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" |
| 9 | #include "SamplePipeControllers.h" |
| 10 | #include "SkCanvas.h" |
| 11 | #include "SkDevice.h" |
| 12 | #include "SkGPipe.h" |
| 13 | #include "SkPicture.h" |
| 14 | #include "SkTDArray.h" |
| 15 | #include "SkTypes.h" |
| 16 | #include "picture_utils.h" |
| 17 | |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 18 | #if SK_SUPPORT_GPU |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 19 | #include "SkGpuDevice.h" |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 20 | #endif |
| 21 | |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 22 | namespace sk_tools { |
| 23 | |
| 24 | enum { |
| 25 | kDefaultTileWidth = 256, |
| 26 | kDefaultTileHeight = 256 |
| 27 | }; |
| 28 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 29 | void PictureRenderer::init(SkPicture* pict) { |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 30 | SkASSERT(NULL == fPicture); |
| 31 | SkASSERT(NULL == fCanvas.get()); |
| 32 | if (fPicture != NULL || NULL != fCanvas.get()) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 33 | return; |
| 34 | } |
| 35 | |
| 36 | SkASSERT(pict != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 37 | if (NULL == pict) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 38 | return; |
| 39 | } |
| 40 | |
| 41 | fPicture = pict; |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 42 | fCanvas.reset(this->setupCanvas()); |
| 43 | } |
| 44 | |
| 45 | SkCanvas* PictureRenderer::setupCanvas() { |
| 46 | return this->setupCanvas(fPicture->width(), fPicture->height()); |
| 47 | } |
| 48 | |
| 49 | SkCanvas* PictureRenderer::setupCanvas(int width, int height) { |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 50 | switch(fDeviceType) { |
| 51 | case kBitmap_DeviceType: { |
| 52 | SkBitmap bitmap; |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 53 | sk_tools::setup_bitmap(&bitmap, width, height); |
| 54 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 55 | break; |
| 56 | } |
| 57 | #if SK_SUPPORT_GPU |
| 58 | case kGPU_DeviceType: { |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 59 | SkAutoTUnref<SkGpuDevice> device(SkNEW_ARGS(SkGpuDevice, |
keyar@chromium.org | 0612564 | 2012-08-20 15:03:33 +0000 | [diff] [blame] | 60 | (fGrContext, SkBitmap::kARGB_8888_Config, |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 61 | width, height))); |
| 62 | return SkNEW_ARGS(SkCanvas, (device.get())); |
keyar@chromium.org | 4ea96c5 | 2012-08-20 15:03:29 +0000 | [diff] [blame] | 63 | break; |
| 64 | } |
| 65 | #endif |
| 66 | default: |
| 67 | SkASSERT(0); |
| 68 | } |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 69 | |
| 70 | return NULL; |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | void PictureRenderer::end() { |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 74 | this->resetState(); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 75 | fPicture = NULL; |
| 76 | fCanvas.reset(NULL); |
| 77 | } |
| 78 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 79 | void PictureRenderer::resetState() { |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 80 | #if SK_SUPPORT_GPU |
| 81 | if (this->isUsingGpuDevice()) { |
| 82 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 83 | GrContextFactory::kNative_GLContextType); |
| 84 | SK_GL(*glContext, Finish()); |
| 85 | } |
| 86 | #endif |
| 87 | } |
| 88 | |
| 89 | void PictureRenderer::finishDraw() { |
keyar@chromium.org | bffacc0 | 2012-08-20 15:04:07 +0000 | [diff] [blame] | 90 | SkASSERT(fCanvas.get() != NULL); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 91 | if (NULL == fCanvas.get()) { |
keyar@chromium.org | bffacc0 | 2012-08-20 15:04:07 +0000 | [diff] [blame] | 92 | return; |
| 93 | } |
| 94 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 95 | fCanvas->flush(); |
| 96 | |
keyar@chromium.org | a40c20d | 2012-08-20 15:04:12 +0000 | [diff] [blame] | 97 | #if SK_SUPPORT_GPU |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 98 | if (this->isUsingGpuDevice()) { |
| 99 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 100 | GrContextFactory::kNative_GLContextType); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 101 | |
| 102 | SkASSERT(glContext != NULL); |
| 103 | if (NULL == glContext) { |
| 104 | return; |
| 105 | } |
| 106 | |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 107 | SK_GL(*glContext, Finish()); |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 108 | } |
keyar@chromium.org | a40c20d | 2012-08-20 15:04:12 +0000 | [diff] [blame] | 109 | #endif |
keyar@chromium.org | 77a5522 | 2012-08-20 15:03:47 +0000 | [diff] [blame] | 110 | } |
| 111 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 112 | void PipePictureRenderer::render() { |
| 113 | SkASSERT(fCanvas.get() != NULL); |
| 114 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 115 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 116 | return; |
| 117 | } |
| 118 | |
| 119 | PipeController pipeController(fCanvas.get()); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 120 | SkGPipeWriter writer; |
| 121 | SkCanvas* pipeCanvas = writer.startRecording(&pipeController); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 122 | pipeCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 123 | writer.endRecording(); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 124 | this->finishDraw(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 125 | } |
| 126 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 127 | void SimplePictureRenderer::render() { |
| 128 | SkASSERT(fCanvas.get() != NULL); |
| 129 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 130 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 131 | return; |
| 132 | } |
| 133 | |
| 134 | fCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 135 | this->finishDraw(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | TiledPictureRenderer::TiledPictureRenderer() |
| 139 | : fTileWidth(kDefaultTileWidth) |
| 140 | , fTileHeight(kDefaultTileHeight) {} |
| 141 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 142 | void TiledPictureRenderer::init(SkPicture* pict) { |
| 143 | SkASSERT(pict != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 144 | SkASSERT(0 == fTiles.count()); |
| 145 | if (NULL == pict || fTiles.count() != 0) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 146 | return; |
| 147 | } |
| 148 | |
| 149 | this->INHERITED::init(pict); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 150 | |
| 151 | if (fTileWidthPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 152 | fTileWidth = sk_float_ceil2int(float(fTileWidthPercentage * fPicture->width() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 153 | } |
| 154 | if (fTileHeightPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame] | 155 | fTileHeight = sk_float_ceil2int(float(fTileHeightPercentage * fPicture->height() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 156 | } |
| 157 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 158 | this->setupTiles(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 159 | } |
| 160 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 161 | void TiledPictureRenderer::render() { |
| 162 | SkASSERT(fCanvas.get() != NULL); |
| 163 | SkASSERT(fPicture != NULL); |
keyar@chromium.org | 78a35c5 | 2012-08-20 15:03:44 +0000 | [diff] [blame] | 164 | if (NULL == fCanvas.get() || NULL == fPicture) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 165 | return; |
| 166 | } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 167 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 168 | this->drawTiles(); |
| 169 | this->copyTilesToCanvas(); |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 170 | this->finishDraw(); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | void TiledPictureRenderer::end() { |
| 174 | this->deleteTiles(); |
| 175 | this->INHERITED::end(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | TiledPictureRenderer::~TiledPictureRenderer() { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 179 | this->deleteTiles(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 180 | } |
| 181 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 182 | void TiledPictureRenderer::clipTile(const TileInfo& tile) { |
| 183 | SkRect clip = SkRect::MakeWH(SkIntToScalar(fPicture->width()), |
| 184 | SkIntToScalar(fPicture->height())); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 185 | tile.fCanvas->clipRect(clip); |
| 186 | } |
| 187 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 188 | void TiledPictureRenderer::addTile(int tile_x_start, int tile_y_start) { |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 189 | TileInfo* tile = fTiles.push(); |
| 190 | |
keyar@chromium.org | a474ce3 | 2012-08-20 15:03:57 +0000 | [diff] [blame] | 191 | tile->fCanvas = this->setupCanvas(fTileWidth, fTileHeight); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 192 | tile->fCanvas->translate(SkIntToScalar(-tile_x_start), SkIntToScalar(-tile_y_start)); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 193 | this->clipTile(*tile); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 194 | } |
| 195 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 196 | void TiledPictureRenderer::setupTiles() { |
| 197 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 198 | tile_y_start += fTileHeight) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 199 | for (int tile_x_start = 0; tile_x_start < fPicture->width(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 200 | tile_x_start += fTileWidth) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 201 | this->addTile(tile_x_start, tile_y_start); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 202 | } |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | void TiledPictureRenderer::deleteTiles() { |
| 207 | for (int i = 0; i < fTiles.count(); ++i) { |
| 208 | SkDELETE(fTiles[i].fCanvas); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | fTiles.reset(); |
| 212 | } |
| 213 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 214 | void TiledPictureRenderer::drawTiles() { |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 215 | for (int i = 0; i < fTiles.count(); ++i) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 216 | fTiles[i].fCanvas->drawPicture(*(fPicture)); |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 217 | } |
| 218 | } |
| 219 | |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 220 | void TiledPictureRenderer::finishDraw() { |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 221 | for (int i = 0; i < fTiles.count(); ++i) { |
| 222 | fTiles[i].fCanvas->flush(); |
| 223 | } |
| 224 | |
keyar@chromium.org | 28136b3 | 2012-08-20 15:04:15 +0000 | [diff] [blame] | 225 | #if SK_SUPPORT_GPU |
| 226 | if (this->isUsingGpuDevice()) { |
| 227 | SkGLContext* glContext = fGrContextFactory.getGLContext( |
| 228 | GrContextFactory::kNative_GLContextType); |
| 229 | |
| 230 | SkASSERT(glContext != NULL); |
| 231 | if (NULL == glContext) { |
| 232 | return; |
| 233 | } |
| 234 | |
| 235 | SK_GL(*glContext, Finish()); |
| 236 | } |
| 237 | #endif |
keyar@chromium.org | 275be53 | 2012-08-20 15:04:00 +0000 | [diff] [blame] | 238 | } |
| 239 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 240 | void TiledPictureRenderer::copyTilesToCanvas() { |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 241 | int tile_index = 0; |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 242 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 243 | tile_y_start += fTileHeight) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 244 | for (int tile_x_start = 0; tile_x_start < fPicture->width(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 245 | tile_x_start += fTileWidth) { |
| 246 | SkASSERT(tile_index < fTiles.count()); |
| 247 | SkBitmap source = fTiles[tile_index].fCanvas->getDevice()->accessBitmap(false); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 248 | fCanvas->drawBitmap(source, |
| 249 | SkIntToScalar(tile_x_start), |
| 250 | SkIntToScalar(tile_y_start)); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 251 | ++tile_index; |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | } |