1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // ResourceManager.h : Defines the ResourceManager class, which tracks objects 16 // shared by multiple GL contexts. 17 18 #ifndef LIBGLES_CM_RESOURCEMANAGER_H_ 19 #define LIBGLES_CM_RESOURCEMANAGER_H_ 20 21 #include "common/NameSpace.hpp" 22 23 #include <GLES/gl.h> 24 25 #include <map> 26 27 namespace es1 28 { 29 class Buffer; 30 class Texture; 31 class Renderbuffer; 32 33 enum TextureType 34 { 35 TEXTURE_2D, 36 TEXTURE_EXTERNAL, 37 38 TEXTURE_TYPE_COUNT, 39 TEXTURE_UNKNOWN 40 }; 41 42 class ResourceManager 43 { 44 public: 45 ResourceManager(); 46 ~ResourceManager(); 47 48 void addRef(); 49 void release(); 50 51 GLuint createBuffer(); 52 GLuint createTexture(); 53 GLuint createRenderbuffer(); 54 55 void deleteBuffer(GLuint buffer); 56 void deleteTexture(GLuint texture); 57 void deleteRenderbuffer(GLuint renderbuffer); 58 59 Buffer *getBuffer(GLuint handle); 60 Texture *getTexture(GLuint handle); 61 Renderbuffer *getRenderbuffer(GLuint handle); 62 63 void checkBufferAllocation(unsigned int buffer); 64 void checkTextureAllocation(GLuint texture, TextureType type); 65 void checkRenderbufferAllocation(GLuint handle); 66 67 private: 68 std::size_t mRefCount; 69 70 gl::NameSpace<Buffer> mBufferNameSpace; 71 gl::NameSpace<Texture> mTextureNameSpace; 72 gl::NameSpace<Renderbuffer> mRenderbufferNameSpace; 73 }; 74 75 } 76 77 #endif // LIBGLES_CM_RESOURCEMANAGER_H_ 78