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get display DPI info to scale mouse movement

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This commit is contained in:
Quantum
2021-01-04 16:01:24 -05:00
committed by Geoffrey McRae
parent 0bd5f0b2f1
commit 7e4d323427
10 changed files with 123 additions and 36 deletions
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15
host/platform/Windows/capture/NVFBC/src/nvfbc.c
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@@ -25,6 +25,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "common/framebuffer.h"
#include "common/event.h"
#include "common/thread.h"
#include "common/dpi.h"
#include <assert.h>
#include <stdlib.h>
#include <windows.h>
@@ -44,6 +45,7 @@ struct iface
unsigned int maxWidth , maxHeight;
unsigned int width , height;
unsigned int dpi;
unsigned int formatVer;
unsigned int grabWidth, grabHeight, grabStride;
@@ -65,7 +67,7 @@ static struct iface * this = NULL;
static void nvfbc_free();
static int pointerThread(void * unused);
static void getDesktopSize(unsigned int * width, unsigned int * height)
static void getDesktopSize(unsigned int * width, unsigned int * height, unsigned int * dpi)
{
HMONITOR monitor = MonitorFromWindow(GetDesktopWindow(), MONITOR_DEFAULTTOPRIMARY);
MONITORINFO monitorInfo = {
@@ -73,6 +75,7 @@ static void getDesktopSize(unsigned int * width, unsigned int * height)
};
GetMonitorInfo(monitor, &monitorInfo);
*dpi = monitor_dpi(monitor);
CloseHandle(monitor);
*width = monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left;
@@ -163,7 +166,7 @@ static bool nvfbc_create(
static bool nvfbc_init()
{
this->stop = false;
getDesktopSize(&this->width, &this->height);
getDesktopSize(&this->width, &this->height, &this->dpi);
lgResetEvent(this->frameEvent);
HANDLE event;
@@ -245,9 +248,14 @@ static unsigned int nvfbc_getMaxFrameSize()
return this->maxWidth * this->maxHeight * 4;
}
static unsigned int nvfbc_getMouseScale()
{
return this->dpi * 100 / DPI_100_PERCENT;
}
static CaptureResult nvfbc_capture()
{
getDesktopSize(&this->width, &this->height);
getDesktopSize(&this->width, &this->height, &this->dpi);
NvFBCFrameGrabInfo grabInfo;
CaptureResult result = NvFBCToSysCapture(
this->nvfbc,
@@ -397,6 +405,7 @@ struct CaptureInterface Capture_NVFBC =
.deinit = nvfbc_deinit,
.free = nvfbc_free,
.getMaxFrameSize = nvfbc_getMaxFrameSize,
.getMouseScale = nvfbc_getMouseScale,
.capture = nvfbc_capture,
.waitFrame = nvfbc_waitFrame,
.getFrame = nvfbc_getFrame