r300g: more efficient finish + fix comments

[mesa.git] / src / gallium / drivers / r300 / r300_context.h

diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index b658d4b977bd433f2a74e669ae808258c6cbea18..efc6df3fabf859464a039be48700f80b81ab887d 100644 (file)
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -252,6 +252,22 @@ struct r300_query {
     struct r300_query* next;
 };
 
+/* Fence object.
+ *
+ * This is a fake fence. Instead of syncing with the fence, we sync
+ * with the context, which is inefficient but compliant.
+ *
+ * This is not a subclass of pipe_fence_handle because pipe_fence_handle is
+ * never actually fully defined. So, rather than have it as a member, and do
+ * subclass-style casting, we treat pipe_fence_handle as an opaque, and just
+ * trust that our state tracker does not ever mess up fence objects.
+ */
+struct r300_fence {
+    struct pipe_reference reference;
+    struct r300_context *ctx;
+    boolean signalled;
+};
+
 struct r300_texture {
     /* Parent class */
     struct u_resource b;
@@ -470,9 +486,11 @@ struct draw_stage* r300_draw_stage(struct r300_context* r300);
 void r300_init_blit_functions(struct r300_context *r300);
 void r300_init_flush_functions(struct r300_context* r300);
 void r300_init_query_functions(struct r300_context* r300);
+void r300_init_render_functions(struct r300_context *r300);
 void r300_init_state_functions(struct r300_context* r300);
 void r300_init_resource_functions(struct r300_context* r300);
 
+void r300_finish(struct r300_context *r300);
 void r500_dump_rs_block(struct r300_rs_block *rs);
 
 static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags)