geom_patch.h File Reference

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Classes
struct	PatchHandle

Typedefs
typedef CCL_NAMESPACE_BEGIN struct PatchHandle	PatchHandle

Functions
ccl_device_inline int	patch_map_resolve_quadrant (float median, float *u, 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, float *point, float *deriv)
ccl_device_inline void	patch_eval_adjust_boundary_weights (uint bits, float *s, 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, float *u, float *v)
ccl_device_inline int	patch_eval_indices (KernelGlobals *kg, const PatchHandle *handle, int channel, int indices[PATCH_MAX_CONTROL_VERTS])
ccl_device_inline void	patch_eval_basis (KernelGlobals *kg, 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, const ShaderData *sd, int offset, int patch, float u, float v, int channel, float *du, float *dv)
ccl_device float2	patch_eval_float2 (KernelGlobals *kg, const ShaderData *sd, int offset, int patch, float u, float v, int channel, float2 *du, float2 *dv)
ccl_device float3	patch_eval_float3 (KernelGlobals *kg, const ShaderData *sd, int offset, int patch, float u, float v, int channel, float3 *du, float3 *dv)
ccl_device float4	patch_eval_float4 (KernelGlobals *kg, const ShaderData *sd, int offset, int patch, float u, float v, int channel, float4 *du, float4 *dv)
ccl_device float4	patch_eval_uchar4 (KernelGlobals *kg, const ShaderData *sd, int offset, int patch, float u, float v, int channel, float4 *du, float4 *dv)

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,
		float *	s,
		float *	t
	)

Definition at line 129 of file geom_patch.h.

References t.

Referenced by patch_eval_basis().

patch_eval_basis()

ccl_device_inline void patch_eval_basis	(	KernelGlobals *	kg,
		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 211 of file geom_patch.h.

References kernel_tex_fetch, l, patch_eval_adjust_boundary_weights(), patch_eval_bspline_weights(), patch_eval_depth(), patch_eval_normalize_coords(), PatchHandle::patch_index, t, and v.

Referenced by patch_eval_control_verts().

patch_eval_bspline_weights()

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

Definition at line 109 of file geom_patch.h.

References t.

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 250 of file geom_patch.h.

References PatchHandle::array_index, indices, kernel_assert, kg, 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 158 of file geom_patch.h.

Referenced by patch_eval_basis(), and patch_eval_param_fraction().

patch_eval_float()

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

Definition at line 272 of file geom_patch.h.

References indices, kernel_tex_fetch, kg, 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,
		const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		float2 *	du,
		float2 *	dv
	)

Definition at line 309 of file geom_patch.h.

References indices, kernel_tex_fetch, kg, 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,
		const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		float3 *	du,
		float3 *	dv
	)

Definition at line 346 of file geom_patch.h.

References float4_to_float3(), indices, kernel_tex_fetch, kg, 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,
		const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		float4 *	du,
		float4 *	dv
	)

Definition at line 383 of file geom_patch.h.

References indices, kernel_tex_fetch, kg, make_float4, patch_eval_control_verts(), PATCH_MAX_CONTROL_VERTS, and v.

Referenced by subd_triangle_attribute_float4().

patch_eval_indices()

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

Definition at line 194 of file geom_patch.h.

References PatchHandle::array_index, indices, kernel_tex_fetch, and PatchHandle::vert_index.

Referenced by patch_eval_control_verts().

patch_eval_normalize_coords()

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

Definition at line 176 of file geom_patch.h.

References float(), CCL_NAMESPACE_BEGIN::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 163 of file 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,
		const ShaderData *	sd,
		int	offset,
		int	patch,
		float	u,
		float	v,
		int	channel,
		float4 *	du,
		float4 *	dv
	)

Definition at line 420 of file geom_patch.h.

References color_srgb_to_linear_v4(), color_uchar4_to_float4(), indices, kernel_tex_fetch, kg, make_float4, patch_eval_control_verts(), PATCH_MAX_CONTROL_VERTS, and v.

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 63 of file geom_patch.h.

References PatchHandle::array_index, kernel_assert, kernel_tex_fetch, kg, node, object_patch_map_offset(), PatchHandle::patch_index, PATCH_MAP_NODE_INDEX_MASK, PATCH_MAP_NODE_IS_LEAF, PATCH_MAP_NODE_IS_SET, patch_map_resolve_quadrant(), v, and PatchHandle::vert_index.

Referenced by patch_eval_control_verts().

patch_map_resolve_quadrant()

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

Definition at line 33 of file geom_patch.h.

References v.

Referenced by patch_map_find_patch().