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wgl: Support a single-buffered winsys framebuffer

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Reviewed-by: Sil Vilerino <sivileri@microsoft.com>
Reviewed-by: Jose Fonseca <jose.fonseca@broadcom.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27512>
This commit is contained in:
Jesse Natalie 2024-02-07 10:53:42 -08:00 • committed by Marge Bot
parent f733215c12
commit b6a2972455
2 changed files with 10 additions and 2 deletions
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8
src/gallium/frontends/wgl/stw_st.c
View file

@ -169,8 +169,9 @@ stw_st_framebuffer_validate_locked(struct st_context *st,
* drawing. A fake front texture is needed to handle that scenario.
* For MSAA, we just need to make sure that the back buffer also
* exists, so we can blt to it during flush_frontbuffer. */
if (mask & ST_ATTACHMENT_FRONT_LEFT_MASK &&
stwfb->fb->winsys_framebuffer) {
if ((mask & ST_ATTACHMENT_FRONT_LEFT_MASK) &&
stwfb->fb->winsys_framebuffer &&
(stwfb->stvis.buffer_mask & ST_ATTACHMENT_BACK_LEFT_MASK)) {
if (stwfb->stvis.samples <= 1)
stwfb->needs_fake_front = true;
else
@ -488,6 +489,9 @@ stw_st_framebuffer_flush_front(struct st_context *st,
/* fake front texture is now invalid */
p_atomic_inc(&stwfb->base.stamp);
need_swap_textures = true;
} else if (stwfb->fb->winsys_framebuffer &&
stwfb->fb->winsys_framebuffer->flush_frontbuffer) {
stwfb->fb->winsys_framebuffer->flush_frontbuffer(stwfb->fb->winsys_framebuffer, pipe);
}
if (need_swap_textures) {

4
src/gallium/frontends/wgl/stw_winsys.h
View file

@ -63,6 +63,10 @@ struct stw_winsys_framebuffer
struct pipe_resource *
(*get_resource)(struct stw_winsys_framebuffer *fb,
enum st_attachment_type statt);
void
(*flush_frontbuffer)(struct stw_winsys_framebuffer *fb,
struct pipe_context *context);
};
struct stw_winsys