4 #ifndef __UTIL_COLOR_H__
5 #define __UTIL_COLOR_H__
10 #if !defined(__KERNEL_GPU__) && defined(__KERNEL_SSE2__)
18 return ((val <= 0.0f) ? 0 :
19 ((val > (1.0f - 0.5f / 255.0f)) ? 255 : (
uchar)((255.0f * val) + 0.5f)));
47 return make_float3(
c.x * (1.0f / 255.0f),
c.y * (1.0f / 255.0f),
c.z * (1.0f / 255.0f));
53 c.x * (1.0f / 255.0f),
c.y * (1.0f / 255.0f),
c.z * (1.0f / 255.0f),
c.w * (1.0f / 255.0f));
59 return (
c < 0.0f) ? 0.0f :
c * (1.0f / 12.92f);
61 return powf((
c + 0.055f) * (1.0f / 1.055f), 2.4f);
67 return (
c < 0.0f) ? 0.0f :
c * 12.92f;
69 return 1.055f *
powf(
c, 1.0f / 2.4f) - 0.055f;
74 float cmax, cmin, h, s,
v, cdelta;
93 c = (cmax3 -
rgb) / cdelta;
97 else if (
rgb.y == cmax)
100 h = 4.0f +
c.y -
c.x;
116 float i, f, p, q,
t, h, s,
v;
132 q =
v * (1.0f - (s * f));
133 t =
v * (1.0f - (s * (1.0f - f)));
157 float cmax, cmin, h, s,
l;
161 l =
min(1.0f, (cmax + cmin) / 2.0f);
167 float cdelta = cmax - cmin;
168 s =
l > 0.5f ? cdelta / (2.0f - cmax - cmin) : cdelta / (cmax + cmin);
170 h = (
rgb.y -
rgb.z) / cdelta + (
rgb.y <
rgb.z ? 6.0f : 0.0f);
172 else if (cmax ==
rgb.y) {
173 h = (
rgb.z -
rgb.x) / cdelta + 2.0f;
176 h = (
rgb.x -
rgb.y) / cdelta + 4.0f;
186 float nr, ng, nb, chroma, h, s,
l;
192 nr =
fabsf(h * 6.0f - 3.0f) - 1.0f;
193 ng = 2.0f -
fabsf(h * 6.0f - 2.0f);
194 nb = 2.0f -
fabsf(h * 6.0f - 4.0f);
196 nr =
clamp(nr, 0.0f, 1.0f);
197 nb =
clamp(nb, 0.0f, 1.0f);
198 ng =
clamp(ng, 0.0f, 1.0f);
200 chroma = (1.0f -
fabsf(2.0f *
l - 1.0f)) * s;
202 return make_float3((nr - 0.5f) * chroma +
l, (ng - 0.5f) * chroma +
l, (nb - 0.5f) * chroma +
l);
214 if (
y != 0.0f &&
Y != 0.0f)
215 Z = (1.0f -
x -
y) /
y *
Y;
222 #ifdef __KERNEL_SSE2__
231 template<
unsigned exp,
unsigned e2coeff>
ccl_device_inline ssef fastpow(
const ssef &arg)
234 ret = arg *
cast(ssei(e2coeff));
242 ccl_device_inline ssef improve_5throot_solution(
const ssef &old_result,
const ssef &
x)
244 ssef approx2 = old_result * old_result;
245 ssef approx4 = approx2 * approx2;
246 ssef
t =
x / approx4;
247 ssef summ =
madd(ssef(4.0f), old_result,
t);
248 return summ * ssef(1.0f / 5.0f);
260 ssef
x = fastpow<0x3F4CCCCD, 0x4F55A7FB>(arg);
261 ssef arg2 = arg * arg;
262 ssef arg4 = arg2 * arg2;
265 x = improve_5throot_solution(
x, arg4);
267 x = improve_5throot_solution(
x, arg4);
269 x = improve_5throot_solution(
x, arg4);
276 sseb cmp =
c < ssef(0.04045f);
277 ssef lt =
max(
c * ssef(1.0f / 12.92f), ssef(0.0f));
278 ssef gtebase = (
c + ssef(0.055f)) * ssef(1.0f / 1.055f);
279 ssef gte = fastpow24(gtebase);
280 return select(cmp, lt, gte);
304 #ifdef __KERNEL_SSE2__
_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
_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 y
_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 t
in reality light always falls off quadratically Particle Retrieve the data of the particle that spawned the object for example to give variation to multiple instances of an object Point Retrieve information about points in a point cloud Retrieve the edges of an object as it appears to Cycles topology will always appear triangulated Convert a blackbody temperature to an RGB value Normal Generate a perturbed normal from an RGB normal map image Typically used for faking highly detailed surfaces Generate an OSL shader from a file or text data block Image Sample an image file as a texture Sky Generate a procedural sky texture Noise Generate fractal Perlin noise Wave Generate procedural bands or rings with noise Voronoi Generate Worley noise based on the distance to random points Typically used to generate textures such as or biological cells Brick Generate a procedural texture producing bricks Texture Retrieve multiple types of texture coordinates nTypically used as inputs for texture nodes Vector Convert a or normal between and object coordinate space Combine Create a color from its and value channels Color Retrieve a color or the default fallback if none is specified Separate Split a vector into its X
in reality light always falls off quadratically Particle Retrieve the data of the particle that spawned the object for example to give variation to multiple instances of an object Point Retrieve information about points in a point cloud Retrieve the edges of an object as it appears to Cycles topology will always appear triangulated Convert a blackbody temperature to an RGB value Normal Generate a perturbed normal from an RGB normal map image Typically used for faking highly detailed surfaces Generate an OSL shader from a file or text data block Image Sample an image file as a texture Sky Generate a procedural sky texture Noise Generate fractal Perlin noise Wave Generate procedural bands or rings with noise Voronoi Generate Worley noise based on the distance to random points Typically used to generate textures such as or biological cells Brick Generate a procedural texture producing bricks Texture Retrieve multiple types of texture coordinates nTypically used as inputs for texture nodes Vector Convert a or normal between and object coordinate space Combine Create a color from its and value channels Color Retrieve a color or the default fallback if none is specified Separate Split a vector into its Y
Group Output data from inside of a node group A color picker Mix two input colors RGB to Convert a color s luminance to a grayscale value Generate a normal vector and a dot product Bright Control the brightness and contrast of the input color Vector Map an input vectors to used to fine tune the interpolation of the input Camera Retrieve information about the camera and how it relates to the current shading point s position Clamp a value between a minimum and a maximum Vector Perform vector math operation Invert a color
__forceinline const avxb select(const avxb &m, const avxb &t, const avxb &f)
__forceinline const avxf madd(const avxf &a, const avxf &b, const avxf &c)
Ternary Operators.
ATTR_WARN_UNUSED_RESULT const BMLoop * l
ATTR_WARN_UNUSED_RESULT const BMVert * v
#define ccl_device_inline
#define CCL_NAMESPACE_END
ccl_device_inline float3 one_float3()
ccl_device_inline float3 exp(float3 v)
ccl_device_inline float3 log(float3 v)
T clamp(const T &a, const T &min, const T &max)
static const pxr::TfToken b("b", pxr::TfToken::Immortal)
static const pxr::TfToken g("g", pxr::TfToken::Immortal)
static const pxr::TfToken rgb("rgb", pxr::TfToken::Immortal)
ccl_device float3 hsl_to_rgb(float3 hsl)
ccl_device float color_linear_to_srgb(float c)
ccl_device float3 color_highlight_compress(float3 color, ccl_private float3 *variance)
ccl_device float3 xyY_to_xyz(float x, float y, float Y)
ccl_device_inline float4 color_uchar4_to_float4(uchar4 c)
ccl_device uchar4 color_float4_to_uchar4(float4 c)
ccl_device float3 color_srgb_to_linear_v3(float3 c)
ccl_device float4 color_linear_to_srgb_v4(float4 c)
ccl_device float3 rgb_to_hsv(float3 rgb)
ccl_device float3 color_highlight_uncompress(float3 color)
ccl_device float4 color_srgb_to_linear_v4(float4 c)
ccl_device float3 color_linear_to_srgb_v3(float3 c)
ccl_device float3 hsv_to_rgb(float3 hsv)
ccl_device float color_srgb_to_linear(float c)
ccl_device float3 rgb_to_hsl(float3 rgb)
ccl_device_inline float3 color_byte_to_float(uchar4 c)
ccl_device uchar4 color_float_to_byte(float3 c)
CCL_NAMESPACE_BEGIN ccl_device uchar float_to_byte(float val)
ccl_device_inline float sqr(float a)