forked from bartvdbraak/blender
Fix #32900: object motion blur not working on the GPU. To make this work I disabled motion
blurring of scale animation, probably not a big loss in practice since it's not so common to animate this, can be added back later.
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@ -65,7 +65,7 @@ __device void camera_sample_perspective(KernelGlobals *kg, float raster_x, float
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#ifdef __CAMERA_MOTION__
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if(kernel_data.cam.have_motion)
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transform_motion_interpolate(&cameratoworld, &kernel_data.cam.motion, ray->time);
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transform_motion_interpolate(&cameratoworld, (const DecompMotionTransform*)&kernel_data.cam.motion, ray->time);
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#endif
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ray->P = transform_point(&cameratoworld, ray->P);
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@ -108,7 +108,7 @@ __device void camera_sample_orthographic(KernelGlobals *kg, float raster_x, floa
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#ifdef __CAMERA_MOTION__
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if(kernel_data.cam.have_motion)
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transform_motion_interpolate(&cameratoworld, &kernel_data.cam.motion, ray->time);
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transform_motion_interpolate(&cameratoworld, (const DecompMotionTransform*)&kernel_data.cam.motion, ray->time);
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#endif
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ray->P = transform_point(&cameratoworld, ray->P);
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@ -182,7 +182,7 @@ __device void camera_sample_panorama(KernelGlobals *kg, float raster_x, float ra
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#ifdef __CAMERA_MOTION__
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if(kernel_data.cam.have_motion)
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transform_motion_interpolate(&cameratoworld, &kernel_data.cam.motion, ray->time);
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transform_motion_interpolate(&cameratoworld, (const DecompMotionTransform*)&kernel_data.cam.motion, ray->time);
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#endif
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ray->P = transform_point(&cameratoworld, ray->P);
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@ -23,9 +23,8 @@ enum ObjectTransform {
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OBJECT_INVERSE_TRANSFORM = 3,
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OBJECT_PROPERTIES = 6,
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OBJECT_TRANSFORM_MOTION_PRE = 8,
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OBJECT_TRANSFORM_MOTION_MID = 12,
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OBJECT_TRANSFORM_MOTION_POST = 16,
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OBJECT_DUPLI = 20
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OBJECT_TRANSFORM_MOTION_POST = 12,
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OBJECT_DUPLI = 16
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};
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__device_inline Transform object_fetch_transform(KernelGlobals *kg, int object, enum ObjectTransform type)
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@ -44,24 +43,19 @@ __device_inline Transform object_fetch_transform(KernelGlobals *kg, int object,
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#ifdef __OBJECT_MOTION__
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__device_inline Transform object_fetch_transform_motion(KernelGlobals *kg, int object, float time)
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{
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MotionTransform motion;
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DecompMotionTransform motion;
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int offset = object*OBJECT_SIZE + (int)OBJECT_TRANSFORM_MOTION_PRE;
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motion.pre.x = kernel_tex_fetch(__objects, offset + 0);
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motion.pre.y = kernel_tex_fetch(__objects, offset + 1);
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motion.pre.z = kernel_tex_fetch(__objects, offset + 2);
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motion.pre.w = kernel_tex_fetch(__objects, offset + 3);
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motion.mid.x = kernel_tex_fetch(__objects, offset + 0);
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motion.mid.y = kernel_tex_fetch(__objects, offset + 1);
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motion.mid.z = kernel_tex_fetch(__objects, offset + 2);
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motion.mid.w = kernel_tex_fetch(__objects, offset + 3);
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motion.mid.x = kernel_tex_fetch(__objects, offset + 4);
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motion.mid.y = kernel_tex_fetch(__objects, offset + 5);
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motion.mid.z = kernel_tex_fetch(__objects, offset + 6);
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motion.mid.w = kernel_tex_fetch(__objects, offset + 7);
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motion.post.x = kernel_tex_fetch(__objects, offset + 8);
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motion.post.y = kernel_tex_fetch(__objects, offset + 9);
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motion.post.z = kernel_tex_fetch(__objects, offset + 10);
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motion.post.w = kernel_tex_fetch(__objects, offset + 11);
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motion.pre_x = kernel_tex_fetch(__objects, offset + 4);
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motion.pre_y = kernel_tex_fetch(__objects, offset + 5);
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motion.post_x = kernel_tex_fetch(__objects, offset + 6);
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motion.post_y = kernel_tex_fetch(__objects, offset + 7);
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Transform tfm;
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transform_motion_interpolate(&tfm, &motion, time);
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@ -29,7 +29,7 @@
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CCL_NAMESPACE_BEGIN
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/* constants */
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#define OBJECT_SIZE 22
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#define OBJECT_SIZE 18
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#define LIGHT_SIZE 4
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#define FILTER_TABLE_SIZE 256
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#define RAMP_TABLE_SIZE 256
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@ -112,13 +112,9 @@ CCL_NAMESPACE_BEGIN
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#define __AO__
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#define __CAMERA_MOTION__
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#define __ANISOTROPIC__
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#ifndef __KERNEL_CUDA__
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#define __OBJECT_MOTION__
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#endif
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#endif
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//#define __SOBOL_FULL_SCREEN__
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/* Shader Evaluation */
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@ -202,7 +202,7 @@ void Camera::device_update(Device *device, DeviceScene *dscene, Scene *scene)
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#ifdef __CAMERA_MOTION__
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else if(need_motion == Scene::MOTION_BLUR) {
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if(use_motion) {
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transform_motion_decompose(&kcam->motion, &motion, &matrix);
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transform_motion_decompose((DecompMotionTransform*)&kcam->motion, &motion, &matrix);
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kcam->have_motion = 1;
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}
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}
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@ -56,7 +56,7 @@ void Object::compute_bounds(bool motion_blur, float shuttertime)
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BoundBox mbounds = mesh->bounds;
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if(motion_blur && use_motion) {
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MotionTransform decomp;
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DecompMotionTransform decomp;
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transform_motion_decompose(&decomp, &motion, &tfm);
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bounds = BoundBox::empty;
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@ -222,29 +222,29 @@ void ObjectManager::device_update_transforms(Device *device, DeviceScene *dscene
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mtfm_post = mtfm_post * itfm;
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memcpy(&objects[offset+8], &mtfm_pre, sizeof(float4)*4);
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memcpy(&objects[offset+16], &mtfm_post, sizeof(float4)*4);
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memcpy(&objects[offset+12], &mtfm_post, sizeof(float4)*4);
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}
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#ifdef __OBJECT_MOTION__
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else if(need_motion == Scene::MOTION_BLUR) {
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if(ob->use_motion) {
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/* decompose transformations for interpolation */
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MotionTransform decomp;
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DecompMotionTransform decomp;
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transform_motion_decompose(&decomp, &ob->motion, &ob->tfm);
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memcpy(&objects[offset+8], &decomp, sizeof(float4)*12);
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memcpy(&objects[offset+8], &decomp, sizeof(float4)*8);
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flag |= SD_OBJECT_MOTION;
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have_motion = true;
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}
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else {
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float4 no_motion = make_float4(FLT_MAX);
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memcpy(&objects[offset+8], &no_motion, sizeof(float4)*12);
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memcpy(&objects[offset+8], &no_motion, sizeof(float4)*8);
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}
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}
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#endif
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/* dupli object coords */
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objects[offset+20] = make_float4(ob->dupli_generated[0], ob->dupli_generated[1], ob->dupli_generated[2], 0.0f);
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objects[offset+21] = make_float4(ob->dupli_uv[0], ob->dupli_uv[1], 0.0f, 0.0f);
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objects[offset+16] = make_float4(ob->dupli_generated[0], ob->dupli_generated[1], ob->dupli_generated[2], 0.0f);
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objects[offset+17] = make_float4(ob->dupli_uv[0], ob->dupli_uv[1], 0.0f, 0.0f);
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/* object flag */
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if(ob->use_holdout)
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@ -246,18 +246,30 @@ static void transform_decompose(Transform *decomp, const Transform *tfm)
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decomp->w = make_float4(scale.y.z, scale.z.x, scale.z.y, scale.z.z);
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}
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void transform_motion_decompose(MotionTransform *decomp, const MotionTransform *motion, const Transform *mid)
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void transform_motion_decompose(DecompMotionTransform *decomp, const MotionTransform *motion, const Transform *mid)
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{
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transform_decompose(&decomp->pre, &motion->pre);
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Transform pre, post;
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transform_decompose(&pre, &motion->pre);
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transform_decompose(&decomp->mid, mid);
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transform_decompose(&decomp->post, &motion->post);
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transform_decompose(&post, &motion->post);
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/* ensure rotation around shortest angle, negated quaternions are the same
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* but this means we don't have to do the check in quat_interpolate */
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if(dot(decomp->mid.x, decomp->post.x) < 0.0f)
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if(dot(decomp->mid.x, post.x) < 0.0f)
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decomp->mid.x = -decomp->mid.x;
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if(dot(decomp->pre.x, decomp->mid.x) < 0.0f)
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decomp->pre.x = -decomp->pre.x;
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if(dot(pre.x, decomp->mid.x) < 0.0f)
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pre.x = -pre.x;
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/* drop scale of pre/post */
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pre.y.w = decomp->mid.y.w;
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post.y.w = decomp->mid.y.w;
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/* store translation/rotation part of pre/post */
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decomp->pre_x = pre.x;
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decomp->pre_y = pre.y;
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decomp->post_x = post.x;
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decomp->post_y = post.y;
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}
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CCL_NAMESPACE_END
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@ -41,7 +41,9 @@ typedef struct Transform {
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/* transform decomposed in rotation/translation/scale. we use the same data
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* structure as Transform, and tightly pack decomposition into it. first the
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* rotation (4), then translation (3), then 3x3 scale matrix (9) */
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* rotation (4), then translation (3), then 3x3 scale matrix (9).
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*
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* For the DecompMotionTransform we drop scale from pre/post. */
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typedef struct MotionTransform {
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Transform pre;
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@ -49,6 +51,12 @@ typedef struct MotionTransform {
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Transform post;
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} MotionTransform;
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typedef struct DecompMotionTransform {
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Transform mid;
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float4 pre_x, pre_y;
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float4 post_x, post_y;
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} DecompMotionTransform;
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/* Functions */
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__device_inline float3 transform_perspective(const Transform *t, const float3 a)
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@ -384,7 +392,7 @@ __device_inline void transform_compose(Transform *tfm, const Transform *decomp)
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/* Disabled for now, need arc-length parametrization for constant speed motion.
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* #define CURVED_MOTION_INTERPOLATE */
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__device void transform_motion_interpolate(Transform *tfm, const MotionTransform *motion, float t)
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__device void transform_motion_interpolate(Transform *tfm, const DecompMotionTransform *motion, float t)
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{
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/* possible optimization: is it worth it adding a check to skip scaling?
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* it's probably quite uncommon to have scaling objects. or can we skip
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@ -393,9 +401,9 @@ __device void transform_motion_interpolate(Transform *tfm, const MotionTransform
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#ifdef CURVED_MOTION_INTERPOLATE
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/* 3 point bezier curve interpolation for position */
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float3 Ppre = float4_to_float3(motion->pre.y);
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float3 Ppre = float4_to_float3(motion->pre_y);
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float3 Pmid = float4_to_float3(motion->mid.y);
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float3 Ppost = float4_to_float3(motion->post.y);
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float3 Ppost = float4_to_float3(motion->post_y);
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float3 Pcontrol = 2.0f*Pmid - 0.5f*(Ppre + Ppost);
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float3 P = Ppre*t*t + Pcontrol*2.0f*t*(1.0f - t) + Ppost*(1.0f - t)*(1.0f - t);
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@ -409,28 +417,27 @@ __device void transform_motion_interpolate(Transform *tfm, const MotionTransform
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if(t < 0.5f) {
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t *= 2.0f;
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decomp.x = quat_interpolate(motion->pre.x, motion->mid.x, t);
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decomp.x = quat_interpolate(motion->pre_x, motion->mid.x, t);
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#ifdef CURVED_MOTION_INTERPOLATE
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decomp.y.w = (1.0f - t)*motion->pre.y.w + t*motion->mid.y.w;
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decomp.y.w = (1.0f - t)*motion->pre_y.w + t*motion->mid.y.w;
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#else
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decomp.y = (1.0f - t)*motion->pre.y + t*motion->mid.y;
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decomp.y = (1.0f - t)*motion->pre_y + t*motion->mid.y;
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#endif
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decomp.z = (1.0f - t)*motion->pre.z + t*motion->mid.z;
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decomp.w = (1.0f - t)*motion->pre.w + t*motion->mid.w;
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}
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else {
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t = (t - 0.5f)*2.0f;
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decomp.x = quat_interpolate(motion->mid.x, motion->post.x, t);
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decomp.x = quat_interpolate(motion->mid.x, motion->post_x, t);
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#ifdef CURVED_MOTION_INTERPOLATE
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decomp.y.w = (1.0f - t)*motion->mid.y.w + t*motion->post.y.w;
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decomp.y.w = (1.0f - t)*motion->mid.y.w + t*motion->post_y.w;
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#else
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decomp.y = (1.0f - t)*motion->mid.y + t*motion->post.y;
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decomp.y = (1.0f - t)*motion->mid.y + t*motion->post_y;
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#endif
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decomp.z = (1.0f - t)*motion->mid.z + t*motion->post.z;
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decomp.w = (1.0f - t)*motion->mid.w + t*motion->post.w;
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}
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decomp.z = motion->mid.z;
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decomp.w = motion->mid.w;
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/* compose rotation, translation, scale into matrix */
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transform_compose(tfm, &decomp);
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}
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@ -442,7 +449,7 @@ __device_inline bool operator==(const MotionTransform& A, const MotionTransform&
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return (A.pre == B.pre && A.post == B.post);
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}
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void transform_motion_decompose(MotionTransform *decomp, const MotionTransform *motion, const Transform *mid);
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void transform_motion_decompose(DecompMotionTransform *decomp, const MotionTransform *motion, const Transform *mid);
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#endif
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