GrD3DCpuDescriptorManager Class Reference

#include <GrD3DCpuDescriptorManager.h>

Public Member Functions
	GrD3DCpuDescriptorManager (GrD3DGpu *)
GrD3DDescriptorHeap::CPUHandle	createRenderTargetView (GrD3DGpu *, ID3D12Resource *textureResource)
void	recycleRenderTargetView (const GrD3DDescriptorHeap::CPUHandle &)
GrD3DDescriptorHeap::CPUHandle	createDepthStencilView (GrD3DGpu *, ID3D12Resource *textureResource)
void	recycleDepthStencilView (const GrD3DDescriptorHeap::CPUHandle &)
GrD3DDescriptorHeap::CPUHandle	createConstantBufferView (GrD3DGpu *, ID3D12Resource *bufferResource, size_t offset, size_t size)
GrD3DDescriptorHeap::CPUHandle	createShaderResourceView (GrD3DGpu *, ID3D12Resource *resource, unsigned int mostDetailedMip, unsigned int mipLevels)
GrD3DDescriptorHeap::CPUHandle	createUnorderedAccessView (GrD3DGpu *, ID3D12Resource *resource, unsigned int mipSlice)
void	recycleShaderView (const GrD3DDescriptorHeap::CPUHandle &)
GrD3DDescriptorHeap::CPUHandle	createSampler (GrD3DGpu *, D3D12_FILTER filter, float maxLOD, unsigned int maxAnisotropy, D3D12_TEXTURE_ADDRESS_MODE addressModeU, D3D12_TEXTURE_ADDRESS_MODE addressModeV)
void	recycleSampler (const GrD3DDescriptorHeap::CPUHandle &)

Detailed Description

Definition at line 16 of file GrD3DCpuDescriptorManager.h.

Constructor & Destructor Documentation

GrD3DCpuDescriptorManager()

GrD3DCpuDescriptorManager::GrD3DCpuDescriptorManager

(

GrD3DGpu *

gpu

)

Definition at line 12 of file GrD3DCpuDescriptorManager.cpp.

    : fRTVDescriptorPool(gpu, D3D12_DESCRIPTOR_HEAP_TYPE_RTV)
    , fDSVDescriptorPool(gpu, D3D12_DESCRIPTOR_HEAP_TYPE_DSV)
    , fShaderViewDescriptorPool(gpu, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV)
    , fSamplerDescriptorPool(gpu, D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER) {}

Member Function Documentation

createConstantBufferView()

GrD3DDescriptorHeap::CPUHandle GrD3DCpuDescriptorManager::createConstantBufferView	(	GrD3DGpu *	gpu,
		ID3D12Resource *	bufferResource,
		size_t	offset,
		size_t	size
	)

Definition at line 42 of file GrD3DCpuDescriptorManager.cpp.

                                                                                   {
    const GrD3DDescriptorHeap::CPUHandle& descriptor =
            fShaderViewDescriptorPool.allocateHandle(gpu);
    D3D12_CONSTANT_BUFFER_VIEW_DESC desc = {};
    desc.BufferLocation = bufferResource->GetGPUVirtualAddress() + offset;
    desc.SizeInBytes = size;
    gpu->device()->CreateConstantBufferView(&desc, descriptor.fHandle);
    return descriptor;
}

createDepthStencilView()

GrD3DDescriptorHeap::CPUHandle GrD3DCpuDescriptorManager::createDepthStencilView	(	GrD3DGpu *	gpu,
		ID3D12Resource *	textureResource
	)

Definition at line 30 of file GrD3DCpuDescriptorManager.cpp.

                                                        {
    const GrD3DDescriptorHeap::CPUHandle& descriptor = fDSVDescriptorPool.allocateHandle(gpu);
    gpu->device()->CreateDepthStencilView(textureResource, nullptr, descriptor.fHandle);
    return descriptor;
}

createRenderTargetView()

GrD3DDescriptorHeap::CPUHandle GrD3DCpuDescriptorManager::createRenderTargetView	(	GrD3DGpu *	gpu,
		ID3D12Resource *	textureResource
	)

Definition at line 18 of file GrD3DCpuDescriptorManager.cpp.

                                                        {
    const GrD3DDescriptorHeap::CPUHandle& descriptor = fRTVDescriptorPool.allocateHandle(gpu);
    gpu->device()->CreateRenderTargetView(textureResource, nullptr, descriptor.fHandle);
    return descriptor;
}

createSampler()

GrD3DDescriptorHeap::CPUHandle GrD3DCpuDescriptorManager::createSampler	(	GrD3DGpu *	gpu,
		D3D12_FILTER	filter,
		float	maxLOD,
		unsigned int	maxAnisotropy,
		D3D12_TEXTURE_ADDRESS_MODE	addressModeU,
		D3D12_TEXTURE_ADDRESS_MODE	addressModeV
	)

Definition at line 92 of file GrD3DCpuDescriptorManager.cpp.

                                                 {
    const GrD3DDescriptorHeap::CPUHandle& descriptor = fSamplerDescriptorPool.allocateHandle(gpu);
    D3D12_SAMPLER_DESC desc = {};
    desc.Filter = filter;
    desc.AddressU = addressModeU;
    desc.AddressV = addressModeV;
    desc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
    desc.MipLODBias = 0;
    desc.MaxAnisotropy = maxAnisotropy;
    desc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
    // desc.BorderColor initialized to { 0, 0, 0, 0 } by default initializer, above.
    desc.MinLOD = 0;
    desc.MaxLOD = maxLOD;
 
    gpu->device()->CreateSampler(&desc, descriptor.fHandle);
    return descriptor;
}

createShaderResourceView()

GrD3DDescriptorHeap::CPUHandle GrD3DCpuDescriptorManager::createShaderResourceView	(	GrD3DGpu *	gpu,
		ID3D12Resource *	resource,
		unsigned int	mostDetailedMip,
		unsigned int	mipLevels
	)

Definition at line 53 of file GrD3DCpuDescriptorManager.cpp.

                                                              {
    const GrD3DDescriptorHeap::CPUHandle& descriptor =
            fShaderViewDescriptorPool.allocateHandle(gpu);
    // TODO: for 4:2:0 YUV formats we'll need to map two different views, one for Y and one for UV.
    // For now map the entire resource.
    D3D12_SHADER_RESOURCE_VIEW_DESC desc = {};
    desc.Format = resource->GetDesc().Format;
    desc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
    desc.Texture2D.MostDetailedMip = mostDetailedMip;
    desc.Texture2D.MipLevels = mipLevels;
    desc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
    gpu->device()->CreateShaderResourceView(resource, &desc, descriptor.fHandle);
    return descriptor;
}

createUnorderedAccessView()

GrD3DDescriptorHeap::CPUHandle GrD3DCpuDescriptorManager::createUnorderedAccessView	(	GrD3DGpu *	gpu,
		ID3D12Resource *	resource,
		unsigned int	mipSlice
	)

Definition at line 70 of file GrD3DCpuDescriptorManager.cpp.

                                                                        {
    const GrD3DDescriptorHeap::CPUHandle& descriptor =
            fShaderViewDescriptorPool.allocateHandle(gpu);
    if (resource->GetDesc().Dimension == D3D12_RESOURCE_DIMENSION_BUFFER) {
        // TODO: figure out buffer setup
        gpu->device()->CreateUnorderedAccessView(resource, nullptr, nullptr, descriptor.fHandle);
    } else {
        D3D12_UNORDERED_ACCESS_VIEW_DESC desc = {};
        desc.Format = resource->GetDesc().Format;
        desc.ViewDimension = D3D12_UAV_DIMENSION_TEXTURE2D;
        desc.Texture2D.MipSlice = mipSlice;
        gpu->device()->CreateUnorderedAccessView(resource, nullptr, &desc, descriptor.fHandle);
    }
    return descriptor;
}

recycleDepthStencilView()

void GrD3DCpuDescriptorManager::recycleDepthStencilView

(

const GrD3DDescriptorHeap::CPUHandle &

dsvDescriptor

)

Definition at line 37 of file GrD3DCpuDescriptorManager.cpp.

                                                           {
    fDSVDescriptorPool.releaseHandle(dsvDescriptor);
}

recycleRenderTargetView()

void GrD3DCpuDescriptorManager::recycleRenderTargetView

(

const GrD3DDescriptorHeap::CPUHandle &

rtvDescriptor

)

Definition at line 25 of file GrD3DCpuDescriptorManager.cpp.

                                                           {
    fRTVDescriptorPool.releaseHandle(rtvDescriptor);
}

recycleSampler()

void GrD3DCpuDescriptorManager::recycleSampler

(

const GrD3DDescriptorHeap::CPUHandle &

samplerDescriptor

)

Definition at line 116 of file GrD3DCpuDescriptorManager.cpp.

                                                               {
    fSamplerDescriptorPool.releaseHandle(samplerDescriptor);
}

recycleShaderView()

void GrD3DCpuDescriptorManager::recycleShaderView

(

const GrD3DDescriptorHeap::CPUHandle &

view

)

Definition at line 87 of file GrD3DCpuDescriptorManager.cpp.

                                                  {
    fShaderViewDescriptorPool.releaseHandle(view);
}

---

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

• third_party/skia/src/gpu/ganesh/d3d/GrD3DCpuDescriptorManager.h
• third_party/skia/src/gpu/ganesh/d3d/GrD3DCpuDescriptorManager.cpp