Since commit 63c5d5c6c46c8472ee7a8241a0f80f13d79cb8cd, the surfaceless platform has allowed creation of pbuffer surfaces. But the vtable entry for eglSwapBuffers has remained NULL.
Discovered by running a little pbuffer test. Cc: Gurchetan Singh <gurchetansi...@chromium.org> --- src/egl/drivers/dri2/platform_surfaceless.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/egl/drivers/dri2/platform_surfaceless.c b/src/egl/drivers/dri2/platform_surfaceless.c index fcf7d69..a55c5f1 100644 --- a/src/egl/drivers/dri2/platform_surfaceless.c +++ b/src/egl/drivers/dri2/platform_surfaceless.c @@ -178,6 +178,17 @@ dri2_surfaceless_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp, } static EGLBoolean +surfaceless_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) +{ + assert(!surf || surf->Type == EGL_PBUFFER_BIT); + + /* From the EGL 1.5 spec: + * If surface is a [...] pbuffer surface, eglSwapBuffers has no effect. + */ + return EGL_TRUE; +} + +static EGLBoolean surfaceless_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy); @@ -223,6 +234,7 @@ static struct dri2_egl_display_vtbl dri2_surfaceless_display_vtbl = { .destroy_surface = surfaceless_destroy_surface, .create_image = dri2_create_image_khr, .swap_interval = dri2_fallback_swap_interval, + .swap_buffers = surfaceless_swap_buffers, .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage, .swap_buffers_region = dri2_fallback_swap_buffers_region, .post_sub_buffer = dri2_fallback_post_sub_buffer, -- 2.10.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev