irrlicht/tests/renderTargetTexture.cpp

393 lines
13 KiB
C++

// 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", 99.9f);
device->closeDevice();
device->run();
device->drop();
return result;
}
bool rttAndZBuffer(video::E_DRIVER_TYPE driverType)
{
SIrrlichtCreationParameters cp;
cp.WindowSize.set(160,120);
cp.Bits = 32;
cp.AntiAlias = 4;
cp.DriverType = driverType;
IrrlichtDevice* nullDevice = createDevice(EDT_NULL);
cp.WindowSize = nullDevice->getVideoModeList()->getDesktopResolution();
nullDevice->drop();
cp.WindowSize -= dimension2d<u32>(100, 100);
IrrlichtDevice* device = createDeviceEx(cp);
if (!device)
return true;
IVideoDriver* vd = device->getVideoDriver();
ISceneManager* sm = device->getSceneManager();
if (!vd->queryFeature(video::EVDF_RENDER_TO_TARGET))
return true;
ITexture* rt = vd->addRenderTargetTexture(cp.WindowSize, "rt", ECF_A32B32G32R32F);
S3DVertex vertices[4];
vertices[0].Pos.Z = vertices[1].Pos.Z = vertices[2].Pos.Z = vertices[3].Pos.Z = 1.0f;
vertices[0].Pos.Y = vertices[1].Pos.Y = 1.0f;
vertices[2].Pos.Y = vertices[3].Pos.Y = -1.0f;
vertices[0].Pos.X = vertices[3].Pos.X = -1.0f;
vertices[1].Pos.X = vertices[2].Pos.X = 1.0f;
vertices[0].TCoords.Y = vertices[1].TCoords.Y = 0.0f;
vertices[2].TCoords.Y = vertices[3].TCoords.Y = 1.0f;
vertices[0].TCoords.X = vertices[3].TCoords.X = 1.0f;
vertices[1].TCoords.X = vertices[2].TCoords.X = 0.0f;
u16 indices[6] = {0, 1, 3, 1, 2, 3};
SMaterial rtMat;
rtMat.BackfaceCulling = false;
rtMat.Lighting = false;
rtMat.TextureLayer[0].TextureWrapU =
rtMat.TextureLayer[0].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
ILightSceneNode* light = sm->addLightSceneNode(NULL, vector3df(0, 50, 0),
SColorf(1, 1, 1), 100);
SLight& lightData = light->getLightData();
ICameraSceneNode* cam = sm->addCameraSceneNode(NULL, vector3df(0, 10, 0));
const IGeometryCreator* geom = sm->getGeometryCreator();
IMeshManipulator* manip = sm->getMeshManipulator();
IMesh* mesh;
ISceneNode* node;
mesh = geom->createCubeMesh(vector3df(10, 10, 10));
manip->setVertexColors(mesh, SColor(255, 0, 0, 255));
node = sm->addMeshSceneNode(mesh, NULL, -1, vector3df(0, 0, 30));
node->getMaterial(0).EmissiveColor = SColor(255, 0, 0, 30);
mesh->drop();
mesh = geom->createSphereMesh(5.0f, 32, 32);
node = sm->addMeshSceneNode(mesh, NULL, -1, vector3df(0, 0, 50));
node->getMaterial(0).EmissiveColor = SColor(255, 30, 30, 30);
mesh->drop();
mesh = geom->createConeMesh(5.0f, 10.0f, 32, SColor(255, 255, 0, 0), SColor(255, 255, 0, 0));
node = sm->addMeshSceneNode(mesh, NULL, -1, vector3df(0, 0, 70));
node->getMaterial(0).EmissiveColor = SColor(255, 30, 0, 0);
mesh->drop();
{
vd->beginScene(true, true, SColor(255, 0, 0, 0));
vd->setRenderTarget(rt);
sm->drawAll();
vd->setRenderTarget(NULL);
vd->setTransform(ETS_WORLD, core::IdentityMatrix);
vd->setTransform(ETS_VIEW, core::IdentityMatrix);
vd->setTransform(ETS_PROJECTION, core::IdentityMatrix);
rtMat.setTexture(0, rt);
vd->setMaterial(rtMat);
vd->drawIndexedTriangleList(vertices, 4, indices, 2);
vd->endScene();
}
bool result = takeScreenshotAndCompareAgainstReference(vd, "-rttAndZBuffer.png");
device->closeDevice();
device->run();
device->drop();
return result;
}
// result should be two times the same blind text on the left side, and
// the fireball image (with a very small text inside) in the middle of the screen
// drivers that don't support image scaling will show a pink background instead
bool rttAndText(video::E_DRIVER_TYPE driverType)
{
IrrlichtDevice* device = createDevice(driverType, dimension2d<u32>(160, 120));
if (!device)
return true;
IVideoDriver* driver = device->getVideoDriver();
IGUIEnvironment* guienv = device->getGUIEnvironment();
//RTT
ITexture* rt = driver->addRenderTargetTexture(core::dimension2d<u32>(256, 256), "rt");
if (!rt)
return false;
driver->beginScene(true, true, SColor(255,255, 255, 255));
driver->setRenderTarget(rt, true, true, video::SColor(255,255,0,255));
driver->draw2DImage(driver->getTexture("../media/fireball.bmp"), recti(0, 0,rt->getSize().Width,rt->getSize().Height), recti(0,0,64,64));
guienv->getBuiltInFont()->draw(L"OMGGG =!", rect<s32>(120, 100, 256, 256), SColor(255, 0, 0, 255));
driver->setRenderTarget(0);
driver->endScene();
ISceneManager* smgr = device->getSceneManager();
ISceneNode* cube = smgr->addCubeSceneNode(20);
cube->setMaterialFlag(EMF_LIGHTING, false);
cube->setMaterialTexture(0, rt); // set material of cube to render target
smgr->addCameraSceneNode(0, vector3df(0, 0, -30));
// create a long text to produce much difference in failing result pictures
gui::IGUIStaticText* text = guienv->addStaticText(L"asdddddddoamgmoasmgom\nfoaomsodommogdd\nddddddddd", rect<s32>(10, 20, 100, 160));
driver->beginScene(true, true, SColor(255,255, 255, 255));
cube->setVisible(false);
smgr->drawAll();
guienv->drawAll();
cube->setVisible(true);
smgr->drawAll();
SMaterial mat(cube->getMaterial(0));
driver->setMaterial(mat);
text->setRelativePosition(core::position2di(10,30));
guienv->drawAll();
driver->endScene();
bool result = takeScreenshotAndCompareAgainstReference(driver, "-rttAndText.png");
device->closeDevice();
device->run();
device->drop();
return result;
}
static void Render(IrrlichtDevice* device, ITexture* rt, vector3df& pos1,
vector3df& pos2, IAnimatedMesh* sphereMesh, vector3df& pos3, vector3df& pos4)
{
device->getVideoDriver()->setRenderTarget(rt);
device->getSceneManager()->drawAll();
video::SMaterial mat;
mat.ColorMaterial=video::ECM_NONE;
mat.AmbientColor.set(255, 80, 80, 80);
mat.DiffuseColor.set(255, 120, 30, 210);
mat.SpecularColor.set(255,80,80,80);
mat.Shininess = 8.f;
core::matrix4 m;
m.setTranslation(pos1);
device->getVideoDriver()->setTransform(video::ETS_WORLD, m);
device->getVideoDriver()->setMaterial(mat);
device->getVideoDriver()->drawMeshBuffer(sphereMesh->getMeshBuffer(0));
m.setTranslation(pos2);
mat.Shininess=0.f;
device->getVideoDriver()->setTransform(video::ETS_WORLD, m);
device->getVideoDriver()->setMaterial(mat);
device->getVideoDriver()->drawMeshBuffer(sphereMesh->getMeshBuffer(0));
m.setTranslation(pos3);
mat.Shininess=8.f;
device->getVideoDriver()->setTransform(video::ETS_WORLD, m);
device->getVideoDriver()->setMaterial(mat);
device->getVideoDriver()->drawMeshBuffer(sphereMesh->getMeshBuffer(0));
m.setTranslation(pos4);
mat.Shininess=0.f;
device->getVideoDriver()->setTransform(video::ETS_WORLD, m);
device->getVideoDriver()->setMaterial(mat);
device->getVideoDriver()->drawMeshBuffer(sphereMesh->getMeshBuffer(0));
}
bool rttAndAntiAliasing(video::E_DRIVER_TYPE driverType)
{
SIrrlichtCreationParameters cp;
cp.DriverType = driverType;
cp.WindowSize = core::dimension2di(160, 120);
cp.AntiAlias = 2;
cp.Vsync = true;
IrrlichtDevice* device = createDeviceEx(cp);
if (!device)
return true;
IVideoDriver* driver = device->getVideoDriver();
// sphere mesh
scene::IAnimatedMesh* sphereMesh = device->getSceneManager()->addSphereMesh("atom", 1, 32, 32);
// cam
scene::ICameraSceneNode* cam = device->getSceneManager()->addCameraSceneNode(NULL, vector3df(0, 1, -5), vector3df(0, 0, 0));
cam->setNearValue(0.01f);
cam->setFarValue(100.f);
cam->updateAbsolutePosition();
device->getSceneManager()->setActiveCamera(cam);
device->getSceneManager()->addLightSceneNode(0, core::vector3df(10,10,10));
device->getSceneManager()->setAmbientLight(SColorf(0.3f,0.3f,0.3f));
float radius = 3.f;
vector3df pos1(-radius,0,0);
vector3df pos2(radius,0,0);
vector3df pos3(0,0,radius);
vector3df pos4(0,0,-radius);
matrix4 m;
IGUIStaticText* st = device->getGUIEnvironment()->addStaticText(L"", recti(0,0,200,20), false, false);
st->setOverrideColor(SColor(255,255,255,0));
dimension2du dim_txt = dimension2du(160/2, 120/2);
ITexture* rt0 = NULL;
ITexture* rt1 = device->getVideoDriver()->addRenderTargetTexture(dim_txt, "rt1", device->getColorFormat());
ITexture* rt2 = device->getVideoDriver()->addRenderTargetTexture(dim_txt, "rt2", device->getColorFormat());
ITexture* rt3 = device->getVideoDriver()->addRenderTargetTexture(dim_txt, "rt3", video::ECF_A8R8G8B8);//device->getColorFormat());
ITexture* rt4 = device->getVideoDriver()->addRenderTargetTexture(dim_txt, "rt4", device->getColorFormat());
device->getSceneManager()->setActiveCamera(cam);
device->getVideoDriver()->beginScene(); //true, true, SColor(0, 30, 40, 60));
#if 1
st->setText(L"Texture Rendering");
Render(device, rt1, pos1, pos2, sphereMesh, pos3, pos4);
Render(device, rt2, pos1, pos2, sphereMesh, pos3, pos4);
Render(device, rt3, pos1, pos2, sphereMesh, pos3, pos4);
Render(device, rt4, pos1, pos2, sphereMesh, pos3, pos4);
device->getVideoDriver()->setRenderTarget(0);
device->getVideoDriver()->draw2DImage(rt1, core::position2di(0,0));
device->getVideoDriver()->draw2DImage(rt2, core::position2di(80,0));
device->getVideoDriver()->draw2DImage(rt3, core::position2di(0,60));
device->getVideoDriver()->draw2DImage(rt4, core::position2di(80,60));
#else
Render(device, rt0, pos1, pos2, sphereMesh, pos3, pos4);
#endif
st->draw();
device->getVideoDriver()->endScene();
bool result = takeScreenshotAndCompareAgainstReference(driver, "-rttAndAntiAlias.png");
device->closeDevice();
device->run();
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);
#if 0
passed &= rttAndZBuffer(EDT_OPENGL);
passed &= rttAndZBuffer(EDT_SOFTWARE);
passed &= rttAndZBuffer(EDT_BURNINGSVIDEO);
passed &= rttAndZBuffer(EDT_DIRECT3D9);
passed &= rttAndZBuffer(EDT_DIRECT3D8);
#endif
passed &= rttAndAntiAliasing(EDT_OPENGL);
// passed &= rttAndAntiAliasing(EDT_SOFTWARE);
passed &= rttAndAntiAliasing(EDT_BURNINGSVIDEO);
passed &= rttAndAntiAliasing(EDT_DIRECT3D9);
passed &= rttAndAntiAliasing(EDT_DIRECT3D8);
passed &= rttAndText(EDT_OPENGL);
passed &= rttAndText(EDT_DIRECT3D9);
passed &= rttAndText(EDT_DIRECT3D8);
passed &= rttAndText(EDT_BURNINGSVIDEO);
passed &= rttAndText(EDT_SOFTWARE);
return passed;
}