blender/intern/cycles/kernel/kernel_object.h
Brecht Van Lommel c8cbe63947 Cycles: fix issues with texture coordinates and object scale. Auto texture
space size and location were outdated often, and already computed on demand
by blender internal, now do that through RNA as well.
2012-05-08 23:39:31 +00:00

139 lines
4.1 KiB
C

/*
* 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
enum ObjectTransform {
OBJECT_TRANSFORM = 0,
OBJECT_INVERSE_TRANSFORM = 3,
OBJECT_PROPERTIES = 6,
OBJECT_TRANSFORM_MOTION_PRE = 8,
OBJECT_TRANSFORM_MOTION_POST = 12
};
__device_inline Transform object_fetch_transform(KernelGlobals *kg, int object, float time, enum ObjectTransform type)
{
Transform tfm;
#ifdef __MOTION__
/* if we do motion blur */
if(sd->flag & SD_OBJECT_MOTION) {
/* fetch motion transforms */
MotionTransform motion;
motion.pre.x = have_motion;
motion.pre.y = kernel_tex_fetch(__objects, offset + 1);
motion.pre.z = kernel_tex_fetch(__objects, offset + 2);
motion.pre.w = kernel_tex_fetch(__objects, offset + 3);
motion.post.x = kernel_tex_fetch(__objects, offset + 4);
motion.post.y = kernel_tex_fetch(__objects, offset + 5);
motion.post.z = kernel_tex_fetch(__objects, offset + 6);
motion.post.w = kernel_tex_fetch(__objects, offset + 7);
/* interpolate (todo: do only once per object) */
transform_motion_interpolate(&tfm, &motion, time);
/* invert */
if(type == OBJECT_INVERSE_TRANSFORM)
tfm = transform_quick_inverse(tfm);
return tfm;
}
#endif
int offset = object*OBJECT_SIZE + (int)type;
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 void object_position_transform(KernelGlobals *kg, ShaderData *sd, float3 *P)
{
#ifdef __MOTION__
*P = transform_point(&sd->ob_tfm, *P);
#else
Transform tfm = object_fetch_transform(kg, sd->object, TIME_INVALID, OBJECT_TRANSFORM);
*P = transform_point(&tfm, *P);
#endif
}
__device_inline void object_inverse_position_transform(KernelGlobals *kg, ShaderData *sd, float3 *P)
{
#ifdef __MOTION__
*P = transform_point(&sd->ob_itfm, *P);
#else
Transform tfm = object_fetch_transform(kg, sd->object, TIME_INVALID, OBJECT_INVERSE_TRANSFORM);
*P = transform_point(&tfm, *P);
#endif
}
__device_inline void object_inverse_normal_transform(KernelGlobals *kg, ShaderData *sd, float3 *N)
{
#ifdef __MOTION__
*N = normalize(transform_direction_transposed(&sd->ob_tfm, *N));
#else
Transform tfm = object_fetch_transform(kg, sd->object, TIME_INVALID, OBJECT_TRANSFORM);
*N = normalize(transform_direction_transposed(&tfm, *N));
#endif
}
__device_inline void object_normal_transform(KernelGlobals *kg, ShaderData *sd, float3 *N)
{
#ifdef __MOTION__
*N = normalize(transform_direction_transposed(&sd->ob_itfm, *N));
#else
Transform tfm = object_fetch_transform(kg, sd->object, TIME_INVALID, OBJECT_INVERSE_TRANSFORM);
*N = normalize(transform_direction_transposed(&tfm, *N));
#endif
}
__device_inline void object_dir_transform(KernelGlobals *kg, ShaderData *sd, float3 *D)
{
#ifdef __MOTION__
*D = transform_direction(&sd->ob_tfm, *D);
#else
Transform tfm = object_fetch_transform(kg, sd->object, 0.0f, OBJECT_TRANSFORM);
*D = transform_direction(&tfm, *D);
#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;
}
CCL_NAMESPACE_END