intel: Fixups for 'mesa: create/destroy buffer objects via driver functions'.

Initialize all driver function hooks before calling _mesa_initialize_context(),
and handle all buffer objects in intel_buffer_object().

Fixes assertion failure when running glxinfo.

src/mesa/drivers/dri/intel/intel_buffer_objects.c

@@ -315,15 +315,13 @@ intel_bufferobj_buffer(struct intel_context *intel,
 }
 
 void
-intel_bufferobj_init(struct intel_context *intel)
+intelInitBufferObjectFuncs(struct dd_function_table *functions)
 {
-   GLcontext *ctx = &intel->ctx;
-
-   ctx->Driver.NewBufferObject = intel_bufferobj_alloc;
-   ctx->Driver.DeleteBuffer = intel_bufferobj_free;
-   ctx->Driver.BufferData = intel_bufferobj_data;
-   ctx->Driver.BufferSubData = intel_bufferobj_subdata;
-   ctx->Driver.GetBufferSubData = intel_bufferobj_get_subdata;
-   ctx->Driver.MapBuffer = intel_bufferobj_map;
-   ctx->Driver.UnmapBuffer = intel_bufferobj_unmap;
+   functions->NewBufferObject = intel_bufferobj_alloc;
+   functions->DeleteBuffer = intel_bufferobj_free;
+   functions->BufferData = intel_bufferobj_data;
+   functions->BufferSubData = intel_bufferobj_subdata;
+   functions->GetBufferSubData = intel_bufferobj_get_subdata;
+   functions->MapBuffer = intel_bufferobj_map;
+   functions->UnmapBuffer = intel_bufferobj_unmap;
 }

src/mesa/drivers/dri/intel/intel_buffer_objects.h

@@ -60,7 +60,7 @@ dri_bo *intel_bufferobj_buffer(struct intel_context *intel,
 
 /* Hook the bufferobject implementation into mesa: 
  */
-void intel_bufferobj_init(struct intel_context *intel);
+void intelInitBufferObjectFuncs(struct dd_function_table *functions);
 
 
 
@@ -72,10 +72,7 @@ void intel_bufferobj_init(struct intel_context *intel);
 static INLINE struct intel_buffer_object *
 intel_buffer_object(struct gl_buffer_object *obj)
 {
-   if (obj->Name)
-      return (struct intel_buffer_object *) obj;
-   else
-      return NULL;
+   return (struct intel_buffer_object *) obj;
 }
 
 /* Helpers for zerocopy image uploads.  See also intel_regions.h:

src/mesa/drivers/dri/intel/intel_context.c

@@ -557,6 +557,7 @@ intelInitDriverFunctions(struct dd_function_table *functions)
    intelInitClearFuncs(functions);
    intelInitBufferFuncs(functions);
    intelInitPixelFuncs(functions);
+   intelInitBufferObjectFuncs(functions);
 }
 
 
@@ -717,7 +718,6 @@ intelInitContext(struct intel_context *intel,
 
    intel->batch = intel_batchbuffer_alloc(intel);
 
-   intel_bufferobj_init(intel);
    intel_fbo_init(intel);
 
    if (intel->ctx.Mesa_DXTn) {