gallium: make pipe_context::begin_query return a boolean

GL_AMD_performance_monitor must return an error when a monitoring
session cannot be started.

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Reviewed-by: Martin Peres <[email protected]>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/gallium/drivers/svga/svga_pipe_query.c b/src/gallium/drivers/svga/svga_pipe_query.c
index 756e2b8baf4..a97a9c46cf8 100644
--- a/src/gallium/drivers/svga/svga_pipe_query.c
+++ b/src/gallium/drivers/svga/svga_pipe_query.c
@@ -166,7 +166,7 @@ svga_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
 }
 
 
-static void
+static boolean
 svga_begin_query(struct pipe_context *pipe, struct pipe_query *q)
 {
    struct svga_screen *svgascreen = svga_screen(pipe->screen);
@@ -222,6 +222,7 @@ svga_begin_query(struct pipe_context *pipe, struct pipe_query *q)
    default:
       assert(!"unexpected query type in svga_begin_query()");
    }
+   return true;
 }