diff options
author | Dalai Felinto <dfelinto@gmail.com> | 2011-12-03 00:36:13 +0400 |
---|---|---|
committer | Dalai Felinto <dfelinto@gmail.com> | 2011-12-03 00:36:13 +0400 |
commit | 78495ddf326af8b2404b9fd652f2ab4f7836f2c2 (patch) | |
tree | 6f33d7828918b2f8b40d35f5767adbf55cd6ec4b /intern/cycles/kernel/svm/svm_camera.h | |
parent | 1768a96774093a4b0d4674c683b2fb39564f0ad5 (diff) |
CameraData Input Cycles Node
----------------------------
reviewed and approved by Brecht
Important note:
the camera Z is reverted compared to Blender render.
Now it goes from zero (camera) to positive (in front of the camera)
Diffstat (limited to 'intern/cycles/kernel/svm/svm_camera.h')
-rw-r--r-- | intern/cycles/kernel/svm/svm_camera.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_camera.h b/intern/cycles/kernel/svm/svm_camera.h new file mode 100644 index 00000000000..cf161ddcd8c --- /dev/null +++ b/intern/cycles/kernel/svm/svm_camera.h @@ -0,0 +1,43 @@ +/* + * 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 + +__device void svm_node_camera(KernelGlobals *kg, ShaderData *sd, float *stack, uint out_vector, uint out_zdepth, uint out_distance) +{ + float distance; + float zdepth; + float3 vector; + + Transform tfm = kernel_data.cam.worldtocamera; + vector = transform(&tfm, sd->P); + zdepth = vector.z; + distance = len(vector); + + if (stack_valid(out_vector)) + stack_store_float3(stack, out_vector, normalize(vector)); + + if (stack_valid(out_zdepth)) + stack_store_float(stack, out_zdepth, zdepth); + + if (stack_valid(out_distance)) + stack_store_float(stack, out_distance, distance); +} + +CCL_NAMESPACE_END + |