keyar@chromium.org | b3fb7c1 | 2012-08-20 21:02:49 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 8 | #include "PictureRenderer.h" |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 9 | #include "picture_utils.h" |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 10 | #include "SamplePipeControllers.h" |
| 11 | #include "SkCanvas.h" |
| 12 | #include "SkDevice.h" |
| 13 | #include "SkGPipe.h" |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 14 | #if SK_SUPPORT_GPU |
| 15 | #include "SkGpuDevice.h" |
| 16 | #endif |
| 17 | #include "SkGraphics.h" |
| 18 | #include "SkImageEncoder.h" |
keyar@chromium.org | ea82695 | 2012-08-23 15:24:13 +0000 | [diff] [blame] | 19 | #include "SkMatrix.h" |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 20 | #include "SkPicture.h" |
keyar@chromium.org | ea82695 | 2012-08-23 15:24:13 +0000 | [diff] [blame] | 21 | #include "SkScalar.h" |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 22 | #include "SkString.h" |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 23 | #include "SkTemplates.h" |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 24 | #include "SkTDArray.h" |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 25 | #include "SkThreadUtils.h" |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 26 | #include "SkTypes.h" |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 27 | |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 28 | namespace sk_tools { |
| 29 | |
| 30 | enum { |
| 31 | kDefaultTileWidth = 256, |
| 32 | kDefaultTileHeight = 256 |
| 33 | }; |
| 34 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 35 | void PictureRenderer::init(SkPicture* pict) { |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 36 | SkASSERT(NULL == fPicture); |
| 37 | SkASSERT(NULL == fCanvas.get()); |
| 38 | if (fPicture != NULL || NULL != fCanvas.get()) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 39 | return; |
| 40 | } |
| 41 | |
| 42 | SkASSERT(pict != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 43 | if (NULL == pict) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 44 | return; |
| 45 | } |
| 46 | |
| 47 | fPicture = pict; |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 48 | fCanvas.reset(this->setupCanvas()); |
| 49 | } |
| 50 | |
| 51 | SkCanvas* PictureRenderer::setupCanvas() { |
| 52 | return this->setupCanvas(fPicture->width(), fPicture->height()); |
| 53 | } |
| 54 | |
| 55 | SkCanvas* PictureRenderer::setupCanvas(int width, int height) { |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 56 | switch(fDeviceType) { |
| 57 | case kBitmap_DeviceType: { |
| 58 | SkBitmap bitmap; |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 59 | sk_tools::setup_bitmap(&bitmap, width, height); |
| 60 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 61 | break; |
| 62 | } |
| 63 | #if SK_SUPPORT_GPU |
| 64 | case kGPU_DeviceType: { |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 65 | SkAutoTUnref<SkGpuDevice> device(SkNEW_ARGS(SkGpuDevice, |
keyar@chromium.org | 0612564 | 2012-08-20 15:03:33 +0000 | [diff] [blame] | 66 | (fGrContext, SkBitmap::kARGB_8888_Config, |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 67 | width, height))); |
| 68 | return SkNEW_ARGS(SkCanvas, (device.get())); |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 69 | break; |
| 70 | } |
| 71 | #endif |
| 72 | default: |
| 73 | SkASSERT(0); |
| 74 | } |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 75 | |
| 76 | return NULL; |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | void PictureRenderer::end() { |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 80 | this->resetState(); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 81 | fPicture = NULL; |
| 82 | fCanvas.reset(NULL); |
| 83 | } |
| 84 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 85 | void PictureRenderer::resetState() { |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 86 | #if SK_SUPPORT_GPU |
| 87 | if (this->isUsingGpuDevice()) { |
| 88 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 89 | GrContextFactory::kNative_GLContextType); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 90 | |
| 91 | SkASSERT(glContext != NULL); |
| 92 | if (NULL == glContext) { |
| 93 | return; |
| 94 | } |
| 95 | |
scroggo@google.com | 9a41252 | 2012-09-07 15:21:18 +0000 | [diff] [blame] | 96 | fGrContext->flush(); |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 97 | SK_GL(*glContext, Finish()); |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 98 | } |
keyar@chromium.org | a40c20d | 2012-08-20 15:04:12 +0000 | [diff] [blame] | 99 | #endif |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 100 | } |
| 101 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 102 | bool PictureRenderer::write(SkCanvas* canvas, SkString path) const { |
| 103 | SkASSERT(canvas != NULL); |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 104 | SkASSERT(fPicture != NULL); |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 105 | if (NULL == canvas || NULL == fPicture) { |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 106 | return false; |
| 107 | } |
| 108 | |
| 109 | SkBitmap bitmap; |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 110 | SkISize size = canvas->getDeviceSize(); |
| 111 | sk_tools::setup_bitmap(&bitmap, size.width(), size.height()); |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 112 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 113 | canvas->readPixels(&bitmap, 0, 0); |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 114 | sk_tools::force_all_opaque(bitmap); |
| 115 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 116 | // Since path is passed in by value, it is okay to modify it. |
| 117 | path.append(".png"); |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 118 | return SkImageEncoder::EncodeFile(path.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100); |
| 119 | } |
| 120 | |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 121 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 122 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 123 | bool RecordPictureRenderer::render(const SkString*) { |
scroggo@google.com | 9a41252 | 2012-09-07 15:21:18 +0000 | [diff] [blame] | 124 | SkPicture replayer; |
| 125 | SkCanvas* recorder = replayer.beginRecording(fPicture->width(), fPicture->height()); |
| 126 | fPicture->draw(recorder); |
| 127 | replayer.endRecording(); |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 128 | // Since this class does not actually render, return false. |
| 129 | return false; |
scroggo@google.com | 9a41252 | 2012-09-07 15:21:18 +0000 | [diff] [blame] | 130 | } |
| 131 | |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 132 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 133 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 134 | bool PipePictureRenderer::render(const SkString* path) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 135 | SkASSERT(fCanvas.get() != NULL); |
| 136 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 137 | if (NULL == fCanvas.get() || NULL == fPicture) { |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 138 | return false; |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | PipeController pipeController(fCanvas.get()); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 142 | SkGPipeWriter writer; |
| 143 | SkCanvas* pipeCanvas = writer.startRecording(&pipeController); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 144 | pipeCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 145 | writer.endRecording(); |
scroggo@google.com | 9a41252 | 2012-09-07 15:21:18 +0000 | [diff] [blame] | 146 | fCanvas->flush(); |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 147 | return path != NULL && this->write(fCanvas, *path); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 148 | } |
| 149 | |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 150 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 151 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 152 | bool SimplePictureRenderer::render(const SkString* path) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 153 | SkASSERT(fCanvas.get() != NULL); |
| 154 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 155 | if (NULL == fCanvas.get() || NULL == fPicture) { |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 156 | return false; |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | fCanvas->drawPicture(*fPicture); |
scroggo@google.com | 9a41252 | 2012-09-07 15:21:18 +0000 | [diff] [blame] | 160 | fCanvas->flush(); |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 161 | return path != NULL && this->write(fCanvas, *path); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 162 | } |
| 163 | |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 164 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 165 | |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 166 | TiledPictureRenderer::TiledPictureRenderer() |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 167 | : fUsePipe(false) |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 168 | , fTileWidth(kDefaultTileWidth) |
rileya@google.com | b947b91 | 2012-08-29 17:35:07 +0000 | [diff] [blame] | 169 | , fTileHeight(kDefaultTileHeight) |
rileya@google.com | a04dc02 | 2012-09-10 19:01:38 +0000 | [diff] [blame] | 170 | , fTileWidthPercentage(0.0) |
rileya@google.com | b947b91 | 2012-08-29 17:35:07 +0000 | [diff] [blame] | 171 | , fTileHeightPercentage(0.0) |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 172 | , fTileMinPowerOf2Width(0) |
| 173 | , fTileCounter(0) |
| 174 | , fNumThreads(1) |
| 175 | , fPictureClones(NULL) |
| 176 | , fPipeController(NULL) { } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 177 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 178 | void TiledPictureRenderer::init(SkPicture* pict) { |
| 179 | SkASSERT(pict != NULL); |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 180 | SkASSERT(0 == fTileRects.count()); |
| 181 | if (NULL == pict || fTileRects.count() != 0) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 182 | return; |
| 183 | } |
| 184 | |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 185 | // Do not call INHERITED::init(), which would create a (potentially large) canvas which is not |
| 186 | // used by bench_pictures. |
| 187 | fPicture = pict; |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 188 | |
| 189 | if (fTileWidthPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 190 | fTileWidth = sk_float_ceil2int(float(fTileWidthPercentage * fPicture->width() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 191 | } |
| 192 | if (fTileHeightPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 193 | fTileHeight = sk_float_ceil2int(float(fTileHeightPercentage * fPicture->height() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 194 | } |
| 195 | |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 196 | if (fTileMinPowerOf2Width > 0) { |
| 197 | this->setupPowerOf2Tiles(); |
| 198 | } else { |
| 199 | this->setupTiles(); |
| 200 | } |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 201 | |
| 202 | if (this->multiThreaded()) { |
| 203 | for (int i = 0; i < fNumThreads; ++i) { |
| 204 | *fCanvasPool.append() = this->setupCanvas(fTileWidth, fTileHeight); |
| 205 | } |
| 206 | if (!fUsePipe) { |
| 207 | SkASSERT(NULL == fPictureClones); |
| 208 | // Only need to create fNumThreads - 1 clones, since one thread will use the base |
| 209 | // picture. |
| 210 | int numberOfClones = fNumThreads - 1; |
| 211 | // This will be deleted in end(). |
| 212 | fPictureClones = SkNEW_ARRAY(SkPicture, numberOfClones); |
| 213 | fPictureClones->clone(fPictureClones, numberOfClones); |
| 214 | } |
| 215 | } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 216 | } |
| 217 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 218 | void TiledPictureRenderer::end() { |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 219 | fTileRects.reset(); |
| 220 | SkDELETE_ARRAY(fPictureClones); |
| 221 | fPictureClones = NULL; |
| 222 | fCanvasPool.unrefAll(); |
| 223 | if (fPipeController != NULL) { |
| 224 | SkASSERT(fUsePipe); |
| 225 | SkDELETE(fPipeController); |
| 226 | fPipeController = NULL; |
| 227 | } |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 228 | this->INHERITED::end(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | TiledPictureRenderer::~TiledPictureRenderer() { |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 232 | // end() must be called to delete fPictureClones and fPipeController |
| 233 | SkASSERT(NULL == fPictureClones); |
| 234 | SkASSERT(NULL == fPipeController); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 235 | } |
| 236 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 237 | void TiledPictureRenderer::setupTiles() { |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 238 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); tile_y_start += fTileHeight) { |
| 239 | for (int tile_x_start = 0; tile_x_start < fPicture->width(); tile_x_start += fTileWidth) { |
| 240 | *fTileRects.append() = SkRect::MakeXYWH(SkIntToScalar(tile_x_start), |
| 241 | SkIntToScalar(tile_y_start), |
| 242 | SkIntToScalar(fTileWidth), |
| 243 | SkIntToScalar(fTileHeight)); |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 244 | } |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | // The goal of the powers of two tiles is to minimize the amount of wasted tile |
| 249 | // space in the width-wise direction and then minimize the number of tiles. The |
| 250 | // constraints are that every tile must have a pixel width that is a power of |
| 251 | // two and also be of some minimal width (that is also a power of two). |
| 252 | // |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 253 | // This is solved by first taking our picture size and rounding it up to the |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 254 | // multiple of the minimal width. The binary representation of this rounded |
| 255 | // value gives us the tiles we need: a bit of value one means we need a tile of |
| 256 | // that size. |
| 257 | void TiledPictureRenderer::setupPowerOf2Tiles() { |
| 258 | int rounded_value = fPicture->width(); |
| 259 | if (fPicture->width() % fTileMinPowerOf2Width != 0) { |
| 260 | rounded_value = fPicture->width() - (fPicture->width() % fTileMinPowerOf2Width) |
| 261 | + fTileMinPowerOf2Width; |
| 262 | } |
| 263 | |
robertphillips@google.com | 94acc70 | 2012-09-06 18:43:21 +0000 | [diff] [blame] | 264 | int num_bits = SkScalarCeilToInt(SkScalarLog2(SkIntToScalar(fPicture->width()))); |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 265 | int largest_possible_tile_size = 1 << num_bits; |
| 266 | |
| 267 | // The tile height is constant for a particular picture. |
| 268 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); tile_y_start += fTileHeight) { |
| 269 | int tile_x_start = 0; |
| 270 | int current_width = largest_possible_tile_size; |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 271 | // Set fTileWidth to be the width of the widest tile, so that each canvas is large enough |
| 272 | // to draw each tile. |
| 273 | fTileWidth = current_width; |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 274 | |
| 275 | while (current_width >= fTileMinPowerOf2Width) { |
| 276 | // It is very important this is a bitwise AND. |
| 277 | if (current_width & rounded_value) { |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 278 | *fTileRects.append() = SkRect::MakeXYWH(SkIntToScalar(tile_x_start), |
| 279 | SkIntToScalar(tile_y_start), |
| 280 | SkIntToScalar(current_width), |
| 281 | SkIntToScalar(fTileHeight)); |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 282 | tile_x_start += current_width; |
| 283 | } |
| 284 | |
| 285 | current_width >>= 1; |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 286 | } |
| 287 | } |
| 288 | } |
| 289 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 290 | /** |
| 291 | * Draw the specified playback to the canvas translated to rectangle provided, so that this mini |
| 292 | * canvas represents the rectangle's portion of the overall picture. |
| 293 | * Saves and restores so that the initial clip and matrix return to their state before this function |
| 294 | * is called. |
| 295 | */ |
| 296 | template<class T> |
| 297 | static void DrawTileToCanvas(SkCanvas* canvas, const SkRect& tileRect, T* playback) { |
| 298 | int saveCount = canvas->save(); |
| 299 | // Translate so that we draw the correct portion of the picture |
| 300 | canvas->translate(-tileRect.fLeft, -tileRect.fTop); |
| 301 | playback->draw(canvas); |
| 302 | canvas->restoreToCount(saveCount); |
| 303 | canvas->flush(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 304 | } |
| 305 | |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 306 | /////////////////////////////////////////////////////////////////////////////////////////////// |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 307 | // Base class for data used both by pipe and clone picture multi threaded drawing. |
| 308 | |
| 309 | struct ThreadData { |
| 310 | ThreadData(SkCanvas* target, int* tileCounter, SkTDArray<SkRect>* tileRects) |
| 311 | : fCanvas(target) |
| 312 | , fTileCounter(tileCounter) |
| 313 | , fTileRects(tileRects) { |
| 314 | SkASSERT(target != NULL && tileCounter != NULL && tileRects != NULL); |
| 315 | } |
| 316 | |
| 317 | const SkRect* nextTile() { |
| 318 | if (int32_t i = sk_atomic_inc(fTileCounter) < fTileRects->count()) { |
| 319 | return &fTileRects->operator[](i); |
| 320 | } |
| 321 | return NULL; |
| 322 | } |
| 323 | |
| 324 | // All of these are pointers to objects owned elsewhere |
| 325 | SkCanvas* fCanvas; |
| 326 | private: |
| 327 | // Shared by all threads, this states which is the next tile to be drawn. |
| 328 | int32_t* fTileCounter; |
| 329 | // Points to the array of rectangles. The array is already created before any threads are |
| 330 | // started and then it is unmodified, so there is no danger of race conditions. |
| 331 | const SkTDArray<SkRect>* fTileRects; |
| 332 | }; |
| 333 | |
| 334 | /////////////////////////////////////////////////////////////////////////////////////////////// |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 335 | // Draw using Pipe |
| 336 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 337 | struct TileData : public ThreadData { |
| 338 | TileData(ThreadSafePipeController* controller, SkCanvas* canvas, int* tileCounter, |
| 339 | SkTDArray<SkRect>* tileRects) |
| 340 | : INHERITED(canvas, tileCounter, tileRects) |
| 341 | , fController(controller) {} |
| 342 | |
scroggo@google.com | 8e073ba | 2012-08-31 16:25:46 +0000 | [diff] [blame] | 343 | ThreadSafePipeController* fController; |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 344 | |
| 345 | typedef ThreadData INHERITED; |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 346 | }; |
| 347 | |
| 348 | static void DrawTile(void* data) { |
| 349 | SkGraphics::SetTLSFontCacheLimit(1 * 1024 * 1024); |
| 350 | TileData* tileData = static_cast<TileData*>(data); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 351 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 352 | const SkRect* tileRect; |
| 353 | while ((tileRect = tileData->nextTile()) != NULL) { |
| 354 | DrawTileToCanvas(tileData->fCanvas, *tileRect, tileData->fController); |
| 355 | } |
| 356 | SkDELETE(tileData); |
| 357 | } |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 358 | |
| 359 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 360 | // Draw using Picture |
| 361 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 362 | struct CloneData : public ThreadData { |
| 363 | CloneData(SkPicture* clone, SkCanvas* target, int* tileCounter, SkTDArray<SkRect>* tileRects) |
| 364 | : INHERITED(target, tileCounter, tileRects) |
| 365 | , fClone(clone) {} |
| 366 | |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 367 | SkPicture* fClone; |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 368 | |
| 369 | typedef ThreadData INHERITED; |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 370 | }; |
| 371 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 372 | static void DrawClonedTiles(void* data) { |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 373 | SkGraphics::SetTLSFontCacheLimit(1 * 1024 * 1024); |
| 374 | CloneData* cloneData = static_cast<CloneData*>(data); |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 375 | |
| 376 | const SkRect* tileRect; |
| 377 | while ((tileRect = cloneData->nextTile()) != NULL) { |
| 378 | DrawTileToCanvas(cloneData->fCanvas, *tileRect, cloneData->fClone); |
| 379 | } |
| 380 | SkDELETE(cloneData); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 381 | } |
| 382 | |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 383 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 384 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 385 | void TiledPictureRenderer::setup() { |
| 386 | if (this->multiThreaded()) { |
| 387 | // Reset to zero so we start with the first tile. |
| 388 | fTileCounter = 0; |
| 389 | if (fUsePipe) { |
| 390 | // Record the picture into the pipe controller. It is done here because unlike |
| 391 | // SkPicture, the pipe is modified (bitmaps can be removed) by drawing. |
| 392 | // fPipeController is deleted here after each call to render() except the last one and |
| 393 | // in end() for the last one. |
| 394 | if (fPipeController != NULL) { |
| 395 | SkDELETE(fPipeController); |
| 396 | } |
| 397 | fPipeController = SkNEW_ARGS(ThreadSafePipeController, (fTileRects.count())); |
| 398 | SkGPipeWriter writer; |
| 399 | SkCanvas* pipeCanvas = writer.startRecording(fPipeController, |
| 400 | SkGPipeWriter::kSimultaneousReaders_Flag); |
| 401 | SkASSERT(fPicture != NULL); |
| 402 | fPicture->draw(pipeCanvas); |
| 403 | writer.endRecording(); |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 408 | bool TiledPictureRenderer::render(const SkString* path) { |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 409 | SkASSERT(fPicture != NULL); |
| 410 | if (NULL == fPicture) { |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 411 | return false; |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 412 | } |
| 413 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 414 | if (this->multiThreaded()) { |
| 415 | SkASSERT(fCanvasPool.count() == fNumThreads); |
| 416 | SkTDArray<SkThread*> threads; |
| 417 | SkThread::entryPointProc proc = fUsePipe ? DrawTile : DrawClonedTiles; |
| 418 | for (int i = 0; i < fNumThreads; ++i) { |
| 419 | // data will be deleted by the entryPointProc. |
| 420 | ThreadData* data; |
| 421 | if (fUsePipe) { |
| 422 | data = SkNEW_ARGS(TileData, |
| 423 | (fPipeController, fCanvasPool[i], &fTileCounter, &fTileRects)); |
| 424 | } else { |
| 425 | SkPicture* pic = (0 == i) ? fPicture : &fPictureClones[i-1]; |
| 426 | data = SkNEW_ARGS(CloneData, (pic, fCanvasPool[i], &fTileCounter, &fTileRects)); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 427 | } |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 428 | SkThread* thread = SkNEW_ARGS(SkThread, (proc, data)); |
| 429 | if (!thread->start()) { |
| 430 | SkDebugf("Could not start %s thread %i.\n", (fUsePipe ? "pipe" : "picture"), i); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 431 | } |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 432 | *threads.append() = thread; |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 433 | } |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 434 | SkASSERT(threads.count() == fNumThreads); |
| 435 | for (int i = 0; i < fNumThreads; ++i) { |
| 436 | SkThread* thread = threads[i]; |
| 437 | thread->join(); |
| 438 | SkDELETE(thread); |
| 439 | } |
| 440 | threads.reset(); |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 441 | // Currently multithreaded is not an option for render_pictures |
| 442 | return false; |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 443 | } else { |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 444 | // For single thread, we really only need one canvas total. |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 445 | SkCanvas* canvas = this->setupCanvas(fTileWidth, fTileHeight); |
| 446 | SkAutoUnref aur(canvas); |
| 447 | |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 448 | for (int i = 0; i < fTileRects.count(); ++i) { |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 449 | DrawTileToCanvas(canvas, fTileRects[i], fPicture); |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 450 | if (path != NULL) { |
| 451 | SkString tilePath(*path); |
| 452 | tilePath.appendf("%i", i); |
| 453 | if (!this->write(canvas, tilePath)) { |
| 454 | return false; |
| 455 | } |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 456 | } |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 457 | } |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 458 | return path != NULL; |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 459 | } |
| 460 | } |
| 461 | |
scroggo@google.com | bcdf2ec | 2012-09-20 14:42:33 +0000 | [diff] [blame] | 462 | SkCanvas* TiledPictureRenderer::setupCanvas(int width, int height) { |
| 463 | SkCanvas* canvas = this->INHERITED::setupCanvas(width, height); |
| 464 | SkASSERT(fPicture != NULL); |
| 465 | // Clip the tile to an area that is completely in what the SkPicture says is the |
| 466 | // drawn-to area. This is mostly important for tiles on the right and bottom edges |
| 467 | // as they may go over this area and the picture may have some commands that |
| 468 | // draw outside of this area and so should not actually be written. |
| 469 | SkRect clip = SkRect::MakeWH(SkIntToScalar(fPicture->width()), |
| 470 | SkIntToScalar(fPicture->height())); |
| 471 | canvas->clipRect(clip); |
| 472 | return canvas; |
| 473 | } |
| 474 | |
scroggo@google.com | acfb30e | 2012-09-18 14:32:35 +0000 | [diff] [blame] | 475 | /////////////////////////////////////////////////////////////////////////////////////////////// |
scroggo@google.com | 9a41252 | 2012-09-07 15:21:18 +0000 | [diff] [blame] | 476 | |
| 477 | void PlaybackCreationRenderer::setup() { |
| 478 | SkCanvas* recorder = fReplayer.beginRecording(fPicture->width(), fPicture->height()); |
| 479 | fPicture->draw(recorder); |
| 480 | } |
| 481 | |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 482 | bool PlaybackCreationRenderer::render(const SkString*) { |
scroggo@google.com | 9a41252 | 2012-09-07 15:21:18 +0000 | [diff] [blame] | 483 | fReplayer.endRecording(); |
scroggo@google.com | 81f9d2e | 2012-09-20 14:54:21 +0000 | [diff] [blame^] | 484 | // Since this class does not actually render, return false. |
| 485 | return false; |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | } |