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Differential D12888 Diff 43495 intern/cycles/kernel/geom/geom_motion_triangle.h

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intern/cycles/kernel/geom/geom_motion_triangle.h

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#pragma once #pragma once
#include "kernel/bvh/bvh_util.h" #include "kernel/bvh/bvh_util.h"
CCL_NAMESPACE_BEGIN CCL_NAMESPACE_BEGIN
/* Time interpolation of vertex positions and normals */ /* Time interpolation of vertex positions and normals */
ccl_device_inline void motion_triangle_verts_for_step(ccl_global const KernelGlobals *kg, ccl_device_inline void motion_triangle_verts_for_step(KernelGlobals kg,
uint4 tri_vindex, uint4 tri_vindex,
int offset, int offset,
int numverts, int numverts,
int numsteps, int numsteps,
int step, int step,
float3 verts[3]) float3 verts[3])
{ {
if (step == numsteps) { if (step == numsteps) {
Show All 10 Lines else {
offset += step * numverts; offset += step * numverts;
verts[0] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.x)); verts[0] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.x));
verts[1] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.y)); verts[1] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.y));
verts[2] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.z)); verts[2] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.z));
} }
} }
ccl_device_inline void motion_triangle_normals_for_step(ccl_global const KernelGlobals *kg, ccl_device_inline void motion_triangle_normals_for_step(KernelGlobals kg,
uint4 tri_vindex, uint4 tri_vindex,
int offset, int offset,
int numverts, int numverts,
int numsteps, int numsteps,
int step, int step,
float3 normals[3]) float3 normals[3])
{ {
if (step == numsteps) { if (step == numsteps) {
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normals[0] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.x)); normals[0] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.x));
normals[1] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.y)); normals[1] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.y));
normals[2] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.z)); normals[2] = float4_to_float3(kernel_tex_fetch(__attributes_float3, offset + tri_vindex.z));
} }
} }
ccl_device_inline void motion_triangle_vertices( ccl_device_inline void motion_triangle_vertices(
ccl_global const KernelGlobals *kg, int object, int prim, float time, float3 verts[3]) KernelGlobals kg, int object, int prim, float time, float3 verts[3])
{ {
/* get motion info */ /* get motion info */
int numsteps, numverts; int numsteps, numverts;
object_motion_info(kg, object, &numsteps, &numverts, NULL); object_motion_info(kg, object, &numsteps, &numverts, NULL);
/* figure out which steps we need to fetch and their interpolation factor */ /* figure out which steps we need to fetch and their interpolation factor */
int maxstep = numsteps * 2; int maxstep = numsteps * 2;
int step = min((int)(time * maxstep), maxstep - 1); int step = min((int)(time * maxstep), maxstep - 1);
Show All 11 Linesccl_device_inline void motion_triangle_vertices(
motion_triangle_verts_for_step(kg, tri_vindex, offset, numverts, numsteps, step + 1, next_verts); motion_triangle_verts_for_step(kg, tri_vindex, offset, numverts, numsteps, step + 1, next_verts);
/* interpolate between steps */ /* interpolate between steps */
verts[0] = (1.0f - t) * verts[0] + t * next_verts[0]; verts[0] = (1.0f - t) * verts[0] + t * next_verts[0];
verts[1] = (1.0f - t) * verts[1] + t * next_verts[1]; verts[1] = (1.0f - t) * verts[1] + t * next_verts[1];
verts[2] = (1.0f - t) * verts[2] + t * next_verts[2]; verts[2] = (1.0f - t) * verts[2] + t * next_verts[2];
} }
ccl_device_inline float3 motion_triangle_smooth_normal(ccl_global const KernelGlobals *kg, ccl_device_inline float3 motion_triangle_smooth_normal(
float3 Ng, KernelGlobals kg, float3 Ng, int object, int prim, float u, float v, float time)
int object,
int prim,
float u,
float v,
float time)
{ {
/* get motion info */ /* get motion info */
int numsteps, numverts; int numsteps, numverts;
object_motion_info(kg, object, &numsteps, &numverts, NULL); object_motion_info(kg, object, &numsteps, &numverts, NULL);
/* figure out which steps we need to fetch and their interpolation factor */ /* figure out which steps we need to fetch and their interpolation factor */
int maxstep = numsteps * 2; int maxstep = numsteps * 2;
int step = min((int)(time * maxstep), maxstep - 1); int step = min((int)(time * maxstep), maxstep - 1);
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