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); |
| 90 | SK_GL(*glContext, Finish()); |
| 91 | } |
| 92 | #endif |
| 93 | } |
| 94 | |
| 95 | void PictureRenderer::finishDraw() { |
keyar@chromium.org | bffacc0 | 2012-08-20 15:04:07 +0000 | [diff] [blame] | 96 | SkASSERT(fCanvas.get() != NULL); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 97 | if (NULL == fCanvas.get()) { |
keyar@chromium.org | bffacc0 | 2012-08-20 15:04:07 +0000 | [diff] [blame] | 98 | return; |
| 99 | } |
| 100 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 101 | fCanvas->flush(); |
| 102 | |
keyar@chromium.org | a40c20d | 2012-08-20 15:04:12 +0000 | [diff] [blame] | 103 | #if SK_SUPPORT_GPU |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 104 | if (this->isUsingGpuDevice()) { |
| 105 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 106 | GrContextFactory::kNative_GLContextType); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 107 | |
| 108 | SkASSERT(glContext != NULL); |
| 109 | if (NULL == glContext) { |
| 110 | return; |
| 111 | } |
| 112 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 113 | SK_GL(*glContext, Finish()); |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 114 | } |
keyar@chromium.org | a40c20d | 2012-08-20 15:04:12 +0000 | [diff] [blame] | 115 | #endif |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 116 | } |
| 117 | |
keyar@chromium.org | 9299ede | 2012-08-21 19:05:08 +0000 | [diff] [blame] | 118 | bool PictureRenderer::write(const SkString& path) const { |
| 119 | SkASSERT(fCanvas.get() != NULL); |
| 120 | SkASSERT(fPicture != NULL); |
| 121 | if (NULL == fCanvas.get() || NULL == fPicture) { |
| 122 | return false; |
| 123 | } |
| 124 | |
| 125 | SkBitmap bitmap; |
| 126 | sk_tools::setup_bitmap(&bitmap, fPicture->width(), fPicture->height()); |
| 127 | |
| 128 | fCanvas->readPixels(&bitmap, 0, 0); |
| 129 | sk_tools::force_all_opaque(bitmap); |
| 130 | |
| 131 | return SkImageEncoder::EncodeFile(path.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100); |
| 132 | } |
| 133 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 134 | void PipePictureRenderer::render() { |
| 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) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 138 | return; |
| 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(); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 146 | this->finishDraw(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 147 | } |
| 148 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 149 | void SimplePictureRenderer::render() { |
| 150 | SkASSERT(fCanvas.get() != NULL); |
| 151 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 152 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 153 | return; |
| 154 | } |
| 155 | |
| 156 | fCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 157 | this->finishDraw(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | TiledPictureRenderer::TiledPictureRenderer() |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 161 | : fMultiThreaded(false) |
| 162 | , fUsePipe(false) |
| 163 | , fTileWidth(kDefaultTileWidth) |
rileya@google.com | b947b91 | 2012-08-29 17:35:07 +0000 | [diff] [blame] | 164 | , fTileHeight(kDefaultTileHeight) |
| 165 | , fTileMinPowerOf2Width(0) |
| 166 | , fTileHeightPercentage(0.0) |
| 167 | , fTileWidthPercentage(0.0) {} |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 168 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 169 | void TiledPictureRenderer::init(SkPicture* pict) { |
| 170 | SkASSERT(pict != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 171 | SkASSERT(0 == fTiles.count()); |
| 172 | if (NULL == pict || fTiles.count() != 0) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 173 | return; |
| 174 | } |
| 175 | |
| 176 | this->INHERITED::init(pict); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 177 | |
| 178 | if (fTileWidthPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 179 | fTileWidth = sk_float_ceil2int(float(fTileWidthPercentage * fPicture->width() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 180 | } |
| 181 | if (fTileHeightPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 182 | fTileHeight = sk_float_ceil2int(float(fTileHeightPercentage * fPicture->height() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 183 | } |
| 184 | |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 185 | if (fTileMinPowerOf2Width > 0) { |
| 186 | this->setupPowerOf2Tiles(); |
| 187 | } else { |
| 188 | this->setupTiles(); |
| 189 | } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 190 | } |
| 191 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 192 | void TiledPictureRenderer::render() { |
| 193 | SkASSERT(fCanvas.get() != NULL); |
| 194 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 195 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 196 | return; |
| 197 | } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 198 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 199 | this->drawTiles(); |
| 200 | this->copyTilesToCanvas(); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 201 | this->finishDraw(); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | void TiledPictureRenderer::end() { |
| 205 | this->deleteTiles(); |
| 206 | this->INHERITED::end(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | TiledPictureRenderer::~TiledPictureRenderer() { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 210 | this->deleteTiles(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 211 | } |
| 212 | |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 213 | void TiledPictureRenderer::clipTile(SkCanvas* tile) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 214 | SkRect clip = SkRect::MakeWH(SkIntToScalar(fPicture->width()), |
| 215 | SkIntToScalar(fPicture->height())); |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 216 | tile->clipRect(clip); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 217 | } |
| 218 | |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 219 | void TiledPictureRenderer::addTile(int tile_x_start, int tile_y_start, int width, int height) { |
| 220 | SkCanvas* tile = this->setupCanvas(width, height); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 221 | |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 222 | tile->translate(SkIntToScalar(-tile_x_start), SkIntToScalar(-tile_y_start)); |
| 223 | this->clipTile(tile); |
| 224 | |
| 225 | fTiles.push(tile); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 226 | } |
| 227 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 228 | void TiledPictureRenderer::setupTiles() { |
| 229 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 230 | tile_y_start += fTileHeight) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 231 | for (int tile_x_start = 0; tile_x_start < fPicture->width(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 232 | tile_x_start += fTileWidth) { |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 233 | this->addTile(tile_x_start, tile_y_start, fTileWidth, fTileHeight); |
| 234 | } |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | // The goal of the powers of two tiles is to minimize the amount of wasted tile |
| 239 | // space in the width-wise direction and then minimize the number of tiles. The |
| 240 | // constraints are that every tile must have a pixel width that is a power of |
| 241 | // two and also be of some minimal width (that is also a power of two). |
| 242 | // |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 243 | // 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] | 244 | // multiple of the minimal width. The binary representation of this rounded |
| 245 | // value gives us the tiles we need: a bit of value one means we need a tile of |
| 246 | // that size. |
| 247 | void TiledPictureRenderer::setupPowerOf2Tiles() { |
| 248 | int rounded_value = fPicture->width(); |
| 249 | if (fPicture->width() % fTileMinPowerOf2Width != 0) { |
| 250 | rounded_value = fPicture->width() - (fPicture->width() % fTileMinPowerOf2Width) |
| 251 | + fTileMinPowerOf2Width; |
| 252 | } |
| 253 | |
robertphillips@google.com | 94acc70 | 2012-09-06 18:43:21 +0000 | [diff] [blame] | 254 | int num_bits = SkScalarCeilToInt(SkScalarLog2(SkIntToScalar(fPicture->width()))); |
keyar@chromium.org | f4959ab | 2012-08-23 20:53:25 +0000 | [diff] [blame] | 255 | int largest_possible_tile_size = 1 << num_bits; |
| 256 | |
| 257 | // The tile height is constant for a particular picture. |
| 258 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); tile_y_start += fTileHeight) { |
| 259 | int tile_x_start = 0; |
| 260 | int current_width = largest_possible_tile_size; |
| 261 | |
| 262 | while (current_width >= fTileMinPowerOf2Width) { |
| 263 | // It is very important this is a bitwise AND. |
| 264 | if (current_width & rounded_value) { |
| 265 | this->addTile(tile_x_start, tile_y_start, current_width, fTileHeight); |
| 266 | tile_x_start += current_width; |
| 267 | } |
| 268 | |
| 269 | current_width >>= 1; |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 270 | } |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | void TiledPictureRenderer::deleteTiles() { |
| 275 | for (int i = 0; i < fTiles.count(); ++i) { |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 276 | SkDELETE(fTiles[i]); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | fTiles.reset(); |
| 280 | } |
| 281 | |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 282 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 283 | // Draw using Pipe |
| 284 | |
| 285 | struct TileData { |
scroggo@google.com | 8e073ba | 2012-08-31 16:25:46 +0000 | [diff] [blame] | 286 | TileData(SkCanvas* canvas, ThreadSafePipeController* controller); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 287 | SkCanvas* fCanvas; |
scroggo@google.com | 8e073ba | 2012-08-31 16:25:46 +0000 | [diff] [blame] | 288 | ThreadSafePipeController* fController; |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 289 | SkThread fThread; |
| 290 | }; |
| 291 | |
| 292 | static void DrawTile(void* data) { |
| 293 | SkGraphics::SetTLSFontCacheLimit(1 * 1024 * 1024); |
| 294 | TileData* tileData = static_cast<TileData*>(data); |
| 295 | tileData->fController->playback(tileData->fCanvas); |
| 296 | } |
| 297 | |
scroggo@google.com | 8e073ba | 2012-08-31 16:25:46 +0000 | [diff] [blame] | 298 | TileData::TileData(SkCanvas* canvas, ThreadSafePipeController* controller) |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 299 | : fCanvas(canvas) |
| 300 | , fController(controller) |
| 301 | , fThread(&DrawTile, static_cast<void*>(this)) {} |
| 302 | |
| 303 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 304 | // Draw using Picture |
| 305 | |
| 306 | struct CloneData { |
| 307 | CloneData(SkCanvas* target, SkPicture* original); |
| 308 | SkCanvas* fCanvas; |
| 309 | SkPicture* fClone; |
| 310 | SkThread fThread; |
| 311 | }; |
| 312 | |
| 313 | static void DrawClonedTile(void* data) { |
| 314 | SkGraphics::SetTLSFontCacheLimit(1 * 1024 * 1024); |
| 315 | CloneData* cloneData = static_cast<CloneData*>(data); |
| 316 | cloneData->fCanvas->drawPicture(*cloneData->fClone); |
| 317 | } |
| 318 | |
| 319 | CloneData::CloneData(SkCanvas* target, SkPicture* clone) |
| 320 | : fCanvas(target) |
| 321 | , fClone(clone) |
| 322 | , fThread(&DrawClonedTile, static_cast<void*>(this)) {} |
| 323 | |
| 324 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 325 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 326 | void TiledPictureRenderer::drawTiles() { |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 327 | if (fMultiThreaded) { |
| 328 | if (fUsePipe) { |
| 329 | // First, draw into a pipe controller |
| 330 | SkGPipeWriter writer; |
scroggo@google.com | 8e073ba | 2012-08-31 16:25:46 +0000 | [diff] [blame] | 331 | ThreadSafePipeController controller(fTiles.count()); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 332 | SkCanvas* pipeCanvas = writer.startRecording(&controller, |
| 333 | SkGPipeWriter::kSimultaneousReaders_Flag); |
| 334 | pipeCanvas->drawPicture(*(fPicture)); |
| 335 | writer.endRecording(); |
| 336 | |
| 337 | // Create and start the threads. |
scroggo@google.com | 6bc8cf8 | 2012-08-31 18:34:09 +0000 | [diff] [blame] | 338 | TileData** tileData = SkNEW_ARRAY(TileData*, fTiles.count()); |
| 339 | SkAutoTDeleteArray<TileData*> deleteTileData(tileData); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 340 | for (int i = 0; i < fTiles.count(); i++) { |
| 341 | tileData[i] = SkNEW_ARGS(TileData, (fTiles[i], &controller)); |
| 342 | if (!tileData[i]->fThread.start()) { |
| 343 | SkDebugf("could not start thread %i\n", i); |
| 344 | } |
| 345 | } |
| 346 | for (int i = 0; i < fTiles.count(); i++) { |
| 347 | tileData[i]->fThread.join(); |
| 348 | SkDELETE(tileData[i]); |
| 349 | } |
| 350 | } else { |
| 351 | SkPicture* clones = SkNEW_ARRAY(SkPicture, fTiles.count()); |
| 352 | SkAutoTDeleteArray<SkPicture> autodelete(clones); |
| 353 | fPicture->clone(clones, fTiles.count()); |
scroggo@google.com | 6bc8cf8 | 2012-08-31 18:34:09 +0000 | [diff] [blame] | 354 | CloneData** cloneData = SkNEW_ARRAY(CloneData*, fTiles.count()); |
| 355 | SkAutoTDeleteArray<CloneData*> deleteCloneData(cloneData); |
scroggo@google.com | 58b4ead | 2012-08-31 16:15:22 +0000 | [diff] [blame] | 356 | for (int i = 0; i < fTiles.count(); i++) { |
| 357 | cloneData[i] = SkNEW_ARGS(CloneData, (fTiles[i], &clones[i])); |
| 358 | if (!cloneData[i]->fThread.start()) { |
| 359 | SkDebugf("Could not start picture thread %i\n", i); |
| 360 | } |
| 361 | } |
| 362 | for (int i = 0; i < fTiles.count(); i++) { |
| 363 | cloneData[i]->fThread.join(); |
| 364 | SkDELETE(cloneData[i]); |
| 365 | } |
| 366 | } |
| 367 | } else { |
| 368 | for (int i = 0; i < fTiles.count(); ++i) { |
| 369 | fTiles[i]->drawPicture(*(fPicture)); |
| 370 | } |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 371 | } |
| 372 | } |
| 373 | |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 374 | void TiledPictureRenderer::finishDraw() { |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 375 | for (int i = 0; i < fTiles.count(); ++i) { |
keyar@chromium.org | da652c2 | 2012-08-20 22:04:07 +0000 | [diff] [blame] | 376 | fTiles[i]->flush(); |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 377 | } |
| 378 | |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 379 | #if SK_SUPPORT_GPU |
| 380 | if (this->isUsingGpuDevice()) { |
| 381 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 382 | GrContextFactory::kNative_GLContextType); |
| 383 | |
| 384 | SkASSERT(glContext != NULL); |
| 385 | if (NULL == glContext) { |
| 386 | return; |
| 387 | } |
| 388 | |
| 389 | SK_GL(*glContext, Finish()); |
| 390 | } |
| 391 | #endif |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 392 | } |
| 393 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 394 | void TiledPictureRenderer::copyTilesToCanvas() { |
keyar@chromium.org | ea82695 | 2012-08-23 15:24:13 +0000 | [diff] [blame] | 395 | for (int i = 0; i < fTiles.count(); ++i) { |
| 396 | // Since SkPicture performs a save and restore when being drawn to a |
| 397 | // canvas, we can be confident that the transform matrix of the canvas |
| 398 | // is what we set when creating the tiles. |
| 399 | SkMatrix matrix = fTiles[i]->getTotalMatrix(); |
| 400 | SkScalar tile_x_start = matrix.getTranslateX(); |
| 401 | SkScalar tile_y_start = matrix.getTranslateY(); |
| 402 | |
| 403 | SkBitmap source = fTiles[i]->getDevice()->accessBitmap(false); |
| 404 | |
| 405 | fCanvas->drawBitmap(source, -tile_x_start, -tile_y_start); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 406 | } |
| 407 | } |
| 408 | |
| 409 | } |