static GstVaapiDisplay *
gst_vaapi_create_display_from_egl (GstGLDisplay * gl_display,
GstGLContext * gl_context, GstVaapiDisplayType display_type,
gpointer native_display)
{
GstVaapiDisplay *display = NULL;
#if USE_EGL
GstGLAPI gl_api;
gint gles_version;
guintptr egl_handler;
gl_api = gst_gl_context_get_gl_api (gl_context);
gles_version = gst_vaapi_get_gles_version_from_gl_api (gl_api);
if (gles_version == -1)
return NULL;
egl_handler = gst_vaapi_get_egl_handle_from_gl_display (gl_display);
if (egl_handler != 0) {
gpointer native_display_egl = GSIZE_TO_POINTER (egl_handler);
display = gst_vaapi_display_egl_new_with_native_display (native_display_egl,
display_type, gles_version);
}
if (!display) {
GstVaapiDisplay *wrapped_display;
wrapped_display =
gst_vaapi_create_display_from_handle (display_type, native_display);
if (wrapped_display) {
display = gst_vaapi_display_egl_new (wrapped_display, gles_version);
gst_object_unref (wrapped_display);
}
}
if (display) {
gst_vaapi_display_egl_set_gl_context (GST_VAAPI_DISPLAY_EGL (display),
GSIZE_TO_POINTER (gst_gl_context_get_gl_context (gl_context)));
}
#endif
return display;
}
static gboolean
gst_glimage_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
{
GstGLImageSink *glimage_sink = GST_GLIMAGE_SINK (bsink);
GstBufferPool *pool;
GstStructure *config;
GstCaps *caps;
guint size;
gboolean need_pool;
GstStructure *gl_context;
gchar *platform, *gl_apis;
gpointer handle;
if (!_ensure_gl_setup (glimage_sink))
return FALSE;
gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL)
goto no_caps;
if ((pool = glimage_sink->pool))
gst_object_ref (pool);
if (pool != NULL) {
GstCaps *pcaps;
/* we had a pool, check caps */
GST_DEBUG_OBJECT (glimage_sink, "check existing pool caps");
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL);
if (!gst_caps_is_equal (caps, pcaps)) {
GST_DEBUG_OBJECT (glimage_sink, "pool has different caps");
/* different caps, we can't use this pool */
gst_object_unref (pool);
pool = NULL;
}
gst_structure_free (config);
}
if (pool == NULL && need_pool) {
GstVideoInfo info;
if (!gst_video_info_from_caps (&info, caps))
goto invalid_caps;
GST_DEBUG_OBJECT (glimage_sink, "create new pool");
pool = gst_gl_buffer_pool_new (glimage_sink->context);
/* the normal size of a frame */
size = info.size;
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
if (!gst_buffer_pool_set_config (pool, config))
goto config_failed;
}
/* we need at least 2 buffer because we hold on to the last one */
gst_query_add_allocation_pool (query, pool, size, 2, 0);
/* we also support various metadata */
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, 0);
gst_object_unref (pool);
gl_apis =
gst_gl_api_to_string (gst_gl_context_get_gl_api (glimage_sink->context));
platform =
gst_gl_platform_to_string (gst_gl_context_get_gl_platform
(glimage_sink->context));
handle = (gpointer) gst_gl_context_get_gl_context (glimage_sink->context);
gl_context =
gst_structure_new ("GstVideoGLTextureUploadMeta", "gst.gl.GstGLContext",
GST_GL_TYPE_CONTEXT, glimage_sink->context, "gst.gl.context.handle",
G_TYPE_POINTER, handle, "gst.gl.context.type", G_TYPE_STRING, platform,
"gst.gl.context.apis", G_TYPE_STRING, gl_apis, NULL);
gst_query_add_allocation_meta (query,
GST_VIDEO_GL_TEXTURE_UPLOAD_META_API_TYPE, gl_context);
g_free (gl_apis);
g_free (platform);
gst_structure_free (gl_context);
return TRUE;
/* ERRORS */
no_caps:
{
GST_DEBUG_OBJECT (bsink, "no caps specified");
return FALSE;
}
invalid_caps:
{
GST_DEBUG_OBJECT (bsink, "invalid caps specified");
return FALSE;
}
config_failed:
{
GST_DEBUG_OBJECT (bsink, "failed setting config");
return FALSE;
}
}
static gboolean
gst_gl_context_glx_create_context (GstGLContext * context,
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
{
GstGLContextGLX *context_glx;
GstGLWindow *window;
GstGLWindowX11 *window_x11;
GstGLDisplay *display;
gboolean create_context;
const char *glx_exts;
int x_error;
Display *device;
guintptr external_gl_context = 0;
context_glx = GST_GL_CONTEXT_GLX (context);
window = gst_gl_context_get_window (context);
window_x11 = GST_GL_WINDOW_X11 (window);
display = gst_gl_context_get_display (context);
if (other_context) {
if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_GLX) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Cannot share context with non-GLX context");
goto failure;
}
external_gl_context = gst_gl_context_get_gl_context (other_context);
}
device = (Display *) gst_gl_display_get_handle (display);
glx_exts = glXQueryExtensionsString (device, DefaultScreen (device));
create_context = gst_gl_check_extension ("GLX_ARB_create_context", glx_exts);
context_glx->priv->glXCreateContextAttribsARB =
(gpointer) glXGetProcAddressARB ((const GLubyte *)
"glXCreateContextAttribsARB");
if (create_context && context_glx->priv->glXCreateContextAttribsARB) {
int context_attribs_3[] = {
GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
GLX_CONTEXT_MINOR_VERSION_ARB, 0,
//GLX_CONTEXT_FLAGS_ARB , GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
#if !defined(GST_DISABLE_GST_DEBUG)
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB,
#endif
None
};
int context_attribs_pre_3[] = {
GLX_CONTEXT_MAJOR_VERSION_ARB, 1,
GLX_CONTEXT_MINOR_VERSION_ARB, 4,
None
};
gst_gl_window_x11_trap_x_errors ();
context_glx->glx_context =
context_glx->priv->glXCreateContextAttribsARB (device,
context_glx->priv->fbconfigs[0], (GLXContext) external_gl_context, True,
context_attribs_3);
x_error = gst_gl_window_x11_untrap_x_errors ();
context_glx->priv->context_api = GST_GL_API_OPENGL;
if (!context_glx->glx_context || x_error != 0) {
GST_DEBUG ("Failed to create an Opengl 3 context. trying a legacy one");
gst_gl_window_x11_trap_x_errors ();
context_glx->glx_context =
context_glx->priv->glXCreateContextAttribsARB (device,
context_glx->priv->fbconfigs[0], (GLXContext) external_gl_context,
True, context_attribs_pre_3);
x_error = gst_gl_window_x11_untrap_x_errors ();
if (x_error != 0)
context_glx->glx_context = NULL;
context_glx->priv->context_api = GST_GL_API_OPENGL;
}
} else {
context_glx->glx_context =
glXCreateContext (device, window_x11->visual_info,
(GLXContext) external_gl_context, TRUE);
context_glx->priv->context_api = GST_GL_API_OPENGL;
}
if (context_glx->priv->fbconfigs)
XFree (context_glx->priv->fbconfigs);
if (!context_glx->glx_context) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT, "Failed to create opengl context");
goto failure;
}
GST_LOG ("gl context id: %ld", (gulong) context_glx->glx_context);
gst_object_unref (window);
gst_object_unref (display);
return TRUE;
failure:
if (window)
gst_object_unref (window);
gst_object_unref (display);
return FALSE;
}
static gboolean
gst_gl_context_egl_create_context (GstGLContext * context,
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
{
GstGLContextEGL *egl;
GstGLWindow *window = NULL;
EGLNativeWindowType window_handle = (EGLNativeWindowType) 0;
gint i = 0;
EGLint context_attrib[5];
EGLint majorVersion;
EGLint minorVersion;
const gchar *egl_exts;
gboolean need_surface = TRUE;
guintptr external_gl_context = 0;
GstGLDisplay *display;
egl = GST_GL_CONTEXT_EGL (context);
window = gst_gl_context_get_window (context);
if (other_context) {
if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_EGL) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Cannot share context with non-EGL context");
goto failure;
}
external_gl_context = gst_gl_context_get_gl_context (other_context);
}
if ((gl_api & (GST_GL_API_OPENGL | GST_GL_API_GLES2)) == GST_GL_API_NONE) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_API,
"EGL supports opengl or gles2");
goto failure;
}
display = gst_gl_context_get_display (context);
if (display->type == GST_GL_DISPLAY_TYPE_EGL) {
egl->egl_display = (EGLDisplay) gst_gl_display_get_handle (display);
} else {
guintptr native_display = gst_gl_display_get_handle (display);
if (!native_display) {
GstGLWindow *window = NULL;
GST_WARNING ("Failed to get a global display handle, falling back to "
"per-window display handles. Context sharing may not work");
if (other_context)
window = gst_gl_context_get_window (other_context);
if (!window)
window = gst_gl_context_get_window (context);
if (window) {
native_display = gst_gl_window_get_display (window);
gst_object_unref (window);
}
}
egl->egl_display = eglGetDisplay ((EGLNativeDisplayType) native_display);
}
gst_object_unref (display);
if (eglInitialize (egl->egl_display, &majorVersion, &minorVersion)) {
GST_INFO ("egl initialized, version: %d.%d", majorVersion, minorVersion);
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE,
"Failed to initialize egl: %s", gst_gl_context_egl_get_error_string ());
goto failure;
}
if (gl_api & GST_GL_API_OPENGL) {
/* egl + opengl only available with EGL 1.4+ */
if (majorVersion == 1 && minorVersion <= 3) {
if ((gl_api & ~GST_GL_API_OPENGL) == GST_GL_API_NONE) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_OLD_LIBS,
"EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
majorVersion, minorVersion);
goto failure;
} else {
GST_WARNING
("EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
majorVersion, minorVersion);
if (gl_api & GST_GL_API_GLES2) {
goto try_gles2;
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Failed to choose a suitable OpenGL API");
goto failure;
}
}
}
if (!eglBindAPI (EGL_OPENGL_API)) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to bind OpenGL API: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
GST_INFO ("Using OpenGL");
egl->gl_api = GST_GL_API_OPENGL;
} else if (gl_api & GST_GL_API_GLES2) {
try_gles2:
if (!eglBindAPI (EGL_OPENGL_ES_API)) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to bind OpenGL|ES API: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
GST_INFO ("Using OpenGL|ES 2.0");
egl->gl_api = GST_GL_API_GLES2;
}
if (!gst_gl_context_egl_choose_config (egl, other_context, error)) {
g_assert (error == NULL || *error != NULL);
goto failure;
}
egl_exts = eglQueryString (egl->egl_display, EGL_EXTENSIONS);
GST_DEBUG ("about to create gl context\n");
if (egl->gl_api & GST_GL_API_GLES2) {
context_attrib[i++] = EGL_CONTEXT_CLIENT_VERSION;
context_attrib[i++] = 2;
}
#if !defined(GST_DISABLE_GST_DEBUG) && defined(EGL_KHR_create_context)
if (gst_gl_check_extension ("EGL_KHR_create_context", egl_exts)) {
context_attrib[i++] = EGL_CONTEXT_FLAGS_KHR;
context_attrib[i++] = EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
}
#endif
context_attrib[i++] = EGL_NONE;
egl->egl_context =
eglCreateContext (egl->egl_display, egl->egl_config,
(EGLContext) external_gl_context, context_attrib);
#ifdef EGL_KHR_create_context
if (egl->egl_context == EGL_NO_CONTEXT && egl->gl_api & GST_GL_API_GLES2
&& eglGetError () != EGL_SUCCESS) {
/* try without EGL_CONTEXT_FLAGS flags as it was added to
* EGL_KHR_create_context for gles contexts */
int i;
for (i = 0; i < G_N_ELEMENTS (context_attrib); i++) {
if (context_attrib[i] == EGL_CONTEXT_FLAGS_KHR ||
context_attrib[i] == EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR)
context_attrib[i] = EGL_NONE;
}
egl->egl_context =
eglCreateContext (egl->egl_display, egl->egl_config,
(EGLContext) external_gl_context, context_attrib);
}
#endif
if (egl->egl_context != EGL_NO_CONTEXT) {
GST_INFO ("gl context created: %" G_GUINTPTR_FORMAT,
(guintptr) egl->egl_context);
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT,
"Failed to create a OpenGL context: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
if (other_context == NULL) {
/* FIXME do we want a window vfunc ? */
#if GST_GL_HAVE_WINDOW_X11
if (GST_GL_IS_WINDOW_X11 (context->window)) {
gst_gl_window_x11_create_window ((GstGLWindowX11 *) context->window);
}
#endif
#if GST_GL_HAVE_WINDOW_WIN32
if (GST_GL_IS_WINDOW_WIN32 (context->window)) {
gst_gl_window_win32_create_window ((GstGLWindowWin32 *) context->window);
}
#endif
}
if (window)
window_handle =
(EGLNativeWindowType) gst_gl_window_get_window_handle (window);
if (window_handle) {
egl->egl_surface =
eglCreateWindowSurface (egl->egl_display, egl->egl_config,
window_handle, NULL);
} else if (!gst_gl_check_extension ("EGL_KHR_surfaceless_context", egl_exts)) {
EGLint surface_attrib[7];
gint j = 0;
/* FIXME: Width/height doesn't seem to matter but we can't leave them
* at 0, otherwise X11 complains about BadValue */
surface_attrib[j++] = EGL_WIDTH;
surface_attrib[j++] = 1;
surface_attrib[j++] = EGL_HEIGHT;
surface_attrib[j++] = 1;
surface_attrib[j++] = EGL_LARGEST_PBUFFER;
surface_attrib[j++] = EGL_TRUE;
surface_attrib[j++] = EGL_NONE;
egl->egl_surface =
eglCreatePbufferSurface (egl->egl_display, egl->egl_config,
surface_attrib);
} else {
egl->egl_surface = EGL_NO_SURFACE;
need_surface = FALSE;
}
if (need_surface) {
if (egl->egl_surface != EGL_NO_SURFACE) {
GST_INFO ("surface created");
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to create window surface: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
}
/* EGLImage functions */
if (GST_GL_CHECK_GL_VERSION (majorVersion, minorVersion, 1, 5)) {
egl->eglCreateImage = gst_gl_context_get_proc_address (context,
"eglCreateImage");
egl->eglDestroyImage = gst_gl_context_get_proc_address (context,
"eglDestroyImage");
} else if (gst_gl_check_extension ("EGL_KHR_image_base", egl_exts)) {
egl->eglCreateImage = gst_gl_context_get_proc_address (context,
"eglCreateImageKHR");
egl->eglDestroyImage = gst_gl_context_get_proc_address (context,
"eglDestroyImageKHR");
}
if (egl->eglCreateImage == NULL || egl->eglDestroyImage == NULL) {
egl->eglCreateImage = NULL;
egl->eglDestroyImage = NULL;
}
if (window)
gst_object_unref (window);
return TRUE;
failure:
if (window)
gst_object_unref (window);
return FALSE;
}
static gboolean
gst_gl_context_egl_create_context (GstGLContext * context,
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
{
GstGLContextEGL *egl;
GstGLWindow *window = NULL;
EGLNativeWindowType window_handle = (EGLNativeWindowType) 0;
EGLint egl_major;
EGLint egl_minor;
gboolean need_surface = TRUE;
guintptr external_gl_context = 0;
guintptr egl_display;
egl = GST_GL_CONTEXT_EGL (context);
window = gst_gl_context_get_window (context);
GST_DEBUG_OBJECT (context, "Creating EGL context");
if (other_context) {
if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_EGL) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Cannot share context with non-EGL context");
goto failure;
}
external_gl_context = gst_gl_context_get_gl_context (other_context);
}
if ((gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2)) ==
GST_GL_API_NONE) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_API,
"EGL supports opengl or gles2");
goto failure;
}
if (!egl->display_egl) {
GstGLDisplay *display = gst_gl_context_get_display (context);
egl->display_egl = gst_gl_display_egl_from_gl_display (display);
if (!egl->display_egl) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE,
"Failed to create EGLDisplay from native display");
goto failure;
}
gst_object_unref (display);
}
egl_display = gst_gl_display_get_handle (GST_GL_DISPLAY (egl->display_egl));
egl->egl_display = (EGLDisplay) egl_display;
if (eglInitialize (egl->egl_display, &egl_major, &egl_minor)) {
GST_INFO ("egl initialized, version: %d.%d", egl_major, egl_minor);
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE,
"Failed to initialize egl: %s",
gst_egl_get_error_string (eglGetError ()));
goto failure;
}
egl->egl_exts = eglQueryString (egl->egl_display, EGL_EXTENSIONS);
if (gl_api & (GST_GL_API_OPENGL | GST_GL_API_OPENGL3)) {
GstGLAPI chosen_gl_api = 0;
gint i;
/* egl + opengl only available with EGL 1.4+ */
if (egl_major == 1 && egl_minor <= 3) {
if ((gl_api & ~GST_GL_API_OPENGL) == GST_GL_API_NONE) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_OLD_LIBS,
"EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
egl_major, egl_minor);
goto failure;
} else {
GST_WARNING
("EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
egl_major, egl_minor);
if (gl_api & GST_GL_API_GLES2) {
goto try_gles2;
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Failed to choose a suitable OpenGL API");
goto failure;
}
}
}
if (!eglBindAPI (EGL_OPENGL_API)) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to bind OpenGL API: %s",
gst_egl_get_error_string (eglGetError ()));
goto failure;
}
GST_INFO ("Bound OpenGL");
/* api, version only matters for gles */
if (!gst_gl_context_egl_choose_config (egl, GST_GL_API_OPENGL, 0, error)) {
g_assert (error == NULL || *error != NULL);
goto failure;
}
for (i = 0; i < G_N_ELEMENTS (opengl_versions); i++) {
gint profileMask = 0;
gint contextFlags = 0;
if (GST_GL_CHECK_GL_VERSION (opengl_versions[i].major,
opengl_versions[i].minor, 3, 2)) {
/* skip gl3 contexts if requested */
if ((gl_api & GST_GL_API_OPENGL3) == 0)
continue;
chosen_gl_api = GST_GL_API_OPENGL3;
#if defined(EGL_KHR_create_context)
profileMask |= EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
contextFlags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
#endif
} else if (opengl_versions[i].major == 3 && opengl_versions[i].minor == 1) {
/* skip 3.1, the implementation is free to give us either a core or a
* compatibility context (we have no say) */
continue;
} else {
/* skip legacy contexts if requested */
if ((gl_api & GST_GL_API_OPENGL) == 0)
continue;
chosen_gl_api = GST_GL_API_OPENGL;
}
egl->egl_context =
_create_context_with_flags (egl, (EGLContext) external_gl_context,
chosen_gl_api, opengl_versions[i].major,
opengl_versions[i].minor, contextFlags, profileMask);
if (egl->egl_context)
break;
#if defined(EGL_KHR_create_context)
profileMask &= ~EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
egl->egl_context =
_create_context_with_flags (egl, (EGLContext) external_gl_context,
chosen_gl_api, opengl_versions[i].major,
opengl_versions[i].minor, contextFlags, profileMask);
if (egl->egl_context)
break;
#endif
}
egl->gl_api = chosen_gl_api;
} else if (gl_api & GST_GL_API_GLES2) {
gint i;
try_gles2:
if (!eglBindAPI (EGL_OPENGL_ES_API)) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to bind OpenGL|ES API: %s",
gst_egl_get_error_string (eglGetError ()));
goto failure;
}
GST_INFO ("Bound OpenGL|ES");
for (i = 0; i < G_N_ELEMENTS (gles2_versions); i++) {
gint profileMask = 0;
gint contextFlags = 0;
if (!gst_gl_context_egl_choose_config (egl, GST_GL_API_GLES2,
gles2_versions[i].major, error)) {
continue;
}
#if defined(EGL_KHR_create_context)
/* try a debug context */
contextFlags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
egl->egl_context =
_create_context_with_flags (egl, (EGLContext) external_gl_context,
GST_GL_API_GLES2, gles2_versions[i].major,
gles2_versions[i].minor, contextFlags, profileMask);
if (egl->egl_context)
break;
/* try without a debug context */
contextFlags &= ~EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
#endif
egl->egl_context =
_create_context_with_flags (egl, (EGLContext) external_gl_context,
GST_GL_API_GLES2, gles2_versions[i].major,
gles2_versions[i].minor, contextFlags, profileMask);
if (egl->egl_context)
break;
}
egl->gl_api = GST_GL_API_GLES2;
}
if (egl->egl_context != EGL_NO_CONTEXT) {
GST_INFO ("gl context created: %" G_GUINTPTR_FORMAT,
(guintptr) egl->egl_context);
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT,
"Failed to create a OpenGL context: %s",
gst_egl_get_error_string (eglGetError ()));
goto failure;
}
/* FIXME do we want a window vfunc ? */
#if GST_GL_HAVE_WINDOW_X11
if (GST_IS_GL_WINDOW_X11 (context->window)) {
gst_gl_window_x11_create_window ((GstGLWindowX11 *) context->window);
}
#endif
if (other_context == NULL) {
/* FIXME: fails to show two outputs at all. We need a property/option for
* glimagesink to say its a visible context */
#if GST_GL_HAVE_WINDOW_WAYLAND
if (GST_IS_GL_WINDOW_WAYLAND_EGL (context->window)) {
gst_gl_window_wayland_egl_create_window ((GstGLWindowWaylandEGL *)
context->window);
}
#endif
#if GST_GL_HAVE_WINDOW_WIN32
if (GST_IS_GL_WINDOW_WIN32 (context->window)) {
gst_gl_window_win32_create_window ((GstGLWindowWin32 *) context->window);
}
#endif
#if GST_GL_HAVE_WINDOW_DISPMANX
if (GST_IS_GL_WINDOW_DISPMANX_EGL (context->window)) {
gst_gl_window_dispmanx_egl_create_window ((GstGLWindowDispmanxEGL *)
context->window);
}
#endif
}
if (window)
window_handle =
(EGLNativeWindowType) gst_gl_window_get_window_handle (window);
if (window_handle) {
GST_DEBUG ("Creating EGLSurface from window_handle %p",
(void *) window_handle);
egl->egl_surface =
eglCreateWindowSurface (egl->egl_display, egl->egl_config,
window_handle, NULL);
/* Store window handle for later comparision */
egl->window_handle = window_handle;
} else if (!gst_gl_check_extension ("EGL_KHR_surfaceless_context",
egl->egl_exts)) {
EGLint surface_attrib[7];
gint j = 0;
GST_DEBUG ("Surfaceless context, creating PBufferSurface");
/* FIXME: Width/height doesn't seem to matter but we can't leave them
* at 0, otherwise X11 complains about BadValue */
surface_attrib[j++] = EGL_WIDTH;
surface_attrib[j++] = 1;
surface_attrib[j++] = EGL_HEIGHT;
surface_attrib[j++] = 1;
surface_attrib[j++] = EGL_LARGEST_PBUFFER;
surface_attrib[j++] = EGL_TRUE;
surface_attrib[j++] = EGL_NONE;
egl->egl_surface =
eglCreatePbufferSurface (egl->egl_display, egl->egl_config,
surface_attrib);
} else {
GST_DEBUG ("No surface/handle !");
egl->egl_surface = EGL_NO_SURFACE;
need_surface = FALSE;
}
if (need_surface) {
if (egl->egl_surface != EGL_NO_SURFACE) {
GST_INFO ("surface created");
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to create window surface: %s",
gst_egl_get_error_string (eglGetError ()));
goto failure;
}
}
egl->egl_major = egl_major;
egl->egl_minor = egl_minor;
if (window)
gst_object_unref (window);
return TRUE;
failure:
if (window)
gst_object_unref (window);
return FALSE;
}
static gboolean
gst_gl_context_wgl_create_context (GstGLContext * context,
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
{
GstGLWindow *window;
GstGLContextWGL *context_wgl;
HGLRC external_gl_context = NULL;
HGLRC trampoline;
HDC device;
context_wgl = GST_GL_CONTEXT_WGL (context);
window = gst_gl_context_get_window (context);
device = (HDC) gst_gl_window_get_display (window);
if (other_context) {
if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_WGL) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Cannot share context with a non-WGL context");
goto failure;
}
external_gl_context = (HGLRC) gst_gl_context_get_gl_context (other_context);
}
trampoline = wglCreateContext (device);
if (trampoline)
GST_DEBUG ("gl context created: %" G_GUINTPTR_FORMAT,
(guintptr) trampoline);
else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT, "failed to create glcontext:0x%x",
(unsigned int) GetLastError ());
goto failure;
}
g_assert (trampoline);
/* get extension functions */
wglMakeCurrent (device, trampoline);
context_wgl->priv->wglCreateContextAttribsARB =
(PFNWGLCREATECONTEXTATTRIBSARBPROC)
wglGetProcAddress ("wglCreateContextAttribsARB");
wglMakeCurrent (device, 0);
wglDeleteContext (trampoline);
trampoline = NULL;
if (context_wgl->priv->wglCreateContextAttribsARB != NULL
&& gl_api & GST_GL_API_OPENGL3) {
gint i;
for (i = 0; i < G_N_ELEMENTS (opengl_versions); i++) {
gint profileMask = 0;
gint contextFlags = 0;
if ((opengl_versions[i].major > 3
|| (opengl_versions[i].major == 3
&& opengl_versions[i].minor >= 2))) {
profileMask |= WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
contextFlags |= WGL_CONTEXT_DEBUG_BIT_ARB;
} else {
break;
}
GST_DEBUG_OBJECT (context, "trying to create a GL %d.%d context",
opengl_versions[i].major, opengl_versions[i].minor);
context_wgl->wgl_context = _create_context_with_flags (context_wgl,
device, external_gl_context, opengl_versions[i].major,
opengl_versions[i].minor, contextFlags, profileMask);
if (context_wgl->wgl_context) {
context_wgl->priv->context_api = GST_GL_API_OPENGL3;
break;
}
}
}
if (!context_wgl->wgl_context) {
if (context_wgl->priv->wglCreateContextAttribsARB && external_gl_context) {
context_wgl->wgl_context =
context_wgl->priv->wglCreateContextAttribsARB (device,
external_gl_context, 0);
}
if (!context_wgl->wgl_context) {
context_wgl->wgl_context = wglCreateContext (device);
if (!context_wgl->wgl_context) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT,
"Failed to create WGL context 0x%x",
(unsigned int) GetLastError ());
goto failure;
}
if (external_gl_context) {
if (!wglShareLists (external_gl_context, context_wgl->wgl_context)) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT,
"failed to share contexts through wglShareLists 0x%x",
(unsigned int) GetLastError ());
goto failure;
}
}
}
context_wgl->priv->context_api = GST_GL_API_OPENGL;
}
GST_LOG ("gl context id: %" G_GUINTPTR_FORMAT,
(guintptr) context_wgl->wgl_context);
gst_object_unref (window);
return TRUE;
failure:
gst_object_unref (window);
return FALSE;
}
static gboolean
gst_gl_mixer_propose_allocation (GstGLMixer * mix,
GstQuery * decide_query, GstQuery * query)
{
GstBufferPool *pool;
GstStructure *config;
GstCaps *caps;
guint size = 0;
gboolean need_pool;
GError *error = NULL;
GstStructure *gl_context;
gchar *platform, *gl_apis;
gpointer handle;
GstAllocator *allocator = NULL;
GstAllocationParams params;
gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL)
goto no_caps;
if ((pool = mix->priv->pool))
gst_object_ref (pool);
if (pool != NULL) {
GstCaps *pcaps;
/* we had a pool, check caps */
GST_DEBUG_OBJECT (mix, "check existing pool caps");
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL);
if (!gst_caps_is_equal (caps, pcaps)) {
GST_DEBUG_OBJECT (mix, "pool has different caps");
/* different caps, we can't use this pool */
gst_object_unref (pool);
pool = NULL;
}
gst_structure_free (config);
}
if (!gst_gl_ensure_display (mix, &mix->display))
return FALSE;
if (!mix->context) {
mix->context = gst_gl_context_new (mix->display);
if (!gst_gl_context_create (mix->context, NULL, &error))
goto context_error;
}
if (pool == NULL && need_pool) {
GstVideoInfo info;
if (!gst_video_info_from_caps (&info, caps))
goto invalid_caps;
GST_DEBUG_OBJECT (mix, "create new pool");
pool = gst_gl_buffer_pool_new (mix->context);
/* the normal size of a frame */
size = info.size;
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
if (!gst_buffer_pool_set_config (pool, config))
goto config_failed;
}
if (pool) {
gst_query_add_allocation_pool (query, pool, size, 1, 0);
gst_object_unref (pool);
}
/* we also support various metadata */
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, 0);
gl_apis = gst_gl_api_to_string (gst_gl_context_get_gl_api (mix->context));
platform =
gst_gl_platform_to_string (gst_gl_context_get_gl_platform (mix->context));
handle = (gpointer) gst_gl_context_get_gl_context (mix->context);
gl_context =
gst_structure_new ("GstVideoGLTextureUploadMeta", "gst.gl.GstGLContext",
GST_GL_TYPE_CONTEXT, mix->context, "gst.gl.context.handle",
G_TYPE_POINTER, handle, "gst.gl.context.type", G_TYPE_STRING, platform,
"gst.gl.context.apis", G_TYPE_STRING, gl_apis, NULL);
gst_query_add_allocation_meta (query,
GST_VIDEO_GL_TEXTURE_UPLOAD_META_API_TYPE, gl_context);
g_free (gl_apis);
g_free (platform);
gst_structure_free (gl_context);
gst_allocation_params_init (¶ms);
allocator = gst_allocator_find (GST_GL_MEMORY_ALLOCATOR);
gst_query_add_allocation_param (query, allocator, ¶ms);
gst_object_unref (allocator);
return TRUE;
/* ERRORS */
no_caps:
{
GST_DEBUG_OBJECT (mix, "no caps specified");
return FALSE;
}
invalid_caps:
{
GST_DEBUG_OBJECT (mix, "invalid caps specified");
return FALSE;
}
config_failed:
{
GST_DEBUG_OBJECT (mix, "failed setting config");
return FALSE;
}
context_error:
{
GST_ELEMENT_ERROR (mix, RESOURCE, NOT_FOUND, ("%s", error->message),
(NULL));
return FALSE;
}
}
static gboolean
gst_gl_context_egl_create_context (GstGLContext * context,
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
{
GstGLContextEGL *egl;
GstGLWindow *window = NULL;
EGLNativeWindowType window_handle;
gint i = 0;
EGLint context_attrib[3];
EGLint majorVersion;
EGLint minorVersion;
const gchar *egl_exts;
gboolean need_surface = TRUE;
guintptr external_gl_context = 0;
egl = GST_GL_CONTEXT_EGL (context);
window = gst_gl_context_get_window (context);
if (other_context) {
if (!GST_GL_IS_CONTEXT_EGL (other_context)) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Cannot share context with non-EGL context");
goto failure;
}
external_gl_context = gst_gl_context_get_gl_context (other_context);
}
if ((gl_api & (GST_GL_API_OPENGL | GST_GL_API_GLES2)) == GST_GL_API_NONE) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_WRONG_API,
"EGL supports opengl or gles2");
goto failure;
}
if (other_context) {
GstGLContextEGL *other_egl = (GstGLContextEGL *) other_context;
egl->egl_display = other_egl->egl_display;
} else {
egl->egl_display = eglGetDisplay ((EGLNativeDisplayType)
gst_gl_window_get_display (window));
}
if (eglInitialize (egl->egl_display, &majorVersion, &minorVersion)) {
GST_INFO ("egl initialized, version: %d.%d", majorVersion, minorVersion);
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE,
"Failed to initialize egl: %s", gst_gl_context_egl_get_error_string ());
goto failure;
}
if (gl_api & GST_GL_API_OPENGL) {
/* egl + opengl only available with EGL 1.4+ */
if (majorVersion == 1 && minorVersion <= 3) {
if ((gl_api & ~GST_GL_API_OPENGL) == GST_GL_API_NONE) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_OLD_LIBS,
"EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
majorVersion, minorVersion);
goto failure;
} else {
GST_WARNING
("EGL version (%i.%i) too old for OpenGL support, (needed at least 1.4)",
majorVersion, minorVersion);
if (gl_api & GST_GL_API_GLES2) {
goto try_gles2;
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Failed to choose a suitable OpenGL API");
goto failure;
}
}
}
if (!eglBindAPI (EGL_OPENGL_API)) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to bind OpenGL API: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
GST_INFO ("Using OpenGL");
egl->gl_api = GST_GL_API_OPENGL;
} else if (gl_api & GST_GL_API_GLES2) {
try_gles2:
if (!eglBindAPI (EGL_OPENGL_ES_API)) {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to bind OpenGL|ES API: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
GST_INFO ("Using OpenGL|ES 2.0");
egl->gl_api = GST_GL_API_GLES2;
}
if (!gst_gl_context_egl_choose_config (egl, other_context, error)) {
g_assert (error == NULL || *error != NULL);
goto failure;
}
GST_DEBUG ("about to create gl context\n");
if (egl->gl_api & GST_GL_API_GLES2) {
context_attrib[i++] = EGL_CONTEXT_CLIENT_VERSION;
context_attrib[i++] = 2;
}
context_attrib[i++] = EGL_NONE;
egl->egl_context =
eglCreateContext (egl->egl_display, egl->egl_config,
(EGLContext) external_gl_context, context_attrib);
if (egl->egl_context != EGL_NO_CONTEXT) {
GST_INFO ("gl context created: %" G_GUINTPTR_FORMAT,
(guintptr) egl->egl_context);
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT,
"Failed to create a OpenGL context: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
egl_exts = eglQueryString (egl->egl_display, EGL_EXTENSIONS);
if (other_context == NULL) {
/* FIXME do we want a window vfunc ? */
#if GST_GL_HAVE_WINDOW_X11
if (GST_GL_IS_WINDOW_X11 (context->window)) {
gst_gl_window_x11_create_window ((GstGLWindowX11 *) context->window);
}
#endif
#if GST_GL_HAVE_WINDOW_WIN32
if (GST_GL_IS_WINDOW_WIN32 (context->window)) {
gst_gl_window_win32_create_window ((GstGLWindowWin32 *) context->window);
}
#endif
}
window_handle =
(EGLNativeWindowType) gst_gl_window_get_window_handle (window);
if (window_handle) {
egl->egl_surface =
eglCreateWindowSurface (egl->egl_display, egl->egl_config,
window_handle, NULL);
} else if (!gst_gl_check_extension ("EGL_KHR_surfaceless_context", egl_exts)) {
EGLint surface_attrib[7];
gint j = 0;
/* FIXME: Width/height doesn't seem to matter but we can't leave them
* at 0, otherwise X11 complains about BadValue */
surface_attrib[j++] = EGL_WIDTH;
surface_attrib[j++] = 1;
surface_attrib[j++] = EGL_HEIGHT;
surface_attrib[j++] = 1;
surface_attrib[j++] = EGL_LARGEST_PBUFFER;
surface_attrib[j++] = EGL_TRUE;
surface_attrib[j++] = EGL_NONE;
egl->egl_surface =
eglCreatePbufferSurface (egl->egl_display, egl->egl_config,
surface_attrib);
} else {
egl->egl_surface = EGL_NO_SURFACE;
need_surface = FALSE;
}
if (need_surface) {
if (egl->egl_surface != EGL_NO_SURFACE) {
GST_INFO ("surface created");
} else {
g_set_error (error, GST_GL_CONTEXT_ERROR, GST_GL_CONTEXT_ERROR_FAILED,
"Failed to create window surface: %s",
gst_gl_context_egl_get_error_string ());
goto failure;
}
}
gst_object_unref (window);
return TRUE;
failure:
if (window)
gst_object_unref (window);
return FALSE;
}
static gboolean
gst_gl_context_glx_create_context (GstGLContext * context,
GstGLAPI gl_api, GstGLContext * other_context, GError ** error)
{
GstGLContextGLX *context_glx;
GstGLWindow *window;
GstGLWindowX11 *window_x11;
GstGLDisplay *display = NULL;
gboolean create_context;
const char *glx_exts;
Display *device;
guintptr external_gl_context = 0;
context_glx = GST_GL_CONTEXT_GLX (context);
window = gst_gl_context_get_window (context);
if (!GST_IS_GL_WINDOW_X11 (window)) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Cannot create an GLX context from a non-X11 window");
goto failure;
}
window_x11 = GST_GL_WINDOW_X11 (window);
display = gst_gl_context_get_display (context);
if (other_context) {
if (gst_gl_context_get_gl_platform (other_context) != GST_GL_PLATFORM_GLX) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_WRONG_CONFIG,
"Cannot share context with non-GLX context");
goto failure;
}
external_gl_context = gst_gl_context_get_gl_context (other_context);
}
device = (Display *) gst_gl_display_get_handle (display);
if (!device) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, "Invalid Display handle");
goto failure;
}
glx_exts = glXQueryExtensionsString (device, DefaultScreen (device));
create_context = gst_gl_check_extension ("GLX_ARB_create_context", glx_exts);
context_glx->priv->glXCreateContextAttribsARB =
(gpointer) glXGetProcAddressARB ((const GLubyte *)
"glXCreateContextAttribsARB");
if (!context_glx->glx_context && gl_api & GST_GL_API_OPENGL3 && create_context
&& context_glx->priv->glXCreateContextAttribsARB) {
gint i;
for (i = 0; i < G_N_ELEMENTS (opengl_versions); i++) {
gint profileMask = 0;
gint contextFlags = 0;
if ((opengl_versions[i].major > 3
|| (opengl_versions[i].major == 3
&& opengl_versions[i].minor >= 2))) {
profileMask |= GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
contextFlags |= GLX_CONTEXT_DEBUG_BIT_ARB;
} else {
break;
}
GST_DEBUG_OBJECT (context, "trying to create a GL %d.%d context",
opengl_versions[i].major, opengl_versions[i].minor);
context_glx->glx_context = _create_context_with_flags (context_glx,
device, context_glx->priv->fbconfigs[0],
(GLXContext) external_gl_context, opengl_versions[i].major,
opengl_versions[i].minor, contextFlags, profileMask);
if (context_glx->glx_context) {
context_glx->priv->context_api = GST_GL_API_OPENGL3;
break;
}
}
}
if (!context_glx->glx_context && gl_api & GST_GL_API_OPENGL) {
context_glx->glx_context =
glXCreateContext (device, window_x11->visual_info,
(GLXContext) external_gl_context, TRUE);
context_glx->priv->context_api = GST_GL_API_OPENGL;
}
if (context_glx->priv->fbconfigs)
XFree (context_glx->priv->fbconfigs);
if (!context_glx->glx_context) {
g_set_error (error, GST_GL_CONTEXT_ERROR,
GST_GL_CONTEXT_ERROR_CREATE_CONTEXT, "Failed to create opengl context");
goto failure;
}
GST_LOG ("gl context id: %ld", (gulong) context_glx->glx_context);
gst_object_unref (window);
gst_object_unref (display);
return TRUE;
failure:
if (window)
gst_object_unref (window);
if (display)
gst_object_unref (display);
return FALSE;
}
static GstVaapiDisplay *
gst_vaapi_create_display_from_gl_context (GstObject * gl_context_object)
{
#if USE_GST_GL_HELPERS
GstGLContext *const gl_context = GST_GL_CONTEXT (gl_context_object);
GstGLDisplay *const gl_display = gst_gl_context_get_display (gl_context);
gpointer native_display =
GSIZE_TO_POINTER (gst_gl_display_get_handle (gl_display));
GstVaapiDisplay *display, *out_display;
GstVaapiDisplayType display_type;
switch (gst_gl_display_get_handle_type (gl_display)) {
#if USE_X11
case GST_GL_DISPLAY_TYPE_X11:
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
break;
#endif
#if USE_WAYLAND
case GST_GL_DISPLAY_TYPE_WAYLAND:
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
break;
#endif
case GST_GL_DISPLAY_TYPE_ANY:{
/* Derive from the active window */
GstGLWindow *const gl_window = gst_gl_context_get_window (gl_context);
const gchar *const gl_window_type = g_getenv ("GST_GL_WINDOW");
display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
if (!gl_window)
break;
native_display = GSIZE_TO_POINTER (gst_gl_window_get_display (gl_window));
if (gl_window_type) {
#if USE_X11
if (!display_type && g_strcmp0 (gl_window_type, "x11") == 0)
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
#endif
#if USE_WAYLAND
if (!display_type && g_strcmp0 (gl_window_type, "wayland") == 0)
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
#endif
} else {
#if USE_X11
if (!display_type && GST_GL_HAVE_WINDOW_X11)
display_type = GST_VAAPI_DISPLAY_TYPE_X11;
#endif
#if USE_WAYLAND
if (!display_type && GST_GL_HAVE_WINDOW_WAYLAND)
display_type = GST_VAAPI_DISPLAY_TYPE_WAYLAND;
#endif
}
break;
}
default:
display_type = GST_VAAPI_DISPLAY_TYPE_ANY;
break;
}
if (!display_type)
return NULL;
display = gst_vaapi_create_display_from_handle (display_type, native_display);
if (!display)
return NULL;
switch (gst_gl_context_get_gl_platform (gl_context)) {
#if USE_EGL
case GST_GL_PLATFORM_EGL:{
guint gles_version;
switch (gst_gl_context_get_gl_api (gl_context)) {
case GST_GL_API_GLES1:
gles_version = 1;
goto create_egl_display;
case GST_GL_API_GLES2:
gles_version = 2;
goto create_egl_display;
case GST_GL_API_OPENGL:
case GST_GL_API_OPENGL3:
gles_version = 0;
create_egl_display:
out_display = gst_vaapi_display_egl_new (display, gles_version);
break;
default:
out_display = NULL;
break;
}
if (!out_display)
return NULL;
gst_vaapi_display_egl_set_gl_context (GST_VAAPI_DISPLAY_EGL (out_display),
GSIZE_TO_POINTER (gst_gl_context_get_gl_context (gl_context)));
break;
}
#endif
default:
out_display = gst_vaapi_display_ref (display);
break;
}
gst_vaapi_display_unref (display);
return out_display;
#endif
GST_ERROR ("unsupported GStreamer version %s", GST_API_VERSION_S);
return NULL;
}
