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softpipe: make sure that invalid calls to sosettargets don't crash us

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This commit is contained in:
Zack Rusin 2010-06-08 16:18:38 -04:00
parent 8744c36ea4
commit 38b13459be
1 changed files with 7 additions and 0 deletions
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7
src/gallium/drivers/softpipe/sp_state_so.c
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@ -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;