1 files changed, 86 insertions, 0 deletions
diff --git a/src/core/compositor/native_skia_output_device_opengl.cpp b/src/core/compositor/native_skia_output_device_opengl.cpp
new file mode 100644
index 000000000..058573b9e
--- /dev/null
+++ b/src/core/compositor/native_skia_output_device_opengl.cpp
@@ -0,0 +1,86 @@
+// Copyright (C) 2024 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "native_skia_output_device_opengl.h"
+
+#include <QtGui/qopenglcontext.h>
+#include <QtGui/qopenglextrafunctions.h>
+#include <QtQuick/qquickwindow.h>
+#include <QtQuick/qsgtexture.h>
+
+namespace QtWebEngineCore {
+
+NativeSkiaOutputDeviceOpenGL::NativeSkiaOutputDeviceOpenGL(
+        scoped_refptr<gpu::SharedContextState> contextState, bool requiresAlpha,
+        gpu::MemoryTracker *memoryTracker, viz::SkiaOutputSurfaceDependency *dependency,
+        gpu::SharedImageFactory *shared_image_factory,
+        gpu::SharedImageRepresentationFactory *shared_image_representation_factory,
+        DidSwapBufferCompleteCallback didSwapBufferCompleteCallback)
+    : NativeSkiaOutputDevice(contextState, requiresAlpha, memoryTracker, dependency,
+                             shared_image_factory, shared_image_representation_factory,
+                             didSwapBufferCompleteCallback)
+{
+    SkColorType skColorType = kRGBA_8888_SkColorType;
+    capabilities_.sk_color_types[static_cast<int>(gfx::BufferFormat::RGBA_8888)] = skColorType;
+    capabilities_.sk_color_types[static_cast<int>(gfx::BufferFormat::RGBX_8888)] = skColorType;
+    capabilities_.sk_color_types[static_cast<int>(gfx::BufferFormat::BGRA_8888)] = skColorType;
+    capabilities_.sk_color_types[static_cast<int>(gfx::BufferFormat::BGRX_8888)] = skColorType;
+}
+
+NativeSkiaOutputDeviceOpenGL::~NativeSkiaOutputDeviceOpenGL() { }
+
+#if defined(Q_OS_MACOS)
+uint32_t makeCGLTexture(QQuickWindow *win, IOSurfaceRef ioSurface, const QSize &size);
+#endif
+
+QSGTexture *NativeSkiaOutputDeviceOpenGL::texture(QQuickWindow *win, uint32_t textureOptions)
+{
+    if (!m_frontBuffer || !m_readyWithTexture)
+        return nullptr;
+
+#if defined(USE_OZONE)
+    scoped_refptr<gfx::NativePixmap> nativePixmap = m_frontBuffer->nativePixmap();
+    if (!nativePixmap) {
+        qWarning("No native pixmap.");
+        return nullptr;
+    }
+#elif defined(Q_OS_WIN)
+    auto overlayImage = m_frontBuffer->overlayImage();
+    if (!overlayImage) {
+        qWarning("No overlay image.");
+        return nullptr;
+    }
+#elif defined(Q_OS_MACOS)
+    gfx::ScopedIOSurface ioSurface = m_frontBuffer->ioSurface();
+    if (!ioSurface) {
+        qWarning("No IOSurface.");
+        return nullptr;
+    }
+#endif
+
+    QQuickWindow::CreateTextureOptions texOpts(textureOptions);
+    QSGTexture *texture = nullptr;
+
+#if defined(USE_OZONE)
+    // TODO(QTBUG-112281): Add ANGLE support to Linux.
+    QT_NOT_YET_IMPLEMENTED
+#elif defined(Q_OS_WIN)
+    // TODO: Add WGL support over ANGLE.
+    QT_NOT_YET_IMPLEMENTED
+#elif defined(Q_OS_MACOS)
+    uint32_t glTexture = makeCGLTexture(win, ioSurface.get(), size());
+    texture = QNativeInterface::QSGOpenGLTexture::fromNative(glTexture, win, size(), texOpts);
+
+    m_frontBuffer->textureCleanupCallback = [glTexture]() {
+        auto *glContext = QOpenGLContext::currentContext();
+        if (!glContext)
+            return;
+        auto glFun = glContext->functions();
+        glFun->glDeleteTextures(1, &glTexture);
+    };
+#endif
+
+    return texture;
+}
+
+} // namespace QtWebEngineCore