kc3-lang/angle/src/libANGLE/Path.cpp

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• Hash : e45e53bd
  Author :
  Date : 2016-05-25T10:36:04
  

  Support CHROMIUM_path_rendering
  
  This is partial support for CHROMIUM_path_rendering
  and implements basic path management and non-instanced
  rendering.
  
  BUG=angleproject:1382
  
  Change-Id: I9c0e88183e0a915d522889323933439d25b45b5f
  Reviewed-on: https://chromium-review.googlesource.com/348630
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/Path.cpp

• //
  // Copyright (c) 2002-2016 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.
  //
  
  // Path.h: Defines the gl::Path class, representing CHROMIUM_path_rendering
  // path object.
  
  #include "libANGLE/Path.h"
  #include "libANGLE/renderer/PathImpl.h"
  
  #include "common/mathutil.h"
  #include "common/debug.h"
  
  namespace gl
  {
  
  Path::Path(rx::PathImpl *impl)
      : mPath(impl),
        mHasData(false),
        mEndCaps(GL_FLAT_CHROMIUM),
        mJoinStyle(GL_MITER_REVERT_CHROMIUM),
        mStrokeWidth(1.0f),
        mStrokeBound(0.2f),
        mMiterLimit(4.0f)
  {
  }
  
  Path::~Path()
  {
      delete mPath;
  }
  
  Error Path::setCommands(GLsizei numCommands,
                          const GLubyte *commands,
                          GLsizei numCoords,
                          GLenum coordType,
                          const void *coords)
  {
      ANGLE_TRY(mPath->setCommands(numCommands, commands, numCoords, coordType, coords));
  
      mHasData = true;
  
      return gl::NoError();
  }
  
  void Path::setStrokeWidth(GLfloat width)
  {
      mStrokeWidth = width;
      mPath->setPathParameter(GL_PATH_STROKE_WIDTH_CHROMIUM, mStrokeWidth);
  }
  
  void Path::setStrokeBound(GLfloat bound)
  {
      mStrokeBound = clamp(bound, 0.0f, 1.0f);
      mPath->setPathParameter(GL_PATH_STROKE_BOUND_CHROMIUM, mStrokeBound);
  }
  
  void Path::setEndCaps(GLenum type)
  {
      mEndCaps = type;
      mPath->setPathParameter(GL_PATH_END_CAPS_CHROMIUM, static_cast<GLfloat>(type));
  }
  
  void Path::setJoinStyle(GLenum type)
  {
      mJoinStyle = type;
      mPath->setPathParameter(GL_PATH_JOIN_STYLE_CHROMIUM, static_cast<GLfloat>(type));
  }
  
  void Path::setMiterLimit(GLfloat value)
  {
      mMiterLimit = value;
      mPath->setPathParameter(GL_PATH_MITER_LIMIT_CHROMIUM, value);
  }
  
  }  // gl
  

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