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| ** Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB). |
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| ** This file is part of the Qt3D module of the Qt Toolkit. |
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| |
| import Qt3D.Core 2.9 |
| import Qt3D.Render 2.9 |
| import Qt3D.Extras 2.0 |
| |
| Entity { |
| id: root |
| |
| property Texture colorTexture |
| readonly property int samples : colorTexture ? colorTexture.samples : 1 |
| |
| Effect { |
| id: materialEffect |
| techniques : [ |
| // OpenGL 3.2 |
| Technique { |
| graphicsApiFilter { |
| api : GraphicsApiFilter.OpenGL |
| profile : GraphicsApiFilter.CoreProfile |
| minorVersion : 3 |
| majorVersion : 2 |
| } |
| |
| renderPasses : RenderPass { |
| filterKeys : FilterKey { name : "pass"; value : "final" } |
| |
| shaderProgram : ShaderProgram { |
| vertexShaderCode: |
| "#version 150 core |
| |
| in vec3 vertexPosition; |
| out vec2 texCoords; |
| |
| void main() { |
| texCoords = vec2(0.5) + vec2(0.5) * vertexPosition.xz; |
| gl_Position = vec4(vertexPosition.x, vertexPosition.z, 0.0, 1.0); |
| }" |
| fragmentShaderCode: |
| "#version 150 core |
| |
| uniform sampler2DMS source; |
| |
| in vec2 texCoords; |
| out vec4 fragColor; |
| |
| void main() { |
| vec4 c = vec4(0.0); |
| c += texelFetch(source, ivec2(gl_FragCoord), 0); |
| fragColor = vec4(c.rgb / max(c.a, 0.01), c.a); |
| }" |
| } |
| } |
| } |
| ] |
| } |
| |
| Material { |
| id: materialWithoutTexture |
| |
| parameters: [ |
| Parameter { name: "source"; value: colorTexture }, |
| Parameter { name: "samples"; value: root.samples } |
| ] |
| |
| effect: materialEffect |
| } |
| |
| PlaneMesh { |
| id: planeMesh |
| width: 2.0 |
| height: 2.0 |
| meshResolution: Qt.size(2, 2) |
| } |
| |
| components : [ |
| planeMesh, |
| materialWithoutTexture |
| ] |
| } |