dolphin/Source/Plugins/Plugin_VideoDX11/Src/D3DBase.cpp

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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "D3DBase.h"
#include "D3DTexture.h"
#include "D3DShader.h"
#include "D3Dcompiler.h"
#include "VideoConfig.h"
#include "Render.h"
#include "XFStructs.h"
#include "StringUtil.h"
HINSTANCE hD3DXDll = NULL;
D3DX11COMPILEFROMMEMORYTYPE PD3DX11CompileFromMemory = NULL;
D3DX11FILTERTEXTURETYPE PD3DX11FilterTexture = NULL;
D3DX11SAVETEXTURETOFILEATYPE PD3DX11SaveTextureToFileA = NULL;
D3DX11SAVETEXTURETOFILEWTYPE PD3DX11SaveTextureToFileW = NULL;
namespace D3D
{
ID3D11Device* device = NULL;
ID3D11DeviceContext* context = NULL;
IDXGISwapChain* swapchain = NULL;
D3D_FEATURE_LEVEL featlevel;
D3DTexture2D* backbuf = NULL;
HWND hWnd;
bool bgra_textures_supported;
#define NUM_SUPPORTED_FEATURE_LEVELS 3
const D3D_FEATURE_LEVEL supported_feature_levels[NUM_SUPPORTED_FEATURE_LEVELS] = {
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0
};
unsigned int xres, yres;
bool bFrameInProgress = false;
HRESULT Create(HWND wnd)
{
hWnd = wnd;
HRESULT hr;
RECT client;
GetClientRect(hWnd, &client);
xres = client.right - client.left;
yres = client.bottom - client.top;
// try to load D3DX11 first to check whether we have proper runtime support
// try to use the dll the plugin was compiled against first - don't bother about debug runtimes
hD3DXDll = LoadLibraryA(StringFromFormat("d3dx11_%d.dll", D3DX11_SDK_VERSION).c_str());
if (!hD3DXDll)
{
// if that fails, use the dll which should be available in every SDK which officially supports DX11.
hD3DXDll = LoadLibraryA("d3dx11_42.dll");
if (!hD3DXDll)
{
MessageBoxA(NULL, "Failed to load d3dx11_42.dll, update your DX11 runtime, please", "Critical error", MB_OK | MB_ICONERROR);
return E_FAIL;
}
else
{
NOTICE_LOG(VIDEO, "Successfully loaded d3dx11_42.dll. If you're having trouble, try updating your DX runtime first.");
}
}
PD3DX11CompileFromMemory = (D3DX11COMPILEFROMMEMORYTYPE)GetProcAddress(hD3DXDll, "D3DX11CompileFromMemory");
if (PD3DX11CompileFromMemory == NULL) MessageBoxA(NULL, "GetProcAddress failed for D3DX11CompileFromMemory!", "Critical error", MB_OK | MB_ICONERROR);
PD3DX11FilterTexture = (D3DX11FILTERTEXTURETYPE)GetProcAddress(hD3DXDll, "D3DX11FilterTexture");
if (PD3DX11FilterTexture == NULL) MessageBoxA(NULL, "GetProcAddress failed for D3DX11FilterTexture!", "Critical error", MB_OK | MB_ICONERROR);
PD3DX11SaveTextureToFileA = (D3DX11SAVETEXTURETOFILEATYPE)GetProcAddress(hD3DXDll, "D3DX11SaveTextureToFileA");
if (PD3DX11SaveTextureToFileA == NULL) MessageBoxA(NULL, "GetProcAddress failed for D3DX11SaveTextureToFileA!", "Critical error", MB_OK | MB_ICONERROR);
PD3DX11SaveTextureToFileW = (D3DX11SAVETEXTURETOFILEWTYPE)GetProcAddress(hD3DXDll, "D3DX11SaveTextureToFileW");
if (PD3DX11SaveTextureToFileW == NULL) MessageBoxA(NULL, "GetProcAddress failed for D3DX11SaveTextureToFileW!", "Critical error", MB_OK | MB_ICONERROR);
// D3DX11 is fine, initialize D3D11
IDXGIFactory* factory;
IDXGIAdapter* adapter;
IDXGIOutput* output;
hr = CreateDXGIFactory(__uuidof(IDXGIFactory), (void**)&factory);
if (FAILED(hr)) MessageBox(wnd, _T("Failed to create IDXGIFactory object"), _T("Dolphin Direct3D 11 plugin"), MB_OK | MB_ICONERROR);
hr = factory->EnumAdapters(g_ActiveConfig.iAdapter, &adapter);
if (FAILED(hr))
{
// try using the first one
hr = factory->EnumAdapters(0, &adapter);
if (FAILED(hr)) MessageBox(wnd, _T("Failed to enumerate adapters"), _T("Dolphin Direct3D 11 plugin"), MB_OK | MB_ICONERROR);
}
// TODO: Make this configurable
hr = adapter->EnumOutputs(0, &output);
if (FAILED(hr))
{
// try using the first one
hr = adapter->EnumOutputs(0, &output);
if (FAILED(hr)) MessageBox(wnd, _T("Failed to enumerate outputs"), _T("Dolphin Direct3D 11 plugin"), MB_OK | MB_ICONERROR);
}
// this will need to be changed once multisampling gets implemented
DXGI_SWAP_CHAIN_DESC swap_chain_desc;
memset(&swap_chain_desc, 0, sizeof(swap_chain_desc));
swap_chain_desc.BufferCount = 1;
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.OutputWindow = wnd;
swap_chain_desc.SampleDesc.Count = 1;
swap_chain_desc.SampleDesc.Quality = 0;
swap_chain_desc.Windowed = TRUE;
DXGI_MODE_DESC mode_desc;
memset(&mode_desc, 0, sizeof(mode_desc));
mode_desc.Width = xres;
mode_desc.Height = yres;
mode_desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
mode_desc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
hr = output->FindClosestMatchingMode(&mode_desc, &swap_chain_desc.BufferDesc, NULL);
if (FAILED(hr)) MessageBox(wnd, _T("Failed to find a supported video mode"), _T("Dolphin Direct3D 11 plugin"), MB_OK | MB_ICONERROR);
// forcing buffer resolution to xres and yres.. TODO: The new video mode might not actually be supported!
swap_chain_desc.BufferDesc.Width = xres;
swap_chain_desc.BufferDesc.Height = yres;
#if defined(_DEBUG) || defined(DEBUGFAST)
D3D11_CREATE_DEVICE_FLAG device_flags = (D3D11_CREATE_DEVICE_FLAG)(D3D11_CREATE_DEVICE_DEBUG|D3D11_CREATE_DEVICE_SINGLETHREADED);
#else
D3D11_CREATE_DEVICE_FLAG device_flags = D3D11_CREATE_DEVICE_SINGLETHREADED;
#endif
hr = D3D11CreateDeviceAndSwapChain(adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL, device_flags,
supported_feature_levels, NUM_SUPPORTED_FEATURE_LEVELS,
D3D11_SDK_VERSION, &swap_chain_desc, &swapchain, &device,
&featlevel, &context);
if (FAILED(hr) || !device || !context || !swapchain)
{
MessageBox(wnd, _T("Failed to initialize Direct3D.\nMake sure your video card supports at least D3D 10.0"), _T("Dolphin Direct3D 11 plugin"), MB_OK | MB_ICONERROR);
SAFE_RELEASE(device);
SAFE_RELEASE(context);
SAFE_RELEASE(swapchain);
return E_FAIL;
}
SetDebugObjectName((ID3D11DeviceChild*)context, "device context");
SAFE_RELEASE(factory);
SAFE_RELEASE(output);
SAFE_RELEASE(adapter);
ID3D11Texture2D* buf;
hr = swapchain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&buf);
if (FAILED(hr))
{
MessageBox(wnd, _T("Failed to get swapchain buffer"), _T("Dolphin Direct3D 11 plugin"), MB_OK | MB_ICONERROR);
SAFE_RELEASE(device);
SAFE_RELEASE(context);
SAFE_RELEASE(swapchain);
return E_FAIL;
}
backbuf = new D3DTexture2D(buf, D3D11_BIND_RENDER_TARGET);
SAFE_RELEASE(buf);
CHECK(backbuf!=NULL, "Create back buffer texture");
SetDebugObjectName((ID3D11DeviceChild*)backbuf->GetTex(), "backbuffer texture");
SetDebugObjectName((ID3D11DeviceChild*)backbuf->GetRTV(), "backbuffer render target view");
context->OMSetRenderTargets(1, &backbuf->GetRTV(), NULL);
// BGRA textures are easier to deal with in TextureCache, but might not be supported by the hardware
UINT format_support;
device->CheckFormatSupport(DXGI_FORMAT_B8G8R8A8_UNORM, &format_support);
bgra_textures_supported = (format_support & D3D11_FORMAT_SUPPORT_TEXTURE2D) != 0;
gfxstate = new EmuGfxState;
stateman = new StateManager;
return S_OK;
}
void Close()
{
// unload D3DX11
FreeLibrary(hD3DXDll);
PD3DX11FilterTexture = NULL;
PD3DX11SaveTextureToFileA = NULL;
PD3DX11SaveTextureToFileW = NULL;
// release all bound resources
context->ClearState();
SAFE_RELEASE(backbuf);
SAFE_RELEASE(swapchain);
SAFE_DELETE(gfxstate);
SAFE_DELETE(stateman);
context->Flush(); // immediately destroy device objects
SAFE_RELEASE(context);
ULONG references = device->Release();
if (references)
{
ERROR_LOG(VIDEO, "Unreleased references: %i.", references);
}
else
{
NOTICE_LOG(VIDEO, "Successfully released all device references!");
}
device = NULL;
}
/* just returning the 4_0 ones here */
const char* VertexShaderVersionString() { return "vs_4_0"; }
const char* PixelShaderVersionString() { return "ps_4_0"; }
D3DTexture2D* &GetBackBuffer() { return backbuf; }
unsigned int GetBackBufferWidth() { return xres; }
unsigned int GetBackBufferHeight() { return yres; }
bool BGRATexturesSupported() { return bgra_textures_supported; }
// Returns the maximum width/height of a texture. This value only depends upon the feature level in DX11
unsigned int GetMaxTextureSize()
{
switch (featlevel)
{
case D3D_FEATURE_LEVEL_11_0:
return 16384;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
return 8192;
case D3D_FEATURE_LEVEL_9_3:
return 4096;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
return 2048;
default:
return 0;
}
}
void Reset()
{
// release all back buffer references
SAFE_RELEASE(backbuf);
// resize swapchain buffers
RECT client;
GetClientRect(hWnd, &client);
xres = client.right - client.left;
yres = client.bottom - client.top;
D3D::swapchain->ResizeBuffers(1, xres, yres, DXGI_FORMAT_R8G8B8A8_UNORM, 0);
// recreate back buffer texture
ID3D11Texture2D* buf;
HRESULT hr = swapchain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&buf);
if (FAILED(hr))
{
MessageBox(hWnd, _T("Failed to get swapchain buffer"), _T("Dolphin Direct3D 11 plugin"), MB_OK | MB_ICONERROR);
SAFE_RELEASE(device);
SAFE_RELEASE(context);
SAFE_RELEASE(swapchain);
return;
}
backbuf = new D3DTexture2D(buf, D3D11_BIND_RENDER_TARGET);
SAFE_RELEASE(buf);
CHECK(backbuf!=NULL, "Create back buffer texture");
SetDebugObjectName((ID3D11DeviceChild*)backbuf->GetTex(), "backbuffer texture");
SetDebugObjectName((ID3D11DeviceChild*)backbuf->GetRTV(), "backbuffer render target view");
}
bool BeginFrame()
{
if (bFrameInProgress)
{
PanicAlert("BeginFrame called although a frame is already in progress");
return false;
}
bFrameInProgress = true;
return (device != NULL);
}
void EndFrame()
{
if (!bFrameInProgress)
{
PanicAlert("EndFrame called although no frame is in progress");
return;
}
bFrameInProgress = false;
}
void Present()
{
// TODO: Is 1 the correct value for vsyncing?
swapchain->Present((UINT)g_ActiveConfig.bVSync, 0);
}
} // namespace