kernel_triangle.h File Reference

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Functions
CCL_NAMESPACE_BEGIN __device_inline float3	triangle_point_MT (KernelGlobals *kg, int tri_index, float u, float v)
__device_inline float3	triangle_sample_MT (KernelGlobals *kg, int tri_index, float randu, float randv)
__device_inline float3	triangle_normal_MT (KernelGlobals *kg, int tri_index, int *shader)
__device_inline float3	triangle_smooth_normal (KernelGlobals *kg, int tri_index, float u, float v)
__device_inline void	triangle_dPdudv (KernelGlobals *kg, float3 *dPdu, float3 *dPdv, int tri)
__device float	triangle_attribute_float (KernelGlobals *kg, const ShaderData *sd, AttributeElement elem, int offset, float *dx, float *dy)
__device float3	triangle_attribute_float3 (KernelGlobals *kg, const ShaderData *sd, AttributeElement elem, int offset, float3 *dx, float3 *dy)

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Function Documentation

__device float triangle_attribute_float	(	KernelGlobals *	kg,
		const ShaderData *	sd,
		AttributeElement	elem,
		int	offset,
		float *	dx,
		float *	dy
	)

Definition at line 96 of file kernel_triangle.h.

References __float_as_int(), ATTR_ELEMENT_CORNER, ATTR_ELEMENT_FACE, ATTR_ELEMENT_VERTEX, ShaderData::du, ShaderData::dv, differential::dx, differential::dy, float4_to_float3(), kernel_tex_fetch, ShaderData::prim, ShaderData::u, ShaderData::v, float3::x, float3::y, and float3::z.

Referenced by get_mesh_attribute(), svm_node_attr(), svm_node_attr_bump_dx(), and svm_node_attr_bump_dy().

__device float3 triangle_attribute_float3	(	KernelGlobals *	kg,
		const ShaderData *	sd,
		AttributeElement	elem,
		int	offset,
		float3 *	dx,
		float3 *	dy
	)

Definition at line 139 of file kernel_triangle.h.

References __float_as_int(), ATTR_ELEMENT_CORNER, ATTR_ELEMENT_FACE, ATTR_ELEMENT_VERTEX, ShaderData::du, ShaderData::dv, differential::dx, differential::dy, float4_to_float3(), kernel_tex_fetch, make_float3(), ShaderData::prim, ShaderData::u, ShaderData::v, float3::x, float3::y, and float3::z.

Referenced by get_mesh_attribute(), svm_node_attr(), svm_node_attr_bump_dx(), and svm_node_attr_bump_dy().

__device_inline void triangle_dPdudv	(	KernelGlobals *	kg,
		float3 *	dPdu,
		float3 *	dPdv,
		int	tri
	)

Definition at line 80 of file kernel_triangle.h.

References __float_as_int(), float4_to_float3(), kernel_tex_fetch, float3::x, float3::y, and float3::z.

Referenced by shader_setup_from_ray(), and shader_setup_from_sample().

__device_inline float3 triangle_normal_MT	(	KernelGlobals *	kg,
		int	tri_index,
		int *	shader
	)

Definition at line 49 of file kernel_triangle.h.

References __float_as_int(), cross(), float4_to_float3(), kernel_tex_fetch, make_float3(), normalize(), float4::w, float3::x, float4::x, float3::y, float4::y, float3::z, and float4::z.

Referenced by shader_setup_from_displace(), and triangle_light_sample().

CCL_NAMESPACE_BEGIN __device_inline float3 triangle_point_MT	(	KernelGlobals *	kg,
		int	tri_index,
		float	u,
		float	v
	)

Definition at line 22 of file kernel_triangle.h.

References __float_as_int(), float4_to_float3(), kernel_tex_fetch, float3::x, float3::y, and float3::z.

Referenced by shader_setup_from_displace(), and triangle_sample_MT().

__device_inline float3 triangle_sample_MT	(	KernelGlobals *	kg,
		int	tri_index,
		float	randu,
		float	randv
	)

Definition at line 37 of file kernel_triangle.h.

References sqrtf, and triangle_point_MT().

Referenced by triangle_light_sample().

__device_inline float3 triangle_smooth_normal	(	KernelGlobals *	kg,
		int	tri_index,
		float	u,
		float	v
	)

Definition at line 68 of file kernel_triangle.h.

References __float_as_int(), float4_to_float3(), kernel_tex_fetch, normalize(), float3::x, float3::y, and float3::z.

Referenced by shader_setup_from_ray(), and shader_setup_from_sample().