From ab6a3dd6c150d0842d39e6a09b44b806ae2c53c1 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Wed, 14 Sep 2016 14:58:55 +0200 Subject: Fix T49341: Bad motion blur behavior in Cycles when using Speed effect in Sequencer Cycles was thinking it always rendering integer frame, which is not correct. --- intern/cycles/blender/blender_object.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'intern') diff --git a/intern/cycles/blender/blender_object.cpp b/intern/cycles/blender/blender_object.cpp index f305e8e17cc..f7f77dfb4cb 100644 --- a/intern/cycles/blender/blender_object.cpp +++ b/intern/cycles/blender/blender_object.cpp @@ -698,6 +698,7 @@ void BlenderSync::sync_motion(BL::RenderSettings& b_render, Camera prevcam = *(scene->camera); int frame_center = b_scene.frame_current(); + float subframe_center = b_scene.frame_subframe(); float frame_center_delta = 0.0f; if(scene->need_motion() != Scene::MOTION_PASS && @@ -711,7 +712,7 @@ void BlenderSync::sync_motion(BL::RenderSettings& b_render, assert(scene->camera->motion_position == Camera::MOTION_POSITION_START); frame_center_delta = shuttertime * 0.5f; } - float time = frame_center + frame_center_delta; + float time = frame_center + subframe_center + frame_center_delta; int frame = (int)floorf(time); float subframe = time - frame; python_thread_state_restore(python_thread_state); @@ -734,7 +735,7 @@ void BlenderSync::sync_motion(BL::RenderSettings& b_render, float shuttertime = scene->motion_shutter_time(); /* compute frame and subframe time */ - float time = frame_center + frame_center_delta + relative_time * shuttertime * 0.5f; + float time = frame_center + subframe_center + frame_center_delta + relative_time * shuttertime * 0.5f; int frame = (int)floorf(time); float subframe = time - frame; @@ -759,7 +760,7 @@ void BlenderSync::sync_motion(BL::RenderSettings& b_render, * function assumes it is being executed from python and will * try to save the thread state */ python_thread_state_restore(python_thread_state); - b_engine.frame_set(frame_center, 0.0f); + b_engine.frame_set(frame_center, subframe_center); python_thread_state_save(python_thread_state); /* tag camera for motion update */ -- cgit v1.2.3