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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_VULKAN_VULKAN_IMPLEMENTATION_H_
#define GPU_VULKAN_VULKAN_IMPLEMENTATION_H_
#include <vulkan/vulkan_core.h>
#include <memory>
#include <vector>
#include "base/component_export.h"
#include "build/build_config.h"
#include "components/viz/common/resources/shared_image_format.h"
#include "gpu/vulkan/semaphore_handle.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer_handle.h"
#include "ui/gfx/native_ui_types.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/scoped_hardware_buffer_handle.h"
#endif
namespace gfx {
class GpuFence;
} // namespace gfx
namespace gpu {
class VulkanDeviceQueue;
class VulkanSurface;
class VulkanImage;
class VulkanInstance;
struct GPUInfo;
struct VulkanYCbCrInfo;
// Base class which provides functions for creating vulkan objects for different
// platforms that use platform-specific extensions (e.g. for creation of
// VkSurfaceKHR objects). It also provides helper/utility functions.
class COMPONENT_EXPORT(VULKAN) VulkanImplementation {
public:
explicit VulkanImplementation(bool use_swiftshader = false,
bool allow_protected_memory = false);
VulkanImplementation(const VulkanImplementation&) = delete;
VulkanImplementation& operator=(const VulkanImplementation&) = delete;
virtual ~VulkanImplementation();
// Initialize VulkanInstance. If using_surface, VK_KHR_surface instance
// extension will be required when initialize VkInstance. This extension is
// required for presenting with VkSwapchain API.
virtual bool InitializeVulkanInstance(bool using_surface = true) = 0;
virtual VulkanInstance* GetVulkanInstance() = 0;
virtual std::unique_ptr<VulkanSurface> CreateViewSurface(
gfx::AcceleratedWidget window) = 0;
virtual bool GetPhysicalDevicePresentationSupport(
VkPhysicalDevice device,
const std::vector<VkQueueFamilyProperties>& queue_family_properties,
uint32_t queue_family_index) = 0;
virtual std::vector<const char*> GetRequiredDeviceExtensions() = 0;
virtual std::vector<const char*> GetOptionalDeviceExtensions() = 0;
// Creates a VkFence that is exportable to a gfx::GpuFence.
virtual VkFence CreateVkFenceForGpuFence(VkDevice vk_device) = 0;
// Exports a VkFence to a gfx::GpuFence.
//
// The fence should have been created via CreateVkFenceForGpuFence().
virtual std::unique_ptr<gfx::GpuFence> ExportVkFenceToGpuFence(
VkDevice vk_device,
VkFence vk_fence) = 0;
// Creates a semaphore that can be exported using GetSemaphoreHandle().
virtual VkSemaphore CreateExternalSemaphore(VkDevice vk_device);
// Import a VkSemaphore from a platform-specific handle.
// Handle types that don't allow permanent import are imported with
// temporary permanence (VK_SEMAPHORE_IMPORT_TEMPORARY_BIT).
virtual VkSemaphore ImportSemaphoreHandle(VkDevice vk_device,
SemaphoreHandle handle);
// Export a platform-specific handle for a Vulkan semaphore. Returns a null
// handle in case of a failure.
virtual SemaphoreHandle GetSemaphoreHandle(VkDevice vk_device,
VkSemaphore vk_semaphore);
// Returns VkExternalSemaphoreHandleTypeFlagBits that should be used when
// creating and exporting external semaphores.
virtual VkExternalSemaphoreHandleTypeFlagBits
GetExternalSemaphoreHandleType() = 0;
// Returns true if the GpuMemoryBuffer of the specified type can be imported
// into VkImage using CreateImageFromGpuMemoryHandle().
virtual bool CanImportGpuMemoryBuffer(
VulkanDeviceQueue* device_queue,
gfx::GpuMemoryBufferType memory_buffer_type) = 0;
// Creates a VkImage from a GpuMemoryBuffer. Implementation must verify that
// the specified |size| fits in the size specified when |gmb_handle| was
// allocated.
virtual std::unique_ptr<VulkanImage> CreateImageFromGpuMemoryHandle(
VulkanDeviceQueue* device_queue,
gfx::GpuMemoryBufferHandle gmb_handle,
gfx::Size size,
VkFormat vk_format,
const gfx::ColorSpace& color_space) = 0;
// Returns whether external semaphores are supported by this device.
virtual bool IsExternalSemaphoreSupported(VulkanDeviceQueue* device_queue);
#if BUILDFLAG(IS_ANDROID)
// Get the sampler ycbcr conversion information from the AHB.
virtual bool GetSamplerYcbcrConversionInfo(
const VkDevice& vk_device,
base::android::ScopedHardwareBufferHandle ahb_handle,
VulkanYCbCrInfo* ycbcr_info) = 0;
#endif
#if BUILDFLAG(IS_FUCHSIA)
// Registers a sysmem buffer collection. `service_handle` contains a handle
// for the eventpair that controls the lifetime of the collection. The
// implementation must drop the collection when all peer handles for
// that eventpair are destroyed (i.e. when `ZX_EVENTPAIR_PEER_CLOSED` is
// signaled on that handle). Once a collection is registered the individual
// buffers in the collection can be referenced by using the peer of
// `service_handle` as `buffer_collection_handle` in `gmb_handle` passed to
// CreateImageFromGpuMemoryHandle().
virtual void RegisterSysmemBufferCollection(
VkDevice device,
zx::eventpair service_handle,
zx::channel sysmem_token,
viz::SharedImageFormat format,
gfx::BufferUsage usage,
gfx::Size size,
size_t min_buffer_count,
bool register_with_image_pipe) = 0;
#endif // BUILDFLAG(IS_FUCHSIA)
bool use_swiftshader() const { return use_swiftshader_; }
bool allow_protected_memory() const { return allow_protected_memory_; }
private:
const bool use_swiftshader_;
const bool allow_protected_memory_;
};
COMPONENT_EXPORT(VULKAN)
std::unique_ptr<VulkanDeviceQueue> CreateVulkanDeviceQueue(
VulkanImplementation* vulkan_implementation,
uint32_t option,
const GPUInfo* gpu_info = nullptr,
uint32_t heap_memory_limit = 0,
const bool is_thread_safe = false);
} // namespace gpu
#endif // GPU_VULKAN_VULKAN_IMPLEMENTATION_H_
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