void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) { if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken) { const size_t size = XRRGetCrtcGammaSize(_glfw.x11.display, monitor->x11.crtc); XRRCrtcGamma* gamma = XRRGetCrtcGamma(_glfw.x11.display, monitor->x11.crtc); _glfwAllocGammaArrays(ramp, size); memcpy(ramp->red, gamma->red, size * sizeof(unsigned short)); memcpy(ramp->green, gamma->green, size * sizeof(unsigned short)); memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short)); XRRFreeGamma(gamma); } #if defined(_GLFW_HAS_XF86VM) else if (_glfw.x11.vidmode.available) { int size; XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size); _glfwAllocGammaArrays(ramp, size); XF86VidModeGetGammaRamp(_glfw.x11.display, _glfw.x11.screen, ramp->size, ramp->red, ramp->green, ramp->blue); } #endif /*_GLFW_HAS_XF86VM*/ }
GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) { if (_glfw.x11.randr.available && !_glfw.x11.randr.gammaBroken) { const size_t size = XRRGetCrtcGammaSize(_glfw.x11.display, monitor->x11.crtc); XRRCrtcGamma* gamma = XRRGetCrtcGamma(_glfw.x11.display, monitor->x11.crtc); _glfwAllocGammaArrays(ramp, size); memcpy(ramp->red, gamma->red, size * sizeof(unsigned short)); memcpy(ramp->green, gamma->green, size * sizeof(unsigned short)); memcpy(ramp->blue, gamma->blue, size * sizeof(unsigned short)); XRRFreeGamma(gamma); return GLFW_TRUE; } else if (_glfw.x11.vidmode.available) { int size; XF86VidModeGetGammaRampSize(_glfw.x11.display, _glfw.x11.screen, &size); _glfwAllocGammaArrays(ramp, size); XF86VidModeGetGammaRamp(_glfw.x11.display, _glfw.x11.screen, ramp->size, ramp->red, ramp->green, ramp->blue); return GLFW_TRUE; } else { _glfwInputError(GLFW_PLATFORM_ERROR, "X11: Gamma ramp access not supported by server"); return GLFW_FALSE; } }
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) { HDC dc; WORD values[768]; dc = CreateDCW(L"DISPLAY", monitor->win32.adapterName, NULL, NULL); GetDeviceGammaRamp(dc, values); DeleteDC(dc); _glfwAllocGammaArrays(ramp, 256); memcpy(ramp->red, values + 0, 256 * sizeof(unsigned short)); memcpy(ramp->green, values + 256, 256 * sizeof(unsigned short)); memcpy(ramp->blue, values + 512, 256 * sizeof(unsigned short)); }
void _glfwPlatformGetGammaRamp(_GLFWmonitor *monitor, GLFWgammaramp *ramp) { HDC dc; WORD values[768]; DISPLAY_DEVICE display; ZeroMemory(&display, sizeof(DISPLAY_DEVICE)); display.cb = sizeof(DISPLAY_DEVICE); EnumDisplayDevices(monitor->win32.name, 0, &display, 0); dc = CreateDC(L"DISPLAY", display.DeviceString, NULL, NULL); GetDeviceGammaRamp(dc, values); DeleteDC(dc); _glfwAllocGammaArrays(ramp, 256); memcpy(ramp->red, values + 0, 256 * sizeof(unsigned short)); memcpy(ramp->green, values + 256, 256 * sizeof(unsigned short)); memcpy(ramp->blue, values + 512, 256 * sizeof(unsigned short)); }
void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) { uint32_t i, size = CGDisplayGammaTableCapacity(monitor->ns.displayID); CGGammaValue* values = calloc(size * 3, sizeof(CGGammaValue)); CGGetDisplayTransferByTable(monitor->ns.displayID, size, values, values + size, values + size * 2, &size); _glfwAllocGammaArrays(ramp, size); for (i = 0; i < size; i++) { ramp->red[i] = (unsigned short) (values[i] * 65535); ramp->green[i] = (unsigned short) (values[i + size] * 65535); ramp->blue[i] = (unsigned short) (values[i + size * 2] * 65535); } free(values); }