Add rtt test case from stefbuet.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2798 dfc29bdd-3216-0410-991c-e03cc46cb475

tests/main.cpp

@@ -93,6 +93,7 @@ int main(int argumentCount, char * arguments[])
 	TEST(testGeometryCreator);
 	TEST(makeColorKeyTexture);
 	TEST(testXML);
+	TEST(renderTargetTexture);
 	// TODO: Needs to be checked first.
 //	TEST(projectionMatrix);
 	TEST(terrainSceneNode);

tests/renderTargetTexture.cpp

+// 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;
+using namespace io;
+using namespace gui;
+
+//! Tests rendering RTTs with draw2DImage
+/** This test is very special in its setup, problematic situation was found by stefbuet. */
+static bool testWith2DImage(E_DRIVER_TYPE driverType)
+{
+	IrrlichtDevice *device = createDevice (driverType, core::dimension2d < u32 > (128, 128));
+	if (!device)
+		return true; // No error if device does not exist
+
+	device->setWindowCaption (L"Irrlicht - RTT Bug report");
+	IVideoDriver *driver = device->getVideoDriver ();
+	ISceneManager *smgr = device->getSceneManager ();
+
+	ITexture *image = driver->getTexture ("../media/irrlichtlogo2.png");
+	ITexture *RTT_texture = driver->addRenderTargetTexture (core::dimension2d < u32 > (128, 128));
+
+	smgr->addCameraSceneNode (0, core::vector3df (100, 100, 100),
+			      core::vector3df (0, 0, 0));
+
+	/*to reproduce the bug :
+	-draw the image : it's normal
+	-apply an RTT texture to a model
+	-remove the model
+	-draw the image again : it's flipped
+	*/
+
+	SColor colors[4]={0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff};
+	//draw the image :
+	driver->beginScene (true, true, video::SColor (255, 200, 200, 200));
+	driver->draw2DImage (image,
+		       core::rect < s32 >
+		       (64 - image->getSize ().Width / 2,
+			64 - image->getSize ().Height / 2,
+			64 + image->getSize ().Width / 2,
+			64 + image->getSize ().Height / 2),
+		       core::rect < s32 > (0, 0, image->getSize ().Width,
+					   image->getSize ().Height), 0, colors,
+		       true);
+	driver->endScene ();
+
+	//then create a model and apply to it the RTT Texture
+	//rendering the model is important, if not rendered 1 time, bug won't appear.
+	//after the render, we remove the node : important, if not done, bug won't appear too.
+	IMesh *modelMesh = smgr->getMesh ("../media/earth.x");
+	ISceneNode *modelNode = smgr->addMeshSceneNode(modelMesh);
+	modelNode->setMaterialTexture (0, RTT_texture);
+	driver->beginScene (true, true, video::SColor (255, 200, 200, 200));
+	smgr->drawAll ();
+	driver->endScene ();
+
+	modelNode->remove ();
+
+	//then we render the image normaly
+	//it's now fliped...
+	for (u32 i=0; i<10; ++i)
+	{
+		driver->beginScene (true, true, video::SColor (255, 200, 200, 200));
+
+		//draw img
+		driver->draw2DImage (image,
+				   core::rect < s32 >
+				   (64 - image->getSize ().Width / 2,
+				    64 - image->getSize ().Height / 2,
+				    64 + image->getSize ().Width / 2,
+				    64 + image->getSize ().Height / 2),
+				   core::rect < s32 > (0, 0, image->getSize ().Width,
+						       image->getSize ().Height), 0,
+				   colors, true);
+
+		//call this is important :
+		//if not called, the bug won't appear
+		smgr->drawAll ();
+
+		driver->endScene ();
+	}
+
+	bool result = takeScreenshotAndCompareAgainstReference(driver, "-rttWith2DImage.png", 100);
+
+	device->drop();
+
+	return result;
+}
+
+
+bool renderTargetTexture(void)
+{
+	bool passed = true;
+
+	passed &= testWith2DImage(EDT_OPENGL);
+	passed &= testWith2DImage(EDT_SOFTWARE);
+	passed &= testWith2DImage(EDT_BURNINGSVIDEO);
+	passed &= testWith2DImage(EDT_DIRECT3D9);
+	passed &= testWith2DImage(EDT_DIRECT3D8);
+
+	return passed;
+}
+

tests/tests-last-passed-at.txt

-Test suite pass at GMT Tue Nov  3 16:01:37 2009
+Test suite pass at GMT Wed Nov  4 10:31:24 2009