mirror of https://github.com/ioquake/ioq3.git
28 lines
787 B
GLSL
28 lines
787 B
GLSL
attribute vec3 attr_Position;
|
|
attribute vec4 attr_TexCoord0;
|
|
|
|
uniform mat4 u_ModelViewProjectionMatrix;
|
|
uniform vec3 u_ToneMinAvgMaxLinear;
|
|
|
|
varying vec2 var_TexCoords;
|
|
varying float var_InvWhite;
|
|
|
|
float FilmicTonemap(float x)
|
|
{
|
|
const float SS = 0.22; // Shoulder Strength
|
|
const float LS = 0.30; // Linear Strength
|
|
const float LA = 0.10; // Linear Angle
|
|
const float TS = 0.20; // Toe Strength
|
|
const float TAN = 0.01; // Toe Angle Numerator
|
|
const float TAD = 0.30; // Toe Angle Denominator
|
|
|
|
return ((x*(SS*x+LA*LS)+TS*TAN)/(x*(SS*x+LS)+TS*TAD)) - TAN/TAD;
|
|
}
|
|
|
|
void main()
|
|
{
|
|
gl_Position = u_ModelViewProjectionMatrix * vec4(attr_Position, 1.0);
|
|
var_TexCoords = attr_TexCoord0.st;
|
|
var_InvWhite = 1.0 / FilmicTonemap(u_ToneMinAvgMaxLinear.z - u_ToneMinAvgMaxLinear.x);
|
|
}
|