// RenderTextureTest
RenderTextureTargetNode::RenderTextureTargetNode()
{
/*
* 1 2
* A: A1 A2
*
* B: B1 B2
*
* A1: premulti sprite
* A2: premulti render
*
* B1: non-premulti sprite
* B2: non-premulti render
*/
auto background = LayerColor::create(Color4B(40,40,40,255));
addChild(background);
// sprite 1
sprite1 = Sprite::create("Images/fire.png");
// sprite 2
sprite2 = Sprite::create("Images/fire_rgba8888.pvr");
auto s = Director::getInstance()->getWinSize();
/* Create the render texture */
auto renderTexture = RenderTexture::create(s.width, s.height, Texture2D::PixelFormat::RGBA4444);
this->renderTexture = renderTexture;
renderTexture->setPosition(Point(s.width/2, s.height/2));
// [renderTexture setPosition:Point(s.width, s.height)];
// renderTexture.scale = 2;
/* add the sprites to the render texture */
renderTexture->addChild(sprite1);
renderTexture->addChild(sprite2);
renderTexture->setClearColor(Color4F(0, 0, 0, 0));
renderTexture->setClearFlags(GL_COLOR_BUFFER_BIT);
/* add the render texture to the scene */
addChild(renderTexture);
renderTexture->setAutoDraw(true);
scheduleUpdate();
// Toggle clear on / off
auto item = MenuItemFont::create("Clear On/Off", CC_CALLBACK_1(RenderTextureTargetNode::touched, this));
auto menu = Menu::create(item, NULL);
addChild(menu);
menu->setPosition(Point(s.width/2, s.height/2));
}
void RenderTexture::beginWithClear(float r, float g, float b, float a, float depthValue, int stencilValue, GLbitfield flags)
{
setClearColor(Color4F(r, g, b, a));
setClearDepth(depthValue);
setClearStencil(stencilValue);
setClearFlags(flags);
this->begin();
//clear screen
_beginWithClearCommand.init(_globalZOrder);
_beginWithClearCommand.func = CC_CALLBACK_0(RenderTexture::onClear, this);
Director::getInstance()->getRenderer()->addCommand(&_beginWithClearCommand);
}