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llvmpipe: reset so buffers when not appending

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We need to reset the internal state of the so buffers or we'll
keep appending even though we're not supposed to.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
Zack Rusin 2013-03-30 00:21:03 -07:00
parent 7ca65a68e1
commit 246e68735f
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/llvmpipe/lp_state_so.c
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@ -70,6 +70,12 @@ llvmpipe_set_so_targets(struct pipe_context *pipe,
int i;
for (i = 0; i < num_targets; i++) {
pipe_so_target_reference((struct pipe_stream_output_target **)&llvmpipe->so_targets[i], targets[i]);
/* if we're not appending then lets reset the internal
data of our so target */
if (!(append_bitmask & (1 << i)) && llvmpipe->so_targets[i]) {
llvmpipe->so_targets[i]->internal_offset = 0;
llvmpipe->so_targets[i]->emitted_vertices = 0;
}
}
for (; i < llvmpipe->num_so_targets; i++) {