af102bee51
FontCacheHistoryTracker should be turned off before shipping: b/31438876 bug:30427106 Change-Id: Ic26b25e790d4ee69e484ca0cb23dc9cc522b2ed3
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "../utils/RingBuffer.h"
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#include <utils/String8.h>
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namespace android {
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namespace uirenderer {
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class CacheTexture;
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struct CachedGlyphInfo;
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// Tracks glyph uploads and recent rendered/skipped glyphs, so it can give an idea
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// what a missing character is: skipped glyph, wrong coordinates in cache texture etc.
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class FontCacheHistoryTracker {
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public:
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void glyphRendered(CachedGlyphInfo*, int penX, int penY);
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void glyphUploaded(CacheTexture*, uint32_t x, uint32_t y, uint16_t glyphW, uint16_t glyphH);
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void glyphsCleared(CacheTexture*);
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void frameCompleted();
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void dump(String8& log) const;
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private:
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struct CachedGlyph {
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void* texture;
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uint16_t generation;
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uint16_t startX;
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uint16_t startY;
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uint16_t bitmapW;
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uint16_t bitmapH;
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};
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struct RenderEntry {
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CachedGlyph glyph;
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int penX;
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int penY;
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};
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static void dumpCachedGlyph(String8& log, const CachedGlyph& glyph);
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static void dumpRenderEntry(String8& log, const RenderEntry& entry);
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static void dumpUploadEntry(String8& log, const CachedGlyph& glyph);
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RingBuffer<RenderEntry, 300> mRenderHistory;
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RingBuffer<CachedGlyph, 120> mUploadHistory;
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uint16_t generation = 0;
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};
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}; // namespace uirenderer
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}; // namespace android
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