[Bf-blender-cvs] [78c2063685c] master: Cycles: support arbitrary number of motion blur steps for cameras.

Brecht Van Lommel noreply at git.blender.org
Sat Mar 10 06:44:04 CET 2018


Commit: 78c2063685cb6e0d0bcb895cf4eb70686455d596
Author: Brecht Van Lommel
Date:   Sat Mar 10 01:36:09 2018 +0100
Branches: master
https://developer.blender.org/rB78c2063685cb6e0d0bcb895cf4eb70686455d596

Cycles: support arbitrary number of motion blur steps for cameras.

===================================================================

M	intern/cycles/blender/addon/ui.py
M	intern/cycles/blender/blender_camera.cpp
M	intern/cycles/kernel/geom/geom_object.h
M	intern/cycles/kernel/kernel_camera.h
M	intern/cycles/kernel/kernel_compat_cpu.h
M	intern/cycles/kernel/kernel_compat_cuda.h
M	intern/cycles/kernel/kernel_compat_opencl.h
M	intern/cycles/kernel/kernel_textures.h
M	intern/cycles/kernel/kernel_types.h
M	intern/cycles/render/camera.cpp
M	intern/cycles/render/camera.h
M	intern/cycles/render/object.cpp
M	intern/cycles/render/scene.cpp
M	intern/cycles/render/scene.h
M	intern/cycles/render/session.cpp
M	intern/cycles/util/util_transform.cpp
M	intern/cycles/util/util_transform.h
M	intern/cycles/util/util_vector.h

===================================================================

diff --git a/intern/cycles/blender/addon/ui.py b/intern/cycles/blender/addon/ui.py
index e3076a8ec2c..707f8756f6f 100644
--- a/intern/cycles/blender/addon/ui.py
+++ b/intern/cycles/blender/addon/ui.py
@@ -809,7 +809,7 @@ class CYCLES_OBJECT_PT_motion_blur(CyclesButtonsPanel, Panel):
     def poll(cls, context):
         ob = context.object
         if CyclesButtonsPanel.poll(context) and ob:
-            if ob.type in {'MESH', 'CURVE', 'CURVE', 'SURFACE', 'FONT', 'META'}:
+            if ob.type in {'MESH', 'CURVE', 'CURVE', 'SURFACE', 'FONT', 'META', 'CAMERA'}:
                 return True
             if ob.dupli_type == 'GROUP' and ob.dupli_group:
                 return True
@@ -841,11 +841,9 @@ class CYCLES_OBJECT_PT_motion_blur(CyclesButtonsPanel, Panel):
         layout.active = (rd.use_motion_blur and cob.use_motion_blur)
 
         row = layout.row()
-        row.prop(cob, "use_deform_motion", text="Deformation")
-
-        sub = row.row()
-        sub.active = cob.use_deform_motion
-        sub.prop(cob, "motion_steps", text="Steps")
+        if ob.type != 'CAMERA':
+            row.prop(cob, "use_deform_motion", text="Deformation")
+        row.prop(cob, "motion_steps", text="Steps")
 
 
 class CYCLES_OBJECT_PT_cycles_settings(CyclesButtonsPanel, Panel):
diff --git a/intern/cycles/blender/blender_camera.cpp b/intern/cycles/blender/blender_camera.cpp
index e5f885c0012..909db8d9449 100644
--- a/intern/cycles/blender/blender_camera.cpp
+++ b/intern/cycles/blender/blender_camera.cpp
@@ -83,6 +83,8 @@ struct BlenderCamera {
 	Transform matrix;
 
 	float offscreen_dicing_scale;
+
+	int motion_steps;
 };
 
 static void blender_camera_init(BlenderCamera *bcam,
@@ -226,6 +228,10 @@ static void blender_camera_from_object(BlenderCamera *bcam,
 			bcam->sensor_fit = BlenderCamera::HORIZONTAL;
 		else
 			bcam->sensor_fit = BlenderCamera::VERTICAL;
+
+		if(object_use_motion(b_ob, b_ob)) {
+			bcam->motion_steps = object_motion_steps(b_ob);
+		}
 	}
 	else {
 		/* from lamp not implemented yet */
@@ -453,9 +459,7 @@ static void blender_camera_sync(Camera *cam,
 	cam->matrix = blender_camera_matrix(bcam->matrix,
 	                                    bcam->type,
 	                                    bcam->panorama_type);
-	cam->motion.pre = cam->matrix;
-	cam->motion.post = cam->matrix;
-	cam->use_motion = false;
+	cam->motion.resize(bcam->motion_steps, cam->matrix);
 	cam->use_perspective_motion = false;
 	cam->shuttertime = bcam->shuttertime;
 	cam->fov_pre = cam->fov;
@@ -564,20 +568,15 @@ void BlenderSync::sync_camera_motion(BL::RenderSettings& b_render,
 	Transform tfm = get_transform(b_ob_matrix);
 	tfm = blender_camera_matrix(tfm, cam->type, cam->panorama_type);
 
-	if(tfm != cam->matrix) {
-		VLOG(1) << "Camera " << b_ob.name() << " motion detected.";
-		if(motion_time == 0.0f) {
-			/* When motion blur is not centered in frame, cam->matrix gets reset. */
-			cam->matrix = tfm;
-		}
-		else if(motion_time == -1.0f) {
-			cam->motion.pre = tfm;
-			cam->use_motion = true;
-		}
-		else if(motion_time == 1.0f) {
-			cam->motion.post = tfm;
-			cam->use_motion = true;
-		}
+	if(motion_time == 0.0f) {
+		/* When motion blur is not centered in frame, cam->matrix gets reset. */
+		cam->matrix = tfm;
+	}
+
+	/* Set transform in motion array. */
+	int motion_step = cam->motion_step(motion_time);
+	if(motion_step >= 0) {
+		cam->motion[motion_step] = tfm;
 	}
 
 	if(cam->type == CAMERA_PERSPECTIVE) {
diff --git a/intern/cycles/kernel/geom/geom_object.h b/intern/cycles/kernel/geom/geom_object.h
index a7191c50e97..67d039e1bc7 100644
--- a/intern/cycles/kernel/geom/geom_object.h
+++ b/intern/cycles/kernel/geom/geom_object.h
@@ -82,7 +82,7 @@ ccl_device_inline Transform object_fetch_transform_motion(KernelGlobals *kg, int
 	const ccl_global DecomposedMotionTransform *motion = &kernel_tex_fetch(__objects, object).tfm;
 
 	Transform tfm;
-	transform_motion_interpolate(&tfm, motion, time);
+	transform_motion_array_interpolate(&tfm, &motion->pre, 3, time);
 
 	return tfm;
 }
diff --git a/intern/cycles/kernel/kernel_camera.h b/intern/cycles/kernel/kernel_camera.h
index a0be0ba6454..b73ad47dad3 100644
--- a/intern/cycles/kernel/kernel_camera.h
+++ b/intern/cycles/kernel/kernel_camera.h
@@ -91,11 +91,12 @@ ccl_device void camera_sample_perspective(KernelGlobals *kg, float raster_x, flo
 	Transform cameratoworld = kernel_data.cam.cameratoworld;
 
 #ifdef __CAMERA_MOTION__
-	if(kernel_data.cam.have_motion) {
-		ccl_constant DecomposedMotionTransform *motion = &kernel_data.cam.motion;
-		transform_motion_interpolate_constant(&cameratoworld,
-		                                      motion,
-		                                      ray->time);
+	if(kernel_data.cam.num_motion_steps) {
+		transform_motion_array_interpolate(
+			&cameratoworld,
+			kernel_tex_array(__camera_motion),
+			kernel_data.cam.num_motion_steps,
+			ray->time);
 	}
 #endif
 
@@ -197,11 +198,12 @@ ccl_device void camera_sample_orthographic(KernelGlobals *kg, float raster_x, fl
 	Transform cameratoworld = kernel_data.cam.cameratoworld;
 
 #ifdef __CAMERA_MOTION__
-	if(kernel_data.cam.have_motion) {
-		ccl_constant DecomposedMotionTransform *motion = &kernel_data.cam.motion;
-		transform_motion_interpolate_constant(&cameratoworld,
-		                                      motion,
-		                                      ray->time);
+	if(kernel_data.cam.num_motion_steps) {
+		transform_motion_array_interpolate(
+			&cameratoworld,
+			kernel_tex_array(__camera_motion),
+			kernel_data.cam.num_motion_steps,
+			ray->time);
 	}
 #endif
 
@@ -227,6 +229,7 @@ ccl_device void camera_sample_orthographic(KernelGlobals *kg, float raster_x, fl
 /* Panorama Camera */
 
 ccl_device_inline void camera_sample_panorama(ccl_constant KernelCamera *cam,
+                                              const ccl_global DecomposedTransform *cam_motion,
                                               float raster_x, float raster_y,
                                               float lens_u, float lens_v,
                                               ccl_addr_space Ray *ray)
@@ -269,11 +272,12 @@ ccl_device_inline void camera_sample_panorama(ccl_constant KernelCamera *cam,
 	Transform cameratoworld = cam->cameratoworld;
 
 #ifdef __CAMERA_MOTION__
-	if(cam->have_motion) {
-		ccl_constant DecomposedMotionTransform *motion = &cam->motion;
-		transform_motion_interpolate_constant(&cameratoworld,
-		                                      motion,
-		                                      ray->time);
+	if(cam->num_motion_steps) {
+		transform_motion_array_interpolate(
+			&cameratoworld,
+			cam_motion,
+			cam->num_motion_steps,
+			ray->time);
 	}
 #endif
 
@@ -392,12 +396,16 @@ ccl_device_inline void camera_sample(KernelGlobals *kg,
 #endif
 
 	/* sample */
-	if(kernel_data.cam.type == CAMERA_PERSPECTIVE)
+	if(kernel_data.cam.type == CAMERA_PERSPECTIVE) {
 		camera_sample_perspective(kg, raster_x, raster_y, lens_u, lens_v, ray);
-	else if(kernel_data.cam.type == CAMERA_ORTHOGRAPHIC)
+	}
+	else if(kernel_data.cam.type == CAMERA_ORTHOGRAPHIC) {
 		camera_sample_orthographic(kg, raster_x, raster_y, lens_u, lens_v, ray);
-	else
-		camera_sample_panorama(&kernel_data.cam, raster_x, raster_y, lens_u, lens_v, ray);
+	}
+	else {
+		const ccl_global DecomposedTransform *cam_motion = kernel_tex_array(__camera_motion);
+		camera_sample_panorama(&kernel_data.cam, cam_motion, raster_x, raster_y, lens_u, lens_v, ray);
+	}
 }
 
 /* Utilities */
diff --git a/intern/cycles/kernel/kernel_compat_cpu.h b/intern/cycles/kernel/kernel_compat_cpu.h
index 61cd90e9d2a..d26b668cb11 100644
--- a/intern/cycles/kernel/kernel_compat_cpu.h
+++ b/intern/cycles/kernel/kernel_compat_cpu.h
@@ -118,6 +118,7 @@ template<typename T> struct texture  {
 #define kernel_tex_fetch_ssef(tex, index) (kg->tex.fetch_ssef(index))
 #define kernel_tex_fetch_ssei(tex, index) (kg->tex.fetch_ssei(index))
 #define kernel_tex_lookup(tex, t, offset, size) (kg->tex.lookup(t, offset, size))
+#define kernel_tex_array(tex) (kg->tex.data)
 
 #define kernel_data (kg->__data)
 
diff --git a/intern/cycles/kernel/kernel_compat_cuda.h b/intern/cycles/kernel/kernel_compat_cuda.h
index 9bd7a572f5f..ac63bcf7ac9 100644
--- a/intern/cycles/kernel/kernel_compat_cuda.h
+++ b/intern/cycles/kernel/kernel_compat_cuda.h
@@ -137,6 +137,7 @@ ccl_device_inline uint ccl_num_groups(uint d)
 
 /* Use arrays for regular data. */
 #define kernel_tex_fetch(t, index) t[(index)]
+#define kernel_tex_array(t) (t)
 
 #define kernel_data __data
 
diff --git a/intern/cycles/kernel/kernel_compat_opencl.h b/intern/cycles/kernel/kernel_compat_opencl.h
index b02e3bc576d..671c47e2225 100644
--- a/intern/cycles/kernel/kernel_compat_opencl.h
+++ b/intern/cycles/kernel/kernel_compat_opencl.h
@@ -144,7 +144,8 @@
 
 /* data lookup defines */
 #define kernel_data (*kg->data)
-#define kernel_tex_fetch(tex, index) ((const ccl_global tex##_t*)(kg->buffers[kg->tex.cl_buffer] + kg->tex.data))[(index)]
+#define kernel_tex_array(tex) ((const ccl_global tex##_t*)(kg->buffers[kg->tex.cl_buffer] + kg->tex.data))
+#define kernel_tex_fetch(tex, index) kernel_tex_array(tex)[(index)]
 
 /* define NULL */
 #define NULL 0
diff --git a/intern/cycles/kernel/kernel_textures.h b/intern/cycles/kernel/kernel_textures.h
index 564b3f0f79c..56de5b27605 100644
--- a/intern/cycles/kernel/kernel_textures.h
+++ b/intern/cycles/kernel/kernel_textures.h
@@ -35,6 +35,9 @@ KERNEL_TEX(KernelObject, __objects)
 KERNEL_TEX(Transform, __object_motion_pass)
 KERNEL_TEX(uint, __object_flag)
 
+/* cameras */
+KERNEL_TEX(DecomposedTransform, __camera_motion)
+
 /* triangles */
 KERNEL_TEX(uint, __tri_shader)
 KERNEL_TEX(float4, __tri_vnormal)
diff --git a/intern/cycles/kernel/kernel_types.h b/intern/cycles/kernel/kernel_types.h
index 6743cc62894..2c3b7ba29a4 100644
--- a/intern/cycles/kernel/kernel_types.h
+++ b/intern/cycles/kernel/kernel_types.h
@@ -1173,7 +1173,7 @@ typedef struct KernelCamera {
 
 	/* motion blur */
 	float shuttertime;
-	int have_motion, have_perspective_motion;
+	int num_motion_steps, have_perspective_motion;
 
 	/* clipping */
 	float nearclip;
@@ -1201,8 +1201,6 @@ typedef struct KernelCamera {
 	ProjectionTransform worldtondc;
 	Transform worldt

@@ Diff output truncated at 10240 characters. @@



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