forked from bartvdbraak/blender
Fix/workaround #31987: sample as lamp for environment textures not working
with multi GPU when resolution > 128.
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@ -67,6 +67,8 @@ static void dump_background_pixels(Device *device, DeviceScene *dscene, int res,
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main_task.shader_x = 0;
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main_task.shader_w = width*height;
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/* disabled splitting for now, there's an issue with multi-GPU mem_copy_from */
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#if 0
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list<DeviceTask> split_tasks;
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main_task.split_max_size(split_tasks, 128*128);
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@ -74,6 +76,10 @@ static void dump_background_pixels(Device *device, DeviceScene *dscene, int res,
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device->task_add(task);
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device->task_wait();
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}
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#else
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device->task_add(main_task);
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device->task_wait();
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#endif
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device->mem_copy_from(d_output, 0, 1, d_output.size(), sizeof(float4));
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device->mem_free(d_input);
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