253 lines
11 KiB
C++
253 lines
11 KiB
C++
|
/************************************************************************************************************************************\
|
|||
|
|
|* *|
|
|||
|
|
|* Copyright <EFBFBD> 2012 NVIDIA Corporation. All rights reserved. *|
|
|||
|
|
|* *|
|
|||
|
|
|* NOTICE TO USER: *|
|
|||
|
|
|* *|
|
|||
|
|
|* This software is subject to NVIDIA ownership rights under U.S. and international Copyright laws. *|
|
|||
|
|
|* *|
|
|||
|
|
|* This software and the information contained herein are PROPRIETARY and CONFIDENTIAL to NVIDIA *|
|
|||
|
|
|* and are being provided solely under the terms and conditions of an NVIDIA software license agreement *|
|
|||
|
|
|* and / or non-disclosure agreement. Otherwise, you have no rights to use or access this software in any manner. *|
|
|||
|
|
|* *|
|
|||
|
|
|* If not covered by the applicable NVIDIA software license agreement: *|
|
|||
|
|
|* NVIDIA MAKES NO REPRESENTATION ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. *|
|
|||
|
|
|* IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. *|
|
|||
|
|
|* NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, *|
|
|||
|
|
|* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE. *|
|
|||
|
|
|* IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, *|
|
|||
|
|
|* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, *|
|
|||
|
|
|* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE. *|
|
|||
|
|
|* *|
|
|||
|
|
|* U.S. Government End Users. *|
|
|||
|
|
|* This software is a "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *|
|
|||
|
|
|* consisting of "commercial computer software" and "commercial computer software documentation" *|
|
|||
|
|
|* as such terms are used in 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government only as a commercial end item. *|
|
|||
|
|
|* Consistent with 48 C.F.R.12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *|
|
|||
|
|
|* all U.S. Government End Users acquire the software with only those rights set forth herein. *|
|
|||
|
|
|* *|
|
|||
|
|
|* Any use of this software in individual and commercial software must include, *|
|
|||
|
|
|* in the user documentation and internal comments to the code, *|
|
|||
|
|
|* the above Disclaimer (as applicable) and U.S. Government End Users Notice. *|
|
|||
|
|
|* *|
|
|||
|
|
\************************************************************************************************************************************/
|
|||
|
|
|
|||
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|||
|
|
// @brief: This is the entry point for the console application.
|
|||
|
|
// This program applies a fixed custom resolution to the attached monitor
|
|||
|
|
// It applies the custom settings each active display in the following sequence:
|
|||
|
|
// NvAPI_DISP_TryCustomDisplay... Wait for 5 seconds
|
|||
|
|
// NvAPI_DISP_SaveCustomDisplay... Wait for 5 seconds
|
|||
|
|
// NvAPI_DISP_RevertCustomDisplay... Wait for 5 seconds
|
|||
|
|
//
|
|||
|
|
// @assumptions: This code is designed for Win7+ operating systems. It assumes that
|
|||
|
|
// the system has atleast one active display.
|
|||
|
|
//
|
|||
|
|
// @driver support: R313+
|
|||
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|||
|
|
|
|||
|
|
#include "stdafx.h"
|
|||
|
|
#include "targetver.h"
|
|||
|
|
#include <windows.h>
|
|||
|
|
#include <tchar.h>
|
|||
|
|
#include "nvapi.h"
|
|||
|
|
|
|||
|
|
// This function applies the loaded custom timings on all available displays
|
|||
|
|
NvAPI_Status ApplyCustomDisplay();
|
|||
|
|
|
|||
|
|
// This function enumerates the display Ids of all the connected displays
|
|||
|
|
NvAPI_Status GetConnectedDisplays(NvU32 *displayIds, NvU32 *noDisplays);
|
|||
|
|
|
|||
|
|
// This function applies custom display settings, saves them and reverts back.
|
|||
|
|
void loadCustomDisplay(NV_CUSTOM_DISPLAY *customDisplay);
|
|||
|
|
|
|||
|
|
int _tmain(int argc, _TCHAR* argv[])
|
|||
|
|
{
|
|||
|
|
NvAPI_Status ret = NVAPI_OK;
|
|||
|
|
|
|||
|
|
ret = NvAPI_Initialize();
|
|||
|
|
if(ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
printf("NvAPI_Initialize() failed = 0x%x", ret);
|
|||
|
|
return 1; // Initialization failed
|
|||
|
|
}
|
|||
|
|
for(NvU32 q = 0; q < 50; q++)printf("/");
|
|||
|
|
printf("\n");
|
|||
|
|
|
|||
|
|
ret = ApplyCustomDisplay();
|
|||
|
|
if(ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
getchar();
|
|||
|
|
return 1; // Failed to apply custom display
|
|||
|
|
}
|
|||
|
|
printf("\n");
|
|||
|
|
|
|||
|
|
for(NvU32 q = 0; q < 50; q++)printf("/");
|
|||
|
|
printf("\n");
|
|||
|
|
|
|||
|
|
printf("\nCustom_Timing successful!\nPress any key to exit...\n");
|
|||
|
|
getchar();
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
void loadCustomDisplay(NV_CUSTOM_DISPLAY *cd)
|
|||
|
|
{
|
|||
|
|
cd->version = NV_CUSTOM_DISPLAY_VER;
|
|||
|
|
cd->width = 1024;
|
|||
|
|
cd->height = 999;
|
|||
|
|
cd->depth = 32;
|
|||
|
|
cd->colorFormat = NV_FORMAT_A8R8G8B8;
|
|||
|
|
cd->srcPartition.x = 0;
|
|||
|
|
cd->srcPartition.y = 0;
|
|||
|
|
cd->srcPartition.w = 1;
|
|||
|
|
cd->srcPartition.h = 1;
|
|||
|
|
cd->xRatio = 1;
|
|||
|
|
cd->yRatio = 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
NvAPI_Status GetConnectedDisplays(NvU32 *displayIds, NvU32 *noDisplays)
|
|||
|
|
{
|
|||
|
|
NvAPI_Status ret = NVAPI_OK;
|
|||
|
|
|
|||
|
|
NvPhysicalGpuHandle nvGPUHandle[NVAPI_MAX_PHYSICAL_GPUS] = {0};
|
|||
|
|
NvU32 gpuCount = 0;
|
|||
|
|
NvU32 noDisplay = 0;
|
|||
|
|
|
|||
|
|
// Get all the Physical GPU Handles
|
|||
|
|
ret = NvAPI_EnumPhysicalGPUs(nvGPUHandle, &gpuCount);
|
|||
|
|
if(ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
return ret;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for(NvU32 Count = 0; Count < gpuCount; Count++) // iterating per Physical GPU Handle call
|
|||
|
|
{
|
|||
|
|
NvU32 dispIdCount = 0;
|
|||
|
|
// First call to get the no. of displays connected by passing NULL
|
|||
|
|
if(NvAPI_GPU_GetConnectedDisplayIds(nvGPUHandle[Count], NULL, &dispIdCount, 0) != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
return NVAPI_ERROR;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(dispIdCount > 0) // If no. of displays connected > 0 we can proceed to check if its active
|
|||
|
|
{
|
|||
|
|
// alocations for the display ids
|
|||
|
|
NV_GPU_DISPLAYIDS *dispIds = (NV_GPU_DISPLAYIDS *)malloc( sizeof(NV_GPU_DISPLAYIDS)*dispIdCount );
|
|||
|
|
|
|||
|
|
for(NvU32 dispIndex = 0; dispIndex < dispIdCount; dispIndex++)
|
|||
|
|
dispIds[dispIndex].version = NV_GPU_DISPLAYIDS_VER; // adding the correct version information
|
|||
|
|
|
|||
|
|
// second call to get the display ids
|
|||
|
|
if(NvAPI_GPU_GetConnectedDisplayIds(nvGPUHandle[Count], dispIds, &dispIdCount, 0) != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
return NVAPI_ERROR;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for(NvU32 dispIndex = 0; dispIndex < dispIdCount; dispIndex++)
|
|||
|
|
{
|
|||
|
|
displayIds[noDisplay] = dispIds[dispIndex].displayId;
|
|||
|
|
noDisplay++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
*noDisplays = noDisplay;
|
|||
|
|
|
|||
|
|
return ret;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
NvAPI_Status ApplyCustomDisplay()
|
|||
|
|
{
|
|||
|
|
NvAPI_Status ret = NVAPI_OK;
|
|||
|
|
NvU32 noDisplays = 0;
|
|||
|
|
|
|||
|
|
NvDisplayHandle hNvDisplay[NVAPI_MAX_DISPLAYS] = {0};
|
|||
|
|
|
|||
|
|
NvU32 displayIds[NVAPI_MAX_DISPLAYS] = {0};
|
|||
|
|
|
|||
|
|
ret = GetConnectedDisplays(&displayIds[0],&noDisplays);
|
|||
|
|
if(ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
printf("\nCall to GetConnectedDisplays() failed");
|
|||
|
|
return ret;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
printf("\nNumber of Displays in the system = %2d",noDisplays);
|
|||
|
|
|
|||
|
|
NV_CUSTOM_DISPLAY cd[NVAPI_MAX_DISPLAYS] = {0};
|
|||
|
|
|
|||
|
|
float rr = 60;
|
|||
|
|
|
|||
|
|
//timing computation (to get timing that suits the changes made)
|
|||
|
|
NV_TIMING_FLAG flag = {0};
|
|||
|
|
|
|||
|
|
NV_TIMING_INPUT timing = {0};
|
|||
|
|
|
|||
|
|
timing.version = NV_TIMING_INPUT_VER;
|
|||
|
|
|
|||
|
|
for (NvU32 count = 0; count < noDisplays; count++)
|
|||
|
|
{
|
|||
|
|
//Load the NV_CUSTOM_DISPLAY structure with data from XML file
|
|||
|
|
loadCustomDisplay(&cd[count]);
|
|||
|
|
|
|||
|
|
timing.height = cd[count].height;
|
|||
|
|
timing.width = cd[count].width;
|
|||
|
|
timing.rr = rr;
|
|||
|
|
|
|||
|
|
timing.flag = flag;
|
|||
|
|
timing.type = NV_TIMING_OVERRIDE_AUTO;
|
|||
|
|
|
|||
|
|
ret = NvAPI_DISP_GetTiming( displayIds[0], &timing, &cd[count].timing);
|
|||
|
|
|
|||
|
|
if ( ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
printf("NvAPI_DISP_GetTiming() failed = %d\n", ret); //failed to get custom display timing
|
|||
|
|
return ret;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
printf("\nCustom Timing to be tried: ");
|
|||
|
|
printf("%d X %d @ %0.2f hz",cd[0].width,cd[0].height,rr);
|
|||
|
|
|
|||
|
|
printf("\nNvAPI_DISP_TryCustomDisplay()");
|
|||
|
|
|
|||
|
|
ret = NvAPI_DISP_TryCustomDisplay(&displayIds[0],noDisplays, &cd[0]); // trying to set custom display
|
|||
|
|
if ( ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
printf("NvAPI_DISP_TryCustomDisplay() failed = %d", ret); //failed to set custom display
|
|||
|
|
return ret;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
printf(".....Success!\n");
|
|||
|
|
Sleep(5000);
|
|||
|
|
|
|||
|
|
printf("NvAPI_DISP_SaveCustomDisplay()");
|
|||
|
|
|
|||
|
|
ret = NvAPI_DISP_SaveCustomDisplay(&displayIds[0],noDisplays, true, true);
|
|||
|
|
if ( ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
printf("NvAPI_DISP_SaveCustomDisplay() failed = %d", ret); //failed to save custom display
|
|||
|
|
return ret;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
printf(".....Success!\n");
|
|||
|
|
|
|||
|
|
Sleep(5000);
|
|||
|
|
|
|||
|
|
printf("NvAPI_DISP_RevertCustomDisplayTrial()");
|
|||
|
|
|
|||
|
|
// Revert the new custom display settings tried.
|
|||
|
|
ret = NvAPI_DISP_RevertCustomDisplayTrial(&displayIds[0],1);
|
|||
|
|
if ( ret != NVAPI_OK)
|
|||
|
|
{
|
|||
|
|
printf("NvAPI_DISP_RevertCustomDisplayTrial() failed = %d", ret); //failed to revert custom display trail
|
|||
|
|
return ret;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
printf(".....Success!");
|
|||
|
|
Sleep(5000);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return ret; // Custom Display.
|
|||
|
|
}
|