コード例 #1
0
void gs_swapchain_destroy(gs_swapchain_t swapchain)
{
	if (!swapchain)
		return;

	if (swapchain->device->cur_swap == swapchain)
		device_load_swapchain(swapchain->device, NULL);

	gl_platform_cleanup_swapchain(swapchain);

	gl_windowinfo_destroy(swapchain->wi);
	bfree(swapchain);
}
コード例 #2
0
ファイル: gl-x11.c プロジェクト: MoFoZzz/obs-studio
void gl_platform_destroy(struct gl_platform *platform)
{
	if (!platform)
		return;

	Display *dpy = platform->swap.wi->display;

	glXMakeCurrent(dpy, None, NULL);
	glXDestroyContext(dpy, platform->context);
	gl_windowinfo_destroy(platform->swap.wi);
	gl_platform_cleanup_swapchain(&platform->swap);
	bfree(platform);
}
コード例 #3
0
ファイル: gl-x11.c プロジェクト: MoFoZzz/obs-studio
bool gl_platform_init_swapchain(struct gs_swap_chain *swap)
{
	Display *display = swap->wi->display;
	struct gl_windowinfo *info = swap->wi;
	struct gl_platform *plat = swap->device->plat;
	XVisualInfo *vi = 0;
	Colormap cmap = 0;
	XSetWindowAttributes swa;
	XWindowAttributes attrs;

	XErrorHandler phandler = XSetErrorHandler(err_handler);

	gl_platform_cleanup_swapchain(swap);

	if (!XGetWindowAttributes(display, info->id, &attrs)) {
		blog(LOG_ERROR, "Failed getting window attributes");
		goto fail;
	}

	vi = glXGetVisualFromFBConfig(display, plat->fbcfg);

	if (handle_x_error(display, "Failed to get visual from fb config."))
		goto fail;

	cmap = XCreateColormap(display, info->id, vi->visual, AllocNone);

	if (handle_x_error(display, "Failed creating colormap"))
		goto fail;

	swa.colormap = cmap;
	swa.border_pixel = 0;

	info->int_id = XCreateWindow(display, info->id, 0, 0,
	                             attrs.width, attrs.height,
	                             0, 24, InputOutput, vi->visual,
	                             CWBorderPixel|CWColormap, &swa);
	XMapWindow(display, info->int_id);

	if (handle_x_error(display, "Failed creating intermediate X window"))
		goto fail;

	info->glxid = glXCreateWindow(display, plat->fbcfg, info->int_id, 0);

	if (handle_x_error(display, "Failed creating intermediate GLX window"))
		goto fail;

	XFreeColormap(display, cmap);
	XFree(vi);

	return true;

fail:

	gl_platform_cleanup_swapchain(swap);

	if (cmap)
		XFreeColormap(display, cmap);

	if (vi)
		XFree(vi);

	XSetErrorHandler(phandler);

	return false;
}
コード例 #4
0
ファイル: gl-x11.c プロジェクト: MoFoZzz/obs-studio
struct gl_platform *gl_platform_create(device_t device,
		struct gs_init_data *info)
{
	int num_configs = 0;
	int error_base = 0, event_base = 0;
	Display *display = info->window.display;
	struct gl_platform *plat = bzalloc(sizeof(struct gl_platform));
	GLXFBConfig* configs;
	XWindowAttributes attrs;
	int screen;
	int major = 0, minor = 0;

	print_info_stuff(info);

	if (!display) {
		blog(LOG_ERROR, "Unable to find display. DISPLAY variable "
		                "may not be set correctly.");
		goto fail0;
	}

	if (!XGetWindowAttributes(display, info->window.id, &attrs)) {
		blog(LOG_ERROR, "Failed getting window attributes");
		goto fail0;
	}

	screen = XScreenNumberOfScreen(attrs.screen);

	if (!gladLoadGLX(display, screen)) {
		blog(LOG_ERROR, "Unable to load GLX entry functions.");
		goto fail0;
	}

	if (!glXQueryExtension(display, &error_base, &event_base)) {
		blog(LOG_ERROR, "GLX not supported.");
		goto fail0;
	}

	/* We require glX version 1.3 */

	glXQueryVersion(display, &major, &minor);
	if (major < 1 || (major == 1 && minor < 3)) {
		blog(LOG_ERROR, "GLX version found: %i.%i\nRequired: "
				"1.3", major, minor);
		goto fail0;
	}

	if (!GLAD_GLX_ARB_create_context) {
		blog(LOG_ERROR, "ARB_GLX_create_context not supported!");
		goto fail0;
	}

	configs = glXChooseFBConfig(display, screen,
			fb_attribs, &num_configs);

	if (!configs) {
		blog(LOG_ERROR, "Attribute list or screen is invalid.");
		goto fail0;
	}

	if (num_configs == 0) {
		XFree(configs);
		blog(LOG_ERROR, "No framebuffer configurations found.");
		goto fail0;
	}

	plat->fbcfg = configs[0];

	XFree(configs);

	handle_x_error(display, NULL);

	/* We just use the first configuration found... as it does everything
	 * we want at the very least. */
	plat->context = glXCreateContextAttribsARB(display, plat->fbcfg, NULL,
			true, ctx_attribs);
	if (!plat->context) {
		blog(LOG_ERROR, "Failed to create OpenGL context.");
		goto fail0;
	}

	if (handle_x_error(display, "Failed to create OpenGL context."))
		goto fail2;

	device->plat = plat;

	plat->swap.device               = device;
	plat->swap.info.window.id       = info->window.id;
	plat->swap.info.window.display  = display;
	plat->swap.info.format          = GS_RGBA;
	plat->swap.info.zsformat        = GS_Z24_S8;
	plat->swap.info.num_backbuffers = 1;
	plat->swap.info.adapter         = info->adapter;
	plat->swap.info.cx              = attrs.width;
	plat->swap.info.cy              = attrs.height;
	plat->swap.wi                   = gl_windowinfo_create(info);

	if (!gl_platform_init_swapchain(&plat->swap))
		goto fail2;

	if (!glXMakeCurrent(display, plat->swap.wi->glxid, plat->context)) {
		blog(LOG_ERROR, "Failed to make context current.");
		goto fail2;
	}

	if (!gladLoadGL()) {
		blog(LOG_ERROR, "Failed to load OpenGL entry functions.");
		goto fail2;
	}

	blog(LOG_INFO, "OpenGL version: %s\n", glGetString(GL_VERSION));

	/* We assume later that cur_swap is already set. */
	device->cur_swap = &plat->swap;

	XSync(display, false);

	blog(LOG_INFO, "Created new platform data");

	return plat;

fail2:
	glXMakeCurrent(display, None, NULL);
	glXDestroyContext(display, plat->context);

	gl_platform_cleanup_swapchain(&plat->swap);

fail0:
	bfree(plat);
	device->plat = 0;

	return NULL;
}