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

41 lines
1.1 KiB
GLSL

// [COMBO] {"material":"Mode","combo":"MODE","type":"options","default":0,"options":{"Vertex":1,"UV":0}}
#include "common.h"
uniform mat4 g_ModelViewProjectionMatrix;
uniform float g_Time;
uniform vec4 g_Texture1Resolution;
uniform float g_Speed; // {"material":"Speed","default":1.0,"range":[-5,5]}
uniform vec2 g_SpinCenter; // {"material":"Center","default":"0.5 0.5"}
attribute vec3 a_Position;
attribute vec2 a_TexCoord;
varying vec4 v_TexCoord;
#if MASK == 1
varying vec2 v_TexCoordMask;
#endif
void main() {
vec3 position = a_Position;
#if MODE == 1
position.xy = rotateVec2(position.xy - g_SpinCenter, g_Speed * g_Time) + g_SpinCenter;
#endif
gl_Position = mul(vec4(position, 1.0), g_ModelViewProjectionMatrix);
v_TexCoord.xyzw = a_TexCoord.xyxy;
#if MASK == 1
v_TexCoordMask = vec2(a_TexCoord.x * g_Texture1Resolution.z / g_Texture1Resolution.x,
a_TexCoord.y * g_Texture1Resolution.w / g_Texture1Resolution.y);
#endif
#if MODE == 0
v_TexCoord.xy = rotateVec2(v_TexCoord.xy - g_SpinCenter, g_Speed * g_Time) + g_SpinCenter;
#endif
}