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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/vulkan/vulkan_image.h"
#include "base/logging.h"
#include "gpu/vulkan/vulkan_device_queue.h"
namespace gpu {
bool VulkanImage::InitializeFromGpuMemoryBufferHandle(
VulkanDeviceQueue* device_queue,
gfx::GpuMemoryBufferHandle gmb_handle,
const gfx::Size& size,
VkFormat format,
VkImageUsageFlags usage,
VkImageCreateFlags flags,
VkImageTiling image_tiling) {
if (gmb_handle.type != gfx::GpuMemoryBufferType::NATIVE_PIXMAP) {
DLOG(ERROR) << "GpuMemoryBuffer is not supported. type:" << gmb_handle.type;
return false;
}
auto& native_pixmap_handle = gmb_handle.native_pixmap_handle;
DCHECK_EQ(native_pixmap_handle.planes.size(), 1u);
auto& scoped_fd = native_pixmap_handle.planes[0].fd;
if (!scoped_fd.is_valid()) {
DLOG(ERROR) << "GpuMemoryBufferHandle doesn't have a valid fd.";
return false;
}
bool using_modifier =
native_pixmap_handle.modifier != gfx::NativePixmapHandle::kNoModifier &&
gfx::HasExtension(device_queue->enabled_extensions(),
VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME);
// If the driver doesn't support modifier or the native_pixmap_handle doesn't
// have modifier, VK_IMAGE_TILING_OPTIMAL will be used.
DCHECK_EQ(image_tiling, VK_IMAGE_TILING_OPTIMAL);
if (using_modifier)
image_tiling = VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT;
VkExternalMemoryImageCreateInfoKHR external_image_create_info = {
.sType = VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO_KHR,
.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
};
VkImageDrmFormatModifierListCreateInfoEXT modifier_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_LIST_CREATE_INFO_EXT,
.drmFormatModifierCount = 1,
.pDrmFormatModifiers = &native_pixmap_handle.modifier,
};
if (using_modifier)
external_image_create_info.pNext = &modifier_info;
VkImportMemoryFdInfoKHR import_memory_fd_info = {
.sType = VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHR,
.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
.fd = scoped_fd.get(),
};
VkMemoryRequirements* requirements = nullptr;
bool result = Initialize(device_queue, size, format, usage, flags,
image_tiling, &external_image_create_info,
&import_memory_fd_info, requirements);
// If Initialize successfully, the fd in scoped_fd should be owned by vulkan.
if (result)
ignore_result(scoped_fd.release());
return result;
}
} // namespace gpu
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