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WIP: Encode astc support #810
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74a8199
Add missing backslahes to build_macos.sh
wasimabbas-arm 9000e0c
Move astc options out of create
wasimabbas-arm 4263d61
Add encode-astc support
wasimabbas-arm c4cc963
Shuffle around doxygen snippet and remove CMAKE_EXPORT_COMPILE_COMMANDS
wasimabbas-arm 24d0fee
Add decode method for astc textures that is used by psnr and ssim met…
wasimabbas-arm a925f3f
Remove tabs, replacing with 4 spaces each, fix bug with vkformat in a…
wasimabbas-arm b8ccb41
Minor typo fix
wasimabbas-arm c1b8938
Fix merge conflicts
wasimabbas-arm ba5a425
Fix SRGB asserts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| // Copyright 2022-2023 The Khronos Group Inc. | ||
| // Copyright 2022-2023 RasterGrid Kft. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| #include "command.h" | ||
| #include "utility.h" | ||
| #include <thread> | ||
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|
||
| namespace ktx { | ||
|
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||
| /** | ||
| //! [command options_astc] | ||
| <dl> | ||
| <dt>\--astc-quality <level></dt> | ||
| <dd>The quality level configures the quality-performance | ||
| tradeoff for the compressor; more complete searches of the | ||
| search space improve image quality at the expense of | ||
| compression time. Default is 'medium'. The quality level can be | ||
| set between fastest (0) and exhaustive (100) via the | ||
| following fixed quality presets: | ||
| <table> | ||
| <tr><th>Level </th> <th> Quality </th></tr> | ||
| <tr><td>fastest </td> <td>(equivalent to quality = 0) </td></tr> | ||
| <tr><td>fast </td> <td>(equivalent to quality = 10) </td></tr> | ||
| <tr><td>medium </td> <td>(equivalent to quality = 60) </td></tr> | ||
| <tr><td>thorough </td> <td>(equivalent to quality = 98) </td></tr> | ||
| <tr><td>exhaustive </td> <td>(equivalent to quality = 100) </td></tr> | ||
| </table> | ||
| </dd> | ||
| <dt>\--astc-perceptual</dt> | ||
| <dd>The codec should optimize for perceptual error, instead of | ||
| direct RMS error. This aims to improve perceived image quality, | ||
| but typically lowers the measured PSNR score. Perceptual | ||
| methods are currently only available for normal maps and RGB | ||
| color data.</dd> | ||
| </dl> | ||
| //! [command options_astc] | ||
| */ | ||
| struct OptionsASTC : public ktxAstcParams { | ||
| inline static const char* kAstcQuality = "astc-quality"; | ||
| inline static const char* kAstcPerceptual = "astc-perceptual"; | ||
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| std::string astcOptions{}; | ||
| bool encodeASTC = false; | ||
| ClampedOption<ktx_uint32_t> qualityLevel{ktxAstcParams::qualityLevel, 0, KTX_PACK_ASTC_QUALITY_LEVEL_MAX}; | ||
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| OptionsASTC() : ktxAstcParams() { | ||
| threadCount = std::thread::hardware_concurrency(); | ||
| if (threadCount == 0) | ||
| threadCount = 1; | ||
| structSize = sizeof(ktxAstcParams); | ||
| normalMap = false; | ||
| for (int i = 0; i < 4; i++) | ||
| inputSwizzle[i] = 0; | ||
| qualityLevel.clear(); | ||
| } | ||
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| void init(cxxopts::Options& opts) { | ||
| opts.add_options("Encode ASTC") | ||
| (kAstcQuality, | ||
| "The quality level configures the quality-performance tradeoff for " | ||
| "the compressor; more complete searches of the search space " | ||
| "improve image quality at the expense of compression time. Default " | ||
| "is 'medium'. The quality level can be set between fastest (0) and " | ||
| "exhaustive (100) via the following fixed quality presets:\n\n" | ||
| " Level | Quality\n" | ||
| " ---------- | -----------------------------\n" | ||
| " fastest | (equivalent to quality = 0)\n" | ||
| " fast | (equivalent to quality = 10)\n" | ||
| " medium | (equivalent to quality = 60)\n" | ||
| " thorough | (equivalent to quality = 98)\n" | ||
| " exhaustive | (equivalent to quality = 100)", | ||
| cxxopts::value<std::string>(), "<level>") | ||
| (kAstcPerceptual, | ||
| "The codec should optimize for perceptual error, instead of direct " | ||
| "RMS error. This aims to improve perceived image quality, but " | ||
| "typically lowers the measured PSNR score. Perceptual methods are " | ||
| "currently only available for normal maps and RGB color data."); | ||
| } | ||
|
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| void captureASTCOption(const char* name) { | ||
| astcOptions += fmt::format(" --{}", name); | ||
| } | ||
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| template <typename T> | ||
| T captureASTCOption(cxxopts::ParseResult& args, const char* name) { | ||
| const T value = args[name].as<T>(); | ||
| astcOptions += fmt::format(" --{} {}", name, value); | ||
| return value; | ||
| } | ||
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| void process(cxxopts::Options&, cxxopts::ParseResult& args, Reporter& report) { | ||
| if (args[kAstcQuality].count()) { | ||
| static std::unordered_map<std::string, ktx_pack_astc_quality_levels_e> astc_quality_mapping{ | ||
| {"fastest", KTX_PACK_ASTC_QUALITY_LEVEL_FASTEST}, | ||
| {"fast", KTX_PACK_ASTC_QUALITY_LEVEL_FAST}, | ||
| {"medium", KTX_PACK_ASTC_QUALITY_LEVEL_MEDIUM}, | ||
| {"thorough", KTX_PACK_ASTC_QUALITY_LEVEL_THOROUGH}, | ||
| {"exhaustive", KTX_PACK_ASTC_QUALITY_LEVEL_EXHAUSTIVE} | ||
| }; | ||
| const auto qualityLevelStr = to_lower_copy(captureASTCOption<std::string>(args, kAstcQuality)); | ||
| const auto it = astc_quality_mapping.find(qualityLevelStr); | ||
| if (it == astc_quality_mapping.end()) | ||
| report.fatal_usage("Invalid astc-quality: \"{}\"", qualityLevelStr); | ||
| qualityLevel = it->second; | ||
| } else { | ||
| qualityLevel = KTX_PACK_ASTC_QUALITY_LEVEL_MEDIUM; | ||
| } | ||
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| if (args[kAstcPerceptual].count()) { | ||
| captureASTCOption(kAstcPerceptual); | ||
| perceptual = KTX_TRUE; | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| } // namespace ktx | ||
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I'm not sure the <dl> should be here. Is it in the other snippets?
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In encode_utils.h it has, and from the source c4cc963#diff-8ca48860d1bd768774f38f0f522ba91ef7dbb887e660917c74b7088da850752aL604 where I brought this from, it had it too.
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Okay. When this PR is further along we can build the docs and check what it looks like. I'll leave this conversation open to remind us.