From: Icenowy Zheng <icenowy@aosc.io>
Date: Tue, 25 Feb 2020 09:48:12 +0000 (+0800)
Subject: lima: expose fragment shader derivatives capability
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3569215d493da6dbb8359f1df1259563b2c61db1;p=mesa.git

lima: expose fragment shader derivatives capability

Support for fragment shader derivatives has landed in the Lima PP
compiler for a long time, but its capability is not exposed yet.

Expose the support now.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3944>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3944>
---

diff --git a/src/gallium/drivers/lima/lima_screen.c b/src/gallium/drivers/lima/lima_screen.c
index 9a5e0d0db2f..16c9fefcf04 100644
--- a/src/gallium/drivers/lima/lima_screen.c
+++ b/src/gallium/drivers/lima/lima_screen.c
@@ -147,6 +147,9 @@ lima_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_CLIP_PLANES:
       return 0;
 
+   case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
+      return 1;
+
    default:
       return u_pipe_screen_get_param_defaults(pscreen, param);
    }