Support the GLX_SWAP_COPY_OML method. When this method is requested, we use the same swapbuffer code path as EGL_BUFFER_PRESERVED.
Signed-off-by: Thomas Hellstrom <thellst...@vmware.com> --- src/loader/loader_dri3_helper.c | 9 ++++++++- src/loader/loader_dri3_helper.h | 1 + 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/src/loader/loader_dri3_helper.c b/src/loader/loader_dri3_helper.c index 812adcc..774256f 100644 --- a/src/loader/loader_dri3_helper.c +++ b/src/loader/loader_dri3_helper.c @@ -301,6 +301,13 @@ loader_dri3_drawable_init(xcb_connection_t *conn, draw->vtable->set_drawable_size(draw, draw->width, draw->height); free(reply); + draw->swap_method = __DRI_ATTRIB_SWAP_UNDEFINED; + if (draw->ext->core->base.version >= 2) { + (void )draw->ext->core->getConfigAttrib(dri_config, + __DRI_ATTRIB_SWAP_METHOD, + &draw->swap_method); + } + /* * Make sure server has the same swap interval we do for the new * drawable. @@ -767,7 +774,7 @@ loader_dri3_swap_buffers_msc(struct loader_dri3_drawable *draw, * The force_copy parameter is used by EGL to attempt to preserve * the back buffer across a call to this function. */ - if (force_copy) + if (draw->swap_method == __DRI_ATTRIB_SWAP_COPY || force_copy) draw->cur_blit_source = LOADER_DRI3_BACK_ID(draw->cur_back); dri3_flush_present_events(draw); diff --git a/src/loader/loader_dri3_helper.h b/src/loader/loader_dri3_helper.h index 82c5363..f7db45d 100644 --- a/src/loader/loader_dri3_helper.h +++ b/src/loader/loader_dri3_helper.h @@ -160,6 +160,7 @@ struct loader_dri3_drawable { const struct loader_dri3_vtable *vtable; bool have_image_blit; + unsigned int swap_method; }; void -- 2.7.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev