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Viewing changes to tests/projectionMatrix.cpp

  • Committer: Mantas Kriaučiūnas
  • Date: 2011-07-18 13:06:25 UTC
  • Revision ID: mantas@akl.lt-20110718130625-c5pvifp61e7kj1ol
Included whole irrlicht SVN libraries to work around launchpad recipe issue with quilt, see https://answers.launchpad.net/launchpad/+question/165193

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tests/projectionMatrix.cpp
 
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// Copyright (C) 2008-2011 Christian Stehno, Colin MacDonald
 
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// No rights reserved: this software is in the public domain.
 
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#include "testUtils.h"
 
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using namespace irr;
 
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using namespace core;
 
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using namespace scene;
 
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using namespace video;
 
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using namespace io;
 
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using namespace gui;
 
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//! Tests projection matrices
 
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static bool runTestWithDriver(E_DRIVER_TYPE driverType)
 
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{
 
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        IrrlichtDevice *device = createDevice( driverType, dimension2d<u32>(160, 120), 32);
 
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        if (!device)
 
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                return true; // Treat a failure to create a driver as benign; this saves a lot of #ifdefs
 
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        IVideoDriver* driver = device->getVideoDriver();
 
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        logTestString("Testing driver %ls\n", driver->getName());
 
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        bool result = true;
 
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        driver->beginScene(true, false, SColor(255,0,0,0));
 
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        SMaterial mat;
 
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        mat.MaterialType = EMT_SOLID;
 
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        mat.Lighting = false;
 
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        mat.ZBuffer = false;
 
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        mat.ZWriteEnable = false;
 
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        mat.Thickness = 1;
 
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        driver->setMaterial(mat);
 
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        core::dimension2d<f32> dims(driver->getCurrentRenderTargetSize());
 
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        //apply custom projection, no offset
 
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        core::matrix4 pmtx = matrix4().buildProjectionMatrixOrthoLH(dims.Width, dims.Height, 0, 100);
 
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        driver->setTransform(ETS_PROJECTION, pmtx);
 
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        driver->setTransform(ETS_VIEW, matrix4());
 
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        driver->setTransform(ETS_WORLD, matrix4());
 
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        //the red cross appears at center
 
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        for (u32 i=0; i<10; ++i)
 
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        {
 
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                driver->draw3DLine(vector3df(0.f+i,-50.f,1.f), vector3df(0.f+i,50.f,1.f), SColor(255,255,0,0));
 
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                driver->draw3DLine(vector3df(-50.f,0.f+i,1.f), vector3df(50.f,0.f+i,1.f), SColor(255,255,0,0));
 
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        }
 
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        //apply custom projection, offset to right-top
 
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        pmtx.setTranslation(vector3df(0.7f, 0.7f, 0.f));
 
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        driver->setTransform(ETS_PROJECTION, pmtx);
 
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        driver->setTransform(ETS_VIEW, matrix4());
 
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        driver->setTransform(ETS_WORLD, matrix4());
 
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        //The green cross must be in right-top corner. But for OpenGL driver it is in left-top corner
 
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        for (u32 i=0; i<10; ++i)
 
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        {
 
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                driver->draw3DLine(vector3df(0.f+i,-50,1), vector3df(0.f+i,50,1), SColor(255,0,255,0));
 
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                driver->draw3DLine(vector3df(-50,0.f+i,1), vector3df(50,0.f+i,1), SColor(255,0,255,0));
 
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        }
 
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        driver->endScene();
 
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        result = takeScreenshotAndCompareAgainstReference(driver, "-projMat.png", 98.71f);
 
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        device->closeDevice();
 
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        device->run();
 
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        device->drop();
 
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        return result;
 
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}
 
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bool projectionMatrix(void)
 
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{
 
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        bool result = true;
 
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        // TODO: Seems that software driver does not handle this projection matrix
 
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        TestWithAllDrivers(runTestWithDriver);
 
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        return result;
 
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}