diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_tex_coord.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_tex_coord.h | 424 |
1 files changed, 0 insertions, 424 deletions
diff --git a/intern/cycles/kernel/svm/svm_tex_coord.h b/intern/cycles/kernel/svm/svm_tex_coord.h deleted file mode 100644 index fe777eb34c8..00000000000 --- a/intern/cycles/kernel/svm/svm_tex_coord.h +++ /dev/null @@ -1,424 +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. - */ - -#include "kernel/geom/geom.h" -#include "kernel/kernel_camera.h" -#include "kernel/kernel_montecarlo.h" - -CCL_NAMESPACE_BEGIN - -/* Texture Coordinate Node */ - -ccl_device_noinline int svm_node_tex_coord(KernelGlobals kg, - ccl_private ShaderData *sd, - uint32_t path_flag, - ccl_private float *stack, - uint4 node, - int offset) -{ - float3 data; - uint type = node.y; - uint out_offset = node.z; - - switch (type) { - case NODE_TEXCO_OBJECT: { - data = sd->P; - if (node.w == 0) { - if (sd->object != OBJECT_NONE) { - object_inverse_position_transform(kg, sd, &data); - } - } - else { - Transform tfm; - tfm.x = read_node_float(kg, &offset); - tfm.y = read_node_float(kg, &offset); - tfm.z = read_node_float(kg, &offset); - data = transform_point(&tfm, data); - } - break; - } - case NODE_TEXCO_NORMAL: { - data = sd->N; - object_inverse_normal_transform(kg, sd, &data); - break; - } - case NODE_TEXCO_CAMERA: { - Transform tfm = kernel_data.cam.worldtocamera; - - if (sd->object != OBJECT_NONE) - data = transform_point(&tfm, sd->P); - else - data = transform_point(&tfm, sd->P + camera_position(kg)); - break; - } - case NODE_TEXCO_WINDOW: { - if ((path_flag & PATH_RAY_CAMERA) && sd->object == OBJECT_NONE && - kernel_data.cam.type == CAMERA_ORTHOGRAPHIC) - data = camera_world_to_ndc(kg, sd, sd->ray_P); - else - data = camera_world_to_ndc(kg, sd, sd->P); - data.z = 0.0f; - break; - } - case NODE_TEXCO_REFLECTION: { - if (sd->object != OBJECT_NONE) - data = 2.0f * dot(sd->N, sd->I) * sd->N - sd->I; - else - data = sd->I; - break; - } - case NODE_TEXCO_DUPLI_GENERATED: { - data = object_dupli_generated(kg, sd->object); - break; - } - case NODE_TEXCO_DUPLI_UV: { - data = object_dupli_uv(kg, sd->object); - break; - } - case NODE_TEXCO_VOLUME_GENERATED: { - data = sd->P; - -#ifdef __VOLUME__ - if (sd->object != OBJECT_NONE) - data = volume_normalized_position(kg, sd, data); -#endif - break; - } - } - - stack_store_float3(stack, out_offset, data); - return offset; -} - -ccl_device_noinline int svm_node_tex_coord_bump_dx(KernelGlobals kg, - ccl_private ShaderData *sd, - uint32_t path_flag, - ccl_private float *stack, - uint4 node, - int offset) -{ -#ifdef __RAY_DIFFERENTIALS__ - float3 data; - uint type = node.y; - uint out_offset = node.z; - - switch (type) { - case NODE_TEXCO_OBJECT: { - data = sd->P + sd->dP.dx; - if (node.w == 0) { - if (sd->object != OBJECT_NONE) { - object_inverse_position_transform(kg, sd, &data); - } - } - else { - Transform tfm; - tfm.x = read_node_float(kg, &offset); - tfm.y = read_node_float(kg, &offset); - tfm.z = read_node_float(kg, &offset); - data = transform_point(&tfm, data); - } - break; - } - case NODE_TEXCO_NORMAL: { - data = sd->N; - object_inverse_normal_transform(kg, sd, &data); - break; - } - case NODE_TEXCO_CAMERA: { - Transform tfm = kernel_data.cam.worldtocamera; - - if (sd->object != OBJECT_NONE) - data = transform_point(&tfm, sd->P + sd->dP.dx); - else - data = transform_point(&tfm, sd->P + sd->dP.dx + camera_position(kg)); - break; - } - case NODE_TEXCO_WINDOW: { - if ((path_flag & PATH_RAY_CAMERA) && sd->object == OBJECT_NONE && - kernel_data.cam.type == CAMERA_ORTHOGRAPHIC) - data = camera_world_to_ndc(kg, sd, sd->ray_P + make_float3(sd->ray_dP, 0.0f, 0.0f)); - else - data = camera_world_to_ndc(kg, sd, sd->P + sd->dP.dx); - data.z = 0.0f; - break; - } - case NODE_TEXCO_REFLECTION: { - if (sd->object != OBJECT_NONE) - data = 2.0f * dot(sd->N, sd->I) * sd->N - sd->I; - else - data = sd->I; - break; - } - case NODE_TEXCO_DUPLI_GENERATED: { - data = object_dupli_generated(kg, sd->object); - break; - } - case NODE_TEXCO_DUPLI_UV: { - data = object_dupli_uv(kg, sd->object); - break; - } - case NODE_TEXCO_VOLUME_GENERATED: { - data = sd->P + sd->dP.dx; - -# ifdef __VOLUME__ - if (sd->object != OBJECT_NONE) - data = volume_normalized_position(kg, sd, data); -# endif - break; - } - } - - stack_store_float3(stack, out_offset, data); - return offset; -#else - return svm_node_tex_coord(kg, sd, path_flag, stack, node, offset); -#endif -} - -ccl_device_noinline int svm_node_tex_coord_bump_dy(KernelGlobals kg, - ccl_private ShaderData *sd, - uint32_t path_flag, - ccl_private float *stack, - uint4 node, - int offset) -{ -#ifdef __RAY_DIFFERENTIALS__ - float3 data; - uint type = node.y; - uint out_offset = node.z; - - switch (type) { - case NODE_TEXCO_OBJECT: { - data = sd->P + sd->dP.dy; - if (node.w == 0) { - if (sd->object != OBJECT_NONE) { - object_inverse_position_transform(kg, sd, &data); - } - } - else { - Transform tfm; - tfm.x = read_node_float(kg, &offset); - tfm.y = read_node_float(kg, &offset); - tfm.z = read_node_float(kg, &offset); - data = transform_point(&tfm, data); - } - break; - } - case NODE_TEXCO_NORMAL: { - data = sd->N; - object_inverse_normal_transform(kg, sd, &data); - break; - } - case NODE_TEXCO_CAMERA: { - Transform tfm = kernel_data.cam.worldtocamera; - - if (sd->object != OBJECT_NONE) - data = transform_point(&tfm, sd->P + sd->dP.dy); - else - data = transform_point(&tfm, sd->P + sd->dP.dy + camera_position(kg)); - break; - } - case NODE_TEXCO_WINDOW: { - if ((path_flag & PATH_RAY_CAMERA) && sd->object == OBJECT_NONE && - kernel_data.cam.type == CAMERA_ORTHOGRAPHIC) - data = camera_world_to_ndc(kg, sd, sd->ray_P + make_float3(0.0f, sd->ray_dP, 0.0f)); - else - data = camera_world_to_ndc(kg, sd, sd->P + sd->dP.dy); - data.z = 0.0f; - break; - } - case NODE_TEXCO_REFLECTION: { - if (sd->object != OBJECT_NONE) - data = 2.0f * dot(sd->N, sd->I) * sd->N - sd->I; - else - data = sd->I; - break; - } - case NODE_TEXCO_DUPLI_GENERATED: { - data = object_dupli_generated(kg, sd->object); - break; - } - case NODE_TEXCO_DUPLI_UV: { - data = object_dupli_uv(kg, sd->object); - break; - } - case NODE_TEXCO_VOLUME_GENERATED: { - data = sd->P + sd->dP.dy; - -# ifdef __VOLUME__ - if (sd->object != OBJECT_NONE) - data = volume_normalized_position(kg, sd, data); -# endif - break; - } - } - - stack_store_float3(stack, out_offset, data); - return offset; -#else - return svm_node_tex_coord(kg, sd, path_flag, stack, node, offset); -#endif -} - -ccl_device_noinline void svm_node_normal_map(KernelGlobals kg, - ccl_private ShaderData *sd, - ccl_private float *stack, - uint4 node) -{ - uint color_offset, strength_offset, normal_offset, space; - svm_unpack_node_uchar4(node.y, &color_offset, &strength_offset, &normal_offset, &space); - - float3 color = stack_load_float3(stack, color_offset); - color = 2.0f * make_float3(color.x - 0.5f, color.y - 0.5f, color.z - 0.5f); - - bool is_backfacing = (sd->flag & SD_BACKFACING) != 0; - float3 N; - - if (space == NODE_NORMAL_MAP_TANGENT) { - /* tangent space */ - if (sd->object == OBJECT_NONE || (sd->type & PRIMITIVE_ALL_TRIANGLE) == 0) { - /* Fallback to unperturbed normal. */ - stack_store_float3(stack, normal_offset, sd->N); - return; - } - - /* first try to get tangent attribute */ - const AttributeDescriptor attr = find_attribute(kg, sd, node.z); - const AttributeDescriptor attr_sign = find_attribute(kg, sd, node.w); - - if (attr.offset == ATTR_STD_NOT_FOUND || attr_sign.offset == ATTR_STD_NOT_FOUND) { - /* Fallback to unperturbed normal. */ - stack_store_float3(stack, normal_offset, sd->N); - return; - } - - /* get _unnormalized_ interpolated normal and tangent */ - float3 tangent = primitive_surface_attribute_float3(kg, sd, attr, NULL, NULL); - float sign = primitive_surface_attribute_float(kg, sd, attr_sign, NULL, NULL); - float3 normal; - - if (sd->shader & SHADER_SMOOTH_NORMAL) { - normal = triangle_smooth_normal_unnormalized(kg, sd, sd->Ng, sd->prim, sd->u, sd->v); - } - else { - normal = sd->Ng; - - /* the normal is already inverted, which is too soon for the math here */ - if (is_backfacing) { - normal = -normal; - } - - object_inverse_normal_transform(kg, sd, &normal); - } - - /* apply normal map */ - float3 B = sign * cross(normal, tangent); - N = safe_normalize(color.x * tangent + color.y * B + color.z * normal); - - /* transform to world space */ - object_normal_transform(kg, sd, &N); - } - else { - /* strange blender convention */ - if (space == NODE_NORMAL_MAP_BLENDER_OBJECT || space == NODE_NORMAL_MAP_BLENDER_WORLD) { - color.y = -color.y; - color.z = -color.z; - } - - /* object, world space */ - N = color; - - if (space == NODE_NORMAL_MAP_OBJECT || space == NODE_NORMAL_MAP_BLENDER_OBJECT) - object_normal_transform(kg, sd, &N); - else - N = safe_normalize(N); - } - - /* invert normal for backfacing polygons */ - if (is_backfacing) { - N = -N; - } - - float strength = stack_load_float(stack, strength_offset); - - if (strength != 1.0f) { - strength = max(strength, 0.0f); - N = safe_normalize(sd->N + (N - sd->N) * strength); - } - - if (is_zero(N)) { - N = sd->N; - } - - stack_store_float3(stack, normal_offset, N); -} - -ccl_device_noinline void svm_node_tangent(KernelGlobals kg, - ccl_private ShaderData *sd, - ccl_private float *stack, - uint4 node) -{ - uint tangent_offset, direction_type, axis; - svm_unpack_node_uchar3(node.y, &tangent_offset, &direction_type, &axis); - - float3 tangent; - float3 attribute_value; - const AttributeDescriptor desc = find_attribute(kg, sd, node.z); - if (desc.offset != ATTR_STD_NOT_FOUND) { - if (desc.type == NODE_ATTR_FLOAT2) { - float2 value = primitive_surface_attribute_float2(kg, sd, desc, NULL, NULL); - attribute_value.x = value.x; - attribute_value.y = value.y; - attribute_value.z = 0.0f; - } - else { - attribute_value = primitive_surface_attribute_float3(kg, sd, desc, NULL, NULL); - } - } - - if (direction_type == NODE_TANGENT_UVMAP) { - /* UV map */ - if (desc.offset == ATTR_STD_NOT_FOUND) { - stack_store_float3(stack, tangent_offset, zero_float3()); - return; - } - else { - tangent = attribute_value; - } - } - else { - /* radial */ - float3 generated; - - if (desc.offset == ATTR_STD_NOT_FOUND) - generated = sd->P; - else - generated = attribute_value; - - if (axis == NODE_TANGENT_AXIS_X) - tangent = make_float3(0.0f, -(generated.z - 0.5f), (generated.y - 0.5f)); - else if (axis == NODE_TANGENT_AXIS_Y) - tangent = make_float3(-(generated.z - 0.5f), 0.0f, (generated.x - 0.5f)); - else - tangent = make_float3(-(generated.y - 0.5f), (generated.x - 0.5f), 0.0f); - } - - object_normal_transform(kg, sd, &tangent); - tangent = cross(sd->N, normalize(cross(tangent, sd->N))); - stack_store_float3(stack, tangent_offset, tangent); -} - -CCL_NAMESPACE_END |