Squashed 'deps/nostalgia/' content from commit 9cb6bd4a
git-subtree-dir: deps/nostalgia git-subtree-split: 9cb6bd4a32e9f39a858f72443ff5c6d40489fe22
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231
deps/glfw/src/wl_monitor.c
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deps/glfw/src/wl_monitor.c
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//========================================================================
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// GLFW 3.3 Wayland - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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// It is fine to use C99 in this file because it will not be built with VS
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//========================================================================
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#include "internal.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <math.h>
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static void outputHandleGeometry(void* data,
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struct wl_output* output,
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int32_t x,
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int32_t y,
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int32_t physicalWidth,
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int32_t physicalHeight,
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int32_t subpixel,
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const char* make,
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const char* model,
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int32_t transform)
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{
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struct _GLFWmonitor *monitor = data;
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monitor->wl.x = x;
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monitor->wl.y = y;
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monitor->widthMM = physicalWidth;
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monitor->heightMM = physicalHeight;
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snprintf(monitor->name, sizeof(monitor->name), "%s %s", make, model);
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}
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static void outputHandleMode(void* data,
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struct wl_output* output,
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uint32_t flags,
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int32_t width,
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int32_t height,
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int32_t refresh)
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{
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struct _GLFWmonitor *monitor = data;
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GLFWvidmode mode;
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mode.width = width;
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mode.height = height;
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mode.redBits = 8;
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mode.greenBits = 8;
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mode.blueBits = 8;
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mode.refreshRate = (int) round(refresh / 1000.0);
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monitor->modeCount++;
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monitor->modes =
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realloc(monitor->modes, monitor->modeCount * sizeof(GLFWvidmode));
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monitor->modes[monitor->modeCount - 1] = mode;
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if (flags & WL_OUTPUT_MODE_CURRENT)
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monitor->wl.currentMode = monitor->modeCount - 1;
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}
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static void outputHandleDone(void* data, struct wl_output* output)
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{
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struct _GLFWmonitor *monitor = data;
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if (monitor->widthMM <= 0 || monitor->heightMM <= 0)
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{
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// If Wayland does not provide a physical size, assume the default 96 DPI
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const GLFWvidmode* mode = &monitor->modes[monitor->wl.currentMode];
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monitor->widthMM = (int) (mode->width * 25.4f / 96.f);
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monitor->heightMM = (int) (mode->height * 25.4f / 96.f);
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}
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_glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST);
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}
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static void outputHandleScale(void* data,
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struct wl_output* output,
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int32_t factor)
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{
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struct _GLFWmonitor *monitor = data;
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monitor->wl.scale = factor;
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}
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static const struct wl_output_listener outputListener = {
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outputHandleGeometry,
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outputHandleMode,
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outputHandleDone,
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outputHandleScale,
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};
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwAddOutputWayland(uint32_t name, uint32_t version)
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{
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_GLFWmonitor *monitor;
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struct wl_output *output;
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if (version < 2)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Unsupported output interface version");
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return;
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}
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// The actual name of this output will be set in the geometry handler.
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monitor = _glfwAllocMonitor("", 0, 0);
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output = wl_registry_bind(_glfw.wl.registry,
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name,
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&wl_output_interface,
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2);
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if (!output)
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{
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_glfwFreeMonitor(monitor);
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return;
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}
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monitor->wl.scale = 1;
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monitor->wl.output = output;
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monitor->wl.name = name;
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wl_output_add_listener(output, &outputListener, monitor);
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwPlatformFreeMonitor(_GLFWmonitor* monitor)
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{
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if (monitor->wl.output)
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wl_output_destroy(monitor->wl.output);
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}
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void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
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{
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if (xpos)
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*xpos = monitor->wl.x;
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if (ypos)
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*ypos = monitor->wl.y;
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}
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void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor,
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float* xscale, float* yscale)
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{
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if (xscale)
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*xscale = (float) monitor->wl.scale;
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if (yscale)
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*yscale = (float) monitor->wl.scale;
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}
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void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor,
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int* xpos, int* ypos,
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int* width, int* height)
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{
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if (xpos)
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*xpos = monitor->wl.x;
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if (ypos)
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*ypos = monitor->wl.y;
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if (width)
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*width = monitor->modes[monitor->wl.currentMode].width;
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if (height)
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*height = monitor->modes[monitor->wl.currentMode].height;
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}
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GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
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{
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*found = monitor->modeCount;
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return monitor->modes;
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}
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void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
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{
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*mode = monitor->modes[monitor->wl.currentMode];
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}
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GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Gamma ramp access is not available");
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return GLFW_FALSE;
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}
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void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor,
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const GLFWgammaramp* ramp)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Gamma ramp access is not available");
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW native API //////
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//////////////////////////////////////////////////////////////////////////
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GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* handle)
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{
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_GLFWmonitor* monitor = (_GLFWmonitor*) handle;
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_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
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return monitor->wl.output;
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}
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