kc3-lang/angle/src/libGLESv2/utilities.h

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• Hash : d8e3656a
  Author :
  Date : 2012-10-31T19:52:19
  

  Moves portions of utilities specific to D3D9 to the Renderer's domain
  
  TRAC #21931
  
  Signed-off-by: Daniel Koch
  
  Author:    Shannon Woods
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1376 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/utilities.h

• //
  // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // utilities.h: Conversion functions and other utility routines.
  
  #ifndef LIBGLESV2_UTILITIES_H
  #define LIBGLESV2_UTILITIES_H
  
  #define GL_APICALL
  #include <GLES2/gl2.h>
  #include <GLES2/gl2ext.h>
  #include <d3d9.h>
  
  #include <string>
  
  namespace gl
  {
  
  struct Color;
  
  int UniformExternalComponentCount(GLenum type);
  int UniformInternalComponentCount(GLenum type);
  GLenum UniformComponentType(GLenum type);
  size_t UniformInternalSize(GLenum type);
  size_t UniformExternalSize(GLenum type);
  int VariableRowCount(GLenum type);
  int VariableColumnCount(GLenum type);
  
  int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);
  
  void MakeValidSize(bool isImage, bool isCompressed, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset);
  int ComputePixelSize(GLint internalformat);
  GLsizei ComputePitch(GLsizei width, GLint internalformat, GLint alignment);
  GLsizei ComputeCompressedPitch(GLsizei width, GLenum format);
  GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format);
  bool IsCompressed(GLenum format);
  bool IsDepthTexture(GLenum format);
  bool IsStencilTexture(GLenum format);
  bool IsCubemapTextureTarget(GLenum target);
  bool IsInternalTextureTarget(GLenum target);
  GLint ConvertSizedInternalFormat(GLenum format, GLenum type);
  GLenum ExtractFormat(GLenum internalformat);
  GLenum ExtractType(GLenum internalformat);
  
  bool IsColorRenderable(GLenum internalformat);
  bool IsDepthRenderable(GLenum internalformat);
  bool IsStencilRenderable(GLenum internalformat);
  
  bool IsFloat32Format(GLint internalformat);
  bool IsFloat16Format(GLint internalformat);
  
  GLuint GetAlphaSize(GLenum colorFormat);
  GLuint GetRedSize(GLenum colorFormat);
  GLuint GetGreenSize(GLenum colorFormat);
  GLuint GetBlueSize(GLenum colorFormat);
  GLuint GetDepthSize(GLenum depthFormat);
  GLuint GetStencilSize(GLenum stencilFormat);
  }
  
  std::string getTempPath();
  void writeFile(const char* path, const void* data, size_t size);
  
  inline bool isDeviceLostError(HRESULT errorCode)
  {
      switch (errorCode)
      {
        case D3DERR_DRIVERINTERNALERROR:
        case D3DERR_DEVICELOST:
        case D3DERR_DEVICEHUNG:
        case D3DERR_DEVICEREMOVED:
          return true;
        default:
          return false;
      }
  };
  
  #endif  // LIBGLESV2_UTILITIES_H
  

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