SDL_x11opengles.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2018 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 SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_OPENGL_EGL
#include "SDL_x11video.h"
#include "SDL_x11opengles.h"
#include "SDL_x11opengl.h"
/* EGL implementation of SDL OpenGL support */
int
X11_GLES_LoadLibrary(_THIS, const char *path)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
/* If the profile requested is not GL ES, switch over to X11_GL functions */
if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) {
#if SDL_VIDEO_OPENGL_GLX
X11_GLES_UnloadLibrary(_this);
_this->GL_LoadLibrary = X11_GL_LoadLibrary;
_this->GL_GetProcAddress = X11_GL_GetProcAddress;
_this->GL_UnloadLibrary = X11_GL_UnloadLibrary;
_this->GL_CreateContext = X11_GL_CreateContext;
_this->GL_MakeCurrent = X11_GL_MakeCurrent;
_this->GL_SetSwapInterval = X11_GL_SetSwapInterval;
_this->GL_GetSwapInterval = X11_GL_GetSwapInterval;
_this->GL_SwapWindow = X11_GL_SwapWindow;
_this->GL_DeleteContext = X11_GL_DeleteContext;
return X11_GL_LoadLibrary(_this, path);
#else
return SDL_SetError("SDL not configured with OpenGL/GLX support");
#endif
}
return SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) data->display, 0);
}
XVisualInfo *
X11_GLES_GetVisual(_THIS, Display * display, int screen)
{
XVisualInfo *egl_visualinfo = NULL;
EGLint visual_id;
XVisualInfo vi_in;
int out_count;
if (!_this->egl_data) {
/* The EGL library wasn't loaded, SDL_GetError() should have info */
return NULL;
}
if (_this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display,
_this->egl_data->egl_config,
EGL_NATIVE_VISUAL_ID,
&visual_id) == EGL_FALSE || !visual_id) {
/* Use the default visual when all else fails */
vi_in.screen = screen;
egl_visualinfo = X11_XGetVisualInfo(display,
VisualScreenMask,
&vi_in, &out_count);
} else {
vi_in.screen = screen;
vi_in.visualid = visual_id;
egl_visualinfo = X11_XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
}
return egl_visualinfo;
}
SDL_GLContext
X11_GLES_CreateContext(_THIS, SDL_Window * window)
{
SDL_GLContext context;
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
X11_XSync(display, False);
context = SDL_EGL_CreateContext(_this, data->egl_surface);
X11_XSync(display, False);
return context;
}
SDL_EGL_SwapWindow_impl(X11)
SDL_EGL_MakeCurrent_impl(X11)
#endif /* SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_OPENGL_EGL */
/* vi: set ts=4 sw=4 expandtab: */
SDL_VideoData::display
struct wl_display * display
Definition: SDL_waylandvideo.h:40
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:377
SDL_VideoDevice::GL_SetSwapInterval
int(* GL_SetSwapInterval)(_THIS, int interval)
Definition: SDL_sysvideo.h:260
context
static screen_context_t context
Definition: video.c:25
SDL_VideoDevice::profile_mask
int profile_mask
Definition: SDL_sysvideo.h:342
SDL_x11opengl.h
SDL_x11opengles.h
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_VideoDevice::GL_LoadLibrary
int(* GL_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:254
EGL_NATIVE_VISUAL_ID
#define EGL_NATIVE_VISUAL_ID
Definition: egl.h:93
SDL_WindowData
Definition: SDL_androidwindow.h:35
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
SDL_GLContext
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:175
SDL_VideoDevice::GL_CreateContext
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:257
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_WindowData::videodata
struct SDL_VideoData * videodata
Definition: SDL_cocoawindow.h:120
SDL_VideoDevice::GL_MakeCurrent
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
Definition: SDL_sysvideo.h:258
EGLint
khronos_int32_t EGLint
Definition: eglplatform.h:122
EGL_FALSE
#define EGL_FALSE
Definition: egl.h:84
SDL_VideoDevice::GL_UnloadLibrary
void(* GL_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:256
NULL
#define NULL
Definition: begin_code.h:164
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
SDL_VideoDevice::GL_SwapWindow
int(* GL_SwapWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:262
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDL_x11video.h
SDL_VideoData
Definition: SDL_androidvideo.h:35
NativeDisplayType
EGLNativeDisplayType NativeDisplayType
Definition: eglplatform.h:110
path
GLsizei const GLchar *const * path
Definition: SDL_opengl_glext.h:3730
SDL_VideoDevice::gl_config
struct SDL_VideoDevice::@34 gl_config
SDL_Window::driverdata
void * driverdata
Definition: SDL_sysvideo.h:111
SDL_VideoDevice::GL_DeleteContext
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
Definition: SDL_sysvideo.h:263
SDL_VideoDevice::GL_GetSwapInterval
int(* GL_GetSwapInterval)(_THIS)
Definition: SDL_sysvideo.h:261
SDL_GL_CONTEXT_PROFILE_ES
Definition: SDL_video.h:215
screen
SDL_Renderer * screen
Definition: testgamecontroller.c:64
SDL_VideoDevice::GL_GetProcAddress
void *(* GL_GetProcAddress)(_THIS, const char *proc)
Definition: SDL_sysvideo.h:255
SDL_WindowData::egl_surface
EGLSurface egl_surface
Definition: SDL_androidwindow.h:37