Defines a mesh with vertices arranged in a grid. More...
| Import Statement: | import QtQuick |
| Since: | Qt 5.0 |
GridMesh defines a rectangular mesh consisting of vertices arranged in an evenly spaced grid. It is used to generate geometry. The grid resolution is specified with the resolution property.
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resolution : size |
This property holds the grid resolution. The resolution's width and height specify the number of cells or spacings between vertices horizontally and vertically respectively. The minimum and default is 1x1, which corresponds to four vertices in total, one in each corner. For non-linear vertex transformations, you probably want to set the resolution higher.
| Result | QML code | gridmesh.vert |
|---|---|---|
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import QtQuick 2.0 ShaderEffect { width: 200 height: 200 mesh: GridMesh { resolution: Qt.size(20, 20) } property variant source: Image { source: "qt-logo.png" sourceSize { width: 200; height: 200 } } vertexShader: "gridmesh.vert" } |
#version 440
layout(location = 0) in vec4 qt_Vertex;
layout(location = 1) in vec2 qt_MultiTexCoord0;
layout(location = 0) out vec2 qt_TexCoord0;
layout(std140, binding = 0) uniform buf {
mat4 qt_Matrix;
float qt_Opacity;
float width;
};
void main() {
vec4 pos = qt_Vertex;
float d = 0.5 * smoothstep(0.0, 1.0, qt_MultiTexCoord0.y);
pos.x = width * mix(d, 1.0 - d, qt_MultiTexCoord0.x);
gl_Position = qt_Matrix * pos;
qt_TexCoord0 = qt_MultiTexCoord0;
}
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