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Update SwapChain to configure texture usage

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Explicitly configure swap chain usage in bindings and examples

Fix missing case in switch

Make swap chain Present usage implicit

Author: Austin Eng <enga@google.com>
This commit is contained in:
Kai Ninomiya
2017-08-29 13:35:05 -07:00
committed by Kai Ninomiya
parent 08a0081c13
commit ee7b6b1b62
22 changed files with 96 additions and 26 deletions
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64
src/utils/D3D12Binding.cpp
View File

@@ -77,6 +77,41 @@ namespace utils {
return factory;
}
DXGI_USAGE D3D12SwapChainBufferUsage(nxtTextureUsageBit allowedUsages) {
DXGI_USAGE usage = DXGI_CPU_ACCESS_NONE;
if (allowedUsages & NXT_TEXTURE_USAGE_BIT_SAMPLED) {
usage |= DXGI_USAGE_SHADER_INPUT;
}
if (allowedUsages & NXT_TEXTURE_USAGE_BIT_STORAGE) {
usage |= DXGI_USAGE_UNORDERED_ACCESS;
}
if (allowedUsages & NXT_TEXTURE_USAGE_BIT_OUTPUT_ATTACHMENT) {
usage |= DXGI_USAGE_RENDER_TARGET_OUTPUT;
}
return usage;
}
D3D12_RESOURCE_STATES D3D12ResourceState(nxtTextureUsageBit usage) {
D3D12_RESOURCE_STATES resourceState = D3D12_RESOURCE_STATE_COMMON;
if (usage & NXT_TEXTURE_USAGE_BIT_TRANSFER_SRC) {
resourceState |= D3D12_RESOURCE_STATE_COPY_SOURCE;
}
if (usage & NXT_TEXTURE_USAGE_BIT_TRANSFER_DST) {
resourceState |= D3D12_RESOURCE_STATE_COPY_DEST;
}
if (usage & NXT_TEXTURE_USAGE_BIT_SAMPLED) {
resourceState |= (D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE | D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE);
}
if (usage & NXT_TEXTURE_USAGE_BIT_STORAGE) {
resourceState |= D3D12_RESOURCE_STATE_UNORDERED_ACCESS;
}
if (usage & NXT_TEXTURE_USAGE_BIT_OUTPUT_ATTACHMENT) {
resourceState |= D3D12_RESOURCE_STATE_RENDER_TARGET;
}
return resourceState;
}
}
class SwapChainImplD3D12 : SwapChainImpl {
@@ -104,6 +139,8 @@ namespace utils {
uint32_t previousRenderTargetIndex = 0;
uint64_t lastSerialRenderTargetWasUsed[kFrameCount] = {};
D3D12_RESOURCE_STATES renderTargetResourceState;
SwapChainImplD3D12(HWND window, nxtProcTable procs)
: window(window), procs(procs), factory(CreateFactory()) {
}
@@ -119,7 +156,7 @@ namespace utils {
commandQueue = backend::d3d12::GetCommandQueue(backendDevice);
}
nxtSwapChainError Configure(nxtTextureFormat format,
nxtSwapChainError Configure(nxtTextureFormat format, nxtTextureUsageBit allowedUsage, nxtTextureUsageBit initialUsage,
uint32_t width, uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";
@@ -131,7 +168,7 @@ namespace utils {
swapChainDesc.Width = width;
swapChainDesc.Height = height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.BufferUsage = D3D12SwapChainBufferUsage(allowedUsage);
swapChainDesc.BufferCount = kFrameCount;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
@@ -162,6 +199,25 @@ namespace utils {
lastSerialRenderTargetWasUsed[n] = initialSerial;
}
renderTargetResourceState = D3D12ResourceState(initialUsage);
// Transition the first frame. Resources are initially created in PRESENT state
if (renderTargetResourceState != D3D12_RESOURCE_STATE_PRESENT) {
ComPtr<ID3D12GraphicsCommandList> commandList = {};
backend::d3d12::OpenCommandList(backendDevice, &commandList);
D3D12_RESOURCE_BARRIER resourceBarrier;
resourceBarrier.Transition.pResource = renderTargetResources[renderTargetIndex].Get();
resourceBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
resourceBarrier.Transition.StateAfter = renderTargetResourceState;
resourceBarrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
resourceBarrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
resourceBarrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
commandList->ResourceBarrier(1, &resourceBarrier);
ASSERT_SUCCESS(commandList->Close());
backend::d3d12::ExecuteCommandLists(backendDevice, { commandList.Get() });
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
@@ -178,14 +234,14 @@ namespace utils {
ASSERT_SUCCESS(swapChain->Present(1, 0));
// Transition last frame's render target back to being a render target
{
if (renderTargetResourceState != D3D12_RESOURCE_STATE_PRESENT) {
ComPtr<ID3D12GraphicsCommandList> commandList = {};
backend::d3d12::OpenCommandList(backendDevice, &commandList);
D3D12_RESOURCE_BARRIER resourceBarrier;
resourceBarrier.Transition.pResource = renderTargetResources[previousRenderTargetIndex].Get();
resourceBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
resourceBarrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET;
resourceBarrier.Transition.StateAfter = renderTargetResourceState;
resourceBarrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
resourceBarrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
resourceBarrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;

2
src/utils/MetalBinding.mm
View File

@@ -68,7 +68,7 @@ namespace utils {
commandQueue = [mtlDevice newCommandQueue];
}
nxtSwapChainError Configure(nxtTextureFormat format,
nxtSwapChainError Configure(nxtTextureFormat format, nxtTextureUsageBit, nxtTextureUsageBit,
uint32_t width, uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";

2
src/utils/OpenGLBinding.cpp
View File

@@ -69,7 +69,7 @@ namespace utils {
GL_TEXTURE_2D, backTexture, 0);
}
nxtSwapChainError Configure(nxtTextureFormat format,
nxtSwapChainError Configure(nxtTextureFormat format, nxtTextureUsageBit, nxtTextureUsageBit,
uint32_t width, uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";

4
src/utils/SwapChainImpl.h
View File

@@ -28,9 +28,9 @@ namespace utils {
impl.Destroy = [](void* userData) {
delete reinterpret_cast<TImpl*>(userData);
};
impl.Configure = [](void* userData, nxtTextureFormat format, uint32_t width, uint32_t height) {
impl.Configure = [](void* userData, nxtTextureFormat format, nxtTextureUsageBit allowedUsage, nxtTextureUsageBit initialUsage, uint32_t width, uint32_t height) {
return reinterpret_cast<TImpl*>(userData)->Configure(
format, width, height);
format, allowedUsage, initialUsage, width, height);
};
impl.GetNextTexture = [](void* userData, nxtSwapChainNextTexture* nextTexture) {
return reinterpret_cast<TImpl*>(userData)->GetNextTexture(