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// resource-d3d12.cpp
#include "resource-d3d12.h"
namespace renderer_test {
using namespace Slang;
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! D3D12BarrierSubmitter !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
void D3D12BarrierSubmitter::_flush()
{
assert(m_numBarriers > 0);
if (m_commandList)
{
m_commandList->ResourceBarrier(UINT(m_numBarriers), m_barriers);
}
m_numBarriers = 0;
}
D3D12_RESOURCE_BARRIER& D3D12BarrierSubmitter::_expandOne()
{
_flush();
return m_barriers[m_numBarriers++];
}
void D3D12BarrierSubmitter::transition(ID3D12Resource* resource, D3D12_RESOURCE_STATES prevState, D3D12_RESOURCE_STATES nextState)
{
if (nextState != prevState)
{
D3D12_RESOURCE_BARRIER& barrier = expandOne();
const UINT subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
const D3D12_RESOURCE_BARRIER_FLAGS flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
::memset(&barrier, 0, sizeof(barrier));
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
barrier.Flags = flags;
barrier.Transition.pResource = resource;
barrier.Transition.StateBefore = prevState;
barrier.Transition.StateAfter = nextState;
barrier.Transition.Subresource = subresource;
}
else
{
if (nextState == D3D12_RESOURCE_STATE_UNORDERED_ACCESS)
{
D3D12_RESOURCE_BARRIER& barrier = expandOne();
::memset(&barrier, 0, sizeof(barrier));
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_UAV;
barrier.UAV.pResource = resource;
}
}
}
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! D3D12ResourceBase !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
/* static */DXGI_FORMAT D3D12ResourceBase::calcFormat(D3DUtil::UsageType usage, ID3D12Resource* resource)
{
return resource ? D3DUtil::calcFormat(usage, resource->GetDesc().Format) : DXGI_FORMAT_UNKNOWN;
}
void D3D12ResourceBase::transition(D3D12_RESOURCE_STATES nextState, D3D12BarrierSubmitter& submitter)
{
// Transition only if there is a resource
if (m_resource)
{
submitter.transition(m_resource, m_state, nextState);
m_state = nextState;
}
}
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! D3D12CounterFence !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
D3D12CounterFence::~D3D12CounterFence()
{
if (m_event)
{
CloseHandle(m_event);
}
}
Result D3D12CounterFence::init(ID3D12Device* device, uint64_t initialValue)
{
m_currentValue = initialValue;
SLANG_RETURN_ON_FAIL(device->CreateFence(m_currentValue, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(m_fence.writeRef())));
// Create an event handle to use for frame synchronization.
m_event = ::CreateEvent(nullptr, FALSE, FALSE, nullptr);
if (m_event == nullptr)
{
Result res = HRESULT_FROM_WIN32(GetLastError());
return SLANG_FAILED(res) ? res : SLANG_FAIL;
}
return SLANG_OK;
}
UInt64 D3D12CounterFence::nextSignal(ID3D12CommandQueue* commandQueue)
{
// Increment the fence value. Save on the frame - we'll know that frame is done when the fence value >=
m_currentValue++;
// Schedule a Signal command in the queue.
Result res = commandQueue->Signal(m_fence, m_currentValue);
if (SLANG_FAILED(res))
{
assert(!"Signal failed");
}
return m_currentValue;
}
void D3D12CounterFence::waitUntilCompleted(uint64_t completedValue)
{
// You can only wait for a value that is less than or equal to the current value
assert(completedValue <= m_currentValue);
// Wait until the previous frame is finished.
while (m_fence->GetCompletedValue() < completedValue)
{
// Make it signal with the current value
SLANG_ASSERT_VOID_ON_FAIL(m_fence->SetEventOnCompletion(completedValue, m_event));
WaitForSingleObject(m_event, INFINITE);
}
}
void D3D12CounterFence::nextSignalAndWait(ID3D12CommandQueue* commandQueue)
{
waitUntilCompleted(nextSignal(commandQueue));
}
/* !!!!!!!!!!!!!!!!!!!!!!!!! D3D12Resource !!!!!!!!!!!!!!!!!!!!!!!! */
/* static */void D3D12Resource::setDebugName(ID3D12Resource* resource, const char* name)
{
if (resource)
{
size_t len = ::strlen(name);
List<wchar_t> buf;
buf.SetSize(len + 1);
D3DUtil::appendWideChars(name, buf);
resource->SetName(buf.begin());
}
}
void D3D12Resource::setDebugName(const char* name)
{
setDebugName(m_resource, name);
}
void D3D12Resource::setDebugName(const wchar_t* name)
{
if (m_resource)
{
m_resource->SetName(name);
}
}
void D3D12Resource::setResource(ID3D12Resource* resource, D3D12_RESOURCE_STATES initialState)
{
if (resource != m_resource)
{
if (resource)
{
resource->AddRef();
}
if (m_resource)
{
m_resource->Release();
}
m_resource = resource;
}
m_prevState = initialState;
m_state = initialState;
}
void D3D12Resource::setResourceNull()
{
if (m_resource)
{
m_resource->Release();
m_resource = nullptr;
}
}
Result D3D12Resource::initCommitted(ID3D12Device* device, const D3D12_HEAP_PROPERTIES& heapProps, D3D12_HEAP_FLAGS heapFlags, const D3D12_RESOURCE_DESC& resourceDesc, D3D12_RESOURCE_STATES initState, const D3D12_CLEAR_VALUE * clearValue)
{
setResourceNull();
ComPtr<ID3D12Resource> resource;
SLANG_RETURN_ON_FAIL(device->CreateCommittedResource(&heapProps, heapFlags, &resourceDesc, initState, clearValue, IID_PPV_ARGS(resource.writeRef())));
setResource(resource, initState);
return SLANG_OK;
}
ID3D12Resource* D3D12Resource::detach()
{
ID3D12Resource* resource = m_resource;
m_resource = nullptr;
return resource;
}
void D3D12Resource::swap(ComPtr<ID3D12Resource>& resourceInOut)
{
ID3D12Resource* tmp = m_resource;
m_resource = resourceInOut.detach();
resourceInOut.attach(tmp);
}
void D3D12Resource::setState(D3D12_RESOURCE_STATES state)
{
m_prevState = state;
m_state = state;
}
} // renderer_test
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