GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
assert(monitor != NULL);
assert(ramp != NULL);
assert(ramp->size > 0);
assert(ramp->red != NULL);
assert(ramp->green != NULL);
assert(ramp->blue != NULL);
if (ramp->size <= 0)
{
_glfwInputError(GLFW_INVALID_VALUE,
"Invalid gamma ramp size %i",
ramp->size);
return;
}
_GLFW_REQUIRE_INIT();
if (!monitor->originalRamp.size)
_glfwPlatformGetGammaRamp(monitor, &monitor->originalRamp);
_glfwPlatformSetGammaRamp(monitor, ramp);
}
int _glfwPlatformInit(void)
{
// To make SetForegroundWindow work as we want, we need to fiddle
// with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early
// as possible in the hope of still being the foreground process)
SystemParametersInfo(SPI_GETFOREGROUNDLOCKTIMEOUT, 0,
&_glfw.win32.foregroundLockTimeout, 0);
SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(0),
SPIF_SENDCHANGE);
if (!initLibraries())
return GL_FALSE;
#ifdef __BORLANDC__
// With the Borland C++ compiler, we want to disable FPU exceptions
// (this is recommended for OpenGL applications under Windows)
_control87(MCW_EM, MCW_EM);
#endif
_glfw.win32.instance = GetModuleHandle(NULL);
// Save the original gamma ramp
_glfw.originalRampSize = 256;
_glfwPlatformGetGammaRamp(&_glfw.originalRamp);
_glfw.currentRamp = _glfw.originalRamp;
if (!_glfwInitOpenGL())
return GL_FALSE;
_glfwInitTimer();
_glfwInitJoysticks();
return GL_TRUE;
}
GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT();
if (!monitor->originalRamp.size)
_glfwPlatformGetGammaRamp(monitor, &monitor->originalRamp);
_glfwPlatformSetGammaRamp(monitor, ramp);
}
GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* handle)
{
_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
_glfwFreeGammaArrays(&monitor->currentRamp);
_glfwPlatformGetGammaRamp(monitor, &monitor->currentRamp);
return &monitor->currentRamp;
}
