diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_tex_coord.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_tex_coord.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_tex_coord.h b/intern/cycles/kernel/svm/svm_tex_coord.h new file mode 100644 index 00000000000..bcf3716ae57 --- /dev/null +++ b/intern/cycles/kernel/svm/svm_tex_coord.h @@ -0,0 +1,170 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +CCL_NAMESPACE_BEGIN + +/* Texture Coordinate Node */ + +__device float3 svm_background_offset(KernelGlobals *kg) +{ + Transform cameratoworld = kernel_data.cam.cameratoworld; + return make_float3(cameratoworld.x.w, cameratoworld.y.w, cameratoworld.z.w); +} + +__device void svm_node_tex_coord(KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset) +{ + float3 data; + + switch(type) { + case NODE_TEXCO_OBJECT: { + if(sd->object != ~0) { + Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_INVERSE_TRANSFORM); + data = transform(&tfm, sd->P); + } + else + data = sd->P; + break; + } + case NODE_TEXCO_CAMERA: { + Transform tfm = kernel_data.cam.worldtocamera; + + if(sd->object != ~0) + data = transform(&tfm, sd->P); + else + data = transform(&tfm, sd->P + svm_background_offset(kg)); + break; + } + case NODE_TEXCO_WINDOW: { + Transform tfm = kernel_data.cam.worldtondc; + + if(sd->object != ~0) + data = transform(&tfm, sd->P); + else + data = transform(&tfm, sd->P + svm_background_offset(kg)); + break; + } + case NODE_TEXCO_REFLECTION: { + if(sd->object != ~0) + data = sd->I - 2.0f*dot(sd->N, sd->I)*sd->N; + else + data = sd->I; + break; + } + } + + stack_store_float3(stack, out_offset, data); +} + +__device void svm_node_tex_coord_bump_dx(KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset) +{ +#ifdef __RAY_DIFFERENTIALS__ + float3 data; + + switch(type) { + case NODE_TEXCO_OBJECT: { + if(sd->object != ~0) { + Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_INVERSE_TRANSFORM); + data = transform(&tfm, sd->P + sd->dP.dx); + } + else + data = sd->P + sd->dP.dx; + break; + } + case NODE_TEXCO_CAMERA: { + Transform tfm = kernel_data.cam.worldtocamera; + + if(sd->object != ~0) + data = transform(&tfm, sd->P + sd->dP.dx); + else + data = transform(&tfm, sd->P + sd->dP.dx + svm_background_offset(kg)); + break; + } + case NODE_TEXCO_WINDOW: { + Transform tfm = kernel_data.cam.worldtondc; + + if(sd->object != ~0) + data = transform(&tfm, sd->P + sd->dP.dx); + else + data = transform(&tfm, sd->P + sd->dP.dx + svm_background_offset(kg)); + break; + } + case NODE_TEXCO_REFLECTION: { + if(sd->object != ~0) + data = sd->I - 2.0f*dot(sd->N, sd->I)*sd->N; + else + data = sd->I; + break; + } + } + + stack_store_float3(stack, out_offset, data); +#else + svm_node_tex_coord(kg, sd, stack, type, out_offset); +#endif +} + +__device void svm_node_tex_coord_bump_dy(KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset) +{ +#ifdef __RAY_DIFFERENTIALS__ + float3 data; + + switch(type) { + case NODE_TEXCO_OBJECT: { + if(sd->object != ~0) { + Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_INVERSE_TRANSFORM); + data = transform(&tfm, sd->P + sd->dP.dy); + } + else + data = sd->P + sd->dP.dy; + break; + } + case NODE_TEXCO_CAMERA: { + Transform tfm = kernel_data.cam.worldtocamera; + + if(sd->object != ~0) + data = transform(&tfm, sd->P + sd->dP.dy); + else + data = transform(&tfm, sd->P + sd->dP.dy + svm_background_offset(kg)); + break; + } + case NODE_TEXCO_WINDOW: { + Transform tfm = kernel_data.cam.worldtondc; + + if(sd->object != ~0) + data = transform(&tfm, sd->P + sd->dP.dy); + else + data = transform(&tfm, sd->P + sd->dP.dy + svm_background_offset(kg)); + break; + } + case NODE_TEXCO_REFLECTION: { + if(sd->object != ~0) + data = sd->I - 2.0f*dot(sd->N, sd->I)*sd->N; + else + data = sd->I; + break; + } + } + + stack_store_float3(stack, out_offset, data); +#else + svm_node_tex_coord(kg, sd, stack, type, out_offset); +#endif +} + +CCL_NAMESPACE_END + |