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annotate src/modules/image/CompressedData.cpp @ 1421:aa603d1b03bc image-CompressedData

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Code cleanup
author Alex Szpakowski <slime73@gmail.com>
date Fri, 05 Apr 2013 18:55:44 -0300
parents 2a5ef265e040
children 377f9dad7a2d
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1420
2a5ef265e040 Added support for DXT1/3/5 and BC5/7 compressed textures via love.image.CompressedData. Some internals are still iffy.
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1 /**
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2 * Copyright (c) 2006-2013 LOVE Development Team
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3 *
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4 * This software is provided 'as-is', without any express or implied
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5 * warranty. In no event will the authors be held liable for any damages
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6 * arising from the use of this software.
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7 *
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8 * Permission is granted to anyone to use this software for any purpose,
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9 * including commercial applications, and to alter it and redistribute it
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10 * freely, subject to the following restrictions:
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11 *
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12 * 1. The origin of this software must not be misrepresented; you must not
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13 * claim that you wrote the original software. If you use this software
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14 * in a product, an acknowledgment in the product documentation would be
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15 * appreciated but is not required.
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16 * 2. Altered source versions must be plainly marked as such, and must not be
2a5ef265e040 Added support for DXT1/3/5 and BC5/7 compressed textures via love.image.CompressedData. Some internals are still iffy.
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17 * misrepresented as being the original software.
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18 * 3. This notice may not be removed or altered from any source distribution.
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19 **/
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21 #include "CompressedData.h"
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23 namespace love
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24 {
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25 namespace image
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26 {
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27
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28 CompressedData::CompressedData()
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29 : type(TYPE_MAX_ENUM)
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30 {
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32 }
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34 CompressedData::~CompressedData()
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35 {
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37 }
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39 int CompressedData::getSize() const
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40 {
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41 size_t totalsize = sizeof(MipmapInfo) * dataMipmapInfo.size();
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43 for (size_t i = 0; i < dataMipmapInfo.size(); i++)
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44 totalsize += dataMipmapInfo[i].size;
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46 return totalsize;
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47 }
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49 void *CompressedData::getData() const
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50 {
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51 // ?
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52 return (void *) &dataMipmapInfo[0].data[0];
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53 }
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55 int CompressedData::getNumMipmaps() const
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56 {
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57 return dataMipmapInfo.size();
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58 }
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60 int CompressedData::getSize(int miplevel) const
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61 {
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62 checkMipmapLevelExists(miplevel);
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64 return dataMipmapInfo[miplevel].size;
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65 }
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66
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67 void *CompressedData::getData(int miplevel) const
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68 {
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69 checkMipmapLevelExists(miplevel);
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71 return (void *) &dataMipmapInfo[miplevel].data[0];
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72 }
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74 int CompressedData::getWidth(int miplevel) const
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75 {
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76 checkMipmapLevelExists(miplevel);
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78 return dataMipmapInfo[miplevel].width;
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79 }
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81 int CompressedData::getHeight(int miplevel) const
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82 {
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83 checkMipmapLevelExists(miplevel);
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85 return dataMipmapInfo[miplevel].height;
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86 }
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88 CompressedData::TextureType CompressedData::getType() const
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89 {
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90 return type;
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91 }
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93 void CompressedData::checkMipmapLevelExists(int miplevel) const
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94 {
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95 if (miplevel < 0 || miplevel >= dataMipmapInfo.size())
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96 throw love::Exception("Mipmap level %d does not exist", miplevel);
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97 }
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99 bool CompressedData::getConstant(const char *in, CompressedData::TextureType &out)
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100 {
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101 return types.find(in, out);
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102 }
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104 bool CompressedData::getConstant(CompressedData::TextureType in, const char *&out)
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105 {
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106 return types.find(in, out);
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107 }
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108
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109 StringMap<CompressedData::TextureType, CompressedData::TYPE_MAX_ENUM>::Entry CompressedData::typeEntries[] =
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110 {
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111 {"dxt1", CompressedData::TYPE_DXT1},
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112 {"dxt3", CompressedData::TYPE_DXT3},
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113 {"dxt5", CompressedData::TYPE_DXT5},
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114 {"bc5s", CompressedData::TYPE_BC5s},
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115 {"bc5", CompressedData::TYPE_BC5},
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116 {"bc7", CompressedData::TYPE_BC7},
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117 {"bc7srgb", CompressedData::TYPE_BC7srgb},
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118 };
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119
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120 StringMap<CompressedData::TextureType, CompressedData::TYPE_MAX_ENUM> CompressedData::types(CompressedData::typeEntries, sizeof(CompressedData::typeEntries));
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121
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122 } // image
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123 } // love