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: 17 Resource() : id_(0) {} 18 Resource(unsigned id, gfx::Size size, ResourceFormat format) 19 : id_(id), 20 size_(size), 21 format_(format) {} 22 23 ResourceProvider::ResourceId id() const { return id_; } 24 gfx::Size size() const { return size_; } 25 ResourceFormat format() const { return format_; } 26 size_t bytes() const; 27 28 inline static size_t MemorySizeBytes(gfx::Size size, ResourceFormat format) { 29 DCHECK_EQ(0u, (BitsPerPixel(format) * size.width() * size.height()) % 8); 30 return (BitsPerPixel(format) * size.width() * size.height()) / 8; 31 } 32 33 protected: 34 void set_id(ResourceProvider::ResourceId id) { id_ = id; } 35 void set_dimensions(gfx::Size size, ResourceFormat format) { 36 size_ = size; 37 format_ = format; 38 } 39 40 private: 41 ResourceProvider::ResourceId id_; 42 gfx::Size size_; 43 ResourceFormat format_; 44 45 DISALLOW_COPY_AND_ASSIGN(Resource); 46 }; 47 48 } // namespace cc 49 50 #endif // CC_RESOURCES_RESOURCE_H_ 51
