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Fix/workaround #31987: sample as lamp for environment textures not working

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with multi GPU when resolution > 128.
This commit is contained in:
Brecht Van Lommel 2012-10-01 18:31:32 +00:00
parent 8fa211dd81
commit b1f1ee5138
1 changed files with 7 additions and 1 deletions
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8
intern/cycles/render/light.cpp
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@ -67,13 +67,19 @@ static void dump_background_pixels(Device *device, DeviceScene *dscene, int res,
main_task.shader_x = 0;
main_task.shader_w = width*height;
/* disabled splitting for now, there's an issue with multi-GPU mem_copy_from */
#if 0
list<DeviceTask> split_tasks;
main_task.split_max_size(split_tasks, 128*128);
main_task.split_max_size(split_tasks, 128*128);
foreach(DeviceTask& task, split_tasks) {
device->task_add(task);
device->task_wait();
}
#else
device->task_add(main_task);
device->task_wait();
#endif
device->mem_copy_from(d_output, 0, 1, d_output.size(), sizeof(float4));
device->mem_free(d_input);