Hash :
1f344d60
Author :
Date :
2020-11-05T16:33:42
Vulkan: Add support for headless surface How to enable: add below args config to args.gn in linux build ``` use_x11=false use_ozone=false angle_vulkan_display_mode="headless" ``` Bug: angleproject:5260 Change-Id: Iec931e74c061b56376ef028814859aa58af07f2f Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2536518 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
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//
// Copyright 2020 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.
//
// DisplayVkHeadless.cpp:
// Implements the class methods for DisplayVkHeadless.
//
#include "DisplayVkHeadless.h"
#include "WindowSurfaceVkHeadless.h"
#include "libANGLE/Display.h"
#include "libANGLE/renderer/vulkan/RendererVk.h"
#include "libANGLE/renderer/vulkan/vk_caps_utils.h"
namespace rx
{
DisplayVkHeadless::DisplayVkHeadless(const egl::DisplayState &state) : DisplayVk(state) {}
void DisplayVkHeadless::terminate()
{
DisplayVk::terminate();
}
bool DisplayVkHeadless::isValidNativeWindow(EGLNativeWindowType window) const
{
return true;
}
SurfaceImpl *DisplayVkHeadless::createWindowSurfaceVk(const egl::SurfaceState &state,
EGLNativeWindowType window)
{
return new WindowSurfaceVkHeadless(state, window);
}
egl::ConfigSet DisplayVkHeadless::generateConfigs()
{
constexpr GLenum kColorFormats[] = {GL_RGBA8, GL_BGRA8_EXT, GL_RGB565, GL_RGB8};
return egl_vk::GenerateConfigs(kColorFormats, egl_vk::kConfigDepthStencilFormats, this);
}
void DisplayVkHeadless::checkConfigSupport(egl::Config *config) {}
const char *DisplayVkHeadless::getWSIExtension() const
{
return VK_EXT_HEADLESS_SURFACE_EXTENSION_NAME;
}
bool IsVulkanHeadlessDisplayAvailable()
{
return true;
}
DisplayImpl *CreateVulkanHeadlessDisplay(const egl::DisplayState &state)
{
return new DisplayVkHeadless(state);
}
} // namespace rx