// // Clipping Demo // // // by Pierre-David BĂ©langer // #include "ClippingNodeTest.h" #include "../testResource.h" enum { kTagTitleLabel = 1, kTagSubtitleLabel = 2, kTagStencilNode = 100, kTagClipperNode = 101, kTagContentNode = 102, }; TESTLAYER_CREATE_FUNC(ScrollViewDemo); TESTLAYER_CREATE_FUNC(HoleDemo); TESTLAYER_CREATE_FUNC(ShapeTest); TESTLAYER_CREATE_FUNC(ShapeInvertedTest); TESTLAYER_CREATE_FUNC(SpriteTest); TESTLAYER_CREATE_FUNC(SpriteNoAlphaTest); TESTLAYER_CREATE_FUNC(SpriteInvertedTest); TESTLAYER_CREATE_FUNC(NestedTest); TESTLAYER_CREATE_FUNC(RawStencilBufferTest); TESTLAYER_CREATE_FUNC(RawStencilBufferTest2); TESTLAYER_CREATE_FUNC(RawStencilBufferTest3); TESTLAYER_CREATE_FUNC(RawStencilBufferTest4); TESTLAYER_CREATE_FUNC(RawStencilBufferTest5); TESTLAYER_CREATE_FUNC(RawStencilBufferTest6); static NEWTESTFUNC createFunctions[] = { CF(ScrollViewDemo), CF(HoleDemo), CF(ShapeTest), CF(ShapeInvertedTest), CF(SpriteTest), CF(SpriteNoAlphaTest), CF(SpriteInvertedTest), CF(NestedTest), CF(RawStencilBufferTest), CF(RawStencilBufferTest2), CF(RawStencilBufferTest3), CF(RawStencilBufferTest4), CF(RawStencilBufferTest5), CF(RawStencilBufferTest6) }; static int sceneIdx=-1; #define MAX_LAYER (sizeof(createFunctions) / sizeof(createFunctions[0])) static CCLayer* nextAction() { sceneIdx++; sceneIdx = sceneIdx % MAX_LAYER; CCLayer* pLayer = (createFunctions[sceneIdx])(); pLayer->init(); pLayer->autorelease(); return pLayer; } static CCLayer* backAction() { sceneIdx--; int total = MAX_LAYER; if( sceneIdx < 0 ) sceneIdx += total; CCLayer* pLayer = (createFunctions[sceneIdx])(); pLayer->init(); pLayer->autorelease(); return pLayer; } static CCLayer* restartAction() { CCLayer* pLayer = (createFunctions[sceneIdx])(); pLayer->init(); pLayer->autorelease(); return pLayer; } //#pragma mark Demo examples start here //@implementation BaseClippingNodeTest bool BaseClippingNodeTest::init() { if (CCLayer::init()) { CCSize s = CCDirector::sharedDirector()->getWinSize(); CCSprite *background = CCSprite::create(s_back3); background->setAnchorPoint( CCPointZero ); background->setPosition( CCPointZero ); this->addChild(background, -1); CCLabelTTF *label = CCLabelTTF::create(this->title().c_str(), "Arial", 32); this->addChild(label, 1, kTagTitleLabel); label->setPosition( ccp(s.width / 2, s.height - 50)); std::string subtitleText = this->subtitle(); if (subtitleText.length() > 0) { CCLabelTTF *subtitle = CCLabelTTF::create(subtitleText.c_str(), "Thonburi", 16); this->addChild(subtitle, 1, kTagSubtitleLabel); subtitle->setPosition(ccp(s.width / 2, s.height - 80)); } CCMenuItemImage *item1 = CCMenuItemImage::create(s_pPathB1, s_pPathB2, this, menu_selector(BaseClippingNodeTest::backCallback)); CCMenuItemImage *item2 = CCMenuItemImage::create(s_pPathR1, s_pPathR2, this, menu_selector(BaseClippingNodeTest::restartCallback)); CCMenuItemImage *item3 = CCMenuItemImage::create(s_pPathF1, s_pPathF2, this, menu_selector(BaseClippingNodeTest::nextCallback)); CCMenu *menu = CCMenu::create(item1, item2, item3, NULL); menu->setPosition( CCPointZero ); item1->setPosition( ccp(s.width / 2 - item2->getContentSize().width * 2, item2->getContentSize().height / 2)); item2->setPosition( ccp(s.width / 2, item2->getContentSize().height / 2)); item3->setPosition( ccp(s.width / 2 + item2->getContentSize().width * 2, item2->getContentSize().height / 2)); this->addChild(menu, 1); this->setup(); return true; } return false; } BaseClippingNodeTest::~BaseClippingNodeTest() { CCTextureCache::sharedTextureCache()->removeUnusedTextures(); } std::string BaseClippingNodeTest::title() { return "Clipping Demo"; } std::string BaseClippingNodeTest::subtitle() { return ""; } void BaseClippingNodeTest::restartCallback(CCObject* sender) { CCScene *s = new ClippingNodeTestScene(); s->addChild(restartAction()); CCDirector::sharedDirector()->replaceScene(s); s->release(); } void BaseClippingNodeTest::nextCallback(CCObject* sender) { CCScene *s = new ClippingNodeTestScene(); s->addChild(nextAction()); CCDirector::sharedDirector()->replaceScene(s); s->release(); } void BaseClippingNodeTest::backCallback(CCObject* sender) { CCScene *s = new ClippingNodeTestScene(); s->addChild(backAction()); CCDirector::sharedDirector()->replaceScene(s); s->release(); } void BaseClippingNodeTest::setup() { } //#pragma mark - BasicTest std::string BasicTest::title() { return "Basic Test"; } std::string BasicTest::subtitle() { return ""; } void BasicTest::setup() { CCSize s = CCDirector::sharedDirector()->getWinSize(); CCNode *stencil = this->stencil(); stencil->setTag( kTagStencilNode ); stencil->setPosition( ccp(50, 50) ); CCClippingNode *clipper = this->clipper(); clipper->setTag( kTagClipperNode ); clipper->setAnchorPoint(ccp(0.5, 0.5)); clipper->setPosition( ccp(s.width / 2 - 50, s.height / 2 - 50) ); clipper->setStencil(stencil); this->addChild(clipper); CCNode *content = this->content(); content->setPosition( ccp(50, 50) ); clipper->addChild(content); } CCAction* BasicTest::actionRotate() { return CCRepeatForever::create(CCRotateBy::create(1.0f, 90.0f)); } CCAction* BasicTest::actionScale() { CCScaleBy *scale = CCScaleBy::create(1.33f, 1.5f); return CCRepeatForever::create(CCSequence::create(scale, scale->reverse(), NULL)); } CCDrawNode* BasicTest::shape() { CCDrawNode *shape = CCDrawNode::create(); static CCPoint triangle[3]; triangle[0] = ccp(-100, -100); triangle[1] = ccp(100, -100); triangle[2] = ccp(0, 100); static ccColor4F green = {0, 1, 0, 1}; shape->drawPolygon(triangle, 3, green, 0, green); return shape; } CCSprite* BasicTest::grossini() { CCSprite *grossini = CCSprite::create(s_pPathGrossini); grossini->setScale( 1.5 ); return grossini; } CCNode* BasicTest::stencil() { return NULL; } CCClippingNode* BasicTest::clipper() { return CCClippingNode::create(); } CCNode* BasicTest::content() { return NULL; } //#pragma mark - ShapeTest std::string ShapeTest::title() { return "Shape Basic Test"; } std::string ShapeTest::subtitle() { return "A DrawNode as stencil and Sprite as content"; } CCNode* ShapeTest::stencil() { CCNode *node = this->shape(); node->runAction(this->actionRotate()); return node; } CCNode* ShapeTest::content() { CCNode *node = this->grossini(); node->runAction(this->actionScale()); return node; } //#pragma mark - ShapeInvertedTest std::string ShapeInvertedTest::title() { return "Shape Inverted Basic Test"; } std::string ShapeInvertedTest::subtitle() { return "A DrawNode as stencil and Sprite as content, inverted"; } CCClippingNode* ShapeInvertedTest::clipper() { CCClippingNode *clipper = ShapeTest::clipper(); clipper->setInverted(true); return clipper; } //#pragma mark - SpriteTest std::string SpriteTest::title() { return "Sprite Basic Test"; } std::string SpriteTest::subtitle() { return "A Sprite as stencil and DrawNode as content"; } CCNode* SpriteTest::stencil() { CCNode *node = this->grossini(); node->runAction(this->actionRotate()); return node; } CCClippingNode* SpriteTest::clipper() { CCClippingNode *clipper = BasicTest::clipper(); clipper->setAlphaThreshold(0.05f); return clipper; } CCNode* SpriteTest::content() { CCNode *node = this->shape(); node->runAction(this->actionScale()); return node; } //#pragma mark - SpriteNoAlphaTest std::string SpriteNoAlphaTest::title() { return "Sprite No Alpha Basic Test"; } std::string SpriteNoAlphaTest::subtitle() { return "A Sprite as stencil and DrawNode as content, no alpha"; } CCClippingNode* SpriteNoAlphaTest::clipper() { CCClippingNode *clipper = SpriteTest::clipper(); clipper->setAlphaThreshold(1); return clipper; } //#pragma mark - SpriteInvertedTest std::string SpriteInvertedTest::title() { return "Sprite Inverted Basic Test"; } std::string SpriteInvertedTest::subtitle() { return "A Sprite as stencil and DrawNode as content, inverted"; } CCClippingNode* SpriteInvertedTest::clipper() { CCClippingNode *clipper = SpriteTest::clipper(); clipper->setAlphaThreshold(0.05f); clipper->setInverted(true); return clipper; } //#pragma mark - NestedTest std::string NestedTest::title() { return "Nested Test"; } std::string NestedTest::subtitle() { return "Nest 9 Clipping Nodes, max is usually 8"; } void NestedTest::setup() { static int depth = 9; CCNode *parent = this; for (int i = 0; i < depth; i++) { int size = 225 - i * (225 / (depth * 2)); CCClippingNode *clipper = CCClippingNode::create(); clipper->setContentSize(CCSizeMake(size, size)); clipper->setAnchorPoint(ccp(0.5, 0.5)); clipper->setPosition( ccp(parent->getContentSize().width / 2, parent->getContentSize().height / 2) ); clipper->setAlphaThreshold(0.05f); clipper->runAction(CCRepeatForever::create(CCRotateBy::create(i % 3 ? 1.33 : 1.66, i % 2 ? 90 : -90))); parent->addChild(clipper); CCNode *stencil = CCSprite::create(s_pPathGrossini); stencil->setScale( 2.5 - (i * (2.5 / depth)) ); stencil->setAnchorPoint( ccp(0.5, 0.5) ); stencil->setPosition( ccp(clipper->getContentSize().width / 2, clipper->getContentSize().height / 2) ); stencil->setVisible(false); stencil->runAction(CCSequence::createWithTwoActions(CCDelayTime::create(i), CCShow::create())); clipper->setStencil(stencil); clipper->addChild(stencil); parent = clipper; } } //#pragma mark - HoleDemo HoleDemo::~HoleDemo() { CC_SAFE_RELEASE(m_pOuterClipper); CC_SAFE_RELEASE(m_pHoles); CC_SAFE_RELEASE(m_pHolesStencil); } std::string HoleDemo::title() { return "Hole Demo"; } std::string HoleDemo::subtitle() { return "Touch/click to poke holes"; } void HoleDemo::setup() { CCSprite *target = CCSprite::create(s_pPathBlock); target->setAnchorPoint(CCPointZero); target->setScale(3); m_pOuterClipper = CCClippingNode::create(); m_pOuterClipper->retain(); CCAffineTransform tranform = CCAffineTransformMakeIdentity(); tranform = CCAffineTransformScale(tranform, target->getScale(), target->getScale()); m_pOuterClipper->setContentSize( CCSizeApplyAffineTransform(target->getContentSize(), tranform)); m_pOuterClipper->setAnchorPoint( ccp(0.5, 0.5) ); m_pOuterClipper->setPosition( ccpMult(ccpFromSize(this->getContentSize()), 0.5f) ); m_pOuterClipper->runAction(CCRepeatForever::create(CCRotateBy::create(1, 45))); m_pOuterClipper->setStencil( target ); CCClippingNode *holesClipper = CCClippingNode::create(); holesClipper->setInverted(true); holesClipper->setAlphaThreshold( 0.05f ); holesClipper->addChild(target); m_pHoles = CCNode::create(); m_pHoles->retain(); holesClipper->addChild(m_pHoles); m_pHolesStencil = CCNode::create(); m_pHolesStencil->retain(); holesClipper->setStencil( m_pHolesStencil); m_pOuterClipper->addChild(holesClipper); this->addChild(m_pOuterClipper); this->setTouchEnabled(true); } void HoleDemo::pokeHoleAtPoint(CCPoint point) { float scale = CCRANDOM_0_1() * 0.2 + 0.9; float rotation = CCRANDOM_0_1() * 360; CCSprite *hole = CCSprite::create("Images/hole_effect.png"); hole->setPosition( point ); hole->setRotation( rotation ); hole->setScale( scale ); m_pHoles->addChild(hole); CCSprite *holeStencil = CCSprite::create("Images/hole_stencil.png"); holeStencil->setPosition( point ); holeStencil->setRotation( rotation ); holeStencil->setScale( scale ); m_pHolesStencil->addChild(holeStencil); m_pOuterClipper->runAction(CCSequence::createWithTwoActions(CCScaleBy::create(0.05f, 0.95f), CCScaleTo::create(0.125f, 1))); } void HoleDemo::ccTouchesBegan(CCSet* touches, CCEvent* event) { CCTouch *touch = (CCTouch *)touches->anyObject(); CCPoint point = m_pOuterClipper->convertToNodeSpace(CCDirector::sharedDirector()->convertToGL(touch->getLocationInView())); CCRect rect = CCRectMake(0, 0, m_pOuterClipper->getContentSize().width, m_pOuterClipper->getContentSize().height); if (!rect.containsPoint(point)) return; this->pokeHoleAtPoint(point); } //#pragma mark - ScrollViewDemo std::string ScrollViewDemo::title() { return "Scroll View Demo"; } std::string ScrollViewDemo::subtitle() { return "Move/drag to scroll the content"; } void ScrollViewDemo::setup() { CCClippingNode *clipper = CCClippingNode::create(); clipper->setTag( kTagClipperNode ); clipper->setContentSize( CCSizeMake(200, 200) ); clipper->setAnchorPoint( ccp(0.5, 0.5) ); clipper->setPosition( ccp(this->getContentSize().width / 2, this->getContentSize().height / 2) ); clipper->runAction(CCRepeatForever::create(CCRotateBy::create(1, 45))); this->addChild(clipper); CCDrawNode *stencil = CCDrawNode::create(); CCPoint rectangle[4]; rectangle[0] = ccp(0, 0); rectangle[1] = ccp(clipper->getContentSize().width, 0); rectangle[2] = ccp(clipper->getContentSize().width, clipper->getContentSize().height); rectangle[3] = ccp(0, clipper->getContentSize().height); ccColor4F white = {1, 1, 1, 1}; stencil->drawPolygon(rectangle, 4, white, 1, white); clipper->setStencil(stencil); CCSprite *content = CCSprite::create(s_back2); content->setTag( kTagContentNode ); content->setAnchorPoint( ccp(0.5, 0.5) ); content->setPosition( ccp(clipper->getContentSize().width / 2, clipper->getContentSize().height / 2) ); clipper->addChild(content); m_bScrolling = false; this->setTouchEnabled(true); } void ScrollViewDemo::ccTouchesBegan(CCSet *pTouches, CCEvent *pEvent) { CCTouch *touch = (CCTouch*)pTouches->anyObject(); CCNode *clipper = this->getChildByTag(kTagClipperNode); CCPoint point = clipper->convertToNodeSpace(CCDirector::sharedDirector()->convertToGL(touch->getLocationInView())); CCRect rect = CCRectMake(0, 0, clipper->getContentSize().width, clipper->getContentSize().height); m_bScrolling = rect.containsPoint(point); m_lastPoint = point; } void ScrollViewDemo::ccTouchesMoved(CCSet *pTouches, CCEvent *pEvent) { if (!m_bScrolling) return; CCTouch *touch = (CCTouch*)pTouches->anyObject(); CCNode *clipper = this->getChildByTag(kTagClipperNode); CCPoint point = clipper->convertToNodeSpace(CCDirector::sharedDirector()->convertToGL(touch->getLocationInView())); CCPoint diff = ccpSub(point, m_lastPoint); CCNode *content = clipper->getChildByTag(kTagContentNode); content->setPosition( ccpAdd(content->getPosition(), diff) ); m_lastPoint = point; } void ScrollViewDemo::ccTouchesEnded(CCSet *pTouches, CCEvent *pEvent) { if (!m_bScrolling) return; m_bScrolling = false; } //#pragma mark - RawStencilBufferTests //#if COCOS2D_DEBUG > 1 static GLint _stencilBits = -1; static const GLfloat _alphaThreshold = 0.05f; static const int _planeCount = 8; static const ccColor4F _planeColor[] = { {0, 0, 0, 0.65f}, {0.7f, 0, 0, 0.6f}, {0, 0.7f, 0, 0.55f}, {0, 0, 0.7f, 0.5f}, {0.7f, 0.7f, 0, 0.45f}, {0, 0.7f, 0.7f, 0.4f}, {0.7f, 0, 0.7f, 0.35f}, {0.7f, 0.7f, 0.7f, 0.3f}, }; RawStencilBufferTest::~RawStencilBufferTest() { CC_SAFE_RELEASE(m_pSprite); } std::string RawStencilBufferTest::title() { return "Raw Stencil Tests"; } std::string RawStencilBufferTest::subtitle() { return "1:Default"; } void RawStencilBufferTest::setup() { glGetIntegerv(GL_STENCIL_BITS, &_stencilBits); if (_stencilBits < 3) { CCLOGWARN("Stencil must be enabled for the current CCGLView."); } m_pSprite = CCSprite::create(s_pPathGrossini); m_pSprite->retain(); m_pSprite->setAnchorPoint( ccp(0.5, 0) ); m_pSprite->setScale( 2.5f ); CCDirector::sharedDirector()->setAlphaBlending(true); } void RawStencilBufferTest::draw() { CCPoint winPoint = ccpFromSize(CCDirector::sharedDirector()->getWinSize()); CCPoint planeSize = ccpMult(winPoint, 1.0 / _planeCount); glEnable(GL_STENCIL_TEST); CHECK_GL_ERROR_DEBUG(); for (int i = 0; i < _planeCount; i++) { CCPoint stencilPoint = ccpMult(planeSize, _planeCount - i); stencilPoint.x = winPoint.x; CCPoint spritePoint = ccpMult(planeSize, i); spritePoint.x += planeSize.x / 2; spritePoint.y = 0; m_pSprite->setPosition( spritePoint ); this->setupStencilForClippingOnPlane(i); CHECK_GL_ERROR_DEBUG(); ccDrawSolidRect(CCPointZero, stencilPoint, ccc4f(1, 1, 1, 1)); kmGLPushMatrix(); this->transform(); m_pSprite->visit(); kmGLPopMatrix(); this->setupStencilForDrawingOnPlane(i); CHECK_GL_ERROR_DEBUG(); ccDrawSolidRect(CCPointZero, winPoint, _planeColor[i]); kmGLPushMatrix(); this->transform(); m_pSprite->visit(); kmGLPopMatrix(); } glDisable(GL_STENCIL_TEST); CHECK_GL_ERROR_DEBUG(); } void RawStencilBufferTest::setupStencilForClippingOnPlane(GLint plane) { GLint planeMask = 0x1 << plane; glStencilMask(planeMask); glClearStencil(0x0); glClear(GL_STENCIL_BUFFER_BIT); glFlush(); glStencilFunc(GL_NEVER, planeMask, planeMask); glStencilOp(GL_REPLACE, GL_KEEP, GL_KEEP); } void RawStencilBufferTest::setupStencilForDrawingOnPlane(GLint plane) { GLint planeMask = 0x1 << plane; GLint equalOrLessPlanesMask = planeMask | (planeMask - 1); glStencilFunc(GL_EQUAL, equalOrLessPlanesMask, equalOrLessPlanesMask); glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); } //@implementation RawStencilBufferTest2 std::string RawStencilBufferTest2::subtitle() { return "2:DepthMask:FALSE"; } void RawStencilBufferTest2::setupStencilForClippingOnPlane(GLint plane) { RawStencilBufferTest::setupStencilForClippingOnPlane(plane); glDepthMask(GL_FALSE); } void RawStencilBufferTest2::setupStencilForDrawingOnPlane(GLint plane) { glDepthMask(GL_TRUE); RawStencilBufferTest::setupStencilForDrawingOnPlane(plane); } //@implementation RawStencilBufferTest3 std::string RawStencilBufferTest3::subtitle() { return "3:DepthTest:DISABLE,DepthMask:FALSE"; } void RawStencilBufferTest3::setupStencilForClippingOnPlane(GLint plane) { RawStencilBufferTest::setupStencilForClippingOnPlane(plane); glDisable(GL_DEPTH_TEST); glDepthMask(GL_FALSE); } void RawStencilBufferTest3::setupStencilForDrawingOnPlane(GLint plane) { glDepthMask(GL_TRUE); //glEnable(GL_DEPTH_TEST); RawStencilBufferTest::setupStencilForDrawingOnPlane(plane); } //@implementation RawStencilBufferTest4 std::string RawStencilBufferTest4::subtitle() { return "4:DepthMask:FALSE,AlphaTest:ENABLE"; } void RawStencilBufferTest4::setupStencilForClippingOnPlane(GLint plane) { RawStencilBufferTest::setupStencilForClippingOnPlane(plane); glDepthMask(GL_FALSE); #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_GREATER, _alphaThreshold); #else CCGLProgram *program = CCShaderCache::sharedShaderCache()->programForKey(kCCShader_PositionTextureColorAlphaTest); GLint alphaValueLocation = glGetUniformLocation(program->getProgram(), kCCUniformAlphaTestValue); program->setUniformLocationWith1f(alphaValueLocation, _alphaThreshold); m_pSprite->setShaderProgram(program ); #endif } void RawStencilBufferTest4::setupStencilForDrawingOnPlane(GLint plane) { #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) glDisable(GL_ALPHA_TEST); #endif glDepthMask(GL_TRUE); RawStencilBufferTest::setupStencilForDrawingOnPlane(plane); } //@implementation RawStencilBufferTest5 std::string RawStencilBufferTest5::subtitle() { return "5:DepthTest:DISABLE,DepthMask:FALSE,AlphaTest:ENABLE"; } void RawStencilBufferTest5::setupStencilForClippingOnPlane(GLint plane) { RawStencilBufferTest::setupStencilForClippingOnPlane(plane); glDisable(GL_DEPTH_TEST); glDepthMask(GL_FALSE); #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_GREATER, _alphaThreshold); #else CCGLProgram *program = CCShaderCache::sharedShaderCache()->programForKey(kCCShader_PositionTextureColorAlphaTest); GLint alphaValueLocation = glGetUniformLocation(program->getProgram(), kCCUniformAlphaTestValue); program->setUniformLocationWith1f(alphaValueLocation, _alphaThreshold); m_pSprite->setShaderProgram( program ); #endif } void RawStencilBufferTest5::setupStencilForDrawingOnPlane(GLint plane) { #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) glDisable(GL_ALPHA_TEST); #endif glDepthMask(GL_TRUE); //glEnable(GL_DEPTH_TEST); RawStencilBufferTest::setupStencilForDrawingOnPlane(plane); } //@implementation RawStencilBufferTest6 std::string RawStencilBufferTest6::subtitle() { return "6:ManualClear,AlphaTest:ENABLE"; } void RawStencilBufferTest6::setup() { #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) CCPoint winPoint = ccpFromSize(CCDirector::sharedDirector()->getWinSize()); unsigned char bits = 0; glStencilMask(~0); glClearStencil(0); glClear(GL_STENCIL_BUFFER_BIT); glFlush(); glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &bits); CCLabelTTF *clearToZeroLabel = CCLabelTTF::create(CCString::createWithFormat("00=%02x", bits)->getCString(), "Arial", 20); clearToZeroLabel->setPosition( ccp((winPoint.x / 3) * 1, winPoint.y - 10) ); this->addChild(clearToZeroLabel); glStencilMask(0x0F); glClearStencil(0xAA); glClear(GL_STENCIL_BUFFER_BIT); glFlush(); glReadPixels(0, 0, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &bits); CCLabelTTF *clearToMaskLabel = CCLabelTTF::create(CCString::createWithFormat("0a=%02x", bits)->getCString(), "Arial", 20); clearToMaskLabel->setPosition( ccp((winPoint.x / 3) * 2, winPoint.y - 10) ); this->addChild(clearToMaskLabel); #endif glStencilMask(~0); RawStencilBufferTest::setup(); } void RawStencilBufferTest6::setupStencilForClippingOnPlane(GLint plane) { GLint planeMask = 0x1 << plane; glStencilMask(planeMask); glStencilFunc(GL_NEVER, 0, planeMask); glStencilOp(GL_REPLACE, GL_KEEP, GL_KEEP); ccDrawSolidRect(CCPointZero, ccpFromSize(CCDirector::sharedDirector()->getWinSize()), ccc4f(1, 1, 1, 1)); glStencilFunc(GL_NEVER, planeMask, planeMask); glStencilOp(GL_REPLACE, GL_KEEP, GL_KEEP); glDisable(GL_DEPTH_TEST); glDepthMask(GL_FALSE); #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_GREATER, _alphaThreshold); #else CCGLProgram *program = CCShaderCache::sharedShaderCache()->programForKey(kCCShader_PositionTextureColorAlphaTest); GLint alphaValueLocation = glGetUniformLocation(program->getProgram(), kCCUniformAlphaTestValue); program->setUniformLocationWith1f(alphaValueLocation, _alphaThreshold); m_pSprite->setShaderProgram(program); #endif glFlush(); } void RawStencilBufferTest6::setupStencilForDrawingOnPlane(GLint plane) { #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) glDisable(GL_ALPHA_TEST); #endif glDepthMask(GL_TRUE); //glEnable(GL_DEPTH_TEST); RawStencilBufferTest::setupStencilForDrawingOnPlane(plane); glFlush(); } //#endif // COCOS2D_DEBUG > 1 void ClippingNodeTestScene::runThisTest() { CCLayer* pLayer = nextAction(); addChild(pLayer); CCDirector::sharedDirector()->replaceScene(this); }