1 files changed, 93 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.cpp
new file mode 100644
index 0000000000..c2ff39ba24
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/EGLImageD3D.cpp
@@ -0,0 +1,93 @@
+//
+// Copyright 2015 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.
+//
+
+// EGLImageD3D.cpp: Implements the rx::EGLImageD3D class, the D3D implementation of EGL images
+
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+
+#include "common/debug.h"
+#include "common/utilities.h"
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/TextureD3D.h"
+#include "libANGLE/renderer/d3d/TextureStorage.h"
+
+#include <EGL/eglext.h>
+
+namespace rx
+{
+
+EGLImageD3D::EGLImageD3D(const egl::ImageState &state,
+                         EGLenum target,
+                         const egl::AttributeMap &attribs,
+                         RendererD3D *renderer)
+    : ImageImpl(state), mRenderer(renderer), mRenderTarget(nullptr)
+{
+    ASSERT(renderer != nullptr);
+}
+
+EGLImageD3D::~EGLImageD3D()
+{
+    SafeDelete(mRenderTarget);
+}
+
+egl::Error EGLImageD3D::initialize(const egl::Display *display)
+{
+    return egl::NoError();
+}
+
+angle::Result EGLImageD3D::orphan(const gl::Context *context, egl::ImageSibling *sibling)
+{
+    if (sibling == mState.source)
+    {
+        ANGLE_TRY(copyToLocalRendertarget(context));
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result EGLImageD3D::getRenderTarget(const gl::Context *context,
+                                           RenderTargetD3D **outRT) const
+{
+    if (mState.source != nullptr)
+    {
+        ASSERT(!mRenderTarget);
+        FramebufferAttachmentRenderTarget *rt = nullptr;
+        ANGLE_TRY(
+            mState.source->getAttachmentRenderTarget(context, GL_NONE, mState.imageIndex, 0, &rt));
+        *outRT = static_cast<RenderTargetD3D *>(rt);
+        return angle::Result::Continue;
+    }
+
+    ASSERT(mRenderTarget);
+    *outRT = mRenderTarget;
+    return angle::Result::Continue;
+}
+
+angle::Result EGLImageD3D::copyToLocalRendertarget(const gl::Context *context)
+{
+    ASSERT(mState.source != nullptr);
+    ASSERT(mRenderTarget == nullptr);
+
+    RenderTargetD3D *curRenderTarget = nullptr;
+    ANGLE_TRY(getRenderTarget(context, &curRenderTarget));
+
+    {
+        std::unique_lock lock(mState.targetsLock);
+        // Invalidate FBOs with this Image attached. Only currently applies to D3D11.
+        for (egl::ImageSibling *target : mState.targets)
+        {
+            target->onStateChange(angle::SubjectMessage::SubjectChanged);
+        }
+    }
+
+    return mRenderer->createRenderTargetCopy(context, curRenderTarget, &mRenderTarget);
+}
+}  // namespace rx