broadcom/compiler: emit passthrough Z write if shader reads Z

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14037>
2021-12-02 11:18:13 +01:00
parent d44d2e823f
commit 6d4a645c90
2 changed files with 19 additions and 3 deletions
--- a/src/broadcom/compiler/v3d_compiler.h
+++ b/src/broadcom/compiler/v3d_compiler.h
@@ -655,6 +655,7 @@ struct v3d_compile {

        bool uses_center_w;
        bool writes_z;
+        bool reads_z;
        bool uses_implicit_point_line_varyings;

        /* True if a fragment shader reads gl_PrimitiveID */