gallium: add flush_resource context function

r600g needs explicit flushing before DRI2 buffers are presented on the screen.

v2: add (stub) implementations for all drivers, fix frontbuffer flushing
v3: fix galahad

Signed-off-by: Marek Olšák <[email protected]>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/gallium/drivers/noop/noop_pipe.c b/src/gallium/drivers/noop/noop_pipe.c
index ac837b18fe8..889e95ee76f 100644
--- a/src/gallium/drivers/noop/noop_pipe.c
+++ b/src/gallium/drivers/noop/noop_pipe.c
@@ -238,6 +238,13 @@ static void noop_blit(struct pipe_context *ctx,
 }
 
 
+static void
+noop_flush_resource(struct pipe_context *ctx,
+                    struct pipe_resource *resource)
+{
+}
+
+
 /*
  * context
  */
@@ -267,6 +274,7 @@ static struct pipe_context *noop_create_context(struct pipe_screen *screen, void
 	ctx->clear_depth_stencil = noop_clear_depth_stencil;
 	ctx->resource_copy_region = noop_resource_copy_region;
 	ctx->blit = noop_blit;
+	ctx->flush_resource = noop_flush_resource;
 	ctx->create_query = noop_create_query;
 	ctx->destroy_query = noop_destroy_query;
 	ctx->begin_query = noop_begin_query;