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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/x11/vulkan_implementation_x11.h"
#include <optional>
#include "base/base_paths.h"
#include "base/files/file_path.h"
#include "base/functional/callback_helpers.h"
#include "base/notreached.h"
#include "base/path_service.h"
#include "base/scoped_environment_variable_override.h"
#include "gpu/vulkan/vulkan_function_pointers.h"
#include "gpu/vulkan/vulkan_image.h"
#include "gpu/vulkan/vulkan_instance.h"
#include "gpu/vulkan/vulkan_surface.h"
#include "gpu/vulkan/vulkan_util.h"
#include "ui/base/x/x11_util.h"
#include "ui/gfx/gpu_fence.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gfx/x/connection.h"
#include "ui/ozone/platform/x11/vulkan_surface_x11.h"
namespace ui {
VulkanImplementationX11::VulkanImplementationX11(bool use_swiftshader)
: gpu::VulkanImplementation(use_swiftshader) {
x11::Connection::Get();
}
VulkanImplementationX11::~VulkanImplementationX11() = default;
bool VulkanImplementationX11::InitializeVulkanInstance(bool using_surface) {
if (using_surface && !use_swiftshader() && !ui::IsVulkanSurfaceSupported())
using_surface = false;
using_surface_ = using_surface;
// Unset DISPLAY env, so the vulkan can be initialized successfully, if the X
// server doesn't support Vulkan surface.
std::optional<base::ScopedEnvironmentVariableOverride> unset_display;
if (!using_surface_) {
unset_display =
std::optional<base::ScopedEnvironmentVariableOverride>("DISPLAY");
}
std::vector<const char*> required_extensions = {
VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME,
VK_KHR_EXTERNAL_SEMAPHORE_CAPABILITIES_EXTENSION_NAME};
if (using_surface_) {
required_extensions.push_back(VK_KHR_SURFACE_EXTENSION_NAME);
required_extensions.push_back(VK_KHR_XCB_SURFACE_EXTENSION_NAME);
}
base::FilePath path;
if (use_swiftshader()) {
if (!base::PathService::Get(base::DIR_MODULE, &path))
return false;
path = path.Append("libvk_swiftshader.so");
} else {
path = base::FilePath("libvulkan.so.1");
}
return vulkan_instance_.Initialize(path, required_extensions, {});
}
gpu::VulkanInstance* VulkanImplementationX11::GetVulkanInstance() {
return &vulkan_instance_;
}
std::unique_ptr<gpu::VulkanSurface> VulkanImplementationX11::CreateViewSurface(
gfx::AcceleratedWidget window) {
if (!using_surface_)
return nullptr;
return VulkanSurfaceX11::Create(vulkan_instance_.vk_instance(),
static_cast<x11::Window>(window));
}
bool VulkanImplementationX11::GetPhysicalDevicePresentationSupport(
VkPhysicalDevice device,
const std::vector<VkQueueFamilyProperties>& queue_family_properties,
uint32_t queue_family_index) {
// TODO(samans): Don't early out once Swiftshader supports this method.
// https://crbug.com/swiftshader/129
if (use_swiftshader())
return true;
auto* connection = x11::Connection::Get();
return vkGetPhysicalDeviceXcbPresentationSupportKHR(
device, queue_family_index,
connection->GetXlibDisplay().GetXcbConnection(),
static_cast<xcb_visualid_t>(connection->default_root_visual().visual_id));
}
std::vector<const char*>
VulkanImplementationX11::GetRequiredDeviceExtensions() {
std::vector<const char*> extensions = {};
if (using_surface_)
extensions.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
return extensions;
}
std::vector<const char*>
VulkanImplementationX11::GetOptionalDeviceExtensions() {
return {
VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME,
VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
VK_KHR_EXTERNAL_SEMAPHORE_EXTENSION_NAME,
VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME,
VK_KHR_INCREMENTAL_PRESENT_EXTENSION_NAME,
VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME,
VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME,
};
}
VkFence VulkanImplementationX11::CreateVkFenceForGpuFence(VkDevice vk_device) {
NOTREACHED();
}
std::unique_ptr<gfx::GpuFence> VulkanImplementationX11::ExportVkFenceToGpuFence(
VkDevice vk_device,
VkFence vk_fence) {
NOTREACHED();
}
VkExternalSemaphoreHandleTypeFlagBits
VulkanImplementationX11::GetExternalSemaphoreHandleType() {
return VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
}
bool VulkanImplementationX11::CanImportGpuMemoryBuffer(
gpu::VulkanDeviceQueue* device_queue,
gfx::GpuMemoryBufferType memory_buffer_type) {
const auto& enabled_extensions = device_queue->enabled_extensions();
return gfx::HasExtension(enabled_extensions,
VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME) &&
gfx::HasExtension(enabled_extensions,
VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME) &&
memory_buffer_type == gfx::GpuMemoryBufferType::NATIVE_PIXMAP;
}
std::unique_ptr<gpu::VulkanImage>
VulkanImplementationX11::CreateImageFromGpuMemoryHandle(
gpu::VulkanDeviceQueue* device_queue,
gfx::GpuMemoryBufferHandle gmb_handle,
gfx::Size size,
VkFormat vk_format,
const gfx::ColorSpace& color_space) {
constexpr auto kUsage =
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
auto tiling = gmb_handle.native_pixmap_handle().modifier ==
gfx::NativePixmapHandle::kNoModifier
? VK_IMAGE_TILING_OPTIMAL
: VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT;
return gpu::VulkanImage::CreateFromGpuMemoryBufferHandle(
device_queue, std::move(gmb_handle), size, vk_format, kUsage, /*flags=*/0,
tiling, VK_QUEUE_FAMILY_EXTERNAL);
}
} // namespace ui
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