Bliss-Shader/shaders/composite.vsh
Xonk 216db6b84d Latest Dev
its very scary to look at
2023-01-12 15:28:19 -05:00

38 lines
897 B
GLSL

#version 120
#extension GL_EXT_gpu_shader4 : enable
#include "lib/settings.glsl"
flat varying vec2 TAA_Offset;
flat varying vec3 WsunVec;
uniform sampler2D colortex4;
uniform int frameCounter;
uniform float sunElevation;
uniform vec3 sunPosition;
uniform mat4 gbufferModelViewInverse;
#include "/lib/util.glsl"
#include "/lib/res_params.glsl"
const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
vec2(-1.,3.)/8.,
vec2(5.0,1.)/8.,
vec2(-3,-5.)/8.,
vec2(-5.,5.)/8.,
vec2(-7.,-1.)/8.,
vec2(3,7.)/8.,
vec2(7.,-7.)/8.);
void main() {
TAA_Offset = offsets[frameCounter%8];
#ifndef TAA
TAA_Offset = vec2(0.0);
#endif
gl_Position = ftransform();
#ifdef TAA_UPSCALING
gl_Position.xy = (gl_Position.xy*0.5+0.5)*RENDER_SCALE*2.0-1.0;
#endif
WsunVec = (float(sunElevation > 1e-5)*2-1.)*normalize(mat3(gbufferModelViewInverse) * sunPosition);
}