kc3-lang/angle/src/libANGLE/renderer/vulkan/RenderbufferVk.cpp

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• Hash : 05b35b21
  Author :
  Date : 2017-10-03T09:01:44
  

  D3D11: Lazy robust resource init.
  
  This patch moves the robust resource init logic to the GL front-end.
  Instead of initializing texture resources immediately on creation in
  D3D11, it defers the clear until before a draw call in some cases, or
  skips the update if we can determine if a texture (or other resource)
  has been fully initialized.
  
  Currently lazy init is only implemented for Textures, Renderbuffers,
  and Surfaces.
  
  Various places where lazy resource init is triggered:
  * Framebuffer operations (Draw, Blit, CopyTexImage, Clear, ReadPixels)
  * Texture operations (SubImage, GenerateMipmap, CopyTexImage)
  
  Some efficiency gains remain to be implemented, such as when a
  SubImage call fills the entire object. Similarly for Blit, and a few
  other operations. In these cases we can skip lazy init as an
  optimization. Edge cases with EGLImage are mostly untested.
  
  BUG=angleproject:2107
  
  Change-Id: I2bf3a69b1eae0d4feeb5b17daca23451f1037be8
  Reviewed-on: https://chromium-review.googlesource.com/576058
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  

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• src/libANGLE/renderer/vulkan/RenderbufferVk.cpp

• //
  // Copyright 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.
  //
  // RenderbufferVk.cpp:
  //    Implements the class methods for RenderbufferVk.
  //
  
  #include "libANGLE/renderer/vulkan/RenderbufferVk.h"
  
  #include "common/debug.h"
  
  namespace rx
  {
  
  RenderbufferVk::RenderbufferVk() : RenderbufferImpl()
  {
  }
  
  RenderbufferVk::~RenderbufferVk()
  {
  }
  
  gl::Error RenderbufferVk::setStorage(const gl::Context *context,
                                       GLenum internalformat,
                                       size_t width,
                                       size_t height)
  {
      UNIMPLEMENTED();
      return gl::InternalError();
  }
  
  gl::Error RenderbufferVk::setStorageMultisample(const gl::Context *context,
                                                  size_t samples,
                                                  GLenum internalformat,
                                                  size_t width,
                                                  size_t height)
  {
      UNIMPLEMENTED();
      return gl::InternalError();
  }
  
  gl::Error RenderbufferVk::setStorageEGLImageTarget(const gl::Context *context, egl::Image *image)
  {
      UNIMPLEMENTED();
      return gl::InternalError();
  }
  
  gl::Error RenderbufferVk::getAttachmentRenderTarget(const gl::Context *context,
                                                      GLenum binding,
                                                      const gl::ImageIndex &imageIndex,
                                                      FramebufferAttachmentRenderTarget **rtOut)
  {
      UNIMPLEMENTED();
      return gl::InternalError();
  }
  
  gl::Error RenderbufferVk::initializeContents(const gl::Context *context,
                                               const gl::ImageIndex &imageIndex)
  {
      UNIMPLEMENTED();
      return gl::NoError();
  }
  
  }  // namespace rx
  

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