irrlicht/tests/transparentAlphaChannelRef.cpp

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// Copyright (C) 2008-2009 Christian Stehno, Colin MacDonald
// No rights reserved: this software is in the public domain.
#include "testUtils.h"
using namespace irr;
using namespace core;
using namespace scene;
using namespace video;
//! Check that EMT_TRANSPARENT_ALPHA_CHANNEL_REF works as expected
bool testWithDriver(video::E_DRIVER_TYPE driverType)
{
IrrlichtDevice* device = createDevice(driverType, core::dimension2d<u32>(160, 120), 32);
if(!device)
return true;
video::IVideoDriver* driver = device->getVideoDriver();
scene::ISceneManager* smgr = device->getSceneManager();
driver->setTextureCreationFlag(video::ETCF_ALWAYS_32_BIT, true);
ISceneNode * backCube = smgr->addCubeSceneNode();
backCube->setPosition(vector3df(0, 0, 10));
backCube->setScale(vector3df(5, 5, 1));
backCube->setMaterialTexture(0, driver->getTexture("../media/wall.bmp"));
backCube->setMaterialType(video::EMT_SOLID ); //solid.....?
backCube->setMaterialFlag(video::EMF_LIGHTING, false);
ISceneNode * frontCube = smgr->addCubeSceneNode();
frontCube->setMaterialTexture(0, driver->getTexture("../media/help.png"));
frontCube->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF ); //solid.....?
frontCube->setMaterialFlag(video::EMF_LIGHTING, false);
(void)smgr->addCameraSceneNode(0, vector3df(0, 0, -15));
driver->beginScene(true, true, video::SColor(255,113,113,133));
smgr->drawAll();
driver->endScene();
bool result = takeScreenshotAndCompareAgainstReference(driver, "-transparentAlphaChannelRef.png", 99.88f);
device->drop();
return result;
}
bool transparentAlphaChannelRef(void)
{
bool result = testWithDriver(EDT_DIRECT3D9);
// FIXME Rogerborg 8-January-2009. Burning's video currently produces unexpected results,
// blending using the full alpha value instead of using a boolean mask. This test is being
// added now anyway to help verify the fix when it's done; it should just require an
// update of the reference image.
result &= testWithDriver(EDT_BURNINGSVIDEO);
return result;
}