122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
// Copyright (C) 2008-2011 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 IVideoDriver::drawPixel().
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/** Expect to see two diagonal lines overlaying a wall texture cube.
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One line should run from green at the top left to red at the bottom right.
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The other should run from cyan 100% transparent at the bottom left to
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cyan 100% opaque at the top right. */
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static bool lineRender(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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ISceneManager * smgr = device->getSceneManager();
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logTestString("Testing driver %ls\n", driver->getName());
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// Draw a cube background so that we can check that the pixels' alpha is working.
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ISceneNode * cube = smgr->addCubeSceneNode(50.f, 0, -1, vector3df(0, 0, 60));
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cube->setMaterialTexture(0, driver->getTexture("../media/wall.bmp"));
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cube->setMaterialFlag(video::EMF_LIGHTING, false);
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(void)smgr->addCameraSceneNode();
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driver->beginScene(true, true, SColor(255,100,101,140));
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smgr->drawAll();
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// Test for benign handling of offscreen pixel values as well as onscreen ones.
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for(s32 x = -10; x < 170; ++x)
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{
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s32 y = 120 * x / 160;
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driver->drawPixel((u32)x, (u32)y, SColor(255, 255 * x / 640, 255 * (640 - x) / 640, 0));
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y = 120 - y;
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driver->drawPixel((u32)x, (u32)y, SColor(255 * x / 640, 0, 255, 255));
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}
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driver->endScene();
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bool result = takeScreenshotAndCompareAgainstReference(driver, "-drawPixel.png", 98.81f);
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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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// this test draws alternating white and black borders with
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// increasing thickness. Intended use of this test is to ensure
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// the corect pixel alignment within the render window.
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static bool pixelAccuracy(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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device->getSceneManager()->addCameraSceneNode();
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driver->beginScene(true, true, SColor(255,100,101,140));
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u32 start=0;
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for (u32 count=1; count<10; ++count)
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{
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for (u32 j=0; j<count; ++j)
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{
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for (u32 x=0; x<100-start; ++x)
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{
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driver->drawPixel(start+x, start, (count%2==1)?0xffffffff:0xff000000);
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}
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++start;
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}
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}
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start=0;
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for (u32 count=1; count<10; ++count)
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{
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for (u32 j=0; j<count; ++j)
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{
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for (u32 x=0; x<100-start; ++x)
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{
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driver->drawPixel(start, start+x, (count%2==1)?0xffffffff:0xff000000);
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}
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++start;
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}
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}
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for (u32 x=0; x<100; ++x)
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{
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driver->drawPixel(x, x, 0xffff0000);
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}
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driver->endScene();
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bool result = takeScreenshotAndCompareAgainstReference(driver, "-pixelAccuracy.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 drawPixel(void)
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{
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bool result = true;
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TestWithAllDrivers(lineRender);
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TestWithAllDrivers(pixelAccuracy);
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return result;
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}
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