diff options
Diffstat (limited to 'src/gallium/state_trackers/egl_g3d/x11/native_ximage.c')
| -rw-r--r-- | src/gallium/state_trackers/egl_g3d/x11/native_ximage.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/egl_g3d/x11/native_ximage.c b/src/gallium/state_trackers/egl_g3d/x11/native_ximage.c index e02faa9b7b..1a1844ec49 100644 --- a/src/gallium/state_trackers/egl_g3d/x11/native_ximage.c +++ b/src/gallium/state_trackers/egl_g3d/x11/native_ximage.c @@ -83,6 +83,7 @@ struct ximage_surface { GC gc; struct ximage_buffer buffers[NUM_NATIVE_ATTACHMENTS]; + unsigned int sequence_number; }; struct ximage_config { @@ -260,6 +261,9 @@ ximage_surface_swap_buffers(struct native_surface *nsurf) *xfront = *xback; *xback = xtmp; + /* the front/back textures are swapped */ + xsurf->sequence_number++; + return ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_FRONT_LEFT); } @@ -288,11 +292,12 @@ static boolean ximage_surface_validate(struct native_surface *nsurf, const enum native_attachment *natts, unsigned num_natts, + unsigned int *seq_num, struct pipe_texture **textures, int *width, int *height) { struct ximage_surface *xsurf = ximage_surface(nsurf); - boolean error = FALSE; + boolean new_buffers = FALSE, error = FALSE; unsigned i; ximage_surface_update_geometry(&xsurf->base); @@ -311,6 +316,7 @@ ximage_surface_validate(struct native_surface *nsurf, if (!xbuf->texture || xsurf->width != xbuf->texture->width0 || xsurf->height != xbuf->texture->height0) { + new_buffers = TRUE; if (ximage_surface_alloc_buffer(&xsurf->base, natt)) { /* update ximage */ if (xbuf->ximage) { @@ -336,6 +342,12 @@ ximage_surface_validate(struct native_surface *nsurf, pipe_texture_reference(&textures[i], xbuf->texture); } + /* increase the sequence number so that caller knows */ + if (new_buffers) + xsurf->sequence_number++; + + if (seq_num) + *seq_num = xsurf->sequence_number; if (width) *width = xsurf->width; if (height) |