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path: root/shaders/skia/82-26.shader_test
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[require]
GLSL >= 1.40

[fragment shader]
#version 140

out vec4 sk_FragColor;
uniform float uPixelSize_Stage1;
uniform vec2 uRange_Stage1;
uniform sampler2D uTextureSampler_0_Stage1;
noperspective in vec2 vTransformedCoords_0_Stage0;
void main() {
    vec4 output_Stage1;
    {
        output_Stage1 = vec4(0.0, 0.0, 0.0, 0.0);
        vec2 coord = vTransformedCoords_0_Stage0;
        coord.y -= 11.0 * uPixelSize_Stage1;
        float highBound = min(uRange_Stage1.y, coord.y + 22.0 * uPixelSize_Stage1);
        coord.y = max(uRange_Stage1.x, coord.y);
        for (int i = 0;i < 23; i++) {
            output_Stage1 = max(output_Stage1, texture(uTextureSampler_0_Stage1, coord));
            coord.y += uPixelSize_Stage1;
            coord.y = min(highBound, coord.y);
        }
    }
    {
        sk_FragColor = output_Stage1;
    }
}

[vertex shader]
#version 140

uniform vec4 sk_RTAdjust;
uniform mat3 uCoordTransformMatrix_0_Stage0;
in vec2 position;
in vec2 localCoord;
noperspective out vec2 vTransformedCoords_0_Stage0;
void main() {
    vTransformedCoords_0_Stage0 = (uCoordTransformMatrix_0_Stage0 * vec3(localCoord, 1.0)).xy;
    gl_Position = vec4(position.x, position.y, 0.0, 1.0);
    gl_Position = vec4(gl_Position.xy * sk_RTAdjust.xz + gl_Position.ww * sk_RTAdjust.yw, 0.0, gl_Position.w);
}