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

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• Author : shannon.woods%transgaming.com@gtempaccount.com
  Date : 2013-04-13 03:45:17
  Hash : 875994b3
  Message : Implemented 3D texture entry points. TRAC #22705 Signed-off-by: Jamie Madill Signed-off-by: Shannon Woods Author: Geoff Lang git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2172 736b8ea6-26fd-11df-bfd4-992fa37f6226

• src/libGLESv2/utilities.h

• //
  // Copyright (c) 2002-2013 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 <GLES3/gl3.h>
  #include <GLES3/gl3ext.h>
  #include <GLES2/gl2.h>
  #include <GLES2/gl2ext.h>
  
  #include <string>
  
  namespace gl
  {
  
  struct Color;
  
  int UniformComponentCount(GLenum type);
  GLenum UniformComponentType(GLenum type);
  size_t UniformInternalSize(GLenum type);
  size_t UniformExternalSize(GLenum type);
  GLenum UniformBoolVectorType(GLenum type);
  int VariableRowCount(GLenum type);
  int VariableColumnCount(GLenum type);
  bool IsMatrixType(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 ComputeRowPitch(GLsizei width, GLint internalformat, GLint alignment);
  GLsizei ComputeDepthPitch(GLsizei width, GLsizei height, GLint internalformat, GLint alignment);
  GLsizei ComputeCompressedRowPitch(GLsizei width, GLenum format);
  GLsizei ComputeCompressedDepthPitch(GLsizei width, GLsizei height, 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);
  bool IsTriangleMode(GLenum drawMode);
  
  bool IsValidES3FormatCombination(GLint internalformat, GLenum format, GLenum type, GLenum* err);
  bool IsValidES3CompressedFormat(GLenum format);
  bool IsValidES3CopyTexImageCombination(GLenum textureFormat, GLenum frameBufferFormat);
  
  }
  
  std::string getTempPath();
  void writeFile(const char* path, const void* data, size_t size);
  
  #endif  // LIBGLESV2_UTILITIES_H