mesa: alloc/free shared sampler objects

src/mesa/main/shared.c

@@ -40,6 +40,9 @@
 #include "shared.h"
 #include "program/program.h"
 #include "dlist.h"
+#if FEATURE_ARB_sampler_objects
+#include "samplerobj.h"
+#endif
 #include "shaderobj.h"
 #include "syncobj.h"
 
@@ -91,6 +94,11 @@ _mesa_alloc_shared_state(struct gl_context *ctx)
    shared->BufferObjects = _mesa_NewHashTable();
 #endif
 
+#if FEATURE_ARB_sampler_objects
+   /* GL_ARB_sampler_objects */
+   shared->SamplerObjects = _mesa_NewHashTable();
+#endif
+
    /* Allocate the default buffer object */
    shared->NullBufferObj = ctx->Driver.NewBufferObject(ctx, 0, 0);
 
@@ -270,6 +278,20 @@ delete_renderbuffer_cb(GLuint id, void *data, void *userData)
 }
 
 
+#if FEATURE_ARB_sampler_objects
+/**
+ * Callback for deleting a sampler object. Called by _mesa_HashDeleteAll()
+ */
+static void
+delete_sampler_object_cb(GLuint id, void *data, void *userData)
+{
+   struct gl_context *ctx = (struct gl_context *) userData;
+   struct gl_sampler_object *sampObj = (struct gl_sampler_object *) data;
+   _mesa_reference_sampler_object(ctx, &sampObj, NULL);
+}
+#endif
+
+
 /**
  * Deallocate a shared state object and all children structures.
  *
@@ -345,6 +367,11 @@ free_shared_state(struct gl_context *ctx, struct gl_shared_state *shared)
       }
    }
 
+#if FEATURE_ARB_sampler_objects
+   _mesa_HashDeleteAll(shared->SamplerObjects, delete_sampler_object_cb, ctx);
+   _mesa_DeleteHashTable(shared->SamplerObjects);
+#endif
+
    /*
     * Free texture objects (after FBOs since some textures might have
     * been bound to FBOs).