private void CreateSwapChain1(HWND hWnd, WindowData data)
{
var desc = new DXGI_SWAP_CHAIN_DESC
{
BufferDesc =
{
Width = (uint)data.Reg.FramebufferSize.X,
Height = (uint)data.Reg.FramebufferSize.Y,
Format = Clyde._hasGLSrgb ? DXGI_FORMAT_R8G8B8A8_UNORM_SRGB : DXGI_FORMAT_R8G8B8A8_UNORM
},
SampleDesc =
{
Count = 1
},
OutputWindow = hWnd,
BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_SHADER_INPUT,
BufferCount = 2,
SwapEffect = DXGI_SWAP_EFFECT_DISCARD,
Windowed = 1
};
fixed(IDXGISwapChain **swapPtr = &data.SwapChain)
{
ThrowIfFailed("CreateSwapChain", _factory->CreateSwapChain(
(IUnknown *)_device,
&desc,
swapPtr
));
}
SetupBackbuffer(data);
}
protected override void CreateWindowSizeDependentResources()
{
if (_swapChain != null)
{
ThrowIfFailed(_swapChain->ResizeBuffers(FrameCount, (uint)Size.Width, (uint)Size.Height, BackBufferFormat, 0));
}
else
{
_swapChain = CreateSwapChain();
}
CreateResourceViews();
_viewport = new D3D11_VIEWPORT {
TopLeftX = 0,
TopLeftY = 0,
Width = Size.Width,
Height = Size.Height,
MinDepth = D3D11_MIN_DEPTH,
MaxDepth = D3D11_MAX_DEPTH
};
_scissorRect = new RECT {
left = 0,
top = 0,
right = Size.Width,
bottom = Size.Height
};
IDXGISwapChain *CreateSwapChain()
{
var swapChainDesc = new DXGI_SWAP_CHAIN_DESC {
BufferDesc = new DXGI_MODE_DESC {
Width = (uint)Size.Width,
Height = (uint)Size.Height,
Format = BackBufferFormat,
},
SampleDesc = new DXGI_SAMPLE_DESC {
Count = 1
},
BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
BufferCount = FrameCount,
OutputWindow = Hwnd,
Windowed = TRUE,
SwapEffect = DXGI_SWAP_EFFECT_DISCARD,
};
IDXGISwapChain *swapChain;
ThrowIfFailed(DxgiFactory->CreateSwapChain((IUnknown *)D3DDevice, &swapChainDesc, &swapChain));
return(swapChain);
}
}
void EnsureDevice(IntPtr hWnd)
{
if (m_pDevice != null)
{
return;
}
Span <D3D_FEATURE_LEVEL> levels = stackalloc D3D_FEATURE_LEVEL[]
{
D3D_FEATURE_LEVEL._11_1,
D3D_FEATURE_LEVEL._11_0,
D3D_FEATURE_LEVEL._10_1,
D3D_FEATURE_LEVEL._10_0,
D3D_FEATURE_LEVEL._9_3,
D3D_FEATURE_LEVEL._9_2,
D3D_FEATURE_LEVEL._9_1
};
var level = default(D3D_FEATURE_LEVEL);
var desc = new DXGI_SWAP_CHAIN_DESC
{
BufferDesc = new DXGI_MODE_DESC
{
Width = 0,
Height = 0,
RefreshRate = new DXGI_RATIONAL
{
Numerator = 60,
Denominator = 1,
},
Format = DXGI_FORMAT._R8G8B8A8_UNORM_SRGB,
},
SampleDesc = new DXGI_SAMPLE_DESC
{
Count = 1,
Quality = 0,
},
BufferUsage = DXGI_USAGE._RENDER_TARGET_OUTPUT,
BufferCount = 1,
Windowed = 1,
OutputWindow = hWnd,
};
var hr = d3d11.D3D11CreateDeviceAndSwapChain(
null,
D3D_DRIVER_TYPE._HARDWARE,
static void Main()
{
ReferenceTracker.TrackReferences = true;
Form form = new Form();
IDXGIFactory factory = DXGI.CreateFactory();
IDXGIAdapter adapter = null;
factory.EnumAdapters(0, out adapter);
DXGI_SWAP_CHAIN_DESC swapChainDescription = new DXGI_SWAP_CHAIN_DESC
{
BufferCount = 1,
BufferDesc = new DXGI_MODE_DESC
{
Format = DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM,
Height = form.ClientSize.Height,
RefreshRate = new DXGI_RATIONAL
{
Denominator = 1,
Numerator = 60
},
Scaling = DXGI_MODE_SCALING.DXGI_MODE_SCALING_UNSPECIFIED,
ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER.DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED,
Width = form.ClientSize.Width
},
BufferUsage = (int)DXGI_USAGE.DXGI_USAGE_RENDER_TARGET_OUTPUT,
Flags = 0,
OutputWindow = form.Handle,
SampleDesc = new DXGI_SAMPLE_DESC
{
Count = 1,
Quality = 0
},
SwapEffect = DXGI_SWAP_EFFECT.DXGI_SWAP_EFFECT_DISCARD,
Windowed = true
};
ID3D11Device device = SlimDX.Direct3D11.Direct3D11.CreateDevice(adapter);
IDXGISwapChain swapChain = null;
factory.CreateSwapChain(device, swapChainDescription, out swapChain);
ID3D11Texture2D backbuffer = swapChain.GetBuffer<ID3D11Texture2D>(0);
ID3D11RenderTargetView view = null;
device.CreateRenderTargetView(backbuffer, null, out view);
ID3DBlob vertexShaderBytecode = ShaderCompiler.CompileFromString(File.ReadAllText("MiniTri11.fx"), "MiniTri11.fx", "VS", "vs_4_0");
ID3DBlob pixelShaderBytecode = ShaderCompiler.CompileFromString(File.ReadAllText("MiniTri11.fx"), "MiniTri11.fx", "PS", "ps_4_0");
D3D11_INPUT_ELEMENT_DESC[] inputElements = new[] {
new D3D11_INPUT_ELEMENT_DESC { SemanticName = "POSITION", AlignedByteOffset = 0, SemanticIndex = 0, Format = DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT, InstanceDataStepRate = 0, InputSlot = 0, InputSlotClass = D3D11_INPUT_CLASSIFICATION.D3D11_INPUT_PER_VERTEX_DATA },
new D3D11_INPUT_ELEMENT_DESC { SemanticName = "COLOR", AlignedByteOffset = 16, SemanticIndex = 0, Format = DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT, InstanceDataStepRate = 0, InputSlot = 0, InputSlotClass = D3D11_INPUT_CLASSIFICATION.D3D11_INPUT_PER_VERTEX_DATA }
};
ID3DBlob inputSignature;
ShaderCompiler.D3DGetInputSignatureBlob(vertexShaderBytecode.GetBufferPointer(), vertexShaderBytecode.GetBufferSize(), out inputSignature);
ID3D11InputLayout inputLayout;
device.CreateInputLayout(inputElements, inputElements.Length, inputSignature.GetBufferPointer(), inputSignature.GetBufferSize(), out inputLayout);
ByteBuffer vertexData = new ByteBuffer(3 * 32);
vertexData.Write(0 * Vector4.SizeInBytes, new Vector4(0.0f, 0.5f, 0.5f, 1.0f));
vertexData.Write(1 * Vector4.SizeInBytes, new Vector4(1.0f, 0.0f, 0.0f, 1.0f));
vertexData.Write(2 * Vector4.SizeInBytes, new Vector4(0.5f, -0.5f, 0.5f, 1.0f));
vertexData.Write(3 * Vector4.SizeInBytes, new Vector4(0.0f, 1.0f, 0.0f, 1.0f));
vertexData.Write(4 * Vector4.SizeInBytes, new Vector4(-0.5f, -0.5f, 0.5f, 1.0f));
vertexData.Write(5 * Vector4.SizeInBytes, new Vector4(0.0f, 0.0f, 1.0f, 1.0f));
D3D11_BUFFER_DESC vertexBufferDescription = new D3D11_BUFFER_DESC
{
BindFlags = 1,//vertex buffer
ByteWidth = 3 * 32,
CPUAccessFlags = 0,
MiscFlags = 0,
Usage = D3D11_USAGE.D3D11_USAGE_DEFAULT,
StructureByteStride = 0
};
ID3D11Buffer vertexBuffer;
D3D11_SUBRESOURCE_DATA srd = new D3D11_SUBRESOURCE_DATA
{
pSysMem = vertexData.Pin(),
SysMemPitch = 0,
SysMemSlicePitch = 0
};
device.CreateBuffer(vertexBufferDescription, srd, out vertexBuffer);
vertexData.Unpin();
RenderLoop loop = new RenderLoop();
ID3D11DeviceContext context = null;
device.GetImmediateContext(out context);
ID3D11VertexShader vertexShader;
ID3D11PixelShader pixelShader;
device.CreateVertexShader(vertexShaderBytecode.GetBufferPointer(), vertexShaderBytecode.GetBufferSize(), null, out vertexShader);
device.CreatePixelShader(pixelShaderBytecode.GetBufferPointer(), pixelShaderBytecode.GetBufferSize(), null, out pixelShader);
context.IASetInputLayout(inputLayout);
context.VSSetShader(vertexShader, null, 0);
context.PSSetShader(pixelShader, null, 0);
context.IASetPrimitiveTopology(4);//triangle list
context.IASetVertexBuffers(0, 1, new ID3D11Buffer[] { vertexBuffer }, new int[] { 32 }, new int[] { 0 });
context.OMSetRenderTargets( 1, new ID3D11RenderTargetView[] { view }, IntPtr.Zero);
D3D11_VIEWPORT vp = new D3D11_VIEWPORT {
Height = form.ClientSize.Height,
Width = form.ClientSize.Width,
TopLeftX = 0,
TopLeftY = 0,
MinDepth = 0.0f,
MaxDepth = 1.0f
};
context.RSSetViewports( 1, new D3D11_VIEWPORT [] { vp });
loop.Run(form, () =>
{
var clearColor = new SlimDX.Color4 { R = 0.0f, G = 0.0f, B = 0.0f, A = 1.0f };
context.ClearRenderTargetView(view, clearColor);
context.Draw(3, 0);
swapChain.Present(0, 0);
});
view.ReleaseReference();
backbuffer.ReleaseReference();
swapChain.ReleaseReference();
device.ReleaseReference();
adapter.ReleaseReference();
factory.ReleaseReference();
}
public override void OnInit()
{
Guid iid;
IDXGIFactory1 * factory = null;
IDXGIAdapter * adapter = null;
ID3D11Texture2D *backBuffer = null;
try
{
iid = IID_IDXGIFactory1;
ThrowIfFailed(nameof(CreateDXGIFactory1), CreateDXGIFactory1(&iid, (void **)&factory));
if (UseWarpDevice)
{
throw new NotImplementedException("WARP Device not supported for D3D11.");
}
else
{
adapter = GetHardwareAdapter(factory);
}
fixed(ID3D11Device **device = &_device)
fixed(ID3D11DeviceContext **immediateContext = &_immediateContext)
{
var featureLevel = D3D_FEATURE_LEVEL_11_0;
ThrowIfFailed(nameof(D3D11CreateDevice), D3D11CreateDevice(adapter, D3D_DRIVER_TYPE_HARDWARE, Software: IntPtr.Zero, Flags: 0, &featureLevel, FeatureLevels: 1, D3D11_SDK_VERSION, device, pFeatureLevel: null, immediateContext));
}
// Describe and create the swap chain.
var swapChainDesc = new DXGI_SWAP_CHAIN_DESC {
BufferDesc = new DXGI_MODE_DESC {
Width = Width,
Height = Height,
Format = DXGI_FORMAT_R8G8B8A8_UNORM,
},
SampleDesc = new DXGI_SAMPLE_DESC {
Count = 1
},
BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
BufferCount = FrameCount,
OutputWindow = Win32Application.Hwnd,
Windowed = TRUE,
SwapEffect = DXGI_SWAP_EFFECT_DISCARD,
};
fixed(IDXGISwapChain **swapChain = &_swapChain)
{
ThrowIfFailed(nameof(IDXGIFactory1.CreateSwapChain), factory->CreateSwapChain(
(IUnknown *)_device,
&swapChainDesc,
swapChain
));
}
// This sample does not support fullscreen transitions.
ThrowIfFailed(nameof(IDXGIFactory.MakeWindowAssociation), factory->MakeWindowAssociation(Win32Application.Hwnd, DXGI_MWA_NO_ALT_ENTER));
fixed(ID3D11RenderTargetView **renderTarget = &_renderTarget)
{
iid = IID_ID3D11Texture2D;
ThrowIfFailed(nameof(IDXGISwapChain.GetBuffer), _swapChain->GetBuffer(0, &iid, (void **)&backBuffer));
ThrowIfFailed(nameof(ID3D11Device.CreateRenderTargetView), _device->CreateRenderTargetView((ID3D11Resource *)backBuffer, null, renderTarget));
_immediateContext->OMSetRenderTargets(1, renderTarget, pDepthStencilView: null);
}
var vp = new D3D11_VIEWPORT {
Width = Width,
Height = Height,
MinDepth = 0.0f,
MaxDepth = 1.0f,
TopLeftX = 0,
TopLeftY = 0,
};
_immediateContext->RSSetViewports(1, &vp);
}
finally
{
if (backBuffer != null)
{
_ = backBuffer->Release();
}
if (adapter != null)
{
_ = adapter->Release();
}
if (factory != null)
{
_ = factory->Release();
}
}
}
static void InitializeDirect3D()
{
var desc = new DXGI_SWAP_CHAIN_DESC
{
BufferDesc = new DXGI_MODE_DESC
{
Width = WIDTH,
Height = HEIGHT,
Format = DXGI_FORMAT_R8G8B8A8_UNORM,
},
SampleDesc = new DXGI_SAMPLE_DESC
{
Count = 1
},
BufferCount = 1,
Windowed = TRUE,
OutputWindow = form.Handle,
BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
Flags = (uint)DXGI_SWAP_CHAIN_FLAG.DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH
};
uint creationFlags = 0;
#if DEBUG
creationFlags |= (uint)D3D11_CREATE_DEVICE_FLAG.D3D11_CREATE_DEVICE_DEBUG;
#endif
fixed(IDXGISwapChain **swapchain = &_swapchain)
fixed(ID3D11Device **device = &_d3dDevice)
fixed(ID3D11DeviceContext **context = &_d3dctx)
{
ThrowIfFailed(D3D11CreateDeviceAndSwapChain(null,
D3D_DRIVER_TYPE_HARDWARE,
IntPtr.Zero,
creationFlags,
null,
0,
D3D11_SDK_VERSION,
&desc,
swapchain,
device,
null,
context));
}
ID3D10Multithread *pMultithread;
var iid = IID_ID3D10Multithread;
ThrowIfFailed(_d3dDevice->QueryInterface(&iid, (void **)&pMultithread));
pMultithread->SetMultithreadProtected(TRUE);
pMultithread->Release();
var viewport = new D3D11_VIEWPORT
{
Height = HEIGHT,
Width = WIDTH
};
_d3dctx->RSSetViewports(1, &viewport);
fixed(ID3D11Device **device = &_d3deviceVLC)
fixed(ID3D11DeviceContext **context = &_d3dctxVLC)
{
ThrowIfFailed(D3D11CreateDevice(null,
D3D_DRIVER_TYPE_HARDWARE,
IntPtr.Zero,
creationFlags | (uint)D3D11_CREATE_DEVICE_FLAG.D3D11_CREATE_DEVICE_VIDEO_SUPPORT, /* needed for hardware decoding */
null, 0,
D3D11_SDK_VERSION,
device, null, context));
}
using ComPtr <ID3D11Resource> pBackBuffer = null;
iid = IID_ID3D11Texture2D;
ThrowIfFailed(_swapchain->GetBuffer(0, &iid, (void **)pBackBuffer.GetAddressOf()));
fixed(ID3D11RenderTargetView **swapchainRenderTarget = &_swapchainRenderTarget)
ThrowIfFailed(_d3dDevice->CreateRenderTargetView(pBackBuffer.Get(), null, swapchainRenderTarget));
pBackBuffer.Dispose();
fixed(ID3D11RenderTargetView **swapchainRenderTarget = &_swapchainRenderTarget)
_d3dctx->OMSetRenderTargets(1, swapchainRenderTarget, null);
ID3DBlob *VS, PS, pErrBlob;
using ComPtr <ID3DBlob> vertexShaderBlob = null;
fixed(byte *shader = Encoding.ASCII.GetBytes(DefaultShaders.HLSL))
fixed(byte *vshader = Encoding.ASCII.GetBytes("VShader"))
fixed(byte *vs4 = Encoding.ASCII.GetBytes("vs_4_0"))
fixed(byte *pshader = Encoding.ASCII.GetBytes("PShader"))
fixed(byte *ps4 = Encoding.ASCII.GetBytes("ps_4_0"))
{
var result = D3DCompile(shader, (nuint)DefaultShaders.HLSL.Length, null, null, null, (sbyte *)vshader, (sbyte *)vs4, 0, 0, &VS, &pErrBlob);
if (FAILED(result) && pErrBlob != null)
{
var errorMessage = Encoding.ASCII.GetString((byte *)pErrBlob->GetBufferPointer(), (int)pErrBlob->GetBufferSize());
Debug.WriteLine(errorMessage);
ThrowIfFailed(result);
}
result = D3DCompile(shader, (nuint)DefaultShaders.HLSL.Length, null, null, null, (sbyte *)pshader, (sbyte *)ps4, 0, 0, &PS, &pErrBlob);
if (FAILED(result) && pErrBlob != null)
{
var errorMessage = Encoding.ASCII.GetString((byte *)pErrBlob->GetBufferPointer(), (int)pErrBlob->GetBufferSize());
Debug.WriteLine(errorMessage);
ThrowIfFailed(result);
}
}
fixed(ID3D11VertexShader **vertexShader = &pVS)
fixed(ID3D11PixelShader **pixelShader = &pPS)
{
ThrowIfFailed(_d3dDevice->CreateVertexShader(VS->GetBufferPointer(), VS->GetBufferSize(), null, vertexShader));
ThrowIfFailed(_d3dDevice->CreatePixelShader(PS->GetBufferPointer(), PS->GetBufferSize(), null, pixelShader));
}
fixed(byte *position = Encoding.ASCII.GetBytes("POSITION"))
fixed(byte *textcoord = Encoding.ASCII.GetBytes("TEXCOORD"))
fixed(ID3D11InputLayout **shadersInputLayout = &pShadersInputLayout)
{
var inputElementDescs = stackalloc D3D11_INPUT_ELEMENT_DESC[2];
{
inputElementDescs[0] = new D3D11_INPUT_ELEMENT_DESC
{
SemanticName = (sbyte *)position,
SemanticIndex = 0,
Format = DXGI_FORMAT_R32G32B32_FLOAT,
InputSlot = 0,
AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT,
InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA,
InstanceDataStepRate = 0
};
inputElementDescs[1] = new D3D11_INPUT_ELEMENT_DESC
{
SemanticName = (sbyte *)textcoord,
SemanticIndex = 0,
Format = DXGI_FORMAT_R32G32_FLOAT,
InputSlot = 0,
AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT,
InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA,
InstanceDataStepRate = 0
};
}
ThrowIfFailed(_d3dDevice->CreateInputLayout(inputElementDescs, 2, VS->GetBufferPointer(), VS->GetBufferSize(), shadersInputLayout));
}
var ourVerticles = new ShaderInput[4];
ourVerticles[0] = new ShaderInput
{
position = new Position
{
x = BORDER_LEFT,
y = BORDER_BOTTOM,
z = 0.0f
},
texture = new Texture {
x = 0.0f, y = 1.0f
}
};
ourVerticles[1] = new ShaderInput
{
position = new Position
{
x = BORDER_RIGHT,
y = BORDER_BOTTOM,
z = 0.0f
},
texture = new Texture {
x = 1.0f, y = 1.0f
}
};
ourVerticles[2] = new ShaderInput
{
position = new Position
{
x = BORDER_RIGHT,
y = BORDER_TOP,
z = 0.0f
},
texture = new Texture {
x = 1.0f, y = 0.0f
}
};
ourVerticles[3] = new ShaderInput
{
position = new Position
{
x = BORDER_LEFT,
y = BORDER_TOP,
z = 0.0f
},
texture = new Texture {
x = 0.0f, y = 0.0f
}
};
var verticlesSize = (uint)sizeof(ShaderInput) * 4;
var bd = new D3D11_BUFFER_DESC
{
Usage = D3D11_USAGE_DYNAMIC,
ByteWidth = verticlesSize,
BindFlags = (uint)D3D11_BIND_VERTEX_BUFFER,
CPUAccessFlags = (uint)D3D11_CPU_ACCESS_WRITE
};
pVertexBuffer = CreateBuffer(bd);
vertexBufferStride = Marshal.SizeOf(ourVerticles[0]);
D3D11_MAPPED_SUBRESOURCE ms;
ID3D11Resource *res;
iid = IID_ID3D11Resource;
ThrowIfFailed(pVertexBuffer->QueryInterface(&iid, (void **)&res));
ThrowIfFailed(_d3dctx->Map(res, 0, D3D11_MAP_WRITE_DISCARD, 0, &ms));
for (var i = 0; i < ourVerticles.Length; i++)
{
Marshal.StructureToPtr(ourVerticles[i], (IntPtr)ms.pData + (i * vertexBufferStride), false);
}
//Buffer.MemoryCopy(ms.pData, ourVerticles, verticlesSize, verticlesSize);
_d3dctx->Unmap(res, 0);
quadIndexCount = 6;
var bufferDesc = new D3D11_BUFFER_DESC
{
Usage = D3D11_USAGE_DYNAMIC,
ByteWidth = sizeof(ushort) * quadIndexCount,
BindFlags = (uint)D3D11_BIND_INDEX_BUFFER,
CPUAccessFlags = (uint)D3D11_CPU_ACCESS_WRITE
};
pIndexBuffer = CreateBuffer(bufferDesc);
ThrowIfFailed(pIndexBuffer->QueryInterface(&iid, (void **)&res));
ThrowIfFailed(_d3dctx->Map(res, 0, D3D11_MAP_WRITE_DISCARD, 0, &ms));
Marshal.WriteInt16((IntPtr)ms.pData, 0 * sizeof(ushort), 3);
Marshal.WriteInt16((IntPtr)ms.pData, 1 * sizeof(ushort), 1);
Marshal.WriteInt16((IntPtr)ms.pData, 2 * sizeof(ushort), 0);
Marshal.WriteInt16((IntPtr)ms.pData, 3 * sizeof(ushort), 2);
Marshal.WriteInt16((IntPtr)ms.pData, 4 * sizeof(ushort), 1);
Marshal.WriteInt16((IntPtr)ms.pData, 5 * sizeof(ushort), 3);
_d3dctx->Unmap(res, 0);
_d3dctx->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
_d3dctx->IASetInputLayout(pShadersInputLayout);
uint offset = 0;
var vv = (uint)vertexBufferStride;
fixed(ID3D11Buffer **buffer = &pVertexBuffer)
_d3dctx->IASetVertexBuffers(0, 1, buffer, &vv, &offset);
_d3dctx->IASetIndexBuffer(pIndexBuffer, DXGI_FORMAT_R16_UINT, 0);
_d3dctx->VSSetShader(pVS, null, 0);
_d3dctx->PSSetShader(pPS, null, 0);
var samplerDesc = new D3D11_SAMPLER_DESC
{
Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT,
AddressU = D3D11_TEXTURE_ADDRESS_CLAMP,
AddressV = D3D11_TEXTURE_ADDRESS_CLAMP,
AddressW = D3D11_TEXTURE_ADDRESS_CLAMP,
ComparisonFunc = D3D11_COMPARISON_ALWAYS,
MinLOD = 0,
MaxLOD = D3D11_FLOAT32_MAX
};
fixed(ID3D11SamplerState **ss = &samplerState)
{
ThrowIfFailed(_d3dDevice->CreateSamplerState(&samplerDesc, ss));
_d3dctx->PSSetSamplers(0, 1, ss);
}
fixed(RTL_CRITICAL_SECTION *sl = &sizeLock)
InitializeCriticalSection(sl);
}
static void Main()
{
ReferenceTracker.TrackReferences = true;
Form form = new Form();
IDXGIFactory factory = DXGI.CreateFactory();
IDXGIAdapter adapter = null;
factory.EnumAdapters(0, out adapter);
DXGI_SWAP_CHAIN_DESC swapChainDescription = new DXGI_SWAP_CHAIN_DESC
{
BufferCount = 1,
BufferDesc = new DXGI_MODE_DESC
{
Format = DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM,
Height = form.ClientSize.Height,
RefreshRate = new DXGI_RATIONAL
{
Denominator = 1,
Numerator = 60
},
Scaling = DXGI_MODE_SCALING.DXGI_MODE_SCALING_UNSPECIFIED,
ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER.DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED,
Width = form.ClientSize.Width
},
BufferUsage = (int)DXGI_USAGE.DXGI_USAGE_RENDER_TARGET_OUTPUT,
Flags = 0,
OutputWindow = form.Handle,
SampleDesc = new DXGI_SAMPLE_DESC
{
Count = 1,
Quality = 0
},
SwapEffect = DXGI_SWAP_EFFECT.DXGI_SWAP_EFFECT_DISCARD,
Windowed = true
};
ID3D11Device device = SlimDX.Direct3D11.Direct3D11.CreateDevice(adapter);
IDXGISwapChain swapChain = null;
factory.CreateSwapChain(device, swapChainDescription, out swapChain);
ID3D11Texture2D backbuffer = swapChain.GetBuffer <ID3D11Texture2D>(0);
ID3D11RenderTargetView view = null;
device.CreateRenderTargetView(backbuffer, null, out view);
ID3DBlob vertexShaderBytecode = ShaderCompiler.CompileFromString(File.ReadAllText("MiniTri11.fx"), "MiniTri11.fx", "VS", "vs_4_0");
ID3DBlob pixelShaderBytecode = ShaderCompiler.CompileFromString(File.ReadAllText("MiniTri11.fx"), "MiniTri11.fx", "PS", "ps_4_0");
D3D11_INPUT_ELEMENT_DESC[] inputElements = new[] {
new D3D11_INPUT_ELEMENT_DESC {
SemanticName = "POSITION", AlignedByteOffset = 0, SemanticIndex = 0, Format = DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT, InstanceDataStepRate = 0, InputSlot = 0, InputSlotClass = D3D11_INPUT_CLASSIFICATION.D3D11_INPUT_PER_VERTEX_DATA
},
new D3D11_INPUT_ELEMENT_DESC {
SemanticName = "COLOR", AlignedByteOffset = 16, SemanticIndex = 0, Format = DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT, InstanceDataStepRate = 0, InputSlot = 0, InputSlotClass = D3D11_INPUT_CLASSIFICATION.D3D11_INPUT_PER_VERTEX_DATA
}
};
ID3DBlob inputSignature;
ShaderCompiler.D3DGetInputSignatureBlob(vertexShaderBytecode.GetBufferPointer(), vertexShaderBytecode.GetBufferSize(), out inputSignature);
ID3D11InputLayout inputLayout;
device.CreateInputLayout(inputElements, inputElements.Length, inputSignature.GetBufferPointer(), inputSignature.GetBufferSize(), out inputLayout);
ByteBuffer vertexData = new ByteBuffer(3 * 32);
vertexData.Write(0 * Vector4.SizeInBytes, new Vector4(0.0f, 0.5f, 0.5f, 1.0f));
vertexData.Write(1 * Vector4.SizeInBytes, new Vector4(1.0f, 0.0f, 0.0f, 1.0f));
vertexData.Write(2 * Vector4.SizeInBytes, new Vector4(0.5f, -0.5f, 0.5f, 1.0f));
vertexData.Write(3 * Vector4.SizeInBytes, new Vector4(0.0f, 1.0f, 0.0f, 1.0f));
vertexData.Write(4 * Vector4.SizeInBytes, new Vector4(-0.5f, -0.5f, 0.5f, 1.0f));
vertexData.Write(5 * Vector4.SizeInBytes, new Vector4(0.0f, 0.0f, 1.0f, 1.0f));
D3D11_BUFFER_DESC vertexBufferDescription = new D3D11_BUFFER_DESC
{
BindFlags = 1, //vertex buffer
ByteWidth = 3 * 32,
CPUAccessFlags = 0,
MiscFlags = 0,
Usage = D3D11_USAGE.D3D11_USAGE_DEFAULT,
StructureByteStride = 0
};
ID3D11Buffer vertexBuffer;
D3D11_SUBRESOURCE_DATA srd = new D3D11_SUBRESOURCE_DATA
{
pSysMem = vertexData.Pin(),
SysMemPitch = 0,
SysMemSlicePitch = 0
};
device.CreateBuffer(vertexBufferDescription, srd, out vertexBuffer);
vertexData.Unpin();
RenderLoop loop = new RenderLoop();
ID3D11DeviceContext context = null;
device.GetImmediateContext(out context);
ID3D11VertexShader vertexShader;
ID3D11PixelShader pixelShader;
device.CreateVertexShader(vertexShaderBytecode.GetBufferPointer(), vertexShaderBytecode.GetBufferSize(), null, out vertexShader);
device.CreatePixelShader(pixelShaderBytecode.GetBufferPointer(), pixelShaderBytecode.GetBufferSize(), null, out pixelShader);
context.IASetInputLayout(inputLayout);
context.VSSetShader(vertexShader, null, 0);
context.PSSetShader(pixelShader, null, 0);
context.IASetPrimitiveTopology(4); //triangle list
context.IASetVertexBuffers(0, 1, new ID3D11Buffer[] { vertexBuffer }, new int[] { 32 }, new int[] { 0 });
context.OMSetRenderTargets(1, new ID3D11RenderTargetView[] { view }, IntPtr.Zero);
D3D11_VIEWPORT vp = new D3D11_VIEWPORT {
Height = form.ClientSize.Height,
Width = form.ClientSize.Width,
TopLeftX = 0,
TopLeftY = 0,
MinDepth = 0.0f,
MaxDepth = 1.0f
};
context.RSSetViewports(1, new D3D11_VIEWPORT [] { vp });
loop.Run(form, () =>
{
var clearColor = new SlimDX.Color4 {
R = 0.0f, G = 0.0f, B = 0.0f, A = 1.0f
};
context.ClearRenderTargetView(view, clearColor);
context.Draw(3, 0);
swapChain.Present(0, 0);
});
view.ReleaseReference();
backbuffer.ReleaseReference();
swapChain.ReleaseReference();
device.ReleaseReference();
adapter.ReleaseReference();
factory.ReleaseReference();
}
public static void Init(DeviceConfiguration config, HWND windowHandle)
{
if (IsInitialized)
{
throw new InvalidOperationException($"{nameof(GraphicsDevice)} has already been initialized.");
}
var deviceCreationFlags = D3D11_CREATE_DEVICE_FLAG.UNSPECIFIED;
if (config.Debug)
{
deviceCreationFlags |= D3D11_CREATE_DEVICE_FLAG.D3D11_CREATE_DEVICE_DEBUG;
}
if (config.Stats)
{
deviceCreationFlags |= D3D11_CREATE_DEVICE_FLAG.D3D11_CREATE_DEVICE_BGRA_SUPPORT;
}
var featureLevel = D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_11_1;
var desc = new DXGI_SWAP_CHAIN_DESC
{
BufferCount = 2,
BufferDesc = new DXGI_MODE_DESC
{
Width = config.Width,
Height = config.Height,
RefreshRate = new DXGI_RATIONAL {
Denominator = config.RefreshRate
},
Scaling = DXGI_MODE_SCALING_UNSPECIFIED,
ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED,
Format = DXGI_FORMAT_B8G8R8A8_UNORM
},
SampleDesc = new DXGI_SAMPLE_DESC
{
//Count = 2, // TODO: look into how we should use AA/Multi Sampling in Titan
Count = 1,
Quality = 0
},
BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
OutputWindow = windowHandle,
//SwapEffect = DXGI_SWAP_EFFECT_SEQUENTIAL,
SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD,
Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH,
Windowed = config.Windowed
};
Logger.Trace <ID3D11Device>("Creating device");
CheckAndThrow(D3D11CreateDeviceAndSwapChain(null, D3D_DRIVER_TYPE.D3D_DRIVER_TYPE_HARDWARE, 0, deviceCreationFlags, null, 0, D3D11_SDK_VERSION, &desc, _swapChain.GetAddressOf(), _device.GetAddressOf(), null, _context.GetAddressOf()), nameof(D3D11CreateDeviceAndSwapChain));
Logger.Trace <ID3D11Device>("Device created");
#if DEBUG
Logger.Trace <ID3D11Device>("Sampling quality levels");
uint qualityLevel = 0;
for (var sampleCount = 1u; sampleCount <= 16u; ++sampleCount)
{
var result = _device.Get()->CheckMultisampleQualityLevels(DXGI_FORMAT_B8G8R8A8_UNORM, sampleCount, &qualityLevel);
if (SUCCEEDED(result))
{
Logger.Debug($"Sample count {sampleCount} supports quality level {qualityLevel}", typeof(GraphicsDevice));
}
else
{
Logger.Debug($"Sample count {sampleCount} failed with HRESULT {result}", typeof(GraphicsDevice));
}
}
#endif
SwapChain = new SwapChain(_swapChain.Get(), config);
ImmediateContext = new Context(_context.Get());
BufferManager = new BufferManager(_device);
TextureManager = new TextureManager(_device.Get(), SwapChain);
SamplerManager = new SamplerManager(_device.Get());
ShaderManager = new ShaderManager(_device.Get());
RasterizerManager = new RasterizerManager(_device.Get());
BlendStateManager = new BlendStateManager(_device.Get());
InitBackbuffer();
IsInitialized = true;
}
public override void OnInit()
{
Guid iid;
IDXGIFactory1 * factory = null;
IDXGIAdapter * adapter = null;
ID3D11Texture2D *backBuffer = null;
ID3DBlob * vertexShaderBlob = null;
ID3DBlob * pixelShaderBlob = null;
try
{
iid = IID_IDXGIFactory1;
ThrowIfFailed(nameof(CreateDXGIFactory1), CreateDXGIFactory1(&iid, (void **)&factory));
if (UseWarpDevice)
{
throw new NotImplementedException("WARP Device not supported for D3D11.");
}
else
{
adapter = GetHardwareAdapter(factory);
}
fixed(ID3D11Device **device = &_device)
fixed(ID3D11DeviceContext **immediateContext = &_immediateContext)
{
var featureLevel = D3D_FEATURE_LEVEL_11_0;
ThrowIfFailed(nameof(D3D11CreateDevice), D3D11CreateDevice(adapter, D3D_DRIVER_TYPE_HARDWARE, Software: IntPtr.Zero, Flags: 0, &featureLevel, FeatureLevels: 1, D3D11_SDK_VERSION, device, pFeatureLevel: null, immediateContext));
}
// Describe and create the swap chain.
var swapChainDesc = new DXGI_SWAP_CHAIN_DESC {
BufferDesc = new DXGI_MODE_DESC {
Width = Width,
Height = Height,
Format = DXGI_FORMAT_R8G8B8A8_UNORM,
},
SampleDesc = new DXGI_SAMPLE_DESC {
Count = 1
},
BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
BufferCount = FrameCount,
OutputWindow = Win32Application.Hwnd,
Windowed = TRUE,
SwapEffect = DXGI_SWAP_EFFECT_DISCARD,
};
fixed(IDXGISwapChain **swapChain = &_swapChain)
{
ThrowIfFailed(nameof(IDXGIFactory1.CreateSwapChain), factory->CreateSwapChain(
(IUnknown *)_device,
&swapChainDesc,
swapChain
));
}
// This sample does not support fullscreen transitions.
ThrowIfFailed(nameof(IDXGIFactory.MakeWindowAssociation), factory->MakeWindowAssociation(Win32Application.Hwnd, DXGI_MWA_NO_ALT_ENTER));
fixed(ID3D11RenderTargetView **renderTarget = &_renderTarget)
{
iid = IID_ID3D11Texture2D;
ThrowIfFailed(nameof(IDXGISwapChain.GetBuffer), _swapChain->GetBuffer(0, &iid, (void **)&backBuffer));
ThrowIfFailed(nameof(ID3D11Device.CreateRenderTargetView), _device->CreateRenderTargetView((ID3D11Resource *)backBuffer, null, renderTarget));
_immediateContext->OMSetRenderTargets(1, renderTarget, pDepthStencilView: null);
}
var vp = new D3D11_VIEWPORT {
Width = Width,
Height = Height,
MinDepth = 0.0f,
MaxDepth = 1.0f,
TopLeftX = 0,
TopLeftY = 0,
};
_immediateContext->RSSetViewports(1, &vp);
var compileFlags = 0u;
fixed(char *fileName = GetAssetFullPath(@"D3D11\Assets\Shaders\HelloTriangle.hlsl"))
fixed(ID3D11VertexShader **vertexShader = &_vertexShader)
fixed(ID3D11PixelShader **pixelShader = &_pixelShader)
{
var entryPoint = 0x00006E69614D5356; // VSMain
var target = 0x0000305F345F7376; // vs_4_0
ThrowIfFailed(nameof(D3DCompileFromFile), D3DCompileFromFile((ushort *)fileName, null, null, (sbyte *)&entryPoint, (sbyte *)&target, compileFlags, 0, &vertexShaderBlob, null));
ThrowIfFailed(nameof(ID3D11Device.CreateVertexShader), _device->CreateVertexShader(vertexShaderBlob->GetBufferPointer(), vertexShaderBlob->GetBufferSize(), pClassLinkage: null, vertexShader));
entryPoint = 0x00006E69614D5350; // PSMain
target = 0x0000305F345F7370; // ps_4_0
ThrowIfFailed(nameof(D3DCompileFromFile), D3DCompileFromFile((ushort *)fileName, null, null, (sbyte *)&entryPoint, (sbyte *)&target, compileFlags, 0, &pixelShaderBlob, null));
ThrowIfFailed(nameof(ID3D11Device.CreatePixelShader), _device->CreatePixelShader(pixelShaderBlob->GetBufferPointer(), pixelShaderBlob->GetBufferSize(), pClassLinkage: null, pixelShader));
}
var inputElementDescs = stackalloc D3D11_INPUT_ELEMENT_DESC[2];
{
var semanticName0 = stackalloc sbyte[9];
{
((ulong *)semanticName0)[0] = 0x4E4F495449534F50; // POSITION
}
inputElementDescs[0] = new D3D11_INPUT_ELEMENT_DESC {
SemanticName = semanticName0,
SemanticIndex = 0,
Format = DXGI_FORMAT_R32G32B32_FLOAT,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA,
InstanceDataStepRate = 0
};
var semanticName1 = 0x000000524F4C4F43; // COLOR
inputElementDescs[1] = new D3D11_INPUT_ELEMENT_DESC {
SemanticName = (sbyte *)&semanticName1,
SemanticIndex = 0,
Format = DXGI_FORMAT_R32G32B32A32_FLOAT,
InputSlot = 0,
AlignedByteOffset = 12,
InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA,
InstanceDataStepRate = 0
};
}
fixed(ID3D11InputLayout **inputLayout = &_inputLayout)
{
ThrowIfFailed(nameof(ID3D11Device.CreateInputLayout), _device->CreateInputLayout(inputElementDescs, NumElements: 2, vertexShaderBlob->GetBufferPointer(), vertexShaderBlob->GetBufferSize(), inputLayout));
}
_immediateContext->IASetInputLayout(_inputLayout);
var triangleVertices = stackalloc Vertex[3];
{
triangleVertices[0] = new Vertex {
Position = new Vector3(0.0f, 0.25f * AspectRatio, 0.0f),
Color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
};
triangleVertices[1] = new Vertex {
Position = new Vector3(0.25f, -0.25f * AspectRatio, 0.0f),
Color = new Vector4(0.0f, 1.0f, 0.0f, 1.0f)
};
triangleVertices[2] = new Vertex {
Position = new Vector3(-0.25f, -0.25f * AspectRatio, 0.0f),
Color = new Vector4(0.0f, 0.0f, 1.0f, 1.0f)
};
}
var vertexBufferSize = (uint)sizeof(Vertex) * 3;
var vertexBufferDesc = new D3D11_BUFFER_DESC {
ByteWidth = vertexBufferSize,
Usage = D3D11_USAGE_DEFAULT,
BindFlags = (uint)D3D11_BIND_VERTEX_BUFFER
};
var vertexBufferData = new D3D11_SUBRESOURCE_DATA {
pSysMem = triangleVertices
};
fixed(ID3D11Buffer **vertexBuffer = &_vertexBuffer)
{
ThrowIfFailed(nameof(ID3D11Device.CreateBuffer), _device->CreateBuffer(&vertexBufferDesc, &vertexBufferData, vertexBuffer));
var stride = (uint)sizeof(Vertex);
var offset = 0u;
_immediateContext->IASetVertexBuffers(0, 1, vertexBuffer, &stride, &offset);
}
_immediateContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
}
finally
{
if (pixelShaderBlob != null)
{
_ = pixelShaderBlob->Release();
}
if (vertexShaderBlob != null)
{
_ = vertexShaderBlob->Release();
}
if (backBuffer != null)
{
_ = backBuffer->Release();
}
if (adapter != null)
{
_ = adapter->Release();
}
if (factory != null)
{
_ = factory->Release();
}
}
}
