Blender  V3.3
voxel.h
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1 /* SPDX-License-Identifier: Apache-2.0
2  * Copyright 2011-2022 Blender Foundation */
3 
4 #pragma once
5 
7 
8 /* TODO(sergey): Think of making it more generic volume-type attribute
9  * sampler.
10  */
12  KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset)
13 {
14  uint co_offset, density_out_offset, color_out_offset, space;
15  svm_unpack_node_uchar4(node.z, &co_offset, &density_out_offset, &color_out_offset, &space);
16 #ifdef __VOLUME__
17  int id = node.y;
18  float3 co = stack_load_float3(stack, co_offset);
19  if (space == NODE_TEX_VOXEL_SPACE_OBJECT) {
20  co = volume_normalized_position(kg, sd, co);
21  }
22  else {
24  Transform tfm;
25  tfm.x = read_node_float(kg, &offset);
26  tfm.y = read_node_float(kg, &offset);
27  tfm.z = read_node_float(kg, &offset);
28  co = transform_point(&tfm, co);
29  }
30 
32 #else
33  float4 r = zero_float4();
34 #endif
35  if (stack_valid(density_out_offset))
36  stack_store_float(stack, density_out_offset, r.w);
37  if (stack_valid(color_out_offset))
38  stack_store_float3(stack, color_out_offset, make_float3(r.x, r.y, r.z));
39  return offset;
40 }
41 
unsigned int uint
Definition: BLI_sys_types.h:67
_GL_VOID GLfloat value _GL_VOID_RET _GL_VOID const GLuint GLboolean *residences _GL_BOOL_RET _GL_VOID GLsizei GLfloat GLfloat GLfloat GLfloat const GLubyte *bitmap _GL_VOID_RET _GL_VOID GLenum const void *lists _GL_VOID_RET _GL_VOID const GLdouble *equation _GL_VOID_RET _GL_VOID GLdouble GLdouble blue _GL_VOID_RET _GL_VOID GLfloat GLfloat blue _GL_VOID_RET _GL_VOID GLint GLint blue _GL_VOID_RET _GL_VOID GLshort GLshort blue _GL_VOID_RET _GL_VOID GLubyte GLubyte blue _GL_VOID_RET _GL_VOID GLuint GLuint blue _GL_VOID_RET _GL_VOID GLushort GLushort blue _GL_VOID_RET _GL_VOID GLbyte GLbyte GLbyte alpha _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble alpha _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat alpha _GL_VOID_RET _GL_VOID GLint GLint GLint alpha _GL_VOID_RET _GL_VOID GLshort GLshort GLshort alpha _GL_VOID_RET _GL_VOID GLubyte GLubyte GLubyte alpha _GL_VOID_RET _GL_VOID GLuint GLuint GLuint alpha _GL_VOID_RET _GL_VOID GLushort GLushort GLushort alpha _GL_VOID_RET _GL_VOID GLenum mode _GL_VOID_RET _GL_VOID GLint GLsizei GLsizei GLenum type _GL_VOID_RET _GL_VOID GLsizei GLenum GLenum const void *pixels _GL_VOID_RET _GL_VOID const void *pointer _GL_VOID_RET _GL_VOID GLdouble v _GL_VOID_RET _GL_VOID GLfloat v _GL_VOID_RET _GL_VOID GLint GLint i2 _GL_VOID_RET _GL_VOID GLint j _GL_VOID_RET _GL_VOID GLfloat param _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble GLdouble GLdouble zFar _GL_VOID_RET _GL_UINT GLdouble *equation _GL_VOID_RET _GL_VOID GLenum GLint *params _GL_VOID_RET _GL_VOID GLenum GLfloat *v _GL_VOID_RET _GL_VOID GLenum GLfloat *params _GL_VOID_RET _GL_VOID GLfloat *values _GL_VOID_RET _GL_VOID GLushort *values _GL_VOID_RET _GL_VOID GLenum GLfloat *params _GL_VOID_RET _GL_VOID GLenum GLdouble *params _GL_VOID_RET _GL_VOID GLenum GLint *params _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_BOOL GLfloat param _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID GLenum GLfloat param _GL_VOID_RET _GL_VOID GLenum GLint param _GL_VOID_RET _GL_VOID GLushort pattern _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLint const GLdouble *points _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLint GLdouble GLdouble GLint GLint const GLdouble *points _GL_VOID_RET _GL_VOID GLdouble GLdouble u2 _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLdouble GLdouble v2 _GL_VOID_RET _GL_VOID GLenum GLfloat param _GL_VOID_RET _GL_VOID GLenum GLint param _GL_VOID_RET _GL_VOID GLenum mode _GL_VOID_RET _GL_VOID GLdouble GLdouble nz _GL_VOID_RET _GL_VOID GLfloat GLfloat nz _GL_VOID_RET _GL_VOID GLint GLint nz _GL_VOID_RET _GL_VOID GLshort GLshort nz _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_VOID GLsizei const GLfloat *values _GL_VOID_RET _GL_VOID GLsizei const GLushort *values _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID const GLuint const GLclampf *priorities _GL_VOID_RET _GL_VOID GLdouble y _GL_VOID_RET _GL_VOID GLfloat y _GL_VOID_RET _GL_VOID GLint y _GL_VOID_RET _GL_VOID GLshort y _GL_VOID_RET _GL_VOID GLdouble GLdouble z _GL_VOID_RET _GL_VOID GLfloat GLfloat z _GL_VOID_RET _GL_VOID GLint GLint z _GL_VOID_RET _GL_VOID GLshort GLshort z _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble w _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat w _GL_VOID_RET _GL_VOID GLint GLint GLint w _GL_VOID_RET _GL_VOID GLshort GLshort GLshort w _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble y2 _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat y2 _GL_VOID_RET _GL_VOID GLint GLint GLint y2 _GL_VOID_RET _GL_VOID GLshort GLshort GLshort y2 _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble z _GL_VOID_RET _GL_VOID GLdouble GLdouble z _GL_VOID_RET _GL_VOID GLuint *buffer _GL_VOID_RET _GL_VOID GLdouble t _GL_VOID_RET _GL_VOID GLfloat t _GL_VOID_RET _GL_VOID GLint t _GL_VOID_RET _GL_VOID GLshort t _GL_VOID_RET _GL_VOID GLdouble GLdouble r _GL_VOID_RET _GL_VOID GLfloat GLfloat r _GL_VOID_RET _GL_VOID GLint GLint r _GL_VOID_RET _GL_VOID GLshort GLshort r _GL_VOID_RET _GL_VOID GLdouble GLdouble r
float float4[4]
#define kernel_assert(cond)
Definition: cpu/compat.h:34
#define ccl_private
Definition: cuda/compat.h:48
#define ccl_device_noinline
Definition: cuda/compat.h:40
#define CCL_NAMESPACE_END
Definition: cuda/compat.h:9
OperationNode * node
const KernelGlobalsCPU *ccl_restrict KernelGlobals
CCL_NAMESPACE_END CCL_NAMESPACE_BEGIN ccl_device_inline float3 transform_point(ccl_private const Transform *t, const float3 a)
ccl_gpu_kernel_postfix ccl_global float int int int int float bool int offset
ccl_device_inline float4 read_node_float(KernelGlobals kg, ccl_private int *offset)
ccl_device_inline void stack_store_float3(ccl_private float *stack, uint a, float3 f)
CCL_NAMESPACE_BEGIN ccl_device_inline float3 stack_load_float3(ccl_private float *stack, uint a)
ccl_device_inline void stack_store_float(ccl_private float *stack, uint a, float f)
ccl_device_forceinline void svm_unpack_node_uchar4(uint i, ccl_private uint *x, ccl_private uint *y, ccl_private uint *z, ccl_private uint *w)
ccl_device_inline bool stack_valid(uint a)
@ NODE_TEX_VOXEL_SPACE_WORLD
@ NODE_TEX_VOXEL_SPACE_OBJECT
ShaderData
Definition: kernel/types.h:925
ccl_device_inline float4 zero_float4()
Definition: math_float4.h:92
#define make_float3(x, y, z)
Definition: metal/compat.h:204
ccl_device float4 kernel_tex_image_interp_3d(KernelGlobals kg, int id, float3 P, InterpolationType interp)
@ INTERPOLATION_NONE
Definition: util/texture.h:20
CCL_NAMESPACE_BEGIN ccl_device_noinline int svm_node_tex_voxel(KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset)
Definition: voxel.h:11