VA_DRI2Buffer *buffers;
i = 0;
- attachments[i++] = __DRI_BUFFER_BACK_LEFT;
+ if (dri_drawable->is_window)
+ attachments[i++] = __DRI_BUFFER_BACK_LEFT;
+ else
+ attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
+
buffers = VA_DRI2GetBuffers(ctx->native_dpy, dri_drawable->x_drawable,
&dri2_drawable->width, &dri2_drawable->height,
attachments, i, &count);
#include "va_dricommon.h"
-static struct dri_drawable *
+// X error trap
+static int x11_error_code = 0;
+static int (*old_error_handler)(Display *, XErrorEvent *);
+
+static int
+error_handler(Display *dpy, XErrorEvent *error)
+{
+ x11_error_code = error->error_code;
+ return 0;
+}
+
+static void
+x11_trap_errors(void)
+{
+ x11_error_code = 0;
+ old_error_handler = XSetErrorHandler(error_handler);
+}
+
+static int
+x11_untrap_errors(void)
+{
+ XSetErrorHandler(old_error_handler);
+ return x11_error_code;
+}
+
+static int
+is_window(Display *dpy, Drawable drawable)
+{
+ XWindowAttributes wattr;
+
+ x11_trap_errors();
+ XGetWindowAttributes(dpy, drawable, &wattr);
+ return x11_untrap_errors() == 0;
+}
+
+static struct dri_drawable *
do_drawable_hash(VADriverContextP ctx, XID drawable)
{
struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
dri_drawable = dri_state->createDrawable(ctx, drawable);
dri_drawable->x_drawable = drawable;
+ dri_drawable->is_window = is_window((Display *)ctx->native_dpy, drawable);
dri_drawable->next = dri_state->drawable_hash[index];
dri_state->drawable_hash[index] = dri_drawable;