mirror of https://github.com/axmolengine/axmol.git
1360 lines
46 KiB
C++
1360 lines
46 KiB
C++
/****************************************************************************
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Copyright (c) 2008 Apple Inc. All Rights Reserved.
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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/*
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* Support for RGBA_4_4_4_4 and RGBA_5_5_5_1 was copied from:
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* https://devforums.apple.com/message/37855#37855 by a1studmuffin
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*/
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#include "CCTexture2D.h"
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#include "ccConfig.h"
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#include "ccMacros.h"
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#include "CCConfiguration.h"
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#include "platform/CCImage.h"
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#include "CCGL.h"
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#include "ccUtils.h"
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#include "CCPlatformMacros.h"
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#include "CCDirector.h"
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#include "CCGLProgram.h"
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#include "ccGLStateCache.h"
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#include "CCShaderCache.h"
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#include "platform/CCDevice.h"
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#if CC_ENABLE_CACHE_TEXTURE_DATA
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#include "CCTextureCache.h"
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#endif
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NS_CC_BEGIN
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namespace {
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typedef Texture2D::PixelFormatInfoMap::value_type PixelFormatInfoMapValue;
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static const PixelFormatInfoMapValue TexturePixelFormatInfoTablesValue[] =
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{
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PixelFormatInfoMapValue(Texture2D::PixelFormat::BGRA8888, Texture2D::PixelFormatInfo(GL_RGBA, GL_BGRA, GL_UNSIGNED_BYTE, 32, false, true)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::RGBA8888, Texture2D::PixelFormatInfo(GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, 32, false, true)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::RGBA4444, Texture2D::PixelFormatInfo(GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 16, false, true)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::RGB5A1, Texture2D::PixelFormatInfo(GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 16, false, true)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::RGB565, Texture2D::PixelFormatInfo(GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 16, false, false)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::RGB888, Texture2D::PixelFormatInfo(GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, 24, false, false)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::A8, Texture2D::PixelFormatInfo(GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, 8, false, false)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::I8, Texture2D::PixelFormatInfo(GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, 8, false, false)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::AI88, Texture2D::PixelFormatInfo(GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, 16, false, true)),
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#ifdef GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
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PixelFormatInfoMapValue(Texture2D::PixelFormat::PVRTC2, Texture2D::PixelFormatInfo(GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, 0xFFFFFFFF, 0xFFFFFFFF, 2, true, false)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::PVRTC2A, Texture2D::PixelFormatInfo(GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, 0xFFFFFFFF, 0xFFFFFFFF, 2, true, true)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::PVRTC4, Texture2D::PixelFormatInfo(GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, 0xFFFFFFFF, 0xFFFFFFFF, 4, true, false)),
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PixelFormatInfoMapValue(Texture2D::PixelFormat::PVRTC4A, Texture2D::PixelFormatInfo(GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, 0xFFFFFFFF, 0xFFFFFFFF, 4, true, true)),
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#endif
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#ifdef GL_ETC1_RGB8_OES
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PixelFormatInfoMapValue(Texture2D::PixelFormat::ETC, Texture2D::PixelFormatInfo(GL_ETC1_RGB8_OES, 0xFFFFFFFF, 0xFFFFFFFF, 24, true, false)),
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#endif
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#ifdef GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
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PixelFormatInfoMapValue(Texture2D::PixelFormat::S3TC_DXT1, Texture2D::PixelFormatInfo(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0xFFFFFFFF, 0xFFFFFFFF, 4, true, false)),
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#endif
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#ifdef GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
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PixelFormatInfoMapValue(Texture2D::PixelFormat::S3TC_DXT3, Texture2D::PixelFormatInfo(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0xFFFFFFFF, 0xFFFFFFFF, 8, true, false)),
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#endif
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#ifdef GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
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PixelFormatInfoMapValue(Texture2D::PixelFormat::S3TC_DXT5, Texture2D::PixelFormatInfo(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0xFFFFFFFF, 0xFFFFFFFF, 8, true, false)),
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#endif
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#ifdef GL_ATC_RGB_AMD
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PixelFormatInfoMapValue(Texture2D::PixelFormat::ATC_RGB, Texture2D::PixelFormatInfo(GL_ATC_RGB_AMD,
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0xFFFFFFFF, 0xFFFFFFFF, 4, true, false)),
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#endif
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#ifdef GL_ATC_RGBA_EXPLICIT_ALPHA_AMD
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PixelFormatInfoMapValue(Texture2D::PixelFormat::ATC_EXPLICIT_ALPHA, Texture2D::PixelFormatInfo(GL_ATC_RGBA_EXPLICIT_ALPHA_AMD,
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0xFFFFFFFF, 0xFFFFFFFF, 8, true, false)),
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#endif
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#ifdef GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD
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PixelFormatInfoMapValue(Texture2D::PixelFormat::ATC_INTERPOLATED_ALPHA, Texture2D::PixelFormatInfo(GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD,
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0xFFFFFFFF, 0xFFFFFFFF, 8, true, false)),
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#endif
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};
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}
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//CLASS IMPLEMENTATIONS:
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//The PixpelFormat corresponding information
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const Texture2D::PixelFormatInfoMap Texture2D::_pixelFormatInfoTables(TexturePixelFormatInfoTablesValue,
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TexturePixelFormatInfoTablesValue + sizeof(TexturePixelFormatInfoTablesValue) / sizeof(TexturePixelFormatInfoTablesValue[0]));
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// If the image has alpha, you can create RGBA8 (32-bit) or RGBA4 (16-bit) or RGB5A1 (16-bit)
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// Default is: RGBA8888 (32-bit textures)
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static Texture2D::PixelFormat g_defaultAlphaPixelFormat = Texture2D::PixelFormat::DEFAULT;
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static bool _PVRHaveAlphaPremultiplied = false;
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//////////////////////////////////////////////////////////////////////////
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//conventer function
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// IIIIIIII -> RRRRRRRRGGGGGGGGGBBBBBBBB
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void Texture2D::convertI8ToRGB888(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i=0; i < dataLen; ++i)
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{
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*outData++ = data[i]; //R
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*outData++ = data[i]; //G
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*outData++ = data[i]; //B
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}
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}
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// IIIIIIIIAAAAAAAA -> RRRRRRRRGGGGGGGGBBBBBBBB
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void Texture2D::convertAI88ToRGB888(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 1; i < l; i += 2)
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{
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*outData++ = data[i]; //R
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*outData++ = data[i]; //G
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*outData++ = data[i]; //B
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}
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}
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// IIIIIIII -> RRRRRRRRGGGGGGGGGBBBBBBBBAAAAAAAA
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void Texture2D::convertI8ToRGBA8888(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0; i < dataLen; ++i)
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{
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*outData++ = data[i]; //R
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*outData++ = data[i]; //G
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*outData++ = data[i]; //B
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*outData++ = 0xFF; //A
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}
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}
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// IIIIIIIIAAAAAAAA -> RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA
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void Texture2D::convertAI88ToRGBA8888(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 1; i < l; i += 2)
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{
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*outData++ = data[i]; //R
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*outData++ = data[i]; //G
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*outData++ = data[i]; //B
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*outData++ = data[i + 1]; //A
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}
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}
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// IIIIIIII -> RRRRRGGGGGGBBBBB
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void Texture2D::convertI8ToRGB565(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (int i = 0; i < dataLen; ++i)
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{
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*out16++ = (data[i] & 0x00F8) << 8 //R
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| (data[i] & 0x00FC) << 3 //G
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| (data[i] & 0x00F8) >> 3; //B
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}
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}
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// IIIIIIIIAAAAAAAA -> RRRRRGGGGGGBBBBB
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void Texture2D::convertAI88ToRGB565(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0, l = dataLen - 1; i < l; i += 2)
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{
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*out16++ = (data[i] & 0x00F8) << 8 //R
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| (data[i] & 0x00FC) << 3 //G
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| (data[i] & 0x00F8) >> 3; //B
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}
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}
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// IIIIIIII -> RRRRGGGGBBBBAAAA
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void Texture2D::convertI8ToRGBA4444(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0; i < dataLen; ++i)
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{
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*out16++ = (data[i] & 0x00F0) << 8 //R
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| (data[i] & 0x00F0) << 4 //G
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| (data[i] & 0x00F0) //B
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| 0x000F; //A
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}
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}
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// IIIIIIIIAAAAAAAA -> RRRRGGGGBBBBAAAA
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void Texture2D::convertAI88ToRGBA4444(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0, l = dataLen - 1; i < l; i += 2)
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{
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*out16++ = (data[i] & 0x00F0) << 8 //R
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| (data[i] & 0x00F0) << 4 //G
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| (data[i] & 0x00F0) //B
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| (data[i+1] & 0x00F0) >> 4; //A
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}
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}
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// IIIIIIII -> RRRRRGGGGGBBBBBA
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void Texture2D::convertI8ToRGB5A1(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (int i = 0; i < dataLen; ++i)
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{
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*out16++ = (data[i] & 0x00F8) << 8 //R
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| (data[i] & 0x00F8) << 3 //G
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| (data[i] & 0x00F8) >> 2 //B
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| 0x0001; //A
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}
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}
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// IIIIIIIIAAAAAAAA -> RRRRRGGGGGBBBBBA
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void Texture2D::convertAI88ToRGB5A1(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0, l = dataLen - 1; i < l; i += 2)
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{
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*out16++ = (data[i] & 0x00F8) << 8 //R
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| (data[i] & 0x00F8) << 3 //G
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| (data[i] & 0x00F8) >> 2 //B
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| (data[i + 1] & 0x0080) >> 7; //A
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}
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}
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// IIIIIIII -> IIIIIIIIAAAAAAAA
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void Texture2D::convertI8ToAI88(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0; i < dataLen; ++i)
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{
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*out16++ = 0xFF00 //A
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| data[i]; //I
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}
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}
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// IIIIIIIIAAAAAAAA -> AAAAAAAA
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void Texture2D::convertAI88ToA8(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 1; i < dataLen; i += 2)
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{
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*outData++ = data[i]; //A
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}
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}
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// IIIIIIIIAAAAAAAA -> IIIIIIII
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void Texture2D::convertAI88ToI8(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 1; i < l; i += 2)
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{
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*outData++ = data[i]; //R
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBB -> RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA
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void Texture2D::convertRGB888ToRGBA8888(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 2; i < l; i += 3)
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{
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*outData++ = data[i]; //R
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*outData++ = data[i + 1]; //G
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*outData++ = data[i + 2]; //B
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*outData++ = 0xFF; //A
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA -> RRRRRRRRGGGGGGGGBBBBBBBB
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void Texture2D::convertRGBA8888ToRGB888(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 3; i < l; i += 4)
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{
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*outData++ = data[i]; //R
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*outData++ = data[i + 1]; //G
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*outData++ = data[i + 2]; //B
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBB -> RRRRRGGGGGGBBBBB
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void Texture2D::convertRGB888ToRGB565(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0, l = dataLen - 2; i < l; i += 3)
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{
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*out16++ = (data[i] & 0x00F8) << 8 //R
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| (data[i + 1] & 0x00FC) << 3 //G
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| (data[i + 2] & 0x00F8) >> 3; //B
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA -> RRRRRGGGGGGBBBBB
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void Texture2D::convertRGBA8888ToRGB565(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0, l = dataLen - 3; i < l; i += 4)
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{
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*out16++ = (data[i] & 0x00F8) << 8 //R
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| (data[i + 1] & 0x00FC) << 3 //G
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| (data[i + 2] & 0x00F8) >> 3; //B
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBB -> IIIIIIII
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void Texture2D::convertRGB888ToI8(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 2; i < l; i += 3)
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{
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*outData++ = (data[i] * 299 + data[i + 1] * 587 + data[i + 2] * 114 + 500) / 1000; //I = (R*299 + G*587 + B*114 + 500) / 1000
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA -> IIIIIIII
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void Texture2D::convertRGBA8888ToI8(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 3; i < l; i += 4)
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{
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*outData++ = (data[i] * 299 + data[i + 1] * 587 + data[i + 2] * 114 + 500) / 1000; //I = (R*299 + G*587 + B*114 + 500) / 1000
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA -> AAAAAAAA
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void Texture2D::convertRGBA8888ToA8(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen -3; i < l; i += 4)
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{
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*outData++ = data[i + 3]; //A
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBB -> IIIIIIIIAAAAAAAA
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void Texture2D::convertRGB888ToAI88(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 2; i < l; i += 3)
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{
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*outData++ = (data[i] * 299 + data[i + 1] * 587 + data[i + 2] * 114 + 500) / 1000; //I = (R*299 + G*587 + B*114 + 500) / 1000
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*outData++ = 0xFF;
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA -> IIIIIIIIAAAAAAAA
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void Texture2D::convertRGBA8888ToAI88(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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for (ssize_t i = 0, l = dataLen - 3; i < l; i += 4)
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{
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*outData++ = (data[i] * 299 + data[i + 1] * 587 + data[i + 2] * 114 + 500) / 1000; //I = (R*299 + G*587 + B*114 + 500) / 1000
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*outData++ = data[i + 3];
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBB -> RRRRGGGGBBBBAAAA
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void Texture2D::convertRGB888ToRGBA4444(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0, l = dataLen - 2; i < l; i += 3)
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{
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*out16++ = ((data[i] & 0x00F0) << 8 //R
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| (data[i + 1] & 0x00F0) << 4 //G
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| (data[i + 2] & 0xF0) //B
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| 0x0F); //A
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}
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}
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// RRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA -> RRRRGGGGBBBBAAAA
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void Texture2D::convertRGBA8888ToRGBA4444(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
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{
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unsigned short* out16 = (unsigned short*)outData;
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for (ssize_t i = 0, l = dataLen - 3; i < l; i += 4)
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{
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*out16++ = (data[i] & 0x00F0) << 8 //R
|
|
| (data[i + 1] & 0x00F0) << 4 //G
|
|
| (data[i + 2] & 0xF0) //B
|
|
| (data[i + 3] & 0xF0) >> 4; //A
|
|
}
|
|
}
|
|
|
|
// RRRRRRRRGGGGGGGGBBBBBBBB -> RRRRRGGGGGBBBBBA
|
|
void Texture2D::convertRGB888ToRGB5A1(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
|
|
{
|
|
unsigned short* out16 = (unsigned short*)outData;
|
|
for (ssize_t i = 0, l = dataLen - 2; i < l; i += 3)
|
|
{
|
|
*out16++ = (data[i] & 0x00F8) << 8 //R
|
|
| (data[i + 1] & 0x00F8) << 3 //G
|
|
| (data[i + 2] & 0x00F8) >> 2 //B
|
|
| 0x01; //A
|
|
}
|
|
}
|
|
|
|
// RRRRRRRRGGGGGGGGBBBBBBBB -> RRRRRGGGGGBBBBBA
|
|
void Texture2D::convertRGBA8888ToRGB5A1(const unsigned char* data, ssize_t dataLen, unsigned char* outData)
|
|
{
|
|
unsigned short* out16 = (unsigned short*)outData;
|
|
for (ssize_t i = 0, l = dataLen - 2; i < l; i += 4)
|
|
{
|
|
*out16++ = (data[i] & 0x00F8) << 8 //R
|
|
| (data[i + 1] & 0x00F8) << 3 //G
|
|
| (data[i + 2] & 0x00F8) >> 2 //B
|
|
| (data[i + 3] & 0x0080) >> 7; //A
|
|
}
|
|
}
|
|
// conventer function end
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
Texture2D::Texture2D()
|
|
: _pixelFormat(Texture2D::PixelFormat::DEFAULT)
|
|
, _pixelsWide(0)
|
|
, _pixelsHigh(0)
|
|
, _name(0)
|
|
, _maxS(0.0)
|
|
, _maxT(0.0)
|
|
, _hasPremultipliedAlpha(false)
|
|
, _hasMipmaps(false)
|
|
, _shaderProgram(nullptr)
|
|
{
|
|
}
|
|
|
|
Texture2D::~Texture2D()
|
|
{
|
|
#if CC_ENABLE_CACHE_TEXTURE_DATA
|
|
VolatileTextureMgr::removeTexture(this);
|
|
#endif
|
|
|
|
CCLOGINFO("deallocing Texture2D: %p - id=%u", this, _name);
|
|
CC_SAFE_RELEASE(_shaderProgram);
|
|
|
|
if(_name)
|
|
{
|
|
GL::deleteTexture(_name);
|
|
}
|
|
}
|
|
|
|
Texture2D::PixelFormat Texture2D::getPixelFormat() const
|
|
{
|
|
return _pixelFormat;
|
|
}
|
|
|
|
int Texture2D::getPixelsWide() const
|
|
{
|
|
return _pixelsWide;
|
|
}
|
|
|
|
int Texture2D::getPixelsHigh() const
|
|
{
|
|
return _pixelsHigh;
|
|
}
|
|
|
|
GLuint Texture2D::getName() const
|
|
{
|
|
return _name;
|
|
}
|
|
|
|
Size Texture2D::getContentSize() const
|
|
{
|
|
Size ret;
|
|
ret.width = _contentSize.width / CC_CONTENT_SCALE_FACTOR();
|
|
ret.height = _contentSize.height / CC_CONTENT_SCALE_FACTOR();
|
|
|
|
return ret;
|
|
}
|
|
|
|
const Size& Texture2D::getContentSizeInPixels()
|
|
{
|
|
return _contentSize;
|
|
}
|
|
|
|
GLfloat Texture2D::getMaxS() const
|
|
{
|
|
return _maxS;
|
|
}
|
|
|
|
void Texture2D::setMaxS(GLfloat maxS)
|
|
{
|
|
_maxS = maxS;
|
|
}
|
|
|
|
GLfloat Texture2D::getMaxT() const
|
|
{
|
|
return _maxT;
|
|
}
|
|
|
|
void Texture2D::setMaxT(GLfloat maxT)
|
|
{
|
|
_maxT = maxT;
|
|
}
|
|
|
|
GLProgram* Texture2D::getShaderProgram() const
|
|
{
|
|
return _shaderProgram;
|
|
}
|
|
|
|
void Texture2D::setShaderProgram(GLProgram* shaderProgram)
|
|
{
|
|
CC_SAFE_RETAIN(shaderProgram);
|
|
CC_SAFE_RELEASE(_shaderProgram);
|
|
_shaderProgram = shaderProgram;
|
|
}
|
|
|
|
void Texture2D::releaseData(void *data)
|
|
{
|
|
free(data);
|
|
}
|
|
|
|
void* Texture2D::keepData(void *data, unsigned int length)
|
|
{
|
|
CC_UNUSED_PARAM(length);
|
|
//The texture data mustn't be saved because it isn't a mutable texture.
|
|
return data;
|
|
}
|
|
|
|
bool Texture2D::hasPremultipliedAlpha() const
|
|
{
|
|
return _hasPremultipliedAlpha;
|
|
}
|
|
|
|
bool Texture2D::initWithData(const void *data, ssize_t dataLen, Texture2D::PixelFormat pixelFormat, int pixelsWide, int pixelsHigh, const Size& contentSize)
|
|
{
|
|
CCASSERT(dataLen>0 && pixelsWide>0 && pixelsHigh>0, "Invalid size");
|
|
|
|
//if data has no mipmaps, we will consider it has only one mipmap
|
|
MipmapInfo mipmap;
|
|
mipmap.address = (unsigned char*)data;
|
|
mipmap.len = static_cast<int>(dataLen);
|
|
return initWithMipmaps(&mipmap, 1, pixelFormat, pixelsWide, pixelsHigh);
|
|
|
|
//update information
|
|
_contentSize = contentSize;
|
|
_maxS = contentSize.width / (float)(pixelsWide);
|
|
_maxT = contentSize.height / (float)(pixelsHigh);
|
|
}
|
|
|
|
bool Texture2D::initWithMipmaps(MipmapInfo* mipmaps, int mipmapsNum, PixelFormat pixelFormat, int pixelsWide, int pixelsHigh)
|
|
{
|
|
// cocos2d-x is currently calling this multiple times on the same Texture2D
|
|
// if the GL texture has already been created,it will be leaked in OpenGL
|
|
// For now, call deleteTexture if the texture already exists
|
|
if(_name)
|
|
{
|
|
GL::deleteTexture(_name);
|
|
_name = 0;
|
|
}
|
|
|
|
//the pixelFormat must be a certain value
|
|
CCASSERT(pixelFormat != PixelFormat::NONE && pixelFormat != PixelFormat::AUTO, "the \"pixelFormat\" param must be a certain value!");
|
|
CCASSERT(pixelsWide>0 && pixelsHigh>0, "Invalid size");
|
|
|
|
if (mipmapsNum <= 0)
|
|
{
|
|
CCLOG("cocos2d: WARNING: mipmap number is less than 1");
|
|
return false;
|
|
}
|
|
|
|
|
|
if(_pixelFormatInfoTables.find(pixelFormat) == _pixelFormatInfoTables.end())
|
|
{
|
|
CCLOG("cocos2d: WARNING: unsupported pixelformat: %lx", (unsigned long)pixelFormat );
|
|
return false;
|
|
}
|
|
|
|
const PixelFormatInfo& info = _pixelFormatInfoTables.at(pixelFormat);
|
|
|
|
if (info.compressed && !Configuration::getInstance()->supportsPVRTC()
|
|
&& !Configuration::getInstance()->supportsETC()
|
|
&& !Configuration::getInstance()->supportsS3TC()
|
|
&& !Configuration::getInstance()->supportsATITC())
|
|
{
|
|
CCLOG("cocos2d: WARNING: PVRTC/ETC images are not supported");
|
|
return false;
|
|
}
|
|
|
|
//Set the row align only when mipmapsNum == 1 and the data is uncompressed
|
|
if (mipmapsNum == 1 && !info.compressed)
|
|
{
|
|
unsigned int bytesPerRow = pixelsWide * info.bpp / 8;
|
|
|
|
if(bytesPerRow % 8 == 0)
|
|
{
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 8);
|
|
}
|
|
else if(bytesPerRow % 4 == 0)
|
|
{
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
|
|
}
|
|
else if(bytesPerRow % 2 == 0)
|
|
{
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 2);
|
|
}
|
|
else
|
|
{
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
|
}
|
|
}else
|
|
{
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
|
}
|
|
|
|
|
|
|
|
glGenTextures(1, &_name);
|
|
GL::bindTexture2D(_name);
|
|
|
|
if (mipmapsNum == 1)
|
|
{
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
|
|
}else
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
|
|
}
|
|
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
|
|
|
|
CHECK_GL_ERROR_DEBUG(); // clean possible GL error
|
|
|
|
// Specify OpenGL texture image
|
|
int width = pixelsWide;
|
|
int height = pixelsHigh;
|
|
|
|
for (int i = 0; i < mipmapsNum; ++i)
|
|
{
|
|
unsigned char *data = mipmaps[i].address;
|
|
GLsizei datalen = mipmaps[i].len;
|
|
|
|
if (info.compressed)
|
|
{
|
|
glCompressedTexImage2D(GL_TEXTURE_2D, i, info.internalFormat, (GLsizei)width, (GLsizei)height, 0, datalen, data);
|
|
}
|
|
else
|
|
{
|
|
glTexImage2D(GL_TEXTURE_2D, i, info.internalFormat, (GLsizei)width, (GLsizei)height, 0, info.format, info.type, data);
|
|
}
|
|
|
|
if (i > 0 && (width != height || ccNextPOT(width) != width ))
|
|
{
|
|
CCLOG("cocos2d: Texture2D. WARNING. Mipmap level %u is not squared. Texture won't render correctly. width=%d != height=%d", i, width, height);
|
|
}
|
|
|
|
GLenum err = glGetError();
|
|
if (err != GL_NO_ERROR)
|
|
{
|
|
CCLOG("cocos2d: Texture2D: Error uploading compressed texture level: %u . glError: 0x%04X", i, err);
|
|
return false;
|
|
}
|
|
|
|
width = MAX(width >> 1, 1);
|
|
height = MAX(height >> 1, 1);
|
|
}
|
|
|
|
_contentSize = Size((float)pixelsWide, (float)pixelsHigh);
|
|
_pixelsWide = pixelsWide;
|
|
_pixelsHigh = pixelsHigh;
|
|
_pixelFormat = pixelFormat;
|
|
_maxS = 1;
|
|
_maxT = 1;
|
|
|
|
_hasPremultipliedAlpha = false;
|
|
_hasMipmaps = mipmapsNum > 1;
|
|
|
|
setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE));
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
std::string Texture2D::getDescription() const
|
|
{
|
|
return StringUtils::format("<Texture2D | Name = %u | Dimensions = %ld x %ld | Coordinates = (%.2f, %.2f)>", _name, (long)_pixelsWide, (long)_pixelsHigh, _maxS, _maxT);
|
|
}
|
|
|
|
// implementation Texture2D (Image)
|
|
bool Texture2D::initWithImage(Image *image)
|
|
{
|
|
return initWithImage(image, PixelFormat::NONE);
|
|
}
|
|
|
|
bool Texture2D::initWithImage(Image *image, PixelFormat format)
|
|
{
|
|
if (image == nullptr)
|
|
{
|
|
CCLOG("cocos2d: Texture2D. Can't create Texture. UIImage is nil");
|
|
return false;
|
|
}
|
|
|
|
int imageWidth = image->getWidth();
|
|
int imageHeight = image->getHeight();
|
|
|
|
Configuration *conf = Configuration::getInstance();
|
|
|
|
int maxTextureSize = conf->getMaxTextureSize();
|
|
if (imageWidth > maxTextureSize || imageHeight > maxTextureSize)
|
|
{
|
|
CCLOG("cocos2d: WARNING: Image (%u x %u) is bigger than the supported %u x %u", imageWidth, imageHeight, maxTextureSize, maxTextureSize);
|
|
return false;
|
|
}
|
|
|
|
unsigned char* tempData = image->getData();
|
|
Size imageSize = Size((float)imageWidth, (float)imageHeight);
|
|
PixelFormat pixelFormat = PixelFormat::NONE;
|
|
PixelFormat renderFormat = image->getRenderFormat();
|
|
size_t tempDataLen = image->getDataLen();
|
|
|
|
|
|
if (image->getNumberOfMipmaps() > 1)
|
|
{
|
|
if (format != PixelFormat::NONE)
|
|
{
|
|
CCLOG("cocos2d: WARNING: This image has more than 1 mipmaps and we will not convert the data format");
|
|
}
|
|
|
|
initWithMipmaps(image->getMipmaps(), image->getNumberOfMipmaps(), image->getRenderFormat(), imageWidth, imageHeight);
|
|
|
|
return true;
|
|
}
|
|
else if (image->isCompressed())
|
|
{
|
|
if (format != PixelFormat::NONE)
|
|
{
|
|
CCLOG("cocos2d: WARNING: This image is compressed and we cann't convert it for now");
|
|
}
|
|
|
|
initWithData(tempData, tempDataLen, image->getRenderFormat(), imageWidth, imageHeight, imageSize);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// compute pixel format
|
|
if (format != PixelFormat::NONE)
|
|
{
|
|
pixelFormat = format;
|
|
}else
|
|
{
|
|
pixelFormat = g_defaultAlphaPixelFormat;
|
|
}
|
|
|
|
unsigned char* outTempData = nullptr;
|
|
ssize_t outTempDataLen = 0;
|
|
|
|
pixelFormat = convertDataToFormat(tempData, tempDataLen, renderFormat, pixelFormat, &outTempData, &outTempDataLen);
|
|
|
|
initWithData(outTempData, outTempDataLen, pixelFormat, imageWidth, imageHeight, imageSize);
|
|
|
|
|
|
if (outTempData != nullptr && outTempData != tempData)
|
|
{
|
|
|
|
free(outTempData);
|
|
}
|
|
|
|
// set the premultiplied tag
|
|
if (!image->hasPremultipliedAlpha())
|
|
{
|
|
if (image->getFileType() == Image::Format::PVR)
|
|
{
|
|
_hasPremultipliedAlpha = _PVRHaveAlphaPremultiplied;
|
|
}else
|
|
{
|
|
CCLOG("wanning: We cann't find the data is premultiplied or not, we will assume it's false.");
|
|
_hasPremultipliedAlpha = false;
|
|
}
|
|
}else
|
|
{
|
|
_hasPremultipliedAlpha = image->isPremultipliedAlpha();
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
Texture2D::PixelFormat Texture2D::convertI8ToFormat(const unsigned char* data, ssize_t dataLen, PixelFormat format, unsigned char** outData, ssize_t* outDataLen)
|
|
{
|
|
switch (format)
|
|
{
|
|
case PixelFormat::RGBA8888:
|
|
*outDataLen = dataLen*4;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertI8ToRGBA8888(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB888:
|
|
*outDataLen = dataLen*3;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertI8ToRGB888(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB565:
|
|
*outDataLen = dataLen*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertI8ToRGB565(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::AI88:
|
|
*outDataLen = dataLen*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertI8ToAI88(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGBA4444:
|
|
*outDataLen = dataLen*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertI8ToRGBA4444(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB5A1:
|
|
*outDataLen = dataLen*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertI8ToRGB5A1(data, dataLen, *outData);
|
|
break;
|
|
default:
|
|
// unsupport convertion or don't need to convert
|
|
if (format != PixelFormat::AUTO && format != PixelFormat::I8)
|
|
{
|
|
CCLOG("Can not convert image format PixelFormat::I8 to format ID:%d, we will use it's origin format PixelFormat::I8", format);
|
|
}
|
|
|
|
*outData = (unsigned char*)data;
|
|
*outDataLen = dataLen;
|
|
return PixelFormat::I8;
|
|
}
|
|
|
|
return format;
|
|
}
|
|
|
|
Texture2D::PixelFormat Texture2D::convertAI88ToFormat(const unsigned char* data, ssize_t dataLen, PixelFormat format, unsigned char** outData, ssize_t* outDataLen)
|
|
{
|
|
switch (format)
|
|
{
|
|
case PixelFormat::RGBA8888:
|
|
*outDataLen = dataLen*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertAI88ToRGBA8888(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB888:
|
|
*outDataLen = dataLen/2*3;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertAI88ToRGB888(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB565:
|
|
*outDataLen = dataLen;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertAI88ToRGB565(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::A8:
|
|
*outDataLen = dataLen/2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertAI88ToA8(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::I8:
|
|
*outDataLen = dataLen/2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertAI88ToI8(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGBA4444:
|
|
*outDataLen = dataLen;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertAI88ToRGBA4444(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB5A1:
|
|
*outDataLen = dataLen;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertAI88ToRGB5A1(data, dataLen, *outData);
|
|
break;
|
|
default:
|
|
// unsupport convertion or don't need to convert
|
|
if (format != PixelFormat::AUTO && format != PixelFormat::AI88)
|
|
{
|
|
CCLOG("Can not convert image format PixelFormat::AI88 to format ID:%d, we will use it's origin format PixelFormat::AI88", format);
|
|
}
|
|
|
|
*outData = (unsigned char*)data;
|
|
*outDataLen = dataLen;
|
|
return PixelFormat::AI88;
|
|
break;
|
|
}
|
|
|
|
return format;
|
|
}
|
|
|
|
Texture2D::PixelFormat Texture2D::convertRGB888ToFormat(const unsigned char* data, ssize_t dataLen, PixelFormat format, unsigned char** outData, ssize_t* outDataLen)
|
|
{
|
|
switch (format)
|
|
{
|
|
case PixelFormat::RGBA8888:
|
|
*outDataLen = dataLen/3*4;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGB888ToRGBA8888(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB565:
|
|
*outDataLen = dataLen/3*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGB888ToRGB565(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::I8:
|
|
*outDataLen = dataLen/3;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGB888ToI8(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::AI88:
|
|
*outDataLen = dataLen/3*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGB888ToAI88(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGBA4444:
|
|
*outDataLen = dataLen/3*2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGB888ToRGBA4444(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB5A1:
|
|
*outDataLen = dataLen;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGB888ToRGB5A1(data, dataLen, *outData);
|
|
break;
|
|
default:
|
|
// unsupport convertion or don't need to convert
|
|
if (format != PixelFormat::AUTO && format != PixelFormat::RGB888)
|
|
{
|
|
CCLOG("Can not convert image format PixelFormat::RGB888 to format ID:%d, we will use it's origin format PixelFormat::RGB888", format);
|
|
}
|
|
|
|
*outData = (unsigned char*)data;
|
|
*outDataLen = dataLen;
|
|
return PixelFormat::RGB888;
|
|
}
|
|
return format;
|
|
}
|
|
|
|
Texture2D::PixelFormat Texture2D::convertRGBA8888ToFormat(const unsigned char* data, ssize_t dataLen, PixelFormat format, unsigned char** outData, ssize_t* outDataLen)
|
|
{
|
|
|
|
switch (format)
|
|
{
|
|
case PixelFormat::RGB888:
|
|
*outDataLen = dataLen/4*3;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGBA8888ToRGB888(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB565:
|
|
*outDataLen = dataLen/2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGBA8888ToRGB565(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::A8:
|
|
*outDataLen = dataLen/4;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGBA8888ToA8(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::I8:
|
|
*outDataLen = dataLen/4;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGBA8888ToI8(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::AI88:
|
|
*outDataLen = dataLen/2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGBA8888ToAI88(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGBA4444:
|
|
*outDataLen = dataLen/2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGBA8888ToRGBA4444(data, dataLen, *outData);
|
|
break;
|
|
case PixelFormat::RGB5A1:
|
|
*outDataLen = dataLen/2;
|
|
*outData = (unsigned char*)malloc(sizeof(unsigned char) * (*outDataLen));
|
|
convertRGBA8888ToRGB5A1(data, dataLen, *outData);
|
|
break;
|
|
default:
|
|
// unsupport convertion or don't need to convert
|
|
if (format != PixelFormat::AUTO && format != PixelFormat::RGBA8888)
|
|
{
|
|
CCLOG("Can not convert image format PixelFormat::RGBA8888 to format ID:%d, we will use it's origin format PixelFormat::RGBA8888", format);
|
|
}
|
|
|
|
*outData = (unsigned char*)data;
|
|
*outDataLen = dataLen;
|
|
return PixelFormat::RGBA8888;
|
|
}
|
|
|
|
return format;
|
|
}
|
|
|
|
/*
|
|
convert map:
|
|
1.PixelFormat::RGBA8888
|
|
2.PixelFormat::RGB888
|
|
3.PixelFormat::RGB565
|
|
4.PixelFormat::A8
|
|
5.PixelFormat::I8
|
|
6.PixelFormat::AI88
|
|
7.PixelFormat::RGBA4444
|
|
8.PixelFormat::RGB5A1
|
|
|
|
gray(5) -> 1235678
|
|
gray alpha(6) -> 12345678
|
|
rgb(2) -> 1235678
|
|
rgba(1) -> 12345678
|
|
|
|
*/
|
|
Texture2D::PixelFormat Texture2D::convertDataToFormat(const unsigned char* data, ssize_t dataLen, PixelFormat originFormat, PixelFormat format, unsigned char** outData, ssize_t* outDataLen)
|
|
{
|
|
switch (originFormat)
|
|
{
|
|
case PixelFormat::I8:
|
|
return convertI8ToFormat(data, dataLen, format, outData, outDataLen);
|
|
case PixelFormat::AI88:
|
|
return convertAI88ToFormat(data, dataLen, format, outData, outDataLen);
|
|
case PixelFormat::RGB888:
|
|
return convertRGB888ToFormat(data, dataLen, format, outData, outDataLen);
|
|
case PixelFormat::RGBA8888:
|
|
return convertRGBA8888ToFormat(data, dataLen, format, outData, outDataLen);
|
|
default:
|
|
CCLOG("unsupport convert for format %d to format %d", originFormat, format);
|
|
*outData = (unsigned char*)data;
|
|
*outDataLen = dataLen;
|
|
return originFormat;
|
|
}
|
|
}
|
|
|
|
// implementation Texture2D (Text)
|
|
bool Texture2D::initWithString(const char *text, const char *fontName, float fontSize, const Size& dimensions/* = Size(0, 0)*/, TextHAlignment hAlignment/* = TextHAlignment::CENTER */, TextVAlignment vAlignment/* = TextVAlignment::TOP */)
|
|
{
|
|
FontDefinition tempDef;
|
|
|
|
tempDef._shadow._shadowEnabled = false;
|
|
tempDef._stroke._strokeEnabled = false;
|
|
|
|
|
|
tempDef._fontName = std::string(fontName);
|
|
tempDef._fontSize = fontSize;
|
|
tempDef._dimensions = dimensions;
|
|
tempDef._alignment = hAlignment;
|
|
tempDef._vertAlignment = vAlignment;
|
|
tempDef._fontFillColor = Color3B::WHITE;
|
|
|
|
return initWithString(text, tempDef);
|
|
}
|
|
|
|
bool Texture2D::initWithString(const char *text, const FontDefinition& textDefinition)
|
|
{
|
|
if(!text || 0 == strlen(text))
|
|
return false;
|
|
#if CC_ENABLE_CACHE_TEXTURE_DATA
|
|
// cache the texture data
|
|
VolatileTextureMgr::addStringTexture(this, text, textDefinition);
|
|
#endif
|
|
|
|
bool ret = false;
|
|
Device::TextAlign align;
|
|
|
|
if (TextVAlignment::TOP == textDefinition._vertAlignment)
|
|
{
|
|
align = (TextHAlignment::CENTER == textDefinition._alignment) ? Device::TextAlign::TOP
|
|
: (TextHAlignment::LEFT == textDefinition._alignment) ? Device::TextAlign::TOP_LEFT : Device::TextAlign::TOP_RIGHT;
|
|
}
|
|
else if (TextVAlignment::CENTER == textDefinition._vertAlignment)
|
|
{
|
|
align = (TextHAlignment::CENTER == textDefinition._alignment) ? Device::TextAlign::CENTER
|
|
: (TextHAlignment::LEFT == textDefinition._alignment) ? Device::TextAlign::LEFT : Device::TextAlign::RIGHT;
|
|
}
|
|
else if (TextVAlignment::BOTTOM == textDefinition._vertAlignment)
|
|
{
|
|
align = (TextHAlignment::CENTER == textDefinition._alignment) ? Device::TextAlign::BOTTOM
|
|
: (TextHAlignment::LEFT == textDefinition._alignment) ? Device::TextAlign::BOTTOM_LEFT : Device::TextAlign::BOTTOM_RIGHT;
|
|
}
|
|
else
|
|
{
|
|
CCASSERT(false, "Not supported alignment format!");
|
|
return false;
|
|
}
|
|
|
|
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID) && (CC_TARGET_PLATFORM != CC_PLATFORM_IOS)
|
|
bool requestUnsupported = textDefinition._shadow._shadowEnabled || textDefinition._stroke._strokeEnabled;
|
|
|
|
CCASSERT(requestUnsupported == false, "Currently shadow and stroke only supported on iOS and Android!");
|
|
#endif
|
|
|
|
PixelFormat pixelFormat = g_defaultAlphaPixelFormat;
|
|
unsigned char* outTempData = nullptr;
|
|
ssize_t outTempDataLen = 0;
|
|
|
|
int imageWidth;
|
|
int imageHeight;
|
|
auto textDef = textDefinition;
|
|
auto contentScaleFactor = CC_CONTENT_SCALE_FACTOR();
|
|
textDef._fontSize *= contentScaleFactor;
|
|
textDef._dimensions.width *= contentScaleFactor;
|
|
textDef._dimensions.height *= contentScaleFactor;
|
|
Data outData = Device::getTextureDataForText(text,textDef,align,imageWidth,imageHeight);
|
|
if(outData.isNull())
|
|
return false;
|
|
|
|
Size imageSize = Size((float)imageWidth, (float)imageHeight);
|
|
pixelFormat = convertDataToFormat(outData.getBytes(), imageWidth*imageHeight*4, PixelFormat::RGBA8888, pixelFormat, &outTempData, &outTempDataLen);
|
|
|
|
ret = initWithData(outTempData, outTempDataLen, pixelFormat, imageWidth, imageHeight, imageSize);
|
|
|
|
if (outTempData != nullptr && outTempData != outData.getBytes())
|
|
{
|
|
free(outTempData);
|
|
}
|
|
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX)
|
|
_hasPremultipliedAlpha = true;
|
|
#else
|
|
_hasPremultipliedAlpha = false;
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
|
|
// implementation Texture2D (Drawing)
|
|
|
|
void Texture2D::drawAtPoint(const Point& point)
|
|
{
|
|
GLfloat coordinates[] = {
|
|
0.0f, _maxT,
|
|
_maxS,_maxT,
|
|
0.0f, 0.0f,
|
|
_maxS,0.0f };
|
|
|
|
GLfloat width = (GLfloat)_pixelsWide * _maxS,
|
|
height = (GLfloat)_pixelsHigh * _maxT;
|
|
|
|
GLfloat vertices[] = {
|
|
point.x, point.y,
|
|
width + point.x, point.y,
|
|
point.x, height + point.y,
|
|
width + point.x, height + point.y };
|
|
|
|
GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION | GL::VERTEX_ATTRIB_FLAG_TEX_COORDS );
|
|
_shaderProgram->use();
|
|
_shaderProgram->setUniformsForBuiltins();
|
|
|
|
GL::bindTexture2D( _name );
|
|
|
|
|
|
#ifdef EMSCRIPTEN
|
|
setGLBufferData(vertices, 8 * sizeof(GLfloat), 0);
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
|
|
|
|
setGLBufferData(coordinates, 8 * sizeof(GLfloat), 1);
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORDS, 2, GL_FLOAT, GL_FALSE, 0, 0);
|
|
#else
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORDS, 2, GL_FLOAT, GL_FALSE, 0, coordinates);
|
|
#endif // EMSCRIPTEN
|
|
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
|
}
|
|
|
|
void Texture2D::drawInRect(const Rect& rect)
|
|
{
|
|
GLfloat coordinates[] = {
|
|
0.0f, _maxT,
|
|
_maxS,_maxT,
|
|
0.0f, 0.0f,
|
|
_maxS,0.0f };
|
|
|
|
GLfloat vertices[] = { rect.origin.x, rect.origin.y, /*0.0f,*/
|
|
rect.origin.x + rect.size.width, rect.origin.y, /*0.0f,*/
|
|
rect.origin.x, rect.origin.y + rect.size.height, /*0.0f,*/
|
|
rect.origin.x + rect.size.width, rect.origin.y + rect.size.height, /*0.0f*/ };
|
|
|
|
GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION | GL::VERTEX_ATTRIB_FLAG_TEX_COORDS );
|
|
_shaderProgram->use();
|
|
_shaderProgram->setUniformsForBuiltins();
|
|
|
|
GL::bindTexture2D( _name );
|
|
|
|
#ifdef EMSCRIPTEN
|
|
setGLBufferData(vertices, 8 * sizeof(GLfloat), 0);
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, 0);
|
|
|
|
setGLBufferData(coordinates, 8 * sizeof(GLfloat), 1);
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORDS, 2, GL_FLOAT, GL_FALSE, 0, 0);
|
|
#else
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, 0, vertices);
|
|
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_TEX_COORDS, 2, GL_FLOAT, GL_FALSE, 0, coordinates);
|
|
#endif // EMSCRIPTEN
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
|
}
|
|
|
|
void Texture2D::PVRImagesHavePremultipliedAlpha(bool haveAlphaPremultiplied)
|
|
{
|
|
_PVRHaveAlphaPremultiplied = haveAlphaPremultiplied;
|
|
}
|
|
|
|
|
|
//
|
|
// Use to apply MIN/MAG filter
|
|
//
|
|
// implementation Texture2D (GLFilter)
|
|
|
|
void Texture2D::generateMipmap()
|
|
{
|
|
CCASSERT(_pixelsWide == ccNextPOT(_pixelsWide) && _pixelsHigh == ccNextPOT(_pixelsHigh), "Mipmap texture only works in POT textures");
|
|
GL::bindTexture2D( _name );
|
|
glGenerateMipmap(GL_TEXTURE_2D);
|
|
_hasMipmaps = true;
|
|
#if CC_ENABLE_CACHE_TEXTURE_DATA
|
|
VolatileTextureMgr::setHasMipmaps(this, _hasMipmaps);
|
|
#endif
|
|
}
|
|
|
|
bool Texture2D::hasMipmaps() const
|
|
{
|
|
return _hasMipmaps;
|
|
}
|
|
|
|
void Texture2D::setTexParameters(const TexParams &texParams)
|
|
{
|
|
CCASSERT((_pixelsWide == ccNextPOT(_pixelsWide) || texParams.wrapS == GL_CLAMP_TO_EDGE) &&
|
|
(_pixelsHigh == ccNextPOT(_pixelsHigh) || texParams.wrapT == GL_CLAMP_TO_EDGE),
|
|
"GL_CLAMP_TO_EDGE should be used in NPOT dimensions");
|
|
|
|
GL::bindTexture2D( _name );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texParams.minFilter );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texParams.magFilter );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, texParams.wrapS );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, texParams.wrapT );
|
|
|
|
#if CC_ENABLE_CACHE_TEXTURE_DATA
|
|
VolatileTextureMgr::setTexParameters(this, texParams);
|
|
#endif
|
|
}
|
|
|
|
void Texture2D::setAliasTexParameters()
|
|
{
|
|
GL::bindTexture2D( _name );
|
|
|
|
if( ! _hasMipmaps )
|
|
{
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
|
|
}
|
|
else
|
|
{
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST );
|
|
}
|
|
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
|
|
#if CC_ENABLE_CACHE_TEXTURE_DATA
|
|
TexParams texParams = {(GLuint)(_hasMipmaps?GL_NEAREST_MIPMAP_NEAREST:GL_NEAREST),GL_NEAREST,GL_NONE,GL_NONE};
|
|
VolatileTextureMgr::setTexParameters(this, texParams);
|
|
#endif
|
|
}
|
|
|
|
void Texture2D::setAntiAliasTexParameters()
|
|
{
|
|
GL::bindTexture2D( _name );
|
|
|
|
if( ! _hasMipmaps )
|
|
{
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
|
|
}
|
|
else
|
|
{
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST );
|
|
}
|
|
|
|
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
|
|
#if CC_ENABLE_CACHE_TEXTURE_DATA
|
|
TexParams texParams = {(GLuint)(_hasMipmaps?GL_LINEAR_MIPMAP_NEAREST:GL_LINEAR),GL_LINEAR,GL_NONE,GL_NONE};
|
|
VolatileTextureMgr::setTexParameters(this, texParams);
|
|
#endif
|
|
}
|
|
|
|
const char* Texture2D::getStringForFormat() const
|
|
{
|
|
switch (_pixelFormat)
|
|
{
|
|
case Texture2D::PixelFormat::RGBA8888:
|
|
return "RGBA8888";
|
|
|
|
case Texture2D::PixelFormat::RGB888:
|
|
return "RGB888";
|
|
|
|
case Texture2D::PixelFormat::RGB565:
|
|
return "RGB565";
|
|
|
|
case Texture2D::PixelFormat::RGBA4444:
|
|
return "RGBA4444";
|
|
|
|
case Texture2D::PixelFormat::RGB5A1:
|
|
return "RGB5A1";
|
|
|
|
case Texture2D::PixelFormat::AI88:
|
|
return "AI88";
|
|
|
|
case Texture2D::PixelFormat::A8:
|
|
return "A8";
|
|
|
|
case Texture2D::PixelFormat::I8:
|
|
return "I8";
|
|
|
|
case Texture2D::PixelFormat::PVRTC4:
|
|
return "PVRTC4";
|
|
|
|
case Texture2D::PixelFormat::PVRTC2:
|
|
return "PVRTC2";
|
|
|
|
default:
|
|
CCASSERT(false , "unrecognized pixel format");
|
|
CCLOG("stringForFormat: %ld, cannot give useful result", (long)_pixelFormat);
|
|
break;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
//
|
|
// Texture options for images that contains alpha
|
|
//
|
|
// implementation Texture2D (PixelFormat)
|
|
|
|
void Texture2D::setDefaultAlphaPixelFormat(Texture2D::PixelFormat format)
|
|
{
|
|
g_defaultAlphaPixelFormat = format;
|
|
}
|
|
|
|
Texture2D::PixelFormat Texture2D::getDefaultAlphaPixelFormat()
|
|
{
|
|
return g_defaultAlphaPixelFormat;
|
|
}
|
|
|
|
unsigned int Texture2D::getBitsPerPixelForFormat(Texture2D::PixelFormat format) const
|
|
{
|
|
if (format == PixelFormat::NONE)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return _pixelFormatInfoTables.at(format).bpp;
|
|
}
|
|
|
|
unsigned int Texture2D::getBitsPerPixelForFormat() const
|
|
{
|
|
return this->getBitsPerPixelForFormat(_pixelFormat);
|
|
}
|
|
|
|
const Texture2D::PixelFormatInfoMap& Texture2D::getPixelFormatInfoMap()
|
|
{
|
|
return _pixelFormatInfoTables;
|
|
}
|
|
|
|
|
|
NS_CC_END
|