static void gfx_ctx_x_destroy(void *data)
{
gfx_ctx_x_data_t *x = (gfx_ctx_x_data_t*)data;
if (!x)
return;
gfx_ctx_x_destroy_resources(x);
switch (x_api)
{
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
if (x->vk.context.queue_lock)
slock_free(x->vk.context.queue_lock);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
free(data);
}
static bool gfx_ctx_x_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;
settings_t *settings = config_get_ptr();
gfx_ctx_x_data_t *x = (gfx_ctx_x_data_t*)data;
x11_install_sighandlers();
if (!x)
return false;
windowed_full = settings->video.windowed_fullscreen;
true_full = false;
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
vi = glXGetVisualFromFBConfig(g_x11_dpy, x->g_fbc);
if (!vi)
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
{
XVisualInfo vi_template;
/* For default case, just try to obtain a visual from template. */
int nvisuals = 0;
memset(&vi_template, 0, sizeof(vi_template));
vi_template.screen = DefaultScreen(g_x11_dpy);
vi = XGetVisualInfo(g_x11_dpy, VisualScreenMask, &vi_template, &nvisuals);
if (!vi || nvisuals < 1)
goto error;
}
break;
}
swa.colormap = g_x11_cmap = XCreateColormap(g_x11_dpy,
RootWindow(g_x11_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(g_x11_dpy, width, height, &x->g_desktop_mode))
{
x->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)
g_x11_screen = settings->video.monitor_index - 1;
#ifdef HAVE_XINERAMA
if (fullscreen || g_x11_screen != 0)
{
unsigned new_width = width;
unsigned new_height = height;
if (x11_get_xinerama_coord(g_x11_dpy, g_x11_screen,
&x_off, &y_off, &new_width, &new_height))
RARCH_LOG("[GLX]: Using Xinerama on screen #%u.\n", g_x11_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);
g_x11_win = XCreateWindow(g_x11_dpy, RootWindow(g_x11_dpy, vi->screen),
x_off, y_off, width, height, 0,
vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask |
(true_full ? CWOverrideRedirect : 0), &swa);
XSetWindowBackground(g_x11_dpy, g_x11_win, 0);
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
x->g_glx_win = glXCreateWindow(g_x11_dpy, x->g_fbc, g_x11_win, 0);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
x11_set_window_attr(g_x11_dpy, g_x11_win);
x11_update_window_title(NULL);
if (fullscreen)
x11_show_mouse(g_x11_dpy, g_x11_win, false);
if (true_full)
{
RARCH_LOG("[GLX]: Using true fullscreen.\n");
XMapRaised(g_x11_dpy, g_x11_win);
}
else if (fullscreen)
{
/* We attempted true fullscreen, but failed.
* Attempt using windowed fullscreen. */
XMapRaised(g_x11_dpy, g_x11_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(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
x11_windowed_fullscreen(g_x11_dpy, g_x11_win);
}
else
{
XMapWindow(g_x11_dpy, g_x11_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 (g_x11_screen)
x11_move_window(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
}
x11_event_queue_check(&event);
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
if (!x->g_ctx)
{
if (x->g_core_es || x->g_debug)
{
int attribs[16];
int *aptr = attribs;
if (x->g_core_es)
{
*aptr++ = GLX_CONTEXT_MAJOR_VERSION_ARB;
*aptr++ = g_major;
*aptr++ = GLX_CONTEXT_MINOR_VERSION_ARB;
*aptr++ = g_minor;
if (x->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 (x->g_debug)
{
*aptr++ = GLX_CONTEXT_FLAGS_ARB;
*aptr++ = GLX_CONTEXT_DEBUG_BIT_ARB;
}
*aptr = None;
x->g_ctx = glx_create_context_attribs(g_x11_dpy,
x->g_fbc, NULL, True, attribs);
if (x->g_use_hw_ctx)
{
RARCH_LOG("[GLX]: Creating shared HW context.\n");
x->g_hw_ctx = glx_create_context_attribs(g_x11_dpy,
x->g_fbc, x->g_ctx, True, attribs);
if (!x->g_hw_ctx)
RARCH_ERR("[GLX]: Failed to create new shared context.\n");
}
}
else
{
x->g_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
GLX_RGBA_TYPE, 0, True);
if (x->g_use_hw_ctx)
{
x->g_hw_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
GLX_RGBA_TYPE, x->g_ctx, True);
if (!x->g_hw_ctx)
RARCH_ERR("[GLX]: Failed to create new shared context.\n");
}
}
if (!x->g_ctx)
{
RARCH_ERR("[GLX]: Failed to create new context.\n");
goto error;
}
}
else
{
video_driver_ctl(RARCH_DISPLAY_CTL_SET_VIDEO_CACHE_CONTEXT_ACK, NULL);
RARCH_LOG("[GLX]: Using cached GL context.\n");
}
glXMakeContextCurrent(g_x11_dpy,
x->g_glx_win, x->g_glx_win, x->g_ctx);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
{
bool quit, resize;
unsigned width, height;
x11_check_window(x, &quit, &resize, &width, &height, 0);
/* Use XCB surface since it's the most supported WSI.
* We can obtain the XCB connection directly from X11. */
if (!vulkan_surface_create(&x->vk, VULKAN_WSI_XCB,
g_x11_dpy, &g_x11_win,
width, height, x->g_interval))
goto error;
}
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
XSync(g_x11_dpy, False);
x11_install_quit_atom();
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
glXGetConfig(g_x11_dpy, vi, GLX_DOUBLEBUFFER, &val);
x->g_is_double = val;
if (x->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");
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
gfx_ctx_x_swap_interval(data, x->g_interval);
/* This can blow up on some drivers.
* It's not fatal, so override errors for this call. */
old_handler = XSetErrorHandler(x_nul_handler);
XSetInputFocus(g_x11_dpy, g_x11_win, RevertToNone, CurrentTime);
XSync(g_x11_dpy, False);
XSetErrorHandler(old_handler);
XFree(vi);
vi = NULL;
if (!x11_input_ctx_new(true_full))
goto error;
return true;
error:
if (vi)
XFree(vi);
gfx_ctx_x_destroy_resources(x);
if (x)
free(x);
g_x11_screen = 0;
return false;
}
static void *gfx_ctx_x_init(void *data)
{
int nelements, major, minor;
#ifdef HAVE_OPENGL
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
};
GLXFBConfig *fbcs = NULL;
#endif
gfx_ctx_x_data_t *x = (gfx_ctx_x_data_t*)
calloc(1, sizeof(gfx_ctx_x_data_t));
#ifndef GL_DEBUG
struct retro_hw_render_callback *hwr = NULL;
video_driver_ctl(RARCH_DISPLAY_CTL_HW_CONTEXT_GET, &hwr);
#endif
if (!x)
return NULL;
XInitThreads();
if (!x11_connect())
goto error;
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
glXQueryVersion(g_x11_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
x->g_debug = true;
#else
x->g_debug = hwr->debug_context;
#endif
/* Have to use ContextAttribs */
#ifdef HAVE_OPENGLES2
x->g_core_es = true;
x->g_core_es_core = true;
#else
x->g_core_es = (g_major * 1000 + g_minor) >= 3001;
x->g_core_es_core = (g_major * 1000 + g_minor) >= 3002;
#endif
if ((x->g_core_es || x->g_debug) && !glx_create_context_attribs)
goto error;
fbcs = glXChooseFBConfig(g_x11_dpy, DefaultScreen(g_x11_dpy),
visual_attribs, &nelements);
if (!fbcs)
goto error;
if (!nelements)
{
XFree(fbcs);
goto error;
}
x->g_fbc = fbcs[0];
XFree(fbcs);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
/* Use XCB WSI since it's the most supported WSI over legacy Xlib. */
if (!vulkan_context_init(&x->vk, VULKAN_WSI_XCB))
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
return x;
error:
if (x)
{
gfx_ctx_x_destroy_resources(x);
free(x);
}
g_x11_screen = 0;
return NULL;
}
static bool gfx_ctx_x_set_video_mode(void *data,
video_frame_info_t *video_info,
unsigned width, unsigned height,
bool fullscreen)
{
XEvent event;
bool true_full = false;
bool windowed_full = false;
int val = 0;
int x_off = 0;
int y_off = 0;
XVisualInfo *vi = NULL;
XSetWindowAttributes swa = {0};
char *wm_name = NULL;
int (*old_handler)(Display*, XErrorEvent*) = NULL;
gfx_ctx_x_data_t *x = (gfx_ctx_x_data_t*)data;
Atom net_wm_icon = XInternAtom(g_x11_dpy, "_NET_WM_ICON", False);
Atom cardinal = XInternAtom(g_x11_dpy, "CARDINAL", False);
settings_t *settings = config_get_ptr();
unsigned opacity = settings->uints.video_window_opacity * ((unsigned)-1 / 100.0);
frontend_driver_install_signal_handler();
if (!x)
return false;
windowed_full = video_info->windowed_fullscreen;
true_full = false;
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
vi = glXGetVisualFromFBConfig(g_x11_dpy, x->g_fbc);
if (!vi)
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
{
XVisualInfo vi_template;
/* For default case, just try to obtain a visual from template. */
int nvisuals = 0;
memset(&vi_template, 0, sizeof(vi_template));
vi_template.screen = DefaultScreen(g_x11_dpy);
vi = XGetVisualInfo(g_x11_dpy, VisualScreenMask, &vi_template, &nvisuals);
if (!vi || nvisuals < 1)
goto error;
}
break;
}
swa.colormap = g_x11_cmap = XCreateColormap(g_x11_dpy,
RootWindow(g_x11_dpy, vi->screen), vi->visual, AllocNone);
swa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
LeaveWindowMask | EnterWindowMask |
ButtonReleaseMask | ButtonPressMask;
swa.override_redirect = False;
if (fullscreen && !windowed_full)
{
if (x11_enter_fullscreen(video_info, g_x11_dpy, width, height))
{
x->g_should_reset_mode = true;
true_full = true;
}
else
RARCH_ERR("[GLX]: Entering true fullscreen failed. Will attempt windowed mode.\n");
}
wm_name = x11_get_wm_name(g_x11_dpy);
if (wm_name)
{
RARCH_LOG("[GLX]: Window manager is %s.\n", wm_name);
if (true_full && strcasestr(wm_name, "xfwm"))
{
RARCH_LOG("[GLX]: Using override-redirect workaround.\n");
swa.override_redirect = True;
}
free(wm_name);
}
if (!x11_has_net_wm_fullscreen(g_x11_dpy) && true_full)
swa.override_redirect = True;
if (video_info->monitor_index)
g_x11_screen = video_info->monitor_index - 1;
#ifdef HAVE_XINERAMA
if (fullscreen || g_x11_screen != 0)
{
unsigned new_width = width;
unsigned new_height = height;
if (xinerama_get_coord(g_x11_dpy, g_x11_screen,
&x_off, &y_off, &new_width, &new_height))
RARCH_LOG("[GLX]: Using Xinerama on screen #%u.\n", g_x11_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);
g_x11_win = XCreateWindow(g_x11_dpy, RootWindow(g_x11_dpy, vi->screen),
x_off, y_off, width, height, 0,
vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect,
&swa);
XSetWindowBackground(g_x11_dpy, g_x11_win, 0);
XChangeProperty(g_x11_dpy, g_x11_win, net_wm_icon, cardinal, 32, PropModeReplace, (const unsigned char*)retroarch_icon_data, sizeof(retroarch_icon_data) / sizeof(*retroarch_icon_data));
if (fullscreen && settings->bools.video_disable_composition)
{
uint32_t value = 1;
Atom net_wm_bypass_compositor = XInternAtom(g_x11_dpy, "_NET_WM_BYPASS_COMPOSITOR", False);
RARCH_LOG("[GLX]: Requesting compositor bypass.\n");
XChangeProperty(g_x11_dpy, g_x11_win, net_wm_bypass_compositor, cardinal, 32, PropModeReplace, (const unsigned char*)&value, 1);
}
if (opacity < (unsigned)-1)
{
Atom net_wm_opacity = XInternAtom(g_x11_dpy, "_NET_WM_WINDOW_OPACITY", False);
XChangeProperty(g_x11_dpy, g_x11_win, net_wm_opacity, cardinal, 32, PropModeReplace, (const unsigned char*)&opacity, 1);
}
if (!settings->bools.video_window_show_decorations)
{
/* We could have just set _NET_WM_WINDOW_TYPE_DOCK instead, but that removes the window from any taskbar/panel,
* so we are forced to use the old motif hints method. */
Hints hints;
Atom property = XInternAtom(g_x11_dpy, "_MOTIF_WM_HINTS", False);
hints.flags = 2;
hints.decorations = 0;
XChangeProperty(g_x11_dpy, g_x11_win, property, property, 32, PropModeReplace, (const unsigned char*)&hints, 5);
}
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
x->g_glx_win = glXCreateWindow(g_x11_dpy, x->g_fbc, g_x11_win, 0);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
x11_set_window_attr(g_x11_dpy, g_x11_win);
x11_update_title(NULL, video_info);
if (fullscreen)
x11_show_mouse(g_x11_dpy, g_x11_win, false);
if (true_full)
{
RARCH_LOG("[GLX]: Using true fullscreen.\n");
XMapRaised(g_x11_dpy, g_x11_win);
x11_set_net_wm_fullscreen(g_x11_dpy, g_x11_win);
}
else if (fullscreen)
{
/* We attempted true fullscreen, but failed.
* Attempt using windowed fullscreen. */
XMapRaised(g_x11_dpy, g_x11_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(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
x11_set_net_wm_fullscreen(g_x11_dpy, g_x11_win);
}
else
{
XMapWindow(g_x11_dpy, g_x11_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 (g_x11_screen)
x11_move_window(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
}
x11_event_queue_check(&event);
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
if (!x->g_ctx)
{
if (x->g_core_es || x->g_debug)
{
int attribs[16];
int *aptr = attribs;
if (x->g_core_es)
{
*aptr++ = GLX_CONTEXT_MAJOR_VERSION_ARB;
*aptr++ = g_major;
*aptr++ = GLX_CONTEXT_MINOR_VERSION_ARB;
*aptr++ = g_minor;
if (x->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 (x->g_debug)
{
*aptr++ = GLX_CONTEXT_FLAGS_ARB;
*aptr++ = GLX_CONTEXT_DEBUG_BIT_ARB;
}
*aptr = None;
x->g_ctx = glx_create_context_attribs(g_x11_dpy,
x->g_fbc, NULL, True, attribs);
if (x->g_use_hw_ctx)
{
RARCH_LOG("[GLX]: Creating shared HW context.\n");
x->g_hw_ctx = glx_create_context_attribs(g_x11_dpy,
x->g_fbc, x->g_ctx, True, attribs);
if (!x->g_hw_ctx)
RARCH_ERR("[GLX]: Failed to create new shared context.\n");
}
}
else
{
x->g_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
GLX_RGBA_TYPE, 0, True);
if (x->g_use_hw_ctx)
{
x->g_hw_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
GLX_RGBA_TYPE, x->g_ctx, True);
if (!x->g_hw_ctx)
RARCH_ERR("[GLX]: Failed to create new shared context.\n");
}
}
if (!x->g_ctx)
{
RARCH_ERR("[GLX]: Failed to create new context.\n");
goto error;
}
}
else
{
video_driver_set_video_cache_context_ack();
RARCH_LOG("[GLX]: Using cached GL context.\n");
}
glXMakeContextCurrent(g_x11_dpy,
x->g_glx_win, x->g_glx_win, x->g_ctx);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
{
bool quit, resize;
bool shutdown = false;
unsigned width = 0, height = 0;
x11_check_window(x, &quit, &resize, &width, &height,
shutdown);
/* FIXME/TODO - threading error here */
/* Use XCB surface since it's the most supported WSI.
* We can obtain the XCB connection directly from X11. */
if (!vulkan_surface_create(&x->vk, VULKAN_WSI_XCB,
g_x11_dpy, &g_x11_win,
width, height, x->g_interval))
goto error;
}
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
XSync(g_x11_dpy, False);
x11_install_quit_atom();
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
glXGetConfig(g_x11_dpy, vi, GLX_DOUBLEBUFFER, &val);
x->g_is_double = val;
if (x->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");
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
gfx_ctx_x_swap_interval(data, x->g_interval);
/* This can blow up on some drivers.
* It's not fatal, so override errors for this call. */
old_handler = XSetErrorHandler(x_nul_handler);
XSetInputFocus(g_x11_dpy, g_x11_win, RevertToNone, CurrentTime);
XSync(g_x11_dpy, False);
XSetErrorHandler(old_handler);
XFree(vi);
vi = NULL;
if (!x11_input_ctx_new(true_full))
goto error;
return true;
error:
if (vi)
XFree(vi);
gfx_ctx_x_destroy_resources(x);
if (x)
free(x);
g_x11_screen = 0;
return false;
}
static void *gfx_ctx_x_init(video_frame_info_t *video_info, void *data)
{
int nelements = 0;
int major = 0;
int minor = 0;
#ifdef HAVE_OPENGL
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,
GLX_SAMPLE_BUFFERS , 0,
GLX_SAMPLES , 0,
None
};
GLXFBConfig *fbcs = NULL;
#endif
gfx_ctx_x_data_t *x = (gfx_ctx_x_data_t*)
calloc(1, sizeof(gfx_ctx_x_data_t));
#ifndef GL_DEBUG
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
#endif
if (!x)
return NULL;
current_context_data = x;
XInitThreads();
if (!x11_connect())
goto error;
switch (x_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
glXQueryVersion(g_x11_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
x->g_debug = true;
#else
x->g_debug = hwr->debug_context;
#endif
/* Have to use ContextAttribs */
#ifdef HAVE_OPENGLES2
x->g_core_es = true;
x->g_core_es_core = true;
#else
x->g_core_es = (g_major * 1000 + g_minor) >= 3001;
x->g_core_es_core = (g_major * 1000 + g_minor) >= 3002;
#endif
if ((x->g_core_es || x->g_debug) && !glx_create_context_attribs)
goto error;
fbcs = glXChooseFBConfig(g_x11_dpy, DefaultScreen(g_x11_dpy),
visual_attribs, &nelements);
if (!fbcs)
goto error;
if (!nelements)
{
XFree(fbcs);
goto error;
}
x->g_fbc = fbcs[0];
XFree(fbcs);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
/* Use XCB WSI since it's the most supported WSI over legacy Xlib. */
if (!vulkan_context_init(&x->vk, VULKAN_WSI_XCB))
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
switch (x_api)
{
case GFX_CTX_OPENGL_API:
#ifdef HAVE_OPENGL
if (GLXExtensionSupported(g_x11_dpy, "GLX_EXT_swap_control_tear"))
{
RARCH_LOG("[GLX]: GLX_EXT_swap_control_tear supported.\n");
x_adaptive_vsync = true;
}
if (GLXExtensionSupported(g_x11_dpy, "GLX_OML_sync_control") &&
GLXExtensionSupported(g_x11_dpy, "GLX_MESA_swap_control")
)
{
RARCH_LOG("[GLX]: GLX_OML_sync_control and GLX_MESA_swap_control supported, using better swap control method...\n");
x->swap_mode = 1;
glXGetSyncValuesOML = (GLXGETSYNCVALUESOMLPROC)glXGetProcAddress((unsigned char *)"glXGetSyncValuesOML");
glXGetMscRateOML = (GLXGETMSCRATEOMLPROC)glXGetProcAddress((unsigned char *)"glXGetMscRateOML");
glXSwapBuffersMscOML = (GLXSWAPBUFFERSMSCOMLPROC)glXGetProcAddress((unsigned char *)"glXSwapBuffersMscOML");
glXWaitForMscOML = (GLXWAITFORMSCOMLPROC)glXGetProcAddress((unsigned char *)"glXWaitForMscOML");
glXWaitForSbcOML = (GLXWAITFORSBCOMLPROC)glXGetProcAddress((unsigned char *)"glXWaitForSbcOML");
glXGetSyncValuesOML(g_x11_dpy, g_x11_win, &x->ust, &x->msc, &x->sbc);
#if 0
RARCH_LOG("[GLX]: UST: %d, MSC: %d, SBC: %d\n", x->ust, x->msc, x->sbc);
#endif
}
#endif
break;
default:
break;
}
return x;
error:
if (x)
{
gfx_ctx_x_destroy_resources(x);
free(x);
}
g_x11_screen = 0;
return NULL;
}
