/src/skia/tools/gpu/vk/VkYcbcrSamplerHelper.cpp

Source (jump to first uncovered line)
/*
 * Copyright 2020 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "tools/gpu/vk/VkYcbcrSamplerHelper.h"

#if defined(SK_VULKAN)

#include "include/gpu/ganesh/GrDirectContext.h"
#include "include/gpu/ganesh/vk/GrVkBackendSurface.h"
#include "include/gpu/vk/VulkanTypes.h"
#include "src/gpu/ganesh/GrDirectContextPriv.h"
#include "src/gpu/ganesh/vk/GrVkGpu.h"
#include "src/gpu/ganesh/vk/GrVkUtil.h"
#include "src/gpu/vk/VulkanInterface.h"

#if defined(SK_GRAPHITE)
#include "include/gpu/GpuTypes.h"
#include "include/gpu/graphite/BackendTexture.h"
#include "include/gpu/graphite/Recorder.h"
#include "include/gpu/graphite/vk/VulkanGraphiteTypes.h"
#include "src/gpu/graphite/vk/VulkanGraphiteUtils.h"
#include "src/gpu/graphite/vk/VulkanSharedContext.h"
#endif

int VkYcbcrSamplerHelper::GetExpectedY(int x, int y, int width, int height) {
    return 16 + (x + y) * 219 / (width + height - 2);
}

std::pair<int, int> VkYcbcrSamplerHelper::GetExpectedUV(int x, int y, int width, int height) {
    return { 16 + x * 224 / (width - 1), 16 + y * 224 / (height - 1) };
}

namespace {

void populate_ycbcr_image_info(VkImageCreateInfo* outImageInfo, uint32_t width, uint32_t height) {
    outImageInfo->sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
    outImageInfo->pNext = nullptr;
    outImageInfo->flags = 0;
    outImageInfo->imageType = VK_IMAGE_TYPE_2D;
    outImageInfo->format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
    outImageInfo->extent = VkExtent3D{width, height, 1};
    outImageInfo->mipLevels = 1;
    outImageInfo->arrayLayers = 1;
    outImageInfo->samples = VK_SAMPLE_COUNT_1_BIT;
    outImageInfo->tiling = VK_IMAGE_TILING_LINEAR;
    outImageInfo->usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT |
                          VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
    outImageInfo->sharingMode = VK_SHARING_MODE_EXCLUSIVE;
    outImageInfo->queueFamilyIndexCount = 0;
    outImageInfo->pQueueFamilyIndices = nullptr;
    outImageInfo->initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
}

bool find_memory_type_index(const VkPhysicalDeviceMemoryProperties& phyDevMemProps,
                            const VkMemoryRequirements& memoryRequirements,
                            uint32_t* memoryTypeIndex) {
    for (uint32_t i = 0; i < phyDevMemProps.memoryTypeCount; ++i) {
        if (memoryRequirements.memoryTypeBits & (1 << i)) {
            // Map host-visible memory.
            if (phyDevMemProps.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
                *memoryTypeIndex = i;
                return true;
            }
        }
    }
    return false;
}

}

#ifdef SK_GRAPHITE
// TODO(b/339211930): When graphite and ganesh can share a macro for certain Vulkan driver calls,
// much more code can be shared between this method and createGrBackendTexture.
bool VkYcbcrSamplerHelper::createBackendTexture(uint32_t width, uint32_t height) {
    // Create YCbCr image.
    VkImageCreateInfo vkImageInfo;
    populate_ycbcr_image_info(&vkImageInfo, width, height);
    SkASSERT(fImage == VK_NULL_HANDLE);

    VkResult result;
    VULKAN_CALL_RESULT(fSharedCtxt, result, CreateImage(fSharedCtxt->device(),
                                                        &vkImageInfo,
                                                        /*pAllocator=*/nullptr,
                                                        &fImage));
    if (result != VK_SUCCESS) {
        return false;
    }

    VkMemoryRequirements requirements;
    VULKAN_CALL(fSharedCtxt->interface(), GetImageMemoryRequirements(fSharedCtxt->device(),
                                                                     fImage,
                                                                     &requirements));
    uint32_t memoryTypeIndex = 0;
    const VkPhysicalDeviceMemoryProperties& phyDevMemProps =
            fSharedCtxt->vulkanCaps().physicalDeviceMemoryProperties2().memoryProperties;
    if (!find_memory_type_index(phyDevMemProps, requirements, &memoryTypeIndex)) {
        return false;
    }

    VkMemoryAllocateInfo allocInfo;
    allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
    allocInfo.pNext = nullptr;
    allocInfo.allocationSize = requirements.size;
    allocInfo.memoryTypeIndex = memoryTypeIndex;

    SkASSERT(fImageMemory == VK_NULL_HANDLE);
    VULKAN_CALL_RESULT(fSharedCtxt, result, AllocateMemory(fSharedCtxt->device(),
                                                           &allocInfo,
                                                           nullptr,
                                                           &fImageMemory));
    if (result != VK_SUCCESS) {
        return false;
    }

    void* mappedBuffer;
    VULKAN_CALL_RESULT(fSharedCtxt, result, MapMemory(fSharedCtxt->device(),
                                                      fImageMemory,
                                                      /*offset=*/0u,
                                                      requirements.size,
                                                      /*flags=*/0u,
                                                      &mappedBuffer));
    if (result != VK_SUCCESS) {
        return false;
    }

    // Write Y channel.
    VkImageSubresource subresource;
    subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_0_BIT;
    subresource.mipLevel = 0;
    subresource.arrayLayer = 0;

    VkSubresourceLayout yLayout;
    VULKAN_CALL(fSharedCtxt->interface(),
                GetImageSubresourceLayout(fSharedCtxt->device(), fImage, &subresource, &yLayout));
    uint8_t* bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + yLayout.offset;
    for (size_t y = 0; y < height; ++y) {
        for (size_t x = 0; x < width; ++x) {
            bufferData[y * yLayout.rowPitch + x] = GetExpectedY(x, y, width, height);
        }
    }

    // Write UV channels.
    subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_1_BIT;
    VkSubresourceLayout uvLayout;
    VULKAN_CALL(fSharedCtxt->interface(), GetImageSubresourceLayout(fSharedCtxt->device(),
                                                                    fImage,
                                                                    &subresource,
                                                                    &uvLayout));
    bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + uvLayout.offset;
    for (size_t y = 0; y < height / 2; ++y) {
        for (size_t x = 0; x < width / 2; ++x) {
            auto [u, v] = GetExpectedUV(2*x, 2*y, width, height);
            bufferData[y * uvLayout.rowPitch + x * 2] = u;
            bufferData[y * uvLayout.rowPitch + x * 2 + 1] = v;
        }
    }

    VkMappedMemoryRange flushRange;
    flushRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
    flushRange.pNext = nullptr;
    flushRange.memory = fImageMemory;
    flushRange.offset = 0;
    flushRange.size = VK_WHOLE_SIZE;
    VULKAN_CALL_RESULT(fSharedCtxt, result,  FlushMappedMemoryRanges(fSharedCtxt->device(),
                                                                     /*memoryRangeCount=*/1,
                                                                     &flushRange));
    if (result != VK_SUCCESS) {
        return false;
    }
    VULKAN_CALL(fSharedCtxt->interface(), UnmapMemory(fSharedCtxt->device(), fImageMemory));

    // Bind image memory.
    VULKAN_CALL_RESULT(fSharedCtxt, result, BindImageMemory(fSharedCtxt->device(),
                                                            fImage,
                                                            fImageMemory,
                                                            /*memoryOffset=*/0u));
    if (result != VK_SUCCESS) {
        return false;
    }

    // Wrap the image into SkImage.
    VkFormatProperties formatProperties;
    SkASSERT(fSharedCtxt->physDevice() != VK_NULL_HANDLE);
    VULKAN_CALL(fSharedCtxt->interface(),
                GetPhysicalDeviceFormatProperties(fSharedCtxt->physDevice(),
                                                  VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
                                                  &formatProperties));
    SkDEBUGCODE(auto linFlags = formatProperties.linearTilingFeatures;)
    SkASSERT((linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
             (linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) &&
             (linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT) &&
             (linFlags & VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT));

    skgpu::VulkanYcbcrConversionInfo ycbcrInfo = {vkImageInfo.format,
                                                  /*externalFormat=*/0,
                                                  VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_709,
                                                  VK_SAMPLER_YCBCR_RANGE_ITU_NARROW,
                                                  VK_CHROMA_LOCATION_COSITED_EVEN,
                                                  VK_CHROMA_LOCATION_COSITED_EVEN,
                                                  VK_FILTER_LINEAR,
                                                  false,
                                                  formatProperties.linearTilingFeatures};
    skgpu::VulkanAlloc alloc;
    alloc.fMemory = fImageMemory;
    alloc.fOffset = 0;
    alloc.fSize = requirements.size;

    skgpu::graphite::VulkanTextureInfo imageInfo = {
            static_cast<uint32_t>(vkImageInfo.samples),
            skgpu::Mipmapped::kNo,
            VK_IMAGE_CREATE_PROTECTED_BIT,
            vkImageInfo.format,
            vkImageInfo.tiling,
            vkImageInfo.usage,
            vkImageInfo.sharingMode,
            VK_IMAGE_ASPECT_PLANE_0_BIT | VK_IMAGE_ASPECT_PLANE_1_BIT,
            ycbcrInfo};

    fTexture = skgpu::graphite::BackendTextures::MakeVulkan({(int32_t)width, (int32_t)height},
                                                            imageInfo,
                                                            VK_IMAGE_LAYOUT_UNDEFINED,
                                                            /*queueFamilyIndex=*/0,
                                                            fImage,
                                                            alloc);
    return true;
}
#endif // SK_GRAPHITE

bool VkYcbcrSamplerHelper::createGrBackendTexture(uint32_t width, uint32_t height) {
    GrVkGpu* vkGpu = this->vkGpu();
    VkResult result;

    // Create YCbCr image.
    VkImageCreateInfo vkImageInfo;
    populate_ycbcr_image_info(&vkImageInfo, width, height);
    SkASSERT(fImage == VK_NULL_HANDLE);

    GR_VK_CALL_RESULT(vkGpu, result, CreateImage(vkGpu->device(), &vkImageInfo, nullptr, &fImage));
    if (result != VK_SUCCESS) {
        return false;
    }

    VkMemoryRequirements requirements;
    GR_VK_CALL(vkGpu->vkInterface(), GetImageMemoryRequirements(vkGpu->device(),
                                                                fImage,
                                                                &requirements));

    uint32_t memoryTypeIndex = 0;
    VkPhysicalDeviceMemoryProperties phyDevMemProps;
    GR_VK_CALL(vkGpu->vkInterface(), GetPhysicalDeviceMemoryProperties(vkGpu->physicalDevice(),
                                                                       &phyDevMemProps));
    if (!find_memory_type_index(phyDevMemProps, requirements, &memoryTypeIndex)) {
        return false;
    }

    VkMemoryAllocateInfo allocInfo = {};
    allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
    allocInfo.allocationSize = requirements.size;
    allocInfo.memoryTypeIndex = memoryTypeIndex;

    SkASSERT(fImageMemory == VK_NULL_HANDLE);
    GR_VK_CALL_RESULT(vkGpu, result, AllocateMemory(vkGpu->device(), &allocInfo,
                                                    nullptr, &fImageMemory));
    if (result != VK_SUCCESS) {
        return false;
    }

    void* mappedBuffer;
    GR_VK_CALL_RESULT(vkGpu, result, MapMemory(vkGpu->device(), fImageMemory, 0u,
                                               requirements.size, 0u, &mappedBuffer));
    if (result != VK_SUCCESS) {
        return false;
    }

    // Write Y channel.
    VkImageSubresource subresource;
    subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_0_BIT;
    subresource.mipLevel = 0;
    subresource.arrayLayer = 0;

    VkSubresourceLayout yLayout;
    GR_VK_CALL(vkGpu->vkInterface(), GetImageSubresourceLayout(vkGpu->device(), fImage,
                                                               &subresource, &yLayout));
    uint8_t* bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + yLayout.offset;
    for (size_t y = 0; y < height; ++y) {
        for (size_t x = 0; x < width; ++x) {
            bufferData[y * yLayout.rowPitch + x] = GetExpectedY(x, y, width, height);
        }
    }

    // Write UV channels.
    subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_1_BIT;
    VkSubresourceLayout uvLayout;
    GR_VK_CALL(vkGpu->vkInterface(), GetImageSubresourceLayout(vkGpu->device(), fImage,
                                                               &subresource, &uvLayout));
    bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + uvLayout.offset;
    for (size_t y = 0; y < height / 2; ++y) {
        for (size_t x = 0; x < width / 2; ++x) {
            auto [u, v] = GetExpectedUV(2*x, 2*y, width, height);
            bufferData[y * uvLayout.rowPitch + x * 2] = u;
            bufferData[y * uvLayout.rowPitch + x * 2 + 1] = v;
        }
    }

    VkMappedMemoryRange flushRange;
    flushRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
    flushRange.pNext = nullptr;
    flushRange.memory = fImageMemory;
    flushRange.offset = 0;
    flushRange.size = VK_WHOLE_SIZE;
    GR_VK_CALL_RESULT(vkGpu, result, FlushMappedMemoryRanges(vkGpu->device(), 1, &flushRange));
    if (result != VK_SUCCESS) {
        return false;
    }
    GR_VK_CALL(vkGpu->vkInterface(), UnmapMemory(vkGpu->device(), fImageMemory));

    // Bind image memory.
    GR_VK_CALL_RESULT(vkGpu, result, BindImageMemory(vkGpu->device(), fImage, fImageMemory, 0u));
    if (result != VK_SUCCESS) {
        return false;
    }

    // Wrap the image into SkImage.
    VkFormatProperties formatProperties;
    GR_VK_CALL(vkGpu->vkInterface(),
               GetPhysicalDeviceFormatProperties(vkGpu->physicalDevice(),
                                                 VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
                                                 &formatProperties));
    SkDEBUGCODE(auto linFlags = formatProperties.linearTilingFeatures;)
    SkASSERT((linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
             (linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) &&
             (linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT) &&
             (linFlags & VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT));

    skgpu::VulkanYcbcrConversionInfo ycbcrInfo = {vkImageInfo.format,
                                                  /*externalFormat=*/0,
                                                  VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_709,
                                                  VK_SAMPLER_YCBCR_RANGE_ITU_NARROW,
                                                  VK_CHROMA_LOCATION_COSITED_EVEN,
                                                  VK_CHROMA_LOCATION_COSITED_EVEN,
                                                  VK_FILTER_LINEAR,
                                                  false,
                                                  formatProperties.linearTilingFeatures,
                                                  /*fComponents=*/{}};
    skgpu::VulkanAlloc alloc;
    alloc.fMemory = fImageMemory;
    alloc.fOffset = 0;
    alloc.fSize = requirements.size;

    GrVkImageInfo imageInfo = {fImage,
                               alloc,
                               VK_IMAGE_TILING_LINEAR,
                               VK_IMAGE_LAYOUT_UNDEFINED,
                               vkImageInfo.format,
                               vkImageInfo.usage,
                               1 /* sample count */,
                               1 /* levelCount */,
                               VK_QUEUE_FAMILY_IGNORED,
                               GrProtected::kNo,
                               ycbcrInfo};

    fGrTexture = GrBackendTextures::MakeVk(width, height, imageInfo);
    return true;
}

GrVkGpu* VkYcbcrSamplerHelper::vkGpu() {
    return (GrVkGpu*) fDContext->priv().getGpu();
}

VkYcbcrSamplerHelper::VkYcbcrSamplerHelper(GrDirectContext* dContext) : fDContext(dContext) {
    SkASSERT_RELEASE(dContext->backend() == GrBackendApi::kVulkan);
#if defined(SK_GRAPHITE)
    fSharedCtxt = nullptr;
#endif
}

VkYcbcrSamplerHelper::~VkYcbcrSamplerHelper() {
#ifdef SK_GRAPHITE
    if (fSharedCtxt) {
        if (fImage != VK_NULL_HANDLE) {
            VULKAN_CALL(fSharedCtxt->interface(),
                        DestroyImage(fSharedCtxt->device(), fImage, nullptr));
            fImage = VK_NULL_HANDLE;
        }
        if (fImageMemory != VK_NULL_HANDLE) {
            VULKAN_CALL(fSharedCtxt->interface(),
                        FreeMemory(fSharedCtxt->device(), fImageMemory, nullptr));
            fImageMemory = VK_NULL_HANDLE;
        }
    } else
#endif // SK_GRAPHITE
    {
        GrVkGpu* vkGpu = this->vkGpu();

        if (fImage != VK_NULL_HANDLE) {
            GR_VK_CALL(vkGpu->vkInterface(), DestroyImage(vkGpu->device(), fImage, nullptr));
            fImage = VK_NULL_HANDLE;
        }
        if (fImageMemory != VK_NULL_HANDLE) {
            GR_VK_CALL(vkGpu->vkInterface(), FreeMemory(vkGpu->device(), fImageMemory, nullptr));
            fImageMemory = VK_NULL_HANDLE;
        }
    }
}

bool VkYcbcrSamplerHelper::isYCbCrSupported() {
    VkFormatProperties formatProperties;
#ifdef SK_GRAPHITE
    if (fSharedCtxt) {
        if (!fSharedCtxt->vulkanCaps().supportsYcbcrConversion()) {
            return false;
        }

        SkASSERT(fSharedCtxt->physDevice() != VK_NULL_HANDLE);
        VULKAN_CALL(fSharedCtxt->interface(),
                    GetPhysicalDeviceFormatProperties(fSharedCtxt->physDevice(),
                                                      VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
                                                      &formatProperties));
    } else
#endif
    {
        GrVkGpu* vkGpu = this->vkGpu();
        if (!vkGpu->vkCaps().supportsYcbcrConversion()) {
            return false;
        }

        GR_VK_CALL(vkGpu->vkInterface(),
                GetPhysicalDeviceFormatProperties(vkGpu->physicalDevice(),
                                                    VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
                                                    &formatProperties));
    }

    // The createBackendTexture call (which is the point of this helper class) requires linear
    // support for VK_FORMAT_G8_B8R8_2PLANE_420_UNORM including sampling and cosited chroma.
    // Verify that the image format is supported.
    auto linFlags = formatProperties.linearTilingFeatures;
    if (!(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) ||
        !(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) ||
        !(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT) ||
        !(linFlags & VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT)) {
        // VK_FORMAT_G8_B8R8_2PLANE_420_UNORM is not supported
        return false;
    }
    return true;
}
#endif // SK_VULKAN

Coverage Report

Created: 2025-06-24 08:20

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2020 Google Inc.
3		*
4		* Use of this source code is governed by a BSD-style license that can be
5		* found in the LICENSE file.
6		*/
7
8		#include "tools/gpu/vk/VkYcbcrSamplerHelper.h"
9
10		#if defined(SK_VULKAN)
11
12		#include "include/gpu/ganesh/GrDirectContext.h"
13		#include "include/gpu/ganesh/vk/GrVkBackendSurface.h"
14		#include "include/gpu/vk/VulkanTypes.h"
15		#include "src/gpu/ganesh/GrDirectContextPriv.h"
16		#include "src/gpu/ganesh/vk/GrVkGpu.h"
17		#include "src/gpu/ganesh/vk/GrVkUtil.h"
18		#include "src/gpu/vk/VulkanInterface.h"
19
20		#if defined(SK_GRAPHITE)
21		#include "include/gpu/GpuTypes.h"
22		#include "include/gpu/graphite/BackendTexture.h"
23		#include "include/gpu/graphite/Recorder.h"
24		#include "include/gpu/graphite/vk/VulkanGraphiteTypes.h"
25		#include "src/gpu/graphite/vk/VulkanGraphiteUtils.h"
26		#include "src/gpu/graphite/vk/VulkanSharedContext.h"
27		#endif
28
29	0	int VkYcbcrSamplerHelper::GetExpectedY(int x, int y, int width, int height) {
30	0	return 16 + (x + y) * 219 / (width + height - 2);
31	0	}
32
33	0	std::pair<int, int> VkYcbcrSamplerHelper::GetExpectedUV(int x, int y, int width, int height) {
34	0	return { 16 + x * 224 / (width - 1), 16 + y * 224 / (height - 1) };
35	0	}
36
37		namespace {
38
39	0	void populate_ycbcr_image_info(VkImageCreateInfo* outImageInfo, uint32_t width, uint32_t height) {
40	0	outImageInfo->sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
41	0	outImageInfo->pNext = nullptr;
42	0	outImageInfo->flags = 0;
43	0	outImageInfo->imageType = VK_IMAGE_TYPE_2D;
44	0	outImageInfo->format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
45	0	outImageInfo->extent = VkExtent3D{width, height, 1};
46	0	outImageInfo->mipLevels = 1;
47	0	outImageInfo->arrayLayers = 1;
48	0	outImageInfo->samples = VK_SAMPLE_COUNT_1_BIT;
49	0	outImageInfo->tiling = VK_IMAGE_TILING_LINEAR;
50	0	outImageInfo->usage = VK_IMAGE_USAGE_SAMPLED_BIT \| VK_IMAGE_USAGE_TRANSFER_DST_BIT \|
51	0	VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
52	0	outImageInfo->sharingMode = VK_SHARING_MODE_EXCLUSIVE;
53	0	outImageInfo->queueFamilyIndexCount = 0;
54	0	outImageInfo->pQueueFamilyIndices = nullptr;
55	0	outImageInfo->initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
56	0	}
57
58		bool find_memory_type_index(const VkPhysicalDeviceMemoryProperties& phyDevMemProps,
59		const VkMemoryRequirements& memoryRequirements,
60	0	uint32_t* memoryTypeIndex) {
61	0	for (uint32_t i = 0; i < phyDevMemProps.memoryTypeCount; ++i) {
62	0	if (memoryRequirements.memoryTypeBits & (1 << i)) {
63		// Map host-visible memory.
64	0	if (phyDevMemProps.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
65	0	*memoryTypeIndex = i;
66	0	return true;
67	0	}
68	0	}
69	0	}
70	0	return false;
71	0	}
72
73		}
74
75		#ifdef SK_GRAPHITE
76		// TODO(b/339211930): When graphite and ganesh can share a macro for certain Vulkan driver calls,
77		// much more code can be shared between this method and createGrBackendTexture.
78	0	bool VkYcbcrSamplerHelper::createBackendTexture(uint32_t width, uint32_t height) {
79		// Create YCbCr image.
80	0	VkImageCreateInfo vkImageInfo;
81	0	populate_ycbcr_image_info(&vkImageInfo, width, height);
82	0	SkASSERT(fImage == VK_NULL_HANDLE);
83
84	0	VkResult result;
85	0	VULKAN_CALL_RESULT(fSharedCtxt, result, CreateImage(fSharedCtxt->device(),
86	0	&vkImageInfo,
87	0	/pAllocator=/nullptr,
88	0	&fImage));
89	0	if (result != VK_SUCCESS) {
90	0	return false;
91	0	}
92
93	0	VkMemoryRequirements requirements;
94	0	VULKAN_CALL(fSharedCtxt->interface(), GetImageMemoryRequirements(fSharedCtxt->device(),
95	0	fImage,
96	0	&requirements));
97	0	uint32_t memoryTypeIndex = 0;
98	0	const VkPhysicalDeviceMemoryProperties& phyDevMemProps =
99	0	fSharedCtxt->vulkanCaps().physicalDeviceMemoryProperties2().memoryProperties;
100	0	if (!find_memory_type_index(phyDevMemProps, requirements, &memoryTypeIndex)) {
101	0	return false;
102	0	}
103
104	0	VkMemoryAllocateInfo allocInfo;
105	0	allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
106	0	allocInfo.pNext = nullptr;
107	0	allocInfo.allocationSize = requirements.size;
108	0	allocInfo.memoryTypeIndex = memoryTypeIndex;
109
110	0	SkASSERT(fImageMemory == VK_NULL_HANDLE);
111	0	VULKAN_CALL_RESULT(fSharedCtxt, result, AllocateMemory(fSharedCtxt->device(),
112	0	&allocInfo,
113	0	nullptr,
114	0	&fImageMemory));
115	0	if (result != VK_SUCCESS) {
116	0	return false;
117	0	}
118
119	0	void* mappedBuffer;
120	0	VULKAN_CALL_RESULT(fSharedCtxt, result, MapMemory(fSharedCtxt->device(),
121	0	fImageMemory,
122	0	/offset=/0u,
123	0	requirements.size,
124	0	/flags=/0u,
125	0	&mappedBuffer));
126	0	if (result != VK_SUCCESS) {
127	0	return false;
128	0	}
129
130		// Write Y channel.
131	0	VkImageSubresource subresource;
132	0	subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_0_BIT;
133	0	subresource.mipLevel = 0;
134	0	subresource.arrayLayer = 0;
135
136	0	VkSubresourceLayout yLayout;
137	0	VULKAN_CALL(fSharedCtxt->interface(),
138	0	GetImageSubresourceLayout(fSharedCtxt->device(), fImage, &subresource, &yLayout));
139	0	uint8_t* bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + yLayout.offset;
140	0	for (size_t y = 0; y < height; ++y) {
141	0	for (size_t x = 0; x < width; ++x) {
142	0	bufferData[y * yLayout.rowPitch + x] = GetExpectedY(x, y, width, height);
143	0	}
144	0	}
145
146		// Write UV channels.
147	0	subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_1_BIT;
148	0	VkSubresourceLayout uvLayout;
149	0	VULKAN_CALL(fSharedCtxt->interface(), GetImageSubresourceLayout(fSharedCtxt->device(),
150	0	fImage,
151	0	&subresource,
152	0	&uvLayout));
153	0	bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + uvLayout.offset;
154	0	for (size_t y = 0; y < height / 2; ++y) {
155	0	for (size_t x = 0; x < width / 2; ++x) {
156	0	auto [u, v] = GetExpectedUV(2x, 2y, width, height);
157	0	bufferData[y * uvLayout.rowPitch + x * 2] = u;
158	0	bufferData[y * uvLayout.rowPitch + x * 2 + 1] = v;
159	0	}
160	0	}
161
162	0	VkMappedMemoryRange flushRange;
163	0	flushRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
164	0	flushRange.pNext = nullptr;
165	0	flushRange.memory = fImageMemory;
166	0	flushRange.offset = 0;
167	0	flushRange.size = VK_WHOLE_SIZE;
168	0	VULKAN_CALL_RESULT(fSharedCtxt, result, FlushMappedMemoryRanges(fSharedCtxt->device(),
169	0	/memoryRangeCount=/1,
170	0	&flushRange));
171	0	if (result != VK_SUCCESS) {
172	0	return false;
173	0	}
174	0	VULKAN_CALL(fSharedCtxt->interface(), UnmapMemory(fSharedCtxt->device(), fImageMemory));
175
176		// Bind image memory.
177	0	VULKAN_CALL_RESULT(fSharedCtxt, result, BindImageMemory(fSharedCtxt->device(),
178	0	fImage,
179	0	fImageMemory,
180	0	/memoryOffset=/0u));
181	0	if (result != VK_SUCCESS) {
182	0	return false;
183	0	}
184
185		// Wrap the image into SkImage.
186	0	VkFormatProperties formatProperties;
187	0	SkASSERT(fSharedCtxt->physDevice() != VK_NULL_HANDLE);
188	0	VULKAN_CALL(fSharedCtxt->interface(),
189	0	GetPhysicalDeviceFormatProperties(fSharedCtxt->physDevice(),
190	0	VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
191	0	&formatProperties));
192	0	SkDEBUGCODE(auto linFlags = formatProperties.linearTilingFeatures;)
193	0	SkASSERT((linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
194	0	(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) &&
195	0	(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT) &&
196	0	(linFlags & VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT));
197
198	0	skgpu::VulkanYcbcrConversionInfo ycbcrInfo = {vkImageInfo.format,
199	0	/externalFormat=/0,
200	0	VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_709,
201	0	VK_SAMPLER_YCBCR_RANGE_ITU_NARROW,
202	0	VK_CHROMA_LOCATION_COSITED_EVEN,
203	0	VK_CHROMA_LOCATION_COSITED_EVEN,
204	0	VK_FILTER_LINEAR,
205	0	false,
206	0	formatProperties.linearTilingFeatures};
207	0	skgpu::VulkanAlloc alloc;
208	0	alloc.fMemory = fImageMemory;
209	0	alloc.fOffset = 0;
210	0	alloc.fSize = requirements.size;
211
212	0	skgpu::graphite::VulkanTextureInfo imageInfo = {
213	0	static_cast<uint32_t>(vkImageInfo.samples),
214	0	skgpu::Mipmapped::kNo,
215	0	VK_IMAGE_CREATE_PROTECTED_BIT,
216	0	vkImageInfo.format,
217	0	vkImageInfo.tiling,
218	0	vkImageInfo.usage,
219	0	vkImageInfo.sharingMode,
220	0	VK_IMAGE_ASPECT_PLANE_0_BIT \| VK_IMAGE_ASPECT_PLANE_1_BIT,
221	0	ycbcrInfo};
222
223	0	fTexture = skgpu::graphite::BackendTextures::MakeVulkan({(int32_t)width, (int32_t)height},
224	0	imageInfo,
225	0	VK_IMAGE_LAYOUT_UNDEFINED,
226	0	/queueFamilyIndex=/0,
227	0	fImage,
228	0	alloc);
229	0	return true;
230	0	} Unexecuted instantiation: VkYcbcrSamplerHelper::createBackendTexture(unsigned int, unsigned int) Unexecuted instantiation: VkYcbcrSamplerHelper::createBackendTexture(unsigned int, unsigned int)
231		#endif // SK_GRAPHITE
232
233	0	bool VkYcbcrSamplerHelper::createGrBackendTexture(uint32_t width, uint32_t height) {
234	0	GrVkGpu* vkGpu = this->vkGpu();
235	0	VkResult result;
236
237		// Create YCbCr image.
238	0	VkImageCreateInfo vkImageInfo;
239	0	populate_ycbcr_image_info(&vkImageInfo, width, height);
240	0	SkASSERT(fImage == VK_NULL_HANDLE);
241
242	0	GR_VK_CALL_RESULT(vkGpu, result, CreateImage(vkGpu->device(), &vkImageInfo, nullptr, &fImage));
243	0	if (result != VK_SUCCESS) {
244	0	return false;
245	0	}
246
247	0	VkMemoryRequirements requirements;
248	0	GR_VK_CALL(vkGpu->vkInterface(), GetImageMemoryRequirements(vkGpu->device(),
249	0	fImage,
250	0	&requirements));
251
252	0	uint32_t memoryTypeIndex = 0;
253	0	VkPhysicalDeviceMemoryProperties phyDevMemProps;
254	0	GR_VK_CALL(vkGpu->vkInterface(), GetPhysicalDeviceMemoryProperties(vkGpu->physicalDevice(),
255	0	&phyDevMemProps));
256	0	if (!find_memory_type_index(phyDevMemProps, requirements, &memoryTypeIndex)) {
257	0	return false;
258	0	}
259
260	0	VkMemoryAllocateInfo allocInfo = {};
261	0	allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
262	0	allocInfo.allocationSize = requirements.size;
263	0	allocInfo.memoryTypeIndex = memoryTypeIndex;
264
265	0	SkASSERT(fImageMemory == VK_NULL_HANDLE);
266	0	GR_VK_CALL_RESULT(vkGpu, result, AllocateMemory(vkGpu->device(), &allocInfo,
267	0	nullptr, &fImageMemory));
268	0	if (result != VK_SUCCESS) {
269	0	return false;
270	0	}
271
272	0	void* mappedBuffer;
273	0	GR_VK_CALL_RESULT(vkGpu, result, MapMemory(vkGpu->device(), fImageMemory, 0u,
274	0	requirements.size, 0u, &mappedBuffer));
275	0	if (result != VK_SUCCESS) {
276	0	return false;
277	0	}
278
279		// Write Y channel.
280	0	VkImageSubresource subresource;
281	0	subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_0_BIT;
282	0	subresource.mipLevel = 0;
283	0	subresource.arrayLayer = 0;
284
285	0	VkSubresourceLayout yLayout;
286	0	GR_VK_CALL(vkGpu->vkInterface(), GetImageSubresourceLayout(vkGpu->device(), fImage,
287	0	&subresource, &yLayout));
288	0	uint8_t* bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + yLayout.offset;
289	0	for (size_t y = 0; y < height; ++y) {
290	0	for (size_t x = 0; x < width; ++x) {
291	0	bufferData[y * yLayout.rowPitch + x] = GetExpectedY(x, y, width, height);
292	0	}
293	0	}
294
295		// Write UV channels.
296	0	subresource.aspectMask = VK_IMAGE_ASPECT_PLANE_1_BIT;
297	0	VkSubresourceLayout uvLayout;
298	0	GR_VK_CALL(vkGpu->vkInterface(), GetImageSubresourceLayout(vkGpu->device(), fImage,
299	0	&subresource, &uvLayout));
300	0	bufferData = reinterpret_cast<uint8_t*>(mappedBuffer) + uvLayout.offset;
301	0	for (size_t y = 0; y < height / 2; ++y) {
302	0	for (size_t x = 0; x < width / 2; ++x) {
303	0	auto [u, v] = GetExpectedUV(2x, 2y, width, height);
304	0	bufferData[y * uvLayout.rowPitch + x * 2] = u;
305	0	bufferData[y * uvLayout.rowPitch + x * 2 + 1] = v;
306	0	}
307	0	}
308
309	0	VkMappedMemoryRange flushRange;
310	0	flushRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
311	0	flushRange.pNext = nullptr;
312	0	flushRange.memory = fImageMemory;
313	0	flushRange.offset = 0;
314	0	flushRange.size = VK_WHOLE_SIZE;
315	0	GR_VK_CALL_RESULT(vkGpu, result, FlushMappedMemoryRanges(vkGpu->device(), 1, &flushRange));
316	0	if (result != VK_SUCCESS) {
317	0	return false;
318	0	}
319	0	GR_VK_CALL(vkGpu->vkInterface(), UnmapMemory(vkGpu->device(), fImageMemory));
320
321		// Bind image memory.
322	0	GR_VK_CALL_RESULT(vkGpu, result, BindImageMemory(vkGpu->device(), fImage, fImageMemory, 0u));
323	0	if (result != VK_SUCCESS) {
324	0	return false;
325	0	}
326
327		// Wrap the image into SkImage.
328	0	VkFormatProperties formatProperties;
329	0	GR_VK_CALL(vkGpu->vkInterface(),
330	0	GetPhysicalDeviceFormatProperties(vkGpu->physicalDevice(),
331	0	VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
332	0	&formatProperties));
333	0	SkDEBUGCODE(auto linFlags = formatProperties.linearTilingFeatures;)
334	0	SkASSERT((linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) &&
335	0	(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) &&
336	0	(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT) &&
337	0	(linFlags & VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT));
338
339	0	skgpu::VulkanYcbcrConversionInfo ycbcrInfo = {vkImageInfo.format,
340	0	/externalFormat=/0,
341	0	VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_709,
342	0	VK_SAMPLER_YCBCR_RANGE_ITU_NARROW,
343	0	VK_CHROMA_LOCATION_COSITED_EVEN,
344	0	VK_CHROMA_LOCATION_COSITED_EVEN,
345	0	VK_FILTER_LINEAR,
346	0	false,
347	0	formatProperties.linearTilingFeatures,
348	0	/fComponents=/{}};
349	0	skgpu::VulkanAlloc alloc;
350	0	alloc.fMemory = fImageMemory;
351	0	alloc.fOffset = 0;
352	0	alloc.fSize = requirements.size;
353
354	0	GrVkImageInfo imageInfo = {fImage,
355	0	alloc,
356	0	VK_IMAGE_TILING_LINEAR,
357	0	VK_IMAGE_LAYOUT_UNDEFINED,
358	0	vkImageInfo.format,
359	0	vkImageInfo.usage,
360	0	1 /* sample count */,
361	0	1 /* levelCount */,
362	0	VK_QUEUE_FAMILY_IGNORED,
363	0	GrProtected::kNo,
364	0	ycbcrInfo};
365
366	0	fGrTexture = GrBackendTextures::MakeVk(width, height, imageInfo);
367	0	return true;
368	0	} Unexecuted instantiation: VkYcbcrSamplerHelper::createGrBackendTexture(unsigned int, unsigned int) Unexecuted instantiation: VkYcbcrSamplerHelper::createGrBackendTexture(unsigned int, unsigned int)
369
370	0	GrVkGpu* VkYcbcrSamplerHelper::vkGpu() {
371	0	return (GrVkGpu*) fDContext->priv().getGpu();
372	0	}
373
374	0	VkYcbcrSamplerHelper::VkYcbcrSamplerHelper(GrDirectContext* dContext) : fDContext(dContext) {
375	0	SkASSERT_RELEASE(dContext->backend() == GrBackendApi::kVulkan);
376	0	#if defined(SK_GRAPHITE)
377	0	fSharedCtxt = nullptr;
378	0	#endif
379	0	}
380
381	0	VkYcbcrSamplerHelper::~VkYcbcrSamplerHelper() {
382	0	#ifdef SK_GRAPHITE
383	0	if (fSharedCtxt) {
384	0	if (fImage != VK_NULL_HANDLE) {
385	0	VULKAN_CALL(fSharedCtxt->interface(),
386	0	DestroyImage(fSharedCtxt->device(), fImage, nullptr));
387	0	fImage = VK_NULL_HANDLE;
388	0	}
389	0	if (fImageMemory != VK_NULL_HANDLE) {
390	0	VULKAN_CALL(fSharedCtxt->interface(),
391	0	FreeMemory(fSharedCtxt->device(), fImageMemory, nullptr));
392	0	fImageMemory = VK_NULL_HANDLE;
393	0	}
394	0	} else
395	0	#endif // SK_GRAPHITE
396	0	{
397	0	GrVkGpu* vkGpu = this->vkGpu();
398
399	0	if (fImage != VK_NULL_HANDLE) {
400	0	GR_VK_CALL(vkGpu->vkInterface(), DestroyImage(vkGpu->device(), fImage, nullptr));
401	0	fImage = VK_NULL_HANDLE;
402	0	}
403	0	if (fImageMemory != VK_NULL_HANDLE) {
404	0	GR_VK_CALL(vkGpu->vkInterface(), FreeMemory(vkGpu->device(), fImageMemory, nullptr));
405	0	fImageMemory = VK_NULL_HANDLE;
406	0	}
407	0	}
408	0	}
409
410	0	bool VkYcbcrSamplerHelper::isYCbCrSupported() {
411	0	VkFormatProperties formatProperties;
412	0	#ifdef SK_GRAPHITE
413	0	if (fSharedCtxt) {
414	0	if (!fSharedCtxt->vulkanCaps().supportsYcbcrConversion()) {
415	0	return false;
416	0	}
417
418	0	SkASSERT(fSharedCtxt->physDevice() != VK_NULL_HANDLE);
419	0	VULKAN_CALL(fSharedCtxt->interface(),
420	0	GetPhysicalDeviceFormatProperties(fSharedCtxt->physDevice(),
421	0	VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
422	0	&formatProperties));
423	0	} else
424	0	#endif
425	0	{
426	0	GrVkGpu* vkGpu = this->vkGpu();
427	0	if (!vkGpu->vkCaps().supportsYcbcrConversion()) {
428	0	return false;
429	0	}
430
431	0	GR_VK_CALL(vkGpu->vkInterface(),
432	0	GetPhysicalDeviceFormatProperties(vkGpu->physicalDevice(),
433	0	VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
434	0	&formatProperties));
435	0	}
436
437		// The createBackendTexture call (which is the point of this helper class) requires linear
438		// support for VK_FORMAT_G8_B8R8_2PLANE_420_UNORM including sampling and cosited chroma.
439		// Verify that the image format is supported.
440	0	auto linFlags = formatProperties.linearTilingFeatures;
441	0	if (!(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) \|\|
442	0	!(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) \|\|
443	0	!(linFlags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT) \|\|
444	0	!(linFlags & VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT)) {
445		// VK_FORMAT_G8_B8R8_2PLANE_420_UNORM is not supported
446	0	return false;
447	0	}
448	0	return true;
449	0	} Unexecuted instantiation: VkYcbcrSamplerHelper::isYCbCrSupported() Unexecuted instantiation: VkYcbcrSamplerHelper::isYCbCrSupported()
450		#endif // SK_VULKAN