diff options
Diffstat (limited to 'gst-libs/gst/vaapi')
| -rw-r--r-- | gst-libs/gst/vaapi/gstvaapiutils_glx.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/gst-libs/gst/vaapi/gstvaapiutils_glx.c b/gst-libs/gst/vaapi/gstvaapiutils_glx.c index ccd7832b..f73106c2 100644 --- a/gst-libs/gst/vaapi/gstvaapiutils_glx.c +++ b/gst-libs/gst/vaapi/gstvaapiutils_glx.c @@ -301,9 +301,17 @@ gl_create_context (Display * dpy, int screen, GLContextState * parent) GLX_RED_SIZE, 8, GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, + GLX_ALPHA_SIZE, 8, None }; + const GLint rgba_colors[4] = { + GLX_RED_SIZE, + GLX_GREEN_SIZE, + GLX_BLUE_SIZE, + GLX_ALPHA_SIZE + }; + cs = malloc (sizeof (*cs)); if (!cs) goto error; @@ -333,11 +341,38 @@ gl_create_context (Display * dpy, int screen, GLContextState * parent) if (!fbconfigs) goto error; - /* Find out a GLXFBConfig compatible with the parent context */ + /* Find out a 8 bit GLXFBConfig compatible with the parent context */ for (n = 0; n < n_fbconfigs; n++) { + gboolean sizes_correct = FALSE; + int cn; + status = glXGetFBConfigAttrib (parent->display, fbconfigs[n], GLX_FBCONFIG_ID, &val); - if (status == Success && val == fbconfig_id) + if (status != Success) + goto error; + if (val != fbconfig_id) + continue; + + /* Iterate over RGBA sizes in fbconfig */ + for (cn = 0; cn < 4; cn++) { + int size = 0; + + status = glXGetFBConfigAttrib (parent->display, + fbconfigs[n], rgba_colors[cn], &size); + if (status != Success) + goto error; + + /* Last check is for alpha + * and alpha is optional */ + if (cn == 3) { + if (size == 0 || size == 8) { + sizes_correct = TRUE; + break; + } + } else if (size != 8) + break; + } + if (sizes_correct) break; } if (n == n_fbconfigs) @@ -809,6 +844,7 @@ gl_create_pixmap_object (Display * dpy, guint width, guint height) GLX_RED_SIZE, 8, GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, + GLX_ALPHA_SIZE, 8, GL_NONE, }; |