axmol/samples/Cpp/TestCpp/Classes/ClippingNodeTest/ClippingNodeTest.cpp

852 lines
23 KiB
C++

//
// Clipping Demo
//
//
// by Pierre-David Bélanger
//
#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 (BaseTest::init()) {
CCSprite *background = CCSprite::create(s_back3);
background->setAnchorPoint( CCPointZero );
background->setPosition( CCPointZero );
this->addChild(background, -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(_outerClipper);
CC_SAFE_RELEASE(_holes);
CC_SAFE_RELEASE(_holesStencil);
}
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);
_outerClipper = CCClippingNode::create();
_outerClipper->retain();
CCAffineTransform tranform = CCAffineTransformMakeIdentity();
tranform = CCAffineTransformScale(tranform, target->getScale(), target->getScale());
_outerClipper->setContentSize( CCSizeApplyAffineTransform(target->getContentSize(), tranform));
_outerClipper->setAnchorPoint( ccp(0.5, 0.5) );
_outerClipper->setPosition( ccpMult(ccpFromSize(this->getContentSize()), 0.5f) );
_outerClipper->runAction(CCRepeatForever::create(CCRotateBy::create(1, 45)));
_outerClipper->setStencil( target );
CCClippingNode *holesClipper = CCClippingNode::create();
holesClipper->setInverted(true);
holesClipper->setAlphaThreshold( 0.05f );
holesClipper->addChild(target);
_holes = CCNode::create();
_holes->retain();
holesClipper->addChild(_holes);
_holesStencil = CCNode::create();
_holesStencil->retain();
holesClipper->setStencil( _holesStencil);
_outerClipper->addChild(holesClipper);
this->addChild(_outerClipper);
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 );
_holes->addChild(hole);
CCSprite *holeStencil = CCSprite::create("Images/hole_stencil.png");
holeStencil->setPosition( point );
holeStencil->setRotation( rotation );
holeStencil->setScale( scale );
_holesStencil->addChild(holeStencil);
_outerClipper->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 = _outerClipper->convertToNodeSpace(CCDirector::sharedDirector()->convertToGL(touch->getLocationInView()));
CCRect rect = CCRectMake(0, 0, _outerClipper->getContentSize().width, _outerClipper->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);
_scrolling = 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);
_scrolling = rect.containsPoint(point);
_lastPoint = point;
}
void ScrollViewDemo::ccTouchesMoved(CCSet *pTouches, CCEvent *pEvent)
{
if (!_scrolling) return;
CCTouch *touch = (CCTouch*)pTouches->anyObject();
CCNode *clipper = this->getChildByTag(kTagClipperNode);
CCPoint point = clipper->convertToNodeSpace(CCDirector::sharedDirector()->convertToGL(touch->getLocationInView()));
CCPoint diff = ccpSub(point, _lastPoint);
CCNode *content = clipper->getChildByTag(kTagContentNode);
content->setPosition( ccpAdd(content->getPosition(), diff) );
_lastPoint = point;
}
void ScrollViewDemo::ccTouchesEnded(CCSet *pTouches, CCEvent *pEvent)
{
if (!_scrolling) return;
_scrolling = 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(_sprite);
}
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.");
}
_sprite = CCSprite::create(s_pPathGrossini);
_sprite->retain();
_sprite->setAnchorPoint( ccp(0.5, 0) );
_sprite->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;
_sprite->setPosition( spritePoint );
this->setupStencilForClippingOnPlane(i);
CHECK_GL_ERROR_DEBUG();
ccDrawSolidRect(CCPointZero, stencilPoint, ccc4f(1, 1, 1, 1));
kmGLPushMatrix();
this->transform();
_sprite->visit();
kmGLPopMatrix();
this->setupStencilForDrawingOnPlane(i);
CHECK_GL_ERROR_DEBUG();
ccDrawSolidRect(CCPointZero, winPoint, _planeColor[i]);
kmGLPushMatrix();
this->transform();
_sprite->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);
_sprite->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);
_sprite->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);
_sprite->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);
}