[Mesa-dev] [PATCH] r600g: don't leak driver const buffers

[Grazvydas Ignotas]

The buffers are referenced from r600_update_driver_const_buffers()
 -> r600_set_constant_buffer() -> u_upload_data(), but nothing
ever releases the reference. Similar case with driver_consts.
Found using valgrind.

Signed-off-by: Grazvydas Ignotas <notasas at gmail.com>
---
No commit access, if the patch is ok someone please commit it.

 src/gallium/drivers/r600/r600_pipe.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 08fdd36..8abd602 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -68,6 +68,7 @@ static const struct debug_named_value r600_debug_options[] = {
 static void r600_destroy_context(struct pipe_context *context)
 {
 	struct r600_context *rctx = (struct r600_context *)context;
+	unsigned sh;
 
 	r600_isa_destroy(rctx->isa);
 
@@ -76,6 +77,11 @@ static void r600_destroy_context(struct pipe_context *context)
 	pipe_resource_reference((struct pipe_resource**)&rctx->dummy_cmask, NULL);
 	pipe_resource_reference((struct pipe_resource**)&rctx->dummy_fmask, NULL);
 
+	for (sh = 0; sh < PIPE_SHADER_TYPES; sh++) {
+		rctx->b.b.set_constant_buffer(&rctx->b.b, sh, R600_BUFFER_INFO_CONST_BUFFER, NULL);
+		free(rctx->driver_consts[sh].constants);
+	}
+
 	if (rctx->fixed_func_tcs_shader)
 		rctx->b.b.delete_tcs_state(&rctx->b.b, rctx->fixed_func_tcs_shader);
 
-- 
2.7.0.rc3