MemoryServiceImplementationDmaBuf.cpp

// Copyright 2023 The Dawn & Tint Authors
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#include <vector>

#include "dawn/common/Assert.h"
#include "dawn/native/vulkan/BackendVk.h"
#include "dawn/native/vulkan/DeviceVk.h"
#include "dawn/native/vulkan/PhysicalDeviceVk.h"
#include "dawn/native/vulkan/ResourceMemoryAllocatorVk.h"
#include "dawn/native/vulkan/UtilsVulkan.h"
#include "dawn/native/vulkan/VulkanError.h"
#include "dawn/native/vulkan/external_memory/MemoryServiceImplementation.h"
#include "dawn/native/vulkan/external_memory/MemoryServiceImplementationDmaBuf.h"

namespace dawn::native::vulkan::external_memory {

namespace {

bool GetFormatModifierProps(const VulkanFunctions& fn,
                            VkPhysicalDevice vkPhysicalDevice,
                            VkFormat format,
                            uint64_t modifier,
                            VkDrmFormatModifierPropertiesEXT* formatModifierProps) { … }

// Some modifiers use multiple planes (for example, see the comment for
// I915_FORMAT_MOD_Y_TILED_CCS in drm/drm_fourcc.h).
ResultOrError<uint32_t> GetModifierPlaneCount(const VulkanFunctions& fn,
                                              VkPhysicalDevice vkPhysicalDevice,
                                              VkFormat format,
                                              uint64_t modifier) { … }

bool IsMultiPlanarVkFormat(VkFormat format) { … }

bool SupportsDisjoint(const VulkanFunctions& fn,
                      VkPhysicalDevice vkPhysicalDevice,
                      VkFormat format,
                      uint64_t modifier) { … }

}  // namespace

class ServiceImplementationDmaBuf : public ServiceImplementation { … };

bool CheckDmaBufSupport(const VulkanDeviceInfo& deviceInfo) { … }

std::unique_ptr<ServiceImplementation> CreateDmaBufService(Device* device) { … }

}  // namespace dawn::native::vulkan::external_memory
chromium/third_party/dawn/src/dawn/native/vulkan/external_memory/MemoryServiceImplementationDmaBuf.cpp
