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NixOS-configs/modules/wallpaper-engine/effects/lightshafts/preview/shaders/effects/lightshafts.vert
2025-04-29 13:39:02 -05:00

26 lines
840 B
GLSL

#include "common.h"
#include "common_perspective.h"
uniform mat4 g_ModelViewProjectionMatrix;
uniform vec2 g_Point0; // {"material":"point0","label":"p0","default":"0.67728 0.01297"}
uniform vec2 g_Point1; // {"material":"point1","label":"p1","default":"0.76007 0.14043"}
uniform vec2 g_Point2; // {"material":"point2","label":"p2","default":"0.46654 1.09592"}
uniform vec2 g_Point3; // {"material":"point3","label":"p3","default":"0.16363 0.44881"}
attribute vec3 a_Position;
attribute vec2 a_TexCoord;
varying vec2 v_TexCoord;
varying vec3 v_TexCoordFx;
void main() {
mat3 xform = inverse(squareToQuad(g_Point0, g_Point1, g_Point2, g_Point3));
v_TexCoord.xy = a_TexCoord.xy;
v_TexCoordFx = mul(vec3(a_TexCoord.xy, 1.0), xform);
gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
}