Mali GPU User Interface Engine Application Development Guide

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Tutorial on Drawing 3D ShapesFigure 4-18 Environment bitmap 4.pngopp.pgn This is the image for the environment ceiling, see Figure 4-19:Figure 4-19 Environment bitmap opp.pngned.pgn This is the image for the environment floor, see Figure 4-20:Figure 4-20 Environment bitmap ned.png2. Previous examples specified the locations for each vertex in the shape. Example 4-41shows how to load an asset file that contains the information:Example 4-41 Load the assets for cube mapping...int main(int argc, char * argv[]){try{// InitializingManaged system = create_system_backend();Managed context = system->createContext(320, 240);#ifdef MDE_OS_PC_LINUXManaged keyboard = system->createKeyboard(context);#elseManaged keyboard = system->createKeyboard();ARM DUI 0527A-02a Copyright © 2010 ARM. All rights reserved. 4-34ID070710Non-Confidential - Draft - Beta
Tutorial on Drawing 3D Shapes#endifManaged filesystem = system->createFileSystem(".");Managed timer = system->createTimer();Proxy proxy(filesystem, context);// Load programsProgram* cube_reflection =proxy.getProgram("shaders/cube_reflection_mapping.vert;shaders/cube_reflection_mapping.frag");Program* skybox = proxy.getProgram("shaders/skybox.vert;shaders/skybox.frag");// Load sceneSceneAsset* scene = proxy.getSceneAsset("data/teapot.mba");GeometryAsset* teapot =static_cast(scene->getAsset(Asset::TYPE_GEOMETRY, 0));// Load cubemapManaged textureCube = loadCubeMap(context, proxy);textureCube->setWrapMode(GL_CLAMP_TO_EDGE);textureCube->setFilterMode(GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR);...3. There are four shaders:skybox.vertThe vertex shader in Example 4-42 calculates the vertex coordinate to use inthe fragment shader:Example 4-42 skybox.vert shader for cube mappinguniform mat4 WORLD_VIEW_PROJECTION;attribute vec4 POSITION;attribute vec3 NORMAL;varying vec3 vTexCoord;void main(void){gl_Position = WORLD_VIEW_PROJECTION * POSITION;vTexCoord = POSITION.xyz;}skybox.fragThe fragment shader in Example 4-43 maps the environment bitmap to theskybox cube.Example 4-43 skybox.frag shader for cube mappinguniform samplerCube skyboxCubeMap;varying vec3 vTexCoord;void main(void){gl_FragColor = textureCube(skyboxCubeMap, vTexCoord);}ARM DUI 0527A-02a Copyright © 2010 ARM. All rights reserved. 4-35ID070710Non-Confidential - Draft - Beta
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MaliGPU User Interface EngineVersio
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ContentsMali GPU User Interface Eng
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List of TablesMali GPU User Interfa
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List of FiguresFigure 4-17 Environm
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PrefaceAbout this bookThis is the M
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PrefaceFeedbackARM welcomes feedbac
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Introduction1.1 About the Mali GPU
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IntroductionProxygetLoader()LoaderA
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Chapter 2Tutorial on the System Cla
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Tutorial on the System Classes2.2 C
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Tutorial on the System ClassesFigur
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Tutorial on the System ClassesDrawi
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Tutorial on the Lotion User Interfa
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Chapter 6Tutorial on Constructing C
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Tutorial on Constructing Custom Sha
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Appendix AMatrix and Vector Operati
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Matrix and Vector Operationsmat4 pe
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GlossaryThis glossary describes som
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GlossaryShader LibraryVertex shader
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