tor-browser

ExternalImageSiblingImpl11.cpp (7133B)

---

//
// 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/d3d/d3d11/ExternalImageSiblingImpl11.h"

#include "libANGLE/Context.h"
#include "libANGLE/Error.h"
#include "libANGLE/angletypes.h"
#include "libANGLE/formatutils.h"
#include "libANGLE/renderer/d3d/d3d11/Context11.h"
#include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
#include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"

namespace rx
{
ExternalImageSiblingImpl11::ExternalImageSiblingImpl11(Renderer11 *renderer,
                                                      EGLClientBuffer buffer,
                                                      const egl::AttributeMap &attribs)
   : mRenderer(renderer), mBuffer(buffer), mAttribs(attribs)
{}

ExternalImageSiblingImpl11::~ExternalImageSiblingImpl11() {}

egl::Error ExternalImageSiblingImpl11::initialize(const egl::Display *display)
{
   const angle::Format *angleFormat = nullptr;
   ANGLE_TRY(mRenderer->getD3DTextureInfo(nullptr, static_cast<IUnknown *>(mBuffer), mAttribs,
                                          &mWidth, &mHeight, &mSamples, &mFormat, &angleFormat,
                                          &mArraySlice));
   ID3D11Texture2D *texture =
       d3d11::DynamicCastComObject<ID3D11Texture2D>(static_cast<IUnknown *>(mBuffer));
   ASSERT(texture != nullptr);
   // TextureHelper11 will release texture on destruction.
   mTexture.set(texture, d3d11::Format::Get(angleFormat->glInternalFormat,
                                            mRenderer->getRenderer11DeviceCaps()));
   D3D11_TEXTURE2D_DESC textureDesc = {};
   mTexture.getDesc(&textureDesc);

   IDXGIResource *resource = d3d11::DynamicCastComObject<IDXGIResource>(mTexture.get());
   ASSERT(resource != nullptr);
   DXGI_USAGE resourceUsage = 0;
   resource->GetUsage(&resourceUsage);
   SafeRelease(resource);

   mIsRenderable = (textureDesc.BindFlags & D3D11_BIND_RENDER_TARGET) &&
                   (resourceUsage & DXGI_USAGE_RENDER_TARGET_OUTPUT) &&
                   !(resourceUsage & DXGI_USAGE_READ_ONLY);

   mIsTexturable = (textureDesc.BindFlags & D3D11_BIND_SHADER_RESOURCE) &&
                   (resourceUsage & DXGI_USAGE_SHADER_INPUT);

   mIsTextureArray = (textureDesc.ArraySize > 1);

   return egl::NoError();
}

gl::Format ExternalImageSiblingImpl11::getFormat() const
{
   return mFormat;
}

bool ExternalImageSiblingImpl11::isRenderable(const gl::Context *context) const
{
   return mIsRenderable;
}

bool ExternalImageSiblingImpl11::isTexturable(const gl::Context *context) const
{
   return mIsTexturable;
}

bool ExternalImageSiblingImpl11::isYUV() const
{
   return false;
}

bool ExternalImageSiblingImpl11::hasProtectedContent() const
{
   return false;
}

gl::Extents ExternalImageSiblingImpl11::getSize() const
{
   return gl::Extents(mWidth, mHeight, 1);
}

size_t ExternalImageSiblingImpl11::getSamples() const
{
   return mSamples;
}

angle::Result ExternalImageSiblingImpl11::getAttachmentRenderTarget(
   const gl::Context *context,
   GLenum binding,
   const gl::ImageIndex &imageIndex,
   GLsizei samples,
   FramebufferAttachmentRenderTarget **rtOut)
{
   ANGLE_TRY(createRenderTarget(context));
   *rtOut = mRenderTarget.get();
   return angle::Result::Continue;
}

angle::Result ExternalImageSiblingImpl11::initializeContents(const gl::Context *context,
                                                            GLenum binding,
                                                            const gl::ImageIndex &imageIndex)
{
   UNREACHABLE();
   return angle::Result::Stop;
}

angle::Result ExternalImageSiblingImpl11::createRenderTarget(const gl::Context *context)
{
   if (mRenderTarget)
       return angle::Result::Continue;

   Context11 *context11            = GetImplAs<Context11>(context);
   const d3d11::Format &formatInfo = mTexture.getFormatSet();

   d3d11::RenderTargetView rtv;
   if (mIsRenderable)
   {
       D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
       rtvDesc.Format = formatInfo.rtvFormat;
       if (mIsTextureArray)
       {
           if (mSamples == 0)
           {
               rtvDesc.ViewDimension                  = D3D11_RTV_DIMENSION_TEXTURE2DARRAY;
               rtvDesc.Texture2DArray.MipSlice        = 0;
               rtvDesc.Texture2DArray.FirstArraySlice = mArraySlice;
               rtvDesc.Texture2DArray.ArraySize       = 1;
           }
           else
           {
               rtvDesc.ViewDimension                    = D3D11_RTV_DIMENSION_TEXTURE2DMSARRAY;
               rtvDesc.Texture2DMSArray.FirstArraySlice = mArraySlice;
               rtvDesc.Texture2DMSArray.ArraySize       = 1;
           }
       }
       else
       {
           if (mSamples == 0)
           {
               rtvDesc.ViewDimension      = D3D11_RTV_DIMENSION_TEXTURE2D;
               rtvDesc.Texture2D.MipSlice = 0;
           }
           else
           {
               rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DMS;
           }
       }

       ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, mTexture.get(), &rtv));
       rtv.setInternalName("getAttachmentRenderTarget.RTV");
   }

   d3d11::SharedSRV srv;
   if (mIsTexturable)
   {
       D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
       srvDesc.Format = formatInfo.srvFormat;
       if (mIsTextureArray)
       {
           if (mSamples == 0)
           {
               srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
               srvDesc.Texture2DArray.MostDetailedMip = 0;
               srvDesc.Texture2DArray.MipLevels       = 1;
               srvDesc.Texture2DArray.FirstArraySlice = mArraySlice;
               srvDesc.Texture2DArray.ArraySize       = 1;
           }
           else
           {
               srvDesc.ViewDimension                  = D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY;
               srvDesc.Texture2DArray.FirstArraySlice = mArraySlice;
               srvDesc.Texture2DArray.ArraySize       = 1;
           }
       }
       else
       {
           if (mSamples == 0)
           {
               srvDesc.ViewDimension             = D3D11_SRV_DIMENSION_TEXTURE2D;
               srvDesc.Texture2D.MostDetailedMip = 0;
               srvDesc.Texture2D.MipLevels       = 1;
           }
           else
           {
               srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DMS;
           }
       }

       ANGLE_TRY(mRenderer->allocateResource(context11, srvDesc, mTexture.get(), &srv));
       srv.setInternalName("getAttachmentRenderTarget.SRV");
   }
   d3d11::SharedSRV blitSrv = srv.makeCopy();

   mRenderTarget = std::make_unique<TextureRenderTarget11>(
       std::move(rtv), mTexture, std::move(srv), std::move(blitSrv), mFormat.info->internalFormat,
       formatInfo, mWidth, mHeight, 1, mSamples);
   return angle::Result::Continue;
}

}  // namespace rx