#include <VulkanSampler.h>

Inheritance diagram for skgpu::graphite::VulkanSampler:

Public Member Functions
	~VulkanSampler () override

VkSampler	vkSampler () const

const VulkanYcbcrConversion *	ycbcrConversion () const

Public Member Functions inherited from skgpu::graphite::Sampler
	~Sampler () override

const char *	getResourceType () const override

Public Member Functions inherited from skgpu::graphite::Resource
	Resource (const Resource &)=delete

	Resource (Resource &&)=delete

Resource &	operator= (const Resource &)=delete

Resource &	operator= (Resource &&)=delete

void	ref () const

void	unref () const

void	refCommandBuffer () const

void	unrefCommandBuffer () const

Ownership	ownership () const

skgpu::Budgeted	budgeted () const

size_t	gpuMemorySize () const

UniqueID	uniqueID () const

virtual const char *	getResourceType () const =0

std::string	getLabel () const

void	setLabel (std::string_view label)

bool	wasDestroyed () const

const GraphiteResourceKey &	key () const

void	setKey (const GraphiteResourceKey &key)

void	dumpMemoryStatistics (SkTraceMemoryDump *traceMemoryDump) const

virtual void	prepareForReturnToCache (const std::function< void()> &takeRef)

Static Public Member Functions
static sk_sp< VulkanSampler >	Make (const VulkanSharedContext *, const SkSamplingOptions &, SkTileMode xTileMode, SkTileMode yTileMode, sk_sp< VulkanYcbcrConversion > ycbcrConversion=nullptr)

Additional Inherited Members
Protected Member Functions inherited from skgpu::graphite::Sampler
	Sampler (const SharedContext *)

Protected Member Functions inherited from skgpu::graphite::Resource
	Resource (const SharedContext *, Ownership, skgpu::Budgeted, size_t gpuMemorySize, bool commandBufferRefsAsUsageRefs=false)

virtual	~Resource ()

const SharedContext *	sharedContext () const

virtual void	onDumpMemoryStatistics (SkTraceMemoryDump traceMemoryDump, const char dumpName) const

void	setDeleteASAP ()

Detailed Description

Definition at line 22 of file VulkanSampler.h.

Constructor & Destructor Documentation

◆ ~VulkanSampler()

skgpu::graphite::VulkanSampler::~VulkanSampler ( )

inlineoverride

Definition at line 30 of file VulkanSampler.h.

30{}

Member Function Documentation

◆ Make()

sk_sp< VulkanSampler > skgpu::graphite::VulkanSampler::Make	(	const VulkanSharedContext *	sharedContext,
		const SkSamplingOptions &	samplingOptions,
		SkTileMode	xTileMode,
		SkTileMode	yTileMode,
		sk_sp< VulkanYcbcrConversion >	ycbcrConversion = `nullptr`
	)

static

Definition at line 37 of file VulkanSampler.cpp.

                                                      {
 
    VkSamplerCreateInfo samplerInfo;
    memset(&samplerInfo, 0, sizeof(VkSamplerCreateInfo));
    samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
    // TODO(b/311392779): If a ycbcrConversion is passed in, assign pNext to
    // VkSamplerYcbcrConversion.
    samplerInfo.pNext = nullptr;
    samplerInfo.flags = 0;
 
    VkFilter minMagFilter = [&] {
        switch (samplingOptions.filter) {
            case SkFilterMode::kNearest: return VK_FILTER_NEAREST;
            case SkFilterMode::kLinear:  return VK_FILTER_LINEAR;
        }
        SkUNREACHABLE;
    }();
 
    VkSamplerMipmapMode mipmapMode = [&] {
      switch (samplingOptions.mipmap) {
          // There is no disable mode. We use max level to disable mip mapping.
          // It may make more sense to use NEAREST for kNone but Chrome pixel tests have
          // been dependent on subtle rendering differences introduced by switching this.
          case SkMipmapMode::kNone:    return VK_SAMPLER_MIPMAP_MODE_LINEAR;
          case SkMipmapMode::kNearest: return VK_SAMPLER_MIPMAP_MODE_NEAREST;
          case SkMipmapMode::kLinear:  return VK_SAMPLER_MIPMAP_MODE_LINEAR;
      }
      SkUNREACHABLE;
    }();
 
    samplerInfo.magFilter = minMagFilter;
    samplerInfo.minFilter = minMagFilter;
    samplerInfo.mipmapMode = mipmapMode;
    samplerInfo.addressModeU = tile_mode_to_vk_sampler_address(xTileMode);
    samplerInfo.addressModeV = tile_mode_to_vk_sampler_address(yTileMode);
    samplerInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
    samplerInfo.mipLodBias = 0;
    samplerInfo.anisotropyEnable = VK_FALSE;
    samplerInfo.maxAnisotropy = 1; // TODO: when we start using aniso, need to add to key
    samplerInfo.compareEnable = VK_FALSE;
    samplerInfo.compareOp = VK_COMPARE_OP_NEVER;
    // Vulkan doesn't have a direct mapping to use nearest or linear filters for minFilter since
    // there is always a mipmapMode. To get the same effect we can set minLod = maxLod = 0.0.
    // This works since our min and mag filters are the same (this forces us to use mag on the 0
    // level mip). If the filters weren't the same we could set min = 0 and max = 0.25 to force
    // the minFilter on mip level 0.
    samplerInfo.minLod = 0;
    samplerInfo.maxLod = (samplingOptions.mipmap == SkMipmapMode::kNone) ? 0.0f : VK_LOD_CLAMP_NONE;
    samplerInfo.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
    samplerInfo.unnormalizedCoordinates = VK_FALSE;
 
    VkSampler sampler;
    VkResult result;
    VULKAN_CALL_RESULT(sharedContext,
                       result,
                       CreateSampler(sharedContext->device(), &samplerInfo, nullptr, &sampler));
    if (result != VK_SUCCESS) {
        return nullptr;
    }
 
    return sk_sp<VulkanSampler>(new VulkanSampler(sharedContext,
                                                  sampler,
                                                  std::move(ycbcrConversion)));
}

◆ vkSampler()

VkSampler skgpu::graphite::VulkanSampler::vkSampler ( ) const

inline

Definition at line 32 of file VulkanSampler.h.

32{ return fSampler; }

◆ ycbcrConversion()

const VulkanYcbcrConversion * skgpu::graphite::VulkanSampler::ycbcrConversion ( ) const

inline

Definition at line 34 of file VulkanSampler.h.

34{ return fYcbcrConversion.get(); }

The documentation for this class was generated from the following files:

third_party/skia/src/gpu/graphite/vk/VulkanSampler.h
third_party/skia/src/gpu/graphite/vk/VulkanSampler.cpp

Public Member Functions

Static Public Member Functions