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

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• Hash : 4f267868
  Author :
  Date : 2014-04-17T15:53:37
  

  Fix Linux build.
  
  We were missing several header includes necessary for GCC. Also our
  static assert macro had a bug, preventing us from using the same
  assert in multiple places.
  
  BUG=angle:568
  
  Change-Id: I01bcdef033a9380f436cbf4bd2a9f11b1553887c
  Reviewed-on: https://chromium-review.googlesource.com/195471
  Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

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• src/common/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
  
  #ifndef GL_APICALL
  #define GL_APICALL
  #endif
  #include <GLES3/gl3.h>
  #include <GLES3/gl3ext.h>
  #include <GLES2/gl2.h>
  #include <GLES2/gl2ext.h>
  
  #include <string>
  #include <math.h>
  
  namespace gl
  {
  
  int UniformComponentCount(GLenum type);
  GLenum UniformComponentType(GLenum type);
  size_t UniformComponentSize(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 IsSampler(GLenum type);
  bool IsMatrixType(GLenum type);
  GLenum TransposeMatrixType(GLenum type);
  int AttributeRegisterCount(GLenum type);
  int MatrixRegisterCount(GLenum type, bool isRowMajorMatrix);
  int MatrixComponentCount(GLenum type, bool isRowMajorMatrix);
  
  int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);
  
  bool IsCubemapTextureTarget(GLenum target);
  bool IsInternalTextureTarget(GLenum target, GLuint clientVersion);
  
  bool IsTriangleMode(GLenum drawMode);
  
  // [OpenGL ES 3.0.2] Section 2.3.1 page 14
  // Data Conversion For State-Setting Commands
  // Floating-point values are rounded to the nearest integer, instead of truncated, as done by static_cast.
  template <typename outT> outT iround(GLfloat value) { return static_cast<outT>(value > 0.0f ? floor(value + 0.5f) : ceil(value - 0.5f)); }
  template <typename outT> outT uiround(GLfloat value) { return static_cast<outT>(value + 0.5f); }
  
  }
  
  std::string getTempPath();
  void writeFile(const char* path, const void* data, size_t size);
  
  #endif  // LIBGLESV2_UTILITIES_H
  

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