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/*
* Copyright (C) 2015 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "PlatformDisplayLibWPE.h"
#if USE(WPE_RENDERER)
#include "GLContext.h"
#if USE(LIBEPOXY)
// FIXME: For now default to the GBM EGL platform, but this should really be
// somehow deducible from the build configuration.
#define __GBM__ 1
#include <epoxy/egl.h>
#else
#if PLATFORM(WAYLAND)
// These includes need to be in this order because wayland-egl.h defines WL_EGL_PLATFORM
// and eglplatform.h, included by egl.h, checks that to decide whether it's Wayland platform.
#include <wayland-egl.h>
#endif
#include <EGL/egl.h>
#endif
#include <wpe/wpe-egl.h>
#ifndef EGL_EXT_platform_base
#define EGL_EXT_platform_base 1
typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETPLATFORMDISPLAYEXTPROC) (EGLenum platform, void *native_display, const EGLint *attrib_list);
#endif
namespace WebCore {
std::unique_ptr<PlatformDisplayLibWPE> PlatformDisplayLibWPE::create(int hostFd)
{
auto* backend = wpe_renderer_backend_egl_create(hostFd);
if (!backend)
return nullptr;
EGLNativeDisplayType eglNativeDisplay = wpe_renderer_backend_egl_get_native_display(backend);
std::unique_ptr<GLDisplay> glDisplay;
#if WPE_CHECK_VERSION(1, 1, 0)
uint32_t eglPlatform = wpe_renderer_backend_egl_get_platform(backend);
if (eglPlatform) {
using GetPlatformDisplayType = PFNEGLGETPLATFORMDISPLAYEXTPROC;
GetPlatformDisplayType getPlatformDisplay =
[] {
const char* extensions = eglQueryString(nullptr, EGL_EXTENSIONS);
if (GLContext::isExtensionSupported(extensions, "EGL_EXT_platform_base")) {
if (auto extension = reinterpret_cast<GetPlatformDisplayType>(eglGetProcAddress("eglGetPlatformDisplayEXT")))
return extension;
}
if (GLContext::isExtensionSupported(extensions, "EGL_KHR_platform_base")) {
if (auto extension = reinterpret_cast<GetPlatformDisplayType>(eglGetProcAddress("eglGetPlatformDisplay")))
return extension;
}
return GetPlatformDisplayType(nullptr);
}();
if (getPlatformDisplay)
glDisplay = GLDisplay::create(getPlatformDisplay(eglPlatform, eglNativeDisplay, nullptr));
}
#endif
if (!glDisplay)
glDisplay = GLDisplay::create(eglGetDisplay(eglNativeDisplay));
if (!glDisplay) {
WTFLogAlways("Could not create WPE EGL display: %s. Aborting...", GLContext::lastErrorString());
CRASH();
}
return std::unique_ptr<PlatformDisplayLibWPE>(new PlatformDisplayLibWPE(WTFMove(glDisplay), backend));
}
PlatformDisplayLibWPE::PlatformDisplayLibWPE(std::unique_ptr<GLDisplay>&& glDisplay, struct wpe_renderer_backend_egl* backend)
: PlatformDisplay(WTFMove(glDisplay))
, m_backend(backend)
{
#if ENABLE(WEBGL)
#if WPE_CHECK_VERSION(1, 1, 0)
m_anglePlatform = wpe_renderer_backend_egl_get_platform(m_backend);
#endif
m_angleNativeDisplay = wpe_renderer_backend_egl_get_native_display(m_backend);
#endif
}
PlatformDisplayLibWPE::~PlatformDisplayLibWPE()
{
if (m_backend)
wpe_renderer_backend_egl_destroy(m_backend);
}
} // namespace WebCore
#endif // USE(WPE_RENDERER)
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