1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "FontCacheHistoryTracker.h"
18
19#include "CachedGlyphInfo.h"
20#include "CacheTexture.h"
21
22namespace android {
23namespace uirenderer {
24
25void FontCacheHistoryTracker::dumpCachedGlyph(String8& log, const CachedGlyph& glyph) {
26    log.appendFormat("glyph (texture %p, position: (%d, %d), size: %dx%d, gen: %d)", glyph.texture,
27            glyph.startX, glyph.startY, glyph.bitmapW, glyph.bitmapH, glyph.generation);
28}
29
30void FontCacheHistoryTracker::dumpRenderEntry(String8& log, const RenderEntry& entry) {
31    if (entry.penX == -1 && entry.penY == -1) {
32        log.appendFormat("      glyph skipped in gen: %d\n", entry.glyph.generation);
33    } else {
34        log.appendFormat("      rendered ");
35        dumpCachedGlyph(log, entry.glyph);
36        log.appendFormat(" at (%d, %d)\n", entry.penX, entry.penY);
37    }
38}
39
40void FontCacheHistoryTracker::dumpUploadEntry(String8& log, const CachedGlyph& glyph) {
41    if (glyph.bitmapW == 0 && glyph.bitmapH == 0) {
42        log.appendFormat("      cleared cachetexture %p in gen %d\n", glyph.texture,
43                glyph.generation);
44    } else {
45        log.appendFormat("      uploaded ");
46        dumpCachedGlyph(log, glyph);
47        log.appendFormat("\n");
48    }
49}
50
51void FontCacheHistoryTracker::dump(String8& log) const {
52    log.appendFormat("FontCacheHistory: \n");
53    log.appendFormat("  Upload history: \n");
54    for (size_t i = 0; i < mUploadHistory.size(); i++) {
55        dumpUploadEntry(log, mUploadHistory[i]);
56    }
57    log.appendFormat("  Render history: \n");
58    for (size_t i = 0; i < mRenderHistory.size(); i++) {
59        dumpRenderEntry(log, mRenderHistory[i]);
60    }
61}
62
63void FontCacheHistoryTracker::glyphRendered(CachedGlyphInfo* glyphInfo, int penX, int penY) {
64    RenderEntry& entry = mRenderHistory.next();
65    entry.glyph.generation = generation;
66    entry.glyph.texture = glyphInfo->mCacheTexture;
67    entry.glyph.startX = glyphInfo->mStartX;
68    entry.glyph.startY = glyphInfo->mStartY;
69    entry.glyph.bitmapW = glyphInfo->mBitmapWidth;
70    entry.glyph.bitmapH = glyphInfo->mBitmapHeight;
71    entry.penX = penX;
72    entry.penY = penY;
73}
74
75void FontCacheHistoryTracker::glyphUploaded(CacheTexture* texture, uint32_t x, uint32_t y,
76        uint16_t glyphW, uint16_t glyphH) {
77    CachedGlyph& glyph = mUploadHistory.next();
78    glyph.generation = generation;
79    glyph.texture = texture;
80    glyph.startX = x;
81    glyph.startY = y;
82    glyph.bitmapW = glyphW;
83    glyph.bitmapH = glyphH;
84}
85
86void FontCacheHistoryTracker::glyphsCleared(CacheTexture* texture) {
87    CachedGlyph& glyph = mUploadHistory.next();
88    glyph.generation = generation;
89    glyph.texture = texture;
90    glyph.startX = 0;
91    glyph.startY = 0;
92    glyph.bitmapW = 0;
93    glyph.bitmapH = 0;
94}
95
96void FontCacheHistoryTracker::frameCompleted() {
97    generation++;
98}
99}; // namespace uirenderer
100}; // namespace android
101