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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #ifndef GrGpuResource_DEFINED | 8 #ifndef GrGpuResource_DEFINED |
| 9 #define GrGpuResource_DEFINED | 9 #define GrGpuResource_DEFINED |
| 10 | 10 |
| 11 #include "GrResourceKey.h" | 11 #include "GrResourceKey.h" |
| 12 #include "GrTypesPriv.h" | 12 #include "GrTypesPriv.h" |
| 13 #include "SkInstCnt.h" | 13 #include "SkInstCnt.h" |
| 14 #include "SkTInternalLList.h" | 14 #include "SkTInternalLList.h" |
| 15 | 15 |
| 16 class GrContext; | 16 class GrContext; |
| 17 class GrGpu; | 17 class GrGpu; |
| 18 class GrResourceCache2; | 18 class GrResourceCache2; |
| 19 class GrResourceCacheEntry; | |
| 20 | 19 |
| 21 /** | 20 /** |
| 22 * Base class for GrGpuResource. Handles the various types of refs we need. Sepa
rated out as a base | 21 * Base class for GrGpuResource. Handles the various types of refs we need. Sepa
rated out as a base |
| 23 * class to isolate the ref-cnting behavior and provide friendship without expos
ing all of | 22 * class to isolate the ref-cnting behavior and provide friendship without expos
ing all of |
| 24 * GrGpuResource. | 23 * GrGpuResource. |
| 25 * | 24 * |
| 26 * Gpu resources can have three types of refs: | 25 * Gpu resources can have three types of refs: |
| 27 * 1) Normal ref (+ by ref(), - by unref()): These are used by code that is is
suing draw calls | 26 * 1) Normal ref (+ by ref(), - by unref()): These are used by code that is is
suing draw calls |
| 28 * that read and write the resource via GrDrawTarget and by any object that
must own a | 27 * that read and write the resource via GrDrawTarget and by any object that
must own a |
| 29 * GrGpuResource and is itself owned (directly or indirectly) by Skia-clien
t code. | 28 * GrGpuResource and is itself owned (directly or indirectly) by Skia-clien
t code. |
| (...skipping 89 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 119 mutable int32_t fPendingWrites; | 118 mutable int32_t fPendingWrites; |
| 120 | 119 |
| 121 // This class is used to manage conversion of refs to pending reads/writes. | 120 // This class is used to manage conversion of refs to pending reads/writes. |
| 122 friend class GrGpuResourceRef; | 121 friend class GrGpuResourceRef; |
| 123 friend class GrResourceCache2; // to check IO ref counts. | 122 friend class GrResourceCache2; // to check IO ref counts. |
| 124 | 123 |
| 125 template <typename, GrIOType> friend class GrPendingIOResource; | 124 template <typename, GrIOType> friend class GrPendingIOResource; |
| 126 }; | 125 }; |
| 127 | 126 |
| 128 /** | 127 /** |
| 129 * Base class for objects that can be kept in the GrResourceCache. | 128 * Base class for objects that can be kept in the GrResourceCache2. |
| 130 */ | 129 */ |
| 131 class SK_API GrGpuResource : public GrIORef<GrGpuResource> { | 130 class SK_API GrGpuResource : public GrIORef<GrGpuResource> { |
| 132 public: | 131 public: |
| 133 SK_DECLARE_INST_COUNT(GrGpuResource) | 132 SK_DECLARE_INST_COUNT(GrGpuResource) |
| 134 | 133 |
| 135 /** | 134 /** |
| 136 * Frees the object in the underlying 3D API. It must be safe to call this | 135 * Frees the object in the underlying 3D API. It must be safe to call this |
| 137 * when the object has been previously abandoned. | 136 * when the object has been previously abandoned. |
| 138 */ | 137 */ |
| 139 void release(); | 138 void release(); |
| (...skipping 110 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 250 * Lifetime management is left up to the user (i.e., we will not | 249 * Lifetime management is left up to the user (i.e., we will not |
| 251 * free it). | 250 * free it). |
| 252 */ | 251 */ |
| 253 kWrapped_FlagBit = 0x1, | 252 kWrapped_FlagBit = 0x1, |
| 254 }; | 253 }; |
| 255 | 254 |
| 256 static const size_t kInvalidGpuMemorySize = ~static_cast<size_t>(0); | 255 static const size_t kInvalidGpuMemorySize = ~static_cast<size_t>(0); |
| 257 | 256 |
| 258 uint32_t fFlags; | 257 uint32_t fFlags; |
| 259 | 258 |
| 260 GrResourceCacheEntry* fCacheEntry; // NULL if not in cache | |
| 261 mutable size_t fGpuMemorySize; | 259 mutable size_t fGpuMemorySize; |
| 262 const uint32_t fUniqueID; | 260 const uint32_t fUniqueID; |
| 263 | 261 |
| 264 // TODO(bsalomon): Remove GrResourceKey and use different simpler types for
content and scratch | 262 // TODO(bsalomon): Remove GrResourceKey and use different simpler types for
content and scratch |
| 265 // keys. | 263 // keys. |
| 266 GrResourceKey fScratchKey; | 264 GrResourceKey fScratchKey; |
| 267 GrResourceKey fContentKey; | 265 GrResourceKey fContentKey; |
| 268 bool fContentKeySet; | 266 bool fContentKeySet; |
| 269 | 267 |
| 270 typedef GrIORef<GrGpuResource> INHERITED; | 268 typedef GrIORef<GrGpuResource> INHERITED; |
| 271 friend class GrIORef<GrGpuResource>; // to access notifyIsPurgable. | 269 friend class GrIORef<GrGpuResource>; // to access notifyIsPurgable. |
| 272 }; | 270 }; |
| 273 | 271 |
| 274 #endif | 272 #endif |
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