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1 /*
2  * Copyright 2011, The Android Open Source Project
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *  * Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  *  * Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 
27 #include "config.h"
28 #include "BaseRenderer.h"
29 
30 #if USE(ACCELERATED_COMPOSITING)
31 
32 #include "GaneshRenderer.h"
33 #include "GLUtils.h"
34 #include "RasterRenderer.h"
35 #include "SkBitmap.h"
36 #include "SkBitmapRef.h"
37 #include "SkCanvas.h"
38 #include "SkDevice.h"
39 #include "SkPicture.h"
40 #include "TilesManager.h"
41 
42 #include <wtf/text/CString.h>
43 
44 #ifdef DEBUG
45 
46 #include <cutils/log.h>
47 #include <wtf/CurrentTime.h>
48 
49 #undef XLOG
50 #define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "BaseRenderer", __VA_ARGS__)
51 
52 #else
53 
54 #undef XLOG
55 #define XLOG(...)
56 
57 #endif // DEBUG
58 
59 namespace WebCore {
60 
61 BaseRenderer::RendererType BaseRenderer::g_currentType = BaseRenderer::Raster;
62 
createRenderer()63 BaseRenderer* BaseRenderer::createRenderer()
64 {
65     if (g_currentType == Raster)
66         return new RasterRenderer();
67     else if (g_currentType == Ganesh)
68         return new GaneshRenderer();
69     return NULL;
70 }
71 
swapRendererIfNeeded(BaseRenderer * & renderer)72 void BaseRenderer::swapRendererIfNeeded(BaseRenderer*& renderer)
73 {
74     if (renderer->getType() == g_currentType)
75         return;
76 
77     delete renderer;
78     renderer = createRenderer();
79 }
80 
drawTileInfo(SkCanvas * canvas,const TileRenderInfo & renderInfo,int pictureCount)81 void BaseRenderer::drawTileInfo(SkCanvas* canvas,
82         const TileRenderInfo& renderInfo, int pictureCount)
83 {
84     SkPaint paint;
85     char str[256];
86     snprintf(str, 256, "(%d,%d) %.2f, tl%x p%x c%d", renderInfo.x, renderInfo.y,
87             renderInfo.scale, this, renderInfo.tilePainter, pictureCount);
88     paint.setARGB(255, 0, 0, 0);
89     canvas->drawText(str, strlen(str), 0, 10, paint);
90     paint.setARGB(255, 255, 0, 0);
91     canvas->drawText(str, strlen(str), 0, 11, paint);
92 
93     int tagCount = 0;
94     const String* tags = getPerformanceTags(tagCount);
95 
96     float total = 0;
97     for (int i = 0; i < tagCount; i++) {
98         float tagDuration = m_perfMon.getAverageDuration(tags[i]);
99         total += tagDuration;
100         snprintf(str, 256, "%s: %.2f", tags[i].utf8().data(), tagDuration);
101         paint.setARGB(255, 0, 0, 0);
102         int textY = (i * 12) + 25;
103         canvas->drawText(str, strlen(str), 0, textY, paint);
104         paint.setARGB(255, 255, 0, 0);
105         canvas->drawText(str, strlen(str), 0, textY + 1, paint);
106     }
107     snprintf(str, 256, "total: %.2f", total);
108     paint.setARGB(255, 0, 0, 0);
109     int textY = (tagCount * 12) + 30;
110     canvas->drawText(str, strlen(str), 0, textY, paint);
111     paint.setARGB(255, 255, 0, 0);
112     canvas->drawText(str, strlen(str), 0, textY + 1, paint);
113 }
114 
renderTiledContent(const TileRenderInfo & renderInfo)115 int BaseRenderer::renderTiledContent(const TileRenderInfo& renderInfo)
116 {
117     const bool visualIndicator = TilesManager::instance()->getShowVisualIndicator();
118     const SkSize& tileSize = renderInfo.tileSize;
119 
120     SkCanvas canvas;
121     setupCanvas(renderInfo, &canvas);
122 
123     if (!canvas.getDevice()) {
124         XLOG("Error: No Device");
125         return 0;
126     }
127 
128     if (visualIndicator)
129         canvas.save();
130 
131     setupPartialInval(renderInfo, &canvas);
132     canvas.translate(-renderInfo.x * tileSize.width(), -renderInfo.y * tileSize.height());
133     canvas.scale(renderInfo.scale, renderInfo.scale);
134     unsigned int pictureCount = 0;
135     renderInfo.tilePainter->paint(renderInfo.baseTile, &canvas, &pictureCount);
136     if (renderInfo.baseTile->isLayerTile())
137         renderInfo.tilePainter->paintExtra(&canvas);
138 
139     if (visualIndicator) {
140         canvas.restore();
141         const int color = 20 + (pictureCount % 100);
142 
143         // only color the invalidated area
144         SkPaint invalPaint;
145         invalPaint.setARGB(color, 0, 255, 0);
146         canvas.drawIRect(*renderInfo.invalRect, invalPaint);
147 
148         // paint the tile boundaries
149         SkPaint paint;
150         paint.setARGB(128, 255, 0, 0);
151         paint.setStrokeWidth(3);
152         canvas.drawLine(0, 0, tileSize.width(), tileSize.height(), paint);
153         paint.setARGB(128, 0, 255, 0);
154         canvas.drawLine(0, tileSize.height(), tileSize.width(), 0, paint);
155         paint.setARGB(128, 0, 0, 255);
156         canvas.drawLine(0, 0, tileSize.width(), 0, paint);
157         canvas.drawLine(tileSize.width(), 0, tileSize.width(), tileSize.height(), paint);
158 
159         if (renderInfo.measurePerf)
160             drawTileInfo(&canvas, renderInfo, pictureCount);
161     }
162     renderInfo.textureInfo->m_pictureCount = pictureCount;
163     renderingComplete(renderInfo, &canvas);
164     return pictureCount;
165 }
166 
167 } // namespace WebCore
168 
169 #endif // USE(ACCELERATED_COMPOSITING)
170