1 files changed, 168 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.cpp b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.cpp
new file mode 100644
index 0000000000..f07cd30517
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.cpp
@@ -0,0 +1,168 @@
+//
+// 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.
+//
+
+// DisplayImpl.cpp: Implementation methods of egl::Display
+
+#include "libANGLE/renderer/DisplayImpl.h"
+
+#include "libANGLE/Display.h"
+#include "libANGLE/Surface.h"
+#include "libANGLE/renderer/DeviceImpl.h"
+
+namespace rx
+{
+namespace
+{
+// For back-ends that do not implement EGLDevice.
+class MockDevice : public DeviceImpl
+{
+  public:
+    MockDevice() = default;
+    egl::Error initialize() override { return egl::NoError(); }
+    egl::Error getAttribute(const egl::Display *display, EGLint attribute, void **outValue) override
+    {
+        UNREACHABLE();
+        return egl::EglBadAttribute();
+    }
+    EGLint getType() override
+    {
+        UNREACHABLE();
+        return EGL_NONE;
+    }
+    void generateExtensions(egl::DeviceExtensions *outExtensions) const override
+    {
+        *outExtensions = egl::DeviceExtensions();
+    }
+};
+}  // anonymous namespace
+
+DisplayImpl::DisplayImpl(const egl::DisplayState &state)
+    : mState(state), mExtensionsInitialized(false), mCapsInitialized(false), mBlobCache(nullptr)
+{}
+
+DisplayImpl::~DisplayImpl()
+{
+    ASSERT(mState.surfaceSet.empty());
+}
+
+egl::Error DisplayImpl::prepareForCall()
+{
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::releaseThread()
+{
+    return egl::NoError();
+}
+
+const egl::DisplayExtensions &DisplayImpl::getExtensions() const
+{
+    if (!mExtensionsInitialized)
+    {
+        generateExtensions(&mExtensions);
+        mExtensionsInitialized = true;
+    }
+
+    return mExtensions;
+}
+
+egl::Error DisplayImpl::handleGPUSwitch()
+{
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow)
+{
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::validateClientBuffer(const egl::Config *configuration,
+                                             EGLenum buftype,
+                                             EGLClientBuffer clientBuffer,
+                                             const egl::AttributeMap &attribs) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay() << "DisplayImpl::validateClientBuffer unimplemented.";
+}
+
+egl::Error DisplayImpl::validateImageClientBuffer(const gl::Context *context,
+                                                  EGLenum target,
+                                                  EGLClientBuffer clientBuffer,
+                                                  const egl::AttributeMap &attribs) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay() << "DisplayImpl::validateImageClientBuffer unimplemented.";
+}
+
+egl::Error DisplayImpl::validatePixmap(const egl::Config *config,
+                                       EGLNativePixmapType pixmap,
+                                       const egl::AttributeMap &attributes) const
+{
+    UNREACHABLE();
+    return egl::EglBadDisplay() << "DisplayImpl::valdiatePixmap unimplemented.";
+}
+
+const egl::Caps &DisplayImpl::getCaps() const
+{
+    if (!mCapsInitialized)
+    {
+        generateCaps(&mCaps);
+        mCapsInitialized = true;
+    }
+
+    return mCaps;
+}
+
+DeviceImpl *DisplayImpl::createDevice()
+{
+    return new MockDevice();
+}
+
+bool DisplayImpl::isX11() const
+{
+    return false;
+}
+
+bool DisplayImpl::isWayland() const
+{
+    return false;
+}
+
+bool DisplayImpl::isGBM() const
+{
+    return false;
+}
+
+bool DisplayImpl::supportsDmaBufFormat(EGLint format) const
+{
+    UNREACHABLE();
+    return false;
+}
+
+egl::Error DisplayImpl::queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats)
+{
+    UNREACHABLE();
+    return egl::NoError();
+}
+
+egl::Error DisplayImpl::queryDmaBufModifiers(EGLint format,
+                                             EGLint max_modifiers,
+                                             EGLuint64KHR *modifiers,
+                                             EGLBoolean *external_only,
+                                             EGLint *num_modifiers)
+{
+    UNREACHABLE();
+    return egl::NoError();
+}
+
+GLuint DisplayImpl::getNextSurfaceID()
+{
+    uint64_t id = mNextSurfaceID.generate().getValue();
+    ASSERT(id <= 0xfffffffful);
+    return static_cast<GLuint>(id);
+}
+
+}  // namespace rx