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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 "cc/resources/resource_provider.h" | 5 #include "cc/resources/resource_provider.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 | 9 |
10 #include "base/containers/hash_tables.h" | 10 #include "base/containers/hash_tables.h" |
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27 using WebKit::WebGraphicsContext3D; | 27 using WebKit::WebGraphicsContext3D; |
28 | 28 |
29 namespace cc { | 29 namespace cc { |
30 | 30 |
31 namespace { | 31 namespace { |
32 | 32 |
33 // Measured in seconds. | 33 // Measured in seconds. |
34 const double kSoftwareUploadTickRate = 0.000250; | 34 const double kSoftwareUploadTickRate = 0.000250; |
35 const double kTextureUploadTickRate = 0.004; | 35 const double kTextureUploadTickRate = 0.004; |
36 | 36 |
37 GLenum TextureToStorageFormat(GLenum texture_format) { | 37 GLenum TextureToStorageFormat(cc::ResourceProvider::Format format) { |
38 GLenum storage_format = GL_RGBA8_OES; | 38 GLenum storage_format = GL_RGBA8_OES; |
39 switch (texture_format) { | 39 switch (format) { |
40 case GL_RGBA: | 40 case cc::ResourceProvider::RGBA_8888: |
41 case cc::ResourceProvider::RGBA_4444: | |
42 case cc::ResourceProvider::LUMINANCE_8: | |
41 break; | 43 break; |
42 case GL_BGRA_EXT: | 44 case cc::ResourceProvider::BGRA_8888: |
43 storage_format = GL_BGRA8_EXT; | 45 storage_format = GL_BGRA8_EXT; |
44 break; | 46 break; |
45 default: | |
46 NOTREACHED(); | |
47 break; | |
48 } | 47 } |
49 | 48 |
50 return storage_format; | 49 return storage_format; |
51 } | 50 } |
52 | 51 |
53 bool IsTextureFormatSupportedForStorage(GLenum format) { | 52 bool IsFormatSupportedForStorage( |
54 return (format == GL_RGBA || format == GL_BGRA_EXT); | 53 cc::ResourceProvider::Format format) { |
54 switch (format) { | |
55 case cc::ResourceProvider::RGBA_8888: | |
56 case cc::ResourceProvider::BGRA_8888: | |
57 return true; | |
58 case cc::ResourceProvider::RGBA_4444: | |
59 case cc::ResourceProvider::LUMINANCE_8: | |
60 return false; | |
61 } | |
62 return false; | |
55 } | 63 } |
56 | 64 |
57 class ScopedSetActiveTexture { | 65 class ScopedSetActiveTexture { |
58 public: | 66 public: |
59 ScopedSetActiveTexture(WebGraphicsContext3D* context3d, GLenum unit) | 67 ScopedSetActiveTexture(WebGraphicsContext3D* context3d, GLenum unit) |
60 : context3d_(context3d), unit_(unit) { | 68 : context3d_(context3d), unit_(unit) { |
61 DCHECK_EQ(GL_TEXTURE0, ResourceProvider::GetActiveTextureUnit(context3d_)); | 69 DCHECK_EQ(GL_TEXTURE0, ResourceProvider::GetActiveTextureUnit(context3d_)); |
62 | 70 |
63 if (unit_ != GL_TEXTURE0) | 71 if (unit_ != GL_TEXTURE0) |
64 GLC(context3d_, context3d_->activeTexture(unit_)); | 72 GLC(context3d_, context3d_->activeTexture(unit_)); |
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88 exported_count(0), | 96 exported_count(0), |
89 locked_for_write(false), | 97 locked_for_write(false), |
90 external(false), | 98 external(false), |
91 marked_for_deletion(false), | 99 marked_for_deletion(false), |
92 pending_set_pixels(false), | 100 pending_set_pixels(false), |
93 set_pixels_completion_forced(false), | 101 set_pixels_completion_forced(false), |
94 allocated(false), | 102 allocated(false), |
95 enable_read_lock_fences(false), | 103 enable_read_lock_fences(false), |
96 read_lock_fence(NULL), | 104 read_lock_fence(NULL), |
97 size(), | 105 size(), |
98 format(0), | |
99 filter(0), | 106 filter(0), |
100 image_id(0), | 107 image_id(0), |
101 texture_pool(0), | 108 texture_pool(0), |
102 wrap_mode(0), | 109 wrap_mode(0), |
103 hint(TextureUsageAny), | 110 hint(TextureUsageAny), |
104 type(static_cast<ResourceType>(0)) {} | 111 type(static_cast<ResourceType>(0)), |
112 texture_format(RGBA_8888) {} | |
105 | 113 |
106 ResourceProvider::Resource::~Resource() {} | 114 ResourceProvider::Resource::~Resource() {} |
107 | 115 |
108 ResourceProvider::Resource::Resource( | 116 ResourceProvider::Resource::Resource( |
109 unsigned texture_id, | 117 unsigned texture_id, |
110 gfx::Size size, | 118 gfx::Size size, |
111 GLenum format, | |
112 GLenum filter, | 119 GLenum filter, |
113 GLenum texture_pool, | 120 GLenum texture_pool, |
114 GLint wrap_mode, | 121 GLint wrap_mode, |
115 TextureUsageHint hint) | 122 TextureUsageHint hint, |
123 Format texture_format) | |
116 : gl_id(texture_id), | 124 : gl_id(texture_id), |
117 gl_pixel_buffer_id(0), | 125 gl_pixel_buffer_id(0), |
118 gl_upload_query_id(0), | 126 gl_upload_query_id(0), |
119 pixels(NULL), | 127 pixels(NULL), |
120 pixel_buffer(NULL), | 128 pixel_buffer(NULL), |
121 lock_for_read_count(0), | 129 lock_for_read_count(0), |
122 imported_count(0), | 130 imported_count(0), |
123 exported_count(0), | 131 exported_count(0), |
124 locked_for_write(false), | 132 locked_for_write(false), |
125 external(false), | 133 external(false), |
126 marked_for_deletion(false), | 134 marked_for_deletion(false), |
127 pending_set_pixels(false), | 135 pending_set_pixels(false), |
128 set_pixels_completion_forced(false), | 136 set_pixels_completion_forced(false), |
129 allocated(false), | 137 allocated(false), |
130 enable_read_lock_fences(false), | 138 enable_read_lock_fences(false), |
131 read_lock_fence(NULL), | 139 read_lock_fence(NULL), |
132 size(size), | 140 size(size), |
133 format(format), | |
134 filter(filter), | 141 filter(filter), |
135 image_id(0), | 142 image_id(0), |
136 texture_pool(texture_pool), | 143 texture_pool(texture_pool), |
137 wrap_mode(wrap_mode), | 144 wrap_mode(wrap_mode), |
138 hint(hint), | 145 hint(hint), |
139 type(GLTexture) { | 146 type(GLTexture), |
147 texture_format(texture_format) { | |
140 DCHECK(wrap_mode == GL_CLAMP_TO_EDGE || wrap_mode == GL_REPEAT); | 148 DCHECK(wrap_mode == GL_CLAMP_TO_EDGE || wrap_mode == GL_REPEAT); |
141 } | 149 } |
142 | 150 |
143 ResourceProvider::Resource::Resource( | 151 ResourceProvider::Resource::Resource( |
144 uint8_t* pixels, | 152 uint8_t* pixels, |
145 gfx::Size size, | 153 gfx::Size size, |
146 GLenum format, | |
147 GLenum filter, | 154 GLenum filter, |
148 GLint wrap_mode) | 155 GLint wrap_mode) |
149 : gl_id(0), | 156 : gl_id(0), |
150 gl_pixel_buffer_id(0), | 157 gl_pixel_buffer_id(0), |
151 gl_upload_query_id(0), | 158 gl_upload_query_id(0), |
152 pixels(pixels), | 159 pixels(pixels), |
153 pixel_buffer(NULL), | 160 pixel_buffer(NULL), |
154 lock_for_read_count(0), | 161 lock_for_read_count(0), |
155 imported_count(0), | 162 imported_count(0), |
156 exported_count(0), | 163 exported_count(0), |
157 locked_for_write(false), | 164 locked_for_write(false), |
158 external(false), | 165 external(false), |
159 marked_for_deletion(false), | 166 marked_for_deletion(false), |
160 pending_set_pixels(false), | 167 pending_set_pixels(false), |
161 set_pixels_completion_forced(false), | 168 set_pixels_completion_forced(false), |
162 allocated(false), | 169 allocated(false), |
163 enable_read_lock_fences(false), | 170 enable_read_lock_fences(false), |
164 read_lock_fence(NULL), | 171 read_lock_fence(NULL), |
165 size(size), | 172 size(size), |
166 format(format), | |
167 filter(filter), | 173 filter(filter), |
168 image_id(0), | 174 image_id(0), |
169 texture_pool(0), | 175 texture_pool(0), |
170 wrap_mode(wrap_mode), | 176 wrap_mode(wrap_mode), |
171 hint(TextureUsageAny), | 177 hint(TextureUsageAny), |
172 type(Bitmap) { | 178 type(Bitmap), |
179 texture_format(RGBA_8888) { | |
173 DCHECK(wrap_mode == GL_CLAMP_TO_EDGE || wrap_mode == GL_REPEAT); | 180 DCHECK(wrap_mode == GL_CLAMP_TO_EDGE || wrap_mode == GL_REPEAT); |
174 } | 181 } |
175 | 182 |
176 ResourceProvider::Child::Child() {} | 183 ResourceProvider::Child::Child() {} |
177 | 184 |
178 ResourceProvider::Child::~Child() {} | 185 ResourceProvider::Child::~Child() {} |
179 | 186 |
180 scoped_ptr<ResourceProvider> ResourceProvider::Create( | 187 scoped_ptr<ResourceProvider> ResourceProvider::Create( |
181 OutputSurface* output_surface, | 188 OutputSurface* output_surface, |
182 int highp_threshold_min) { | 189 int highp_threshold_min) { |
183 scoped_ptr<ResourceProvider> resource_provider( | 190 scoped_ptr<ResourceProvider> resource_provider( |
184 new ResourceProvider(output_surface, highp_threshold_min)); | 191 new ResourceProvider(output_surface, |
192 highp_threshold_min)); | |
185 | 193 |
186 bool success = false; | 194 bool success = false; |
187 if (resource_provider->Context3d()) { | 195 if (resource_provider->Context3d()) { |
188 success = resource_provider->InitializeGL(); | 196 success = resource_provider->InitializeGL(); |
189 } else { | 197 } else { |
190 resource_provider->InitializeSoftware(); | 198 resource_provider->InitializeSoftware(); |
191 success = true; | 199 success = true; |
192 } | 200 } |
193 | 201 |
194 if (!success) | 202 if (!success) |
195 return scoped_ptr<ResourceProvider>(); | 203 return scoped_ptr<ResourceProvider>(); |
196 | 204 |
197 DCHECK_NE(InvalidType, resource_provider->default_resource_type()); | 205 DCHECK_NE(InvalidType, resource_provider->default_resource_type()); |
198 return resource_provider.Pass(); | 206 return resource_provider.Pass(); |
199 } | 207 } |
200 | 208 |
201 ResourceProvider::~ResourceProvider() { | 209 ResourceProvider::~ResourceProvider() { |
202 while (!resources_.empty()) | 210 while (!resources_.empty()) |
203 DeleteResourceInternal(resources_.begin(), ForShutdown); | 211 DeleteResourceInternal(resources_.begin(), ForShutdown); |
204 | 212 |
205 CleanUpGLIfNeeded(); | 213 CleanUpGLIfNeeded(); |
206 } | 214 } |
207 | 215 |
208 bool ResourceProvider::InUseByConsumer(ResourceId id) { | 216 bool ResourceProvider::InUseByConsumer(ResourceId id) { |
209 Resource* resource = GetResource(id); | 217 Resource* resource = GetResource(id); |
210 return resource->lock_for_read_count > 0 || resource->exported_count > 0; | 218 return resource->lock_for_read_count > 0 || resource->exported_count > 0; |
211 } | 219 } |
212 | 220 |
213 ResourceProvider::ResourceId ResourceProvider::CreateResource( | 221 ResourceProvider::ResourceId ResourceProvider::CreateResource( |
214 gfx::Size size, GLenum format, GLint wrap_mode, TextureUsageHint hint) { | 222 gfx::Size size, |
223 GLint wrap_mode, | |
224 TextureUsageHint hint, | |
225 Format texture_format) { | |
215 DCHECK(!size.IsEmpty()); | 226 DCHECK(!size.IsEmpty()); |
216 switch (default_resource_type_) { | 227 switch (default_resource_type_) { |
217 case GLTexture: | 228 case GLTexture: |
218 return CreateGLTexture(size, format, GL_TEXTURE_POOL_UNMANAGED_CHROMIUM, | 229 return CreateGLTexture(size, |
219 wrap_mode, hint); | 230 GL_TEXTURE_POOL_UNMANAGED_CHROMIUM, |
231 wrap_mode, | |
232 hint, | |
233 texture_format); | |
220 case Bitmap: | 234 case Bitmap: |
221 // The only wrap_mode currently implemented in software mode is | 235 DCHECK(texture_format == RGBA_8888); |
enne (OOO)
2013/09/13 01:39:44
DCHECK_EQ, here and elsewhere.
kaanb
2013/09/13 03:43:56
Done.
| |
222 // GL_CLAMP_TO_EDGE. | |
223 // http://crbug.com/284796 | |
224 DCHECK(format == GL_RGBA); | |
225 return CreateBitmap(size); | 236 return CreateBitmap(size); |
226 case InvalidType: | 237 case InvalidType: |
227 break; | 238 break; |
228 } | 239 } |
229 | 240 |
230 LOG(FATAL) << "Invalid default resource type."; | 241 LOG(FATAL) << "Invalid default resource type."; |
231 return 0; | 242 return 0; |
232 } | 243 } |
233 | 244 |
234 ResourceProvider::ResourceId ResourceProvider::CreateManagedResource( | 245 ResourceProvider::ResourceId ResourceProvider::CreateManagedResource( |
235 gfx::Size size, GLenum format, GLint wrap_mode, TextureUsageHint hint) { | 246 gfx::Size size, |
247 GLint wrap_mode, | |
248 TextureUsageHint hint, | |
249 Format texture_format) { | |
236 DCHECK(!size.IsEmpty()); | 250 DCHECK(!size.IsEmpty()); |
237 switch (default_resource_type_) { | 251 switch (default_resource_type_) { |
238 case GLTexture: | 252 case GLTexture: |
239 return CreateGLTexture(size, format, GL_TEXTURE_POOL_MANAGED_CHROMIUM, | 253 return CreateGLTexture(size, |
240 wrap_mode, hint); | 254 GL_TEXTURE_POOL_MANAGED_CHROMIUM, |
255 wrap_mode, | |
256 hint, | |
257 texture_format); | |
241 case Bitmap: | 258 case Bitmap: |
242 DCHECK(format == GL_RGBA); | 259 DCHECK(texture_format == RGBA_8888); |
243 return CreateBitmap(size); | 260 return CreateBitmap(size); |
244 case InvalidType: | 261 case InvalidType: |
245 break; | 262 break; |
246 } | 263 } |
247 | 264 |
248 LOG(FATAL) << "Invalid default resource type."; | 265 LOG(FATAL) << "Invalid default resource type."; |
249 return 0; | 266 return 0; |
250 } | 267 } |
251 | 268 |
252 ResourceProvider::ResourceId ResourceProvider::CreateGLTexture( | 269 ResourceProvider::ResourceId ResourceProvider::CreateGLTexture( |
253 gfx::Size size, | 270 gfx::Size size, |
254 GLenum format, | |
255 GLenum texture_pool, | 271 GLenum texture_pool, |
256 GLint wrap_mode, | 272 GLint wrap_mode, |
257 TextureUsageHint hint) { | 273 TextureUsageHint hint, |
274 Format texture_format) { | |
258 DCHECK_LE(size.width(), max_texture_size_); | 275 DCHECK_LE(size.width(), max_texture_size_); |
259 DCHECK_LE(size.height(), max_texture_size_); | 276 DCHECK_LE(size.height(), max_texture_size_); |
260 DCHECK(thread_checker_.CalledOnValidThread()); | 277 DCHECK(thread_checker_.CalledOnValidThread()); |
261 | 278 |
262 ResourceId id = next_id_++; | 279 ResourceId id = next_id_++; |
263 Resource resource(0, size, format, GL_LINEAR, texture_pool, wrap_mode, hint); | 280 Resource resource( |
281 0, size, GL_LINEAR, texture_pool, wrap_mode, hint, texture_format); | |
264 resource.allocated = false; | 282 resource.allocated = false; |
265 resources_[id] = resource; | 283 resources_[id] = resource; |
266 return id; | 284 return id; |
267 } | 285 } |
268 | 286 |
269 ResourceProvider::ResourceId ResourceProvider::CreateBitmap(gfx::Size size) { | 287 ResourceProvider::ResourceId ResourceProvider::CreateBitmap(gfx::Size size) { |
270 DCHECK(thread_checker_.CalledOnValidThread()); | 288 DCHECK(thread_checker_.CalledOnValidThread()); |
271 | 289 |
272 uint8_t* pixels = new uint8_t[4 * size.GetArea()]; | 290 uint8_t* pixels = new uint8_t[4 * size.GetArea()]; |
273 | 291 |
274 ResourceId id = next_id_++; | 292 ResourceId id = next_id_++; |
275 Resource resource(pixels, size, GL_RGBA, GL_LINEAR, GL_CLAMP_TO_EDGE); | 293 Resource resource(pixels, size, GL_LINEAR, GL_CLAMP_TO_EDGE); |
276 resource.allocated = true; | 294 resource.allocated = true; |
277 resources_[id] = resource; | 295 resources_[id] = resource; |
278 return id; | 296 return id; |
279 } | 297 } |
280 | 298 |
281 ResourceProvider::ResourceId | 299 ResourceProvider::ResourceId |
282 ResourceProvider::CreateResourceFromExternalTexture( | 300 ResourceProvider::CreateResourceFromExternalTexture( |
283 unsigned texture_target, | 301 unsigned texture_target, |
284 unsigned texture_id) { | 302 unsigned texture_id) { |
285 DCHECK(thread_checker_.CalledOnValidThread()); | 303 DCHECK(thread_checker_.CalledOnValidThread()); |
286 | 304 |
287 WebGraphicsContext3D* context3d = Context3d(); | 305 WebGraphicsContext3D* context3d = Context3d(); |
288 DCHECK(context3d); | 306 DCHECK(context3d); |
289 GLC(context3d, context3d->bindTexture(texture_target, texture_id)); | 307 GLC(context3d, context3d->bindTexture(texture_target, texture_id)); |
290 GLC(context3d, context3d->texParameteri( | 308 GLC(context3d, context3d->texParameteri( |
291 texture_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR)); | 309 texture_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR)); |
292 GLC(context3d, context3d->texParameteri( | 310 GLC(context3d, context3d->texParameteri( |
293 texture_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR)); | 311 texture_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR)); |
294 GLC(context3d, context3d->texParameteri( | 312 GLC(context3d, context3d->texParameteri( |
295 texture_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)); | 313 texture_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)); |
296 GLC(context3d, context3d->texParameteri( | 314 GLC(context3d, context3d->texParameteri( |
297 texture_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE)); | 315 texture_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE)); |
298 | 316 |
299 ResourceId id = next_id_++; | 317 ResourceId id = next_id_++; |
300 Resource resource(texture_id, gfx::Size(), 0, GL_LINEAR, 0, GL_CLAMP_TO_EDGE, | 318 Resource resource(texture_id, |
301 TextureUsageAny); | 319 gfx::Size(), |
320 GL_LINEAR, | |
321 0, | |
322 GL_CLAMP_TO_EDGE, | |
323 TextureUsageAny, | |
324 RGBA_8888); | |
302 resource.external = true; | 325 resource.external = true; |
303 resource.allocated = true; | 326 resource.allocated = true; |
304 resources_[id] = resource; | 327 resources_[id] = resource; |
305 return id; | 328 return id; |
306 } | 329 } |
307 | 330 |
308 ResourceProvider::ResourceId ResourceProvider::CreateResourceFromTextureMailbox( | 331 ResourceProvider::ResourceId ResourceProvider::CreateResourceFromTextureMailbox( |
309 const TextureMailbox& mailbox) { | 332 const TextureMailbox& mailbox) { |
310 DCHECK(thread_checker_.CalledOnValidThread()); | 333 DCHECK(thread_checker_.CalledOnValidThread()); |
311 // Just store the information. Mailbox will be consumed in LockForRead(). | 334 // Just store the information. Mailbox will be consumed in LockForRead(). |
312 ResourceId id = next_id_++; | 335 ResourceId id = next_id_++; |
313 DCHECK(mailbox.IsValid()); | 336 DCHECK(mailbox.IsValid()); |
314 Resource& resource = resources_[id]; | 337 Resource& resource = resources_[id]; |
315 if (mailbox.IsTexture()) { | 338 if (mailbox.IsTexture()) { |
316 resource = Resource(0, gfx::Size(), 0, GL_LINEAR, 0, GL_CLAMP_TO_EDGE, | 339 resource = Resource(0, |
317 TextureUsageAny); | 340 gfx::Size(), |
341 GL_LINEAR, | |
342 0, | |
343 GL_CLAMP_TO_EDGE, | |
344 TextureUsageAny, | |
345 RGBA_8888); | |
318 } else { | 346 } else { |
319 DCHECK(mailbox.IsSharedMemory()); | 347 DCHECK(mailbox.IsSharedMemory()); |
320 base::SharedMemory* shared_memory = mailbox.shared_memory(); | 348 base::SharedMemory* shared_memory = mailbox.shared_memory(); |
321 DCHECK(shared_memory->memory()); | 349 DCHECK(shared_memory->memory()); |
322 uint8_t* pixels = reinterpret_cast<uint8_t*>(shared_memory->memory()); | 350 uint8_t* pixels = reinterpret_cast<uint8_t*>(shared_memory->memory()); |
323 resource = Resource(pixels, mailbox.shared_memory_size(), | 351 resource = Resource( |
324 GL_RGBA, GL_LINEAR, GL_CLAMP_TO_EDGE); | 352 pixels, mailbox.shared_memory_size(), GL_LINEAR, GL_CLAMP_TO_EDGE); |
325 } | 353 } |
326 resource.external = true; | 354 resource.external = true; |
327 resource.allocated = true; | 355 resource.allocated = true; |
328 resource.mailbox = mailbox; | 356 resource.mailbox = mailbox; |
329 return id; | 357 return id; |
330 } | 358 } |
331 | 359 |
332 void ResourceProvider::DeleteResource(ResourceId id) { | 360 void ResourceProvider::DeleteResource(ResourceId id) { |
333 DCHECK(thread_checker_.CalledOnValidThread()); | 361 DCHECK(thread_checker_.CalledOnValidThread()); |
334 ResourceMap::iterator it = resources_.find(id); | 362 ResourceMap::iterator it = resources_.find(id); |
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425 if (resource->gl_id) { | 453 if (resource->gl_id) { |
426 DCHECK(!resource->pending_set_pixels); | 454 DCHECK(!resource->pending_set_pixels); |
427 WebGraphicsContext3D* context3d = Context3d(); | 455 WebGraphicsContext3D* context3d = Context3d(); |
428 DCHECK(context3d); | 456 DCHECK(context3d); |
429 DCHECK(texture_uploader_.get()); | 457 DCHECK(texture_uploader_.get()); |
430 context3d->bindTexture(GL_TEXTURE_2D, resource->gl_id); | 458 context3d->bindTexture(GL_TEXTURE_2D, resource->gl_id); |
431 texture_uploader_->Upload(image, | 459 texture_uploader_->Upload(image, |
432 image_rect, | 460 image_rect, |
433 source_rect, | 461 source_rect, |
434 dest_offset, | 462 dest_offset, |
435 resource->format, | 463 resource->texture_format, |
436 resource->size); | 464 resource->size); |
437 } | 465 } |
438 | 466 |
439 if (resource->pixels) { | 467 if (resource->pixels) { |
440 DCHECK(resource->allocated); | 468 DCHECK(resource->allocated); |
441 DCHECK(resource->format == GL_RGBA); | 469 DCHECK(resource->texture_format == RGBA_8888); |
442 SkBitmap src_full; | 470 SkBitmap src_full; |
443 src_full.setConfig( | 471 src_full.setConfig( |
444 SkBitmap::kARGB_8888_Config, image_rect.width(), image_rect.height()); | 472 SkBitmap::kARGB_8888_Config, image_rect.width(), image_rect.height()); |
445 src_full.setPixels(const_cast<uint8_t*>(image)); | 473 src_full.setPixels(const_cast<uint8_t*>(image)); |
446 SkBitmap src_subset; | 474 SkBitmap src_subset; |
447 SkIRect sk_source_rect = SkIRect::MakeXYWH(source_rect.x(), | 475 SkIRect sk_source_rect = SkIRect::MakeXYWH(source_rect.x(), |
448 source_rect.y(), | 476 source_rect.y(), |
449 source_rect.width(), | 477 source_rect.width(), |
450 source_rect.height()); | 478 source_rect.height()); |
451 sk_source_rect.offset(-image_rect.x(), -image_rect.y()); | 479 sk_source_rect.offset(-image_rect.x(), -image_rect.y()); |
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655 DCHECK(texture_id_); | 683 DCHECK(texture_id_); |
656 } | 684 } |
657 | 685 |
658 ResourceProvider::ScopedWriteLockGL::~ScopedWriteLockGL() { | 686 ResourceProvider::ScopedWriteLockGL::~ScopedWriteLockGL() { |
659 resource_provider_->UnlockForWrite(resource_id_); | 687 resource_provider_->UnlockForWrite(resource_id_); |
660 } | 688 } |
661 | 689 |
662 void ResourceProvider::PopulateSkBitmapWithResource( | 690 void ResourceProvider::PopulateSkBitmapWithResource( |
663 SkBitmap* sk_bitmap, const Resource* resource) { | 691 SkBitmap* sk_bitmap, const Resource* resource) { |
664 DCHECK(resource->pixels); | 692 DCHECK(resource->pixels); |
665 DCHECK(resource->format == GL_RGBA); | 693 DCHECK(resource->texture_format == RGBA_8888); |
666 sk_bitmap->setConfig(SkBitmap::kARGB_8888_Config, | 694 sk_bitmap->setConfig(SkBitmap::kARGB_8888_Config, |
667 resource->size.width(), | 695 resource->size.width(), |
668 resource->size.height()); | 696 resource->size.height()); |
669 sk_bitmap->setPixels(resource->pixels); | 697 sk_bitmap->setPixels(resource->pixels); |
670 } | 698 } |
671 | 699 |
672 ResourceProvider::ScopedReadLockSoftware::ScopedReadLockSoftware( | 700 ResourceProvider::ScopedReadLockSoftware::ScopedReadLockSoftware( |
673 ResourceProvider* resource_provider, | 701 ResourceProvider* resource_provider, |
674 ResourceProvider::ResourceId resource_id) | 702 ResourceProvider::ResourceId resource_id) |
675 : resource_provider_(resource_provider), | 703 : resource_provider_(resource_provider), |
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701 : output_surface_(output_surface), | 729 : output_surface_(output_surface), |
702 lost_output_surface_(false), | 730 lost_output_surface_(false), |
703 highp_threshold_min_(highp_threshold_min), | 731 highp_threshold_min_(highp_threshold_min), |
704 next_id_(1), | 732 next_id_(1), |
705 next_child_(1), | 733 next_child_(1), |
706 default_resource_type_(InvalidType), | 734 default_resource_type_(InvalidType), |
707 use_texture_storage_ext_(false), | 735 use_texture_storage_ext_(false), |
708 use_texture_usage_hint_(false), | 736 use_texture_usage_hint_(false), |
709 use_shallow_flush_(false), | 737 use_shallow_flush_(false), |
710 max_texture_size_(0), | 738 max_texture_size_(0), |
711 best_texture_format_(0) { | 739 best_texture_format_(RGBA_8888) { |
712 DCHECK(output_surface_->HasClient()); | 740 DCHECK(output_surface_->HasClient()); |
713 } | 741 } |
714 | 742 |
715 void ResourceProvider::InitializeSoftware() { | 743 void ResourceProvider::InitializeSoftware() { |
716 DCHECK(thread_checker_.CalledOnValidThread()); | 744 DCHECK(thread_checker_.CalledOnValidThread()); |
717 DCHECK_NE(Bitmap, default_resource_type_); | 745 DCHECK_NE(Bitmap, default_resource_type_); |
718 | 746 |
719 CleanUpGLIfNeeded(); | 747 CleanUpGLIfNeeded(); |
720 | 748 |
721 default_resource_type_ = Bitmap; | 749 default_resource_type_ = Bitmap; |
722 max_texture_size_ = INT_MAX / 2; | 750 max_texture_size_ = INT_MAX / 2; |
723 best_texture_format_ = GL_RGBA; | 751 best_texture_format_ = RGBA_8888; |
724 } | 752 } |
725 | 753 |
726 bool ResourceProvider::InitializeGL() { | 754 bool ResourceProvider::InitializeGL() { |
727 DCHECK(thread_checker_.CalledOnValidThread()); | 755 DCHECK(thread_checker_.CalledOnValidThread()); |
728 DCHECK(!texture_uploader_); | 756 DCHECK(!texture_uploader_); |
729 DCHECK_NE(GLTexture, default_resource_type_); | 757 DCHECK_NE(GLTexture, default_resource_type_); |
730 | 758 |
731 WebGraphicsContext3D* context3d = Context3d(); | 759 WebGraphicsContext3D* context3d = Context3d(); |
732 DCHECK(context3d); | 760 DCHECK(context3d); |
733 | 761 |
734 if (!context3d->makeContextCurrent()) | 762 if (!context3d->makeContextCurrent()) |
735 return false; | 763 return false; |
736 | 764 |
737 default_resource_type_ = GLTexture; | 765 default_resource_type_ = GLTexture; |
738 | 766 |
739 const ContextProvider::Capabilities& caps = | 767 const ContextProvider::Capabilities& caps = |
740 output_surface_->context_provider()->ContextCapabilities(); | 768 output_surface_->context_provider()->ContextCapabilities(); |
741 | 769 |
742 bool use_map_sub = caps.map_sub; | 770 bool use_map_sub = caps.map_sub; |
743 bool use_bgra = caps.texture_format_bgra8888; | 771 bool use_bgra = caps.texture_format_bgra8888; |
744 use_texture_storage_ext_ = caps.texture_storage; | 772 use_texture_storage_ext_ = caps.texture_storage; |
745 use_shallow_flush_ = caps.shallow_flush; | 773 use_shallow_flush_ = caps.shallow_flush; |
746 use_texture_usage_hint_ = caps.texture_usage; | 774 use_texture_usage_hint_ = caps.texture_usage; |
747 | 775 |
748 texture_uploader_ = | 776 texture_uploader_ = |
749 TextureUploader::Create(context3d, use_map_sub, use_shallow_flush_); | 777 TextureUploader::Create(context3d, |
778 use_map_sub, | |
779 use_shallow_flush_); | |
750 GLC(context3d, context3d->getIntegerv(GL_MAX_TEXTURE_SIZE, | 780 GLC(context3d, context3d->getIntegerv(GL_MAX_TEXTURE_SIZE, |
751 &max_texture_size_)); | 781 &max_texture_size_)); |
752 best_texture_format_ = PlatformColor::BestTextureFormat(use_bgra); | 782 best_texture_format_ = PlatformColor::BestTextureFormat(use_bgra); |
753 | 783 |
754 return true; | 784 return true; |
755 } | 785 } |
756 | 786 |
757 void ResourceProvider::CleanUpGLIfNeeded() { | 787 void ResourceProvider::CleanUpGLIfNeeded() { |
758 WebGraphicsContext3D* context3d = Context3d(); | 788 WebGraphicsContext3D* context3d = Context3d(); |
759 if (default_resource_type_ != GLTexture) { | 789 if (default_resource_type_ != GLTexture) { |
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902 // deadlocks and/or security issues. The caller is responsible for | 932 // deadlocks and/or security issues. The caller is responsible for |
903 // waiting asynchronously, and resetting sync_point before calling this. | 933 // waiting asynchronously, and resetting sync_point before calling this. |
904 // However if the parent is a renderer (e.g. browser tag), it may be ok | 934 // However if the parent is a renderer (e.g. browser tag), it may be ok |
905 // (and is simpler) to wait. | 935 // (and is simpler) to wait. |
906 if (it->sync_point) | 936 if (it->sync_point) |
907 GLC(context3d, context3d->waitSyncPoint(it->sync_point)); | 937 GLC(context3d, context3d->waitSyncPoint(it->sync_point)); |
908 GLC(context3d, texture_id = context3d->createTexture()); | 938 GLC(context3d, texture_id = context3d->createTexture()); |
909 GLC(context3d, context3d->bindTexture(GL_TEXTURE_2D, texture_id)); | 939 GLC(context3d, context3d->bindTexture(GL_TEXTURE_2D, texture_id)); |
910 GLC(context3d, context3d->consumeTextureCHROMIUM(GL_TEXTURE_2D, | 940 GLC(context3d, context3d->consumeTextureCHROMIUM(GL_TEXTURE_2D, |
911 it->mailbox.name)); | 941 it->mailbox.name)); |
942 Format format = RGBA_8888; | |
943 switch (it->format) { | |
944 case 0: | |
enne (OOO)
2013/09/13 01:39:44
If somebody switched the enum order, this would br
kaanb
2013/09/13 03:43:56
reveman@ didn't like the static_cast
enne (OOO)
2013/09/13 03:53:25
I think static_cast + CHECK would be the cleanest,
reveman
2013/09/13 14:59:48
yes, it's the CHECK I want and I think a switch st
kaanb
2013/09/13 19:57:39
Done.
| |
945 format = RGBA_8888; | |
946 break; | |
947 case 1: | |
948 format = RGBA_4444; | |
949 break; | |
950 case 2: | |
951 format = BGRA_8888; | |
952 break; | |
953 case 3: | |
954 format = LUMINANCE_8; | |
955 break; | |
956 } | |
piman
2013/09/13 01:42:01
Why not make TransferableResource use ResourceProv
kaanb
2013/09/13 03:43:56
It looks like TransferableResource is part of an I
piman
2013/09/13 04:56:51
Sure, so, we should fix that.
Enums are fine to pa
reveman
2013/09/13 14:32:49
What's the proper way to check that enum values ar
kaanb
2013/09/13 19:57:39
I implemented reveman's suggestion for now. When c
| |
957 | |
912 ResourceId id = next_id_++; | 958 ResourceId id = next_id_++; |
913 Resource resource( | 959 Resource resource( |
914 texture_id, it->size, it->format, it->filter, 0, GL_CLAMP_TO_EDGE, | 960 texture_id, |
915 TextureUsageAny); | 961 it->size, |
962 it->filter, | |
963 0, | |
964 GL_CLAMP_TO_EDGE, | |
965 TextureUsageAny, | |
966 format); | |
916 resource.mailbox.SetName(it->mailbox); | 967 resource.mailbox.SetName(it->mailbox); |
917 // Don't allocate a texture for a child. | 968 // Don't allocate a texture for a child. |
918 resource.allocated = true; | 969 resource.allocated = true; |
919 resource.imported_count = 1; | 970 resource.imported_count = 1; |
920 resources_[id] = resource; | 971 resources_[id] = resource; |
921 child_info.parent_to_child_map[id] = it->id; | 972 child_info.parent_to_child_map[id] = it->id; |
922 child_info.child_to_parent_map[it->id] = id; | 973 child_info.child_to_parent_map[it->id] = id; |
923 } | 974 } |
924 } | 975 } |
925 | 976 |
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957 | 1008 |
958 void ResourceProvider::TransferResource(WebGraphicsContext3D* context, | 1009 void ResourceProvider::TransferResource(WebGraphicsContext3D* context, |
959 ResourceId id, | 1010 ResourceId id, |
960 TransferableResource* resource) { | 1011 TransferableResource* resource) { |
961 Resource* source = GetResource(id); | 1012 Resource* source = GetResource(id); |
962 DCHECK(!source->locked_for_write); | 1013 DCHECK(!source->locked_for_write); |
963 DCHECK(!source->lock_for_read_count); | 1014 DCHECK(!source->lock_for_read_count); |
964 DCHECK(!source->external || (source->external && source->mailbox.IsValid())); | 1015 DCHECK(!source->external || (source->external && source->mailbox.IsValid())); |
965 DCHECK(source->allocated); | 1016 DCHECK(source->allocated); |
966 resource->id = id; | 1017 resource->id = id; |
967 resource->format = source->format; | |
968 resource->filter = source->filter; | 1018 resource->filter = source->filter; |
969 resource->size = source->size; | 1019 resource->size = source->size; |
1020 resource->format = source->texture_format; | |
970 | 1021 |
971 // TODO(skaslev) Implement this path for shared memory resources. | 1022 // TODO(skaslev) Implement this path for shared memory resources. |
972 DCHECK(!source->mailbox.IsSharedMemory()); | 1023 DCHECK(!source->mailbox.IsSharedMemory()); |
973 | 1024 |
974 if (!source->mailbox.IsTexture()) { | 1025 if (!source->mailbox.IsTexture()) { |
975 // This is a resource allocated by the compositor, we need to produce it. | 1026 // This is a resource allocated by the compositor, we need to produce it. |
976 // Don't set a sync point, the caller will do it. | 1027 // Don't set a sync point, the caller will do it. |
977 DCHECK(source->gl_id); | 1028 DCHECK(source->gl_id); |
978 GLC(context, context->bindTexture(GL_TEXTURE_2D, source->gl_id)); | 1029 GLC(context, context->bindTexture(GL_TEXTURE_2D, source->gl_id)); |
979 GLC(context, context->genMailboxCHROMIUM(resource->mailbox.name)); | 1030 GLC(context, context->genMailboxCHROMIUM(resource->mailbox.name)); |
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996 DCHECK(!resource->image_id); | 1047 DCHECK(!resource->image_id); |
997 | 1048 |
998 if (resource->type == GLTexture) { | 1049 if (resource->type == GLTexture) { |
999 WebGraphicsContext3D* context3d = Context3d(); | 1050 WebGraphicsContext3D* context3d = Context3d(); |
1000 DCHECK(context3d); | 1051 DCHECK(context3d); |
1001 if (!resource->gl_pixel_buffer_id) | 1052 if (!resource->gl_pixel_buffer_id) |
1002 resource->gl_pixel_buffer_id = context3d->createBuffer(); | 1053 resource->gl_pixel_buffer_id = context3d->createBuffer(); |
1003 context3d->bindBuffer( | 1054 context3d->bindBuffer( |
1004 GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, | 1055 GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, |
1005 resource->gl_pixel_buffer_id); | 1056 resource->gl_pixel_buffer_id); |
1057 size_t bytes_per_pixel = BytesPerPixel(resource->texture_format); | |
1006 context3d->bufferData( | 1058 context3d->bufferData( |
1007 GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, | 1059 GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, |
1008 4 * resource->size.GetArea(), | 1060 bytes_per_pixel * resource->size.GetArea(), |
1009 NULL, | 1061 NULL, |
1010 GL_DYNAMIC_DRAW); | 1062 GL_DYNAMIC_DRAW); |
1011 context3d->bindBuffer(GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, 0); | 1063 context3d->bindBuffer(GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, 0); |
1012 } | 1064 } |
1013 | 1065 |
1014 if (resource->pixels) { | 1066 if (resource->pixels) { |
1015 if (resource->pixel_buffer) | 1067 if (resource->pixel_buffer) |
1016 return; | 1068 return; |
1017 | 1069 |
1018 resource->pixel_buffer = new uint8_t[4 * resource->size.GetArea()]; | 1070 resource->pixel_buffer = new uint8_t[4 * resource->size.GetArea()]; |
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1169 DCHECK(resource->gl_pixel_buffer_id); | 1221 DCHECK(resource->gl_pixel_buffer_id); |
1170 context3d->bindTexture(GL_TEXTURE_2D, resource->gl_id); | 1222 context3d->bindTexture(GL_TEXTURE_2D, resource->gl_id); |
1171 context3d->bindBuffer( | 1223 context3d->bindBuffer( |
1172 GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, | 1224 GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, |
1173 resource->gl_pixel_buffer_id); | 1225 resource->gl_pixel_buffer_id); |
1174 if (!resource->gl_upload_query_id) | 1226 if (!resource->gl_upload_query_id) |
1175 resource->gl_upload_query_id = context3d->createQueryEXT(); | 1227 resource->gl_upload_query_id = context3d->createQueryEXT(); |
1176 context3d->beginQueryEXT( | 1228 context3d->beginQueryEXT( |
1177 GL_ASYNC_PIXEL_UNPACK_COMPLETED_CHROMIUM, | 1229 GL_ASYNC_PIXEL_UNPACK_COMPLETED_CHROMIUM, |
1178 resource->gl_upload_query_id); | 1230 resource->gl_upload_query_id); |
1231 DCHECK(resource->texture_format != RGBA_4444 || | |
1232 (resource->size.width() % 2) == 0); | |
1179 if (allocate) { | 1233 if (allocate) { |
1180 context3d->asyncTexImage2DCHROMIUM(GL_TEXTURE_2D, | 1234 context3d->asyncTexImage2DCHROMIUM( |
1181 0, /* level */ | 1235 GL_TEXTURE_2D, |
1182 resource->format, | 1236 0, /* level */ |
1183 resource->size.width(), | 1237 GetGLInternalFormat(resource->texture_format), |
1184 resource->size.height(), | 1238 resource->size.width(), |
1185 0, /* border */ | 1239 resource->size.height(), |
1186 resource->format, | 1240 0, /* border */ |
1187 GL_UNSIGNED_BYTE, | 1241 GetGLDataFormat(resource->texture_format), |
1188 NULL); | 1242 GetGLDataType(resource->texture_format), |
1243 NULL); | |
1189 } else { | 1244 } else { |
1190 context3d->asyncTexSubImage2DCHROMIUM(GL_TEXTURE_2D, | 1245 context3d->asyncTexSubImage2DCHROMIUM( |
1191 0, /* level */ | 1246 GL_TEXTURE_2D, |
1192 0, /* x */ | 1247 0, /* level */ |
1193 0, /* y */ | 1248 0, /* x */ |
1194 resource->size.width(), | 1249 0, /* y */ |
1195 resource->size.height(), | 1250 resource->size.width(), |
1196 resource->format, | 1251 resource->size.height(), |
1197 GL_UNSIGNED_BYTE, | 1252 GetGLDataFormat(resource->texture_format), |
1198 NULL); | 1253 GetGLDataType(resource->texture_format), |
1254 NULL); | |
1199 } | 1255 } |
1200 context3d->endQueryEXT(GL_ASYNC_PIXEL_UNPACK_COMPLETED_CHROMIUM); | 1256 context3d->endQueryEXT(GL_ASYNC_PIXEL_UNPACK_COMPLETED_CHROMIUM); |
1201 context3d->bindBuffer(GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, 0); | 1257 context3d->bindBuffer(GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM, 0); |
1202 } | 1258 } |
1203 | 1259 |
1204 if (resource->pixels) { | 1260 if (resource->pixels) { |
1205 DCHECK(!resource->mailbox.IsValid()); | 1261 DCHECK(!resource->mailbox.IsValid()); |
1206 DCHECK(resource->pixel_buffer); | 1262 DCHECK(resource->pixel_buffer); |
1207 DCHECK(resource->format == GL_RGBA); | 1263 DCHECK(resource->texture_format == RGBA_8888); |
1208 | 1264 |
1209 std::swap(resource->pixels, resource->pixel_buffer); | 1265 std::swap(resource->pixels, resource->pixel_buffer); |
1210 delete[] resource->pixel_buffer; | 1266 delete[] resource->pixel_buffer; |
1211 resource->pixel_buffer = NULL; | 1267 resource->pixel_buffer = NULL; |
1212 } | 1268 } |
1213 | 1269 |
1214 resource->pending_set_pixels = true; | 1270 resource->pending_set_pixels = true; |
1215 resource->set_pixels_completion_forced = false; | 1271 resource->set_pixels_completion_forced = false; |
1216 } | 1272 } |
1217 | 1273 |
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1303 void ResourceProvider::LazyAllocate(Resource* resource) { | 1359 void ResourceProvider::LazyAllocate(Resource* resource) { |
1304 DCHECK(resource); | 1360 DCHECK(resource); |
1305 LazyCreate(resource); | 1361 LazyCreate(resource); |
1306 | 1362 |
1307 DCHECK(resource->gl_id || resource->allocated); | 1363 DCHECK(resource->gl_id || resource->allocated); |
1308 if (resource->allocated || !resource->gl_id) | 1364 if (resource->allocated || !resource->gl_id) |
1309 return; | 1365 return; |
1310 resource->allocated = true; | 1366 resource->allocated = true; |
1311 WebGraphicsContext3D* context3d = Context3d(); | 1367 WebGraphicsContext3D* context3d = Context3d(); |
1312 gfx::Size& size = resource->size; | 1368 gfx::Size& size = resource->size; |
1313 GLenum format = resource->format; | 1369 Format format = resource->texture_format; |
1314 GLC(context3d, context3d->bindTexture(GL_TEXTURE_2D, resource->gl_id)); | 1370 GLC(context3d, context3d->bindTexture(GL_TEXTURE_2D, resource->gl_id)); |
1315 if (use_texture_storage_ext_ && IsTextureFormatSupportedForStorage(format)) { | 1371 if (use_texture_storage_ext_ && IsFormatSupportedForStorage(format)) { |
1316 GLenum storage_format = TextureToStorageFormat(format); | 1372 GLenum storage_format = TextureToStorageFormat(format); |
1317 GLC(context3d, context3d->texStorage2DEXT(GL_TEXTURE_2D, | 1373 GLC(context3d, context3d->texStorage2DEXT(GL_TEXTURE_2D, |
1318 1, | 1374 1, |
1319 storage_format, | 1375 storage_format, |
1320 size.width(), | 1376 size.width(), |
1321 size.height())); | 1377 size.height())); |
1322 } else { | 1378 } else { |
1323 GLC(context3d, context3d->texImage2D(GL_TEXTURE_2D, | 1379 GLC(context3d, context3d->texImage2D(GL_TEXTURE_2D, |
1324 0, | 1380 0, |
1325 format, | 1381 GetGLInternalFormat(format), |
1326 size.width(), | 1382 size.width(), |
1327 size.height(), | 1383 size.height(), |
1328 0, | 1384 0, |
1329 format, | 1385 GetGLDataFormat(format), |
1330 GL_UNSIGNED_BYTE, | 1386 GetGLDataType(format), |
1331 NULL)); | 1387 NULL)); |
1332 } | 1388 } |
1333 } | 1389 } |
1334 | 1390 |
1335 void ResourceProvider::EnableReadLockFences(ResourceProvider::ResourceId id, | 1391 void ResourceProvider::EnableReadLockFences(ResourceProvider::ResourceId id, |
1336 bool enable) { | 1392 bool enable) { |
1337 Resource* resource = GetResource(id); | 1393 Resource* resource = GetResource(id); |
1338 resource->enable_read_lock_fences = enable; | 1394 resource->enable_read_lock_fences = enable; |
1339 } | 1395 } |
1340 | 1396 |
1341 void ResourceProvider::AcquireImage(ResourceId id) { | 1397 void ResourceProvider::AcquireImage(ResourceId id) { |
1342 Resource* resource = GetResource(id); | 1398 Resource* resource = GetResource(id); |
1343 DCHECK(!resource->external); | 1399 DCHECK(!resource->external); |
1344 DCHECK_EQ(resource->exported_count, 0); | 1400 DCHECK_EQ(resource->exported_count, 0); |
1345 | 1401 |
1346 if (resource->type != GLTexture) | 1402 if (resource->type != GLTexture) |
1347 return; | 1403 return; |
1348 | 1404 |
1349 if (resource->image_id) | 1405 if (resource->image_id) |
1350 return; | 1406 return; |
1351 | 1407 |
1352 resource->allocated = true; | 1408 resource->allocated = true; |
1353 WebGraphicsContext3D* context3d = Context3d(); | 1409 WebGraphicsContext3D* context3d = Context3d(); |
1354 DCHECK(context3d); | 1410 DCHECK(context3d); |
1355 DCHECK_EQ(static_cast<GLenum>(GL_RGBA), resource->format); | 1411 DCHECK_EQ(RGBA_8888, resource->texture_format); |
1356 resource->image_id = context3d->createImageCHROMIUM( | 1412 resource->image_id = context3d->createImageCHROMIUM( |
1357 resource->size.width(), resource->size.height(), GL_RGBA8_OES); | 1413 resource->size.width(), resource->size.height(), GL_RGBA8_OES); |
1358 DCHECK(resource->image_id); | 1414 DCHECK(resource->image_id); |
1359 } | 1415 } |
1360 | 1416 |
1361 void ResourceProvider::ReleaseImage(ResourceId id) { | 1417 void ResourceProvider::ReleaseImage(ResourceId id) { |
1362 Resource* resource = GetResource(id); | 1418 Resource* resource = GetResource(id); |
1363 DCHECK(!resource->external); | 1419 DCHECK(!resource->external); |
1364 DCHECK_EQ(resource->exported_count, 0); | 1420 DCHECK_EQ(resource->exported_count, 0); |
1365 | 1421 |
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1425 GLint active_unit = 0; | 1481 GLint active_unit = 0; |
1426 context->getIntegerv(GL_ACTIVE_TEXTURE, &active_unit); | 1482 context->getIntegerv(GL_ACTIVE_TEXTURE, &active_unit); |
1427 return active_unit; | 1483 return active_unit; |
1428 } | 1484 } |
1429 | 1485 |
1430 WebKit::WebGraphicsContext3D* ResourceProvider::Context3d() const { | 1486 WebKit::WebGraphicsContext3D* ResourceProvider::Context3d() const { |
1431 ContextProvider* context_provider = output_surface_->context_provider(); | 1487 ContextProvider* context_provider = output_surface_->context_provider(); |
1432 return context_provider ? context_provider->Context3d() : NULL; | 1488 return context_provider ? context_provider->Context3d() : NULL; |
1433 } | 1489 } |
1434 | 1490 |
1491 size_t ResourceProvider::BytesPerPixel(Format format) { | |
1492 size_t components_per_pixel = 0; | |
1493 switch (format) { | |
1494 case RGBA_8888: | |
1495 case RGBA_4444: | |
1496 case BGRA_8888: | |
1497 components_per_pixel = 4; | |
1498 break; | |
1499 case LUMINANCE_8: | |
1500 components_per_pixel = 1; | |
1501 break; | |
1502 } | |
1503 size_t bits_per_component = 0; | |
1504 switch (format) { | |
1505 case RGBA_8888: | |
1506 case BGRA_8888: | |
1507 case LUMINANCE_8: | |
1508 bits_per_component = 8; | |
1509 break; | |
1510 case RGBA_4444: | |
1511 bits_per_component = 4; | |
1512 break; | |
1513 } | |
1514 const size_t kBitsPerByte = 8; | |
1515 return (components_per_pixel * bits_per_component) / kBitsPerByte; | |
1516 } | |
1517 | |
1518 GLenum ResourceProvider::GetGLDataType(Format format) { | |
1519 GLenum texture_data_type = GL_UNSIGNED_BYTE; | |
1520 switch (format) { | |
1521 case RGBA_4444: | |
1522 texture_data_type = GL_UNSIGNED_SHORT_4_4_4_4; | |
reveman
2013/09/13 14:32:49
nit: I'd remove the temporary variable and just "r
kaanb
2013/09/13 19:57:39
Done.
| |
1523 break; | |
1524 case RGBA_8888: | |
1525 case BGRA_8888: | |
1526 case LUMINANCE_8: | |
1527 texture_data_type = GL_UNSIGNED_BYTE; | |
1528 break; | |
1529 } | |
1530 return texture_data_type; | |
1531 } | |
1532 | |
1533 GLenum ResourceProvider::GetGLDataFormat(Format format) { | |
1534 GLenum data_format = GL_RGBA; | |
1535 switch (format) { | |
1536 case RGBA_8888: | |
1537 case RGBA_4444: | |
1538 data_format = GL_RGBA; | |
1539 break; | |
1540 case BGRA_8888: | |
1541 data_format = GL_BGRA_EXT; | |
1542 break; | |
1543 case LUMINANCE_8: | |
1544 data_format = GL_LUMINANCE; | |
1545 break; | |
1546 } | |
1547 return data_format; | |
1548 } | |
1549 | |
1550 GLenum ResourceProvider::GetGLInternalFormat(Format format) { | |
1551 return GetGLDataFormat(format); | |
1552 } | |
1553 | |
1554 unsigned ResourceProvider::GetStride(Format format) { | |
1555 unsigned stride = 4; | |
1556 switch (format) { | |
1557 case RGBA_4444: | |
1558 stride = 2; | |
1559 break; | |
1560 case RGBA_8888: | |
1561 case BGRA_8888: | |
1562 case LUMINANCE_8: | |
1563 stride = 4; | |
1564 break; | |
1565 } | |
1566 return stride; | |
1567 } | |
1568 | |
1435 } // namespace cc | 1569 } // namespace cc |
OLD | NEW |