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* Run your SDL2 program with "SDL_RPI_DOUBLE_BUFFER=1 <program_name>" to enable this. */
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if (wdata->double_buffer) {
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SDL_LockMutex(wdata->vsync_cond_mutex);
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SDL_CondWait(wdata->vsync_cond, wdata->vsync_cond_mutex);
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SDL_UnlockMutex(wdata->vsync_cond_mutex);
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}
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return 0;
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}
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SDL_EGL_CreateContext_impl(RPI)
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SDL_EGL_MakeCurrent_impl(RPI)
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#endif /* SDL_VIDEO_DRIVER_RPI && SDL_VIDEO_OPENGL_EGL */
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/* vi: set ts=4 sw=4 expandtab: */
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