code.vuplus.com Git - vuplus_webkit/blob - Source/ThirdParty/ANGLE/src/libGLESv2/ResourceManager.h

   1 //
   2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
   3 // Use of this source code is governed by a BSD-style license that can be
   4 // found in the LICENSE file.
   5 //
   6
   7 // ResourceManager.h : Defines the ResourceManager class, which tracks objects
   8 // shared by multiple GL contexts.
   9
  10 #ifndef LIBGLESV2_RESOURCEMANAGER_H_
  11 #define LIBGLESV2_RESOURCEMANAGER_H_
  12
  13 #define GL_APICALL
  14 #include <GLES2/gl2.h>
  15
  16 #include <hash_map>
  17
  18 #include "common/angleutils.h"
  19 #include "libGLESv2/HandleAllocator.h"
  20
  21 namespace gl
  22 {
  23 class Buffer;
  24 class Shader;
  25 class Program;
  26 class Texture;
  27 class Renderbuffer;
  28
  29 enum TextureType
  30 {
  31     TEXTURE_2D,
  32     TEXTURE_CUBE,
  33
  34     TEXTURE_TYPE_COUNT,
  35     TEXTURE_UNKNOWN
  36 };
  37
  38 enum SamplerType
  39 {
  40     SAMPLER_PIXEL,
  41     SAMPLER_VERTEX
  42 };
  43
  44 class ResourceManager
  45 {
  46   public:
  47     ResourceManager();
  48     ~ResourceManager();
  49
  50     void addRef();
  51     void release();
  52
  53     GLuint createBuffer();
  54     GLuint createShader(GLenum type);
  55     GLuint createProgram();
  56     GLuint createTexture();
  57     GLuint createRenderbuffer();
  58
  59     void deleteBuffer(GLuint buffer);
  60     void deleteShader(GLuint shader);
  61     void deleteProgram(GLuint program);
  62     void deleteTexture(GLuint texture);
  63     void deleteRenderbuffer(GLuint renderbuffer);
  64
  65     Buffer *getBuffer(GLuint handle);
  66     Shader *getShader(GLuint handle);
  67     Program *getProgram(GLuint handle);
  68     Texture *getTexture(GLuint handle);
  69     Renderbuffer *getRenderbuffer(GLuint handle);
  70
  71     void setRenderbuffer(GLuint handle, Renderbuffer *renderbuffer);
  72
  73     void checkBufferAllocation(unsigned int buffer);
  74     void checkTextureAllocation(GLuint texture, TextureType type);
  75     void checkRenderbufferAllocation(GLuint renderbuffer);
  76
  77   private:
  78     DISALLOW_COPY_AND_ASSIGN(ResourceManager);
  79
  80     std::size_t mRefCount;
  81
  82     typedef stdext::hash_map<GLuint, Buffer*> BufferMap;
  83     BufferMap mBufferMap;
  84     HandleAllocator mBufferHandleAllocator;
  85
  86     typedef stdext::hash_map<GLuint, Shader*> ShaderMap;
  87     ShaderMap mShaderMap;
  88
  89     typedef stdext::hash_map<GLuint, Program*> ProgramMap;
  90     ProgramMap mProgramMap;
  91     HandleAllocator mProgramShaderHandleAllocator;
  92
  93     typedef stdext::hash_map<GLuint, Texture*> TextureMap;
  94     TextureMap mTextureMap;
  95     HandleAllocator mTextureHandleAllocator;
  96
  97     typedef stdext::hash_map<GLuint, Renderbuffer*> RenderbufferMap;
  98     RenderbufferMap mRenderbufferMap;
  99     HandleAllocator mRenderbufferHandleAllocator;
 100 };
 101
 102 }
 103
 104 #endif // LIBGLESV2_RESOURCEMANAGER_H_