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 #define LOG_TAG "BaseRenderer"
27 #define LOG_NDEBUG 1
28
29 #include "config.h"
30 #include "BaseRenderer.h"
31
32 #if USE(ACCELERATED_COMPOSITING)
33
34 #include "AndroidLog.h"
35 #include "GLUtils.h"
36 #include "InstrumentedPlatformCanvas.h"
37 #include "RasterRenderer.h"
38 #include "SkBitmap.h"
39 #include "SkBitmapRef.h"
40 #include "SkCanvas.h"
41 #include "SkDevice.h"
42 #include "SkPicture.h"
43 #include "SkTypeface.h"
44 #include "Tile.h"
45 #include "TilesManager.h"
46
47 #include <wtf/text/CString.h>
48
49 #define UPDATE_COUNT_MASK 0xFF // displayed count wraps at 256
50 #define UPDATE_COUNT_ALPHA_MASK 0x1F // alpha wraps at 32
51
52 namespace WebCore {
53
54 BaseRenderer::RendererType BaseRenderer::g_currentType = BaseRenderer::Raster;
55
createRenderer()56 BaseRenderer* BaseRenderer::createRenderer()
57 {
58 if (g_currentType == Raster)
59 return new RasterRenderer();
60 return NULL;
61 }
62
swapRendererIfNeeded(BaseRenderer * & renderer)63 void BaseRenderer::swapRendererIfNeeded(BaseRenderer*& renderer)
64 {
65 if (renderer->getType() == g_currentType)
66 return;
67
68 delete renderer;
69 renderer = createRenderer();
70 }
71
drawTileInfo(SkCanvas * canvas,const TileRenderInfo & renderInfo,int updateCount,double renderDuration)72 void BaseRenderer::drawTileInfo(SkCanvas* canvas,
73 const TileRenderInfo& renderInfo, int updateCount, double renderDuration)
74 {
75 static SkTypeface* s_typeface = 0;
76 if (!s_typeface)
77 s_typeface = SkTypeface::CreateFromName("", SkTypeface::kBold);
78 SkPaint paint;
79 paint.setTextSize(17);
80 char str[256];
81 snprintf(str, 256, " (%d,%d) %.2fx %d %.1fms", renderInfo.x, renderInfo.y,
82 renderInfo.scale, updateCount, renderDuration);
83 paint.setARGB(128, 255, 255, 255);
84 canvas->drawRectCoords(0, 0, renderInfo.tileSize.fWidth, 17, paint);
85 paint.setARGB(255, 255, 0, 0);
86 paint.setTypeface(s_typeface);
87 canvas->drawText(str, strlen(str), 20, 15, paint);
88 }
89
renderTiledContent(TileRenderInfo & renderInfo)90 void BaseRenderer::renderTiledContent(TileRenderInfo& renderInfo)
91 {
92 const bool visualIndicator = TilesManager::instance()->getShowVisualIndicator();
93 const SkSize& tileSize = renderInfo.tileSize;
94
95 Color *background = renderInfo.tilePainter->background();
96 InstrumentedPlatformCanvas canvas(TilesManager::instance()->tileWidth(),
97 TilesManager::instance()->tileHeight(),
98 background ? *background : Color::transparent);
99 setupCanvas(renderInfo, &canvas);
100
101 if (!canvas.getDevice()) {
102 // TODO: consider ALOGE
103 ALOGV("Error: No Device");
104 return;
105 }
106
107 double before;
108 if (visualIndicator) {
109 canvas.save();
110 before = currentTimeMS();
111 }
112
113 canvas.translate(-renderInfo.x * tileSize.width(), -renderInfo.y * tileSize.height());
114 canvas.scale(renderInfo.scale, renderInfo.scale);
115 renderInfo.tilePainter->paint(&canvas);
116
117 checkForPureColor(renderInfo, canvas);
118
119 if (visualIndicator) {
120 double after = currentTimeMS();
121 canvas.restore();
122 unsigned int updateCount = renderInfo.tilePainter->getUpdateCount() & UPDATE_COUNT_MASK;
123 const int color = updateCount & UPDATE_COUNT_ALPHA_MASK;
124
125 // only color the invalidated area
126 SkPaint paint;
127 paint.setARGB(color, 0, 255, 0);
128 SkIRect rect;
129 rect.set(0, 0, tileSize.width(), tileSize.height());
130 canvas.drawIRect(rect, paint);
131
132 drawTileInfo(&canvas, renderInfo, updateCount, after - before);
133
134 // paint the tile boundaries
135 paint.setARGB(64, 255, 0, 0);
136 paint.setStrokeWidth(3);
137 canvas.drawLine(0, 0, tileSize.width(), tileSize.height(), paint);
138 paint.setARGB(64, 0, 255, 0);
139 canvas.drawLine(0, tileSize.height(), tileSize.width(), 0, paint);
140 paint.setARGB(128, 0, 0, 255);
141 canvas.drawLine(tileSize.width(), 0, tileSize.width(), tileSize.height(), paint);
142 }
143 renderingComplete(renderInfo, &canvas);
144 }
145
checkForPureColor(TileRenderInfo & renderInfo,InstrumentedPlatformCanvas & canvas)146 void BaseRenderer::checkForPureColor(TileRenderInfo& renderInfo, InstrumentedPlatformCanvas& canvas)
147 {
148 renderInfo.isPureColor = canvas.isSolidColor();
149 renderInfo.pureColor = canvas.solidColor();
150 deviceCheckForPureColor(renderInfo, &canvas);
151 }
152
153 } // namespace WebCore
154
155 #endif // USE(ACCELERATED_COMPOSITING)
156