forked from Green-Sky/tomato
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
#include "SDL_internal.h"
|
|
|
|
#if defined(SDL_VIDEO_DRIVER_RPI) && defined(SDL_VIDEO_OPENGL_EGL)
|
|
|
|
#include "SDL_rpivideo.h"
|
|
#include "SDL_rpiopengles.h"
|
|
|
|
/* EGL implementation of SDL OpenGL support */
|
|
|
|
void RPI_GLES_DefaultProfileConfig(SDL_VideoDevice *_this, int *mask, int *major, int *minor)
|
|
{
|
|
*mask = SDL_GL_CONTEXT_PROFILE_ES;
|
|
*major = 2;
|
|
*minor = 0;
|
|
}
|
|
|
|
int RPI_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path)
|
|
{
|
|
return SDL_EGL_LoadLibrary(_this, path, EGL_DEFAULT_DISPLAY, 0);
|
|
}
|
|
|
|
int RPI_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window)
|
|
{
|
|
SDL_WindowData *wdata = window->driverdata;
|
|
|
|
if (!(_this->egl_data->eglSwapBuffers(_this->egl_data->egl_display, wdata->egl_surface))) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "eglSwapBuffers failed.");
|
|
return 0;
|
|
}
|
|
|
|
/* Wait immediately for vsync (as if we only had two buffers), for low input-lag scenarios.
|
|
* Run your SDL program with "SDL_RPI_DOUBLE_BUFFER=1 <program_name>" to enable this. */
|
|
if (wdata->double_buffer) {
|
|
SDL_LockMutex(wdata->vsync_cond_mutex);
|
|
SDL_WaitCondition(wdata->vsync_cond, wdata->vsync_cond_mutex);
|
|
SDL_UnlockMutex(wdata->vsync_cond_mutex);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
SDL_EGL_CreateContext_impl(RPI)
|
|
SDL_EGL_MakeCurrent_impl(RPI)
|
|
|
|
#endif /* SDL_VIDEO_DRIVER_RPI && SDL_VIDEO_OPENGL_EGL */
|