Mesa (master): gallium/util: let shader live cache users know if a hit occured

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Module: Mesa
Branch: master
Commit: 8306c533fe6b220b7ac3b40084266a47640fcf33
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8306c533fe6b220b7ac3b40084266a47640fcf33

Author: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
Date:   Wed Apr  1 10:47:14 2020 +0200

gallium/util: let shader live cache users know if a hit occured

This will be used in next commit.

Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4355>

---

 src/gallium/auxiliary/util/u_live_shader_cache.c | 6 +++++-
 src/gallium/auxiliary/util/u_live_shader_cache.h | 3 ++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_live_shader_cache.c b/src/gallium/auxiliary/util/u_live_shader_cache.c
index 9c59b5fd3cf..a32c3748257 100644
--- a/src/gallium/auxiliary/util/u_live_shader_cache.c
+++ b/src/gallium/auxiliary/util/u_live_shader_cache.c
@@ -71,7 +71,8 @@ util_live_shader_cache_deinit(struct util_live_shader_cache *cache)
 void *
 util_live_shader_cache_get(struct pipe_context *ctx,
                            struct util_live_shader_cache *cache,
-                           const struct pipe_shader_state *state)
+                           const struct pipe_shader_state *state,
+                           bool* cache_hit)
 {
    struct blob blob = {0};
    unsigned ir_size;
@@ -124,6 +125,9 @@ util_live_shader_cache_get(struct pipe_context *ctx,
    }
    simple_mtx_unlock(&cache->lock);
 
+   if (cache_hit)
+      *cache_hit = (shader != NULL);
+
    /* Return if the shader already exists. */
    if (shader)
       return shader;
diff --git a/src/gallium/auxiliary/util/u_live_shader_cache.h b/src/gallium/auxiliary/util/u_live_shader_cache.h
index 5d8cfc1bafc..b6e6e32c76e 100644
--- a/src/gallium/auxiliary/util/u_live_shader_cache.h
+++ b/src/gallium/auxiliary/util/u_live_shader_cache.h
@@ -80,7 +80,8 @@ util_live_shader_cache_deinit(struct util_live_shader_cache *cache);
 void *
 util_live_shader_cache_get(struct pipe_context *ctx,
                            struct util_live_shader_cache *cache,
-                           const struct pipe_shader_state *state);
+                           const struct pipe_shader_state *state,
+                           bool* cache_hit);
 
 void
 util_shader_reference(struct pipe_context *ctx,