src/shaders/watershader.frag File Reference

Fragment shader for water rendering. More...

Go to the source code of this file.

Classes
struct	LightParam
	Struct that contains one light source. More...
Functions
	layout (std140, binding=0) uniform LightInfo
	< All the lights are stored in this buffer
void	main (void)
Variables
const float	airRefInd = 1.0
	Refraction index of air.
float	alpha
	Angle used for refraction approximation.
vec3	ambLight
	Ambient light color.
float	bottomDisplacement1
	Distance to displace along the bottom for the first approximation.
float	bottomDisplacement2
	Better displacement approximation distance.
vec3	bottomLight
	Total bottom light color.
vec3	bottomNormal
	Normal of seen bottom.
vec3	bottomPos
	Position of seen bottom.
uniform vec3	camPos
	Camera position.
float	depth
	Water depth at fragment.
float	depthAtDis1
	Depth at first displacement approximation.
float	depthAtDis2
	Depth at better approximation.
vec3	diffLight
	Diffuse light color.
vec3	displacement1
	Displacement vector (first approximation).
vec3	displacement2
	Better displacement approximation vector.
vec3	displacementDirection
	Refraction direction in the xz-plane.
vec3	eye
	Vector from the fragment to the camera.
float	h
	Height at first approximation.
uniform sampler2D	height_texUnit
	Terrain geometry (normal and height) texture.
float	kamb
	Ambient light coefficient.
float	kblue
	"Blueness" coefficient.
float	kdiff
	Diffuse light coefficient.
float	krefl
	Reflected light coefficient.
float	ktransb
	Transparent light (blue channel) coefficient.
float	ktransg
	Transparent light (green channel) coefficient.
float	ktransr
	Transparent light (red channel) coefficient.
vec3	Normal
	(Modified) fragment normal.
out vec4	out_Color
	Fragment (out) pixel value.
in vec3	out_Normal
	Fragment normal.
in vec3	out_ObjPos
	Fragment position.
in vec2	out_TexCoord
	Fragment texture coordinate.
vec3	r
	Reflected light vector.
vec3	re
	Reflected eye vector.
vec3	reflLight
	Reflected light (skybox) color.
vec3	right
	Vector to the right (camera position dependent).
vec3	s
	Incident light vector.
uniform vec3	size
	Data size.
uniform samplerCube	sky_texUnit
	Skybox texture.
vec3	skyrefl
	Skybox color.
vec3	specLight
	Specular light color.
vec3	surfaceLight
	Total surface light color.
uniform sampler2D	terr_texUnit
	Terrain (color) texture.
vec4	terrainDataAtBottom
	Terrain geometry at better approximation.
vec4	terrainDataAtDis1
	Terrain geometry at first approximation.
vec4	terrainDataUnderSurface
	Terrain geometry under fragment.
vec4	texDataAtBottom
	Terrain color at bottom.
float	theta1
	Incident light angle (from camera to bottom).
float	theta2
	Refracted light angle (from camera to bottom).
uniform float	time
	Time variable.
uniform float	transparency
	Transparency of the water.
const vec3	up = vec3(0.0, 1.0, 0.0)
	Up vector (world coordinates).
const float	waterRefInd = 1.34451
	Refraction index of water.
float	wdist
	Distance from surface to better approximation.

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Detailed Description

Fragment shader for water rendering.

Definition in file watershader.frag.