初始化

cocos2d-x/cocos/platform/CCGL.h

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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.
+****************************************************************************/
+
+#ifndef __PLATFORM_CCGL_H__
+#define __PLATFORM_CCGL_H__
+/// @cond DO_NOT_SHOW
+
+#include "platform/CCPlatformConfig.h"
+
+#ifndef GL_TEXTURE_MIN_LOD
+#define GL_TEXTURE_MIN_LOD 0x813A
+#endif
+
+#ifndef GL_UNPACK_FLIP_Y_WEBGL
+#define GL_UNPACK_FLIP_Y_WEBGL 0x9240
+#endif
+
+#ifndef GL_UNPACK_PREMULTIPLY_ALPHA_WEBGL
+#define GL_UNPACK_PREMULTIPLY_ALPHA_WEBGL 0x9241
+#endif
+
+#ifndef GL_CONTEXT_LOST_WEBGL
+#define GL_CONTEXT_LOST_WEBGL 0x9242
+#endif
+
+#ifndef GL_UNPACK_COLORSPACE_CONVERSION_WEBGL
+#define GL_UNPACK_COLORSPACE_CONVERSION_WEBGL 0x9243
+#endif
+
+#ifndef GL_BROWSER_DEFAULT_WEBGL
+#define GL_BROWSER_DEFAULT_WEBGL 0x9244
+#endif
+
+#ifndef GL_DEPTH_STENCIL_ATTACHMENT
+#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
+#endif
+
+/* Shader Precision-Specified Types */
+#ifndef GL_LOW_FLOAT
+#define GL_LOW_FLOAT                                     0x8DF0
+#endif
+
+#ifndef GL_MEDIUM_FLOAT
+#define GL_MEDIUM_FLOAT                                  0x8DF1
+#endif
+
+#ifndef GL_HIGH_FLOAT
+#define GL_HIGH_FLOAT                                    0x8DF2
+#endif
+
+#ifndef GL_LOW_INT
+#define GL_LOW_INT                                       0x8DF3
+#endif
+
+#ifndef GL_MEDIUM_INT
+#define GL_MEDIUM_INT                                    0x8DF4
+#endif
+
+#ifndef GL_HIGH_INT
+#define GL_HIGH_INT                                      0x8DF5
+#endif
+
+#ifndef GL_MAX_VERTEX_UNIFORM_VECTORS
+#define GL_MAX_VERTEX_UNIFORM_VECTORS                  0x8DFB
+#endif
+
+#ifndef GL_MAX_FRAGMENT_UNIFORM_VECTORS
+#define GL_MAX_FRAGMENT_UNIFORM_VECTORS                0x8DFD
+#endif
+
+#ifndef GL_MAX_VARYING_VECTORS
+#define GL_MAX_VARYING_VECTORS                         0x8DFC
+#endif
+
+#ifndef GL_DEPTH_STENCIL
+#define GL_DEPTH_STENCIL 0x84F9
+#endif
+
+#if CC_TARGET_PLATFORM == CC_PLATFORM_MAC
+#include "platform/mac/CCGL-mac.h"
+#elif CC_TARGET_PLATFORM == CC_PLATFORM_IOS
+#include "platform/ios/CCGL-ios.h"
+#elif CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID
+#include "platform/android/CCGL-android.h"
+#elif CC_TARGET_PLATFORM == CC_PLATFORM_WIN32
+#include "platform/win32/CCGL-win32.h"
+#elif CC_TARGET_PLATFORM == CC_PLATFORM_WINRT
+#include "platform/winrt/CCGL.h"
+#elif CC_TARGET_PLATFORM == CC_PLATFORM_LINUX
+#include "platform/linux/CCGL-linux.h"
+#endif
+
+/// @endcond
+#endif /* __PLATFORM_CCPLATFORMDEFINE_H__*/
+