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scummvm-cursorfix/engines/hpl1/engine/impl/shaders/hpl1_PostEffect_Blur.vertex
2026-02-02 04:50:13 +01:00

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// Copyright 2006-2010 (C) - Frictional Games
//
// This file is part of HPL1 Engine
//
// For conditions of distribution and use, see copyright notice in LICENSE-shaders
//
///////////////////////////////////////////////////////
/// SIMPLE DIFFUSE COLOR VERTEX PROGRAM ////////////
///////////////////////////////////////////////////////
vec4 position = gl_Vertex;
vec3 color = gl_Color.xyz;
vec2 uv = gl_MultiTexCoord0.xy;
out vec2 vUv0;
out vec2 vUv1;
out vec2 vUv2;
out vec2 vUv3;
uniform mat4 worldViewProj;
uniform float yOffset;
uniform float xOffset;
uniform float amount;
void main()
{
gl_Position = (worldViewProj * position);
vUv0 = uv + vec2(xOffset, yOffset) * amount;
vUv1 = uv + vec2(xOffset, yOffset) * 2.0 * amount;
vUv2 = uv - vec2(xOffset, yOffset) * amount;
vUv3 = uv - vec2(xOffset, yOffset) * 2.0 * amount;
}