2 * Copyright 2011, The Android Open Source Project
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27 #include "TiledTexture.h"
29 #include "TilesManager.h"
30 #include "TilesTracker.h"
32 #include "PaintedSurface.h"
33 #include "PaintTileOperation.h"
38 #include <cutils/log.h>
39 #include <wtf/CurrentTime.h>
40 #include <wtf/text/CString.h>
43 #define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "TiledTexture", __VA_ARGS__)
54 void TiledTexture::prepare(GLWebViewState* state, bool repaint)
59 if (!m_surface->layer())
62 // first, how many tiles do we need
63 IntRect visibleArea = m_surface->visibleArea();
64 IntRect area(visibleArea.x() * m_surface->scale(),
65 visibleArea.y() * m_surface->scale(),
66 ceilf(visibleArea.width() * m_surface->scale()),
67 ceilf(visibleArea.height() * m_surface->scale()));
69 for (unsigned int i = 0; i < m_tiles.size(); i++) {
70 BaseTile* tile = m_tiles[i];
71 tile->setUsedLevel(-1);
72 if (!m_dirtyRegion.isEmpty())
73 tile->markAsDirty(1, m_dirtyRegion);
75 m_dirtyRegion.setEmpty();
77 if (area.width() == 0 && area.height() == 0) {
83 int tileWidth = TilesManager::instance()->layerTileWidth();
84 int tileHeight = TilesManager::instance()->layerTileHeight();
86 m_area.setX(area.x() / tileWidth);
87 m_area.setY(area.y() / tileHeight);
88 float right = (area.x() + area.width()) / (float) tileWidth;
89 float bottom = (area.y() + area.height()) / (float) tileHeight;
90 m_area.setWidth(ceilf(right) - m_area.x());
91 m_area.setHeight(ceilf(bottom) - m_area.y());
93 XLOG("for TiledTexture %x, we have a visible area of %d, %d - %d x %d, corresponding to %d, %d x - %d x %d tiles",
95 visibleArea.x(), visibleArea.y(),
96 visibleArea.width(), visibleArea.height(),
97 m_area.x(), m_area.y(),
98 m_area.width(), m_area.height());
100 bool goingDown = m_prevTileY < m_area.y();
101 m_prevTileY = m_area.y();
103 if (m_surface->scale() != m_prevScale)
104 TilesManager::instance()->removeOperationsForFilter(new ScaleFilter(m_surface->scale()));
106 m_prevScale = m_surface->scale();
108 for (int i = 0; i < m_area.width(); i++) {
110 for (int j = 0; j < m_area.height(); j++) {
111 prepareTile(repaint, m_area.x() + i, m_area.y() + j);
114 for (int j = m_area.height() - 1; j >= 0; j--) {
115 prepareTile(repaint, m_area.x() + i, m_area.y() + j);
121 void TiledTexture::markAsDirty(const SkRegion& dirtyArea)
123 m_dirtyRegion.op(dirtyArea, SkRegion::kUnion_Op);
126 void TiledTexture::prepareTile(bool repaint, int x, int y)
128 BaseTile* tile = getTile(x, y);
130 tile = new BaseTile(true);
131 m_tiles.append(tile);
133 tile->reserveTexture();
134 if (!tile->texture())
137 tile->setContents(this, x, y, m_surface->scale());
138 tile->setUsedLevel(0);
140 bool schedule = false;
144 LayerAndroid* layer = m_surface->layer();
145 if (schedule && layer && !tile->isRepaintPending()) {
146 PaintTileOperation *operation = new PaintTileOperation(tile, m_surface);
147 TilesManager::instance()->scheduleOperation(operation);
151 BaseTile* TiledTexture::getTile(int x, int y)
153 for (unsigned int i = 0; i <m_tiles.size(); i++) {
154 BaseTile* tile = m_tiles[i];
155 if (tile->x() == x && tile->y() == y)
161 bool TiledTexture::draw()
164 TilesManager::instance()->getTilesTracker()->trackLayer();
167 bool askRedraw = false;
168 if (m_area.width() == 0 || m_area.height() == 0)
172 TilesManager::instance()->getTilesTracker()->trackVisibleLayer();
175 float m_invScale = 1 / m_surface->scale();
176 const float tileWidth = TilesManager::layerTileWidth() * m_invScale;
177 const float tileHeight = TilesManager::layerTileHeight() * m_invScale;
178 XLOG("draw tile %x, tiles %d", this, m_tiles.size());
179 for (unsigned int i = 0; i <m_tiles.size(); i++) {
180 BaseTile* tile = m_tiles[i];
181 if (tile->x() >= m_area.x()
182 && tile->x() < m_area.x() + m_area.width()
183 && tile->y() >= m_area.y()
184 && tile->y() < m_area.y() + m_area.height()) {
186 rect.fLeft = tile->x() * tileWidth;
187 rect.fTop = tile->y() * tileHeight;
188 rect.fRight = rect.fLeft + tileWidth;
189 rect.fBottom = rect.fTop + tileHeight;
190 XLOG(" - [%d], { painter %x vs %x }, tile %x %d,%d at scale %.2f [ready: %d] dirty: %d", i, this, tile->painter(), tile, tile->x(), tile->y(), tile->scale(), tile->isTileReady(), tile->isDirty());
191 askRedraw |= !tile->isTileReady();
192 tile->draw(m_surface->opacity(), rect, m_surface->scale());
194 TilesManager::instance()->getTilesTracker()->track(tile->isTileReady(), tile->texture());
201 bool TiledTexture::paint(BaseTile* tile, SkCanvas* canvas, unsigned int* pictureUsed)
206 XLOG("painting scheduled tile(%x : %d, %d, %.2f, %x) for %x",
207 tile, tile->x(), tile->y(), tile->scale(), tile->painter(), this);
208 return m_surface->paint(tile, canvas, pictureUsed);
211 void TiledTexture::paintExtra(SkCanvas* canvas)
213 m_surface->paintExtra(canvas);
216 const TransformationMatrix* TiledTexture::transform()
218 return m_surface->transform();
221 void TiledTexture::beginPaint()
224 m_surface->beginPaint();
227 void TiledTexture::endPaint()
230 m_surface->endPaint();
233 void TiledTexture::removeTiles()
235 for (unsigned int i = 0; i < m_tiles.size(); i++) {
240 bool TiledTexture::owns(BaseTileTexture* texture)
242 for (unsigned int i = 0; i < m_tiles.size(); i++) {
243 BaseTile* tile = m_tiles[i];
244 if (tile->texture() == texture)
250 } // namespace WebCore