kernel_camera.h File Reference

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Functions
CCL_NAMESPACE_BEGIN ccl_device float2	camera_sample_aperture (ccl_constant KernelCamera *cam, float u, float v)
ccl_device void	camera_sample_perspective (KernelGlobals *kg, float raster_x, float raster_y, float lens_u, float lens_v, ccl_addr_space Ray *ray)
ccl_device void	camera_sample_orthographic (KernelGlobals *kg, float raster_x, float raster_y, float lens_u, float lens_v, ccl_addr_space Ray *ray)
ccl_device_inline void	camera_sample_panorama (ccl_constant KernelCamera *cam, float raster_x, float raster_y, float lens_u, float lens_v, ccl_addr_space Ray *ray)
ccl_device_inline void	camera_sample (KernelGlobals *kg, int x, int y, float filter_u, float filter_v, float lens_u, float lens_v, float time, ccl_addr_space Ray *ray)
ccl_device_inline float3	camera_position (KernelGlobals *kg)
ccl_device_inline float	camera_distance (KernelGlobals *kg, float3 P)
ccl_device_inline float	camera_z_depth (KernelGlobals *kg, float3 P)
ccl_device_inline float3	camera_direction_from_point (KernelGlobals *kg, float3 P)
ccl_device_inline float3	camera_world_to_ndc (KernelGlobals *kg, ShaderData *sd, float3 P)

Function Documentation

camera_direction_from_point()

ccl_device_inline float3 camera_direction_from_point	(	KernelGlobals *	kg,
		float3	P
	)

Definition at line 462 of file kernel_camera.h.

References CAMERA_ORTHOGRAPHIC, kernel_data, make_float3, normalize(), P(), Transform::x, Transform::y, and Transform::z.

camera_distance()

ccl_device_inline float camera_distance	(	KernelGlobals *	kg,
		float3	P
	)

Definition at line 435 of file kernel_camera.h.

References CAMERA_ORTHOGRAPHIC, dot(), fabsf, kernel_data, len, make_float3, P(), Transform::x, Transform::y, and Transform::z.

Referenced by kernel_write_data_passes().

camera_position()

ccl_device_inline float3 camera_position

(

KernelGlobals *

kg

)

Definition at line 429 of file kernel_camera.h.

References kernel_data, make_float3, Transform::x, Transform::y, and Transform::z.

Referenced by camera_world_to_ndc(), svm_node_tex_coord(), svm_node_tex_coord_bump_dx(), and svm_node_tex_coord_bump_dy().

camera_sample()

ccl_device_inline void camera_sample	(	KernelGlobals *	kg,
		int	x,
		int	y,
		float	filter_u,
		float	filter_v,
		float	lens_u,
		float	lens_v,
		float	time,
		ccl_addr_space Ray *	ray
	)

Definition at line 355 of file kernel_camera.h.

References CAMERA_ORTHOGRAPHIC, CAMERA_PERSPECTIVE, camera_sample_orthographic(), camera_sample_panorama(), camera_sample_perspective(), ccl_global, FILTER_TABLE_SIZE, float(), if(), kernel_data, kernel_tex_array, kg, lookup_table_read(), SHUTTER_TABLE_SIZE, time, x, and y.

Referenced by blender::io::alembic::ABCCameraWriter::do_write(), and kernel_path_trace_setup().

camera_sample_aperture()

CCL_NAMESPACE_BEGIN ccl_device float2 camera_sample_aperture	(	ccl_constant KernelCamera *	cam,
		float	u,
		float	v
	)

Definition at line 21 of file kernel_camera.h.

References concentric_sample_disk(), regular_polygon_sample(), v, and float2::x.

Referenced by camera_sample_orthographic(), camera_sample_panorama(), and camera_sample_perspective().

camera_sample_orthographic()

ccl_device void camera_sample_orthographic	(	KernelGlobals *	kg,
		float	raster_x,
		float	raster_y,
		float	lens_u,
		float	lens_v,
		ccl_addr_space Ray *	ray
	)

Definition at line 174 of file kernel_camera.h.

References camera_sample_aperture(), D(), differential3_zero(), float4_to_float3(), kernel_data, kernel_tex_array, make_float3, normalize(), P(), transform_direction(), transform_motion_array_interpolate(), transform_perspective(), transform_point(), float2::x, and float2::y.

Referenced by camera_sample().

camera_sample_panorama()

ccl_device_inline void camera_sample_panorama	(	ccl_constant KernelCamera *	cam,
		float	raster_x,
		float	raster_y,
		float	lens_u,
		float	lens_v,
		ccl_addr_space Ray *	ray
	)

Definition at line 239 of file kernel_camera.h.

References camera_sample_aperture(), cross(), D(), is_zero(), make_float3, normalize(), P(), panorama_to_direction(), spherical_stereo_transform(), transform_direction(), transform_motion_array_interpolate(), transform_perspective(), transform_point(), U, V, float2::x, float3::x, float2::y, float3::y, and zero_float3().

Referenced by camera_sample(), and Camera::world_to_raster_size().

camera_sample_perspective()

ccl_device void camera_sample_perspective	(	KernelGlobals *	kg,
		float	raster_x,
		float	raster_y,
		float	lens_u,
		float	lens_v,
		ccl_addr_space Ray *	ray
	)

Definition at line 42 of file kernel_camera.h.

References camera_sample_aperture(), D(), differential3_zero(), float4_to_float3(), interp(), kernel_data, kernel_tex_array, make_float3, normalize(), P(), spherical_stereo_transform(), transform_direction(), transform_motion_array_interpolate(), transform_perspective(), transform_point(), float2::x, float2::y, and zero_float3().

Referenced by camera_sample().

camera_world_to_ndc()

ccl_device_inline float3 camera_world_to_ndc	(	KernelGlobals *	kg,
		ShaderData *	sd,
		float3	P
	)

Definition at line 476 of file kernel_camera.h.

References CAMERA_PANORAMA, CAMERA_PERSPECTIVE, camera_position(), direction_to_panorama(), kernel_data, kg, make_float3, normalize(), OBJECT_NONE, P(), PRIM_NONE, transform_direction(), transform_perspective(), transform_point(), float2::x, and float2::y.

Referenced by OSLRenderServices::get_background_attribute(), svm_node_tex_coord(), svm_node_tex_coord_bump_dx(), and svm_node_tex_coord_bump_dy().

camera_z_depth()

ccl_device_inline float camera_z_depth	(	KernelGlobals *	kg,
		float3	P
	)

Definition at line 449 of file kernel_camera.h.

References CAMERA_PANORAMA, kernel_data, len, make_float3, P(), transform_point(), Transform::x, Transform::y, Transform::z, and float3::z.

Referenced by kernel_write_data_passes().