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boo/lib/graphicsdev/D3D12.cpp

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#include "boo/graphicsdev/D3D12.hpp"
#include "boo/IGraphicsContext.hpp"
#include <vector>
#include <thread>
#include <mutex>
#include <condition_variable>
#include <LogVisor/LogVisor.hpp>
#include "d3dx12.h"
#include <d3dcompiler.h>
namespace boo
{
static LogVisor::LogModule Log("boo::GL");
static inline void ThrowIfFailed(HRESULT hr)
{
if (FAILED(hr))
{
// Set a breakpoint on this line to catch Win32 API errors.
Log.report(LogVisor::FatalError, "General D3D12 err");
}
}
static inline UINT64 NextHeapOffset(UINT64 offset, const D3D12_RESOURCE_ALLOCATION_INFO& info)
{
offset += info.SizeInBytes;
return (offset + info.Alignment - 1) & ~(info.Alignment - 1);
}
struct D3D12Context
{
ComPtr<ID3D12Device> m_dev;
ComPtr<ID3D12CommandAllocator> m_qalloc;
ComPtr<ID3D12CommandQueue> m_q;
ComPtr<ID3D12CommandAllocator> m_loadqalloc;
ComPtr<ID3D12CommandQueue> m_loadq;
ComPtr<ID3D12Fence> m_frameFence;
ComPtr<ID3D12RootSignature> m_rs;
struct Window
{
ComPtr<ID3D12Resource> m_fbs[3];
};
std::vector<Window> m_windows;
};
struct D3D12Data : IGraphicsData
{
std::vector<std::unique_ptr<class D3D12ShaderPipeline>> m_SPs;
std::vector<std::unique_ptr<struct D3D12ShaderDataBinding>> m_SBinds;
std::vector<std::unique_ptr<class D3D12GraphicsBufferS>> m_SBufs;
std::vector<std::unique_ptr<class D3D12GraphicsBufferD>> m_DBufs;
std::vector<std::unique_ptr<class D3D12TextureS>> m_STexs;
std::vector<std::unique_ptr<class D3D12TextureD>> m_DTexs;
std::vector<std::unique_ptr<struct D3D12VertexFormat>> m_VFmts;
ComPtr<ID3D12Heap> m_gpuHeap;
};
static const D3D12_RESOURCE_STATES USE_TABLE[] =
{
D3D12_RESOURCE_STATE_COMMON,
D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER,
D3D12_RESOURCE_STATE_INDEX_BUFFER,
D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER
};
class D3D12GraphicsBufferS : public IGraphicsBufferS
{
friend class D3D12DataFactory;
friend struct D3D12CommandQueue;
D3D12_RESOURCE_STATES m_state;
D3D12GraphicsBufferS(BufferUse use, D3D12Context* ctx, const void* data, size_t stride, size_t count)
: m_state(USE_TABLE[use]), m_stride(stride), m_count(count)
{
size_t sz = stride * count;
ThrowIfFailed(ctx->m_dev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE, &CD3DX12_RESOURCE_DESC::Buffer(sz),
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, __uuidof(ID3D12Resource), &m_buf));
void* m_d3dBuf;
m_buf->Map(0, nullptr, &m_d3dBuf);
memcpy(m_d3dBuf, data, sz);
m_buf->Unmap(0, nullptr);
}
public:
size_t m_stride;
size_t m_count;
ComPtr<ID3D12Resource> m_buf;
ComPtr<ID3D12Resource> m_gpuBuf;
~D3D12GraphicsBufferS() = default;
UINT64 placeForGPU(D3D12Context* ctx, ID3D12Heap* gpuHeap, UINT64 offset)
{
D3D12_RESOURCE_DESC desc = m_buf->GetDesc();
ThrowIfFailed(ctx->m_dev->CreatePlacedResource(gpuHeap, offset, &desc, m_state,
nullptr, __uuidof(ID3D12Resource), &m_gpuBuf));
return NextHeapOffset(offset, ctx->m_dev->GetResourceAllocationInfo(0, 1, &desc));
}
};
class D3D12GraphicsBufferD : public IGraphicsBufferD
{
friend class D3D12DataFactory;
friend struct D3D12CommandQueue;
D3D12CommandQueue* m_q;
D3D12_RESOURCE_STATES m_state;
D3D12GraphicsBufferD(D3D12CommandQueue* q, BufferUse use, D3D12Context* ctx, size_t stride, size_t count)
: m_state(USE_TABLE[use]), m_q(q), m_stride(stride), m_count(count)
{
size_t sz = stride * count;
for (int i=0 ; i<3 ; ++i)
{
ThrowIfFailed(ctx->m_dev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE, &CD3DX12_RESOURCE_DESC::Buffer(sz),
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, __uuidof(ID3D12Resource), &m_bufs[i]));
}
}
public:
size_t m_stride;
size_t m_count;
ComPtr<ID3D12Resource> m_bufs[3];
ComPtr<ID3D12Resource> m_gpuBufs[3];
~D3D12GraphicsBufferD() = default;
void load(const void* data, size_t sz);
void* map(size_t sz);
void unmap();
UINT64 placeForGPU(D3D12Context* ctx, ID3D12Heap* gpuHeap, UINT64 offset)
{
for (int i=0 ; i<3 ; ++i)
{
D3D12_RESOURCE_DESC desc = m_bufs[i]->GetDesc();
ThrowIfFailed(ctx->m_dev->CreatePlacedResource(gpuHeap, offset, &desc, m_state,
nullptr, __uuidof(ID3D12Resource), &m_gpuBufs[i]));
offset = NextHeapOffset(offset, ctx->m_dev->GetResourceAllocationInfo(0, 1, &desc));
}
return offset;
}
};
const IGraphicsBufferS*
D3D12DataFactory::newStaticBuffer(BufferUse use, const void* data, size_t stride, size_t count)
{
D3D12GraphicsBufferS* retval = new D3D12GraphicsBufferS(use, m_ctx, data, stride, count);
static_cast<D3D12Data*>(m_deferredData)->m_SBufs.emplace_back(retval);
return retval;
}
class D3D12TextureS : public ITextureS
{
friend class D3D12DataFactory;
D3D12TextureS(D3D12Context* ctx, size_t width, size_t height, size_t mips,
TextureFormat fmt, const void* data, size_t sz)
{
ThrowIfFailed(ctx->m_dev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE, &CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R8G8B8A8_UNORM, width, height, 1, mips),
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, __uuidof(ID3D12Resource), &m_tex));
const uint8_t* dataIt = static_cast<const uint8_t*>(data);
if (fmt == TextureFormatRGBA8)
{
for (size_t i=0 ; i<mips ; ++i)
{
void* data;
m_tex->Map(i, nullptr, &data);
size_t thisSz = width * height * 4;
memcpy(data, dataIt, thisSz);
m_tex->Unmap(i, nullptr);
dataIt += thisSz;
width /= 2;
height /= 2;
}
}
}
public:
ComPtr<ID3D12Resource> m_tex;
ComPtr<ID3D12Resource> m_gpuTex;
~D3D12TextureS() = default;
UINT64 placeForGPU(D3D12Context* ctx, ID3D12Heap* gpuHeap, UINT64 offset)
{
D3D12_RESOURCE_DESC desc = m_tex->GetDesc();
ThrowIfFailed(ctx->m_dev->CreatePlacedResource(gpuHeap, offset, &desc,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE,
nullptr, __uuidof(ID3D12Resource), &m_gpuTex));
return NextHeapOffset(offset, ctx->m_dev->GetResourceAllocationInfo(0, 1, &desc));
}
};
class D3D12TextureD : public ITextureD
{
friend class D3D12DataFactory;
friend struct D3D12CommandQueue;
size_t m_width = 0;
size_t m_height = 0;
D3D12CommandQueue* m_q;
D3D12TextureD(D3D12CommandQueue* q, D3D12Context* ctx, size_t width, size_t height, TextureFormat fmt)
: m_q(q)
{
ThrowIfFailed(ctx->m_dev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE, &CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R8G8B8A8_UNORM, width, height),
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, __uuidof(ID3D12Resource), &m_texs[0]));
ThrowIfFailed(ctx->m_dev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE, &CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_D24_UNORM_S8_UINT, width, height),
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, __uuidof(ID3D12Resource), &m_texs[1]));
}
public:
ComPtr<ID3D12Resource> m_texs[2];
ComPtr<ID3D12Resource> m_gpuTexs[2];
~D3D12TextureD() = default;
void load(const void* data, size_t sz)
{
void* buf;
m_texs[0]->Map(0, nullptr, &buf);
memcpy(buf, data, sz);
m_texs[0]->Unmap(0, nullptr);
}
void* map(size_t sz)
{
void* buf;
m_texs[0]->Map(0, nullptr, &buf);
return buf;
}
void unmap()
{
m_texs[0]->Unmap(0, nullptr);
}
UINT64 placeForGPU(D3D12Context* ctx, ID3D12Heap* gpuHeap, UINT64 offset)
{
for (int i=0 ; i<2 ; ++i)
{
D3D12_RESOURCE_DESC desc = m_texs[i]->GetDesc();
ThrowIfFailed(ctx->m_dev->CreatePlacedResource(gpuHeap, offset, &desc,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE,
nullptr, __uuidof(ID3D12Resource), &m_gpuTexs[i]));
offset = NextHeapOffset(offset, ctx->m_dev->GetResourceAllocationInfo(0, 1, &desc));
}
return offset;
}
};
const ITextureS*
D3D12DataFactory::newStaticTexture(size_t width, size_t height, size_t mips, TextureFormat fmt,
const void* data, size_t sz)
{
D3D12TextureS* retval = new D3D12TextureS(m_ctx, width, height, mips, fmt, data, sz);
static_cast<D3D12Data*>(m_deferredData)->m_STexs.emplace_back(retval);
return retval;
}
static const size_t SEMANTIC_SIZE_TABLE[] =
{
12,
12,
4,
8,
16
};
static const char* SEMANTIC_NAME_TABLE[] =
{
"POSITION",
"NORMAL",
"COLOR",
"UV",
"WEIGHT"
};
static const DXGI_FORMAT SEMANTIC_TYPE_TABLE[] =
{
DXGI_FORMAT_R32G32B32_FLOAT,
DXGI_FORMAT_R32G32B32_FLOAT,
DXGI_FORMAT_R8G8B8A8_UNORM,
DXGI_FORMAT_R32G32_FLOAT,
DXGI_FORMAT_R32G32B32A32_FLOAT
};
struct D3D12VertexFormat : IVertexFormat
{
size_t m_elementCount;
std::unique_ptr<D3D12_INPUT_ELEMENT_DESC[]> m_elements;
D3D12VertexFormat(size_t elementCount, const VertexElementDescriptor* elements)
: m_elementCount(elementCount),
m_elements(new D3D12_INPUT_ELEMENT_DESC[elementCount])
{
memset(m_elements.get(), 0, elementCount * sizeof(D3D12_INPUT_ELEMENT_DESC));
for (size_t i=0 ; i<elementCount ; ++i)
{
D3D12_INPUT_ELEMENT_DESC& elem = m_elements[i];
elem.SemanticName = SEMANTIC_NAME_TABLE[elements->semantic];
elem.SemanticIndex = elements->semanticIdx;
elem.Format = SEMANTIC_TYPE_TABLE[elements->semantic];
elem.AlignedByteOffset = D3D12_APPEND_ALIGNED_ELEMENT;
elem.InputSlotClass = D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA;
}
}
};
static const D3D12_BLEND BLEND_FACTOR_TABLE[] =
{
D3D12_BLEND_ZERO,
D3D12_BLEND_ONE,
D3D12_BLEND_SRC_COLOR,
D3D12_BLEND_INV_SRC_COLOR,
D3D12_BLEND_DEST_COLOR,
D3D12_BLEND_INV_DEST_COLOR,
D3D12_BLEND_SRC_ALPHA,
D3D12_BLEND_INV_SRC_ALPHA,
D3D12_BLEND_DEST_ALPHA,
D3D12_BLEND_INV_DEST_ALPHA
};
class D3D12ShaderPipeline : public IShaderPipeline
{
friend class D3D12DataFactory;
D3D12ShaderPipeline(D3D12Context* ctx, ID3DBlob* vert, ID3DBlob* pixel,
const D3D12VertexFormat* vtxFmt,
BlendFactor srcFac, BlendFactor dstFac,
bool depthTest, bool depthWrite, bool backfaceCulling)
{
D3D12_GRAPHICS_PIPELINE_STATE_DESC desc = {};
desc.pRootSignature = ctx->m_rs.Get();
desc.VS = {vert->GetBufferPointer(), vert->GetBufferSize()};
desc.PS = {pixel->GetBufferPointer(), pixel->GetBufferSize()};
desc.BlendState = CD3DX12_BLEND_DESC(D3D12_DEFAULT);
if (dstFac != BlendFactorZero)
{
desc.BlendState.RenderTarget[0].BlendEnable = true;
desc.BlendState.RenderTarget[0].SrcBlend = BLEND_FACTOR_TABLE[srcFac];
desc.BlendState.RenderTarget[0].DestBlend = BLEND_FACTOR_TABLE[dstFac];
}
desc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3D12_DEFAULT);
if (!backfaceCulling)
desc.RasterizerState.CullMode = D3D12_CULL_MODE_NONE;
desc.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC(D3D12_DEFAULT);
if (!depthTest)
desc.DepthStencilState.DepthEnable = false;
if (!depthWrite)
desc.DepthStencilState.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ZERO;
desc.InputLayout.NumElements = vtxFmt->m_elementCount;
desc.InputLayout.pInputElementDescs = vtxFmt->m_elements.get();
desc.SampleMask = UINT_MAX;
desc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
desc.NumRenderTargets = 1;
desc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
desc.SampleDesc.Count = 1;
ThrowIfFailed(ctx->m_dev->CreateGraphicsPipelineState(&desc, __uuidof(ID3D12PipelineState), &m_state));
}
public:
ComPtr<ID3D12PipelineState> m_state;
~D3D12ShaderPipeline() = default;
D3D12ShaderPipeline& operator=(const D3D12ShaderPipeline&) = delete;
D3D12ShaderPipeline(const D3D12ShaderPipeline&) = delete;
};
const IShaderPipeline* D3D12DataFactory::newShaderPipeline
(const char* vertSource, const char* fragSource,
ComPtr<ID3DBlob>& vertBlobOut, ComPtr<ID3DBlob>& fragBlobOut,
const IVertexFormat* vtxFmt,
BlendFactor srcFac, BlendFactor dstFac,
bool depthTest, bool depthWrite, bool backfaceCulling)
{
ComPtr<ID3DBlob> errBlob;
if (FAILED(D3DCompile(vertSource, strlen(vertSource), "HECL Vert Source", nullptr, nullptr, "main",
"vs_5_0", D3DCOMPILE_OPTIMIZATION_LEVEL3, 0, &vertBlobOut, &errBlob)))
{
Log.report(LogVisor::FatalError, "error compiling vert shader: %s", errBlob->GetBufferPointer());
return nullptr;
}
if (FAILED(D3DCompile(fragSource, strlen(fragSource), "HECL Pixel Source", nullptr, nullptr, "main",
"ps_5_0", D3DCOMPILE_OPTIMIZATION_LEVEL3, 0, &fragBlobOut, &errBlob)))
{
Log.report(LogVisor::FatalError, "error compiling pixel shader: %s", errBlob->GetBufferPointer());
return nullptr;
}
D3D12ShaderPipeline* retval = new D3D12ShaderPipeline(m_ctx, vertBlobOut.Get(), fragBlobOut.Get(),
static_cast<const D3D12VertexFormat*>(vtxFmt),
srcFac, dstFac, depthTest, depthWrite, backfaceCulling);
static_cast<D3D12Data*>(m_deferredData)->m_SPs.emplace_back(retval);
return retval;
}
static UINT64 PlaceBufferForGPU(IGraphicsBuffer* buf, D3D12Context* ctx, ID3D12Heap* gpuHeap, UINT64 offset)
{
if (buf->dynamic())
return static_cast<D3D12GraphicsBufferD*>(buf)->placeForGPU(ctx, gpuHeap, offset);
else
return static_cast<D3D12GraphicsBufferS*>(buf)->placeForGPU(ctx, gpuHeap, offset);
}
static UINT64 PlaceTextureForGPU(ITexture* tex, D3D12Context* ctx, ID3D12Heap* gpuHeap, UINT64 offset)
{
if (tex->dynamic())
return static_cast<D3D12TextureD*>(tex)->placeForGPU(ctx, gpuHeap, offset);
else
return static_cast<D3D12TextureS*>(tex)->placeForGPU(ctx, gpuHeap, offset);
}
static ID3D12Resource* GetBufferGPUResource(const IGraphicsBuffer* buf, int idx,
D3D12_SHADER_RESOURCE_VIEW_DESC& descOut)
{
descOut.Format = DXGI_FORMAT_UNKNOWN;
descOut.ViewDimension = D3D12_SRV_DIMENSION_BUFFER;
descOut.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
descOut.Buffer.FirstElement = 0;
descOut.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_NONE;
if (buf->dynamic())
{
const D3D12GraphicsBufferD* cbuf = static_cast<const D3D12GraphicsBufferD*>(buf);
descOut.Buffer.NumElements = cbuf->m_count;
descOut.Buffer.StructureByteStride = cbuf->m_stride;
return cbuf->m_gpuBufs[idx].Get();
}
else
{
const D3D12GraphicsBufferS* cbuf = static_cast<const D3D12GraphicsBufferS*>(buf);
descOut.Buffer.NumElements = cbuf->m_count;
descOut.Buffer.StructureByteStride = cbuf->m_stride;
return cbuf->m_gpuBuf.Get();
}
}
static ID3D12Resource* GetTextureGPUResource(const ITexture* tex, int idx)
{
if (tex->dynamic())
{
const D3D12TextureD* ctex = static_cast<const D3D12TextureD*>(tex);
return ctex->m_gpuTexs[0].Get();
}
else
{
const D3D12TextureS* ctex = static_cast<const D3D12TextureS*>(tex);
return ctex->m_gpuTex.Get();
}
}
static const struct DefaultTex2DViewDesc : D3D12_SHADER_RESOURCE_VIEW_DESC
{
DefaultTex2DViewDesc()
{
Format = DXGI_FORMAT_R8G8B8A8_UNORM;
ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
Texture2D = {0, -1, 0, 0.0f};
}
} Tex2DViewDesc;
struct D3D12ShaderDataBinding : IShaderDataBinding
{
D3D12ShaderPipeline* m_pipeline;
ComPtr<ID3D12Heap> m_gpuHeap;
ComPtr<ID3D12DescriptorHeap> m_descHeap[3];
IGraphicsBuffer* m_vbuf;
IGraphicsBuffer* m_ibuf;
size_t m_ubufCount;
std::unique_ptr<IGraphicsBuffer*[]> m_ubufs;
size_t m_texCount;
std::unique_ptr<ITexture*[]> m_texs;
D3D12ShaderDataBinding(D3D12Context* ctx,
IShaderPipeline* pipeline,
IGraphicsBuffer* vbuf, IGraphicsBuffer* ibuf,
size_t ubufCount, IGraphicsBuffer** ubufs,
size_t texCount, ITexture** texs)
: m_pipeline(static_cast<D3D12ShaderPipeline*>(pipeline)),
m_vbuf(vbuf),
m_ibuf(ibuf),
m_ubufCount(ubufCount),
m_ubufs(new IGraphicsBuffer*[ubufCount]),
m_texCount(texCount),
m_texs(new ITexture*[texCount])
{
for (size_t i=0 ; i<ubufCount ; ++i)
m_ubufs[i] = ubufs[i];
for (size_t i=0 ; i<texCount ; ++i)
m_texs[i] = texs[i];
}
void commit(D3D12Context* ctx)
{
/* Create triple-buffered descriptor heaps */
D3D12_DESCRIPTOR_HEAP_DESC desc;
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
desc.NumDescriptors = 2 + m_ubufCount + m_texCount;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
UINT incSz = ctx->m_dev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
for (int b=0 ; b<3 ; ++b)
{
ThrowIfFailed(ctx->m_dev->CreateDescriptorHeap(&desc, _uuidof(ID3D12DescriptorHeap), &m_descHeap[b]));
CD3DX12_CPU_DESCRIPTOR_HANDLE handle(m_descHeap[b]->GetCPUDescriptorHandleForHeapStart());
D3D12_SHADER_RESOURCE_VIEW_DESC viewDesc;
ctx->m_dev->CreateShaderResourceView(GetBufferGPUResource(m_vbuf, b, viewDesc), &viewDesc, handle);
handle.Offset(1, incSz);
if (m_ibuf)
ctx->m_dev->CreateShaderResourceView(GetBufferGPUResource(m_ibuf, b, viewDesc), &viewDesc, handle);
handle.Offset(1, incSz);
for (size_t i=0 ; i<m_ubufCount ; ++i)
{
ctx->m_dev->CreateShaderResourceView(GetBufferGPUResource(m_ubufs[i], b, viewDesc), &viewDesc, handle);
handle.Offset(1, incSz);
}
for (size_t i=0 ; i<m_texCount ; ++i)
{
ctx->m_dev->CreateShaderResourceView(GetTextureGPUResource(m_texs[i], b), &Tex2DViewDesc, handle);
handle.Offset(1, incSz);
}
}
}
};
const IShaderDataBinding*
D3D12DataFactory::newShaderDataBinding(IShaderPipeline* pipeline,
IVertexFormat* vtxFormat,
IGraphicsBuffer* vbuf, IGraphicsBuffer* ibuf,
size_t ubufCount, IGraphicsBuffer** ubufs,
size_t texCount, ITexture** texs)
{
D3D12ShaderDataBinding* retval =
new D3D12ShaderDataBinding(m_ctx, pipeline, vbuf, ibuf, ubufCount, ubufs, texCount, texs);
static_cast<D3D12Data*>(m_deferredData)->m_SBinds.emplace_back(retval);
return retval;
}
D3D12DataFactory::D3D12DataFactory(IGraphicsContext* parent, D3D12Context* ctx)
: m_parent(parent), m_deferredData(new struct D3D12Data()), m_ctx(ctx)
{
CD3DX12_DESCRIPTOR_RANGE cbvRange(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 2, 0);
CD3DX12_DESCRIPTOR_RANGE srvRange(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 8, 0);
CD3DX12_ROOT_PARAMETER rootParms[2];
rootParms[0].InitAsDescriptorTable(1, &cbvRange, D3D12_SHADER_VISIBILITY_VERTEX);
rootParms[1].InitAsDescriptorTable(1, &srvRange, D3D12_SHADER_VISIBILITY_PIXEL);
ComPtr<ID3DBlob> rsOutBlob;
ComPtr<ID3DBlob> rsErrorBlob;
ThrowIfFailed(D3D12SerializeRootSignature(
&CD3DX12_ROOT_SIGNATURE_DESC(2, rootParms, 1, &CD3DX12_STATIC_SAMPLER_DESC(0)),
D3D_ROOT_SIGNATURE_VERSION_1, &rsOutBlob, &rsErrorBlob));
ThrowIfFailed(ctx->m_dev->CreateRootSignature(0, rsOutBlob->GetBufferPointer(),
rsOutBlob->GetBufferSize(), __uuidof(ID3D12RootSignature), &ctx->m_rs));
}
void D3D12DataFactory::reset()
{
delete static_cast<D3D12Data*>(m_deferredData);
m_deferredData = new struct D3D12Data();
}
IGraphicsData* D3D12DataFactory::commit()
{
D3D12Data* retval = static_cast<D3D12Data*>(m_deferredData);
/* Gather resource descriptions */
std::vector<D3D12_RESOURCE_DESC> descs;
descs.reserve(retval->m_SBufs.size() + retval->m_DBufs.size() * 3 +
retval->m_STexs.size() + retval->m_DTexs.size() * 2);
for (std::unique_ptr<D3D12GraphicsBufferS>& buf : retval->m_SBufs)
descs.push_back(buf->m_buf->GetDesc());
for (std::unique_ptr<D3D12GraphicsBufferD>& buf : retval->m_DBufs)
{
descs.push_back(buf->m_bufs[0]->GetDesc());
descs.push_back(buf->m_bufs[1]->GetDesc());
descs.push_back(buf->m_bufs[2]->GetDesc());
}
for (std::unique_ptr<D3D12TextureS>& tex : retval->m_STexs)
descs.push_back(tex->m_tex->GetDesc());
for (std::unique_ptr<D3D12TextureD>& tex : retval->m_DTexs)
{
descs.push_back(tex->m_texs[0]->GetDesc());
descs.push_back(tex->m_texs[1]->GetDesc());
descs.push_back(tex->m_texs[2]->GetDesc());
}
/* Calculate resources allocation */
D3D12_RESOURCE_ALLOCATION_INFO allocInfo =
m_ctx->m_dev->GetResourceAllocationInfo(0, descs.size(), descs.data());
/* Create heap */
ThrowIfFailed(m_ctx->m_dev->CreateHeap(&CD3DX12_HEAP_DESC(allocInfo,
D3D12_HEAP_TYPE_DEFAULT), __uuidof(ID3D12Heap), &retval->m_gpuHeap));
ID3D12Heap* gpuHeap = retval->m_gpuHeap.Get();
/* Place resources */
UINT64 offset = 0;
for (std::unique_ptr<D3D12GraphicsBufferS>& buf : retval->m_SBufs)
offset = PlaceBufferForGPU(buf.get(), m_ctx, gpuHeap, offset);
for (std::unique_ptr<D3D12GraphicsBufferD>& buf : retval->m_DBufs)
offset = PlaceBufferForGPU(buf.get(), m_ctx, gpuHeap, offset);
for (std::unique_ptr<D3D12TextureS>& tex : retval->m_STexs)
offset = PlaceTextureForGPU(tex.get(), m_ctx, gpuHeap, offset);
for (std::unique_ptr<D3D12TextureD>& tex : retval->m_DTexs)
offset = PlaceTextureForGPU(tex.get(), m_ctx, gpuHeap, offset);
/* Commit data bindings (create descriptor heaps) */
for (std::unique_ptr<D3D12ShaderDataBinding>& bind : retval->m_SBinds)
bind->commit(m_ctx);
/* All set! */
m_deferredData = new struct D3D12Data();
m_committedData.insert(retval);
return retval;
}
void D3D12DataFactory::destroyData(IGraphicsData* d)
{
D3D12Data* data = static_cast<D3D12Data*>(d);
m_committedData.erase(data);
delete data;
}
void D3D12DataFactory::destroyAllData()
{
for (IGraphicsData* data : m_committedData)
delete static_cast<D3D12Data*>(data);
m_committedData.clear();
}
struct D3D12CommandQueue : IGraphicsCommandQueue
{
Platform platform() const {return IGraphicsDataFactory::PlatformD3D12;}
const char* platformName() const {return "Direct 3D 12";}
D3D12Context* m_ctx;
IGraphicsContext* m_parent;
ComPtr<ID3D12GraphicsCommandList> m_cmdList;
size_t m_fillBuf = 0;
size_t m_completeBuf = 0;
size_t m_drawBuf = 0;
D3D12CommandQueue(D3D12Context* ctx, IGraphicsContext* parent)
: m_ctx(ctx), m_parent(parent)
{
ThrowIfFailed(ctx->m_dev->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT,
__uuidof(ID3D12CommandAllocator),
&ctx->m_qalloc));
D3D12_COMMAND_QUEUE_DESC desc =
{
D3D12_COMMAND_LIST_TYPE_DIRECT,
D3D12_COMMAND_QUEUE_PRIORITY_HIGH,
D3D12_COMMAND_QUEUE_FLAG_NONE
};
ThrowIfFailed(ctx->m_dev->CreateCommandQueue(&desc, __uuidof(ID3D12CommandQueue), &ctx->m_q));
ThrowIfFailed(ctx->m_dev->CreateFence(0, D3D12_FENCE_FLAG_NONE,
__uuidof(ID3D12Fence), &ctx->m_frameFence));
ThrowIfFailed(ctx->m_dev->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, ctx->m_qalloc.Get(),
nullptr, __uuidof(ID3D12GraphicsCommandList), &m_cmdList));
m_cmdList->SetGraphicsRootSignature(m_ctx->m_rs.Get());
}
void setShaderDataBinding(const IShaderDataBinding* binding)
{
const D3D12ShaderDataBinding* cbind = static_cast<const D3D12ShaderDataBinding*>(binding);
ID3D12DescriptorHeap* descHeap = cbind->m_descHeap[m_fillBuf].Get();
m_cmdList->SetDescriptorHeaps(1, &descHeap);
m_cmdList->SetPipelineState(cbind->m_pipeline->m_state.Get());
}
void setRenderTarget(const ITextureD* target)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpSetRenderTarget);
cmds.back().target = target;
}
void setClearColor(const float rgba[4])
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpSetClearColor);
cmds.back().rgba[0] = rgba[0];
cmds.back().rgba[1] = rgba[1];
cmds.back().rgba[2] = rgba[2];
cmds.back().rgba[3] = rgba[3];
}
void clearTarget(bool render=true, bool depth=true)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpClearTarget);
cmds.back().flags = 0;
if (render)
cmds.back().flags |= GL_COLOR_BUFFER_BIT;
if (depth)
cmds.back().flags |= GL_DEPTH_BUFFER_BIT;
}
void setDrawPrimitive(Primitive prim)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpSetDrawPrimitive);
if (prim == PrimitiveTriangles)
cmds.back().prim = GL_TRIANGLES;
else if (prim == PrimitiveTriStrips)
cmds.back().prim = GL_TRIANGLE_STRIP;
}
void draw(size_t start, size_t count)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDraw);
cmds.back().start = start;
cmds.back().count = count;
}
void drawIndexed(size_t start, size_t count)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDrawIndexed);
cmds.back().start = start;
cmds.back().count = count;
}
void drawInstances(size_t start, size_t count, size_t instCount)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDrawInstances);
cmds.back().start = start;
cmds.back().count = count;
cmds.back().instCount = instCount;
}
void drawInstancesIndexed(size_t start, size_t count, size_t instCount)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDrawInstancesIndexed);
cmds.back().start = start;
cmds.back().count = count;
cmds.back().instCount = instCount;
}
void present()
{
m_cmdList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[m_frameIndex].Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT));
}
void execute()
{
std::unique_lock<std::mutex> lk(m_mt);
m_completeBuf = m_fillBuf;
for (size_t i=0 ; i<3 ; ++i)
{
if (i == m_completeBuf || i == m_drawBuf)
continue;
m_fillBuf = i;
break;
}
lk.unlock();
m_cv.notify_one();
m_cmdBufs[m_fillBuf].clear();
}
};
void D3D12GraphicsBufferD::load(const void* data, size_t sz)
{
glBindBuffer(m_target, m_bufs[m_q->m_fillBuf]);
glBufferData(m_target, sz, data, GL_DYNAMIC_DRAW);
}
void* D3D12GraphicsBufferD::map(size_t sz)
{
if (m_mappedBuf)
free(m_mappedBuf);
m_mappedBuf = malloc(sz);
m_mappedSize = sz;
return m_mappedBuf;
}
void D3D12GraphicsBufferD::unmap()
{
glBindBuffer(m_target, m_bufs[m_q->m_fillBuf]);
glBufferData(m_target, m_mappedSize, m_mappedBuf, GL_DYNAMIC_DRAW);
free(m_mappedBuf);
m_mappedBuf = nullptr;
}
IGraphicsBufferD*
D3D12DataFactory::newDynamicBuffer(BufferUse use, size_t stride, size_t count)
{
D3D12GraphicsBufferD* retval = new D3D12GraphicsBufferD(use, stride, count);
static_cast<D3D12Data*>(m_deferredData)->m_DBufs.emplace_back(retval);
return retval;
}
ITextureD*
D3D12DataFactory::newDynamicTexture(size_t width, size_t height, TextureFormat fmt)
{
D3D12CommandQueue* q = static_cast<D3D12CommandQueue*>(m_parent->getCommandQueue());
D3D12TextureD* retval = new D3D12TextureD(q, width, height, fmt);
static_cast<D3D12Data*>(m_deferredData)->m_DTexs.emplace_back(retval);
return retval;
}
const IVertexFormat* D3D12DataFactory::newVertexFormat
(size_t elementCount, const VertexElementDescriptor* elements)
{
D3D12CommandQueue* q = static_cast<D3D12CommandQueue*>(m_parent->getCommandQueue());
D3D12VertexFormat* retval = new struct D3D12VertexFormat(q, elementCount, elements);
static_cast<D3D12Data*>(m_deferredData)->m_VFmts.emplace_back(retval);
return retval;
}
IGraphicsCommandQueue* _NewD3D12CommandQueue(IGraphicsContext* parent)
{
return new struct D3D12CommandQueue(parent);
}
}
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