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-rw-r--r--gfx/gl/GLContextEGL.h164
1 files changed, 164 insertions, 0 deletions
diff --git a/gfx/gl/GLContextEGL.h b/gfx/gl/GLContextEGL.h
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+++ b/gfx/gl/GLContextEGL.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GLCONTEXTEGL_H_
+#define GLCONTEXTEGL_H_
+
+#include "GLContext.h"
+#include "GLLibraryEGL.h"
+#include "nsRegion.h"
+#include <memory>
+
+namespace mozilla {
+namespace layers {
+class SurfaceTextureImage;
+} // namespace layers
+namespace widget {
+class CompositorWidget;
+} // namespace widget
+namespace gl {
+
+inline std::shared_ptr<EglDisplay> DefaultEglDisplay(
+ nsACString* const out_failureId) {
+ const auto lib = GLLibraryEGL::Get(out_failureId);
+ if (!lib) {
+ return nullptr;
+ }
+ return lib->DefaultDisplay(out_failureId);
+}
+
+// -
+
+class GLContextEGL final : public GLContext {
+ public:
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, override)
+
+ static RefPtr<GLContextEGL> CreateGLContext(
+ std::shared_ptr<EglDisplay>, const GLContextDesc&,
+ EGLConfig surfaceConfig, EGLSurface surface, const bool useGles,
+ EGLConfig contextConfig, nsACString* const out_failureId);
+
+ private:
+ GLContextEGL(std::shared_ptr<EglDisplay>, const GLContextDesc&,
+ EGLConfig surfaceConfig, EGLSurface surface, EGLContext context);
+ ~GLContextEGL();
+
+ public:
+ virtual GLContextType GetContextType() const override {
+ return GLContextType::EGL;
+ }
+
+ static GLContextEGL* Cast(GLContext* gl) {
+ MOZ_ASSERT(gl->GetContextType() == GLContextType::EGL);
+ return static_cast<GLContextEGL*>(gl);
+ }
+
+ bool Init() override;
+
+ virtual bool IsDoubleBuffered() const override { return mIsDoubleBuffered; }
+
+ void SetIsDoubleBuffered(bool aIsDB) { mIsDoubleBuffered = aIsDB; }
+
+ virtual bool IsANGLE() const override { return mEgl->mLib->IsANGLE(); }
+ virtual bool IsWARP() const override { return mEgl->mIsWARP; }
+
+ virtual bool BindTexImage() override;
+
+ virtual bool ReleaseTexImage() override;
+
+ void SetEGLSurfaceOverride(EGLSurface surf);
+ EGLSurface GetEGLSurfaceOverride() { return mSurfaceOverride; }
+
+ virtual bool MakeCurrentImpl() const override;
+
+ virtual bool IsCurrentImpl() const override;
+
+ virtual bool RenewSurface(widget::CompositorWidget* aWidget) override;
+
+ virtual void ReleaseSurface() override;
+
+ Maybe<SymbolLoader> GetSymbolLoader() const override;
+
+ virtual bool SwapBuffers() override;
+
+ virtual void SetDamage(const nsIntRegion& aDamageRegion) override;
+
+ GLint GetBufferAge() const override;
+
+ virtual void GetWSIInfo(nsCString* const out) const override;
+
+ EGLSurface GetEGLSurface() const { return mSurface; }
+
+ bool HasExtBufferAge() const;
+ bool HasKhrPartialUpdate() const;
+
+ bool BindTex2DOffscreen(GLContext* aOffscreen);
+ void UnbindTex2DOffscreen(GLContext* aOffscreen);
+ void BindOffscreenFramebuffer();
+
+ void Destroy();
+
+ static RefPtr<GLContextEGL> CreateWithoutSurface(
+ std::shared_ptr<EglDisplay>, const GLContextCreateDesc&,
+ nsACString* const out_FailureId);
+ static RefPtr<GLContextEGL> CreateEGLSurfacelessContext(
+ const std::shared_ptr<EglDisplay> display,
+ const GLContextCreateDesc& desc, nsACString* const out_failureId);
+
+ static EGLSurface CreateEGLSurfaceForCompositorWidget(
+ widget::CompositorWidget* aCompositorWidget, const EGLConfig aConfig);
+
+#ifdef MOZ_X11
+ static bool FindVisual(int* const out_visualId);
+#endif
+
+ protected:
+ friend class GLContextProviderEGL;
+ friend class GLContextEGLFactory;
+
+ virtual void OnMarkDestroyed() override;
+
+ public:
+ const std::shared_ptr<EglDisplay> mEgl;
+ const EGLConfig mSurfaceConfig;
+ const EGLContext mContext;
+
+ protected:
+ EGLSurface mSurface;
+ const EGLSurface mFallbackSurface;
+
+ EGLSurface mSurfaceOverride = EGL_NO_SURFACE;
+ bool mBound = false;
+
+ bool mIsPBuffer = false;
+ bool mIsDoubleBuffered = false;
+ bool mCanBindToTexture = false;
+ bool mShareWithEGLImage = false;
+ bool mOwnsContext = true;
+
+ nsIntRegion mDamageRegion;
+
+ static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(
+ EglDisplay&, EGLConfig, EGLenum bindToTextureFormat,
+ gfx::IntSize& pbsize);
+
+#ifdef MOZ_WAYLAND
+ static EGLSurface CreateWaylandBufferSurface(EglDisplay&, EGLConfig,
+ gfx::IntSize& pbsize);
+#endif
+
+ public:
+ EGLSurface CreateCompatibleSurface(void* aWindow) const;
+};
+
+bool CreateConfig(EglDisplay&, EGLConfig* aConfig, int32_t aDepth,
+ bool aEnableDepthBuffer, bool aUseGles,
+ bool aAllowFallback = true);
+
+} // namespace gl
+} // namespace mozilla
+
+#endif // GLCONTEXTEGL_H_