axmol/cocos/platform/ios/CCGLViewImpl-ios.mm

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/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#import <UIKit/UIKit.h>
#include "platform/ios/CCEAGLView-ios.h"
#include "platform/ios/CCDirectorCaller-ios.h"
#include "platform/ios/CCGLViewImpl-ios.h"
#include "base/CCTouch.h"
#include "base/CCDirector.h"
NS_CC_BEGIN
void* GLViewImpl::_pixelFormat = kEAGLColorFormatRGB565;
int GLViewImpl::_depthFormat = GL_DEPTH_COMPONENT16;
int GLViewImpl::_multisamplingCount = 0;
GLViewImpl* GLViewImpl::createWithEAGLView(void *eaglview)
{
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auto ret = new GLViewImpl;
if(ret->initWithEAGLView(eaglview)) {
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ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return nullptr;
}
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GLViewImpl* GLViewImpl::create(std::string_view viewName)
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{
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auto ret = new GLViewImpl;
if(ret->initWithFullScreen(viewName)) {
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ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return nullptr;
}
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GLViewImpl* GLViewImpl::createWithRect(std::string_view viewName, const Rect& rect, float frameZoomFactor)
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{
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auto ret = new GLViewImpl;
if(ret->initWithRect(viewName, rect, frameZoomFactor)) {
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ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return nullptr;
}
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GLViewImpl* GLViewImpl::createWithFullScreen(std::string_view viewName)
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{
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auto ret = new GLViewImpl();
if(ret->initWithFullScreen(viewName)) {
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ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return nullptr;
}
void GLViewImpl::convertAttrs()
{
if(_glContextAttrs.redBits==8 && _glContextAttrs.greenBits==8 && _glContextAttrs.blueBits==8 && _glContextAttrs.alphaBits==8)
{
_pixelFormat = kEAGLColorFormatRGBA8;
} else if (_glContextAttrs.redBits==5 && _glContextAttrs.greenBits==6 && _glContextAttrs.blueBits==5 && _glContextAttrs.alphaBits==0)
{
_pixelFormat = kEAGLColorFormatRGB565;
} else
{
CCASSERT(0, "Unsupported render buffer pixel format. Using default");
}
if(_glContextAttrs.depthBits==24 && _glContextAttrs.stencilBits==8)
{
_depthFormat = GL_DEPTH24_STENCIL8_OES;
} else if (_glContextAttrs.depthBits==0 && _glContextAttrs.stencilBits==0)
{
_depthFormat = 0;
} else
{
CCASSERT(0, "Unsupported format for depth and stencil buffers. Using default");
}
_multisamplingCount = _glContextAttrs.multisamplingCount;
}
GLViewImpl::GLViewImpl()
{
}
GLViewImpl::~GLViewImpl()
{
//CCEAGLView *glview = (CCEAGLView*) _eaglview;
//[glview release];
}
bool GLViewImpl::initWithEAGLView(void *eaglview)
{
_eaglview = eaglview;
CCEAGLView *glview = (CCEAGLView*) _eaglview;
_screenSize.width = _designResolutionSize.width = [glview getWidth];
_screenSize.height = _designResolutionSize.height = [glview getHeight];
// _scaleX = _scaleY = [glview contentScaleFactor];
return true;
}
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bool GLViewImpl::initWithRect(std::string_view viewName, const Rect& rect, float frameZoomFactor)
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{
CGRect r = CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
convertAttrs();
CCEAGLView *eaglview = [CCEAGLView viewWithFrame: r
pixelFormat: (NSString*)_pixelFormat
depthFormat: _depthFormat
preserveBackbuffer: NO
sharegroup: nil
multiSampling: NO
numberOfSamples: 0];
// Not available on tvOS
#if !defined(CC_TARGET_OS_TVOS)
[eaglview setMultipleTouchEnabled:YES];
#endif
_screenSize.width = _designResolutionSize.width = [eaglview getWidth];
_screenSize.height = _designResolutionSize.height = [eaglview getHeight];
// _scaleX = _scaleY = [eaglview contentScaleFactor];
_eaglview = eaglview;
return true;
}
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bool GLViewImpl::initWithFullScreen(std::string_view viewName)
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{
CGRect rect = [[UIScreen mainScreen] bounds];
Rect r;
r.origin.x = rect.origin.x;
r.origin.y = rect.origin.y;
r.size.width = rect.size.width;
r.size.height = rect.size.height;
return initWithRect(viewName, r, 1);
}
bool GLViewImpl::isOpenGLReady()
{
return _eaglview != nullptr;
}
bool GLViewImpl::setContentScaleFactor(float contentScaleFactor)
{
CC_ASSERT(_resolutionPolicy == ResolutionPolicy::UNKNOWN); // cannot enable retina mode
_scaleX = _scaleY = contentScaleFactor;
CCEAGLView *eaglview = (CCEAGLView*) _eaglview;
[eaglview setNeedsLayout];
return true;
}
float GLViewImpl::getContentScaleFactor() const
{
CCEAGLView *eaglview = (CCEAGLView*) _eaglview;
float scaleFactor = [eaglview contentScaleFactor];
// CCASSERT(scaleFactor == _scaleX == _scaleY, "Logic error in GLView::getContentScaleFactor");
return scaleFactor;
}
void GLViewImpl::end()
{
[CCDirectorCaller destroy];
// destroy EAGLView
CCEAGLView *eaglview = (CCEAGLView*) _eaglview;
[eaglview removeFromSuperview];
//[eaglview release];
release();
}
void GLViewImpl::swapBuffers()
{
CCEAGLView *eaglview = (CCEAGLView*) _eaglview;
[eaglview swapBuffers];
}
void GLViewImpl::setIMEKeyboardState(bool open)
{
CCEAGLView *eaglview = (CCEAGLView*) _eaglview;
if (open)
{
[eaglview showKeyboard];
}
else
{
[eaglview hideKeyboard];
}
}
Rect GLViewImpl::getSafeAreaRect() const
{
CCEAGLView *eaglview = (CCEAGLView*) _eaglview;
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
float version = [[UIDevice currentDevice].systemVersion floatValue];
if (version >= 11.0f)
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpartial-availability"
UIEdgeInsets safeAreaInsets = eaglview.safeAreaInsets;
#pragma clang diagnostic pop
// Multiply contentScaleFactor since safeAreaInsets return points.
safeAreaInsets.left *= eaglview.contentScaleFactor;
safeAreaInsets.right *= eaglview.contentScaleFactor;
safeAreaInsets.top *= eaglview.contentScaleFactor;
safeAreaInsets.bottom *= eaglview.contentScaleFactor;
// Get leftBottom and rightTop point in UI coordinates
Vec2 leftBottom = Vec2(safeAreaInsets.left, _screenSize.height - safeAreaInsets.bottom);
Vec2 rightTop = Vec2(_screenSize.width - safeAreaInsets.right, safeAreaInsets.top);
// Convert a point from UI coordinates to which in design resolution coordinate.
leftBottom.x = (leftBottom.x - _viewPortRect.origin.x) / _scaleX,
leftBottom.y = (leftBottom.y - _viewPortRect.origin.y) / _scaleY;
rightTop.x = (rightTop.x - _viewPortRect.origin.x) / _scaleX,
rightTop.y = (rightTop.y - _viewPortRect.origin.y) / _scaleY;
// Adjust points to make them inside design resolution
leftBottom.x = MAX(leftBottom.x, 0);
leftBottom.y = MIN(leftBottom.y, _designResolutionSize.height);
rightTop.x = MIN(rightTop.x, _designResolutionSize.width);
rightTop.y = MAX(rightTop.y, 0);
// Convert to GL coordinates
leftBottom = Director::getInstance()->convertToGL(leftBottom);
rightTop = Director::getInstance()->convertToGL(rightTop);
return Rect(leftBottom.x, leftBottom.y, rightTop.x - leftBottom.x, rightTop.y - leftBottom.y);
}
#endif
// If running on iOS devices lower than 11.0, return visiable rect instead.
return GLView::getSafeAreaRect();
}
NS_CC_END