kc3-lang/angle/src/libANGLE/renderer/gl/MemoryObjectGL.cpp

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• Hash : 13ea5b7f
  Author :
  Date : 2020-03-19T12:43:12
  

  Implement gl[Get]MemoryObjectParameterivEXT
  
  These functions are required to tell the driver that the memory object
  is dedicated memory. This is required for AMD drivers on Linux.
  
  Bug: chromium:1049218
  Change-Id: I17d69cde5e6308791dc90784f4d6e348503a6ed6
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2110051
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/gl/MemoryObjectGL.cpp

• // Copyright 2019 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.
  //
  
  #include "libANGLE/renderer/gl/MemoryObjectGL.h"
  
  #include "libANGLE/Context.h"
  #include "libANGLE/queryconversions.h"
  #include "libANGLE/renderer/gl/ContextGL.h"
  #include "libANGLE/renderer/gl/FunctionsGL.h"
  #include "libANGLE/renderer/gl/renderergl_utils.h"
  
  namespace rx
  {
  MemoryObjectGL::MemoryObjectGL(GLuint memoryObject) : mMemoryObject(memoryObject)
  {
      ASSERT(mMemoryObject != 0);
  }
  
  MemoryObjectGL::~MemoryObjectGL()
  {
      ASSERT(mMemoryObject == 0);
  }
  
  void MemoryObjectGL::onDestroy(const gl::Context *context)
  {
      const FunctionsGL *functions = GetFunctionsGL(context);
      functions->deleteMemoryObjectsEXT(1, &mMemoryObject);
      mMemoryObject = 0;
  }
  
  angle::Result MemoryObjectGL::setDedicatedMemory(const gl::Context *context, bool dedicatedMemory)
  {
      const FunctionsGL *functions = GetFunctionsGL(context);
  
      GLint params = gl::ConvertToGLBoolean(dedicatedMemory);
      ANGLE_GL_TRY(context, functions->memoryObjectParameterivEXT(
                                mMemoryObject, GL_DEDICATED_MEMORY_OBJECT_EXT, &params));
      return angle::Result::Continue;
  }
  
  angle::Result MemoryObjectGL::importFd(gl::Context *context,
                                         GLuint64 size,
                                         gl::HandleType handleType,
                                         GLint fd)
  {
      const FunctionsGL *functions = GetFunctionsGL(context);
      ANGLE_GL_TRY(context,
                   functions->importMemoryFdEXT(mMemoryObject, size, ToGLenum(handleType), fd));
      return angle::Result::Continue;
  }
  
  angle::Result MemoryObjectGL::importZirconHandle(gl::Context *context,
                                                   GLuint64 size,
                                                   gl::HandleType handleType,
                                                   GLuint handle)
  {
      UNREACHABLE();
      return angle::Result::Stop;
  }
  
  GLuint MemoryObjectGL::getMemoryObjectID() const
  {
      return mMemoryObject;
  }
  }  // namespace rx
  

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