patch.h File Reference

#include "util/color.h"

Go to the source code of this file.

Classes
struct	PatchHandle

Typedefs
typedef CCL_NAMESPACE_BEGIN struct PatchHandle	PatchHandle

Functions
ccl_device_inline int	patch_map_resolve_quadrant (float median, ccl_private float *u, ccl_private float *v)
ccl_device_inline PatchHandle	patch_map_find_patch (KernelGlobals kg, int object, int patch, float u, float v)
ccl_device_inline void	patch_eval_bspline_weights (float t, ccl_private float *point, ccl_private float *deriv)
ccl_device_inline void	patch_eval_adjust_boundary_weights (uint bits, ccl_private float *s, ccl_private float *t)
ccl_device_inline int	patch_eval_depth (uint patch_bits)
ccl_device_inline float	patch_eval_param_fraction (uint patch_bits)
ccl_device_inline void	patch_eval_normalize_coords (uint patch_bits, ccl_private float *u, ccl_private float *v)
ccl_device_inline int	patch_eval_indices (KernelGlobals kg, ccl_private const PatchHandle *handle, int channel, int indices[PATCH_MAX_CONTROL_VERTS])
ccl_device_inline void	patch_eval_basis (KernelGlobals kg, ccl_private const PatchHandle *handle, float u, float v, float weights[PATCH_MAX_CONTROL_VERTS], float weights_du[PATCH_MAX_CONTROL_VERTS], float weights_dv[PATCH_MAX_CONTROL_VERTS])
ccl_device_inline int	patch_eval_control_verts (KernelGlobals kg, int object, int patch, float u, float v, int channel, int indices[PATCH_MAX_CONTROL_VERTS], float weights[PATCH_MAX_CONTROL_VERTS], float weights_du[PATCH_MAX_CONTROL_VERTS], float weights_dv[PATCH_MAX_CONTROL_VERTS])
ccl_device float	patch_eval_float (KernelGlobals kg, ccl_private const ShaderData *sd, int offset, int patch, float u, float v, int channel, ccl_private float *du, ccl_private float *dv)
ccl_device float2	patch_eval_float2 (KernelGlobals kg, ccl_private const ShaderData *sd, int offset, int patch, float u, float v, int channel, ccl_private float2 *du, ccl_private float2 *dv)
ccl_device float3	patch_eval_float3 (KernelGlobals kg, ccl_private const ShaderData *sd, int offset, int patch, float u, float v, int channel, ccl_private float3 *du, ccl_private float3 *dv)
ccl_device float4	patch_eval_float4 (KernelGlobals kg, ccl_private const ShaderData *sd, int offset, int patch, float u, float v, int channel, ccl_private float4 *du, ccl_private float4 *dv)
ccl_device float4	patch_eval_uchar4 (KernelGlobals kg, ccl_private const ShaderData *sd, int offset, int patch, float u, float v, int channel, ccl_private float4 *du, ccl_private float4 *dv)

Detailed Description

Based on code from OpenSubdiv.

Definition in file kernel/geom/patch.h.

Typedef Documentation

PatchHandle

typedef CCL_NAMESPACE_BEGIN struct PatchHandle PatchHandle

Function Documentation

patch_eval_adjust_boundary_weights()

ccl_device_inline void patch_eval_adjust_boundary_weights	(	uint	bits,
		ccl_private float *	s,
		ccl_private float *	t )

Definition at line 120 of file kernel/geom/patch.h.

Referenced by patch_eval_basis().

patch_eval_basis()

ccl_device_inline void patch_eval_basis	(	KernelGlobals	kg,
		ccl_private const PatchHandle *	handle,
		float	u,
		float	v,
		float	weights[PATCH_MAX_CONTROL_VERTS],
		float	weights_du[PATCH_MAX_CONTROL_VERTS],
		float	weights_dv[PATCH_MAX_CONTROL_VERTS] )

Definition at line 206 of file kernel/geom/patch.h.

References kernel_data_fetch, l, patch_eval_adjust_boundary_weights(), patch_eval_bspline_weights(), patch_eval_depth(), patch_eval_normalize_coords(), and v.

Referenced by patch_eval_control_verts().

patch_eval_bspline_weights()

ccl_device_inline void patch_eval_bspline_weights	(	float	t,
		ccl_private float *	point,
		ccl_private float *	deriv )

Definition at line 98 of file kernel/geom/patch.h.

Referenced by patch_eval_basis().

patch_eval_control_verts()

ccl_device_inline int patch_eval_control_verts	(	KernelGlobals	kg,
		int	object,
		int	patch,
		float	u,
		float	v,
		int	channel,
		int	indices[PATCH_MAX_CONTROL_VERTS],
		float	weights[PATCH_MAX_CONTROL_VERTS],
		float	weights_du[PATCH_MAX_CONTROL_VERTS],
		float	weights_dv[PATCH_MAX_CONTROL_VERTS] )

Definition at line 245 of file kernel/geom/patch.h.

References kernel_assert, patch_eval_basis(), patch_eval_indices(), patch_map_find_patch(), and v.

Referenced by patch_eval_float(), patch_eval_float2(), patch_eval_float3(), patch_eval_float4(), and patch_eval_uchar4().

patch_eval_depth()

ccl_device_inline int patch_eval_depth

(

uint

patch_bits

)

Definition at line 151 of file kernel/geom/patch.h.

Referenced by patch_eval_basis(), and patch_eval_param_fraction().

patch_eval_float()

ccl_device float patch_eval_float	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		ccl_private float *	du,
		ccl_private float *	dv )

Definition at line 267 of file kernel/geom/patch.h.

References kernel_data_fetch, patch_eval_control_verts(), PATCH_MAX_CONTROL_VERTS, and v.

Referenced by subd_triangle_attribute_float().

patch_eval_float2()

ccl_device float2 patch_eval_float2	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		ccl_private float2 *	du,
		ccl_private float2 *	dv )

Definition at line 308 of file kernel/geom/patch.h.

References kernel_data_fetch, make_float2(), patch_eval_control_verts(), PATCH_MAX_CONTROL_VERTS, and v.

Referenced by subd_triangle_attribute_float2().

patch_eval_float3()

ccl_device float3 patch_eval_float3	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		ccl_private float3 *	du,
		ccl_private float3 *	dv )

Definition at line 347 of file kernel/geom/patch.h.

References kernel_data_fetch, make_float3(), patch_eval_control_verts(), PATCH_MAX_CONTROL_VERTS, and v.

Referenced by subd_triangle_attribute_float3().

patch_eval_float4()

ccl_device float4 patch_eval_float4	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		ccl_private float4 *	du,
		ccl_private float4 *	dv )

Definition at line 388 of file kernel/geom/patch.h.

References kernel_data_fetch, patch_eval_control_verts(), PATCH_MAX_CONTROL_VERTS, v, and zero_float4().

Referenced by subd_triangle_attribute_float4().

patch_eval_indices()

ccl_device_inline int patch_eval_indices	(	KernelGlobals	kg,
		ccl_private const PatchHandle *	handle,
		int	channel,
		int	indices[PATCH_MAX_CONTROL_VERTS] )

Definition at line 189 of file kernel/geom/patch.h.

References kernel_data_fetch.

Referenced by patch_eval_control_verts().

patch_eval_normalize_coords()

ccl_device_inline void patch_eval_normalize_coords	(	uint	patch_bits,
		ccl_private float *	u,
		ccl_private float *	v )

Definition at line 169 of file kernel/geom/patch.h.

References float, frac(), patch_eval_param_fraction(), and v.

Referenced by patch_eval_basis().

patch_eval_param_fraction()

ccl_device_inline float patch_eval_param_fraction

(

uint

patch_bits

)

Definition at line 156 of file kernel/geom/patch.h.

References float, and patch_eval_depth().

Referenced by patch_eval_normalize_coords().

patch_eval_uchar4()

ccl_device float4 patch_eval_uchar4	(	KernelGlobals	kg,
		ccl_private const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		ccl_private float4 *	du,
		ccl_private float4 *	dv )

Definition at line 427 of file kernel/geom/patch.h.

References color_srgb_to_linear_v4(), color_uchar4_to_float4(), kernel_data_fetch, patch_eval_control_verts(), PATCH_MAX_CONTROL_VERTS, v, and zero_float4().

Referenced by subd_triangle_attribute_float4().

patch_map_find_patch()

ccl_device_inline PatchHandle patch_map_find_patch	(	KernelGlobals	kg,
		int	object,
		int	patch,
		float	u,
		float	v )

Definition at line 51 of file kernel/geom/patch.h.

References kernel_assert, kernel_data_fetch, object_patch_map_offset(), PATCH_MAP_NODE_INDEX_MASK, PATCH_MAP_NODE_IS_LEAF, PATCH_MAP_NODE_IS_SET, patch_map_resolve_quadrant(), and v.

Referenced by patch_eval_control_verts().

patch_map_resolve_quadrant()

ccl_device_inline int patch_map_resolve_quadrant	(	float	median,
		ccl_private float *	u,
		ccl_private float *	v )

Definition at line 19 of file kernel/geom/patch.h.

References v.

Referenced by patch_map_find_patch().