Cleanup: remove accidentally committed merge files
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ddc6a45a54
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@ -1,698 +0,0 @@
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/*
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* Copyright 2011-2016 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* Functions for retrieving attributes on triangles produced from subdivision meshes */
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CCL_NAMESPACE_BEGIN
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/* Patch index for triangle, -1 if not subdivision triangle */
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ccl_device_inline uint subd_triangle_patch(KernelGlobals *kg, const ShaderData *sd)
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{
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return (sd->prim != PRIM_NONE) ? kernel_tex_fetch(__tri_patch, sd->prim) : ~0;
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}
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/* UV coords of triangle within patch */
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ccl_device_inline void subd_triangle_patch_uv(KernelGlobals *kg,
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const ShaderData *sd,
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float2 uv[3])
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{
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uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);
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uv[0] = kernel_tex_fetch(__tri_patch_uv, tri_vindex.x);
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uv[1] = kernel_tex_fetch(__tri_patch_uv, tri_vindex.y);
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uv[2] = kernel_tex_fetch(__tri_patch_uv, tri_vindex.z);
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}
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/* Vertex indices of patch */
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ccl_device_inline uint4 subd_triangle_patch_indices(KernelGlobals *kg, int patch)
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{
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uint4 indices;
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indices.x = kernel_tex_fetch(__patches, patch + 0);
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indices.y = kernel_tex_fetch(__patches, patch + 1);
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indices.z = kernel_tex_fetch(__patches, patch + 2);
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indices.w = kernel_tex_fetch(__patches, patch + 3);
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return indices;
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}
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/* Originating face for patch */
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ccl_device_inline uint subd_triangle_patch_face(KernelGlobals *kg, int patch)
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{
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return kernel_tex_fetch(__patches, patch + 4);
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}
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/* Number of corners on originating face */
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ccl_device_inline uint subd_triangle_patch_num_corners(KernelGlobals *kg, int patch)
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{
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return kernel_tex_fetch(__patches, patch + 5) & 0xffff;
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}
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/* Indices of the four corners that are used by the patch */
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ccl_device_inline void subd_triangle_patch_corners(KernelGlobals *kg, int patch, int corners[4])
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{
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uint4 data;
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data.x = kernel_tex_fetch(__patches, patch + 4);
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data.y = kernel_tex_fetch(__patches, patch + 5);
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data.z = kernel_tex_fetch(__patches, patch + 6);
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data.w = kernel_tex_fetch(__patches, patch + 7);
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int num_corners = data.y & 0xffff;
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if (num_corners == 4) {
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/* quad */
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corners[0] = data.z;
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corners[1] = data.z + 1;
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corners[2] = data.z + 2;
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corners[3] = data.z + 3;
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}
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else {
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/* ngon */
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int c = data.y >> 16;
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corners[0] = data.z + c;
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corners[1] = data.z + mod(c + 1, num_corners);
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corners[2] = data.w;
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corners[3] = data.z + mod(c - 1, num_corners);
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}
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}
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/* Reading attributes on various subdivision triangle elements */
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ccl_device_noinline float subd_triangle_attribute_float(
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KernelGlobals *kg, const ShaderData *sd, const AttributeDescriptor desc, float *dx, float *dy)
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{
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int patch = subd_triangle_patch(kg, sd);
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#ifdef __PATCH_EVAL__
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if (desc.flags & ATTR_SUBDIVIDED) {
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float2 uv[3];
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subd_triangle_patch_uv(kg, sd, uv);
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float2 dpdu = uv[0] - uv[2];
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float2 dpdv = uv[1] - uv[2];
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/* p is [s, t] */
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float2 p = dpdu * sd->u + dpdv * sd->v + uv[2];
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float a, dads, dadt;
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a = patch_eval_float(kg, sd, desc.offset, patch, p.x, p.y, 0, &dads, &dadt);
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# ifdef __RAY_DIFFERENTIALS__
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if (dx || dy) {
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float dsdu = dpdu.x;
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float dtdu = dpdu.y;
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float dsdv = dpdv.x;
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float dtdv = dpdv.y;
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if (dx) {
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float dudx = sd->du.dx;
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float dvdx = sd->dv.dx;
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float dsdx = dsdu * dudx + dsdv * dvdx;
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float dtdx = dtdu * dudx + dtdv * dvdx;
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*dx = dads * dsdx + dadt * dtdx;
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}
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if (dy) {
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float dudy = sd->du.dy;
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float dvdy = sd->dv.dy;
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float dsdy = dsdu * dudy + dsdv * dvdy;
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float dtdy = dtdu * dudy + dtdv * dvdy;
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*dy = dads * dsdy + dadt * dtdy;
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}
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}
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# endif
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return a;
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}
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else
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#endif /* __PATCH_EVAL__ */
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if (desc.element == ATTR_ELEMENT_FACE) {
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if (dx)
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*dx = 0.0f;
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if (dy)
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*dy = 0.0f;
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return kernel_tex_fetch(__attributes_float, desc.offset + subd_triangle_patch_face(kg, patch));
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}
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else if (desc.element == ATTR_ELEMENT_VERTEX || desc.element == ATTR_ELEMENT_VERTEX_MOTION) {
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float2 uv[3];
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subd_triangle_patch_uv(kg, sd, uv);
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uint4 v = subd_triangle_patch_indices(kg, patch);
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float f0 = kernel_tex_fetch(__attributes_float, desc.offset + v.x);
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float f1 = kernel_tex_fetch(__attributes_float, desc.offset + v.y);
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float f2 = kernel_tex_fetch(__attributes_float, desc.offset + v.z);
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float f3 = kernel_tex_fetch(__attributes_float, desc.offset + v.w);
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if (subd_triangle_patch_num_corners(kg, patch) != 4) {
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f1 = (f1 + f0) * 0.5f;
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f3 = (f3 + f0) * 0.5f;
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}
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float a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
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float b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
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float c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
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#ifdef __RAY_DIFFERENTIALS__
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if (dx)
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*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
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if (dy)
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*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
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#endif
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return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
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}
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else if (desc.element == ATTR_ELEMENT_CORNER) {
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float2 uv[3];
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subd_triangle_patch_uv(kg, sd, uv);
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int corners[4];
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subd_triangle_patch_corners(kg, patch, corners);
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float f0 = kernel_tex_fetch(__attributes_float, corners[0] + desc.offset);
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float f1 = kernel_tex_fetch(__attributes_float, corners[1] + desc.offset);
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float f2 = kernel_tex_fetch(__attributes_float, corners[2] + desc.offset);
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float f3 = kernel_tex_fetch(__attributes_float, corners[3] + desc.offset);
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if (subd_triangle_patch_num_corners(kg, patch) != 4) {
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f1 = (f1 + f0) * 0.5f;
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f3 = (f3 + f0) * 0.5f;
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}
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float a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
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float b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
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float c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
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#ifdef __RAY_DIFFERENTIALS__
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if (dx)
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*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
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if (dy)
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*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
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#endif
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return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
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}
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else if (desc.element == ATTR_ELEMENT_OBJECT || desc.element == ATTR_ELEMENT_MESH) {
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if (dx)
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*dx = 0.0f;
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if (dy)
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*dy = 0.0f;
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return kernel_tex_fetch(__attributes_float, desc.offset);
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}
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else {
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if (dx)
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*dx = 0.0f;
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if (dy)
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*dy = 0.0f;
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return 0.0f;
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}
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}
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ccl_device_noinline float2 subd_triangle_attribute_float2(KernelGlobals *kg,
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const ShaderData *sd,
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const AttributeDescriptor desc,
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float2 *dx,
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float2 *dy)
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{
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int patch = subd_triangle_patch(kg, sd);
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#ifdef __PATCH_EVAL__
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if (desc.flags & ATTR_SUBDIVIDED) {
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float2 uv[3];
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subd_triangle_patch_uv(kg, sd, uv);
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float2 dpdu = uv[0] - uv[2];
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float2 dpdv = uv[1] - uv[2];
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/* p is [s, t] */
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float2 p = dpdu * sd->u + dpdv * sd->v + uv[2];
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float2 a, dads, dadt;
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a = patch_eval_float2(kg, sd, desc.offset, patch, p.x, p.y, 0, &dads, &dadt);
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# ifdef __RAY_DIFFERENTIALS__
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if (dx || dy) {
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float dsdu = dpdu.x;
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float dtdu = dpdu.y;
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float dsdv = dpdv.x;
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float dtdv = dpdv.y;
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if (dx) {
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float dudx = sd->du.dx;
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float dvdx = sd->dv.dx;
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float dsdx = dsdu * dudx + dsdv * dvdx;
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float dtdx = dtdu * dudx + dtdv * dvdx;
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*dx = dads * dsdx + dadt * dtdx;
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}
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if (dy) {
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float dudy = sd->du.dy;
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float dvdy = sd->dv.dy;
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float dsdy = dsdu * dudy + dsdv * dvdy;
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float dtdy = dtdu * dudy + dtdv * dvdy;
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*dy = dads * dsdy + dadt * dtdy;
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}
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}
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# endif
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return a;
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}
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else
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#endif /* __PATCH_EVAL__ */
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if (desc.element == ATTR_ELEMENT_FACE) {
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if (dx)
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*dx = make_float2(0.0f, 0.0f);
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if (dy)
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*dy = make_float2(0.0f, 0.0f);
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return kernel_tex_fetch(__attributes_float2,
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desc.offset + subd_triangle_patch_face(kg, patch));
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}
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else if (desc.element == ATTR_ELEMENT_VERTEX || desc.element == ATTR_ELEMENT_VERTEX_MOTION) {
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float2 uv[3];
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subd_triangle_patch_uv(kg, sd, uv);
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uint4 v = subd_triangle_patch_indices(kg, patch);
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float2 f0 = kernel_tex_fetch(__attributes_float2, desc.offset + v.x);
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float2 f1 = kernel_tex_fetch(__attributes_float2, desc.offset + v.y);
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float2 f2 = kernel_tex_fetch(__attributes_float2, desc.offset + v.z);
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float2 f3 = kernel_tex_fetch(__attributes_float2, desc.offset + v.w);
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if (subd_triangle_patch_num_corners(kg, patch) != 4) {
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f1 = (f1 + f0) * 0.5f;
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f3 = (f3 + f0) * 0.5f;
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}
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float2 a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
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float2 b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
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float2 c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
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#ifdef __RAY_DIFFERENTIALS__
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if (dx)
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*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
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if (dy)
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*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
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#endif
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return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
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}
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else if (desc.element == ATTR_ELEMENT_CORNER) {
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float2 uv[3];
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subd_triangle_patch_uv(kg, sd, uv);
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int corners[4];
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subd_triangle_patch_corners(kg, patch, corners);
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float2 f0, f1, f2, f3;
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f0 = kernel_tex_fetch(__attributes_float2, corners[0] + desc.offset);
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f1 = kernel_tex_fetch(__attributes_float2, corners[1] + desc.offset);
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f2 = kernel_tex_fetch(__attributes_float2, corners[2] + desc.offset);
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f3 = kernel_tex_fetch(__attributes_float2, corners[3] + desc.offset);
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if (subd_triangle_patch_num_corners(kg, patch) != 4) {
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f1 = (f1 + f0) * 0.5f;
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f3 = (f3 + f0) * 0.5f;
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}
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float2 a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
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float2 b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
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float2 c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
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#ifdef __RAY_DIFFERENTIALS__
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if (dx)
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*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
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if (dy)
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*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
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#endif
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return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
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}
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else if (desc.element == ATTR_ELEMENT_OBJECT || desc.element == ATTR_ELEMENT_MESH) {
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if (dx)
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*dx = make_float2(0.0f, 0.0f);
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if (dy)
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*dy = make_float2(0.0f, 0.0f);
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return kernel_tex_fetch(__attributes_float2, desc.offset);
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}
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else {
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if (dx)
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*dx = make_float2(0.0f, 0.0f);
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if (dy)
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*dy = make_float2(0.0f, 0.0f);
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return make_float2(0.0f, 0.0f);
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}
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}
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ccl_device_noinline float3 subd_triangle_attribute_float3(KernelGlobals *kg,
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const ShaderData *sd,
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const AttributeDescriptor desc,
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float3 *dx,
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float3 *dy)
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{
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int patch = subd_triangle_patch(kg, sd);
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#ifdef __PATCH_EVAL__
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if (desc.flags & ATTR_SUBDIVIDED) {
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float2 uv[3];
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subd_triangle_patch_uv(kg, sd, uv);
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float2 dpdu = uv[0] - uv[2];
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float2 dpdv = uv[1] - uv[2];
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/* p is [s, t] */
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float2 p = dpdu * sd->u + dpdv * sd->v + uv[2];
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float3 a, dads, dadt;
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a = patch_eval_float3(kg, sd, desc.offset, patch, p.x, p.y, 0, &dads, &dadt);
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# ifdef __RAY_DIFFERENTIALS__
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if (dx || dy) {
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float dsdu = dpdu.x;
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float dtdu = dpdu.y;
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float dsdv = dpdv.x;
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float dtdv = dpdv.y;
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if (dx) {
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float dudx = sd->du.dx;
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float dvdx = sd->dv.dx;
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float dsdx = dsdu * dudx + dsdv * dvdx;
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float dtdx = dtdu * dudx + dtdv * dvdx;
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*dx = dads * dsdx + dadt * dtdx;
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}
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if (dy) {
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float dudy = sd->du.dy;
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float dvdy = sd->dv.dy;
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float dsdy = dsdu * dudy + dsdv * dvdy;
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float dtdy = dtdu * dudy + dtdv * dvdy;
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*dy = dads * dsdy + dadt * dtdy;
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}
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}
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# endif
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|
||||
return a;
|
||||
}
|
||||
else
|
||||
#endif /* __PATCH_EVAL__ */
|
||||
if (desc.element == ATTR_ELEMENT_FACE) {
|
||||
if (dx)
|
||||
*dx = make_float3(0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float3(0.0f, 0.0f, 0.0f);
|
||||
|
||||
return float4_to_float3(
|
||||
kernel_tex_fetch(__attributes_float3, desc.offset + subd_triangle_patch_face(kg, patch)));
|
||||
}
|
||||
else if (desc.element == ATTR_ELEMENT_VERTEX || desc.element == ATTR_ELEMENT_VERTEX_MOTION) {
|
||||
float2 uv[3];
|
||||
subd_triangle_patch_uv(kg, sd, uv);
|
||||
|
||||
uint4 v = subd_triangle_patch_indices(kg, patch);
|
||||
|
||||
float3 f0 = float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset + v.x));
|
||||
float3 f1 = float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset + v.y));
|
||||
float3 f2 = float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset + v.z));
|
||||
float3 f3 = float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset + v.w));
|
||||
|
||||
if (subd_triangle_patch_num_corners(kg, patch) != 4) {
|
||||
f1 = (f1 + f0) * 0.5f;
|
||||
f3 = (f3 + f0) * 0.5f;
|
||||
}
|
||||
|
||||
float3 a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
|
||||
float3 b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
|
||||
float3 c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
|
||||
#endif
|
||||
|
||||
return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
|
||||
}
|
||||
else if (desc.element == ATTR_ELEMENT_CORNER) {
|
||||
float2 uv[3];
|
||||
subd_triangle_patch_uv(kg, sd, uv);
|
||||
|
||||
int corners[4];
|
||||
subd_triangle_patch_corners(kg, patch, corners);
|
||||
|
||||
float3 f0, f1, f2, f3;
|
||||
|
||||
f0 = float4_to_float3(kernel_tex_fetch(__attributes_float3, corners[0] + desc.offset));
|
||||
f1 = float4_to_float3(kernel_tex_fetch(__attributes_float3, corners[1] + desc.offset));
|
||||
f2 = float4_to_float3(kernel_tex_fetch(__attributes_float3, corners[2] + desc.offset));
|
||||
f3 = float4_to_float3(kernel_tex_fetch(__attributes_float3, corners[3] + desc.offset));
|
||||
|
||||
if (subd_triangle_patch_num_corners(kg, patch) != 4) {
|
||||
f1 = (f1 + f0) * 0.5f;
|
||||
f3 = (f3 + f0) * 0.5f;
|
||||
}
|
||||
|
||||
float3 a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
|
||||
float3 b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
|
||||
float3 c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
|
||||
#endif
|
||||
|
||||
return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
|
||||
}
|
||||
else if (desc.element == ATTR_ELEMENT_OBJECT || desc.element == ATTR_ELEMENT_MESH) {
|
||||
if (dx)
|
||||
*dx = make_float3(0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float3(0.0f, 0.0f, 0.0f);
|
||||
|
||||
return float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset));
|
||||
}
|
||||
else {
|
||||
if (dx)
|
||||
*dx = make_float3(0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float3(0.0f, 0.0f, 0.0f);
|
||||
|
||||
return make_float3(0.0f, 0.0f, 0.0f);
|
||||
}
|
||||
}
|
||||
|
||||
ccl_device_noinline float4 subd_triangle_attribute_float4(KernelGlobals *kg,
|
||||
const ShaderData *sd,
|
||||
const AttributeDescriptor desc,
|
||||
float4 *dx,
|
||||
float4 *dy)
|
||||
{
|
||||
int patch = subd_triangle_patch(kg, sd);
|
||||
|
||||
#ifdef __PATCH_EVAL__
|
||||
if (desc.flags & ATTR_SUBDIVIDED) {
|
||||
float2 uv[3];
|
||||
subd_triangle_patch_uv(kg, sd, uv);
|
||||
|
||||
float2 dpdu = uv[0] - uv[2];
|
||||
float2 dpdv = uv[1] - uv[2];
|
||||
|
||||
/* p is [s, t] */
|
||||
float2 p = dpdu * sd->u + dpdv * sd->v + uv[2];
|
||||
|
||||
float4 a, dads, dadt;
|
||||
if (desc.type == NODE_ATTR_RGBA) {
|
||||
a = patch_eval_uchar4(kg, sd, desc.offset, patch, p.x, p.y, 0, &dads, &dadt);
|
||||
}
|
||||
else {
|
||||
a = patch_eval_float4(kg, sd, desc.offset, patch, p.x, p.y, 0, &dads, &dadt);
|
||||
}
|
||||
|
||||
# ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx || dy) {
|
||||
float dsdu = dpdu.x;
|
||||
float dtdu = dpdu.y;
|
||||
float dsdv = dpdv.x;
|
||||
float dtdv = dpdv.y;
|
||||
|
||||
if (dx) {
|
||||
float dudx = sd->du.dx;
|
||||
float dvdx = sd->dv.dx;
|
||||
|
||||
float dsdx = dsdu * dudx + dsdv * dvdx;
|
||||
float dtdx = dtdu * dudx + dtdv * dvdx;
|
||||
|
||||
*dx = dads * dsdx + dadt * dtdx;
|
||||
}
|
||||
if (dy) {
|
||||
float dudy = sd->du.dy;
|
||||
float dvdy = sd->dv.dy;
|
||||
|
||||
float dsdy = dsdu * dudy + dsdv * dvdy;
|
||||
float dtdy = dtdu * dudy + dtdv * dvdy;
|
||||
|
||||
*dy = dads * dsdy + dadt * dtdy;
|
||||
}
|
||||
}
|
||||
# endif
|
||||
|
||||
return a;
|
||||
}
|
||||
else
|
||||
#endif /* __PATCH_EVAL__ */
|
||||
if (desc.element == ATTR_ELEMENT_FACE) {
|
||||
if (dx)
|
||||
*dx = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
return kernel_tex_fetch(__attributes_float3,
|
||||
desc.offset + subd_triangle_patch_face(kg, patch));
|
||||
}
|
||||
else if (desc.element == ATTR_ELEMENT_VERTEX || desc.element == ATTR_ELEMENT_VERTEX_MOTION) {
|
||||
float2 uv[3];
|
||||
subd_triangle_patch_uv(kg, sd, uv);
|
||||
|
||||
uint4 v = subd_triangle_patch_indices(kg, patch);
|
||||
|
||||
float4 f0 = kernel_tex_fetch(__attributes_float3, desc.offset + v.x);
|
||||
float4 f1 = kernel_tex_fetch(__attributes_float3, desc.offset + v.y);
|
||||
float4 f2 = kernel_tex_fetch(__attributes_float3, desc.offset + v.z);
|
||||
float4 f3 = kernel_tex_fetch(__attributes_float3, desc.offset + v.w);
|
||||
|
||||
if (subd_triangle_patch_num_corners(kg, patch) != 4) {
|
||||
f1 = (f1 + f0) * 0.5f;
|
||||
f3 = (f3 + f0) * 0.5f;
|
||||
}
|
||||
|
||||
float4 a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
|
||||
float4 b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
|
||||
float4 c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
|
||||
#endif
|
||||
|
||||
return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
|
||||
}
|
||||
else if (desc.element == ATTR_ELEMENT_CORNER || desc.element == ATTR_ELEMENT_CORNER_BYTE) {
|
||||
float2 uv[3];
|
||||
subd_triangle_patch_uv(kg, sd, uv);
|
||||
|
||||
int corners[4];
|
||||
subd_triangle_patch_corners(kg, patch, corners);
|
||||
|
||||
<<<<<<< HEAD
|
||||
float4 f0, f1, f2, f3;
|
||||
|
||||
if (desc.element == ATTR_ELEMENT_CORNER_BYTE) {
|
||||
f0 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[0] + desc.offset)));
|
||||
f1 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[1] + desc.offset)));
|
||||
f2 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[2] + desc.offset)));
|
||||
f3 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[3] + desc.offset)));
|
||||
}
|
||||
else {
|
||||
f0 = kernel_tex_fetch(__attributes_float3, corners[0] + desc.offset);
|
||||
f1 = kernel_tex_fetch(__attributes_float3, corners[1] + desc.offset);
|
||||
f2 = kernel_tex_fetch(__attributes_float3, corners[2] + desc.offset);
|
||||
f3 = kernel_tex_fetch(__attributes_float3, corners[3] + desc.offset);
|
||||
}
|
||||
=======
|
||||
float4 f0 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[0] + desc.offset)));
|
||||
float4 f1 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[1] + desc.offset)));
|
||||
float4 f2 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[2] + desc.offset)));
|
||||
float4 f3 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, corners[3] + desc.offset)));
|
||||
>>>>>>> blender-v2.91-release
|
||||
|
||||
if (subd_triangle_patch_num_corners(kg, patch) != 4) {
|
||||
f1 = (f1 + f0) * 0.5f;
|
||||
f3 = (f3 + f0) * 0.5f;
|
||||
}
|
||||
|
||||
float4 a = mix(mix(f0, f1, uv[0].x), mix(f3, f2, uv[0].x), uv[0].y);
|
||||
float4 b = mix(mix(f0, f1, uv[1].x), mix(f3, f2, uv[1].x), uv[1].y);
|
||||
float4 c = mix(mix(f0, f1, uv[2].x), mix(f3, f2, uv[2].x), uv[2].y);
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * a + sd->dv.dx * b - (sd->du.dx + sd->dv.dx) * c;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * a + sd->dv.dy * b - (sd->du.dy + sd->dv.dy) * c;
|
||||
#endif
|
||||
|
||||
return sd->u * a + sd->v * b + (1.0f - sd->u - sd->v) * c;
|
||||
}
|
||||
else if (desc.element == ATTR_ELEMENT_OBJECT || desc.element == ATTR_ELEMENT_MESH) {
|
||||
if (dx)
|
||||
*dx = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
<<<<<<< HEAD
|
||||
return kernel_tex_fetch(__attributes_float3, desc.offset);
|
||||
=======
|
||||
return color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, desc.offset)));
|
||||
>>>>>>> blender-v2.91-release
|
||||
}
|
||||
else {
|
||||
if (dx)
|
||||
*dx = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
return make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
}
|
||||
}
|
||||
|
||||
CCL_NAMESPACE_END
|
||||
|
|
@ -1,348 +0,0 @@
|
|||
/*
|
||||
* Copyright 2011-2013 Blender Foundation
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/* Triangle Primitive
|
||||
*
|
||||
* Basic triangle with 3 vertices is used to represent mesh surfaces. For BVH
|
||||
* ray intersection we use a precomputed triangle storage to accelerate
|
||||
* intersection at the cost of more memory usage */
|
||||
|
||||
CCL_NAMESPACE_BEGIN
|
||||
|
||||
/* normal on triangle */
|
||||
ccl_device_inline float3 triangle_normal(KernelGlobals *kg, ShaderData *sd)
|
||||
{
|
||||
/* load triangle vertices */
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);
|
||||
const float3 v0 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 0));
|
||||
const float3 v1 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 1));
|
||||
const float3 v2 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 2));
|
||||
|
||||
/* return normal */
|
||||
if (sd->object_flag & SD_OBJECT_NEGATIVE_SCALE_APPLIED) {
|
||||
return normalize(cross(v2 - v0, v1 - v0));
|
||||
}
|
||||
else {
|
||||
return normalize(cross(v1 - v0, v2 - v0));
|
||||
}
|
||||
}
|
||||
|
||||
/* point and normal on triangle */
|
||||
ccl_device_inline void triangle_point_normal(
|
||||
KernelGlobals *kg, int object, int prim, float u, float v, float3 *P, float3 *Ng, int *shader)
|
||||
{
|
||||
/* load triangle vertices */
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim);
|
||||
float3 v0 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 0));
|
||||
float3 v1 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 1));
|
||||
float3 v2 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 2));
|
||||
/* compute point */
|
||||
float t = 1.0f - u - v;
|
||||
*P = (u * v0 + v * v1 + t * v2);
|
||||
/* get object flags */
|
||||
int object_flag = kernel_tex_fetch(__object_flag, object);
|
||||
/* compute normal */
|
||||
if (object_flag & SD_OBJECT_NEGATIVE_SCALE_APPLIED) {
|
||||
*Ng = normalize(cross(v2 - v0, v1 - v0));
|
||||
}
|
||||
else {
|
||||
*Ng = normalize(cross(v1 - v0, v2 - v0));
|
||||
}
|
||||
/* shader`*/
|
||||
*shader = kernel_tex_fetch(__tri_shader, prim);
|
||||
}
|
||||
|
||||
/* Triangle vertex locations */
|
||||
|
||||
ccl_device_inline void triangle_vertices(KernelGlobals *kg, int prim, float3 P[3])
|
||||
{
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim);
|
||||
P[0] = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 0));
|
||||
P[1] = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 1));
|
||||
P[2] = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 2));
|
||||
}
|
||||
|
||||
/* Interpolate smooth vertex normal from vertices */
|
||||
|
||||
ccl_device_inline float3
|
||||
triangle_smooth_normal(KernelGlobals *kg, float3 Ng, int prim, float u, float v)
|
||||
{
|
||||
/* load triangle vertices */
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim);
|
||||
float3 n0 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, tri_vindex.x));
|
||||
float3 n1 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, tri_vindex.y));
|
||||
float3 n2 = float4_to_float3(kernel_tex_fetch(__tri_vnormal, tri_vindex.z));
|
||||
|
||||
float3 N = safe_normalize((1.0f - u - v) * n2 + u * n0 + v * n1);
|
||||
|
||||
return is_zero(N) ? Ng : N;
|
||||
}
|
||||
|
||||
/* Ray differentials on triangle */
|
||||
|
||||
ccl_device_inline void triangle_dPdudv(KernelGlobals *kg,
|
||||
int prim,
|
||||
ccl_addr_space float3 *dPdu,
|
||||
ccl_addr_space float3 *dPdv)
|
||||
{
|
||||
/* fetch triangle vertex coordinates */
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, prim);
|
||||
const float3 p0 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 0));
|
||||
const float3 p1 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 1));
|
||||
const float3 p2 = float4_to_float3(kernel_tex_fetch(__prim_tri_verts, tri_vindex.w + 2));
|
||||
|
||||
/* compute derivatives of P w.r.t. uv */
|
||||
*dPdu = (p0 - p2);
|
||||
*dPdv = (p1 - p2);
|
||||
}
|
||||
|
||||
/* Reading attributes on various triangle elements */
|
||||
|
||||
ccl_device float triangle_attribute_float(
|
||||
KernelGlobals *kg, const ShaderData *sd, const AttributeDescriptor desc, float *dx, float *dy)
|
||||
{
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION | ATTR_ELEMENT_CORNER)) {
|
||||
float f0, f1, f2;
|
||||
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION)) {
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);
|
||||
f0 = kernel_tex_fetch(__attributes_float, desc.offset + tri_vindex.x);
|
||||
f1 = kernel_tex_fetch(__attributes_float, desc.offset + tri_vindex.y);
|
||||
f2 = kernel_tex_fetch(__attributes_float, desc.offset + tri_vindex.z);
|
||||
}
|
||||
else {
|
||||
const int tri = desc.offset + sd->prim * 3;
|
||||
f0 = kernel_tex_fetch(__attributes_float, tri + 0);
|
||||
f1 = kernel_tex_fetch(__attributes_float, tri + 1);
|
||||
f2 = kernel_tex_fetch(__attributes_float, tri + 2);
|
||||
}
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * f0 + sd->dv.dx * f1 - (sd->du.dx + sd->dv.dx) * f2;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * f0 + sd->dv.dy * f1 - (sd->du.dy + sd->dv.dy) * f2;
|
||||
#endif
|
||||
|
||||
return sd->u * f0 + sd->v * f1 + (1.0f - sd->u - sd->v) * f2;
|
||||
}
|
||||
else {
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = 0.0f;
|
||||
if (dy)
|
||||
*dy = 0.0f;
|
||||
#endif
|
||||
|
||||
if (desc.element & (ATTR_ELEMENT_FACE | ATTR_ELEMENT_OBJECT | ATTR_ELEMENT_MESH)) {
|
||||
const int offset = (desc.element == ATTR_ELEMENT_FACE) ? desc.offset + sd->prim :
|
||||
desc.offset;
|
||||
return kernel_tex_fetch(__attributes_float, offset);
|
||||
}
|
||||
else {
|
||||
return 0.0f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ccl_device float2 triangle_attribute_float2(KernelGlobals *kg,
|
||||
const ShaderData *sd,
|
||||
const AttributeDescriptor desc,
|
||||
float2 *dx,
|
||||
float2 *dy)
|
||||
{
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION | ATTR_ELEMENT_CORNER)) {
|
||||
float2 f0, f1, f2;
|
||||
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION)) {
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);
|
||||
f0 = kernel_tex_fetch(__attributes_float2, desc.offset + tri_vindex.x);
|
||||
f1 = kernel_tex_fetch(__attributes_float2, desc.offset + tri_vindex.y);
|
||||
f2 = kernel_tex_fetch(__attributes_float2, desc.offset + tri_vindex.z);
|
||||
}
|
||||
else {
|
||||
const int tri = desc.offset + sd->prim * 3;
|
||||
f0 = kernel_tex_fetch(__attributes_float2, tri + 0);
|
||||
f1 = kernel_tex_fetch(__attributes_float2, tri + 1);
|
||||
f2 = kernel_tex_fetch(__attributes_float2, tri + 2);
|
||||
}
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * f0 + sd->dv.dx * f1 - (sd->du.dx + sd->dv.dx) * f2;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * f0 + sd->dv.dy * f1 - (sd->du.dy + sd->dv.dy) * f2;
|
||||
#endif
|
||||
|
||||
return sd->u * f0 + sd->v * f1 + (1.0f - sd->u - sd->v) * f2;
|
||||
}
|
||||
else {
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = make_float2(0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float2(0.0f, 0.0f);
|
||||
#endif
|
||||
|
||||
if (desc.element & (ATTR_ELEMENT_FACE | ATTR_ELEMENT_OBJECT | ATTR_ELEMENT_MESH)) {
|
||||
const int offset = (desc.element == ATTR_ELEMENT_FACE) ? desc.offset + sd->prim :
|
||||
desc.offset;
|
||||
return kernel_tex_fetch(__attributes_float2, offset);
|
||||
}
|
||||
else {
|
||||
return make_float2(0.0f, 0.0f);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ccl_device float3 triangle_attribute_float3(KernelGlobals *kg,
|
||||
const ShaderData *sd,
|
||||
const AttributeDescriptor desc,
|
||||
float3 *dx,
|
||||
float3 *dy)
|
||||
{
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION | ATTR_ELEMENT_CORNER)) {
|
||||
float3 f0, f1, f2;
|
||||
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION)) {
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);
|
||||
f0 = float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset + tri_vindex.x));
|
||||
f1 = float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset + tri_vindex.y));
|
||||
f2 = float4_to_float3(kernel_tex_fetch(__attributes_float3, desc.offset + tri_vindex.z));
|
||||
}
|
||||
else {
|
||||
const int tri = desc.offset + sd->prim * 3;
|
||||
f0 = float4_to_float3(kernel_tex_fetch(__attributes_float3, tri + 0));
|
||||
f1 = float4_to_float3(kernel_tex_fetch(__attributes_float3, tri + 1));
|
||||
f2 = float4_to_float3(kernel_tex_fetch(__attributes_float3, tri + 2));
|
||||
}
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * f0 + sd->dv.dx * f1 - (sd->du.dx + sd->dv.dx) * f2;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * f0 + sd->dv.dy * f1 - (sd->du.dy + sd->dv.dy) * f2;
|
||||
#endif
|
||||
|
||||
return sd->u * f0 + sd->v * f1 + (1.0f - sd->u - sd->v) * f2;
|
||||
}
|
||||
else {
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = make_float3(0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float3(0.0f, 0.0f, 0.0f);
|
||||
#endif
|
||||
|
||||
if (desc.element & (ATTR_ELEMENT_FACE | ATTR_ELEMENT_OBJECT | ATTR_ELEMENT_MESH)) {
|
||||
const int offset = (desc.element == ATTR_ELEMENT_FACE) ? desc.offset + sd->prim :
|
||||
desc.offset;
|
||||
return float4_to_float3(kernel_tex_fetch(__attributes_float3, offset));
|
||||
}
|
||||
else {
|
||||
return make_float3(0.0f, 0.0f, 0.0f);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ccl_device float4 triangle_attribute_float4(KernelGlobals *kg,
|
||||
const ShaderData *sd,
|
||||
const AttributeDescriptor desc,
|
||||
float4 *dx,
|
||||
float4 *dy)
|
||||
{
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION | ATTR_ELEMENT_CORNER |
|
||||
ATTR_ELEMENT_CORNER_BYTE)) {
|
||||
float4 f0, f1, f2;
|
||||
|
||||
<<<<<<< HEAD
|
||||
if (desc.element & (ATTR_ELEMENT_VERTEX | ATTR_ELEMENT_VERTEX_MOTION)) {
|
||||
const uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);
|
||||
=======
|
||||
if (desc.element == ATTR_ELEMENT_CORNER_BYTE) {
|
||||
int tri = desc.offset + sd->prim * 3;
|
||||
f0 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, tri + 0)));
|
||||
f1 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, tri + 1)));
|
||||
f2 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, tri + 2)));
|
||||
}
|
||||
else {
|
||||
uint4 tri_vindex = kernel_tex_fetch(__tri_vindex, sd->prim);
|
||||
>>>>>>> blender-v2.91-release
|
||||
f0 = kernel_tex_fetch(__attributes_float3, desc.offset + tri_vindex.x);
|
||||
f1 = kernel_tex_fetch(__attributes_float3, desc.offset + tri_vindex.y);
|
||||
f2 = kernel_tex_fetch(__attributes_float3, desc.offset + tri_vindex.z);
|
||||
}
|
||||
else {
|
||||
const int tri = desc.offset + sd->prim * 3;
|
||||
if (desc.element == ATTR_ELEMENT_CORNER) {
|
||||
f0 = kernel_tex_fetch(__attributes_float3, tri + 0);
|
||||
f1 = kernel_tex_fetch(__attributes_float3, tri + 1);
|
||||
f2 = kernel_tex_fetch(__attributes_float3, tri + 2);
|
||||
}
|
||||
else {
|
||||
f0 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, tri + 0)));
|
||||
f1 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, tri + 1)));
|
||||
f2 = color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, tri + 2)));
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = sd->du.dx * f0 + sd->dv.dx * f1 - (sd->du.dx + sd->dv.dx) * f2;
|
||||
if (dy)
|
||||
*dy = sd->du.dy * f0 + sd->dv.dy * f1 - (sd->du.dy + sd->dv.dy) * f2;
|
||||
#endif
|
||||
|
||||
return sd->u * f0 + sd->v * f1 + (1.0f - sd->u - sd->v) * f2;
|
||||
}
|
||||
<<<<<<< HEAD
|
||||
=======
|
||||
else if (desc.element == ATTR_ELEMENT_OBJECT || desc.element == ATTR_ELEMENT_MESH) {
|
||||
if (dx)
|
||||
*dx = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
return color_srgb_to_linear_v4(
|
||||
color_uchar4_to_float4(kernel_tex_fetch(__attributes_uchar4, desc.offset)));
|
||||
}
|
||||
>>>>>>> blender-v2.91-release
|
||||
else {
|
||||
#ifdef __RAY_DIFFERENTIALS__
|
||||
if (dx)
|
||||
*dx = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
if (dy)
|
||||
*dy = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
#endif
|
||||
|
||||
if (desc.element & (ATTR_ELEMENT_FACE | ATTR_ELEMENT_OBJECT | ATTR_ELEMENT_MESH)) {
|
||||
const int offset = (desc.element == ATTR_ELEMENT_FACE) ? desc.offset + sd->prim :
|
||||
desc.offset;
|
||||
return kernel_tex_fetch(__attributes_float3, offset);
|
||||
}
|
||||
else {
|
||||
return make_float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
CCL_NAMESPACE_END
|
||||
Loading…
Reference in New Issue