On 01/09/2013 04:45 PM, Kristian Høgsberg wrote:
--- src/egl/drivers/dri2/platform_wayland.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-)diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c index 5b5c849..e9a66af 100644 --- a/src/egl/drivers/dri2/platform_wayland.c +++ b/src/egl/drivers/dri2/platform_wayland.c @@ -286,6 +286,7 @@ get_back_bo(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer) __DRI_BUFFER_BACK_LEFT, 32, dri2_surf->base.Width, dri2_surf->base.Height); + dri2_surf->back->age = 0; } if (dri2_surf->back->dri_buffer == NULL) return -1; @@ -445,7 +446,7 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); - int ret = 0; + int i, ret = 0; while (dri2_surf->frame_callback && ret != -1) ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue); @@ -458,6 +459,11 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) wl_proxy_set_queue((struct wl_proxy *) dri2_surf->frame_callback, dri2_dpy->wl_queue); + for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) + if (dri2_surf->color_buffers[i].age > 0) + dri2_surf->color_buffers[i].age++; + + dri2_surf->back->age = 1; dri2_surf->current = dri2_surf->back; dri2_surf->back = NULL; @@ -496,6 +502,21 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) return EGL_TRUE; } +static EGLint +dri2_query_buffer_age(_EGLDriver *drv, + _EGLDisplay *disp, _EGLSurface *surface) +{ + struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface); + __DRIbuffer buffer; + + if (get_back_bo(dri2_surf, &buffer) < 0) { + _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age"); + return 0; + } + + return dri2_surf->back->age; +} + static int dri2_wayland_authenticate(_EGLDisplay *disp, uint32_t id) { @@ -633,6 +654,7 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) drv->API.DestroySurface = dri2_destroy_surface; drv->API.SwapBuffers = dri2_swap_buffers; drv->API.Terminate = dri2_terminate; + drv->API.QueryBufferAge = dri2_query_buffer_age; dri2_dpy = calloc(1, sizeof *dri2_dpy); if (!dri2_dpy) @@ -697,6 +719,7 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) } disp->Extensions.WL_bind_wayland_display = EGL_TRUE; + disp->Extensions.EXT_buffer_age = EGL_TRUE; dri2_dpy->authenticate = dri2_wayland_authenticate; /* we're supporting EGL 1.4 */
Reviewed-by: Ander Conselvan de Oliveira <conselv...@gmail.com> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
