mirror of
https://github.com/gnif/LookingGlass.git
synced 2025-04-25 08:06:30 +00:00
143 lines
4.0 KiB
C++
143 lines
4.0 KiB
C++
/**
|
|
* Looking Glass
|
|
* Copyright © 2017-2025 The Looking Glass Authors
|
|
* https://looking-glass.io
|
|
*
|
|
* 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 <Windows.h>
|
|
#include <wdf.h>
|
|
#include <IddCx.h>
|
|
#include <vector>
|
|
|
|
#include "CIVSHMEM.h"
|
|
|
|
extern "C" {
|
|
#include "lgmp/host.h"
|
|
}
|
|
|
|
#include "common/KVMFR.h"
|
|
#define MAX_POINTER_SIZE (sizeof(KVMFRCursor) + (512 * 512 * 4))
|
|
#define POINTER_SHAPE_BUFFERS 3
|
|
|
|
class CIndirectDeviceContext
|
|
{
|
|
private:
|
|
WDFDEVICE m_wdfDevice;
|
|
IDDCX_ADAPTER m_adapter = nullptr;
|
|
IDDCX_MONITOR m_monitor = nullptr;
|
|
bool m_replugMonitor = false;
|
|
|
|
CIVSHMEM m_ivshmem;
|
|
|
|
PLGMPHost m_lgmp = nullptr;
|
|
WDFTIMER m_lgmpTimer = nullptr;
|
|
PLGMPHostQueue m_frameQueue = nullptr;
|
|
|
|
PLGMPHostQueue m_pointerQueue = nullptr;
|
|
PLGMPMemory m_pointerMemory [LGMP_Q_POINTER_LEN ] = {};
|
|
PLGMPMemory m_pointerShapeMemory[POINTER_SHAPE_BUFFERS] = {};
|
|
PLGMPMemory m_pointerShape = nullptr;
|
|
int m_pointerMemoryIndex = 0;
|
|
int m_pointerShapeIndex = 0;
|
|
bool m_cursorVisible = false;
|
|
int m_cursorX = 0, m_cursorY = 0;
|
|
|
|
size_t m_alignSize = 0;
|
|
size_t m_maxFrameSize = 0;
|
|
int m_frameIndex = 0;
|
|
uint32_t m_formatVer = 0;
|
|
uint32_t m_frameSerial = 0;
|
|
PLGMPMemory m_frameMemory[LGMP_Q_FRAME_LEN] = {};
|
|
|
|
int m_width = 0;
|
|
int m_height = 0;
|
|
int m_pitch = 0;
|
|
DXGI_FORMAT m_format = DXGI_FORMAT_UNKNOWN;
|
|
bool m_hasFrame = false;
|
|
|
|
void DeInitLGMP();
|
|
void LGMPTimer();
|
|
void ResendCursor();
|
|
|
|
struct DisplayMode
|
|
{
|
|
unsigned width;
|
|
unsigned height;
|
|
unsigned refresh;
|
|
bool preferred;
|
|
};
|
|
std::vector<DisplayMode> m_displayModes;
|
|
DisplayMode m_customMode = {};
|
|
bool m_setCustomMode = false;
|
|
|
|
public:
|
|
CIndirectDeviceContext(_In_ WDFDEVICE wdfDevice) :
|
|
m_wdfDevice(wdfDevice) {};
|
|
|
|
virtual ~CIndirectDeviceContext() { DeInitLGMP(); }
|
|
|
|
bool SetupLGMP(size_t alignSize);
|
|
|
|
void PopulateDefaultModes(bool setDefaultMode);
|
|
void InitAdapter();
|
|
void FinishInit(UINT connectorIndex);
|
|
void ReplugMonitor();
|
|
|
|
void OnAssignSwapChain();
|
|
void OnUnassignedSwapChain();
|
|
|
|
NTSTATUS ParseMonitorDescription(
|
|
const IDARG_IN_PARSEMONITORDESCRIPTION* inArgs, IDARG_OUT_PARSEMONITORDESCRIPTION* outArgs);
|
|
NTSTATUS MonitorGetDefaultModes(
|
|
const IDARG_IN_GETDEFAULTDESCRIPTIONMODES* inArgs, IDARG_OUT_GETDEFAULTDESCRIPTIONMODES* outArgs);
|
|
NTSTATUS MonitorQueryTargetModes(
|
|
const IDARG_IN_QUERYTARGETMODES* inArgs, IDARG_OUT_QUERYTARGETMODES* outArgs);
|
|
|
|
void SetResolution(int width, int height);
|
|
|
|
size_t GetAlignSize() { return m_alignSize; }
|
|
size_t GetMaxFrameSize() { return m_maxFrameSize; }
|
|
|
|
struct PreparedFrameBuffer
|
|
{
|
|
unsigned frameIndex;
|
|
uint8_t* mem;
|
|
};
|
|
|
|
PreparedFrameBuffer PrepareFrameBuffer(int width, int height, int pitch, DXGI_FORMAT format);
|
|
void WriteFrameBuffer(unsigned frameIndex, void* src, size_t offset, size_t len, bool setWritePos);
|
|
void FinalizeFrameBuffer(unsigned frameIndex);
|
|
|
|
void SendCursor(const IDARG_OUT_QUERY_HWCURSOR & info, const BYTE * data);
|
|
|
|
CIVSHMEM &GetIVSHMEM() { return m_ivshmem; }
|
|
};
|
|
|
|
struct CIndirectDeviceContextWrapper
|
|
{
|
|
CIndirectDeviceContext* context;
|
|
|
|
void Cleanup()
|
|
{
|
|
delete context;
|
|
context = nullptr;
|
|
}
|
|
};
|
|
|
|
WDF_DECLARE_CONTEXT_TYPE(CIndirectDeviceContextWrapper); |