mirror/glfw
1
0
Fork 0
mirror of https://github.com/glfw/glfw.git synced 2024-11-22 04:54:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

Enabled enumeration of mirroring displays.

Browse Source 
This exposes all monitors in every mirroring group, which is needed for
robust detection of an Oculus Rift.
This commit is contained in:
Camilla Berglund 2014-09-12 17:00:05 +02:00
parent 8fd69bc6c2
commit 1b6d8a6ed6
5 changed files with 101 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/GLFW/glfw3native.h
View File

@ -108,8 +108,8 @@ extern "C" {
*************************************************************************/
#if defined(GLFW_EXPOSE_NATIVE_WIN32)
/*! @brief Returns the device name of the specified monitor.
* @return The the device name of the specified monitor.
/*! @brief Returns the display device name of the specified monitor.
* @return The the display device name of the specified monitor.
* @ingroup native
*/
GLFWAPI const WCHAR* glfwGetWin32Monitor(GLFWmonitor* monitor);

14
src/cocoa_monitor.m
View File

@ -252,18 +252,26 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* count)
*count = 0;
CGGetActiveDisplayList(0, NULL, &displayCount);
CGGetOnlineDisplayList(0, NULL, &displayCount);
displays = calloc(displayCount, sizeof(CGDirectDisplayID));
monitors = calloc(displayCount, sizeof(_GLFWmonitor*));
CGGetActiveDisplayList(displayCount, displays, &displayCount);
CGGetOnlineDisplayList(displayCount, displays, &displayCount);
NSArray* screens = [NSScreen screens];
for (i = 0; i < displayCount; i++)
{
int j;
if (CGDisplayIsAsleep(displays[i]))
continue;
CGDirectDisplayID screenDisplayID = CGDisplayMirrorsDisplay(displays[i]);
if (screenDisplayID == kCGNullDirectDisplay)
screenDisplayID = displays[i];
const CGSize size = CGDisplayScreenSize(displays[i]);
char* name = getDisplayName(displays[i]);
@ -278,7 +286,7 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* count)
NSDictionary* dictionary = [screen deviceDescription];
NSNumber* number = [dictionary objectForKey:@"NSScreenNumber"];
if (monitors[found]->ns.displayID == [number unsignedIntegerValue])
if ([number unsignedIntegerValue] == screenDisplayID)
{
monitors[found]->ns.screen = screen;
break;

120
src/win32_monitor.c
View File

@ -70,7 +70,7 @@ GLboolean _glfwSetVideoMode(_GLFWmonitor* monitor, const GLFWvidmode* desired)
if (dm.dmBitsPerPel < 15 || dm.dmBitsPerPel >= 24)
dm.dmBitsPerPel = 32;
if (ChangeDisplaySettingsExW(monitor->win32.name,
if (ChangeDisplaySettingsExW(monitor->win32.adapterName,
&dm,
NULL,
CDS_FULLSCREEN,
@ -90,7 +90,7 @@ void _glfwRestoreVideoMode(_GLFWmonitor* monitor)
{
if (monitor->win32.modeChanged)
{
ChangeDisplaySettingsExW(monitor->win32.name,
ChangeDisplaySettingsExW(monitor->win32.adapterName,
NULL, NULL, CDS_FULLSCREEN, NULL);
monitor->win32.modeChanged = GL_FALSE;
}
@ -105,16 +105,13 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* count)
{
int size = 0, found = 0;
_GLFWmonitor** monitors = NULL;
DWORD adapterIndex = 0;
int primaryIndex = 0;
DWORD adapterIndex, displayIndex;
*count = 0;
for (;;)
for (adapterIndex = 0; ; adapterIndex++)
{
DISPLAY_DEVICEW adapter, display;
char* name;
HDC dc;
DISPLAY_DEVICEW adapter;
ZeroMemory(&adapter, sizeof(DISPLAY_DEVICEW));
adapter.cb = sizeof(DISPLAY_DEVICEW);
@ -122,60 +119,55 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* count)
if (!EnumDisplayDevicesW(NULL, adapterIndex, &adapter, 0))
break;
adapterIndex++;
if ((adapter.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) ||
!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
{
if (!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
continue;
}
if (found == size)
for (displayIndex = 0; ; displayIndex++)
{
if (size)
size *= 2;
else
size = 4;
DISPLAY_DEVICEW display;
char* name;
HDC dc;
monitors = (_GLFWmonitor**) realloc(monitors, sizeof(_GLFWmonitor*) * size);
ZeroMemory(&display, sizeof(DISPLAY_DEVICEW));
display.cb = sizeof(DISPLAY_DEVICEW);
if (!EnumDisplayDevicesW(adapter.DeviceName, displayIndex, &display, 0))
break;
if (found == size)
{
size += 4;
monitors = realloc(monitors, sizeof(_GLFWmonitor*) * size);
}
name = _glfwCreateUTF8FromWideString(display.DeviceString);
if (!name)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to convert string to UTF-8");
continue;
}
dc = CreateDCW(L"DISPLAY", adapter.DeviceName, NULL, NULL);
monitors[found] = _glfwAllocMonitor(name,
GetDeviceCaps(dc, HORZSIZE),
GetDeviceCaps(dc, VERTSIZE));
DeleteDC(dc);
free(name);
wcscpy(monitors[found]->win32.adapterName, adapter.DeviceName);
wcscpy(monitors[found]->win32.displayName, display.DeviceName);
if (adapter.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE &&
displayIndex == 0)
{
_GLFW_SWAP_POINTERS(monitors[0], monitors[found]);
}
found++;
}
ZeroMemory(&display, sizeof(DISPLAY_DEVICEW));
display.cb = sizeof(DISPLAY_DEVICEW);
EnumDisplayDevicesW(adapter.DeviceName, 0, &display, 0);
dc = CreateDCW(L"DISPLAY", adapter.DeviceName, NULL, NULL);
if (adapter.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
primaryIndex = found;
name = _glfwCreateUTF8FromWideString(display.DeviceString);
if (!name)
{
_glfwFreeMonitors(monitors, found);
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to convert string to UTF-8");
free(monitors);
return NULL;
}
monitors[found] = _glfwAllocMonitor(name,
GetDeviceCaps(dc, HORZSIZE),
GetDeviceCaps(dc, VERTSIZE));
free(name);
DeleteDC(dc);
wcscpy(monitors[found]->win32.name, adapter.DeviceName);
found++;
}
if (primaryIndex > 0)
{
_GLFWmonitor* temp = monitors[0];
monitors[0] = monitors[primaryIndex];
monitors[primaryIndex] = temp;
}
*count = found;
@ -184,7 +176,7 @@ _GLFWmonitor** _glfwPlatformGetMonitors(int* count)
GLboolean _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second)
{
return wcscmp(first->win32.name, second->win32.name) == 0;
return wcscmp(first->win32.displayName, second->win32.displayName) == 0;
}
void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
@ -193,7 +185,7 @@ void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
ZeroMemory(&settings, sizeof(DEVMODEW));
settings.dmSize = sizeof(DEVMODEW);
EnumDisplaySettingsExW(monitor->win32.name,
EnumDisplaySettingsExW(monitor->win32.adapterName,
ENUM_CURRENT_SETTINGS,
&settings,
EDS_ROTATEDMODE);
@ -220,7 +212,7 @@ GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
ZeroMemory(&dm, sizeof(DEVMODEW));
dm.dmSize = sizeof(DEVMODEW);
if (!EnumDisplaySettingsW(monitor->win32.name, modeIndex, &dm))
if (!EnumDisplaySettingsW(monitor->win32.adapterName, modeIndex, &dm))
break;
modeIndex++;
@ -275,7 +267,7 @@ void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
ZeroMemory(&dm, sizeof(DEVMODEW));
dm.dmSize = sizeof(DEVMODEW);
EnumDisplaySettingsW(monitor->win32.name, ENUM_CURRENT_SETTINGS, &dm);
EnumDisplaySettingsW(monitor->win32.adapterName, ENUM_CURRENT_SETTINGS, &dm);
mode->width = dm.dmPelsWidth;
mode->height = dm.dmPelsHeight;
@ -291,7 +283,7 @@ void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
HDC dc;
WORD values[768];
dc = CreateDCW(L"DISPLAY", monitor->win32.name, NULL, NULL);
dc = CreateDCW(L"DISPLAY", monitor->win32.adapterName, NULL, NULL);
GetDeviceGammaRamp(dc, values);
DeleteDC(dc);
@ -318,7 +310,7 @@ void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
memcpy(values + 256, ramp->green, 256 * sizeof(unsigned short));
memcpy(values + 512, ramp->blue, 256 * sizeof(unsigned short));
dc = CreateDCW(L"DISPLAY", monitor->win32.name, NULL, NULL);
dc = CreateDCW(L"DISPLAY", monitor->win32.adapterName, NULL, NULL);
SetDeviceGammaRamp(dc, values);
DeleteDC(dc);
}
@ -332,6 +324,6 @@ GLFWAPI const WCHAR* glfwGetWin32Monitor(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
return monitor->win32.name;
return monitor->win32.displayName;
}

3
src/win32_platform.h
View File

@ -203,7 +203,8 @@ typedef struct _GLFWlibraryWin32
typedef struct _GLFWmonitorWin32
{
// This size matches the static size of DISPLAY_DEVICE.DeviceName
WCHAR name[32];
WCHAR adapterName[32];
WCHAR displayName[32];
GLboolean modeChanged;
} _GLFWmonitorWin32;

83
src/x11_monitor.c
View File

@ -200,87 +200,64 @@ void _glfwRestoreVideoMode(_GLFWmonitor* monitor)
_GLFWmonitor** _glfwPlatformGetMonitors(int* count)
{
int i, found = 0;
int i, j, size = 0, found = 0;
_GLFWmonitor** monitors = NULL;
*count = 0;
if (_glfw.x11.randr.available)
{
RROutput primary;
XRRScreenResources* sr;
sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root);
primary = XRRGetOutputPrimary(_glfw.x11.display, _glfw.x11.root);
monitors = calloc(sr->ncrtc, sizeof(_GLFWmonitor*));
XRRScreenResources* sr = XRRGetScreenResources(_glfw.x11.display,
_glfw.x11.root);
RROutput primary = XRRGetOutputPrimary(_glfw.x11.display,
_glfw.x11.root);
for (i = 0; i < sr->ncrtc; i++)
{
int j;
XRROutputInfo* oi;
XRRCrtcInfo* ci;
RROutput output;
ci = XRRGetCrtcInfo(_glfw.x11.display, sr, sr->crtcs[i]);
if (ci->noutput == 0)
{
XRRFreeCrtcInfo(ci);
continue;
}
output = ci->outputs[0];
XRRCrtcInfo* ci = XRRGetCrtcInfo(_glfw.x11.display,
sr, sr->crtcs[i]);
for (j = 0; j < ci->noutput; j++)
{
if (ci->outputs[j] == primary)
XRROutputInfo* oi = XRRGetOutputInfo(_glfw.x11.display,
sr, ci->outputs[j]);
if (oi->connection != RR_Connected)
{
output = primary;
break;
XRRFreeOutputInfo(oi);
continue;
}
}
oi = XRRGetOutputInfo(_glfw.x11.display, sr, output);
if (oi->connection != RR_Connected)
{
if (found == size)
{
size += 4;
monitors = realloc(monitors, sizeof(_GLFWmonitor*) * size);
}
monitors[found] = _glfwAllocMonitor(oi->name,
oi->mm_width,
oi->mm_height);
monitors[found]->x11.output = ci->outputs[j];
monitors[found]->x11.crtc = oi->crtc;
XRRFreeOutputInfo(oi);
XRRFreeCrtcInfo(ci);
continue;
if (ci->outputs[j] == primary)
_GLFW_SWAP_POINTERS(monitors[0], monitors[found]);
found++;
}
monitors[found] = _glfwAllocMonitor(oi->name,
oi->mm_width, oi->mm_height);
monitors[found]->x11.output = output;
monitors[found]->x11.crtc = oi->crtc;
XRRFreeOutputInfo(oi);
XRRFreeCrtcInfo(ci);
found++;
}
XRRFreeScreenResources(sr);
for (i = 0; i < found; i++)
{
if (monitors[i]->x11.output == primary)
{
_GLFWmonitor* temp = monitors[0];
monitors[0] = monitors[i];
monitors[i] = temp;
break;
}
}
if (found == 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: RandR monitor support seems broken");
_glfw.x11.randr.monitorBroken = GL_TRUE;
free(monitors);
monitors = NULL;
}
}