kc3-lang/angle/src/libANGLE/renderer/d3d/RenderbufferD3D.cpp

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• Hash : d8b037d6
  Author :
  Date : 2020-09-15T05:05:14
  

  Change renderbuffer width/height/sample types to GLsizei
  
  This matches the types used by GL and stored in the state.  setStorage
  and setStorageMultisampled calls were using size_t instead with a number
  of unnecessary casts in places which are now removed.
  
  Bug: angleproject:4836
  Change-Id: Ibb570f0c088a6f29abe10f513de27c30ba4dd098
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2411697
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/libANGLE/renderer/d3d/RenderbufferD3D.cpp

• //
  // Copyright 2014 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.
  //
  
  // RenderbufferD3d.cpp: Implements the RenderbufferD3D class, a specialization of RenderbufferImpl
  
  #include "libANGLE/renderer/d3d/RenderbufferD3D.h"
  
  #include "libANGLE/Context.h"
  #include "libANGLE/Image.h"
  #include "libANGLE/renderer/d3d/ContextD3D.h"
  #include "libANGLE/renderer/d3d/EGLImageD3D.h"
  #include "libANGLE/renderer/d3d/RenderTargetD3D.h"
  #include "libANGLE/renderer/d3d/RendererD3D.h"
  
  namespace rx
  {
  RenderbufferD3D::RenderbufferD3D(const gl::RenderbufferState &state, RendererD3D *renderer)
      : RenderbufferImpl(state), mRenderer(renderer), mRenderTarget(nullptr), mImage(nullptr)
  {}
  
  RenderbufferD3D::~RenderbufferD3D()
  {
      SafeDelete(mRenderTarget);
      mImage = nullptr;
  }
  
  void RenderbufferD3D::onDestroy(const gl::Context *context)
  {
      SafeDelete(mRenderTarget);
  }
  
  angle::Result RenderbufferD3D::setStorage(const gl::Context *context,
                                            GLenum internalformat,
                                            GLsizei width,
                                            GLsizei height)
  {
      return setStorageMultisample(context, 0, internalformat, width, height,
                                   gl::MultisamplingMode::Regular);
  }
  
  angle::Result RenderbufferD3D::setStorageMultisample(const gl::Context *context,
                                                       GLsizei samples,
                                                       GLenum internalformat,
                                                       GLsizei width,
                                                       GLsizei height,
                                                       gl::MultisamplingMode mode)
  {
      // TODO: Correctly differentiate between normal multisampling and render to texture.  In the
      // latter case, the renderbuffer must be automatically resolved when rendering is broken and
      // operations performed on it (such as blit, copy etc) should use the resolved image.
      // http://anglebug.com/3107.
  
      // If the renderbuffer parameters are queried, the calling function
      // will expect one of the valid renderbuffer formats for use in
      // glRenderbufferStorage, but we should create depth and stencil buffers
      // as DEPTH24_STENCIL8
      GLenum creationFormat = internalformat;
      if (internalformat == GL_DEPTH_COMPONENT16 || internalformat == GL_STENCIL_INDEX8)
      {
          creationFormat = GL_DEPTH24_STENCIL8_OES;
      }
  
      // ANGLE_framebuffer_multisample states GL_OUT_OF_MEMORY is generated on a failure to create
      // the specified storage.
      // Because ES 3.0 already knows the exact number of supported samples, it would already have
      // been validated and generated GL_INVALID_VALUE.
      const gl::TextureCaps &formatCaps = mRenderer->getNativeTextureCaps().get(creationFormat);
      ANGLE_CHECK_GL_ALLOC(GetImplAs<ContextD3D>(context),
                           static_cast<uint32_t>(samples) <= formatCaps.getMaxSamples());
  
      RenderTargetD3D *newRT = nullptr;
      ANGLE_TRY(
          mRenderer->createRenderTarget(context, width, height, creationFormat, samples, &newRT));
  
      SafeDelete(mRenderTarget);
      mImage        = nullptr;
      mRenderTarget = newRT;
  
      return angle::Result::Continue;
  }
  
  angle::Result RenderbufferD3D::setStorageEGLImageTarget(const gl::Context *context,
                                                          egl::Image *image)
  {
      mImage = GetImplAs<EGLImageD3D>(image);
      SafeDelete(mRenderTarget);
  
      return angle::Result::Continue;
  }
  
  angle::Result RenderbufferD3D::getRenderTarget(const gl::Context *context,
                                                 RenderTargetD3D **outRenderTarget)
  {
      if (mImage)
      {
          return mImage->getRenderTarget(context, outRenderTarget);
      }
      else
      {
          *outRenderTarget = mRenderTarget;
          return angle::Result::Continue;
      }
  }
  
  angle::Result RenderbufferD3D::getAttachmentRenderTarget(const gl::Context *context,
                                                           GLenum binding,
                                                           const gl::ImageIndex &imageIndex,
                                                           GLsizei samples,
                                                           FramebufferAttachmentRenderTarget **rtOut)
  {
      return getRenderTarget(context, reinterpret_cast<RenderTargetD3D **>(rtOut));
  }
  
  angle::Result RenderbufferD3D::initializeContents(const gl::Context *context,
                                                    const gl::ImageIndex &imageIndex)
  {
      RenderTargetD3D *renderTarget = nullptr;
      ANGLE_TRY(getRenderTarget(context, &renderTarget));
      return mRenderer->initRenderTarget(context, renderTarget);
  }
  
  }  // namespace rx
  

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