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reset images textures on window resize

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This commit is contained in:
otavepto 2024-02-09 21:58:00 +02:00
parent 0af025ea5d
commit 0db011f94b
2 changed files with 185 additions and 87 deletions
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246
overlay_experimental/windows/DX12_Hook.cpp
View File

@ -152,21 +152,34 @@ void DX12_Hook::_ResetRenderState()
Windows_Hook::Inst()->ResetRenderState();
ImGui::DestroyContext();
OverlayFrames.clear();
SafeRelease(pSrvDescHeap);
SafeRelease(pRtvDescHeap);
SafeRelease(pDevice);
_ResetStatesOnly();
_Initialized = false;
}
}
void DX12_Hook::_ResetStatesOnly()
{
// each image texture holds a reference to its CPU and GPU descriptors
// when the state is reset we have to reload everything again
// I don't know a better way to handle this
while (_ImageResources.size()) {
_ImageResources.erase(std::prev(_ImageResources.end()));
}
srvDescHeapBitmap.clear();
OverlayFrames.clear();
SafeRelease(pCmdList);
SafeRelease(pSrvDescHeap);
SafeRelease(pRtvDescHeap);
SafeRelease(pDevice);
}
// https://github.com/ocornut/imgui/blob/06ce312745e0b25bfa8412b324503393964e3812/examples/example_win32_directx12/main.cpp#L237
// Try to make this function and overlay's proc as short as possible or it might affect game's fps.
void DX12_Hook::_PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueue* pCommandQueue)
{
if (pCommandQueue == nullptr)
if (!pCommandQueue || !pSwapChain)
return;
IDXGISwapChain3* pSwapChain3 = nullptr;
@ -183,44 +196,43 @@ void DX12_Hook::_PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueu
// UINT bufferIndex = pSwapChain3->GetCurrentBackBufferIndex();
pDevice = nullptr;
if (pSwapChain3->GetDevice(IID_PPV_ARGS(&pDevice)) != S_OK) {
_ResetStatesOnly();
pSwapChain3->Release();
return;
}
UINT bufferCount = sc_desc.BufferCount;
srvDescHeapBitmap.clear();
// https://github.com/ocornut/imgui/wiki/Image-Loading-and-Displaying-Examples#example-for-directx12-users
constexpr UINT descriptor_count = 1024;
srvDescHeapBitmap.clear();
constexpr const static UINT DESCRIPTOR_COUNT = 1024;
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
// desc.NumDescriptors = 1;
// <-- Set this value to 2 (the first descriptor is used for the built-in font texture, the second for our new texture)
desc.NumDescriptors = descriptor_count * 2;
desc.NumDescriptors = DESCRIPTOR_COUNT * 2;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
pSrvDescHeap = nullptr;
if (pDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&pSrvDescHeap)) != S_OK)
{
pDevice->Release();
_ResetStatesOnly();
pSwapChain3->Release();
return;
}
}
srvDescHeapBitmap.resize(DESCRIPTOR_COUNT, false);
srvDescHeapBitmap.resize(descriptor_count, false);
const UINT bufferCount = sc_desc.BufferCount;
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = bufferCount;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
desc.NodeMask = 1;
pRtvDescHeap = nullptr;
if (pDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&pRtvDescHeap)) != S_OK)
{
pSrvDescHeap->Release();
pDevice->Release();
_ResetStatesOnly();
pSwapChain3->Release();
return;
}
@ -228,45 +240,36 @@ void DX12_Hook::_PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueu
SIZE_T rtvDescriptorSize = pDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = pRtvDescHeap->GetCPUDescriptorHandleForHeapStart();
OverlayFrames.clear();
pCmdList = nullptr;
for (UINT i = 0; i < bufferCount; ++i)
{
ID3D12CommandAllocator* pCmdAlloc = nullptr;
ID3D12Resource* pBackBuffer = nullptr;
if (pDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&pCmdAlloc)) != S_OK || pCmdAlloc == nullptr)
{
OverlayFrames.clear();
pSrvDescHeap->Release();
pRtvDescHeap->Release();
pDevice->Release();
pSwapChain3->Release();
_ResetStatesOnly();
SafeRelease(pSwapChain3);
return;
}
if (i == 0)
{
if (pDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, pCmdAlloc, NULL, IID_PPV_ARGS(&pCmdList)) != S_OK ||
pCmdList == nullptr || pCmdList->Close() != S_OK)
pCmdList == nullptr ||
pCmdList->Close() != S_OK)
{
OverlayFrames.clear();
SafeRelease(pCmdList);
pCmdAlloc->Release();
pSrvDescHeap->Release();
pRtvDescHeap->Release();
pDevice->Release();
_ResetStatesOnly();
pSwapChain3->Release();
return;
}
}
ID3D12Resource* pBackBuffer = nullptr;
if (pSwapChain3->GetBuffer(i, IID_PPV_ARGS(&pBackBuffer)) != S_OK || pBackBuffer == nullptr)
{
OverlayFrames.clear();
pCmdList->Release();
pCmdAlloc->Release();
pSrvDescHeap->Release();
pRtvDescHeap->Release();
pDevice->Release();
_ResetStatesOnly();
pSwapChain3->Release();
return;
}
@ -280,7 +283,9 @@ void DX12_Hook::_PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueu
// auto heaps = std::move(get_free_texture_heap());
ImGui::CreateContext((ImFontAtlas *)ImGuiFontAtlas);
if(ImGui::GetCurrentContext() == nullptr)
ImGui::CreateContext((ImFontAtlas *)ImGuiFontAtlas);
ImGui_ImplDX12_Init(pDevice, bufferCount, DXGI_FORMAT_R8G8B8A8_UNORM, pSrvDescHeap,
pSrvDescHeap->GetCPUDescriptorHandleForHeapStart(),
pSrvDescHeap->GetGPUDescriptorHandleForHeapStart());
@ -299,7 +304,11 @@ void DX12_Hook::_PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueu
OverlayProc();
UINT bufferIndex = pSwapChain3->GetCurrentBackBufferIndex();
ImGui::Render();
const UINT bufferIndex = pSwapChain3->GetCurrentBackBufferIndex();
OverlayFrames[bufferIndex].pCmdAlloc->Reset();
D3D12_RESOURCE_BARRIER barrier = {};
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
@ -308,14 +317,12 @@ void DX12_Hook::_PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueu
barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET;
OverlayFrames[bufferIndex].pCmdAlloc->Reset();
pCmdList->Reset(OverlayFrames[bufferIndex].pCmdAlloc, NULL);
pCmdList->ResourceBarrier(1, &barrier);
pCmdList->OMSetRenderTargets(1, &OverlayFrames[bufferIndex].RenderTarget, FALSE, NULL);
pCmdList->SetDescriptorHeaps(1, &pSrvDescHeap);
ImGui::Render();
ImGui_ImplDX12_RenderDrawData(ImGui::GetDrawData(), pCmdList);
barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
@ -324,6 +331,7 @@ void DX12_Hook::_PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueu
pCmdList->Close();
pCommandQueue->ExecuteCommandLists(1, (ID3D12CommandList* const*)&pCmdList);
}
pSwapChain3->Release();
@ -404,10 +412,7 @@ DX12_Hook::~DX12_Hook()
if (_Initialized)
{
OverlayFrames.clear();
pSrvDescHeap->Release();
pRtvDescHeap->Release();
_ResetStatesOnly();
ImGui_ImplDX12_InvalidateDeviceObjects();
ImGui::DestroyContext();
@ -450,24 +455,20 @@ void DX12_Hook::LoadFunctions(
// source: https://github.com/ocornut/imgui/wiki/Image-Loading-and-Displaying-Examples#example-for-directx12-users
std::weak_ptr<uint64_t> DX12_Hook::CreateImageResource(const void* image_data, uint32_t width, uint32_t height)
{
// return std::shared_ptr<uint64_t>();
heap_t heap = get_free_texture_heap();
if (heap.id == -1) return {};
if (heap.id == -1)
return {};
/////////////////////////
D3D12_HEAP_PROPERTIES props{};
memset(&props, 0, sizeof(D3D12_HEAP_PROPERTIES));
D3D12_HEAP_PROPERTIES props;
SecureZeroMemory(&props, sizeof(props));
props.Type = D3D12_HEAP_TYPE_DEFAULT;
props.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
props.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
D3D12_RESOURCE_DESC desc{};
D3D12_RESOURCE_DESC desc;
SecureZeroMemory(&desc, sizeof(desc));
desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
desc.Alignment = 0;
desc.Width = static_cast<UINT>(width);
desc.Width = static_cast<UINT64>(width);
desc.Height = static_cast<UINT>(height);
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
@ -478,8 +479,12 @@ std::weak_ptr<uint64_t> DX12_Hook::CreateImageResource(const void* image_data, u
desc.Flags = D3D12_RESOURCE_FLAG_NONE;
ID3D12Resource* pTexture = NULL;
pDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc,
HRESULT hr = pDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc,
D3D12_RESOURCE_STATE_COPY_DEST, NULL, IID_PPV_ARGS(&pTexture));
if (!SUCCEEDED(hr)) {
release_texture_heap(heap.id);
return {};
}
UINT uploadPitch = (width * 4 + D3D12_TEXTURE_DATA_PITCH_ALIGNMENT - 1u) & ~(D3D12_TEXTURE_DATA_PITCH_ALIGNMENT - 1u);
UINT uploadSize = height * uploadPitch;
@ -500,16 +505,31 @@ std::weak_ptr<uint64_t> DX12_Hook::CreateImageResource(const void* image_data, u
props.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
ID3D12Resource* uploadBuffer = NULL;
HRESULT hr = pDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc,
hr = pDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc,
D3D12_RESOURCE_STATE_GENERIC_READ, NULL, IID_PPV_ARGS(&uploadBuffer));
IM_ASSERT(SUCCEEDED(hr));
if (!SUCCEEDED(hr)) {
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
void* mapped = NULL;
D3D12_RANGE range = { 0, uploadSize };
hr = uploadBuffer->Map(0, &range, &mapped);
IM_ASSERT(SUCCEEDED(hr));
for (int y = 0; y < height; y++)
memcpy((void*)((uintptr_t)mapped + y * uploadPitch), reinterpret_cast<const uint8_t*>(image_data) + y * width * 4, width * 4);
if (!SUCCEEDED(hr)) {
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
for (int y = 0; y < height; y++) {
memcpy(
(void*)((uintptr_t)mapped + y * uploadPitch),
reinterpret_cast<const uint8_t*>(image_data) + y * width * 4,
width * 4
);
}
uploadBuffer->Unmap(0, &range);
D3D12_TEXTURE_COPY_LOCATION srcLocation = {};
@ -536,10 +556,13 @@ std::weak_ptr<uint64_t> DX12_Hook::CreateImageResource(const void* image_data, u
ID3D12Fence* fence = NULL;
hr = pDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&fence));
IM_ASSERT(SUCCEEDED(hr));
HANDLE event = CreateEvent(0, 0, 0, 0);
IM_ASSERT(event != NULL);
if (!SUCCEEDED(hr)) {
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
@ -548,33 +571,107 @@ std::weak_ptr<uint64_t> DX12_Hook::CreateImageResource(const void* image_data, u
ID3D12CommandQueue* cmdQueue = NULL;
hr = pDevice->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&cmdQueue));
IM_ASSERT(SUCCEEDED(hr));
if (!SUCCEEDED(hr)) {
fence->Release();
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
ID3D12CommandAllocator* cmdAlloc = NULL;
hr = pDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&cmdAlloc));
IM_ASSERT(SUCCEEDED(hr));
if (!SUCCEEDED(hr)) {
cmdQueue->Release();
fence->Release();
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
ID3D12GraphicsCommandList* cmdList = NULL;
hr = pDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, cmdAlloc, NULL, IID_PPV_ARGS(&cmdList));
IM_ASSERT(SUCCEEDED(hr));
if (!SUCCEEDED(hr)) {
cmdAlloc->Release();
cmdQueue->Release();
fence->Release();
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
HANDLE event = CreateEventW(0, 0, 0, 0);
if (!event) {
cmdList->Release();
cmdAlloc->Release();
cmdQueue->Release();
fence->Release();
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
cmdList->CopyTextureRegion(&dstLocation, 0, 0, 0, &srcLocation, NULL);
cmdList->ResourceBarrier(1, &barrier);
hr = cmdList->Close();
IM_ASSERT(SUCCEEDED(hr));
if (!SUCCEEDED(hr)) {
CloseHandle(event);
cmdList->Release();
cmdAlloc->Release();
cmdQueue->Release();
fence->Release();
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
cmdQueue->ExecuteCommandLists(1, (ID3D12CommandList* const*)&cmdList);
hr = cmdQueue->Signal(fence, 1);
IM_ASSERT(SUCCEEDED(hr));
if (!SUCCEEDED(hr)) {
CloseHandle(event);
cmdList->Close();
cmdList->Release();
cmdAlloc->Release();
cmdQueue->Release();
fence->Release();
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
hr = fence->SetEventOnCompletion(1, event);
if (!SUCCEEDED(hr)) {
CloseHandle(event);
cmdList->Close();
cmdList->Release();
cmdAlloc->Release();
cmdQueue->Release();
fence->Release();
uploadBuffer->Unmap(0, &range);
uploadBuffer->Release();
pTexture->Release();
release_texture_heap(heap.id);
return {};
}
fence->SetEventOnCompletion(1, event);
WaitForSingleObject(event, INFINITE);
CloseHandle(event);
cmdList->Release();
cmdAlloc->Release();
cmdQueue->Release();
CloseHandle(event);
fence->Release();
uploadBuffer->Release();
@ -589,15 +686,6 @@ std::weak_ptr<uint64_t> DX12_Hook::CreateImageResource(const void* image_data, u
pDevice->CreateShaderResourceView(pTexture, &srvDesc, heap.cpu_handle);
// pTexture->Release();
using gpu_heap_t = decltype(D3D12_GPU_DESCRIPTOR_HANDLE::ptr);
struct texture_t{
gpu_heap_t gpu_handle; // This must be the first member, ImGui will use the content of the pointer as a D3D12_GPU_DESCRIPTOR_HANDLE::ptr
ID3D12Resource* pTexture;
int64_t heap_id;
};
texture_t* texture_data = new texture_t;
texture_data->gpu_handle = heap.gpu_handle.ptr;
texture_data->pTexture = pTexture;

24
overlay_experimental/windows/DX12_Hook.h
View File

@ -35,6 +35,14 @@ private:
static DX12_Hook* _inst;
std::set<std::shared_ptr<uint64_t>> _ImageResources;
struct texture_t{
using gpu_heap_t = decltype(D3D12_GPU_DESCRIPTOR_HANDLE::ptr);
gpu_heap_t gpu_handle; // This must be the first member, ImGui will use the content of the pointer as a D3D12_GPU_DESCRIPTOR_HANDLE::ptr
ID3D12Resource* pTexture;
int64_t heap_id;
};
struct DX12Frame_t
{
D3D12_CPU_DESCRIPTOR_HANDLE RenderTarget = {};
@ -47,6 +55,7 @@ private:
pBackBuffer = nullptr;
}
DX12Frame_t() {}
DX12Frame_t(DX12Frame_t const&) = delete;
DX12Frame_t& operator=(DX12Frame_t const&) = delete;
@ -78,6 +87,13 @@ private:
}
};
struct heap_t
{
D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle;
D3D12_CPU_DESCRIPTOR_HANDLE cpu_handle;
int64_t id;
};
// Variables
bool _Hooked;
bool _WindowsHooked;
@ -95,19 +111,13 @@ private:
// Functions
DX12_Hook();
struct heap_t
{
D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle;
D3D12_CPU_DESCRIPTOR_HANDLE cpu_handle;
int64_t id;
};
heap_t get_free_texture_heap();
bool release_texture_heap(int64_t heap_id);
ID3D12CommandQueue* _FindCommandQueueFromSwapChain(IDXGISwapChain* pSwapChain);
void _ResetRenderState();
void _ResetStatesOnly();
void _PrepareForOverlay(IDXGISwapChain* pSwapChain, ID3D12CommandQueue* pCommandQueue);
// Hook to render functions