trace: Fix dumping of set_constant_buffer method.

src/gallium/drivers/trace/tr_context.c

@@ -763,15 +763,7 @@ trace_context_set_constant_buffer(struct pipe_context *_pipe,
    trace_dump_arg(ptr, pipe);
    trace_dump_arg(uint, shader);
    trace_dump_arg(uint, index);
-   if (constant_buffer) {
-      trace_dump_struct_begin("pipe_constant_buffer");
-      trace_dump_member(ptr, constant_buffer, buffer);
-      trace_dump_member(uint, constant_buffer, buffer_offset);
-      trace_dump_member(uint, constant_buffer, buffer_size);
-      trace_dump_struct_end();
-   } else {
-      trace_dump_arg(ptr, constant_buffer);
-   }
+   trace_dump_arg(constant_buffer, constant_buffer);
 
    pipe->set_constant_buffer(pipe, shader, index,
                              constant_buffer ? &cb : NULL);

src/gallium/drivers/trace/tr_dump_state.c

@@ -661,6 +661,24 @@ void trace_dump_vertex_element(const struct pipe_vertex_element *state)
 }
 
 
+void trace_dump_constant_buffer(const struct pipe_constant_buffer *state)
+{
+   if (!trace_dumping_enabled_locked())
+      return;
+
+   if(!state) {
+      trace_dump_null();
+      return;
+   }
+
+   trace_dump_struct_begin("pipe_constant_buffer");
+   trace_dump_member(ptr, state, buffer);
+   trace_dump_member(uint, state, buffer_offset);
+   trace_dump_member(uint, state, buffer_size);
+   trace_dump_struct_end();
+}
+
+
 void trace_dump_draw_info(const struct pipe_draw_info *state)
 {
    if (!trace_dumping_enabled_locked())

src/gallium/drivers/trace/tr_dump_state.h

@@ -79,6 +79,8 @@ void trace_dump_index_buffer(const struct pipe_index_buffer *state);
 
 void trace_dump_vertex_element(const struct pipe_vertex_element *state);
 
+void trace_dump_constant_buffer(const struct pipe_constant_buffer *state);
+
 void trace_dump_draw_info(const struct pipe_draw_info *state);
 
 void trace_dump_blit_info(const struct pipe_blit_info *);