R2Viewport.h File Reference

Viewport types and functions. More...

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Data Structures
struct	R2_viewport_t
	The type of viewports. More...

Functions
vec2	R2_viewportFragmentPositionToUV (const R2_viewport_t v, const vec2 f_pos)

Detailed Description

Viewport types and functions.

Definition in file R2Viewport.h.

Function Documentation

R2_viewportFragmentPositionToUV()

vec2 R2_viewportFragmentPositionToUV	(	const R2_viewport_t	v,
		const vec2	f_pos
	)

Transform the fragment coordinate f_pos to UV coordinates based on the given viewport v.

Parameters

v	The viewport
f_pos	The current fragment coordinate (in window coordinates)

Definition at line 24 of file R2Viewport.h.

{
  return vec2 (
    f_pos.x * v.inverse_width,
    f_pos.y * v.inverse_height
  );
}