chromium/third_party/dawn/third_party/glfw/src/monitor.c

//========================================================================
// GLFW 3.5 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2019 Camilla Löwy <[email protected]>
//
// 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 <assert.h>
#include <math.h>
#include <float.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>


// Lexically compare video modes, used by qsort
//
static int compareVideoModes(const void* fp, const void* sp)
{ … }

// Retrieves the available modes for the specified monitor
//
static GLFWbool refreshVideoModes(_GLFWmonitor* monitor)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                         GLFW event API                       //////
//////////////////////////////////////////////////////////////////////////

// Notifies shared code of a monitor connection or disconnection
//
void _glfwInputMonitor(_GLFWmonitor* monitor, int action, int placement)
{ … }

// Notifies shared code that a full screen window has acquired or released
// a monitor
//
void _glfwInputMonitorWindow(_GLFWmonitor* monitor, _GLFWwindow* window)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                       GLFW internal API                      //////
//////////////////////////////////////////////////////////////////////////

// Allocates and returns a monitor object with the specified name and dimensions
//
_GLFWmonitor* _glfwAllocMonitor(const char* name, int widthMM, int heightMM)
{ … }

// Frees a monitor object and any data associated with it
//
void _glfwFreeMonitor(_GLFWmonitor* monitor)
{ … }

// Allocates red, green and blue value arrays of the specified size
//
void _glfwAllocGammaArrays(GLFWgammaramp* ramp, unsigned int size)
{ … }

// Frees the red, green and blue value arrays and clears the struct
//
void _glfwFreeGammaArrays(GLFWgammaramp* ramp)
{ … }

// Chooses the video mode most closely matching the desired one
//
const GLFWvidmode* _glfwChooseVideoMode(_GLFWmonitor* monitor,
                                        const GLFWvidmode* desired)
{ … }

// Performs lexical comparison between two @ref GLFWvidmode structures
//
int _glfwCompareVideoModes(const GLFWvidmode* fm, const GLFWvidmode* sm)
{ … }

// Splits a color depth into red, green and blue bit depths
//
void _glfwSplitBPP(int bpp, int* red, int* green, int* blue)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                        GLFW public API                       //////
//////////////////////////////////////////////////////////////////////////

GLFWAPI GLFWmonitor** glfwGetMonitors(int* count)
{ … }

GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void)
{ … }

GLFWAPI void glfwGetMonitorPos(GLFWmonitor* handle, int* xpos, int* ypos)
{ … }

GLFWAPI void glfwGetMonitorWorkarea(GLFWmonitor* handle,
                                    int* xpos, int* ypos,
                                    int* width, int* height)
{ … }

GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* handle, int* widthMM, int* heightMM)
{ … }

GLFWAPI void glfwGetMonitorContentScale(GLFWmonitor* handle,
                                        float* xscale, float* yscale)
{ … }

GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* handle)
{ … }

GLFWAPI void glfwSetMonitorUserPointer(GLFWmonitor* handle, void* pointer)
{ … }

GLFWAPI void* glfwGetMonitorUserPointer(GLFWmonitor* handle)
{ … }

GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun)
{ … }

GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* handle, int* count)
{ … }

GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* handle)
{ … }

GLFWAPI void glfwSetGamma(GLFWmonitor* handle, float gamma)
{ … }

GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* handle)
{ … }

GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
{ … }