gridshader.vert - mozsearch

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// Copyright (C) 2025 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#version 440

layout(location = 0) in vec4 qt_Vertex;

layout(location = 1) in vec2 qt_MultiTexCoord0;

layout(location = 0) out vec2 texCoord;

layout(location = 1) out vec2 fragCoord;

layout(std140, binding = 0) uniform buf {

    mat4 qt_Matrix;

    float qt_Opacity;

    vec3 iResolution;

    int origo;

    vec4 gridVisibility;

    float gridWidth;

    float gridHeight;

    vec2 gridMovement;

    vec4 subGridColor;

    vec4 gridColor;

    float subGridLineWidth;

    float gridLineWidth;

    float smoothing;

    float verticalSubGridScale;

    float horizontalSubGridScale;

    vec4 plotAreaBackgroundColor;

    bool verticalLogarithmic;

    bool horizontalLogarithmic;

    float verticalBase;

    float horizontalBase;

};

out gl_PerVertex { vec4 gl_Position; };

void main() {

    texCoord = qt_MultiTexCoord0;

    if (origo == 0)

        fragCoord = vec2(qt_Vertex.x, iResolution.y - qt_Vertex.y);

    else if (origo == 1)

        fragCoord = qt_Vertex.xy;

    else if (origo == 2)

        fragCoord = vec2(iResolution.x - qt_Vertex.x, qt_Vertex.y);

    else

        fragCoord = vec2(iResolution.x - qt_Vertex.x, iResolution.y - qt_Vertex.y);

    fragCoord += gridMovement;

    vec2 vertCoord = qt_Vertex.xy;

    gl_Position = qt_Matrix * vec4(vertCoord, 0.0, 1.0);