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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "config.h" | 5 #include "config.h" |
| 6 | 6 |
| 7 #include "cc/texture_uploader.h" | 7 #include "cc/texture_uploader.h" |
| 8 | 8 |
| 9 #include <algorithm> | 9 #include <algorithm> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/debug/alias.h" | 12 #include "base/debug/alias.h" |
| 13 #include "base/debug/trace_event.h" | 13 #include "base/debug/trace_event.h" |
| 14 #include "base/metrics/histogram.h" | 14 #include "base/metrics/histogram.h" |
| 15 #include "cc/texture.h" | 15 #include "cc/texture.h" |
| 16 #include "cc/prioritized_texture.h" | 16 #include "cc/prioritized_texture.h" |
| 17 #include "third_party/khronos/GLES2/gl2.h" | 17 #include "third_party/khronos/GLES2/gl2.h" |
| 18 #include "third_party/khronos/GLES2/gl2ext.h" | 18 #include "third_party/khronos/GLES2/gl2ext.h" |
| 19 #include "ui/gfx/rect.h" |
| 20 #include "ui/gfx/vector2d.h" |
| 19 #include <public/WebGraphicsContext3D.h> | 21 #include <public/WebGraphicsContext3D.h> |
| 20 | 22 |
| 21 namespace { | 23 namespace { |
| 22 | 24 |
| 23 // How many previous uploads to use when predicting future throughput. | 25 // How many previous uploads to use when predicting future throughput. |
| 24 static const size_t uploadHistorySizeMax = 1000; | 26 static const size_t uploadHistorySizeMax = 1000; |
| 25 static const size_t uploadHistorySizeInitial = 100; | 27 static const size_t uploadHistorySizeInitial = 100; |
| 26 | 28 |
| 27 // Global estimated number of textures per second to maintain estimates across | 29 // Global estimated number of textures per second to maintain estimates across |
| 28 // subsequent instances of TextureUploader. | 30 // subsequent instances of TextureUploader. |
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| 140 m_availableQueries.first()->begin(); | 142 m_availableQueries.first()->begin(); |
| 141 } | 143 } |
| 142 | 144 |
| 143 void TextureUploader::endQuery() | 145 void TextureUploader::endQuery() |
| 144 { | 146 { |
| 145 m_availableQueries.first()->end(); | 147 m_availableQueries.first()->end(); |
| 146 m_pendingQueries.append(m_availableQueries.takeFirst()); | 148 m_pendingQueries.append(m_availableQueries.takeFirst()); |
| 147 m_numBlockingTextureUploads++; | 149 m_numBlockingTextureUploads++; |
| 148 } | 150 } |
| 149 | 151 |
| 150 void TextureUploader::upload(const uint8_t* image, | 152 void TextureUploader::upload(const uint8* image, |
| 151 const IntRect& image_rect, | 153 const gfx::Rect& image_rect, |
| 152 const IntRect& source_rect, | 154 const gfx::Rect& source_rect, |
| 153 const IntSize& dest_offset, | 155 const gfx::Vector2d& dest_offset, |
| 154 GLenum format, | 156 GLenum format, |
| 155 IntSize size) | 157 const gfx::Size& size) |
| 156 { | 158 { |
| 157 CHECK(image_rect.contains(source_rect)); | 159 CHECK(image_rect.Contains(source_rect)); |
| 158 | 160 |
| 159 bool isFullUpload = dest_offset.isZero() && source_rect.size() == size; | 161 bool isFullUpload = dest_offset.IsZero() && source_rect.size() == size; |
| 160 | 162 |
| 161 if (isFullUpload) | 163 if (isFullUpload) |
| 162 beginQuery(); | 164 beginQuery(); |
| 163 | 165 |
| 164 if (m_useMapTexSubImage) { | 166 if (m_useMapTexSubImage) { |
| 165 uploadWithMapTexSubImage( | 167 uploadWithMapTexSubImage( |
| 166 image, image_rect, source_rect, dest_offset, format); | 168 image, image_rect, source_rect, dest_offset, format); |
| 167 } else { | 169 } else { |
| 168 uploadWithTexSubImage( | 170 uploadWithTexSubImage( |
| 169 image, image_rect, source_rect, dest_offset, format); | 171 image, image_rect, source_rect, dest_offset, format); |
| 170 } | 172 } |
| 171 | 173 |
| 172 if (isFullUpload) | 174 if (isFullUpload) |
| 173 endQuery(); | 175 endQuery(); |
| 174 } | 176 } |
| 175 | 177 |
| 176 void TextureUploader::uploadWithTexSubImage(const uint8_t* image, | 178 void TextureUploader::uploadWithTexSubImage(const uint8* image, |
| 177 const IntRect& image_rect, | 179 const gfx::Rect& image_rect, |
| 178 const IntRect& source_rect, | 180 const gfx::Rect& source_rect, |
| 179 const IntSize& dest_offset, | 181 const gfx::Vector2d& dest_offset, |
| 180 GLenum format) | 182 GLenum format) |
| 181 { | 183 { |
| 182 // Instrumentation to debug issue 156107 | 184 // Instrumentation to debug issue 156107 |
| 183 int source_rect_x = source_rect.x(); | 185 int source_rect_x = source_rect.x(); |
| 184 int source_rect_y = source_rect.y(); | 186 int source_rect_y = source_rect.y(); |
| 185 int source_rect_width = source_rect.width(); | 187 int source_rect_width = source_rect.width(); |
| 186 int source_rect_height = source_rect.height(); | 188 int source_rect_height = source_rect.height(); |
| 187 int image_rect_x = image_rect.x(); | 189 int image_rect_x = image_rect.x(); |
| 188 int image_rect_y = image_rect.y(); | 190 int image_rect_y = image_rect.y(); |
| 189 int image_rect_width = image_rect.width(); | 191 int image_rect_width = image_rect.width(); |
| 190 int image_rect_height = image_rect.height(); | 192 int image_rect_height = image_rect.height(); |
| 191 int dest_offset_width = dest_offset.width(); | 193 int dest_offset_x = dest_offset.x(); |
| 192 int dest_offset_height = dest_offset.height(); | 194 int dest_offset_y = dest_offset.y(); |
| 193 base::debug::Alias(&image); | 195 base::debug::Alias(&image); |
| 194 base::debug::Alias(&source_rect_x); | 196 base::debug::Alias(&source_rect_x); |
| 195 base::debug::Alias(&source_rect_y); | 197 base::debug::Alias(&source_rect_y); |
| 196 base::debug::Alias(&source_rect_width); | 198 base::debug::Alias(&source_rect_width); |
| 197 base::debug::Alias(&source_rect_height); | 199 base::debug::Alias(&source_rect_height); |
| 198 base::debug::Alias(&image_rect_x); | 200 base::debug::Alias(&image_rect_x); |
| 199 base::debug::Alias(&image_rect_y); | 201 base::debug::Alias(&image_rect_y); |
| 200 base::debug::Alias(&image_rect_width); | 202 base::debug::Alias(&image_rect_width); |
| 201 base::debug::Alias(&image_rect_height); | 203 base::debug::Alias(&image_rect_height); |
| 202 base::debug::Alias(&dest_offset_width); | 204 base::debug::Alias(&dest_offset_x); |
| 203 base::debug::Alias(&dest_offset_height); | 205 base::debug::Alias(&dest_offset_y); |
| 204 TRACE_EVENT0("cc", "TextureUploader::uploadWithTexSubImage"); | 206 TRACE_EVENT0("cc", "TextureUploader::uploadWithTexSubImage"); |
| 205 | 207 |
| 206 // Offset from image-rect to source-rect. | 208 // Offset from image-rect to source-rect. |
| 207 IntPoint offset(source_rect.x() - image_rect.x(), | 209 gfx::Vector2d offset(source_rect.origin() - image_rect.origin()); |
| 208 source_rect.y() - image_rect.y()); | |
| 209 | 210 |
| 210 const uint8_t* pixel_source; | 211 const uint8* pixel_source; |
| 211 unsigned int bytes_per_pixel = Texture::bytesPerPixel(format); | 212 unsigned int bytes_per_pixel = Texture::bytesPerPixel(format); |
| 212 | 213 |
| 213 if (image_rect.width() == source_rect.width() && !offset.x()) { | 214 if (image_rect.width() == source_rect.width() && !offset.x()) { |
| 214 pixel_source = &image[bytes_per_pixel * offset.y() * image_rect.width()]
; | 215 pixel_source = &image[bytes_per_pixel * offset.y() * image_rect.width()]
; |
| 215 } else { | 216 } else { |
| 216 size_t needed_size = source_rect.width() * source_rect.height() * bytes_
per_pixel; | 217 size_t needed_size = source_rect.width() * source_rect.height() * bytes_
per_pixel; |
| 217 if (m_subImageSize < needed_size) { | 218 if (m_subImageSize < needed_size) { |
| 218 m_subImage.reset(new uint8_t[needed_size]); | 219 m_subImage.reset(new uint8[needed_size]); |
| 219 m_subImageSize = needed_size; | 220 m_subImageSize = needed_size; |
| 220 } | 221 } |
| 221 // Strides not equal, so do a row-by-row memcpy from the | 222 // Strides not equal, so do a row-by-row memcpy from the |
| 222 // paint results into a temp buffer for uploading. | 223 // paint results into a temp buffer for uploading. |
| 223 for (int row = 0; row < source_rect.height(); ++row) | 224 for (int row = 0; row < source_rect.height(); ++row) |
| 224 memcpy(&m_subImage[source_rect.width() * bytes_per_pixel * row], | 225 memcpy(&m_subImage[source_rect.width() * bytes_per_pixel * row], |
| 225 &image[bytes_per_pixel * (offset.x() + | 226 &image[bytes_per_pixel * (offset.x() + |
| 226 (offset.y() + row) * image_rect.width())], | 227 (offset.y() + row) * image_rect.width())], |
| 227 source_rect.width() * bytes_per_pixel); | 228 source_rect.width() * bytes_per_pixel); |
| 228 | 229 |
| 229 pixel_source = &m_subImage[0]; | 230 pixel_source = &m_subImage[0]; |
| 230 } | 231 } |
| 231 | 232 |
| 232 m_context->texSubImage2D(GL_TEXTURE_2D, | 233 m_context->texSubImage2D(GL_TEXTURE_2D, |
| 233 0, | 234 0, |
| 234 dest_offset.width(), | 235 dest_offset.x(), |
| 235 dest_offset.height(), | 236 dest_offset.y(), |
| 236 source_rect.width(), | 237 source_rect.width(), |
| 237 source_rect.height(), | 238 source_rect.height(), |
| 238 format, | 239 format, |
| 239 GL_UNSIGNED_BYTE, | 240 GL_UNSIGNED_BYTE, |
| 240 pixel_source); | 241 pixel_source); |
| 241 } | 242 } |
| 242 | 243 |
| 243 void TextureUploader::uploadWithMapTexSubImage(const uint8_t* image, | 244 void TextureUploader::uploadWithMapTexSubImage(const uint8* image, |
| 244 const IntRect& image_rect, | 245 const gfx::Rect& image_rect, |
| 245 const IntRect& source_rect, | 246 const gfx::Rect& source_rect, |
| 246 const IntSize& dest_offset, | 247 const gfx::Vector2d& dest_offset, |
| 247 GLenum format) | 248 GLenum format) |
| 248 { | 249 { |
| 249 // Instrumentation to debug issue 156107 | 250 // Instrumentation to debug issue 156107 |
| 250 int source_rect_x = source_rect.x(); | 251 int source_rect_x = source_rect.x(); |
| 251 int source_rect_y = source_rect.y(); | 252 int source_rect_y = source_rect.y(); |
| 252 int source_rect_width = source_rect.width(); | 253 int source_rect_width = source_rect.width(); |
| 253 int source_rect_height = source_rect.height(); | 254 int source_rect_height = source_rect.height(); |
| 254 int image_rect_x = image_rect.x(); | 255 int image_rect_x = image_rect.x(); |
| 255 int image_rect_y = image_rect.y(); | 256 int image_rect_y = image_rect.y(); |
| 256 int image_rect_width = image_rect.width(); | 257 int image_rect_width = image_rect.width(); |
| 257 int image_rect_height = image_rect.height(); | 258 int image_rect_height = image_rect.height(); |
| 258 int dest_offset_width = dest_offset.width(); | 259 int dest_offset_x = dest_offset.x(); |
| 259 int dest_offset_height = dest_offset.height(); | 260 int dest_offset_y = dest_offset.y(); |
| 260 base::debug::Alias(&image); | 261 base::debug::Alias(&image); |
| 261 base::debug::Alias(&source_rect_x); | 262 base::debug::Alias(&source_rect_x); |
| 262 base::debug::Alias(&source_rect_y); | 263 base::debug::Alias(&source_rect_y); |
| 263 base::debug::Alias(&source_rect_width); | 264 base::debug::Alias(&source_rect_width); |
| 264 base::debug::Alias(&source_rect_height); | 265 base::debug::Alias(&source_rect_height); |
| 265 base::debug::Alias(&image_rect_x); | 266 base::debug::Alias(&image_rect_x); |
| 266 base::debug::Alias(&image_rect_y); | 267 base::debug::Alias(&image_rect_y); |
| 267 base::debug::Alias(&image_rect_width); | 268 base::debug::Alias(&image_rect_width); |
| 268 base::debug::Alias(&image_rect_height); | 269 base::debug::Alias(&image_rect_height); |
| 269 base::debug::Alias(&dest_offset_width); | 270 base::debug::Alias(&dest_offset_x); |
| 270 base::debug::Alias(&dest_offset_height); | 271 base::debug::Alias(&dest_offset_y); |
| 271 | 272 |
| 272 TRACE_EVENT0("cc", "TextureUploader::uploadWithMapTexSubImage"); | 273 TRACE_EVENT0("cc", "TextureUploader::uploadWithMapTexSubImage"); |
| 273 | 274 |
| 274 // Offset from image-rect to source-rect. | 275 // Offset from image-rect to source-rect. |
| 275 IntPoint offset(source_rect.x() - image_rect.x(), | 276 gfx::Vector2d offset(source_rect.origin() - image_rect.origin()); |
| 276 source_rect.y() - image_rect.y()); | |
| 277 | 277 |
| 278 // Upload tile data via a mapped transfer buffer | 278 // Upload tile data via a mapped transfer buffer |
| 279 uint8_t* pixel_dest = static_cast<uint8_t*>( | 279 uint8* pixel_dest = static_cast<uint8*>( |
| 280 m_context->mapTexSubImage2DCHROMIUM(GL_TEXTURE_2D, | 280 m_context->mapTexSubImage2DCHROMIUM(GL_TEXTURE_2D, |
| 281 0, | 281 0, |
| 282 dest_offset.width(), | 282 dest_offset.x(), |
| 283 dest_offset.height(), | 283 dest_offset.y(), |
| 284 source_rect.width(), | 284 source_rect.width(), |
| 285 source_rect.height(), | 285 source_rect.height(), |
| 286 format, | 286 format, |
| 287 GL_UNSIGNED_BYTE, | 287 GL_UNSIGNED_BYTE, |
| 288 GL_WRITE_ONLY)); | 288 GL_WRITE_ONLY)); |
| 289 | 289 |
| 290 if (!pixel_dest) { | 290 if (!pixel_dest) { |
| 291 uploadWithTexSubImage( | 291 uploadWithTexSubImage( |
| 292 image, image_rect, source_rect, dest_offset, format); | 292 image, image_rect, source_rect, dest_offset, format); |
| 293 return; | 293 return; |
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| 330 m_texturesPerSecondHistory.erase(m_texturesPerSecondHistory.begin())
; | 330 m_texturesPerSecondHistory.erase(m_texturesPerSecondHistory.begin())
; |
| 331 m_texturesPerSecondHistory.erase(--m_texturesPerSecondHistory.end())
; | 331 m_texturesPerSecondHistory.erase(--m_texturesPerSecondHistory.end())
; |
| 332 } | 332 } |
| 333 m_texturesPerSecondHistory.insert(texturesPerSecond); | 333 m_texturesPerSecondHistory.insert(texturesPerSecond); |
| 334 | 334 |
| 335 m_availableQueries.append(m_pendingQueries.takeFirst()); | 335 m_availableQueries.append(m_pendingQueries.takeFirst()); |
| 336 } | 336 } |
| 337 } | 337 } |
| 338 | 338 |
| 339 } | 339 } |
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