image.h File Reference

Go to the source code of this file.

Classes
struct	CCL_NAMESPACE_BEGIN::TextureInterpolator< TexT, OutT >

Namespaces
namespace	CCL_NAMESPACE_BEGIN

Macros
#define	SET_CUBIC_SPLINE_WEIGHTS(u, t)
#define	DATA(x, y, z)   (read(data, xc[x], yc[y], zc[z], width, height, depth))
#define	COL_TERM(col, row)
#define	ROW_TERM(row)    (w[row] * (COL_TERM(0, row) + COL_TERM(1, row) + COL_TERM(2, row) + COL_TERM(3, row)))
#define	DATA(x, y)   (read_clip(data, xc[x], yc[y], width, height))
#define	TERM(col)

Functions
ccl_device_inline float	CCL_NAMESPACE_BEGIN::frac (float x, int *ix)
ccl_device float4	CCL_NAMESPACE_BEGIN::kernel_tex_image_interp (KernelGlobals kg, int id, float x, float y)
ccl_device float4	CCL_NAMESPACE_BEGIN::kernel_tex_image_interp_3d (KernelGlobals kg, int id, float3 P, InterpolationType interp)

Macro Definition Documentation

COL_TERM

#define COL_TERM	(		col,
			row )

Value:

  (v[col] * (u[0] * DATA(0, col, row) + u[1] * DATA(1, col, row) + u[2] * DATA(2, col, row) + \
             u[3] * DATA(3, col, row)))

DATA [1/2]

#define DATA	(		x,
			y )   (read_clip(data, xc[x], yc[y], width, height))

DATA [2/2]

#define DATA	(		x,
			y,
			z )   (read(data, xc[x], yc[y], zc[z], width, height, depth))

ROW_TERM

#define ROW_TERM

(

row

)

(w[row] * (COL_TERM(0, row) + COL_TERM(1, row) + COL_TERM(2, row) + COL_TERM(3, row)))

Referenced by CCL_NAMESPACE_BEGIN::TextureInterpolator< TexT, OutT >::tricubic_lookup().

SET_CUBIC_SPLINE_WEIGHTS

#define SET_CUBIC_SPLINE_WEIGHTS	(		u,
			t )

Value:

  { \
    u[0] = (((-1.0f / 6.0f) * t + 0.5f) * t - 0.5f) * t + (1.0f / 6.0f); \
    u[1] = ((0.5f * t - 1.0f) * t) * t + (2.0f / 3.0f); \
    u[2] = ((-0.5f * t + 0.5f) * t + 0.5f) * t + (1.0f / 6.0f); \
    u[3] = (1.0f / 6.0f) * t * t * t; \
  } \
  (void)0

Definition at line 17 of file cycles/kernel/device/cpu/image.h.

Referenced by CCL_NAMESPACE_BEGIN::TextureInterpolator< TexT, OutT >::interp_cubic(), and CCL_NAMESPACE_BEGIN::TextureInterpolator< TexT, OutT >::tricubic_lookup().

TERM

#define TERM

(

col

)

Value:

  (v[col] * \
   (u[0] * DATA(0, col) + u[1] * DATA(1, col) + u[2] * DATA(2, col) + u[3] * DATA(3, col)))

Referenced by CCL_NAMESPACE_BEGIN::TextureInterpolator< TexT, OutT >::interp_cubic().