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[690/906] windowx11glx: use fbconfigs if supported

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This commit is contained in:
Matthew Waters 2013-06-02 21:47:17 +10:00
parent b0c6d98f63
commit 46decac44e
2 changed files with 80 additions and 14 deletions
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89
gst-libs/gst/gl/x11/gstglwindow_x11_glx.c
View file

@ -35,6 +35,9 @@
G_DEFINE_TYPE (GstGLWindowX11GLX, gst_gl_window_x11_glx,
GST_GL_TYPE_WINDOW_X11);
#define GST_GL_WINDOW_X11_GLX_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW_X11_GLX, GstGLWindowX11GLXPrivate))
static guintptr gst_gl_window_x11_glx_get_gl_context (GstGLWindowX11 *
window_x11);
static void gst_gl_window_x11_glx_swap_buffers (GstGLWindowX11 * window_x11);
@ -49,12 +52,20 @@ GstGLAPI gst_gl_window_x11_glx_get_gl_api (GstGLWindow * window);
static gpointer gst_gl_window_x11_glx_get_proc_address (GstGLWindow * window,
const gchar * name);
struct _GstGLWindowX11GLXPrivate
{
int glx_major;
int glx_minor;
};
static void
gst_gl_window_x11_glx_class_init (GstGLWindowX11GLXClass * klass)
{
GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
GstGLWindowX11Class *window_x11_class = (GstGLWindowX11Class *) klass;
g_type_class_add_private (klass, sizeof (GstGLWindowX11GLXPrivate));
window_x11_class->get_gl_context =
GST_DEBUG_FUNCPTR (gst_gl_window_x11_glx_get_gl_context);
window_x11_class->activate =
@ -77,6 +88,7 @@ gst_gl_window_x11_glx_class_init (GstGLWindowX11GLXClass * klass)
static void
gst_gl_window_x11_glx_init (GstGLWindowX11GLX * window)
{
window->priv = GST_GL_WINDOW_X11_GLX_GET_PRIVATE (window);
}
/* Must be called in the gl thread */
@ -130,16 +142,11 @@ static gboolean
gst_gl_window_x11_glx_choose_format (GstGLWindowX11 * window_x11,
GError ** error)
{
GstGLWindowX11GLX *window_glx;
gint error_base;
gint event_base;
gint attrib[] = {
GLX_RGBA,
GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
GLX_DEPTH_SIZE, 16,
GLX_DOUBLEBUFFER,
None
};
window_glx = GST_GL_WINDOW_X11_GLX (window_x11);
if (!glXQueryExtension (window_x11->device, &error_base, &event_base)) {
g_set_error (error, GST_GL_WINDOW_ERROR,
@ -147,15 +154,71 @@ gst_gl_window_x11_glx_choose_format (GstGLWindowX11 * window_x11,
goto failure;
}
window_x11->visual_info = glXChooseVisual (window_x11->device,
window_x11->screen_num, attrib);
if (!window_x11->visual_info) {
g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_WRONG_CONFIG,
"Bad attributes in glXChooseVisual");
if (!glXQueryVersion (window_x11->device, &window_glx->priv->glx_major,
&window_glx->priv->glx_minor)) {
g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_CREATE_CONTEXT,
"Failed to query GLX version (glXQueryVersion failed)");
goto failure;
}
GST_INFO ("GLX Version: %d.%d", window_glx->priv->glx_major,
window_glx->priv->glx_minor);
/* legacy case */
if (window_glx->priv->glx_major < 1 || (window_glx->priv->glx_major == 1
&& window_glx->priv->glx_minor < 3)) {
gint attribs[] = {
GLX_RGBA,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_DEPTH_SIZE, 16,
GLX_DOUBLEBUFFER,
None
};
window_x11->visual_info = glXChooseVisual (window_x11->device,
window_x11->screen_num, attribs);
if (!window_x11->visual_info) {
g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_WRONG_CONFIG,
"Bad attributes in glXChooseVisual");
goto failure;
}
} else {
gint attribs[] = {
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_DEPTH_SIZE, 16,
GLX_DOUBLEBUFFER, True,
None
};
int fbcount;
GLXFBConfig *fbconfigs = glXChooseFBConfig (window_x11->device,
DefaultScreen (window_x11->device), attribs, &fbcount);
if (!fbconfigs) {
g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_WRONG_CONFIG,
"Could not find any FBConfig's to use (check attributes?)");
goto failure;
}
window_x11->visual_info = glXGetVisualFromFBConfig (window_x11->device,
fbconfigs[0]);
XFree (fbconfigs);
if (!window_x11->visual_info) {
g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_WRONG_CONFIG,
"Bad attributes in FBConfig");
goto failure;
}
}
return TRUE;
failure:

3
gst-libs/gst/gl/x11/gstglwindow_x11_glx.h
View file

@ -36,6 +36,7 @@ G_BEGIN_DECLS
typedef struct _GstGLWindowX11GLX GstGLWindowX11GLX;
typedef struct _GstGLWindowX11GLXClass GstGLWindowX11GLXClass;
typedef struct _GstGLWindowX11GLXPrivate GstGLWindowX11GLXPrivate;
struct _GstGLWindowX11GLX {
/*< private >*/
@ -43,6 +44,8 @@ struct _GstGLWindowX11GLX {
GLXContext glx_context;
GstGLWindowX11GLXPrivate *priv;
gpointer _reserved[GST_PADDING];
};