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f20b17a2ae
The size of the LTO build of the engine with the dylib compressed is as follows: ```sh $ du -k libFlutter* 5236 libFlutter.dylib.tar.gz 4324 libFlutterSlimpeller.dylib.tar.gz ``` Sizes are in KiB. This represents a binary size reduction of 17.41% of the compressed artifacts. The compression ratios will likely differ based on the compression scheme. Uncompressed, the sizes are: ```sh $ du -k libFlutter* 16920 libFlutter.dylib 14044 libFlutterSlimpeller.dylib ``` This represents a binary size reduction of 16.99% which is in the same ballpark. The really mucky bit was backing out the raster cache and persistent cache. I want to clean that up in a later patch so that those TUs are part of a separate submodule. Opting out of Impeller will lead to a fatal log at startup saying the opt-out is disallowed. Fixes https://github.com/flutter/flutter/issues/126606
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#if !SLIMPELLER
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#include "flutter/shell/common/context_options.h"
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#include "flutter/common/graphics/persistent_cache.h"
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namespace flutter {
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GrContextOptions MakeDefaultContextOptions(ContextType type,
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std::optional<GrBackendApi> api) {
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GrContextOptions options;
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if (PersistentCache::cache_sksl()) {
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options.fShaderCacheStrategy = GrContextOptions::ShaderCacheStrategy::kSkSL;
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}
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PersistentCache::MarkStrategySet();
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options.fPersistentCache = PersistentCache::GetCacheForProcess();
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if (api.has_value() && api.value() == GrBackendApi::kOpenGL) {
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// Using stencil buffers has caused memory and performance regressions.
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// See b/226484927 for internal customer regressions doc.
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// Before enabling, we need to show a motivating case for where it will
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// improve performance on OpenGL backend.
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options.fAvoidStencilBuffers = true;
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// To get video playback on the widest range of devices, we limit Skia to
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// ES2 shading language when the ES3 external image extension is missing.
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options.fPreferExternalImagesOverES3 = true;
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}
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// TODO(goderbauer): remove option when skbug.com/7523 is fixed.
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options.fDisableGpuYUVConversion = true;
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options.fReduceOpsTaskSplitting = GrContextOptions::Enable::kNo;
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options.fReducedShaderVariations = false;
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return options;
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};
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} // namespace flutter
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#endif // !SLIMPELLER
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