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| 1 | +// Copyright 2013 The Flutter Authors. All rights reserved. |
| 2 | +// Use of this source code is governed by a BSD-style license that can be |
| 3 | +// found in the LICENSE file. |
| 4 | + |
| 5 | +#include "impeller/renderer/backend/vulkan/android_hardware_buffer_texture_source_vk.h" |
| 6 | +#include "impeller/renderer/backend/vulkan/texture_source_vk.h" |
| 7 | + |
| 8 | +#ifdef FML_OS_ANDROID |
| 9 | + |
| 10 | +namespace impeller { |
| 11 | + |
| 12 | +namespace { |
| 13 | + |
| 14 | +bool GetHardwareBufferProperties( |
| 15 | + const vk::Device& device, |
| 16 | + struct AHardwareBuffer* hardware_buffer, |
| 17 | + ::impeller::vk::AndroidHardwareBufferPropertiesANDROID* ahb_props, |
| 18 | + ::impeller::vk::AndroidHardwareBufferFormatPropertiesANDROID* |
| 19 | + ahb_format_props) { |
| 20 | + FML_CHECK(ahb_format_props != nullptr); |
| 21 | + FML_CHECK(ahb_props != nullptr); |
| 22 | + ahb_props->pNext = ahb_format_props; |
| 23 | + ::impeller::vk::Result result = |
| 24 | + device.getAndroidHardwareBufferPropertiesANDROID(hardware_buffer, |
| 25 | + ahb_props); |
| 26 | + if (result != impeller::vk::Result::eSuccess) { |
| 27 | + return false; |
| 28 | + } |
| 29 | + return true; |
| 30 | +} |
| 31 | + |
| 32 | +vk::ExternalFormatANDROID MakeExternalFormat( |
| 33 | + const vk::AndroidHardwareBufferFormatPropertiesANDROID& format_props) { |
| 34 | + vk::ExternalFormatANDROID external_format; |
| 35 | + external_format.pNext = nullptr; |
| 36 | + external_format.externalFormat = 0; |
| 37 | + if (format_props.format == vk::Format::eUndefined) { |
| 38 | + external_format.externalFormat = format_props.externalFormat; |
| 39 | + } |
| 40 | + return external_format; |
| 41 | +} |
| 42 | + |
| 43 | +// Returns -1 if not found. |
| 44 | +int FindMemoryTypeIndex( |
| 45 | + const vk::AndroidHardwareBufferPropertiesANDROID& props) { |
| 46 | + uint32_t memory_type_bits = props.memoryTypeBits; |
| 47 | + int32_t type_index = -1; |
| 48 | + for (uint32_t i = 0; memory_type_bits; |
| 49 | + memory_type_bits = memory_type_bits >> 0x1, ++i) { |
| 50 | + if (memory_type_bits & 0x1) { |
| 51 | + type_index = i; |
| 52 | + break; |
| 53 | + } |
| 54 | + } |
| 55 | + return type_index; |
| 56 | +} |
| 57 | + |
| 58 | +} // namespace |
| 59 | + |
| 60 | +AndroidHardwareBufferTextureSourceVK::AndroidHardwareBufferTextureSourceVK( |
| 61 | + TextureDescriptor desc, |
| 62 | + const vk::Device& device, |
| 63 | + struct AHardwareBuffer* hardware_buffer, |
| 64 | + const AHardwareBuffer_Desc& hardware_buffer_desc) |
| 65 | + : TextureSourceVK(desc), device_(device) { |
| 66 | + vk::AndroidHardwareBufferFormatPropertiesANDROID ahb_format_props; |
| 67 | + vk::AndroidHardwareBufferPropertiesANDROID ahb_props; |
| 68 | + if (!GetHardwareBufferProperties(device, hardware_buffer, &ahb_props, |
| 69 | + &ahb_format_props)) { |
| 70 | + return; |
| 71 | + } |
| 72 | + vk::ExternalFormatANDROID external_format = |
| 73 | + MakeExternalFormat(ahb_format_props); |
| 74 | + vk::ExternalMemoryImageCreateInfo external_memory_image_info; |
| 75 | + external_memory_image_info.pNext = &external_format; |
| 76 | + external_memory_image_info.handleTypes = |
| 77 | + vk::ExternalMemoryHandleTypeFlagBits::eAndroidHardwareBufferANDROID; |
| 78 | + const int memory_type_index = FindMemoryTypeIndex(ahb_props); |
| 79 | + if (memory_type_index < 0) { |
| 80 | + FML_LOG(ERROR) << "Could not find memory type."; |
| 81 | + return; |
| 82 | + } |
| 83 | + |
| 84 | + vk::ImageCreateFlags image_create_flags; |
| 85 | + vk::ImageUsageFlags image_usage_flags; |
| 86 | + if (hardware_buffer_desc.usage & AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE) { |
| 87 | + image_usage_flags |= impeller::vk::ImageUsageFlagBits::eSampled | |
| 88 | + impeller::vk::ImageUsageFlagBits::eInputAttachment; |
| 89 | + } |
| 90 | + if (hardware_buffer_desc.usage & AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT) { |
| 91 | + image_usage_flags |= impeller::vk::ImageUsageFlagBits::eColorAttachment; |
| 92 | + } |
| 93 | + if (hardware_buffer_desc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT) { |
| 94 | + image_create_flags |= impeller::vk::ImageCreateFlagBits::eProtected; |
| 95 | + } |
| 96 | + |
| 97 | + vk::ImageCreateInfo image_create_info; |
| 98 | + image_create_info.pNext = &external_memory_image_info; |
| 99 | + image_create_info.imageType = vk::ImageType::e2D; |
| 100 | + image_create_info.format = ahb_format_props.format; |
| 101 | + image_create_info.extent.width = hardware_buffer_desc.width; |
| 102 | + image_create_info.extent.height = hardware_buffer_desc.height; |
| 103 | + image_create_info.extent.depth = 1; |
| 104 | + image_create_info.mipLevels = 1; |
| 105 | + image_create_info.arrayLayers = 1; |
| 106 | + image_create_info.samples = vk::SampleCountFlagBits::e1; |
| 107 | + image_create_info.tiling = vk::ImageTiling::eOptimal; |
| 108 | + image_create_info.usage = image_usage_flags; |
| 109 | + image_create_info.flags = image_create_flags; |
| 110 | + image_create_info.sharingMode = vk::SharingMode::eExclusive; |
| 111 | + image_create_info.initialLayout = vk::ImageLayout::eUndefined; |
| 112 | + |
| 113 | + vk::ResultValue<impeller::vk::Image> maybe_image = |
| 114 | + device.createImage(image_create_info); |
| 115 | + if (maybe_image.result != vk::Result::eSuccess) { |
| 116 | + FML_LOG(ERROR) << "device.createImage failed: " |
| 117 | + << static_cast<int>(maybe_image.result); |
| 118 | + return; |
| 119 | + } |
| 120 | + vk::Image image = maybe_image.value; |
| 121 | + |
| 122 | + vk::ImportAndroidHardwareBufferInfoANDROID ahb_import_info; |
| 123 | + ahb_import_info.pNext = nullptr; |
| 124 | + ahb_import_info.buffer = hardware_buffer; |
| 125 | + |
| 126 | + vk::MemoryDedicatedAllocateInfo dedicated_alloc_info; |
| 127 | + dedicated_alloc_info.pNext = &ahb_import_info; |
| 128 | + dedicated_alloc_info.image = image; |
| 129 | + dedicated_alloc_info.buffer = VK_NULL_HANDLE; |
| 130 | + |
| 131 | + vk::MemoryAllocateInfo mem_alloc_info; |
| 132 | + mem_alloc_info.pNext = &dedicated_alloc_info; |
| 133 | + mem_alloc_info.allocationSize = ahb_props.allocationSize; |
| 134 | + mem_alloc_info.memoryTypeIndex = memory_type_index; |
| 135 | + |
| 136 | + vk::ResultValue<vk::DeviceMemory> allocate_result = |
| 137 | + device.allocateMemory(mem_alloc_info); |
| 138 | + if (allocate_result.result != vk::Result::eSuccess) { |
| 139 | + FML_LOG(ERROR) << "vkAllocateMemory failed : " |
| 140 | + << static_cast<int>(allocate_result.result); |
| 141 | + device.destroyImage(image); |
| 142 | + return; |
| 143 | + } |
| 144 | + vk::DeviceMemory device_memory = allocate_result.value; |
| 145 | + |
| 146 | + // Bind memory to the image object. |
| 147 | + vk::Result bind_image_result = |
| 148 | + device.bindImageMemory(image, device_memory, 0); |
| 149 | + if (bind_image_result != vk::Result::eSuccess) { |
| 150 | + FML_LOG(ERROR) << "vkBindImageMemory failed : " |
| 151 | + << static_cast<int>(bind_image_result); |
| 152 | + device.destroyImage(image); |
| 153 | + device.freeMemory(device_memory); |
| 154 | + return; |
| 155 | + } |
| 156 | + image_ = image; |
| 157 | + device_memory_ = device_memory; |
| 158 | + |
| 159 | + // Create image view. |
| 160 | + vk::ImageViewCreateInfo view_info; |
| 161 | + view_info.image = image_; |
| 162 | + view_info.viewType = vk::ImageViewType::e2D; |
| 163 | + view_info.format = ToVKImageFormat(desc.format); |
| 164 | + view_info.subresourceRange.aspectMask = vk::ImageAspectFlagBits::eColor; |
| 165 | + view_info.subresourceRange.baseMipLevel = 0u; |
| 166 | + view_info.subresourceRange.baseArrayLayer = 0u; |
| 167 | + view_info.subresourceRange.levelCount = desc.mip_count; |
| 168 | + view_info.subresourceRange.layerCount = ToArrayLayerCount(desc.type); |
| 169 | + auto [view_result, view] = device.createImageViewUnique(view_info); |
| 170 | + if (view_result != vk::Result::eSuccess) { |
| 171 | + FML_LOG(ERROR) << "createImageViewUnique failed : " |
| 172 | + << static_cast<int>(view_result); |
| 173 | + return; |
| 174 | + } |
| 175 | + image_view_ = std::move(view); |
| 176 | + is_valid_ = true; |
| 177 | +} |
| 178 | + |
| 179 | +// |TextureSourceVK| |
| 180 | +AndroidHardwareBufferTextureSourceVK::~AndroidHardwareBufferTextureSourceVK() { |
| 181 | + device_.destroyImage(image_); |
| 182 | + device_.freeMemory(device_memory_); |
| 183 | +} |
| 184 | + |
| 185 | +bool AndroidHardwareBufferTextureSourceVK::IsValid() const { |
| 186 | + return is_valid_; |
| 187 | +} |
| 188 | + |
| 189 | +// |TextureSourceVK| |
| 190 | +vk::Image AndroidHardwareBufferTextureSourceVK::GetImage() const { |
| 191 | + FML_CHECK(IsValid()); |
| 192 | + return image_; |
| 193 | +} |
| 194 | + |
| 195 | +// |TextureSourceVK| |
| 196 | +vk::ImageView AndroidHardwareBufferTextureSourceVK::GetImageView() const { |
| 197 | + FML_CHECK(IsValid()); |
| 198 | + return image_view_.get(); |
| 199 | +} |
| 200 | + |
| 201 | +} // namespace impeller |
| 202 | + |
| 203 | +#endif |
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