simple_raytrace.c File Reference

#include <math.h>

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Data Structures
struct	Node
struct	Intersection

Typedefs
typedef float float3	__attribute__((vector_size(16)))

Functions
void	print (int x)
void	print2 (int arg0, int arg1)
void	print3 (int arg0, int arg1, int arg2)
float	dot3f (float3 a, float3 b)
struct Intersection	plane_intersect (struct Node *node, float3 start, float3 dir)
struct Intersection	sphere_intersect (struct Node *node, float3 start, float3 dir)
struct Intersection	node_intersect (struct Node *node, float3 start, float3 dir)
float3	raytrace_color (float3 start, float3 dir)
struct Intersection	intersection (float dist, float3 color)
float3	get_color (float3 pos)
float3	view_vec (int x, int y)
int	rgb (float r, float g, float b)
void	raytrace (int x, int y)

Variables
struct Node	nodes [7]

Typedef Documentation

__attribute__

__attribute__

Definition at line 9 of file simple_raytrace.c.

Function Documentation

dot3f()

float dot3f	(	float3	a,
		float3	b
	)

Definition at line 12 of file simple_raytrace.c.

Referenced by plane_intersect(), and sphere_intersect().

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get_color()

float3 get_color

(

float3

pos

)

Definition at line 93 of file simple_raytrace.c.

Referenced by plane_intersect().

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intersection()

struct Intersection intersection	(	float	dist,
		float3	color
	)

Definition at line 83 of file simple_raytrace.c.

References Node::color, Intersection::color, Intersection::dist, and result.

Referenced by LoadOpNode::opCtorGenerator(), plane_intersect(), and sphere_intersect().

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node_intersect()

struct Intersection node_intersect	(	struct Node *	node,
		float3	start,
		float3	dir
	)

Definition at line 184 of file simple_raytrace.c.

References Intersection::dist, Node::intersect, Node::left, and Node::right.

plane_intersect()

struct Intersection plane_intersect	(	struct Node *	node,
		float3	start,
		float3	dir
	)

Definition at line 106 of file simple_raytrace.c.

References dot3f(), get_color(), and intersection().

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print()

void print

(

int

x

)

Referenced by VarNode::getAbstractState(), Parameter::removeOption(), and Schedule::set_csteps().

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print2()

void print2	(	int	arg0,
		int	arg1
	)

print3()

void print3	(	int	arg0,
		int	arg1,
		int	arg2
	)

Referenced by raytrace().

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raytrace()

void raytrace	(	int	x,
		int	y
	)

Definition at line 239 of file simple_raytrace.c.

References Node::color, print3(), raytrace_color(), rgb(), and view_vec().

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raytrace_color()

float3 raytrace_color	(	float3	start,
		float3	dir
	)

Definition at line 227 of file simple_raytrace.c.

References Intersection::dist, and Node::intersect.

Referenced by raytrace(), and rgb().

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rgb()

int rgb	(	float	r,
		float	g,
		float	b
	)

Definition at line 216 of file simple_raytrace.c.

References raytrace_color().

Referenced by raytrace().

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sphere_intersect()

struct Intersection sphere_intersect	(	struct Node *	node,
		float3	start,
		float3	dir
	)

Definition at line 131 of file simple_raytrace.c.

References Intersection::color, Intersection::dist, dot3f(), intersection(), and Node::pos.

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view_vec()

float3 view_vec	(	int	x,
		int	y
	)

Definition at line 207 of file simple_raytrace.c.

Referenced by raytrace().

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Variable Documentation

nodes

struct Node nodes[7]

Initial value:

=
{
  { (float4){0,1,0,0}, plane_intersect,
    0, 0, (float3){1,0,0} },
  { (float4){0,1,2,1}, sphere_intersect,
    0, 0, (float3){0,0,1} },
  { (float4){1,0,0,1}, node_intersect,
    0, 1, (float3){1,1,1} },
  { (float4){-2,1,2,1}, sphere_intersect,
    0, 0, (float3){0,1,0} },
  { (float4){1,0,0,1}, node_intersect,
    3, 2, (float3){1,1,1} },
  { (float4){2,1,2,1}, sphere_intersect,
    0, 0, (float3){0,1,1} },
  { (float4){1,0,0,1}, node_intersect,
    4, 5, (float3){1,1,1} }
}

Definition at line 62 of file simple_raytrace.c.

Referenced by bfs(), data_to_input(), and input_to_data().