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Side by Side Diff: src/gpu/GrAtlas.cpp

Issue 359953002: Revert of Begin atlasing (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 5 months ago
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1 1
2 /* 2 /*
3 * Copyright 2010 Google Inc. 3 * Copyright 2010 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #include "GrAtlas.h" 9 #include "GrAtlas.h"
10 #include "GrContext.h" 10 #include "GrContext.h"
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47 fDirtyRect.setEmpty(); 47 fDirtyRect.setEmpty();
48 fDirty = false; 48 fDirty = false;
49 fBatchUploads = batchUploads; 49 fBatchUploads = batchUploads;
50 } 50 }
51 51
52 static inline void adjust_for_offset(SkIPoint16* loc, const SkIPoint16& offset) { 52 static inline void adjust_for_offset(SkIPoint16* loc, const SkIPoint16& offset) {
53 loc->fX += offset.fX; 53 loc->fX += offset.fX;
54 loc->fY += offset.fY; 54 loc->fY += offset.fY;
55 } 55 }
56 56
57 bool GrPlot::addSubImage(int width, int height, const void* image, SkIPoint16* l oc) { 57 bool GrPlot::addSubImage(int width, int height, const void* image,
58 SkIPoint16* loc) {
58 float percentFull = fRects->percentFull(); 59 float percentFull = fRects->percentFull();
59 if (!fRects->addRect(width, height, loc)) { 60 if (!fRects->addRect(width, height, loc)) {
60 return false; 61 return false;
61 } 62 }
62 63
63 // if batching uploads, create backing memory on first use 64 // if batching uploads, create backing memory on first use
64 // once the plot is nearly full we will revert to uploading each subimage in dividually 65 // once the plot is nearly full we will revert to uploading each subimage in dividually
65 int plotWidth = fRects->width(); 66 int plotWidth = fRects->width();
66 int plotHeight = fRects->height(); 67 int plotHeight = fRects->height();
67 if (fBatchUploads && NULL == fPlotData && 0.0f == percentFull) { 68 if (fBatchUploads && NULL == fPlotData && 0.0f == percentFull) {
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80 for (int i = 0; i < height; ++i) { 81 for (int i = 0; i < height; ++i) {
81 memcpy(dataPtr, imagePtr, fBytesPerPixel*width); 82 memcpy(dataPtr, imagePtr, fBytesPerPixel*width);
82 dataPtr += fBytesPerPixel*plotWidth; 83 dataPtr += fBytesPerPixel*plotWidth;
83 imagePtr += fBytesPerPixel*width; 84 imagePtr += fBytesPerPixel*width;
84 } 85 }
85 86
86 fDirtyRect.join(loc->fX, loc->fY, loc->fX + width, loc->fY + height); 87 fDirtyRect.join(loc->fX, loc->fY, loc->fX + width, loc->fY + height);
87 adjust_for_offset(loc, fOffset); 88 adjust_for_offset(loc, fOffset);
88 fDirty = true; 89 fDirty = true;
89 // otherwise, just upload the image directly 90 // otherwise, just upload the image directly
90 } else if (NULL != image) { 91 } else {
91 adjust_for_offset(loc, fOffset); 92 adjust_for_offset(loc, fOffset);
92 GrContext* context = fTexture->getContext(); 93 GrContext* context = fTexture->getContext();
93 TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), "GrPlot::uploadToTex ture"); 94 TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), "GrPlot::uploadToTex ture");
94 context->writeTexturePixels(fTexture, 95 context->writeTexturePixels(fTexture,
95 loc->fX, loc->fY, width, height, 96 loc->fX, loc->fY, width, height,
96 fTexture->config(), image, 0, 97 fTexture->config(), image, 0,
97 GrContext::kDontFlush_PixelOpsFlag); 98 GrContext::kDontFlush_PixelOpsFlag);
98 } else {
99 adjust_for_offset(loc, fOffset);
100 } 99 }
101 100
102 #if FONT_CACHE_STATS 101 #if FONT_CACHE_STATS
103 ++g_UploadCount; 102 ++g_UploadCount;
104 #endif 103 #endif
105 104
106 return true; 105 return true;
107 } 106 }
108 107
109 void GrPlot::uploadToTexture() { 108 void GrPlot::uploadToTexture() {
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140 } 139 }
141 } 140 }
142 141
143 void GrPlot::resetRects() { 142 void GrPlot::resetRects() {
144 SkASSERT(NULL != fRects); 143 SkASSERT(NULL != fRects);
145 fRects->reset(); 144 fRects->reset();
146 } 145 }
147 146
148 /////////////////////////////////////////////////////////////////////////////// 147 ///////////////////////////////////////////////////////////////////////////////
149 148
150 GrAtlas::GrAtlas(GrGpu* gpu, GrPixelConfig config, GrTextureFlags flags, 149 GrAtlas::GrAtlas(GrGpu* gpu, GrPixelConfig config,
151 const SkISize& backingTextureSize, 150 const SkISize& backingTextureSize,
152 int numPlotsX, int numPlotsY, bool batchUploads) { 151 int numPlotsX, int numPlotsY, bool batchUploads) {
153 fGpu = SkRef(gpu); 152 fGpu = SkRef(gpu);
154 fPixelConfig = config; 153 fPixelConfig = config;
155 fFlags = flags;
156 fBackingTextureSize = backingTextureSize; 154 fBackingTextureSize = backingTextureSize;
157 fNumPlotsX = numPlotsX; 155 fNumPlotsX = numPlotsX;
158 fNumPlotsY = numPlotsY; 156 fNumPlotsY = numPlotsY;
159 fBatchUploads = batchUploads; 157 fBatchUploads = batchUploads;
160 fTexture = NULL; 158 fTexture = NULL;
161 159
162 int textureWidth = fBackingTextureSize.width(); 160 int textureWidth = fBackingTextureSize.width();
163 int textureHeight = fBackingTextureSize.height(); 161 int textureHeight = fBackingTextureSize.height();
164 162
165 int plotWidth = textureWidth / fNumPlotsX; 163 int plotWidth = textureWidth / fNumPlotsX;
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216 if (plot->addSubImage(width, height, image, loc)) { 214 if (plot->addSubImage(width, height, image, loc)) {
217 this->makeMRU(plot); 215 this->makeMRU(plot);
218 return plot; 216 return plot;
219 } 217 }
220 } 218 }
221 219
222 // before we get a new plot, make sure we have a backing texture 220 // before we get a new plot, make sure we have a backing texture
223 if (NULL == fTexture) { 221 if (NULL == fTexture) {
224 // TODO: Update this to use the cache rather than directly creating a te xture. 222 // TODO: Update this to use the cache rather than directly creating a te xture.
225 GrTextureDesc desc; 223 GrTextureDesc desc;
226 desc.fFlags = fFlags | kDynamicUpdate_GrTextureFlagBit; 224 desc.fFlags = kDynamicUpdate_GrTextureFlagBit;
227 desc.fWidth = fBackingTextureSize.width(); 225 desc.fWidth = fBackingTextureSize.width();
228 desc.fHeight = fBackingTextureSize.height(); 226 desc.fHeight = fBackingTextureSize.height();
229 desc.fConfig = fPixelConfig; 227 desc.fConfig = fPixelConfig;
230 228
231 fTexture = fGpu->createTexture(desc, NULL, 0); 229 fTexture = fGpu->createTexture(desc, NULL, 0);
232 if (NULL == fTexture) { 230 if (NULL == fTexture) {
233 return NULL; 231 return NULL;
234 } 232 }
235 } 233 }
236 234
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281 if (fBatchUploads) { 279 if (fBatchUploads) {
282 GrPlotList::Iter plotIter; 280 GrPlotList::Iter plotIter;
283 plotIter.init(fPlotList, GrPlotList::Iter::kHead_IterStart); 281 plotIter.init(fPlotList, GrPlotList::Iter::kHead_IterStart);
284 GrPlot* plot; 282 GrPlot* plot;
285 while (NULL != (plot = plotIter.get())) { 283 while (NULL != (plot = plotIter.get())) {
286 plot->uploadToTexture(); 284 plot->uploadToTexture();
287 plotIter.next(); 285 plotIter.next();
288 } 286 }
289 } 287 }
290 } 288 }
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