Mesa (master): st: expose KHR_blend_equation_advanced if PIPE_CAP_BLEND_EQUATION_ADVANCED

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Module: Mesa
Branch: master
Commit: d0df56ccd182f1236e05e588d67f5c6299736773
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d0df56ccd182f1236e05e588d67f5c6299736773

Author: Elie Tournier <tournier.elie at gmail.com>
Date:   Wed Jun  3 10:32:47 2020 +0100

st: expose KHR_blend_equation_advanced if PIPE_CAP_BLEND_EQUATION_ADVANCED

With virgl, we want to expose KHR_blend_equation_advanced even if EXT_shader_framebuffer_fetch
is not available.

Signed-off-by: Elie Tournier <elie.tournier at collabora.com>
Reviewed-by: Gert Wollny <gert.wollny at collabora.com>
Reviewed-by: Dave Airlie <airlied at redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5516>

---

 src/mesa/state_tracker/st_extensions.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 99ea39cc8a7..e39ee75905e 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -1470,6 +1470,9 @@ void st_init_extensions(struct pipe_screen *screen,
    bool coherent_fb_fetch =
       screen->get_param(screen, PIPE_CAP_FBFETCH_COHERENT);
 
+   if (screen->get_param(screen, PIPE_CAP_BLEND_EQUATION_ADVANCED))
+      extensions->KHR_blend_equation_advanced = true;
+
    if (max_fb_fetch_rts > 0) {
       extensions->KHR_blend_equation_advanced = true;
       extensions->KHR_blend_equation_advanced_coherent = coherent_fb_fetch;