blender/intern/cycles/kernel/kernel_object.h
Brecht Van Lommel b9ce231060 Cycles: relicense GNU GPL source code to Apache version 2.0.
More information in this post:
http://code.blender.org/

Thanks to all contributes for giving their permission!
2013-08-18 14:16:15 +00:00

301 lines
8.3 KiB
C

/*
* 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
*/
CCL_NAMESPACE_BEGIN
enum ObjectTransform {
OBJECT_TRANSFORM = 0,
OBJECT_TRANSFORM_MOTION_PRE = 0,
OBJECT_INVERSE_TRANSFORM = 4,
OBJECT_TRANSFORM_MOTION_POST = 4,
OBJECT_PROPERTIES = 8,
OBJECT_DUPLI = 9
};
enum ObjectVectorTransform {
OBJECT_VECTOR_MOTION_PRE = 0,
OBJECT_VECTOR_MOTION_POST = 3
};
__device_inline Transform object_fetch_transform(KernelGlobals *kg, int object, enum ObjectTransform type)
{
int offset = object*OBJECT_SIZE + (int)type;
Transform tfm;
tfm.x = kernel_tex_fetch(__objects, offset + 0);
tfm.y = kernel_tex_fetch(__objects, offset + 1);
tfm.z = kernel_tex_fetch(__objects, offset + 2);
tfm.w = make_float4(0.0f, 0.0f, 0.0f, 1.0f);
return tfm;
}
__device_inline Transform object_fetch_vector_transform(KernelGlobals *kg, int object, enum ObjectVectorTransform type)
{
int offset = object*OBJECT_VECTOR_SIZE + (int)type;
Transform tfm;
tfm.x = kernel_tex_fetch(__objects_vector, offset + 0);
tfm.y = kernel_tex_fetch(__objects_vector, offset + 1);
tfm.z = kernel_tex_fetch(__objects_vector, offset + 2);
tfm.w = make_float4(0.0f, 0.0f, 0.0f, 1.0f);
return tfm;
}
#ifdef __OBJECT_MOTION__
__device_inline Transform object_fetch_transform_motion(KernelGlobals *kg, int object, float time)
{
DecompMotionTransform motion;
int offset = object*OBJECT_SIZE + (int)OBJECT_TRANSFORM_MOTION_PRE;
motion.mid.x = kernel_tex_fetch(__objects, offset + 0);
motion.mid.y = kernel_tex_fetch(__objects, offset + 1);
motion.mid.z = kernel_tex_fetch(__objects, offset + 2);
motion.mid.w = kernel_tex_fetch(__objects, offset + 3);
motion.pre_x = kernel_tex_fetch(__objects, offset + 4);
motion.pre_y = kernel_tex_fetch(__objects, offset + 5);
motion.post_x = kernel_tex_fetch(__objects, offset + 6);
motion.post_y = kernel_tex_fetch(__objects, offset + 7);
Transform tfm;
transform_motion_interpolate(&tfm, &motion, time);
return tfm;
}
__device_inline Transform object_fetch_transform_motion_test(KernelGlobals *kg, int object, float time, Transform *itfm)
{
int object_flag = kernel_tex_fetch(__object_flag, object);
if(object_flag & SD_OBJECT_MOTION) {
/* if we do motion blur */
Transform tfm = object_fetch_transform_motion(kg, object, time);
if(itfm)
*itfm = transform_quick_inverse(tfm);
return tfm;
}
else {
Transform tfm = object_fetch_transform(kg, object, OBJECT_TRANSFORM);
if(itfm)
*itfm = object_fetch_transform(kg, object, OBJECT_INVERSE_TRANSFORM);
return tfm;
}
}
#endif
__device_inline void object_position_transform(KernelGlobals *kg, ShaderData *sd, float3 *P)
{
#ifdef __OBJECT_MOTION__
*P = transform_point(&sd->ob_tfm, *P);
#else
Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM);
*P = transform_point(&tfm, *P);
#endif
}
__device_inline void object_inverse_position_transform(KernelGlobals *kg, ShaderData *sd, float3 *P)
{
#ifdef __OBJECT_MOTION__
*P = transform_point(&sd->ob_itfm, *P);
#else
Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_INVERSE_TRANSFORM);
*P = transform_point(&tfm, *P);
#endif
}
__device_inline void object_inverse_normal_transform(KernelGlobals *kg, ShaderData *sd, float3 *N)
{
#ifdef __OBJECT_MOTION__
*N = normalize(transform_direction_transposed(&sd->ob_tfm, *N));
#else
Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM);
*N = normalize(transform_direction_transposed(&tfm, *N));
#endif
}
__device_inline void object_normal_transform(KernelGlobals *kg, ShaderData *sd, float3 *N)
{
#ifdef __OBJECT_MOTION__
*N = normalize(transform_direction_transposed(&sd->ob_itfm, *N));
#else
Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_INVERSE_TRANSFORM);
*N = normalize(transform_direction_transposed(&tfm, *N));
#endif
}
__device_inline void object_dir_transform(KernelGlobals *kg, ShaderData *sd, float3 *D)
{
#ifdef __OBJECT_MOTION__
*D = transform_direction(&sd->ob_tfm, *D);
#else
Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM);
*D = transform_direction(&tfm, *D);
#endif
}
__device_inline void object_inverse_dir_transform(KernelGlobals *kg, ShaderData *sd, float3 *D)
{
#ifdef __OBJECT_MOTION__
*D = transform_direction(&sd->ob_itfm, *D);
#else
Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_INVERSE_TRANSFORM);
*D = transform_direction(&tfm, *D);
#endif
}
__device_inline float3 object_location(KernelGlobals *kg, ShaderData *sd)
{
if(sd->object == ~0)
return make_float3(0.0f, 0.0f, 0.0f);
#ifdef __OBJECT_MOTION__
return make_float3(sd->ob_tfm.x.w, sd->ob_tfm.y.w, sd->ob_tfm.z.w);
#else
Transform tfm = object_fetch_transform(kg, sd->object, OBJECT_TRANSFORM);
return make_float3(tfm.x.w, tfm.y.w, tfm.z.w);
#endif
}
__device_inline float object_surface_area(KernelGlobals *kg, int object)
{
int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES;
float4 f = kernel_tex_fetch(__objects, offset);
return f.x;
}
__device_inline float object_pass_id(KernelGlobals *kg, int object)
{
if(object == ~0)
return 0.0f;
int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES;
float4 f = kernel_tex_fetch(__objects, offset);
return f.y;
}
__device_inline float object_random_number(KernelGlobals *kg, int object)
{
if(object == ~0)
return 0.0f;
int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES;
float4 f = kernel_tex_fetch(__objects, offset);
return f.z;
}
__device_inline uint object_particle_id(KernelGlobals *kg, int object)
{
if(object == ~0)
return 0.0f;
int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES;
float4 f = kernel_tex_fetch(__objects, offset);
return __float_as_uint(f.w);
}
__device_inline float3 object_dupli_generated(KernelGlobals *kg, int object)
{
if(object == ~0)
return make_float3(0.0f, 0.0f, 0.0f);
int offset = object*OBJECT_SIZE + OBJECT_DUPLI;
float4 f = kernel_tex_fetch(__objects, offset);
return make_float3(f.x, f.y, f.z);
}
__device_inline float3 object_dupli_uv(KernelGlobals *kg, int object)
{
if(object == ~0)
return make_float3(0.0f, 0.0f, 0.0f);
int offset = object*OBJECT_SIZE + OBJECT_DUPLI;
float4 f = kernel_tex_fetch(__objects, offset + 1);
return make_float3(f.x, f.y, 0.0f);
}
__device int shader_pass_id(KernelGlobals *kg, ShaderData *sd)
{
return kernel_tex_fetch(__shader_flag, (sd->shader & SHADER_MASK)*2 + 1);
}
__device_inline float particle_index(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f = kernel_tex_fetch(__particles, offset + 0);
return f.x;
}
__device float particle_age(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f = kernel_tex_fetch(__particles, offset + 0);
return f.y;
}
__device float particle_lifetime(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f = kernel_tex_fetch(__particles, offset + 0);
return f.z;
}
__device float particle_size(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f = kernel_tex_fetch(__particles, offset + 0);
return f.w;
}
__device float4 particle_rotation(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f = kernel_tex_fetch(__particles, offset + 1);
return f;
}
__device float3 particle_location(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f = kernel_tex_fetch(__particles, offset + 2);
return make_float3(f.x, f.y, f.z);
}
__device float3 particle_velocity(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f2 = kernel_tex_fetch(__particles, offset + 2);
float4 f3 = kernel_tex_fetch(__particles, offset + 3);
return make_float3(f2.w, f3.x, f3.y);
}
__device float3 particle_angular_velocity(KernelGlobals *kg, int particle)
{
int offset = particle*PARTICLE_SIZE;
float4 f3 = kernel_tex_fetch(__particles, offset + 3);
float4 f4 = kernel_tex_fetch(__particles, offset + 4);
return make_float3(f3.z, f3.w, f4.x);
}
CCL_NAMESPACE_END