Support ktx2 loader #1625

gz65555 · 2023-06-28T01:53:09Z

Please check if the PR fulfills these requirements

The commit message follows our guidelines
Tests for the changes have been added (for bug fixes / features)
Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

Support ktx2 loader

doc: https://yuque.antfin-inc.com/kevin.hs/notebook/im0sldctixwmx5gl?singleDoc# (not public now)
demo: https://github.com/gz65555/ktx2-demo (link engine)

Usage

Basic

engine.resourceManager('skybox.ktx2').then(...);
engine.resourceManager('duck.ktx2').then(...);

Init Transcode WebWorker

KTX2Loader.init(...);

Destroy Transcode WebWorker

KTX2Loader.destroy();

Specify Format Priority(Advanced)

engine.resourceManager({
...,
formatPriorities: [KTX2TargetFormat.RGBA32]
}).then(...);

GuoLei1990 · 2023-07-10T08:34:32Z

BinomialLLCTranscoder and KhronosTranscoder folder name should be lowercase

packages/loader/src/ktx2/KTX2TargetFormat.ts

packages/loader/src/ktx2/WorkerPool.ts

packages/loader/src/index.ts

packages/loader/src/ktx2/KTX2TargetFormat.ts

packages/loader/src/ktx2/WorkerPool.ts

packages/loader/src/ktx2/BinomialLLCTranscoder/BinomialLLCTranscoder.ts

packages/loader/src/ktx2/KTX2Loader.ts

GuoLei1990 · 2023-07-11T06:00:05Z

packages/loader/src/ktx2/KTX2Loader.ts

+    [KTX2TargetFormat.ETC]: [GLCapabilityType.etc],
+    [KTX2TargetFormat.DXT]: [GLCapabilityType.s3tc],
+    [KTX2TargetFormat.PVRTC]: [GLCapabilityType.pvrtc, GLCapabilityType.pvrtc_webkit]
+  };


canIUse should improve

packages/loader/src/ktx2/KTX2Loader.ts

GuoLei1990 · 2023-07-11T06:42:13Z

packages/loader/src/ktx2/KTX2Loader.ts

+      const formatPriorities = item.params?.formatPriorities;
+      const targetFormat = KTX2Loader._detectTranscoder(resourceManager.engine, ktx2Container, formatPriorities);
+      let transcodeResultPromise: Promise<any>;
+      if (targetFormat === KTX2TargetFormat.ASTC && ktx2Container.isUASTC) {


R8 RG8 RGBA8 should use KhronosTranscoder too!

Wait engine support

packages/loader/src/ktx2/KTX2Loader.ts

packages/loader/src/ktx2/KTX2Container.ts

packages/loader/src/ktx2/TranscodeResult.ts

packages/loader/src/ktx2/KhronosTranscoder/TranscoderWorkerCode.ts

packages/loader/src/ktx2/constants.ts

packages/loader/src/resource-deserialize/utils/BufferReader.ts

packages/loader/src/ktx2/KhronosTranscoder/KhronosTranscoder.ts

packages/loader/src/ktx2/KTX2Container.ts

packages/loader/src/resource-deserialize/utils/BufferReader.ts

packages/loader/src/ktx2/KTX2Loader.ts

packages/loader/src/ktx2/transcoder/BinomialLLCTranscoder.ts

packages/loader/src/ktx2/KTX2TargetFormat.ts

* dev/1.1: Support ktx2 loader (galacean#1625) feat: add texture plugin to support ktx loader (galacean#1640) Fix blend shape bug due to buffer index errors (galacean#1632) Model Mesh supports two-way data synchronization (galacean#1588)

gz65555 added 2 commits June 28, 2023 09:49

feat(ktx2): support ktx2 loader

3b53f36

test(ktx2): ignore ktx2 test when collect coverage

8167f6a

gz65555 requested a review from GuoLei1990 June 28, 2023 01:58

GuoLei1990 added the enhancement New feature or request label Jul 3, 2023

gz65555 added 3 commits July 3, 2023 10:36

fix: lint error

776ac28

refactor: keep kv data

ccd2851

fix: kv parser 4-byte alignment

4269393

GuoLei1990 added the resource Resource-related functions label Jul 10, 2023

GuoLei1990 reviewed Jul 10, 2023

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GuoLei1990 reviewed Jul 10, 2023

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GuoLei1990 reviewed Jul 10, 2023

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gz65555 commented Jul 11, 2023

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