[Mesa-dev] [PATCH 01/19] mesa: Add disk shader cache driver blob callback

[Jordan Justen]

Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
---
 src/compiler/glsl/shader_cache.cpp |  8 ++++++++
 src/mesa/main/dd.h                 | 15 +++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/compiler/glsl/shader_cache.cpp 
b/src/compiler/glsl/shader_cache.cpp
index 042f3a60f5b..31d0aa62966 100644
--- a/src/compiler/glsl/shader_cache.cpp
+++ b/src/compiler/glsl/shader_cache.cpp
@@ -102,6 +102,14 @@ shader_cache_write_program_metadata(struct gl_context *ctx,
    struct blob metadata;
    blob_init(&metadata);
 
+   if (ctx->Driver.ShaderCacheSerializeDriverBlob) {
+      for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
+         struct gl_linked_shader *sh = prog->_LinkedShaders[i];
+         if (sh)
+            ctx->Driver.ShaderCacheSerializeDriverBlob(ctx, sh->Program);
+      }
+   }
+
    serialize_glsl_program(&metadata, ctx, prog);
 
    struct cache_item_metadata cache_item_metadata;
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 9f9606ac6b5..7a1e6823ac5 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -1274,6 +1274,21 @@ struct dd_function_table {
                                 struct gl_semaphore_object *semObj,
                                 int fd);
    /*@}*/
+
+   /**
+    * \name Disk shader cache functions
+    */
+   /*@{*/
+   /**
+    * Called to initialize gl_program::driver_cache_blob (and size) with a
+    * ralloc allocated buffer.
+    *
+    * This buffer will be saved and restored as part of the gl_program
+    * serialization and deserialization.
+    */
+   void (*ShaderCacheSerializeDriverBlob)(struct gl_context *ctx,
+                                          struct gl_program *prog);
+   /*@}*/
 };
 
 
-- 
2.16.2

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