1 files changed, 169 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.h
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+++ b/gfx/angle/checkout/src/libANGLE/renderer/DisplayImpl.h
@@ -0,0 +1,169 @@
+//
+// 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.h: Implementation methods of egl::Display
+
+#ifndef LIBANGLE_RENDERER_DISPLAYIMPL_H_
+#define LIBANGLE_RENDERER_DISPLAYIMPL_H_
+
+#include "common/Optional.h"
+#include "common/angleutils.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Observer.h"
+#include "libANGLE/Stream.h"
+#include "libANGLE/Version.h"
+#include "libANGLE/renderer/EGLImplFactory.h"
+#include "platform/Feature.h"
+
+#include <set>
+#include <vector>
+
+namespace angle
+{
+struct FrontendFeatures;
+}  // namespace angle
+
+namespace egl
+{
+class AttributeMap;
+class BlobCache;
+class Display;
+struct DisplayState;
+struct Config;
+class Surface;
+class ImageSibling;
+class Thread;
+}  // namespace egl
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace rx
+{
+class SurfaceImpl;
+class ImageImpl;
+struct ConfigDesc;
+class DeviceImpl;
+class StreamProducerImpl;
+
+class ShareGroupImpl : angle::NonCopyable
+{
+  public:
+    ShareGroupImpl() : mAnyContextWithRobustness(false) {}
+    virtual ~ShareGroupImpl() {}
+    virtual void onDestroy(const egl::Display *display) {}
+
+    void onRobustContextAdd() { mAnyContextWithRobustness = true; }
+    bool hasAnyContextWithRobustness() const { return mAnyContextWithRobustness; }
+
+  private:
+    // Whether any context in the share group has robustness enabled.  If any context in the share
+    // group is robust, any program created in any context of the share group must have robustness
+    // enabled.  This is because programs are shared between the share group contexts.
+    bool mAnyContextWithRobustness;
+};
+
+class DisplayImpl : public EGLImplFactory, public angle::Subject
+{
+  public:
+    DisplayImpl(const egl::DisplayState &state);
+    ~DisplayImpl() override;
+
+    virtual egl::Error initialize(egl::Display *display) = 0;
+    virtual void terminate()                             = 0;
+    virtual egl::Error prepareForCall();
+    virtual egl::Error releaseThread();
+
+    virtual egl::Error makeCurrent(egl::Display *display,
+                                   egl::Surface *drawSurface,
+                                   egl::Surface *readSurface,
+                                   gl::Context *context) = 0;
+
+    virtual egl::ConfigSet generateConfigs() = 0;
+
+    virtual bool testDeviceLost()                                     = 0;
+    virtual egl::Error restoreLostDevice(const egl::Display *display) = 0;
+
+    virtual bool isValidNativeWindow(EGLNativeWindowType window) const = 0;
+    virtual egl::Error validateClientBuffer(const egl::Config *configuration,
+                                            EGLenum buftype,
+                                            EGLClientBuffer clientBuffer,
+                                            const egl::AttributeMap &attribs) const;
+    virtual egl::Error validateImageClientBuffer(const gl::Context *context,
+                                                 EGLenum target,
+                                                 EGLClientBuffer clientBuffer,
+                                                 const egl::AttributeMap &attribs) const;
+    virtual egl::Error validatePixmap(const egl::Config *config,
+                                      EGLNativePixmapType pixmap,
+                                      const egl::AttributeMap &attributes) const;
+
+    virtual std::string getRendererDescription()                  = 0;
+    virtual std::string getVendorString()                         = 0;
+    virtual std::string getVersionString(bool includeFullVersion) = 0;
+
+    virtual DeviceImpl *createDevice();
+
+    virtual egl::Error waitClient(const gl::Context *context)                = 0;
+    virtual egl::Error waitNative(const gl::Context *context, EGLint engine) = 0;
+    virtual gl::Version getMaxSupportedESVersion() const                     = 0;
+    virtual gl::Version getMaxConformantESVersion() const                    = 0;
+    // If desktop GL is not supported in any capacity for a given backend, this returns None.
+    virtual Optional<gl::Version> getMaxSupportedDesktopVersion() const = 0;
+    const egl::Caps &getCaps() const;
+
+    virtual void setBlobCacheFuncs(EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get) {}
+
+    const egl::DisplayExtensions &getExtensions() const;
+
+    void setBlobCache(egl::BlobCache *blobCache) { mBlobCache = blobCache; }
+    egl::BlobCache *getBlobCache() const { return mBlobCache; }
+
+    virtual void initializeFrontendFeatures(angle::FrontendFeatures *features) const {}
+
+    virtual void populateFeatureList(angle::FeatureList *features) = 0;
+
+    const egl::DisplayState &getState() const { return mState; }
+
+    virtual egl::Error handleGPUSwitch();
+    virtual egl::Error forceGPUSwitch(EGLint gpuIDHigh, EGLint gpuIDLow);
+
+    virtual bool isX11() const;
+    virtual bool isWayland() const;
+    virtual bool isGBM() const;
+
+    virtual bool supportsDmaBufFormat(EGLint format) const;
+    virtual egl::Error queryDmaBufFormats(EGLint max_formats, EGLint *formats, EGLint *num_formats);
+    virtual egl::Error queryDmaBufModifiers(EGLint format,
+                                            EGLint max_modifiers,
+                                            EGLuint64KHR *modifiers,
+                                            EGLBoolean *external_only,
+                                            EGLint *num_modifiers);
+    GLuint getNextSurfaceID() override;
+
+  protected:
+    const egl::DisplayState &mState;
+
+  private:
+    virtual void generateExtensions(egl::DisplayExtensions *outExtensions) const = 0;
+    virtual void generateCaps(egl::Caps *outCaps) const                          = 0;
+
+    mutable bool mExtensionsInitialized;
+    mutable egl::DisplayExtensions mExtensions;
+
+    mutable bool mCapsInitialized;
+    mutable egl::Caps mCaps;
+
+    egl::BlobCache *mBlobCache;
+    rx::AtomicSerialFactory mNextSurfaceID;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_DISPLAYIMPL_H_