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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
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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
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@ -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;

82
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;
monitors = (_GLFWmonitor**) realloc(monitors, sizeof(_GLFWmonitor*) * size);
}
DISPLAY_DEVICEW display;
char* name;
HDC dc;
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 (!EnumDisplayDevicesW(adapter.DeviceName, displayIndex, &display, 0))
break;
if (adapter.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
primaryIndex = found;
if (found == size)
{
size += 4;
monitors = realloc(monitors, sizeof(_GLFWmonitor*) * size);
}
name = _glfwCreateUTF8FromWideString(display.DeviceString);
if (!name)
{
_glfwFreeMonitors(monitors, found);
_glfwInputError(GLFW_PLATFORM_ERROR,
"Failed to convert string to UTF-8");
free(monitors);
return NULL;
continue;
}
dc = CreateDCW(L"DISPLAY", adapter.DeviceName, NULL, NULL);
monitors[found] = _glfwAllocMonitor(name,
GetDeviceCaps(dc, HORZSIZE),
GetDeviceCaps(dc, VERTSIZE));
free(name);
DeleteDC(dc);
free(name);
wcscpy(monitors[found]->win32.name, adapter.DeviceName);
found++;
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]);
}
if (primaryIndex > 0)
{
_GLFWmonitor* temp = monitors[0];
monitors[0] = monitors[primaryIndex];
monitors[primaryIndex] = temp;
found++;
}
}
*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;

73
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)
{
output = primary;
break;
}
}
oi = XRRGetOutputInfo(_glfw.x11.display, sr, output);
XRROutputInfo* oi = XRRGetOutputInfo(_glfw.x11.display,
sr, ci->outputs[j]);
if (oi->connection != RR_Connected)
{
XRRFreeOutputInfo(oi);
XRRFreeCrtcInfo(ci);
continue;
}
monitors[found] = _glfwAllocMonitor(oi->name,
oi->mm_width, oi->mm_height);
if (found == size)
{
size += 4;
monitors = realloc(monitors, sizeof(_GLFWmonitor*) * size);
}
monitors[found]->x11.output = output;
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);
if (ci->outputs[j] == primary)
_GLFW_SWAP_POINTERS(monitors[0], monitors[found]);
found++;
}
XRRFreeScreenResources(sr);
XRRFreeCrtcInfo(ci);
}
for (i = 0; i < found; i++)
{
if (monitors[i]->x11.output == primary)
{
_GLFWmonitor* temp = monitors[0];
monitors[0] = monitors[i];
monitors[i] = temp;
break;
}
}
XRRFreeScreenResources(sr);
if (found == 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: RandR monitor support seems broken");
_glfw.x11.randr.monitorBroken = GL_TRUE;
free(monitors);
monitors = NULL;
}
}