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//
// 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
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