michael@0: //
michael@0: // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // ResourceManager.h : Defines the ResourceManager class, which tracks objects
michael@0: // shared by multiple GL contexts.
michael@0: 
michael@0: #ifndef LIBGLESV2_RESOURCEMANAGER_H_
michael@0: #define LIBGLESV2_RESOURCEMANAGER_H_
michael@0: 
michael@0: #define GL_APICALL
michael@0: #include <GLES2/gl2.h>
michael@0: 
michael@0: #ifdef _MSC_VER
michael@0: #include <hash_map>
michael@0: #else
michael@0: #include <unordered_map>
michael@0: #endif
michael@0: 
michael@0: #include "common/angleutils.h"
michael@0: #include "libGLESv2/angletypes.h"
michael@0: #include "libGLESv2/HandleAllocator.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: class Renderer;
michael@0: }
michael@0: 
michael@0: namespace gl
michael@0: {
michael@0: class Buffer;
michael@0: class Shader;
michael@0: class Program;
michael@0: class Texture;
michael@0: class Renderbuffer;
michael@0: 
michael@0: class ResourceManager
michael@0: {
michael@0:   public:
michael@0:     explicit ResourceManager(rx::Renderer *renderer);
michael@0:     ~ResourceManager();
michael@0: 
michael@0:     void addRef();
michael@0:     void release();
michael@0: 
michael@0:     GLuint createBuffer();
michael@0:     GLuint createShader(GLenum type);
michael@0:     GLuint createProgram();
michael@0:     GLuint createTexture();
michael@0:     GLuint createRenderbuffer();
michael@0: 
michael@0:     void deleteBuffer(GLuint buffer);
michael@0:     void deleteShader(GLuint shader);
michael@0:     void deleteProgram(GLuint program);
michael@0:     void deleteTexture(GLuint texture);
michael@0:     void deleteRenderbuffer(GLuint renderbuffer);
michael@0: 
michael@0:     Buffer *getBuffer(GLuint handle);
michael@0:     Shader *getShader(GLuint handle);
michael@0:     Program *getProgram(GLuint handle);
michael@0:     Texture *getTexture(GLuint handle);
michael@0:     Renderbuffer *getRenderbuffer(GLuint handle);
michael@0:     
michael@0:     void setRenderbuffer(GLuint handle, Renderbuffer *renderbuffer);
michael@0: 
michael@0:     void checkBufferAllocation(unsigned int buffer);
michael@0:     void checkTextureAllocation(GLuint texture, TextureType type);
michael@0:     void checkRenderbufferAllocation(GLuint renderbuffer);
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(ResourceManager);
michael@0: 
michael@0:     std::size_t mRefCount;
michael@0:     rx::Renderer *mRenderer;
michael@0: 
michael@0: #ifndef HASH_MAP
michael@0: # ifdef _MSC_VER
michael@0: #  define HASH_MAP stdext::hash_map
michael@0: # else
michael@0: #  define HASH_MAP std::unordered_map
michael@0: # endif
michael@0: #endif
michael@0: 
michael@0:     typedef HASH_MAP<GLuint, Buffer*> BufferMap;
michael@0:     BufferMap mBufferMap;
michael@0:     HandleAllocator mBufferHandleAllocator;
michael@0: 
michael@0:     typedef HASH_MAP<GLuint, Shader*> ShaderMap;
michael@0:     ShaderMap mShaderMap;
michael@0: 
michael@0:     typedef HASH_MAP<GLuint, Program*> ProgramMap;
michael@0:     ProgramMap mProgramMap;
michael@0:     HandleAllocator mProgramShaderHandleAllocator;
michael@0: 
michael@0:     typedef HASH_MAP<GLuint, Texture*> TextureMap;
michael@0:     TextureMap mTextureMap;
michael@0:     HandleAllocator mTextureHandleAllocator;
michael@0: 
michael@0:     typedef HASH_MAP<GLuint, Renderbuffer*> RenderbufferMap;
michael@0:     RenderbufferMap mRenderbufferMap;
michael@0:     HandleAllocator mRenderbufferHandleAllocator;
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif // LIBGLESV2_RESOURCEMANAGER_H_