panfrost: Add valhall_has_blend_shader field

Required in a hot path for silly historical reasons, so add a field to save a
pre-computed value thereof.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15797>

diff --git a/src/gallium/drivers/panfrost/pan_context.h b/src/gallium/drivers/panfrost/pan_context.h
index c234a7a..ac28f53 100644 (file)
--- a/src/gallium/drivers/panfrost/pan_context.h
+++ b/src/gallium/drivers/panfrost/pan_context.h
@@ -202,6 +202,12 @@ struct panfrost_context {
 
         struct panfrost_blend_state *blend;
 
+        /* On Valhall, does the current blend state use a blend shader for any
+         * output? We need this information in a hot path to decide if
+         * per-sample shading should be enabled.
+         */
+        bool valhall_has_blend_shader;
+
         struct pipe_viewport_state pipe_viewport;
         struct pipe_scissor_state scissor;
         struct pipe_blend_color blend_color;