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

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• Hash : 8957b6c0
  Author :
  Date : 2017-11-14T12:40:38
  

  Add perf test for ushort DrawElements.
  
  The code path in the D3D11 back-end is sigificantly different for
  unsigned short indices vs unsigned int. Because of the workaround we
  have for the primitive restart index in D3D11, ushort rendering can
  be slower.
  
  BUG=angleproject:2229
  
  Change-Id: I303dcc55b0314ec45508044995ba47b250cbb87d
  Reviewed-on: https://chromium-review.googlesource.com/767149
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: 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 COMMON_UTILITIES_H_
  #define COMMON_UTILITIES_H_
  
  #include <EGL/egl.h>
  #include <EGL/eglext.h>
  
  #include <math.h>
  #include <string>
  #include <vector>
  #include "angle_gl.h"
  
  #include "common/mathutil.h"
  
  namespace gl
  {
  
  int VariableComponentCount(GLenum type);
  GLenum VariableComponentType(GLenum type);
  size_t VariableComponentSize(GLenum type);
  size_t VariableInternalSize(GLenum type);
  size_t VariableExternalSize(GLenum type);
  int VariableRowCount(GLenum type);
  int VariableColumnCount(GLenum type);
  bool IsSamplerType(GLenum type);
  bool IsImageType(GLenum type);
  bool IsAtomicCounterType(GLenum type);
  bool IsOpaqueType(GLenum type);
  GLenum SamplerTypeToTextureType(GLenum samplerType);
  bool IsMatrixType(GLenum type);
  GLenum TransposeMatrixType(GLenum type);
  int VariableRegisterCount(GLenum type);
  int MatrixRegisterCount(GLenum type, bool isRowMajorMatrix);
  int MatrixComponentCount(GLenum type, bool isRowMajorMatrix);
  int VariableSortOrder(GLenum type);
  GLenum VariableBoolVectorType(GLenum type);
  
  int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);
  
  static const GLenum FirstCubeMapTextureTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X;
  static const GLenum LastCubeMapTextureTarget = GL_TEXTURE_CUBE_MAP_NEGATIVE_Z;
  bool IsCubeMapTextureTarget(GLenum target);
  size_t CubeMapTextureTargetToLayerIndex(GLenum target);
  GLenum LayerIndexToCubeMapTextureTarget(size_t index);
  
  // Parse the base resource name and array indices. Returns the base name of the resource.
  // If the provided name doesn't index an array, the outSubscripts vector will be empty.
  // If the provided name indexes an array, the outSubscripts vector will contain indices with
  // outermost array indices in the back. If an array index is invalid, GL_INVALID_INDEX is added to
  // outSubscripts.
  std::string ParseResourceName(const std::string &name, std::vector<unsigned int> *outSubscripts);
  
  // Find the range of index values in the provided indices pointer.  Primitive restart indices are
  // only counted in the range if primitive restart is disabled.
  IndexRange ComputeIndexRange(GLenum indexType,
                               const GLvoid *indices,
                               size_t count,
                               bool primitiveRestartEnabled);
  
  // Get the primitive restart index value for the given index type.
  GLuint GetPrimitiveRestartIndex(GLenum indexType);
  
  bool IsTriangleMode(GLenum drawMode);
  bool IsIntegerFormat(GLenum unsizedFormat);
  
  // Return the array index at the end of name, and write the length of name before the final array
  // index into nameLengthWithoutArrayIndexOut. In case name doesn't include an array index, return
  // GL_INVALID_INDEX and write the length of the original string.
  unsigned int ParseArrayIndex(const std::string &name, size_t *nameLengthWithoutArrayIndexOut);
  
  struct UniformTypeInfo final : angle::NonCopyable
  {
      constexpr UniformTypeInfo(GLenum type,
                                GLenum componentType,
                                GLenum samplerTextureType,
                                GLenum transposedMatrixType,
                                GLenum boolVectorType,
                                int rowCount,
                                int columnCount,
                                int componentCount,
                                size_t componentSize,
                                size_t internalSize,
                                size_t externalSize,
                                bool isSampler,
                                bool isMatrixType,
                                bool isImageType)
          : type(type),
            componentType(componentType),
            samplerTextureType(samplerTextureType),
            transposedMatrixType(transposedMatrixType),
            boolVectorType(boolVectorType),
            rowCount(rowCount),
            columnCount(columnCount),
            componentCount(componentCount),
            componentSize(componentSize),
            internalSize(internalSize),
            externalSize(externalSize),
            isSampler(isSampler),
            isMatrixType(isMatrixType),
            isImageType(isImageType)
      {
      }
  
      GLenum type;
      GLenum componentType;
      GLenum samplerTextureType;
      GLenum transposedMatrixType;
      GLenum boolVectorType;
      int rowCount;
      int columnCount;
      int componentCount;
      size_t componentSize;
      size_t internalSize;
      size_t externalSize;
      bool isSampler;
      bool isMatrixType;
      bool isImageType;
  };
  
  const UniformTypeInfo &GetUniformTypeInfo(GLenum uniformType);
  
  const char *GetGenericErrorMessage(GLenum error);
  
  unsigned int ElementTypeSize(GLenum elementType);
  
  }  // namespace gl
  
  namespace egl
  {
  static const EGLenum FirstCubeMapTextureTarget = EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
  static const EGLenum LastCubeMapTextureTarget = EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR;
  bool IsCubeMapTextureTarget(EGLenum target);
  size_t CubeMapTextureTargetToLayerIndex(EGLenum target);
  EGLenum LayerIndexToCubeMapTextureTarget(size_t index);
  bool IsTextureTarget(EGLenum target);
  bool IsRenderbufferTarget(EGLenum target);
  
  const char *GetGenericErrorMessage(EGLint error);
  }  // namespace egl
  
  namespace egl_gl
  {
  GLenum EGLCubeMapTargetToGLCubeMapTarget(EGLenum eglTarget);
  GLenum EGLImageTargetToGLTextureTarget(EGLenum eglTarget);
  GLuint EGLClientBufferToGLObjectHandle(EGLClientBuffer buffer);
  }
  
  namespace gl_egl
  {
  EGLenum GLComponentTypeToEGLColorComponentType(GLenum glComponentType);
  }  // namespace gl_egl
  
  #if !defined(ANGLE_ENABLE_WINDOWS_STORE)
  std::string getTempPath();
  void writeFile(const char* path, const void* data, size_t size);
  #endif
  
  #if defined (ANGLE_PLATFORM_WINDOWS)
  void ScheduleYield();
  #endif
  
  #endif  // COMMON_UTILITIES_H_
  

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