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Move FlutterBackingStorePresentInfo into FlutterBackingStore
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| // Copyright 2013 The Flutter Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #include "flutter/shell/platform/embedder/embedder_backing_store.h" | ||
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| namespace flutter { | ||
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| bool EmbedderBackingStore::SetPresetInfo(FlutterBackingStorePresentInfo* info) { | ||
| if (backing_store_.struct_size == sizeof(FlutterBackingStoreVersion2)) { | ||
| version2_.present_info = info; | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
| } // namespace flutter |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // Copyright 2013 The Flutter Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #ifndef FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_BACKING_STORE_H_ | ||
| #define FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_BACKING_STORE_H_ | ||
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| #include "flutter/shell/platform/embedder/embedder.h" | ||
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| namespace flutter { | ||
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| typedef struct { | ||
| /// The size of this struct. Must be sizeof(FlutterBackingStore). | ||
| size_t struct_size; | ||
| /// A baton that is not interpreted by the engine in any way. The embedder may | ||
| /// use this to associate resources that are tied to the lifecycle of the | ||
| /// `FlutterBackingStore`. | ||
| void* user_data; | ||
| /// Specifies the type of backing store. | ||
| FlutterBackingStoreType type; | ||
| /// Indicates if this backing store was updated since the last time it was | ||
| /// associated with a presented layer. | ||
| bool did_update; | ||
| union { | ||
| /// The description of the OpenGL backing store. | ||
| FlutterOpenGLBackingStore open_gl; | ||
| /// The description of the software backing store. | ||
| FlutterSoftwareBackingStore software; | ||
| /// The description of the software backing store. | ||
| FlutterSoftwareBackingStore2 software2; | ||
| // The description of the Metal backing store. | ||
| FlutterMetalBackingStore metal; | ||
| // The description of the Vulkan backing store. | ||
| FlutterVulkanBackingStore vulkan; | ||
| }; | ||
| } FlutterBackingStoreVersion1; | ||
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| typedef FlutterBackingStore FlutterBackingStoreVersion2; | ||
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| /// Wrapper around FlutterBackingStore that handles different versions of the | ||
| /// struct. | ||
| class EmbedderBackingStore { | ||
| public: | ||
| EmbedderBackingStore() { | ||
| // By default assume the oldest version of backing store. Embedder can | ||
| // override this by setting the struct_size field. | ||
| backing_store_ = { | ||
| .struct_size = sizeof(FlutterBackingStoreVersion1), | ||
| }; | ||
| } | ||
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| bool IsValid() const { | ||
| return backing_store_.struct_size == sizeof(FlutterBackingStoreVersion1) || | ||
| backing_store_.struct_size == sizeof(FlutterBackingStoreVersion2); | ||
| } | ||
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| FlutterBackingStoreType type() const { return version1_.type; } | ||
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| const FlutterOpenGLBackingStore& open_gl() const { return version1_.open_gl; } | ||
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| const FlutterSoftwareBackingStore& software() const { | ||
| return version1_.software; | ||
| } | ||
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| const FlutterSoftwareBackingStore2& software2() const { | ||
| return version1_.software2; | ||
| } | ||
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| const FlutterMetalBackingStore& metal() const { return version1_.metal; } | ||
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| const FlutterVulkanBackingStore& vulkan() const { return version1_.vulkan; } | ||
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| void SetDidUpdate(bool did_update) { version1_.did_update = true; } | ||
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| bool SetPresetInfo(FlutterBackingStorePresentInfo* info); | ||
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| /// Returns pointer to the backing store. This is intentionally opaque to | ||
| /// prevent embedder from accessing the fields directly and is meant for | ||
| /// passing back to the embedder client. | ||
| void* GetBackingStorePointer() { return &backing_store_; } | ||
| const void* GetBackingStorePointer() const { return &backing_store_; } | ||
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| private: | ||
| union { | ||
| size_t struct_size_; | ||
| FlutterBackingStoreVersion1 version1_; | ||
| FlutterBackingStoreVersion2 version2_; | ||
| FlutterBackingStore backing_store_; | ||
| }; | ||
| }; | ||
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| } // namespace flutter | ||
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| #endif // FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_BACKING_STORE_H_ |
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