static void gfx_ctx_glx_destroy(void *data)
{
gfx_ctx_glx_data_t *glx = (gfx_ctx_glx_data_t*)
gfx_ctx_data_get_ptr();
if (!glx)
return;
(void)data;
ctx_glx_destroy_resources(glx);
gfx_ctx_free_data();
}
static void gfx_ctx_glx_destroy(void *data)
{
gfx_ctx_glx_data_t *glx = (gfx_ctx_glx_data_t*)driver.video_context_data;
if (!glx)
return;
(void)data;
ctx_glx_destroy_resources(glx);
if (driver.video_context_data)
free(driver.video_context_data);
driver.video_context_data = NULL;
}
static bool gfx_ctx_glx_set_video_mode(void *data,
unsigned width, unsigned height,
bool fullscreen)
{
XEvent event;
bool true_full = false, windowed_full;
int val, x_off = 0, y_off = 0;
XVisualInfo *vi = NULL;
XSetWindowAttributes swa = {0};
int (*old_handler)(Display*, XErrorEvent*) = NULL;
driver_t *driver = driver_get_ptr();
gfx_ctx_glx_data_t *glx = (gfx_ctx_glx_data_t*)driver->video_context_data;
struct sigaction sa = {{0}};
settings_t *settings = config_get_ptr();
sa.sa_handler = glx_sighandler;
sa.sa_flags = SA_RESTART;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
if (!glx)
return false;
windowed_full = settings->video.windowed_fullscreen;
true_full = false;
vi = glXGetVisualFromFBConfig(glx->g_dpy, glx->g_fbc);
if (!vi)
goto error;
swa.colormap = glx->g_cmap = XCreateColormap(glx->g_dpy,
RootWindow(glx->g_dpy, vi->screen), vi->visual, AllocNone);
swa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
ButtonReleaseMask | ButtonPressMask;
swa.override_redirect = fullscreen ? True : False;
if (fullscreen && !windowed_full)
{
if (x11_enter_fullscreen(glx->g_dpy, width, height, &glx->g_desktop_mode))
{
glx->g_should_reset_mode = true;
true_full = true;
}
else
RARCH_ERR("[GLX]: Entering true fullscreen failed. Will attempt windowed mode.\n");
}
if (settings->video.monitor_index)
glx->g_screen = settings->video.monitor_index - 1;
#ifdef HAVE_XINERAMA
if (fullscreen || glx->g_screen != 0)
{
unsigned new_width = width;
unsigned new_height = height;
if (x11_get_xinerama_coord(glx->g_dpy, glx->g_screen,
&x_off, &y_off, &new_width, &new_height))
RARCH_LOG("[GLX]: Using Xinerama on screen #%u.\n", glx->g_screen);
else
RARCH_LOG("[GLX]: Xinerama is not active on screen.\n");
if (fullscreen)
{
width = new_width;
height = new_height;
}
}
#endif
RARCH_LOG("[GLX]: X = %d, Y = %d, W = %u, H = %u.\n",
x_off, y_off, width, height);
glx->g_win = XCreateWindow(glx->g_dpy, RootWindow(glx->g_dpy, vi->screen),
x_off, y_off, width, height, 0,
vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask | (true_full ? CWOverrideRedirect : 0), &swa);
XSetWindowBackground(glx->g_dpy, glx->g_win, 0);
glx->g_glx_win = glXCreateWindow(glx->g_dpy, glx->g_fbc, glx->g_win, 0);
x11_set_window_attr(glx->g_dpy, glx->g_win);
if (fullscreen)
x11_show_mouse(glx->g_dpy, glx->g_win, false);
if (true_full)
{
RARCH_LOG("[GLX]: Using true fullscreen.\n");
XMapRaised(glx->g_dpy, glx->g_win);
}
else if (fullscreen) /* We attempted true fullscreen, but failed. Attempt using windowed fullscreen. */
{
XMapRaised(glx->g_dpy, glx->g_win);
RARCH_LOG("[GLX]: Using windowed fullscreen.\n");
/* We have to move the window to the screen we want to go fullscreen on first.
* x_off and y_off usually get ignored in XCreateWindow().
*/
x11_move_window(glx->g_dpy, glx->g_win, x_off, y_off, width, height);
x11_windowed_fullscreen(glx->g_dpy, glx->g_win);
}
else
{
XMapWindow(glx->g_dpy, glx->g_win);
// If we want to map the window on a different screen, we'll have to do it by force.
// Otherwise, we should try to let the window manager sort it out.
// x_off and y_off usually get ignored in XCreateWindow().
if (glx->g_screen)
x11_move_window(glx->g_dpy, glx->g_win, x_off, y_off, width, height);
}
XIfEvent(glx->g_dpy, &event, glx_wait_notify, NULL);
if (!glx->g_ctx)
{
if (glx->g_core_es || glx->g_debug)
{
int attribs[16];
int *aptr = attribs;
if (glx->g_core_es)
{
*aptr++ = GLX_CONTEXT_MAJOR_VERSION_ARB;
*aptr++ = g_major;
*aptr++ = GLX_CONTEXT_MINOR_VERSION_ARB;
*aptr++ = g_minor;
if (glx->g_core_es_core)
{
/* Technically, we don't have core/compat until 3.2.
* Version 3.1 is either compat or not depending on GL_ARB_compatibility.
*/
*aptr++ = GLX_CONTEXT_PROFILE_MASK_ARB;
#ifdef HAVE_OPENGLES2
*aptr++ = GLX_CONTEXT_ES_PROFILE_BIT_EXT;
#else
*aptr++ = GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
#endif
}
}
if (glx->g_debug)
{
*aptr++ = GLX_CONTEXT_FLAGS_ARB;
*aptr++ = GLX_CONTEXT_DEBUG_BIT_ARB;
}
*aptr = None;
glx->g_ctx = glx_create_context_attribs(glx->g_dpy, glx->g_fbc, NULL, True, attribs);
if (glx->g_use_hw_ctx)
{
RARCH_LOG("[GLX]: Creating shared HW context.\n");
glx->g_hw_ctx = glx_create_context_attribs(glx->g_dpy, glx->g_fbc, glx->g_ctx, True, attribs);
if (!glx->g_hw_ctx)
RARCH_ERR("[GLX]: Failed to create new shared context.\n");
}
}
else
{
glx->g_ctx = glXCreateNewContext(glx->g_dpy, glx->g_fbc, GLX_RGBA_TYPE, 0, True);
if (glx->g_use_hw_ctx)
{
glx->g_hw_ctx = glXCreateNewContext(glx->g_dpy, glx->g_fbc, GLX_RGBA_TYPE, glx->g_ctx, True);
if (!glx->g_hw_ctx)
RARCH_ERR("[GLX]: Failed to create new shared context.\n");
}
}
if (!glx->g_ctx)
{
RARCH_ERR("[GLX]: Failed to create new context.\n");
goto error;
}
}
else
{
driver->video_cache_context_ack = true;
RARCH_LOG("[GLX]: Using cached GL context.\n");
}
glXMakeContextCurrent(glx->g_dpy, glx->g_glx_win, glx->g_glx_win, glx->g_ctx);
XSync(glx->g_dpy, False);
g_quit_atom = XInternAtom(glx->g_dpy, "WM_DELETE_WINDOW", False);
if (g_quit_atom)
XSetWMProtocols(glx->g_dpy, glx->g_win, &g_quit_atom, 1);
glXGetConfig(glx->g_dpy, vi, GLX_DOUBLEBUFFER, &val);
glx->g_is_double = val;
if (glx->g_is_double)
{
const char *swap_func = NULL;
g_pglSwapIntervalEXT = (void (*)(Display*, GLXDrawable, int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalEXT");
g_pglSwapIntervalSGI = (int (*)(int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalSGI");
g_pglSwapInterval = (int (*)(int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalMESA");
if (g_pglSwapIntervalEXT)
swap_func = "glXSwapIntervalEXT";
else if (g_pglSwapInterval)
swap_func = "glXSwapIntervalMESA";
else if (g_pglSwapIntervalSGI)
swap_func = "glXSwapIntervalSGI";
if (!g_pglSwapInterval && !g_pglSwapIntervalEXT && !g_pglSwapIntervalSGI)
RARCH_WARN("[GLX]: Cannot find swap interval call.\n");
else
RARCH_LOG("[GLX]: Found swap function: %s.\n", swap_func);
}
else
RARCH_WARN("[GLX]: Context is not double buffered!.\n");
gfx_ctx_glx_swap_interval(data, glx->g_interval);
/* This can blow up on some drivers. It's not fatal, so override errors for this call. */
old_handler = XSetErrorHandler(glx_nul_handler);
XSetInputFocus(glx->g_dpy, glx->g_win, RevertToNone, CurrentTime);
XSync(glx->g_dpy, False);
XSetErrorHandler(old_handler);
XFree(vi);
glx->g_has_focus = true;
if (!x11_create_input_context(glx->g_dpy, glx->g_win, &glx->g_xim, &glx->g_xic))
goto error;
driver->display_type = RARCH_DISPLAY_X11;
driver->video_display = (uintptr_t)glx->g_dpy;
driver->video_window = (uintptr_t)glx->g_win;
glx->g_true_full = true_full;
return true;
error:
if (vi)
XFree(vi);
ctx_glx_destroy_resources(glx);
if (glx)
free(glx);
return false;
}
static bool gfx_ctx_glx_init(void *data)
{
static const int visual_attribs[] = {
GLX_X_RENDERABLE , True,
GLX_DRAWABLE_TYPE , GLX_WINDOW_BIT,
GLX_RENDER_TYPE , GLX_RGBA_BIT,
GLX_DOUBLEBUFFER , True,
GLX_RED_SIZE , 8,
GLX_GREEN_SIZE , 8,
GLX_BLUE_SIZE , 8,
GLX_ALPHA_SIZE , 8,
GLX_DEPTH_SIZE , 0,
GLX_STENCIL_SIZE , 0,
None
};
int nelements, major, minor;
GLXFBConfig *fbcs = NULL;
gfx_ctx_glx_data_t *glx = (gfx_ctx_glx_data_t*)calloc(1, sizeof(gfx_ctx_glx_data_t));
driver_t *driver = driver_get_ptr();
const struct retro_hw_render_callback *hw_render =
(const struct retro_hw_render_callback*)video_driver_callback();
if (!glx)
return false;
XInitThreads();
g_quit = 0;
if (!glx->g_dpy)
glx->g_dpy = XOpenDisplay(NULL);
if (!glx->g_dpy)
goto error;
glXQueryVersion(glx->g_dpy, &major, &minor);
/* GLX 1.3+ minimum required. */
if ((major * 1000 + minor) < 1003)
goto error;
glx_create_context_attribs = (PFNGLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
#ifdef GL_DEBUG
glx->g_debug = true;
#else
glx->g_debug = hw_render->debug_context;
#endif
/* Have to use ContextAttribs */
#ifdef HAVE_OPENGLES2
glx->g_core_es = true;
glx->g_core_es_core = true;
#else
glx->g_core_es = (g_major * 1000 + g_minor) >= 3001;
glx->g_core_es_core = (g_major * 1000 + g_minor) >= 3002;
#endif
if ((glx->g_core_es || glx->g_debug) && !glx_create_context_attribs)
goto error;
fbcs = glXChooseFBConfig(glx->g_dpy, DefaultScreen(glx->g_dpy),
visual_attribs, &nelements);
if (!fbcs)
goto error;
if (!nelements)
{
XFree(fbcs);
goto error;
}
glx->g_fbc = fbcs[0];
XFree(fbcs);
driver->video_context_data = glx;
return true;
error:
ctx_glx_destroy_resources(glx);
if (glx)
free(glx);
return false;
}
static bool gfx_ctx_glx_init(void *data)
{
int nelements, major, minor;
GLXFBConfig *fbcs = NULL;
gfx_ctx_glx_data_t *glx = (gfx_ctx_glx_data_t*)calloc(1, sizeof(gfx_ctx_glx_data_t));
if (!glx)
return false;
XInitThreads();
static const int visual_attribs[] = {
GLX_X_RENDERABLE , True,
GLX_DRAWABLE_TYPE , GLX_WINDOW_BIT,
GLX_RENDER_TYPE , GLX_RGBA_BIT,
GLX_DOUBLEBUFFER , True,
GLX_RED_SIZE , 8,
GLX_GREEN_SIZE , 8,
GLX_BLUE_SIZE , 8,
GLX_ALPHA_SIZE , 8,
GLX_DEPTH_SIZE , 0,
GLX_STENCIL_SIZE , 0,
None
};
g_quit = 0;
if (!glx->g_dpy)
glx->g_dpy = XOpenDisplay(NULL);
if (!glx->g_dpy)
goto error;
glXQueryVersion(glx->g_dpy, &major, &minor);
// GLX 1.3+ minimum required.
if ((major * 1000 + minor) < 1003)
goto error;
glx_create_context_attribs = (glXCreateContextAttribsARBProc)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
#ifdef GL_DEBUG
g_debug = true;
#else
glx->g_debug = g_extern.system.hw_render_callback.debug_context;
#endif
glx->g_core = (g_major * 1000 + g_minor) >= 3001; // Have to use ContextAttribs
if ((glx->g_core || glx->g_debug) && !glx_create_context_attribs)
goto error;
fbcs = glXChooseFBConfig(glx->g_dpy, DefaultScreen(glx->g_dpy),
visual_attribs, &nelements);
if (!fbcs)
goto error;
if (!nelements)
{
XFree(fbcs);
goto error;
}
glx->g_fbc = fbcs[0];
XFree(fbcs);
driver.video_context_data = glx;
return true;
error:
ctx_glx_destroy_resources(glx);
if (glx)
free(glx);
return false;
}