1 //
2 // Copyright 2019 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6
7 #include "libANGLE/renderer/d3d/d3d11/ExternalImageSiblingImpl11.h"
8
9 #include "libANGLE/Context.h"
10 #include "libANGLE/Error.h"
11 #include "libANGLE/angletypes.h"
12 #include "libANGLE/formatutils.h"
13 #include "libANGLE/renderer/d3d/d3d11/Context11.h"
14 #include "libANGLE/renderer/d3d/d3d11/RenderTarget11.h"
15 #include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
16 #include "libANGLE/renderer/d3d/d3d11/texture_format_table.h"
17
18 namespace rx
19 {
ExternalImageSiblingImpl11(Renderer11 * renderer,EGLClientBuffer buffer,const egl::AttributeMap & attribs)20 ExternalImageSiblingImpl11::ExternalImageSiblingImpl11(Renderer11 *renderer,
21 EGLClientBuffer buffer,
22 const egl::AttributeMap &attribs)
23 : mRenderer(renderer), mBuffer(buffer), mAttribs(attribs)
24 {}
25
~ExternalImageSiblingImpl11()26 ExternalImageSiblingImpl11::~ExternalImageSiblingImpl11() {}
27
initialize(const egl::Display * display)28 egl::Error ExternalImageSiblingImpl11::initialize(const egl::Display *display)
29 {
30 const angle::Format *angleFormat = nullptr;
31 ANGLE_TRY(mRenderer->getD3DTextureInfo(nullptr, static_cast<IUnknown *>(mBuffer), mAttribs,
32 &mWidth, &mHeight, &mSamples, &mFormat, &angleFormat));
33 ID3D11Texture2D *texture =
34 d3d11::DynamicCastComObject<ID3D11Texture2D>(static_cast<IUnknown *>(mBuffer));
35 ASSERT(texture != nullptr);
36 // TextureHelper11 will release texture on destruction.
37 mTexture.set(texture, d3d11::Format::Get(angleFormat->glInternalFormat,
38 mRenderer->getRenderer11DeviceCaps()));
39 D3D11_TEXTURE2D_DESC textureDesc = {};
40 mTexture.getDesc(&textureDesc);
41
42 IDXGIResource *resource = d3d11::DynamicCastComObject<IDXGIResource>(mTexture.get());
43 ASSERT(resource != nullptr);
44 DXGI_USAGE resourceUsage = 0;
45 resource->GetUsage(&resourceUsage);
46 SafeRelease(resource);
47
48 mIsRenderable = (textureDesc.BindFlags & D3D11_BIND_RENDER_TARGET) &&
49 (resourceUsage & DXGI_USAGE_RENDER_TARGET_OUTPUT) &&
50 !(resourceUsage & DXGI_USAGE_READ_ONLY);
51
52 mIsTexturable = (textureDesc.BindFlags & D3D11_BIND_SHADER_RESOURCE) &&
53 (resourceUsage & DXGI_USAGE_SHADER_INPUT);
54
55 return egl::NoError();
56 }
57
getFormat() const58 gl::Format ExternalImageSiblingImpl11::getFormat() const
59 {
60 return mFormat;
61 }
62
isRenderable(const gl::Context * context) const63 bool ExternalImageSiblingImpl11::isRenderable(const gl::Context *context) const
64 {
65 return mIsRenderable;
66 }
67
isTexturable(const gl::Context * context) const68 bool ExternalImageSiblingImpl11::isTexturable(const gl::Context *context) const
69 {
70 return mIsTexturable;
71 }
72
getSize() const73 gl::Extents ExternalImageSiblingImpl11::getSize() const
74 {
75 return gl::Extents(mWidth, mHeight, 1);
76 }
77
getSamples() const78 size_t ExternalImageSiblingImpl11::getSamples() const
79 {
80 return mSamples;
81 }
82
getAttachmentRenderTarget(const gl::Context * context,GLenum binding,const gl::ImageIndex & imageIndex,GLsizei samples,FramebufferAttachmentRenderTarget ** rtOut)83 angle::Result ExternalImageSiblingImpl11::getAttachmentRenderTarget(
84 const gl::Context *context,
85 GLenum binding,
86 const gl::ImageIndex &imageIndex,
87 GLsizei samples,
88 FramebufferAttachmentRenderTarget **rtOut)
89 {
90 ANGLE_TRY(createRenderTarget(context));
91 *rtOut = mRenderTarget.get();
92 return angle::Result::Continue;
93 }
94
initializeContents(const gl::Context * context,const gl::ImageIndex & imageIndex)95 angle::Result ExternalImageSiblingImpl11::initializeContents(const gl::Context *context,
96 const gl::ImageIndex &imageIndex)
97 {
98 UNREACHABLE();
99 return angle::Result::Stop;
100 }
101
createRenderTarget(const gl::Context * context)102 angle::Result ExternalImageSiblingImpl11::createRenderTarget(const gl::Context *context)
103 {
104 if (mRenderTarget)
105 return angle::Result::Continue;
106
107 Context11 *context11 = GetImplAs<Context11>(context);
108 const d3d11::Format &formatInfo = mTexture.getFormatSet();
109
110 d3d11::RenderTargetView rtv;
111 if (mIsRenderable)
112 {
113 D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
114 rtvDesc.Format = formatInfo.rtvFormat;
115 rtvDesc.ViewDimension =
116 mSamples == 0 ? D3D11_RTV_DIMENSION_TEXTURE2D : D3D11_RTV_DIMENSION_TEXTURE2DMS;
117 rtvDesc.Texture2D.MipSlice = 0;
118
119 ANGLE_TRY(mRenderer->allocateResource(context11, rtvDesc, mTexture.get(), &rtv));
120 rtv.setDebugName("getAttachmentRenderTarget.RTV");
121 }
122
123 d3d11::SharedSRV srv;
124 if (mIsTexturable)
125 {
126 D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
127 srvDesc.Format = formatInfo.srvFormat;
128 srvDesc.ViewDimension =
129 mSamples == 0 ? D3D11_SRV_DIMENSION_TEXTURE2D : D3D11_SRV_DIMENSION_TEXTURE2DMS;
130 srvDesc.Texture2D.MostDetailedMip = 0;
131 srvDesc.Texture2D.MipLevels = 1;
132
133 ANGLE_TRY(mRenderer->allocateResource(context11, srvDesc, mTexture.get(), &srv));
134 srv.setDebugName("getAttachmentRenderTarget.SRV");
135 }
136 d3d11::SharedSRV blitSrv = srv.makeCopy();
137
138 mRenderTarget = std::make_unique<TextureRenderTarget11>(
139 std::move(rtv), mTexture, std::move(srv), std::move(blitSrv), mFormat.info->internalFormat,
140 formatInfo, mWidth, mHeight, 1, mSamples);
141 return angle::Result::Continue;
142 }
143
144 } // namespace rx
145