80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
#include "testUtils.h"
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using namespace irr;
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static bool polygonOffset(video::E_DRIVER_TYPE type)
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{
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IrrlichtDevice* device = createDevice(type, core::dimension2d<u32>(160, 120));
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if (device == 0)
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return true;
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video::IVideoDriver* driver = device->getVideoDriver();
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if (!driver->queryFeature(video::EVDF_POLYGON_OFFSET))
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{
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device->closeDevice();
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device->run();
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device->drop();
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return true;
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}
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stabilizeScreenBackground(driver);
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scene::ISceneManager* smgr = device->getSceneManager();
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// create first plane
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scene::ISceneNode* plane = smgr->addMeshSceneNode(smgr->addHillPlaneMesh(
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"plane", core::dimension2df(10,10), core::dimension2du(2,2)), 0, -1,
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core::vector3df(0,0,20), core::vector3df(270,0,0));
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if (plane)
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{
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plane->setMaterialTexture(0, driver->getTexture("../media/t351sml.jpg"));
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plane->setMaterialFlag(video::EMF_LIGHTING, false);
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plane->setMaterialFlag(video::EMF_BACK_FACE_CULLING, true);
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}
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// create second plane exactly on top of the first one
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scene::ISceneNode* plane2 = smgr->addMeshSceneNode(smgr->addHillPlaneMesh(
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"plane2", core::dimension2df(5,5), core::dimension2du(2,2)), 0, -1,
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core::vector3df(0,0,20), core::vector3df(270,0,0));
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plane2->setMaterialFlag(video::EMF_BACK_FACE_CULLING, false);
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smgr->addCameraSceneNode();
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// test back plane to back
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plane->getMaterial(0).PolygonOffsetSlopeScale = 1.f;
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plane->getMaterial(0).PolygonOffsetDepthBias = 1.f;
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if ( type == video::EDT_DIRECT3D9 )
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plane->getMaterial(0).PolygonOffsetDepthBias *= 2.f*4.8e-7f;
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driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(255,113,113,133));
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smgr->drawAll();
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driver->endScene();
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bool result = takeScreenshotAndCompareAgainstReference(driver, "-polygonBack.png");
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//reset back plane
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plane->getMaterial(0).PolygonOffsetDepthBias=0;
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// test front plane to front
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plane2->getMaterial(0).PolygonOffsetSlopeScale=-1.f;
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plane2->getMaterial(0).PolygonOffsetDepthBias=-1.f;
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if ( type == video::EDT_DIRECT3D9 )
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plane2->getMaterial(0).PolygonOffsetDepthBias *= 2.f*4.8e-7f;
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driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(255,113,113,133));
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smgr->drawAll();
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driver->endScene();
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result &= takeScreenshotAndCompareAgainstReference(driver, "-polygonFront.png");
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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 material()
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{
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bool result = true;
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TestWithAllDrivers(polygonOffset);
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return result;
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}
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