Mesa (master): softpipe: make sure that invalid calls to sosettargets don' t crash us
Zack Rusin
zack at kemper.freedesktop.org
Tue Jun 8 20:19:07 UTC 2010
Module: Mesa
Branch: master
Commit: 38b13459be46bb6d243365d93d4e44ccfa370d69
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=38b13459be46bb6d243365d93d4e44ccfa370d69
Author: Zack Rusin <zack at kde.org>
Date: Tue Jun 8 16:18:38 2010 -0400
softpipe: make sure that invalid calls to sosettargets don't crash us
---
src/gallium/drivers/softpipe/sp_state_so.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/softpipe/sp_state_so.c b/src/gallium/drivers/softpipe/sp_state_so.c
index 8bd20cd..27acd3d 100644
--- a/src/gallium/drivers/softpipe/sp_state_so.c
+++ b/src/gallium/drivers/softpipe/sp_state_so.c
@@ -96,6 +96,13 @@ softpipe_set_stream_output_buffers(struct pipe_context *pipe,
void *mapped;
struct softpipe_resource *res = softpipe_resource(buffers[i]);
+ if (!res) {
+ /* the whole call is invalid, bail out */
+ softpipe->so_target.num_buffers = 0;
+ draw_set_mapped_so_buffers(softpipe->draw, map_buffers, 0);
+ return;
+ }
+
softpipe->so_target.buffer[i] = res;
softpipe->so_target.offset[i] = offsets[i];
softpipe->so_target.so_count[i] = 0;
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