From 5c46e85c6683e08b8c2a839d4f08f6d8d8755281 Mon Sep 17 00:00:00 2001
From: Michal Klocek <michal.klocek@qt.io>
Date: Sun, 24 Sep 2017 17:47:38 +0200
Subject: [PATCH] Split GLSurfaceQt
Move GLSurfaceGLXQt and GLSurfaceEGLQt to own
implementation files,so they can be reused easly
by ozone backends.
Change-Id: Ie403a941424343e13775866772bed709d7cbff6a
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
---
src/core/core_chromium.pri | 4 +
src/core/gl_surface_qt.cpp | 522 +--------------------------
src/core/gl_surface_qt.h | 5 +
src/core/ozone/gl_surface_egl_qt.cpp | 318 ++++++++++++++++
src/core/ozone/gl_surface_egl_qt.h | 97 +++++
src/core/ozone/gl_surface_glx_qt.cpp | 213 +++++++++++
src/core/ozone/gl_surface_glx_qt.h | 72 ++++
7 files changed, 725 insertions(+), 506 deletions(-)
create mode 100644 src/core/ozone/gl_surface_egl_qt.cpp
create mode 100644 src/core/ozone/gl_surface_egl_qt.h
create mode 100644 src/core/ozone/gl_surface_glx_qt.cpp
create mode 100644 src/core/ozone/gl_surface_glx_qt.h
diff --git a/src/core/core_chromium.pri b/src/core/core_chromium.pri
index d33aa9677..bec272c79 100644
--- a/src/core/core_chromium.pri
+++ b/src/core/core_chromium.pri
@@ -81,6 +81,8 @@ SOURCES = \
net/url_request_qrc_job_qt.cpp \
net/webui_controller_factory_qt.cpp \
ozone/gl_ozone_qt.cpp \
+ ozone/gl_surface_egl_qt.cpp \
+ ozone/gl_surface_glx_qt.cpp \
ozone/ozone_platform_qt.cpp \
ozone/platform_window_qt.cpp \
ozone/surface_factory_qt.cpp \
@@ -164,6 +166,8 @@ HEADERS = \
net/url_request_qrc_job_qt.h \
net/webui_controller_factory_qt.h \
ozone/gl_ozone_qt.h \
+ ozone/gl_surface_egl_qt.h \
+ ozone/gl_surface_glx_qt.h \
ozone/ozone_platform_qt.h \
ozone/platform_window_qt.h \
ozone/surface_factory_qt.h \
diff --git a/src/core/gl_surface_qt.cpp b/src/core/gl_surface_qt.cpp
index 31d5e030f..54f220f8d 100644
--- a/src/core/gl_surface_qt.cpp
+++ b/src/core/gl_surface_qt.cpp
@@ -49,285 +49,43 @@
#include "gl_context_qt.h"
#include "qtwebenginecoreglobal_p.h"
#include "web_engine_context.h"
+#include "ozone/gl_surface_egl_qt.h"
#include "base/logging.h"
#include "gpu/ipc/service/image_transport_surface.h"
-#include "ui/gl/egl_util.h"
+#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_implementation.h"
-#include "ui/gl/gl_surface_egl.h"
#include "ui/gl/init/gl_initializer.h"
#include "ui/gl/init/gl_factory.h"
-#if defined(USE_X11)
-#include "ui/gl/gl_surface_glx.h"
-
-extern "C" {
-#include <X11/Xlib.h>
-}
-#endif
-
#if defined(OS_WIN)
#include "ui/gl/gl_surface_wgl.h"
#include "ui/gl/gl_context_wgl.h"
#include "ui/gl/vsync_provider_win.h"
#endif
-// From ANGLE's egl/eglext.h.
-#ifndef EGL_ANGLE_surface_d3d_texture_2d_share_handle
-#define EGL_ANGLE_surface_d3d_texture_2d_share_handle 1
-#define EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE 0x3200
+#if defined(USE_X11)
+#include "ozone/gl_surface_glx_qt.h"
#endif
-using ui::GetLastEGLErrorString;
+#include "ozone/gl_surface_egl_qt.h"
namespace gl {
namespace {
-
-void* g_config;
-void* g_display;
-
-const char* g_extensions = NULL;
-
-bool g_egl_surfaceless_context_supported = false;
-
bool g_initializedEGL = false;
-
-} // namespace
-
-
-class GLSurfaceQtEGL: public GLSurfaceQt {
-public:
- explicit GLSurfaceQtEGL(const gfx::Size& size);
-
- static bool InitializeOneOff();
- static bool InitializeExtensionSettingsOneOff();
-
- bool Initialize(GLSurfaceFormat format) override;
- void Destroy() override;
- void* GetHandle() override;
- bool Resize(const gfx::Size& size, float scale_factor, ColorSpace color_space, bool has_alpha) override;
-
-protected:
- ~GLSurfaceQtEGL();
-
-private:
- EGLSurface m_surfaceBuffer;
- static bool s_initialized;
- DISALLOW_COPY_AND_ASSIGN(GLSurfaceQtEGL);
-};
-
-bool GLSurfaceQtEGL::s_initialized = false;
-
-// The following comment is cited from chromium/ui/gl/gl_surface_egl.cc:
-// SurfacelessEGL is used as Offscreen surface when platform supports
-// KHR_surfaceless_context and GL_OES_surfaceless_context. This would avoid the
-// need to create a dummy EGLsurface in case we render to client API targets.
-class GLSurfacelessQtEGL : public GLSurfaceQt {
-public:
- explicit GLSurfacelessQtEGL(const gfx::Size& size);
-
- public:
- bool Initialize(GLSurfaceFormat format) override;
- void Destroy() override;
- bool IsSurfaceless() const override;
- bool Resize(const gfx::Size& size, float scale_factor, ColorSpace color_space, bool has_alpha) override;
- EGLSurface GetHandle() override;
- void* GetShareHandle() override;
-
-private:
- DISALLOW_COPY_AND_ASSIGN(GLSurfacelessQtEGL);
-};
-
-GLSurfaceQt::~GLSurfaceQt()
-{
-}
-
-GLSurfaceQtEGL::~GLSurfaceQtEGL()
-{
- Destroy();
-}
-
-#if defined(USE_X11)
-class GLSurfaceQtGLX: public GLSurfaceQt {
-public:
- explicit GLSurfaceQtGLX(const gfx::Size& size);
-
- static bool InitializeOneOff();
- static bool InitializeExtensionSettingsOneOff();
-
- bool Initialize(GLSurfaceFormat format) override;
- void Destroy() override;
- void* GetHandle() override;
-
-protected:
- ~GLSurfaceQtGLX();
-
-private:
- static bool s_initialized;
- XID m_surfaceBuffer;
- DISALLOW_COPY_AND_ASSIGN(GLSurfaceQtGLX);
-};
-
-GLSurfaceQtGLX::~GLSurfaceQtGLX()
-{
- Destroy();
-}
-
-
-bool GLSurfaceQtGLX::s_initialized = false;
-
-void GLSurfaceGLX::ShutdownOneOff()
-{
-}
-
-bool GLSurfaceGLX::IsCreateContextSupported()
-{
- return ExtensionsContain(g_extensions, "GLX_ARB_create_context");
-}
-
-bool GLSurfaceGLX::IsCreateContextRobustnessSupported()
-{
- return false; // ExtensionsContain(g_extensions, "GLX_ARB_create_context_robustness");
-}
-
-bool GLSurfaceGLX::IsEXTSwapControlSupported()
-{
- return HasGLXExtension("GLX_EXT_swap_control");
}
-bool GLSurfaceGLX::IsMESASwapControlSupported()
-{
- return HasGLXExtension("GLX_MESA_swap_control");
-}
-
-bool GLSurfaceGLX::IsCreateContextProfileSupported()
-{
- return false; // ExtensionsContain(g_extensions, "GLX_ARB_create_context_profile");
-}
-
-bool GLSurfaceGLX::IsCreateContextES2ProfileSupported()
-{
- return ExtensionsContain(g_extensions, "GLX_ARB_create_context_es2_profile");
-}
-
-bool GLSurfaceGLX::IsOMLSyncControlSupported()
-{
- return false; // ExtensionsContain(g_extensions, "GLX_OML_sync_control");
-}
-
-bool GLSurfaceQtGLX::InitializeExtensionSettingsOneOff()
-{
- if (!s_initialized)
- return false;
-
- Display* display = static_cast<Display*>(g_display);
- g_extensions = glXQueryExtensionsString(display, 0);
- g_driver_glx.InitializeExtensionBindings();
-
- return true;
-}
+void* GLSurfaceQt::g_display = NULL;
+void* GLSurfaceQt::g_config = NULL;
+const char* GLSurfaceQt::g_extensions = NULL;
-bool GLSurfaceGLX::InitializeExtensionSettingsOneOff()
-{
- return GLSurfaceQtGLX::InitializeExtensionSettingsOneOff();
-}
-
-bool GLSurfaceGLX::HasGLXExtension(const char *name)
-{
- return ExtensionsContain(g_extensions, name);
-}
-
-bool GLSurfaceGLX::IsTextureFromPixmapSupported()
-{
- return ExtensionsContain(g_extensions, "GLX_EXT_texture_from_pixmap");
-}
-
-const char* GLSurfaceGLX::GetGLXExtensions()
-{
- return g_extensions;
-}
-
-bool GLSurfaceQtGLX::InitializeOneOff()
-{
- if (s_initialized)
- return true;
-
- XInitThreads();
-
- g_display = GLContextHelper::getXDisplay();
- if (!g_display) {
- LOG(ERROR) << "GLContextHelper::getXDisplay() failed.";
- return false;
- }
-
- g_config = GLContextHelper::getXConfig();
- if (!g_config) {
- LOG(ERROR) << "GLContextHelper::getXConfig() failed.";
- return false;
- }
-
- Display* display = static_cast<Display*>(g_display);
- int major, minor;
- if (!glXQueryVersion(display, &major, &minor)) {
- LOG(ERROR) << "glxQueryVersion failed.";
- return false;
- }
-
- if (major == 1 && minor < 3) {
- LOG(ERROR) << "GLX 1.3 or later is required.";
- return false;
- }
-
- s_initialized = true;
- return true;
-}
-
-bool GLSurfaceQtGLX::Initialize(GLSurfaceFormat format)
-{
- Q_ASSERT(!m_surfaceBuffer);
-
- Display* display = static_cast<Display*>(g_display);
- const int pbuffer_attributes[] = {
- GLX_PBUFFER_WIDTH, m_size.width(),
- GLX_PBUFFER_HEIGHT, m_size.height(),
- GLX_LARGEST_PBUFFER, x11::False,
- GLX_PRESERVED_CONTENTS, x11::False,
- GLX_NONE
- };
-
- m_surfaceBuffer = glXCreatePbuffer(display, static_cast<GLXFBConfig>(g_config), pbuffer_attributes);
- m_format = format;
-
- if (!m_surfaceBuffer) {
- Destroy();
- LOG(ERROR) << "glXCreatePbuffer failed.";
- return false;
- }
- return true;
-}
-
-void GLSurfaceQtGLX::Destroy()
-{
- if (m_surfaceBuffer) {
- glXDestroyPbuffer(static_cast<Display*>(g_display), m_surfaceBuffer);
- m_surfaceBuffer = 0;
- }
-}
-
-GLSurfaceQtGLX::GLSurfaceQtGLX(const gfx::Size& size)
- : GLSurfaceQt(size),
- m_surfaceBuffer(0)
-{
-}
-
-void* GLSurfaceQtGLX::GetHandle()
+GLSurfaceQt::~GLSurfaceQt()
{
- return reinterpret_cast<void*>(m_surfaceBuffer);
}
-#elif defined(OS_WIN)
+#if defined(OS_WIN)
class GLSurfaceQtWGL: public GLSurfaceQt {
public:
@@ -399,128 +157,6 @@ GLSurfaceQt::GLSurfaceQt()
{
}
-bool GLSurfaceQtEGL::InitializeOneOff()
-{
- if (s_initialized)
- return true;
-
- g_display = GLContextHelper::getEGLDisplay();
- if (!g_display) {
- LOG(ERROR) << "GLContextHelper::getEGLDisplay() failed.";
- return false;
- }
-
- g_config = GLContextHelper::getEGLConfig();
- if (!g_config) {
- LOG(ERROR) << "GLContextHelper::getEGLConfig() failed.";
- return false;
- }
-
- if (!eglInitialize(g_display, NULL, NULL)) {
- LOG(ERROR) << "eglInitialize failed with error " << GetLastEGLErrorString();
- return false;
- }
-
- s_initialized = true;
- return true;
-}
-
-EGLDisplay GLSurfaceEGL::GetHardwareDisplay()
-{
- return static_cast<EGLDisplay>(g_display);
-}
-
-bool GLSurfaceEGL::IsCreateContextRobustnessSupported()
-{
- return false;
-}
-
-bool GLSurfaceEGL::IsCreateContextBindGeneratesResourceSupported()
-{
- return false;
-}
-
-bool GLSurfaceEGL::IsCreateContextWebGLCompatabilitySupported()
-{
- return false;
-}
-
-bool GLSurfaceEGL::IsEGLContextPrioritySupported()
-{
- return false;
-}
-
-bool GLSurfaceEGL::IsRobustResourceInitSupported()
-{
- return false;
-}
-
-bool GLSurfaceEGL::IsDisplayTextureShareGroupSupported()
-{
- return false;
-}
-
-bool GLSurfaceEGL::IsCreateContextClientArraysSupported()
-{
- return false;
-}
-
-void GLSurfaceEGL::ShutdownOneOff()
-{
-}
-
-bool GLSurfaceQtEGL::InitializeExtensionSettingsOneOff()
-{
- if (!s_initialized)
- return false;
-
- g_extensions = eglQueryString(g_display, EGL_EXTENSIONS);
- g_egl_surfaceless_context_supported = ExtensionsContain(g_extensions, "EGL_KHR_surfaceless_context");
- if (g_egl_surfaceless_context_supported) {
- scoped_refptr<GLSurface> surface = new GLSurfacelessQtEGL(gfx::Size(1, 1));
- gl::GLContextAttribs attribs;
- scoped_refptr<GLContext> context = init::CreateGLContext(
- NULL, surface.get(), attribs);
-
- if (!context->MakeCurrent(surface.get()))
- g_egl_surfaceless_context_supported = false;
-
- // Ensure context supports GL_OES_surfaceless_context.
- if (g_egl_surfaceless_context_supported) {
- g_egl_surfaceless_context_supported = context->HasExtension(
- "GL_OES_surfaceless_context");
- context->ReleaseCurrent(surface.get());
- }
- }
-
- return true;
-}
-
-bool GLSurfaceEGL::InitializeExtensionSettingsOneOff()
-{
- return GLSurfaceQtEGL::InitializeExtensionSettingsOneOff();
-}
-
-const char* GLSurfaceEGL::GetEGLExtensions()
-{
- return g_extensions;
-}
-
-bool GLSurfaceEGL::HasEGLExtension(const char* name)
-{
- return ExtensionsContain(GetEGLExtensions(), name);
-}
-
-bool GLSurfaceEGL::InitializeOneOff(EGLNativeDisplayType /*native_display*/)
-{
- return GLSurfaceQtEGL::InitializeOneOff();
-}
-
-bool GLSurfaceEGL::IsAndroidNativeFenceSyncSupported()
-{
- return false;
-}
-
GLSurfaceQt::GLSurfaceQt(const gfx::Size& size)
: m_size(size)
{
@@ -535,52 +171,6 @@ bool GLSurfaceQt::HasEGLExtension(const char* name)
return ExtensionsContain(g_extensions, name);
}
-GLSurfaceQtEGL::GLSurfaceQtEGL(const gfx::Size& size)
- : GLSurfaceQt(size),
- m_surfaceBuffer(0)
-{
-}
-
-bool GLSurfaceQtEGL::Initialize(GLSurfaceFormat format)
-{
- Q_ASSERT(!m_surfaceBuffer);
- m_format = format;
-
- EGLDisplay display = g_display;
- if (!display) {
- LOG(ERROR) << "Trying to create surface with invalid display.";
- return false;
- }
-
- const EGLint pbuffer_attributes[] = {
- EGL_WIDTH, m_size.width(),
- EGL_HEIGHT, m_size.height(),
- EGL_LARGEST_PBUFFER, EGL_FALSE,
- EGL_NONE
- };
-
- m_surfaceBuffer = eglCreatePbufferSurface(display,
- g_config,
- pbuffer_attributes);
- if (!m_surfaceBuffer) {
- LOG(ERROR) << "eglCreatePbufferSurface failed with error " << GetLastEGLErrorString();
- Destroy();
- return false;
- }
-
- return true;
-}
-
-void GLSurfaceQtEGL::Destroy()
-{
- if (m_surfaceBuffer) {
- if (!eglDestroySurface(g_display, m_surfaceBuffer))
- LOG(ERROR) << "eglDestroySurface failed with error " << GetLastEGLErrorString();
-
- m_surfaceBuffer = 0;
- }
-}
-
bool GLSurfaceQt::IsOffscreen()
{
return true;
@@ -598,43 +188,11 @@ gfx::Size GLSurfaceQt::GetSize()
return m_size;
}
-
GLSurfaceFormat GLSurfaceQt::GetFormat()
{
return m_format;
}
-
-bool GLSurfaceQtEGL::Resize(const gfx::Size& size, float scale_factor, ColorSpace /*color_space*/, bool has_alpha)
-{
- if (size == m_size)
- return true;
-
- GLContext *currentContext = GLContext::GetCurrent();
- bool wasCurrent = currentContext && currentContext->IsCurrent(this);
- if (wasCurrent)
- currentContext->ReleaseCurrent(this);
-
- Destroy();
-
- m_size = size;
-
- if (!Initialize(GetFormat())) {
- LOG(ERROR) << "Failed to resize pbuffer.";
- return false;
- }
-
- if (wasCurrent)
- return currentContext->MakeCurrent(this);
-
- return true;
-}
-
-void* GLSurfaceQtEGL::GetHandle()
-{
- return reinterpret_cast<void*>(m_surfaceBuffer);
-}
-
void* GLSurfaceQt::GetDisplay()
{
return g_display;
@@ -645,42 +203,6 @@ void* GLSurfaceQt::GetConfig()
return g_config;
}
-GLSurfacelessQtEGL::GLSurfacelessQtEGL(const gfx::Size& size)
- : GLSurfaceQt(size)
-{
-}
-
-bool GLSurfacelessQtEGL::Initialize(GLSurfaceFormat format)
-{
- m_format = format;
- return true;
-}
-
-void GLSurfacelessQtEGL::Destroy()
-{
-}
-
-bool GLSurfacelessQtEGL::IsSurfaceless() const
-{
- return true;
-}
-
-bool GLSurfacelessQtEGL::Resize(const gfx::Size& size, float scale_factor, ColorSpace color_space, bool has_alpha)
-{
- m_size = size;
- return true;
-}
-
-EGLSurface GLSurfacelessQtEGL::GetHandle()
-{
- return EGL_NO_SURFACE;
-}
-
-void* GLSurfacelessQtEGL::GetShareHandle()
-{
- return NULL;
-}
-
namespace init {
bool InitializeGLOneOffPlatform()
@@ -693,17 +215,17 @@ bool InitializeGLOneOffPlatform()
return false;
if (GetGLImplementation() == kGLImplementationEGLGLES2)
- return GLSurfaceQtEGL::InitializeOneOff();
+ return GLSurfaceEGLQt::InitializeOneOff();
if (GetGLImplementation() == kGLImplementationDesktopGL) {
#if defined(OS_WIN)
return GLSurfaceQtWGL::InitializeOneOff();
#elif defined(USE_X11)
- if (GLSurfaceQtGLX::InitializeOneOff())
+ if (GLSurfaceGLXQt::InitializeOneOff())
return true;
#endif
// Fallback to trying EGL with desktop GL.
- if (GLSurfaceQtEGL::InitializeOneOff()) {
+ if (GLSurfaceEGLQt::InitializeOneOff()) {
g_initializedEGL = true;
return true;
}
@@ -731,7 +253,7 @@ CreateOffscreenGLSurfaceWithFormat(const gfx::Size& size, GLSurfaceFormat format
break;
#elif defined(USE_X11)
if (!g_initializedEGL) {
- surface = new GLSurfaceQtGLX(size);
+ surface = new GLSurfaceGLXQt(size);
if (surface->Initialize(format))
return surface;
}
@@ -739,14 +261,14 @@ CreateOffscreenGLSurfaceWithFormat(const gfx::Size& size, GLSurfaceFormat format
#endif
}
case kGLImplementationEGLGLES2: {
- surface = new GLSurfaceQtEGL(size);
+ surface = new GLSurfaceEGLQt(size);
if (surface->Initialize(format))
return surface;
// Surfaceless context will be used ONLY if pseudo surfaceless context
// is not available since some implementations of surfaceless context
// have problems. (e.g. QTBUG-57290)
- if (g_egl_surfaceless_context_supported) {
+ if (GLSurfaceEGLQt::g_egl_surfaceless_context_supported) {
surface = new GLSurfacelessQtEGL(size);
if (surface->Initialize(format))
return surface;
@@ -770,18 +292,6 @@ CreateViewGLSurface(gfx::AcceleratedWidget window)
}
} // namespace init
-
-std::string DriverEGL::GetPlatformExtensions()
-{
- EGLDisplay display = GLContextHelper::getEGLDisplay();
- if (display == EGL_NO_DISPLAY)
- return "";
-
- DCHECK(g_driver_egl.fn.eglQueryStringFn);
- const char* str = g_driver_egl.fn.eglQueryStringFn(display, EGL_EXTENSIONS);
- return str ? std::string(str) : "";
-}
-
} // namespace gl
namespace gpu {
diff --git a/src/core/gl_surface_qt.h b/src/core/gl_surface_qt.h
index ceb8cbba3..514527df9 100644
--- a/src/core/gl_surface_qt.h
+++ b/src/core/gl_surface_qt.h
@@ -68,6 +68,11 @@ protected:
gfx::Size m_size;
GLSurfaceFormat m_format;
+public:
+ static void* g_config;
+ static void* g_display;
+ static const char* g_extensions;
+
private:
DISALLOW_COPY_AND_ASSIGN(GLSurfaceQt);
};
diff --git a/src/core/ozone/gl_surface_egl_qt.cpp b/src/core/ozone/gl_surface_egl_qt.cpp
new file mode 100644
index 000000000..0f21b8dfe
--- /dev/null
+++ b/src/core/ozone/gl_surface_egl_qt.cpp
@@ -0,0 +1,318 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "gl_context_qt.h"
+#include "ozone/gl_surface_egl_qt.h"
+
+#if !defined(OS_MACOSX)
+#include "ui/gl/gl_surface_egl.h"
+#include "ui/gl/egl_util.h"
+#include "ui/gl/init/gl_factory.h"
+
+// From ANGLE's egl/eglext.h.
+#ifndef EGL_ANGLE_surface_d3d_texture_2d_share_handle
+#define EGL_ANGLE_surface_d3d_texture_2d_share_handle 1
+#define EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE 0x3200
+#endif
+
+using ui::GetLastEGLErrorString;
+
+namespace gl{
+
+bool GLSurfaceEGLQt::g_egl_surfaceless_context_supported = false;
+bool GLSurfaceEGLQt::s_initialized = false;
+
+GLSurfaceEGLQt::~GLSurfaceEGLQt()
+{
+ Destroy();
+}
+
+bool GLSurfaceEGLQt::InitializeOneOff()
+{
+ if (s_initialized)
+ return true;
+
+ g_display = GLContextHelper::getEGLDisplay();
+ if (!g_display) {
+ LOG(ERROR) << "GLContextHelper::getEGLDisplay() failed.";
+ return false;
+ }
+
+ g_config = GLContextHelper::getEGLConfig();
+ if (!g_config) {
+ LOG(ERROR) << "GLContextHelper::getEGLConfig() failed.";
+ return false;
+ }
+
+ if (!eglInitialize(g_display, NULL, NULL)) {
+ LOG(ERROR) << "eglInitialize failed with error " << GetLastEGLErrorString();
+ return false;
+ }
+
+ s_initialized = true;
+ return true;
+}
+
+bool GLSurfaceEGLQt::InitializeExtensionSettingsOneOff()
+{
+ if (!s_initialized)
+ return false;
+
+ g_extensions = eglQueryString(g_display, EGL_EXTENSIONS);
+ g_egl_surfaceless_context_supported = ExtensionsContain(g_extensions, "EGL_KHR_surfaceless_context");
+ if (g_egl_surfaceless_context_supported) {
+ scoped_refptr<GLSurface> surface = new GLSurfacelessQtEGL(gfx::Size(1, 1));
+ gl::GLContextAttribs attribs;
+ scoped_refptr<GLContext> context = init::CreateGLContext(
+ NULL, surface.get(), attribs);
+
+ if (!context->MakeCurrent(surface.get()))
+ g_egl_surfaceless_context_supported = false;
+
+ // Ensure context supports GL_OES_surfaceless_context.
+ if (g_egl_surfaceless_context_supported) {
+ g_egl_surfaceless_context_supported = context->HasExtension(
+ "GL_OES_surfaceless_context");
+ context->ReleaseCurrent(surface.get());
+ }
+ }
+
+ return true;
+}
+
+bool GLSurfaceEGL::InitializeExtensionSettingsOneOff()
+{
+ return GLSurfaceEGLQt::InitializeExtensionSettingsOneOff();
+}
+
+EGLDisplay GLSurfaceEGL::GetHardwareDisplay()
+{
+ return static_cast<EGLDisplay>(GLSurfaceQt::g_display);
+}
+
+bool GLSurfaceEGL::IsCreateContextRobustnessSupported()
+{
+ return false;
+}
+
+bool GLSurfaceEGL::IsCreateContextBindGeneratesResourceSupported()
+{
+ return false;
+}
+
+bool GLSurfaceEGL::IsCreateContextWebGLCompatabilitySupported()
+{
+ return false;
+}
+
+bool GLSurfaceEGL::IsEGLContextPrioritySupported()
+{
+ return false;
+}
+
+bool GLSurfaceEGL::IsRobustResourceInitSupported()
+{
+ return false;
+}
+
+bool GLSurfaceEGL::IsDisplayTextureShareGroupSupported()
+{
+ return false;
+}
+
+bool GLSurfaceEGL::IsCreateContextClientArraysSupported()
+{
+ return false;
+}
+
+void GLSurfaceEGL::ShutdownOneOff()
+{
+}
+
+const char* GLSurfaceEGL::GetEGLExtensions()
+{
+ return GLSurfaceQt::g_extensions;
+}
+
+bool GLSurfaceEGL::HasEGLExtension(const char* name)
+{
+ return ExtensionsContain(GetEGLExtensions(), name);
+}
+
+bool GLSurfaceEGL::InitializeOneOff(EGLNativeDisplayType /*native_display*/)
+{
+ return GLSurfaceEGLQt::InitializeOneOff();
+}
+
+bool GLSurfaceEGL::IsAndroidNativeFenceSyncSupported()
+{
+ return false;
+}
+
+GLSurfaceEGLQt::GLSurfaceEGLQt(const gfx::Size& size)
+ : GLSurfaceQt(size),
+ m_surfaceBuffer(0)
+{
+}
+
+bool GLSurfaceEGLQt::Initialize(GLSurfaceFormat format)
+{
+ Q_ASSERT(!m_surfaceBuffer);
+ m_format = format;
+
+ EGLDisplay display = g_display;
+ if (!display) {
+ LOG(ERROR) << "Trying to create surface with invalid display.";
+ return false;
+ }
+
+ const EGLint pbuffer_attributes[] = {
+ EGL_WIDTH, m_size.width(),
+ EGL_HEIGHT, m_size.height(),
+ EGL_LARGEST_PBUFFER, EGL_FALSE,
+ EGL_NONE
+ };
+
+ m_surfaceBuffer = eglCreatePbufferSurface(display,
+ g_config,
+ pbuffer_attributes);
+ if (!m_surfaceBuffer) {
+ LOG(ERROR) << "eglCreatePbufferSurface failed with error " << GetLastEGLErrorString();
+ Destroy();
+ return false;
+ }
+
+ return true;
+}
+
+void GLSurfaceEGLQt::Destroy()
+{
+ if (m_surfaceBuffer) {
+ if (!eglDestroySurface(g_display, m_surfaceBuffer))
+ LOG(ERROR) << "eglDestroySurface failed with error " << GetLastEGLErrorString();
+
+ m_surfaceBuffer = 0;
+ }
+}
+
+bool GLSurfaceEGLQt::Resize(const gfx::Size& size, float scale_factor,
+ ColorSpace color_space, bool has_alpha)
+{
+ if (size == m_size)
+ return true;
+
+ GLContext *currentContext = GLContext::GetCurrent();
+ bool wasCurrent = currentContext && currentContext->IsCurrent(this);
+ if (wasCurrent)
+ currentContext->ReleaseCurrent(this);
+
+ Destroy();
+
+ m_size = size;
+
+ if (!Initialize(GetFormat())) {
+ LOG(ERROR) << "Failed to resize pbuffer.";
+ return false;
+ }
+
+ if (wasCurrent)
+ return currentContext->MakeCurrent(this);
+
+ return true;
+}
+
+void* GLSurfaceEGLQt::GetHandle()
+{
+ return reinterpret_cast<void*>(m_surfaceBuffer);
+}
+
+GLSurfacelessQtEGL::GLSurfacelessQtEGL(const gfx::Size& size)
+ : GLSurfaceQt(size)
+{
+}
+
+bool GLSurfacelessQtEGL::Initialize(GLSurfaceFormat format)
+{
+ m_format = format;
+ return true;
+}
+
+void GLSurfacelessQtEGL::Destroy()
+{
+}
+
+bool GLSurfacelessQtEGL::IsSurfaceless() const
+{
+ return true;
+}
+
+bool GLSurfacelessQtEGL::Resize(const gfx::Size& size, float scale_factor,
+ ColorSpace color_space, bool has_alpha)
+{
+ m_size = size;
+ return true;
+}
+
+EGLSurface GLSurfacelessQtEGL::GetHandle()
+{
+ return EGL_NO_SURFACE;
+}
+
+void* GLSurfacelessQtEGL::GetShareHandle()
+{
+ return NULL;
+}
+
+std::string DriverEGL::GetPlatformExtensions()
+{
+ EGLDisplay display = GLContextHelper::getEGLDisplay();
+ if (display == EGL_NO_DISPLAY)
+ return "";
+
+ DCHECK(g_driver_egl.fn.eglQueryStringFn);
+ const char* str = g_driver_egl.fn.eglQueryStringFn(display, EGL_EXTENSIONS);
+ return str ? std::string(str) : "";
+}
+
+} // namespace gl
+#endif // !defined(OS_MACOSX)
diff --git a/src/core/ozone/gl_surface_egl_qt.h b/src/core/ozone/gl_surface_egl_qt.h
new file mode 100644
index 000000000..ecc2327b3
--- /dev/null
+++ b/src/core/ozone/gl_surface_egl_qt.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GL_SURFACE_EGL_QT_H_
+#define GL_SURFACE_EGL_QT_H_
+
+#include "gl_surface_qt.h"
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+namespace gl {
+
+class GLSurfaceEGLQt: public GLSurfaceQt {
+public:
+ explicit GLSurfaceEGLQt(const gfx::Size& size);
+
+ static bool InitializeOneOff();
+ static bool InitializeExtensionSettingsOneOff();
+
+ bool Initialize(GLSurfaceFormat format) override;
+ void Destroy() override;
+ void* GetHandle() override;
+ bool Resize(const gfx::Size& size, float scale_factor,
+ ColorSpace color_space, bool has_alpha) override;
+
+protected:
+ ~GLSurfaceEGLQt();
+
+public:
+ static bool g_egl_surfaceless_context_supported;
+
+private:
+ EGLSurface m_surfaceBuffer;
+ static bool s_initialized;
+ DISALLOW_COPY_AND_ASSIGN(GLSurfaceEGLQt);
+};
+
+// The following comment is cited from chromium/ui/gl/gl_surface_egl.cc:
+// SurfacelessEGL is used as Offscreen surface when platform supports
+// KHR_surfaceless_context and GL_OES_surfaceless_context. This would avoid the
+// need to create a dummy EGLsurface in case we render to client API targets.
+
+class GLSurfacelessQtEGL : public GLSurfaceQt {
+public:
+ explicit GLSurfacelessQtEGL(const gfx::Size& size);
+
+public:
+ bool Initialize(GLSurfaceFormat format) override;
+ void Destroy() override;
+ bool IsSurfaceless() const override;
+ bool Resize(const gfx::Size& size, float scale_factor,
+ ColorSpace color_space, bool has_alpha) override;
+ EGLSurface GetHandle() override;
+ void* GetShareHandle() override;
+
+private:
+ DISALLOW_COPY_AND_ASSIGN(GLSurfacelessQtEGL);
+};
+}
+
+#endif
diff --git a/src/core/ozone/gl_surface_glx_qt.cpp b/src/core/ozone/gl_surface_glx_qt.cpp
new file mode 100644
index 000000000..51b0f58b0
--- /dev/null
+++ b/src/core/ozone/gl_surface_glx_qt.cpp
@@ -0,0 +1,213 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#if defined(USE_X11)
+
+#include "gl_context_qt.h"
+#include "ozone/gl_surface_glx_qt.h"
+#include "ui/gl/gl_bindings.h"
+#include "ui/gl/gl_surface_glx.h"
+#include <GL/glx.h>
+#include <GL/glxext.h>
+
+namespace gl {
+
+bool GLSurfaceGLXQt::s_initialized = false;
+
+GLSurfaceGLXQt::~GLSurfaceGLXQt()
+{
+ Destroy();
+}
+
+void GLSurfaceGLX::ShutdownOneOff()
+{
+}
+
+bool GLSurfaceGLX::IsCreateContextSupported()
+{
+ return ExtensionsContain(GLSurfaceQt::g_extensions, "GLX_ARB_create_context");
+}
+
+bool GLSurfaceGLX::IsCreateContextRobustnessSupported()
+{
+ return false; // ExtensionsContain(g_extensions, "GLX_ARB_create_context_robustness");
+}
+
+bool GLSurfaceGLX::IsEXTSwapControlSupported()
+{
+ return HasGLXExtension("GLX_EXT_swap_control");
+}
+
+bool GLSurfaceGLX::IsMESASwapControlSupported()
+{
+ return HasGLXExtension("GLX_MESA_swap_control");
+}
+
+bool GLSurfaceGLX::IsCreateContextProfileSupported()
+{
+ return false; // ExtensionsContain(g_extensions, "GLX_ARB_create_context_profile");
+}
+
+bool GLSurfaceGLX::IsCreateContextES2ProfileSupported()
+{
+ return ExtensionsContain(GLSurfaceQt::g_extensions, "GLX_ARB_create_context_es2_profile");
+}
+
+bool GLSurfaceGLX::IsOMLSyncControlSupported()
+{
+ return false; // ExtensionsContain(g_extensions, "GLX_OML_sync_control");
+}
+
+bool GLSurfaceGLX::HasGLXExtension(const char *name)
+{
+ return ExtensionsContain(GLSurfaceQt::g_extensions, name);
+}
+
+bool GLSurfaceGLX::IsTextureFromPixmapSupported()
+{
+ return ExtensionsContain(GLSurfaceQt::g_extensions, "GLX_EXT_texture_from_pixmap");
+}
+
+const char* GLSurfaceGLX::GetGLXExtensions()
+{
+ return GLSurfaceQt::g_extensions;
+}
+
+bool GLSurfaceGLXQt::InitializeOneOff()
+{
+ if (s_initialized)
+ return true;
+
+ XInitThreads();
+
+ g_display = GLContextHelper::getXDisplay();
+ if (!g_display) {
+ LOG(ERROR) << "GLContextHelper::getXDisplay() failed.";
+ return false;
+ }
+
+ g_config = GLContextHelper::getXConfig();
+ if (!g_config) {
+ LOG(ERROR) << "GLContextHelper::getXConfig() failed.";
+ return false;
+ }
+
+ Display* display = static_cast<Display*>(g_display);
+ int major, minor;
+ if (!glXQueryVersion(display, &major, &minor)) {
+ LOG(ERROR) << "glxQueryVersion failed.";
+ return false;
+ }
+
+ if (major == 1 && minor < 3) {
+ LOG(ERROR) << "GLX 1.3 or later is required.";
+ return false;
+ }
+
+ s_initialized = true;
+ return true;
+}
+
+
+bool GLSurfaceGLXQt::InitializeExtensionSettingsOneOff()
+{
+ if (!s_initialized)
+ return false;
+
+ Display* display = static_cast<Display*>(g_display);
+ GLSurfaceQt::g_extensions = glXQueryExtensionsString(display, 0);
+ g_driver_glx.InitializeExtensionBindings();
+ return true;
+}
+
+bool GLSurfaceGLX::InitializeExtensionSettingsOneOff()
+{
+ return GLSurfaceGLXQt::InitializeExtensionSettingsOneOff();
+}
+
+bool GLSurfaceGLXQt::Initialize(GLSurfaceFormat format)
+{
+ Q_ASSERT(!m_surfaceBuffer);
+
+ Display* display = static_cast<Display*>(g_display);
+ const int pbuffer_attributes[] = {
+ GLX_PBUFFER_WIDTH, m_size.width(),
+ GLX_PBUFFER_HEIGHT, m_size.height(),
+ GLX_LARGEST_PBUFFER, x11::False,
+ GLX_PRESERVED_CONTENTS, x11::False,
+ GLX_NONE
+ };
+
+ m_surfaceBuffer = glXCreatePbuffer(display, static_cast<GLXFBConfig>(g_config), pbuffer_attributes);
+ m_format = format;
+
+ if (!m_surfaceBuffer) {
+ Destroy();
+ LOG(ERROR) << "glXCreatePbuffer failed.";
+ return false;
+ }
+ return true;
+}
+
+void GLSurfaceGLXQt::Destroy()
+{
+ if (m_surfaceBuffer) {
+ glXDestroyPbuffer(static_cast<Display*>(g_display), m_surfaceBuffer);
+ m_surfaceBuffer = 0;
+ }
+}
+
+GLSurfaceGLXQt::GLSurfaceGLXQt(const gfx::Size& size)
+ : GLSurfaceQt(size),
+ m_surfaceBuffer(0)
+{
+}
+
+void* GLSurfaceGLXQt::GetHandle()
+{
+ return reinterpret_cast<void*>(m_surfaceBuffer);
+}
+
+} //namespace gl
+
+#endif // defined(USE_X11)
diff --git a/src/core/ozone/gl_surface_glx_qt.h b/src/core/ozone/gl_surface_glx_qt.h
new file mode 100644
index 000000000..3a465f448
--- /dev/null
+++ b/src/core/ozone/gl_surface_glx_qt.h
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GL_SURFACE_GLX_QT_H_
+#define GL_SURFACE_GLX_QT_H_
+
+#include "gl_surface_qt.h"
+
+extern "C" {
+#include <X11/Xlib.h>
+}
+
+namespace gl {
+
+class GLSurfaceGLXQt: public GLSurfaceQt {
+public:
+ explicit GLSurfaceGLXQt(const gfx::Size& size);
+
+ static bool InitializeOneOff();
+ static bool InitializeExtensionSettingsOneOff();
+
+ bool Initialize(GLSurfaceFormat format) override;
+ void Destroy() override;
+ void* GetHandle() override;
+
+protected:
+ ~GLSurfaceGLXQt();
+
+private:
+ static bool s_initialized;
+ XID m_surfaceBuffer;
+ DISALLOW_COPY_AND_ASSIGN(GLSurfaceGLXQt);
+};
+
+}
+#endif
--
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