mirror of
https://github.com/glfw/glfw.git
synced 2024-11-23 10:35:10 +00:00
85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
//========================================================================
|
|
// GLFW 3.1 OS X - www.glfw.org
|
|
//------------------------------------------------------------------------
|
|
// Copyright (c) 2010 Camilla Berglund <elmindreda@elmindreda.org>
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would
|
|
// be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not
|
|
// be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source
|
|
// distribution.
|
|
//
|
|
//========================================================================
|
|
|
|
#include "internal.h"
|
|
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <ApplicationServices/ApplicationServices.h>
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW platform API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
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);
|
|
}
|
|
|
|
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
|
|
{
|
|
int i;
|
|
CGGammaValue* values = calloc(ramp->size * 3, sizeof(CGGammaValue));
|
|
|
|
for (i = 0; i < ramp->size; i++)
|
|
{
|
|
values[i] = ramp->red[i] / 65535.f;
|
|
values[i + ramp->size] = ramp->green[i] / 65535.f;
|
|
values[i + ramp->size * 2] = ramp->blue[i] / 65535.f;
|
|
}
|
|
|
|
CGSetDisplayTransferByTable(monitor->ns.displayID,
|
|
ramp->size,
|
|
values,
|
|
values + ramp->size,
|
|
values + ramp->size * 2);
|
|
|
|
free(values);
|
|
}
|
|
|