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softpipe: make sure that invalid calls to sosettargets don't crash us
author
Zack Rusin
<zack@kde.org>
Tue, 8 Jun 2010 20:18:38 +0000
(16:18 -0400)
committer
Zack Rusin
<zack@kde.org>
Tue, 8 Jun 2010 20:18:38 +0000
(16:18 -0400)
src/gallium/drivers/softpipe/sp_state_so.c
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diff --git
a/src/gallium/drivers/softpipe/sp_state_so.c
b/src/gallium/drivers/softpipe/sp_state_so.c
index
8bd20cd
..
27acd3d
100644
(file)
--- 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;