forked from bartvdbraak/blender
Cycles: Yet another fix for camera in volume
Was an embarrassing glitch in original optimization policy, the for-loops can't be de-duplicated here.
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@ -1013,14 +1013,15 @@ ccl_device void kernel_volume_stack_init(KernelGlobals *kg,
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shader_setup_from_ray(kg, &sd, isect, &volume_ray);
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if(sd.flag & SD_BACKFACING) {
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bool need_add = true;
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for(int i = 0; i < stack_index; ++i) {
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for(int i = 0; i < enclosed_index && need_add; ++i) {
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/* If ray exited the volume and never entered to that volume
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* it means that camera is inside such a volume.
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*/
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if(i < enclosed_index && enclosed_volumes[i] == sd.object) {
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if(enclosed_volumes[i] == sd.object) {
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need_add = false;
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break;
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}
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}
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for(int i = 0; i < stack_index && need_add; ++i) {
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/* Don't add intersections twice. */
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if(stack[i].object == sd.object) {
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need_add = false;
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