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#include "UnityPrefix.h"
#include "D3D11Window.h"
#include "D3D11Context.h"
#include "Runtime/GfxDevice/GfxDevice.h"
#include "Runtime/Math/ColorSpaceConversion.h"
#include "Runtime/Misc/QualitySettings.h"
#if UNITY_EDITOR
static D3D11Window* s_CurrentD3D11Window = NULL;
static int s_CurrentD3D11AA = 0;
void SetNoRenderTextureActiveEditor(); // RenderTexture.cpp
void InternalDestroyRenderSurfaceD3D11 (RenderSurfaceD3D11* rs, TexturesD3D11* textures); // RenderTextureD3D11.cpp
bool InitD3D11RenderDepthSurface (RenderDepthSurfaceD3D11& rs, TexturesD3D11* textures, bool sampleOnly);
D3D11Window::D3D11Window (HWND window, int width, int height, DepthBufferFormat depthFormat, int antiAlias)
: GfxDeviceWindow(window, width, height, depthFormat, antiAlias)
, m_SwapChain(NULL)
, m_AntiAlias(0)
{
Reshape (width, height, depthFormat, antiAlias);
}
D3D11Window::~D3D11Window()
{
if (s_CurrentD3D11Window == this)
{
s_CurrentD3D11Window = NULL;
s_CurrentD3D11AA = 0;
}
InternalDestroyRenderSurfaceD3D11 (&m_DepthStencil, NULL);
InternalDestroyRenderSurfaceD3D11 (&m_BackBuffer, NULL);
SAFE_RELEASE (m_SwapChain);
}
bool D3D11Window::Reshape (int width, int height, DepthBufferFormat depthFormat, int antiAlias)
{
if (!GfxDeviceWindow::Reshape(width, height, depthFormat, antiAlias))
return false;
// release old
SAFE_RELEASE(m_DepthStencil.m_Texture);
SAFE_RELEASE(m_DepthStencil.m_SRView);
SAFE_RELEASE(m_DepthStencil.m_DSView);
m_BackBuffer.Reset();
SAFE_RELEASE(m_SwapChain);
// pick supported AA level
if (antiAlias == -1)
antiAlias = GetQualitySettings().GetCurrent().antiAliasing;
while (antiAlias > 1 && !(gGraphicsCaps.d3d11.msaa & (1<<antiAlias)))
--antiAlias;
antiAlias = std::max(antiAlias, 1);
HRESULT hr;
const bool sRGB = GetActiveColorSpace() == kLinearColorSpace;
const bool createSRV = (gGraphicsCaps.d3d11.featureLevel >= kDX11Level10_0); // swap chain can't have SRV before 10.0, it seems
DXGI_SWAP_CHAIN_DESC sd;
ZeroMemory (&sd, sizeof(DXGI_SWAP_CHAIN_DESC));
sd.BufferCount = 1;
sd.BufferDesc.Width = m_Width;
sd.BufferDesc.Height = m_Height;
sd.BufferDesc.Format = sRGB ? DXGI_FORMAT_R8G8B8A8_UNORM_SRGB : DXGI_FORMAT_R8G8B8A8_UNORM;
sd.BufferDesc.RefreshRate.Numerator = 0;
sd.BufferDesc.RefreshRate.Denominator = 1;
sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
if (createSRV)
sd.BufferUsage |= DXGI_USAGE_SHADER_INPUT;
sd.OutputWindow = m_Window;
sd.SampleDesc.Count = antiAlias;
sd.SampleDesc.Quality = 0;
sd.Windowed = TRUE;
hr = GetDXGIFactory()->CreateSwapChain (GetD3D11Device(), &sd, &m_SwapChain);
Assert(SUCCEEDED(hr));
if (FAILED(hr))
{
printf_console ("d3d11: swap chain: w=%i h=%i fmt=%i\n",
sd.BufferDesc.Width, sd.BufferDesc.Height, sd.BufferDesc.Format);
printf_console ("d3d11: failed to create swap chain [0x%x]\n", hr);
m_InvalidState = true;
return !m_InvalidState;
}
//@TODO: false if AA is used?
m_CanUseBlitOptimization = true;
m_AntiAlias = 0;
// Swap Chain
ID3D11Texture2D* backBufferTexture;
hr = m_SwapChain->GetBuffer (0, __uuidof(*backBufferTexture), (void**)&backBufferTexture);
Assert(SUCCEEDED(hr));
// Set the primary backbuffer view
ID3D11RenderTargetView* rtView;
D3D11_RENDER_TARGET_VIEW_DESC rtDesc;
rtDesc.Format = sRGB ? DXGI_FORMAT_R8G8B8A8_UNORM_SRGB : DXGI_FORMAT_R8G8B8A8_UNORM;
rtDesc.ViewDimension = antiAlias > 1 ? D3D11_RTV_DIMENSION_TEXTURE2DMS : D3D11_RTV_DIMENSION_TEXTURE2D;
rtDesc.Texture2D.MipSlice = 0;
hr = GetD3D11Device()->CreateRenderTargetView (backBufferTexture, &rtDesc, &rtView);
Assert(SUCCEEDED(hr));
// Set the secondary backbuffer view
ID3D11RenderTargetView* rtViewSecondary;
D3D11_RENDER_TARGET_VIEW_DESC rtDescSecondary;
rtDescSecondary.Format = !sRGB ? DXGI_FORMAT_R8G8B8A8_UNORM_SRGB : DXGI_FORMAT_R8G8B8A8_UNORM;
rtDescSecondary.ViewDimension = antiAlias > 1 ? D3D11_RTV_DIMENSION_TEXTURE2DMS : D3D11_RTV_DIMENSION_TEXTURE2D;
rtDescSecondary.Texture2D.MipSlice = 0;
hr = GetD3D11Device()->CreateRenderTargetView (backBufferTexture, &rtDescSecondary, &rtViewSecondary);
Assert(SUCCEEDED(hr));
// Create shader resource view
if (createSRV)
{
D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
srvDesc.Format = sd.BufferDesc.Format;
srvDesc.ViewDimension = antiAlias > 1 ? D3D11_SRV_DIMENSION_TEXTURE2DMS : D3D11_SRV_DIMENSION_TEXTURE2D;
srvDesc.Texture2D.MostDetailedMip = 0;
srvDesc.Texture2D.MipLevels = 1;
ID3D11ShaderResourceView* srView = NULL;
hr = GetD3D11Device()->CreateShaderResourceView (backBufferTexture, &srvDesc, &m_BackBuffer.m_SRView);
Assert (SUCCEEDED(hr));
}
//Pass through flags
m_BackBuffer.m_Texture = backBufferTexture;
m_BackBuffer.SetRTV (0, 0, false, rtView);
m_BackBuffer.SetRTV (0, 0, true, rtViewSecondary);
m_BackBuffer.width = sd.BufferDesc.Width;
m_BackBuffer.height = sd.BufferDesc.Height;
m_BackBuffer.samples = antiAlias;
m_BackBuffer.format = kRTFormatARGB32;
m_BackBuffer.backBuffer = true;
m_BackBuffer.flags = sRGB ? (m_BackBuffer.flags | kSurfaceCreateSRGB) : (m_BackBuffer.flags & ~kSurfaceCreateSRGB);
// Depth stencil
m_DepthStencil.width = m_Width;
m_DepthStencil.height = m_Height;
m_DepthStencil.samples = antiAlias;
m_DepthStencil.depthFormat = depthFormat;
m_DepthStencil.backBuffer = true;
bool dsOk = InitD3D11RenderDepthSurface (m_DepthStencil, NULL, false);
Assert (dsOk);
return !m_InvalidState;
}
void D3D11Window::SetAsActiveWindow ()
{
GfxDevice& device = GetRealGfxDevice();
device.SetRenderTargets(1, &GetBackBuffer(), GetDepthStencil());
device.SetActiveRenderTexture(NULL);
device.SetCurrentWindowSize(m_Width, m_Height);
device.SetInvertProjectionMatrix(false);
s_CurrentD3D11Window = this;
s_CurrentD3D11AA = m_AntiAlias;
}
bool D3D11Window::BeginRendering()
{
if (!GfxDeviceWindow::BeginRendering())
return false;
SetAsActiveWindow ();
GfxDevice& device = GetRealGfxDevice();
if (device.IsInsideFrame())
{
ErrorString ("GUI Window tries to begin rendering while something else has not finished rendering! Either you have a recursive OnGUI rendering, or previous OnGUI did not clean up properly.");
}
device.SetInsideFrame(true);
return true;
}
bool D3D11Window::EndRendering( bool presentContent )
{
if (!GfxDeviceWindow::EndRendering(presentContent))
return false;
GfxDevice& device = GetRealGfxDevice();
Assert(device.IsInsideFrame());
device.SetInsideFrame(false);
s_CurrentD3D11Window = NULL;
HRESULT hr;
if (m_SwapChain && presentContent)
{
HRESULT hr = m_SwapChain->Present (0, 0);
Assert (SUCCEEDED(hr));
}
return true;
}
RenderSurfaceHandle D3D11Window::GetBackBuffer()
{
RenderSurfaceHandle handle;
handle.object = &m_BackBuffer;
return handle;
}
RenderSurfaceHandle D3D11Window::GetDepthStencil()
{
RenderSurfaceHandle handle;
handle.object = &m_DepthStencil;
return handle;
}
#endif
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