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[c-host] added new pure C host project, see README.md

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This commit is contained in:
Geoffrey McRae
2019-02-28 16:35:30 +11:00
parent 526c09b7ff
commit c99f4e31c5
11 changed files with 1419 additions and 0 deletions
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465
c-host/capture/dxgi.c Normal file
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/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
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; either version 2 of the License, or (at your option) any later
version.
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 for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "interface.h"
#include "debug.h"
#include "windebug.h"
#include <assert.h>
#include <dxgi.h>
#include <d3d11.h>
#include <d3dcommon.h>
#include "dxgi_extra.h"
// locals
struct iface
{
bool initialized;
IDXGIFactory1 * factory;
IDXGIAdapter1 * adapter;
IDXGIOutput * output;
ID3D11Device * device;
ID3D11DeviceContext * deviceContext;
D3D_FEATURE_LEVEL featureLevel;
IDXGIOutputDuplication * dup;
ID3D11Texture2D * texture;
bool hasFrame;
bool retryAcquire;
unsigned int width;
unsigned int height;
};
static bool dpiDone = false;
static struct iface * this = NULL;
// forwards
static bool dxgi_deinit();
static CaptureResult dxgi_releaseFrame();
// implementation
static const char * dxgi_getName()
{
return "DXGI";
}
static bool dxgi_create()
{
assert(!this);
this = calloc(sizeof(struct iface), 1);
if (!this)
{
DEBUG_ERROR("failed to allocate iface struct");
return false;
}
return true;
}
static bool dxgi_init()
{
assert(this);
// this is required for DXGI 1.5 support to function
if (!dpiDone)
{
DECLARE_HANDLE(DPI_AWARENESS_CONTEXT);
#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 ((DPI_AWARENESS_CONTEXT)-4)
typedef BOOL (*User32_SetProcessDpiAwarenessContext)(DPI_AWARENESS_CONTEXT value);
HMODULE user32 = LoadLibraryA("user32.dll");
User32_SetProcessDpiAwarenessContext fn;
fn = (User32_SetProcessDpiAwarenessContext)GetProcAddress(user32, "SetProcessDpiAwarenessContext");
if (fn)
fn(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
CloseHandle(user32);
dpiDone = true;
}
HRESULT status;
IDXGIFactory1 * factory;
IDXGIAdapter1 * adapter;
IDXGIOutput * output;
DXGI_OUTPUT_DESC outputDesc;
status = CreateDXGIFactory1(&IID_IDXGIFactory1, (void **)&factory);
if (FAILED(status))
{
DEBUG_WINERROR("Failed to create DXGIFactory1", status);
goto fail;
}
for(int i = 0; IDXGIFactory1_EnumAdapters1(factory, i, &adapter) != DXGI_ERROR_NOT_FOUND; ++i)
{
for(int n = 0; IDXGIAdapter1_EnumOutputs(adapter, n, &output) != DXGI_ERROR_NOT_FOUND; ++n)
{
IDXGIOutput_GetDesc(output, &outputDesc);
if (!outputDesc.AttachedToDesktop)
{
IDXGIOutput_Release(output);
output = NULL;
continue;
}
break;
}
if (output)
break;
IDXGIAdapter1_Release(adapter);
adapter = NULL;
}
if (!output)
{
DEBUG_ERROR("Failed to locate a valid output device");
goto fail;
}
static const D3D_FEATURE_LEVEL featureLevels[] =
{
D3D_FEATURE_LEVEL_12_1,
D3D_FEATURE_LEVEL_12_0,
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
};
IDXGIAdapter * tmp;
status = IDXGIAdapter1_QueryInterface(adapter, &IID_IDXGIAdapter, (void **)&tmp);
if (FAILED(status))
{
DEBUG_ERROR("Failed to query IDXGIAdapter interface");
goto fail_release;
}
status = D3D11CreateDevice(
tmp,
D3D_DRIVER_TYPE_UNKNOWN,
NULL,
D3D11_CREATE_DEVICE_VIDEO_SUPPORT,
featureLevels, sizeof(featureLevels) / sizeof(D3D_FEATURE_LEVEL),
D3D11_SDK_VERSION,
&this->device,
&this->featureLevel,
&this->deviceContext);
IDXGIAdapter_Release(tmp);
if (FAILED(status))
{
DEBUG_WINERROR("Failed to create D3D11 device", status);
goto fail_release;
}
DXGI_ADAPTER_DESC1 adapterDesc;
IDXGIAdapter1_GetDesc1(adapter, &adapterDesc);
this->width = outputDesc.DesktopCoordinates.right - outputDesc.DesktopCoordinates.left;
this->height = outputDesc.DesktopCoordinates.bottom - outputDesc.DesktopCoordinates.top;
DEBUG_INFO("Device Descripion: %ls" , adapterDesc.Description);
DEBUG_INFO("Device Vendor ID : 0x%x" , adapterDesc.VendorId);
DEBUG_INFO("Device Device ID : 0x%x" , adapterDesc.DeviceId);
DEBUG_INFO("Device Video Mem : %u MB", (unsigned)(adapterDesc.DedicatedVideoMemory / 1048576));
DEBUG_INFO("Device Sys Mem : %u MB", (unsigned)(adapterDesc.DedicatedSystemMemory / 1048576));
DEBUG_INFO("Shared Sys Mem : %u MB", (unsigned)(adapterDesc.SharedSystemMemory / 1048576));
DEBUG_INFO("Feature Level : 0x%x", this->featureLevel);
DEBUG_INFO("Capture Size : %u x %u", this->width, this->height);
// bump up our priority
{
IDXGIDevice * dxgi;
status = ID3D11Device_QueryInterface(this->device, &IID_IDXGIDevice, (void **)&dxgi);
if (FAILED(status))
{
DEBUG_WINERROR("failed to query DXGI interface from device", status);
goto fail_release_device;
}
IDXGIDevice_SetGPUThreadPriority(dxgi, 7);
IDXGIDevice_Release(dxgi);
}
IDXGIOutput5 * output5 = NULL;
status = IDXGIOutput_QueryInterface(output, &IID_IDXGIOutput5, (void **)&output5);
if (FAILED(status))
{
DEBUG_WARN("IDXGIOutput5 is not available, please update windows for improved performance!");
DEBUG_WARN("Falling back to IDXIGOutput1");
IDXGIOutput1 * output1 = NULL;
status = IDXGIOutput_QueryInterface(output, &IID_IDXGIOutput1, (void **)&output1);
if (FAILED(status))
{
DEBUG_ERROR("Failed to query IDXGIOutput1 from the output");
goto fail_release_device;
}
// we try this twice in case we still get an error on re-initialization
for (int i = 0; i < 2; ++i)
{
status = IDXGIOutput1_DuplicateOutput(output1, (IUnknown *)this->device, &this->dup);
if (SUCCEEDED(status))
break;
Sleep(200);
}
if (FAILED(status))
{
DEBUG_WINERROR("DuplicateOutput Failed", status);
IDXGIOutput1_Release(output1);
goto fail_release_device;
}
}
else
{
const DXGI_FORMAT supportedFormats[] =
{
DXGI_FORMAT_B8G8R8A8_UNORM,
DXGI_FORMAT_R8G8B8A8_UNORM,
DXGI_FORMAT_R10G10B10A2_UNORM
};
// we try this twice in case we still get an error on re-initialization
for (int i = 0; i < 2; ++i)
{
status = IDXGIOutput5_DuplicateOutput1(
output5,
(IUnknown *)this->device,
0,
sizeof(supportedFormats) / sizeof(DXGI_FORMAT),
supportedFormats,
&this->dup);
if (SUCCEEDED(status))
break;
Sleep(200);
}
if (FAILED(status))
{
DEBUG_WINERROR("DuplicateOutput1 Failed", status);
IDXGIOutput5_Release(output5);
goto fail_release_device;
}
}
DXGI_OUTDUPL_DESC dupDesc;
IDXGIOutputDuplication_GetDesc(this->dup, &dupDesc);
DEBUG_INFO("Source Format : %s", GetDXGIFormatStr(dupDesc.ModeDesc.Format));
D3D11_TEXTURE2D_DESC texDesc;
memset(&texDesc, 0, sizeof(texDesc));
texDesc.Width = this->width;
texDesc.Height = this->height;
texDesc.MipLevels = 1;
texDesc.ArraySize = 1;
texDesc.SampleDesc.Count = 1;
texDesc.SampleDesc.Quality = 0;
texDesc.Usage = D3D11_USAGE_STAGING;
texDesc.Format = dupDesc.ModeDesc.Format;
texDesc.BindFlags = 0;
texDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
texDesc.MiscFlags = 0;
status = ID3D11Device_CreateTexture2D(this->device, &texDesc, NULL, &this->texture);
if (FAILED(status))
{
DEBUG_WINERROR("Failed to create texture", status);
goto fail_release_output;
}
this->factory = factory;
this->adapter = adapter;
this->output = output;
this->initialized = true;
return true;
fail_release_output:
IDXGIOutputDuplication_Release(this->dup);
this->dup = NULL;
fail_release_device:
ID3D11Device_Release(this->device);
this->device = NULL;
fail_release:
IDXGIOutput_Release (output );
IDXGIAdapter1_Release(adapter);
IDXGIFactory1_Release(factory);
fail:
return false;
}
static bool dxgi_deinit()
{
assert(this);
if (this->texture)
{
ID3D11Texture2D_Release(this->texture);
this->texture = NULL;
}
if (this->dup)
{
dxgi_releaseFrame();
IDXGIOutputDuplication_Release(this->dup);
this->dup = NULL;
}
if (this->device)
{
ID3D11Device_Release(this->device);
this->device = NULL;
}
if (this->output)
{
IDXGIOutput_Release(this->output);
this->output = NULL;
}
if (this->adapter)
{
IDXGIAdapter1_Release(this->adapter);
this->adapter = NULL;
}
if (this->factory)
{
IDXGIFactory1_Release(this->factory);
this->factory = NULL;
}
this->initialized = false;
return true;
}
static void dxgi_free()
{
assert(this);
if (this->initialized)
dxgi_deinit();
free(this);
this = NULL;
}
static CaptureResult dxgi_capture()
{
assert(this);
assert(this->initialized);
CaptureResult result;
HRESULT status;
DXGI_OUTDUPL_FRAME_INFO frameInfo;
IDXGIResource * res;
result = dxgi_releaseFrame();
if (result != CAPTURE_RESULT_OK)
return result;
status = IDXGIOutputDuplication_AcquireNextFrame(this->dup, 1000, &frameInfo, &res);
switch(status)
{
case S_OK:
this->hasFrame = true;
break;
case DXGI_ERROR_WAIT_TIMEOUT:
return CAPTURE_RESULT_TIMEOUT;
case WAIT_ABANDONED:
case DXGI_ERROR_ACCESS_LOST:
if (this->retryAcquire)
{
DEBUG_WINERROR("Unable to acquire next frame, giving up", status);
this->retryAcquire = false;
return CAPTURE_RESULT_ERROR;
}
this->retryAcquire = true;
return CAPTURE_RESULT_REINIT;
default:
DEBUG_WINERROR("AcquireNextFrame failed", status);
return CAPTURE_RESULT_ERROR;
}
ID3D11Texture2D * src;
status = IDXGIResource_QueryInterface(res, &IID_ID3D11Texture2D, (void **)&src);
if (FAILED(status))
{
DEBUG_WINERROR("Failed to get the texture from the dxgi resource", status);
return CAPTURE_RESULT_ERROR;
}
ID3D11DeviceContext_CopyResource(this->deviceContext,
(ID3D11Resource *)this->texture, (ID3D11Resource *)src);
return CAPTURE_RESULT_OK;
}
static CaptureResult dxgi_releaseFrame()
{
assert(this);
if (!this->hasFrame)
return CAPTURE_RESULT_OK;
HRESULT status = IDXGIOutputDuplication_ReleaseFrame(this->dup);
switch(status)
{
case S_OK:
break;
case DXGI_ERROR_INVALID_CALL:
DEBUG_WINERROR("Frame was already released", status);
return CAPTURE_RESULT_ERROR;
case WAIT_ABANDONED:
case DXGI_ERROR_ACCESS_LOST:
return CAPTURE_RESULT_REINIT;
default:
DEBUG_WINERROR("ReleaseFrame failed", status);
return CAPTURE_RESULT_ERROR;
}
this->hasFrame = false;
return CAPTURE_RESULT_OK;
}
struct CaptureInterface Capture_DXGI =
{
.getName = dxgi_getName,
.create = dxgi_create,
.init = dxgi_init,
.deinit = dxgi_deinit,
.free = dxgi_free,
.capture = dxgi_capture
};

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c-host/capture/dxgi_extra.h Normal file
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/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
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; either version 2 of the License, or (at your option) any later
version.
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 for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <dxgi.h>
#include <d3d11.h>
#include <d3dcommon.h>
// missing declarations in dxgi.h
HRESULT __stdcall CreateDXGIFactory1(REFIID riid, void **factory);
#define D3D_FEATURE_LEVEL_12_0 0xc000
#define D3D_FEATURE_LEVEL_12_1 0xc100
#define DXGI_ERROR_ACCESS_LOST _HRESULT_TYPEDEF_(0x887A0026L)
#define DXGI_ERROR_WAIT_TIMEOUT _HRESULT_TYPEDEF_(0x887A0027L)
typedef struct DXGI_OUTDUPL_DESC {
DXGI_MODE_DESC ModeDesc;
DXGI_MODE_ROTATION Rotation;
BOOL DesktopImageInSystemMemory;
}
DXGI_OUTDUPL_DESC;
typedef struct DXGI_OUTDUPL_POINTER_POSITION {
POINT Position;
BOOL Visible;
}
DXGI_OUTDUPL_POINTER_POSITION;
typedef struct DXGI_OUTDUPL_FRAME_INFO {
LARGE_INTEGER LastPresentTime;
LARGE_INTEGER LastMouseUpdateTime;
UINT AccumulatedFrames;
BOOL RectsCoalesced;
BOOL ProtectedContentMaskedOut;
DXGI_OUTDUPL_POINTER_POSITION PointerPosition;
UINT TotalMetadataBufferSize;
UINT PointerShapeBufferSize;
}
DXGI_OUTDUPL_FRAME_INFO;
typedef struct DXGI_OUTDUPL_MOVE_RECT {
POINT SourcePoint;
RECT DestinationRect;
}
DXGI_OUTDUPL_MOVE_RECT;
typedef struct DXGI_OUTDUPL_POINTER_SHAPE_INFO {
UINT Type;
UINT Width;
UINT Height;
UINT Pitch;
POINT HotSpot;
}
DXGI_OUTDUPL_POINTER_SHAPE_INFO;
DEFINE_GUID(IID_IDXGIOutputDuplication, 0x191cfac3, 0xa341, 0x470d, 0xb2,0x6e,0xa8,0x64,0xf4,0x28,0x31,0x9c);
typedef interface IDXGIOutputDuplication IDXGIOutputDuplication;
typedef struct IDXGIOutputDuplicationVtbl {
BEGIN_INTERFACE
/*** IUnknown methods ***/
HRESULT (STDMETHODCALLTYPE *QueryInterface)(
IDXGIOutputDuplication* This,
REFIID riid,
void **ppvObject);
ULONG (STDMETHODCALLTYPE *AddRef)(
IDXGIOutputDuplication* This);
ULONG (STDMETHODCALLTYPE *Release)(
IDXGIOutputDuplication* This);
/*** IDXGIObject methods ***/
HRESULT (STDMETHODCALLTYPE *SetPrivateData)(
IDXGIOutputDuplication* This,
REFGUID guid,
UINT data_size,
const void *data);
HRESULT (STDMETHODCALLTYPE *SetPrivateDataInterface)(
IDXGIOutputDuplication* This,
REFGUID guid,
const IUnknown *object);
HRESULT (STDMETHODCALLTYPE *GetPrivateData)(
IDXGIOutputDuplication* This,
REFGUID guid,
UINT *data_size,
void *data);
HRESULT (STDMETHODCALLTYPE *GetParent)(
IDXGIOutputDuplication* This,
REFIID riid,
void **parent);
/*** IDXGIOutputDuplication methods ***/
void (STDMETHODCALLTYPE *GetDesc)(
IDXGIOutputDuplication* This,
DXGI_OUTDUPL_DESC *pDesc);
HRESULT (STDMETHODCALLTYPE *AcquireNextFrame)(
IDXGIOutputDuplication* This,
UINT TimeoutInMilliseconds,
DXGI_OUTDUPL_FRAME_INFO *pFrameInfo,
IDXGIResource **ppDesktopResource);
HRESULT (STDMETHODCALLTYPE *GetFrameDirtyRects)(
IDXGIOutputDuplication* This,
UINT DirtyRectsBufferSize,
RECT *pDirtyRectsBuffer,
UINT *pDirtyRectsBufferSizeRequired);
HRESULT (STDMETHODCALLTYPE *GetFrameMoveRects)(
IDXGIOutputDuplication* This,
UINT MoveRectsBufferSize,
DXGI_OUTDUPL_MOVE_RECT *pMoveRectBuffer,
UINT *pMoveRectsBufferSizeRequired);
HRESULT (STDMETHODCALLTYPE *GetFramePointerShape)(
IDXGIOutputDuplication* This,
UINT PointerShapeBufferSize,
void *pPointerShapeBuffer,
UINT *pPointerShapeBufferSizeRequired,
DXGI_OUTDUPL_POINTER_SHAPE_INFO *pPointerShapeInfo);
HRESULT (STDMETHODCALLTYPE *MapDesktopSurface)(
IDXGIOutputDuplication* This,
DXGI_MAPPED_RECT *pLockedRect);
HRESULT (STDMETHODCALLTYPE *UnMapDesktopSurface)(
IDXGIOutputDuplication* This);
HRESULT (STDMETHODCALLTYPE *ReleaseFrame)(
IDXGIOutputDuplication* This);
END_INTERFACE
}
IDXGIOutputDuplicationVtbl;
interface IDXGIOutputDuplication {
CONST_VTBL IDXGIOutputDuplicationVtbl* lpVtbl;
};
#define IDXGIOutputDuplication_Release(This) (This)->lpVtbl->Release(This)
#define IDXGIOutputDuplication_GetDesc(This, pDesc) (This)->lpVtbl->GetDesc(This, pDesc)
#define IDXGIOutputDuplication_AcquireNextFrame(This, TimeoutInMilliseconds, pFrameInfo, ppDesktopResource) (This)->lpVtbl->AcquireNextFrame(This, TimeoutInMilliseconds, pFrameInfo, ppDesktopResource)
#define IDXGIOutputDuplication_GetFrameDirtyRects(This, DirtyRectsBufferSize, pDirectyRectsBuffer, pDirtyRectsBufferSizeRequired) (This)->lpVtbl->GetFrameDirtyRects(This, DirtyRectsBufferSize, pDirectyRectsBuffer, pDirtyRectsBufferSizeRequired)
#define IDXGIOutputDuplication_GetFrameMoveRects(This, MoveRectsBufferSize, pDirtyRectsBuffer, pDirtyRectsBufferSizeRequired) (This)->lpVtbl->GetFrameMoveRects(This, MoveRectsBufferSize, pDirtyRectsBuffer, pDirtyRectsBufferSizeRequired)
#define IDXGIOutputDuplication_GetFramePointerShape(This, PointerShapeBufferSize, pPointerShapeBuffer, pPointerShapeBufferSizeRequired, pPointerShapeInfo) (This)->lpVtbl->GetFramePointerShape(This, PointerShapeBufferSize, pPointerShapeBuffer, pPointerShapeBufferSizeRequired, pPointerShapeInfo)
#define IDXGIOutputDuplication_MapDesktopSurface(This, pLockedRect) (This)->lpVtbl->MapDesktopSurface(This, pLockedRect)
#define IDXGIOutputDuplication_UnMapDesktopSurface(This) (This)->lpVtbl->UnMapDesktopSurface(This)
#define IDXGIOutputDuplication_ReleaseFrame(This) (This)->lpVtbl->ReleaseFrame(This)
typedef struct DXGI_MODE_DESC1
{
UINT Width;
UINT Height;
DXGI_RATIONAL RefreshRate;
DXGI_FORMAT Format;
DXGI_MODE_SCANLINE_ORDER ScanlineOrdering;
DXGI_MODE_SCALING Scaling;
BOOL Stereo;
}
DXGI_MODE_DESC1;
typedef enum DXGI_COLOR_SPACE_TYPE {
DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709 = 0,
DXGI_COLOR_SPACE_RGB_FULL_G10_NONE_P709 = 1,
DXGI_COLOR_SPACE_RGB_STUDIO_G22_NONE_P709 = 2,
DXGI_COLOR_SPACE_RGB_STUDIO_G22_NONE_P2020 = 3,
DXGI_COLOR_SPACE_RESERVED = 4,
DXGI_COLOR_SPACE_YCBCR_FULL_G22_NONE_P709_X601 = 5,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P601 = 6,
DXGI_COLOR_SPACE_YCBCR_FULL_G22_LEFT_P601 = 7,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P709 = 8,
DXGI_COLOR_SPACE_YCBCR_FULL_G22_LEFT_P709 = 9,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P2020 = 10,
DXGI_COLOR_SPACE_YCBCR_FULL_G22_LEFT_P2020 = 11,
DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020 = 12,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G2084_LEFT_P2020 = 13,
DXGI_COLOR_SPACE_RGB_STUDIO_G2084_NONE_P2020 = 14,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_TOPLEFT_P2020 = 15,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G2084_TOPLEFT_P2020 = 16,
DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P2020 = 17,
DXGI_COLOR_SPACE_YCBCR_STUDIO_GHLG_TOPLEFT_P2020 = 18,
DXGI_COLOR_SPACE_YCBCR_FULL_GHLG_TOPLEFT_P2020 = 19,
DXGI_COLOR_SPACE_RGB_STUDIO_G24_NONE_P709 = 20,
DXGI_COLOR_SPACE_RGB_STUDIO_G24_NONE_P2020 = 21,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G24_LEFT_P709 = 22,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G24_LEFT_P2020 = 23,
DXGI_COLOR_SPACE_YCBCR_STUDIO_G24_TOPLEFT_P2020 = 24,
DXGI_COLOR_SPACE_CUSTOM = 0xFFFFFFFF
} DXGI_COLOR_SPACE_TYPE;
DEFINE_GUID(IID_IDXGIOutput1, 0x00cddea8, 0x939b, 0x4b83, 0xa3,0x40,0xa6,0x85,0x22,0x66,0x66,0xcc);
typedef struct IDXGIOutput1 IDXGIOutput1;
typedef struct IDXGIOutput1Vtbl {
BEGIN_INTERFACE
/*** IUnknown methods ***/
HRESULT (STDMETHODCALLTYPE *QueryInterface)(
IDXGIOutput1* This,
REFIID riid,
void **ppvObject);
ULONG (STDMETHODCALLTYPE *AddRef)(
IDXGIOutput1* This);
ULONG (STDMETHODCALLTYPE *Release)(
IDXGIOutput1* This);
/*** IDXGIObject methods ***/
HRESULT (STDMETHODCALLTYPE *SetPrivateData)(
IDXGIOutput1* This,
REFGUID guid,
UINT data_size,
const void *data);
HRESULT (STDMETHODCALLTYPE *SetPrivateDataInterface)(
IDXGIOutput1* This,
REFGUID guid,
const IUnknown *object);
HRESULT (STDMETHODCALLTYPE *GetPrivateData)(
IDXGIOutput1* This,
REFGUID guid,
UINT *data_size,
void *data);
HRESULT (STDMETHODCALLTYPE *GetParent)(
IDXGIOutput1* This,
REFIID riid,
void **parent);
/*** IDXGIOutput methods ***/
HRESULT (STDMETHODCALLTYPE *GetDesc)(
IDXGIOutput1* This,
DXGI_OUTPUT_DESC *desc);
HRESULT (STDMETHODCALLTYPE *GetDisplayModeList)(
IDXGIOutput1* This,
DXGI_FORMAT format,
UINT flags,
UINT *mode_count,
DXGI_MODE_DESC *desc);
HRESULT (STDMETHODCALLTYPE *FindClosestMatchingMode)(
IDXGIOutput1* This,
const DXGI_MODE_DESC *mode,
DXGI_MODE_DESC *closest_match,
IUnknown *device);
HRESULT (STDMETHODCALLTYPE *WaitForVBlank)(
IDXGIOutput1* This);
HRESULT (STDMETHODCALLTYPE *TakeOwnership)(
IDXGIOutput1* This,
IUnknown *device,
WINBOOL exclusive);
void (STDMETHODCALLTYPE *ReleaseOwnership)(
IDXGIOutput1* This);
HRESULT (STDMETHODCALLTYPE *GetGammaControlCapabilities)(
IDXGIOutput1* This,
DXGI_GAMMA_CONTROL_CAPABILITIES *gamma_caps);
HRESULT (STDMETHODCALLTYPE *SetGammaControl)(
IDXGIOutput1* This,
const DXGI_GAMMA_CONTROL *gamma_control);
HRESULT (STDMETHODCALLTYPE *GetGammaControl)(
IDXGIOutput1* This,
DXGI_GAMMA_CONTROL *gamma_control);
HRESULT (STDMETHODCALLTYPE *SetDisplaySurface)(
IDXGIOutput1* This,
IDXGISurface *surface);
HRESULT (STDMETHODCALLTYPE *GetDisplaySurfaceData)(
IDXGIOutput1* This,
IDXGISurface *surface);
HRESULT (STDMETHODCALLTYPE *GetFrameStatistics)(
IDXGIOutput1* This,
DXGI_FRAME_STATISTICS *stats);
/*** IDXGIOutput1 methods ***/
HRESULT (STDMETHODCALLTYPE *GetDisplayModeList1)(
IDXGIOutput1* This,
DXGI_FORMAT EnumFormat,
UINT Flags,
UINT *pNumModes,
DXGI_MODE_DESC1 *pDesc);
HRESULT (STDMETHODCALLTYPE *FindClosestMatchingMode1)(
IDXGIOutput1* This,
const DXGI_MODE_DESC1 *pModeToMatch,
DXGI_MODE_DESC1 *pClosestMatch,
IUnknown *pConcernedDevice);
HRESULT (STDMETHODCALLTYPE *GetDisplaySurfaceData1)(
IDXGIOutput1* This,
IDXGIResource *pDestination);
HRESULT (STDMETHODCALLTYPE *DuplicateOutput)(
IDXGIOutput1* This,
IUnknown *pDevice,
IDXGIOutputDuplication **ppOutputDuplication);
END_INTERFACE
}
IDXGIOutput1Vtbl;
interface IDXGIOutput1 {
CONST_VTBL IDXGIOutput1Vtbl* lpVtbl;
};
#define IDXGIOutput1_DuplicateOutput(This,pDevice,ppOutputDuplication) (This)->lpVtbl->DuplicateOutput(This,pDevice,ppOutputDuplication)
#define IDXGIOutput1_Release(This) (This)->lpVtbl->Release(This);
DEFINE_GUID(IID_IDXGIOutput5, 0x80a07424, 0xab52, 0x42eb, 0x83,0x3c,0x0c,0x42,0xfd,0x28,0x2d,0x98);
typedef struct IDXGIOutput5 IDXGIOutput5;
typedef struct IDXGIOutput5Vtbl {
BEGIN_INTERFACE
/*** IUnknown methods ***/
HRESULT (STDMETHODCALLTYPE *QueryInterface)(
IDXGIOutput5* This,
REFIID riid,
void **ppvObject);
ULONG (STDMETHODCALLTYPE *AddRef)(
IDXGIOutput5* This);
ULONG (STDMETHODCALLTYPE *Release)(
IDXGIOutput5* This);
/*** IDXGIObject methods ***/
HRESULT (STDMETHODCALLTYPE *SetPrivateData)(
IDXGIOutput5* This,
REFGUID guid,
UINT data_size,
const void *data);
HRESULT (STDMETHODCALLTYPE *SetPrivateDataInterface)(
IDXGIOutput5* This,
REFGUID guid,
const IUnknown *object);
HRESULT (STDMETHODCALLTYPE *GetPrivateData)(
IDXGIOutput5* This,
REFGUID guid,
UINT *data_size,
void *data);
HRESULT (STDMETHODCALLTYPE *GetParent)(
IDXGIOutput5* This,
REFIID riid,
void **parent);
/*** IDXGIOutput methods ***/
HRESULT (STDMETHODCALLTYPE *GetDesc)(
IDXGIOutput5* This,
DXGI_OUTPUT_DESC *desc);
HRESULT (STDMETHODCALLTYPE *GetDisplayModeList)(
IDXGIOutput5* This,
DXGI_FORMAT format,
UINT flags,
UINT *mode_count,
DXGI_MODE_DESC *desc);
HRESULT (STDMETHODCALLTYPE *FindClosestMatchingMode)(
IDXGIOutput5* This,
const DXGI_MODE_DESC *mode,
DXGI_MODE_DESC *closest_match,
IUnknown *device);
HRESULT (STDMETHODCALLTYPE *WaitForVBlank)(
IDXGIOutput5* This);
HRESULT (STDMETHODCALLTYPE *TakeOwnership)(
IDXGIOutput5* This,
IUnknown *device,
WINBOOL exclusive);
void (STDMETHODCALLTYPE *ReleaseOwnership)(
IDXGIOutput5* This);
HRESULT (STDMETHODCALLTYPE *GetGammaControlCapabilities)(
IDXGIOutput5* This,
DXGI_GAMMA_CONTROL_CAPABILITIES *gamma_caps);
HRESULT (STDMETHODCALLTYPE *SetGammaControl)(
IDXGIOutput5* This,
const DXGI_GAMMA_CONTROL *gamma_control);
HRESULT (STDMETHODCALLTYPE *GetGammaControl)(
IDXGIOutput5* This,
DXGI_GAMMA_CONTROL *gamma_control);
HRESULT (STDMETHODCALLTYPE *SetDisplaySurface)(
IDXGIOutput5* This,
IDXGISurface *surface);
HRESULT (STDMETHODCALLTYPE *GetDisplaySurfaceData)(
IDXGIOutput5* This,
IDXGISurface *surface);
HRESULT (STDMETHODCALLTYPE *GetFrameStatistics)(
IDXGIOutput5* This,
DXGI_FRAME_STATISTICS *stats);
/*** IDXGIOutput1 methods ***/
HRESULT (STDMETHODCALLTYPE *GetDisplayModeList1)(
IDXGIOutput5* This,
DXGI_FORMAT EnumFormat,
UINT Flags,
UINT *pNumModes,
DXGI_MODE_DESC1 *pDesc);
HRESULT (STDMETHODCALLTYPE *FindClosestMatchingMode1)(
IDXGIOutput5* This,
const DXGI_MODE_DESC1 *pModeToMatch,
DXGI_MODE_DESC1 *pClosestMatch,
IUnknown *pConcernedDevice);
HRESULT (STDMETHODCALLTYPE *GetDisplaySurfaceData1)(
IDXGIOutput5* This,
IDXGIResource *pDestination);
HRESULT (STDMETHODCALLTYPE *DuplicateOutput)(
IDXGIOutput5* This,
IUnknown *pDevice,
IDXGIOutputDuplication **ppOutputDuplication);
/*** IDXGIOutput2 methods ***/
BOOL (STDMETHODCALLTYPE *SupportsOverlays)(
IDXGIOutput5* This);
/*** IDXGIOutput3 methods ***/
HRESULT (STDMETHODCALLTYPE *CheckOverlaySupport)(
IDXGIOutput5* This,
DXGI_FORMAT EnumFormat,
IUnknown *pConcernedDevice,
UINT *pFlags);
/*** IDXGIOutput4 methods ***/
HRESULT (STDMETHODCALLTYPE *CheckOverlayColorSpaceSupport)(
IDXGIOutput5* This,
DXGI_FORMAT Format,
DXGI_COLOR_SPACE_TYPE ColorSpace,
IUnknown *pConcernedDevice,
UINT *pFlags);
/*** IDXGIOutput5 methods ***/
HRESULT (STDMETHODCALLTYPE *DuplicateOutput1)(
IDXGIOutput5* This,
IUnknown *pDevice,
UINT Flags,
UINT SupportedFormatsCount,
const DXGI_FORMAT *pSupportedFormats,
IDXGIOutputDuplication **ppOutputDuplication);
END_INTERFACE
}
IDXGIOutput5Vtbl;
interface IDXGIOutput5 {
CONST_VTBL IDXGIOutput5Vtbl* lpVtbl;
};
#define IDXGIOutput5_DuplicateOutput1(This,pDevice,Flags,SupportedForamtsCount,pSupportedFormats,ppOutputDuplication) (This)->lpVtbl->DuplicateOutput1(This,pDevice,Flags,SupportedForamtsCount,pSupportedFormats,ppOutputDuplication)
#define IDXGIOutput5_Release(This) (This)->lpVtbl->Release(This);
static const char * DXGI_FORMAT_STR[] = {
"DXGI_FORMAT_UNKNOWN",
"DXGI_FORMAT_R32G32B32A32_TYPELESS",
"DXGI_FORMAT_R32G32B32A32_FLOAT",
"DXGI_FORMAT_R32G32B32A32_UINT",
"DXGI_FORMAT_R32G32B32A32_SINT",
"DXGI_FORMAT_R32G32B32_TYPELESS",
"DXGI_FORMAT_R32G32B32_FLOAT",
"DXGI_FORMAT_R32G32B32_UINT",
"DXGI_FORMAT_R32G32B32_SINT",
"DXGI_FORMAT_R16G16B16A16_TYPELESS",
"DXGI_FORMAT_R16G16B16A16_FLOAT",
"DXGI_FORMAT_R16G16B16A16_UNORM",
"DXGI_FORMAT_R16G16B16A16_UINT",
"DXGI_FORMAT_R16G16B16A16_SNORM",
"DXGI_FORMAT_R16G16B16A16_SINT",
"DXGI_FORMAT_R32G32_TYPELESS",
"DXGI_FORMAT_R32G32_FLOAT",
"DXGI_FORMAT_R32G32_UINT",
"DXGI_FORMAT_R32G32_SINT",
"DXGI_FORMAT_R32G8X24_TYPELESS",
"DXGI_FORMAT_D32_FLOAT_S8X24_UINT",
"DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS",
"DXGI_FORMAT_X32_TYPELESS_G8X24_UINT",
"DXGI_FORMAT_R10G10B10A2_TYPELESS",
"DXGI_FORMAT_R10G10B10A2_UNORM",
"DXGI_FORMAT_R10G10B10A2_UINT",
"DXGI_FORMAT_R11G11B10_FLOAT",
"DXGI_FORMAT_R8G8B8A8_TYPELESS",
"DXGI_FORMAT_R8G8B8A8_UNORM",
"DXGI_FORMAT_R8G8B8A8_UNORM_SRGB",
"DXGI_FORMAT_R8G8B8A8_UINT",
"DXGI_FORMAT_R8G8B8A8_SNORM",
"DXGI_FORMAT_R8G8B8A8_SINT",
"DXGI_FORMAT_R16G16_TYPELESS",
"DXGI_FORMAT_R16G16_FLOAT",
"DXGI_FORMAT_R16G16_UNORM",
"DXGI_FORMAT_R16G16_UINT",
"DXGI_FORMAT_R16G16_SNORM",
"DXGI_FORMAT_R16G16_SINT",
"DXGI_FORMAT_R32_TYPELESS",
"DXGI_FORMAT_D32_FLOAT",
"DXGI_FORMAT_R32_FLOAT",
"DXGI_FORMAT_R32_UINT",
"DXGI_FORMAT_R32_SINT",
"DXGI_FORMAT_R24G8_TYPELESS",
"DXGI_FORMAT_D24_UNORM_S8_UINT",
"DXGI_FORMAT_R24_UNORM_X8_TYPELESS",
"DXGI_FORMAT_X24_TYPELESS_G8_UINT",
"DXGI_FORMAT_R8G8_TYPELESS",
"DXGI_FORMAT_R8G8_UNORM",
"DXGI_FORMAT_R8G8_UINT",
"DXGI_FORMAT_R8G8_SNORM",
"DXGI_FORMAT_R8G8_SINT",
"DXGI_FORMAT_R16_TYPELESS",
"DXGI_FORMAT_R16_FLOAT",
"DXGI_FORMAT_D16_UNORM",
"DXGI_FORMAT_R16_UNORM",
"DXGI_FORMAT_R16_UINT",
"DXGI_FORMAT_R16_SNORM",
"DXGI_FORMAT_R16_SINT",
"DXGI_FORMAT_R8_TYPELESS",
"DXGI_FORMAT_R8_UNORM",
"DXGI_FORMAT_R8_UINT",
"DXGI_FORMAT_R8_SNORM",
"DXGI_FORMAT_R8_SINT",
"DXGI_FORMAT_A8_UNORM",
"DXGI_FORMAT_R1_UNORM",
"DXGI_FORMAT_R9G9B9E5_SHAREDEXP",
"DXGI_FORMAT_R8G8_B8G8_UNORM",
"DXGI_FORMAT_G8R8_G8B8_UNORM",
"DXGI_FORMAT_BC1_TYPELESS",
"DXGI_FORMAT_BC1_UNORM",
"DXGI_FORMAT_BC1_UNORM_SRGB",
"DXGI_FORMAT_BC2_TYPELESS",
"DXGI_FORMAT_BC2_UNORM",
"DXGI_FORMAT_BC2_UNORM_SRGB",
"DXGI_FORMAT_BC3_TYPELESS",
"DXGI_FORMAT_BC3_UNORM",
"DXGI_FORMAT_BC3_UNORM_SRGB",
"DXGI_FORMAT_BC4_TYPELESS",
"DXGI_FORMAT_BC4_UNORM",
"DXGI_FORMAT_BC4_SNORM",
"DXGI_FORMAT_BC5_TYPELESS",
"DXGI_FORMAT_BC5_UNORM",
"DXGI_FORMAT_BC5_SNORM",
"DXGI_FORMAT_B5G6R5_UNORM",
"DXGI_FORMAT_B5G5R5A1_UNORM",
"DXGI_FORMAT_B8G8R8A8_UNORM",
"DXGI_FORMAT_B8G8R8X8_UNORM",
"DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM",
"DXGI_FORMAT_B8G8R8A8_TYPELESS",
"DXGI_FORMAT_B8G8R8A8_UNORM_SRGB",
"DXGI_FORMAT_B8G8R8X8_TYPELESS",
"DXGI_FORMAT_B8G8R8X8_UNORM_SRGB",
"DXGI_FORMAT_BC6H_TYPELESS",
"DXGI_FORMAT_BC6H_UF16",
"DXGI_FORMAT_BC6H_SF16",
"DXGI_FORMAT_BC7_TYPELESS",
"DXGI_FORMAT_BC7_UNORM",
"DXGI_FORMAT_BC7_UNORM_SRGB",
"DXGI_FORMAT_AYUV",
"DXGI_FORMAT_Y410",
"DXGI_FORMAT_Y416",
"DXGI_FORMAT_NV12",
"DXGI_FORMAT_P010",
"DXGI_FORMAT_P016",
"DXGI_FORMAT_420_OPAQUE",
"DXGI_FORMAT_YUY2",
"DXGI_FORMAT_Y210",
"DXGI_FORMAT_Y216",
"DXGI_FORMAT_NV11",
"DXGI_FORMAT_AI44",
"DXGI_FORMAT_IA44",
"DXGI_FORMAT_P8",
"DXGI_FORMAT_A8P8",
"DXGI_FORMAT_B4G4R4A4_UNORM",
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
"DXGI_FORMAT_P208",
"DXGI_FORMAT_V208",
"DXGI_FORMAT_V408"
};
static const char * GetDXGIFormatStr(DXGI_FORMAT format)
{
if (format > sizeof(DXGI_FORMAT_STR) / sizeof(const char *))
return DXGI_FORMAT_STR[0];
return DXGI_FORMAT_STR[format];
}

42
c-host/capture/interface.h Normal file
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@@ -0,0 +1,42 @@
/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
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; either version 2 of the License, or (at your option) any later
version.
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 for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
typedef enum CaptureResult
{
CAPTURE_RESULT_OK,
CAPTURE_RESULT_REINIT,
CAPTURE_RESULT_TIMEOUT,
CAPTURE_RESULT_ERROR
}
CaptureResult;
struct CaptureInterface
{
const char * (*getName)();
bool (*create )();
bool (*init )();
bool (*deinit )();
void (*free )();
CaptureResult (*capture)();
};

32
c-host/capture/interfaces.h Normal file
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@@ -0,0 +1,32 @@
/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
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; either version 2 of the License, or (at your option) any later
version.
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 for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "interface.h"
#if defined(USE_DXGI)
extern struct CaptureInterface Capture_DXGI;
#endif
struct CaptureInterface * CaptureInterfaces[] =
{
#if defined(USE_DXGI)
&Capture_DXGI,
#endif
NULL
};