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loader_dri3: Support GLX_SWAP_COPY_OML

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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 <thellstrom@vmware.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Thomas Hellstrom 2017-08-10 17:10:47 +02:00
parent 1e83baeb4b
commit 16d1a0bcdb
2 changed files with 10 additions and 1 deletions
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9
src/loader/loader_dri3_helper.c
View file

@ -311,6 +311,13 @@ 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.
@ -777,7 +784,7 @@ 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);

2
src/loader/loader_dri3_helper.h
View file

@ -158,6 +158,8 @@ struct loader_dri3_drawable {
struct loader_dri3_extensions *ext;
const struct loader_dri3_vtable *vtable;
unsigned int swap_method;
};
void