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r600g: fix crash while binding a NULL constant buffer

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This commit is contained in:
Marek Olšák 2013-03-21 19:29:29 +01:00
parent 53228fe2a8
commit a2378daf83
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/r600/r600_state_common.c
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@ -926,7 +926,7 @@ static void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint
/* Note that the state tracker can unbind constant buffers by
* passing NULL here.
*/
if (unlikely(!input)) {
if (unlikely(!input || (!input->buffer && !input->user_buffer))) {
state->enabled_mask &= ~(1 << index);
state->dirty_mask &= ~(1 << index);
pipe_resource_reference(&state->cb[index].buffer, NULL);