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 3 // found in the LICENSE file. 4 5 #ifndef CC_RESOURCES_RESOURCE_H_ 6 #define CC_RESOURCES_RESOURCE_H_ 7 8 #include "cc/base/cc_export.h" 9 #include "cc/resources/resource_provider.h" 10 #include "third_party/khronos/GLES2/gl2.h" 11 #include "ui/gfx/size.h" 12 13 namespace cc { 14 15 class CC_EXPORT Resource { 16 public: Resource()17 Resource() : id_(0) {} Resource(unsigned id,const gfx::Size & size,ResourceFormat format)18 Resource(unsigned id, const gfx::Size& size, ResourceFormat format) 19 : id_(id), 20 size_(size), 21 format_(format) {} 22 id()23 ResourceProvider::ResourceId id() const { return id_; } size()24 gfx::Size size() const { return size_; } format()25 ResourceFormat format() const { return format_; } 26 size_t bytes() const; 27 MemorySizeBytes(const gfx::Size & size,ResourceFormat format)28 inline static size_t MemorySizeBytes(const gfx::Size& size, 29 ResourceFormat format) { 30 DCHECK_EQ(0u, (BitsPerPixel(format) * size.width() * size.height()) % 8); 31 return (BitsPerPixel(format) * size.width() * size.height()) / 8; 32 } 33 34 protected: set_id(ResourceProvider::ResourceId id)35 void set_id(ResourceProvider::ResourceId id) { id_ = id; } set_dimensions(const gfx::Size & size,ResourceFormat format)36 void set_dimensions(const gfx::Size& size, ResourceFormat format) { 37 size_ = size; 38 format_ = format; 39 } 40 41 private: 42 ResourceProvider::ResourceId id_; 43 gfx::Size size_; 44 ResourceFormat format_; 45 46 DISALLOW_COPY_AND_ASSIGN(Resource); 47 }; 48 49 } // namespace cc 50 51 #endif // CC_RESOURCES_RESOURCE_H_ 52