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example: make screen shader example compatible with glsl 300 (#10846) (#11132)

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00-KAMIDUKI 2025-07-22 03:05:47 +08:00 • committed by GitHub
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11
example/screenShader.frag
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@ -1,16 +1,19 @@
//
// Example blue light filter shader.
//
//
#version 300 es
precision mediump float;
varying vec2 v_texcoord;
in vec2 v_texcoord;
layout(location = 0) out vec4 fragColor;
uniform sampler2D tex;
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
vec4 pixColor = texture(tex, v_texcoord);
pixColor[2] *= 0.8;
gl_FragColor = pixColor;
fragColor = pixColor;
}