wl_monitor.c (7027B)
1 //======================================================================== 2 // GLFW 3.4 Wayland - www.glfw.org 3 //------------------------------------------------------------------------ 4 // Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com> 5 // 6 // This software is provided 'as-is', without any express or implied 7 // warranty. In no event will the authors be held liable for any damages 8 // arising from the use of this software. 9 // 10 // Permission is granted to anyone to use this software for any purpose, 11 // including commercial applications, and to alter it and redistribute it 12 // freely, subject to the following restrictions: 13 // 14 // 1. The origin of this software must not be misrepresented; you must not 15 // claim that you wrote the original software. If you use this software 16 // in a product, an acknowledgment in the product documentation would 17 // be appreciated but is not required. 18 // 19 // 2. Altered source versions must be plainly marked as such, and must not 20 // be misrepresented as being the original software. 21 // 22 // 3. This notice may not be removed or altered from any source 23 // distribution. 24 // 25 //======================================================================== 26 // It is fine to use C99 in this file because it will not be built with VS 27 //======================================================================== 28 29 #include "internal.h" 30 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <errno.h> 35 #include <math.h> 36 37 38 static void outputHandleGeometry(void* data, 39 struct wl_output* output, 40 int32_t x, 41 int32_t y, 42 int32_t physicalWidth, 43 int32_t physicalHeight, 44 int32_t subpixel, 45 const char* make, 46 const char* model, 47 int32_t transform) 48 { 49 struct _GLFWmonitor *monitor = data; 50 char name[1024]; 51 52 monitor->wl.x = x; 53 monitor->wl.y = y; 54 monitor->widthMM = physicalWidth; 55 monitor->heightMM = physicalHeight; 56 57 snprintf(name, sizeof(name), "%s %s", make, model); 58 monitor->name = _glfw_strdup(name); 59 } 60 61 static void outputHandleMode(void* data, 62 struct wl_output* output, 63 uint32_t flags, 64 int32_t width, 65 int32_t height, 66 int32_t refresh) 67 { 68 struct _GLFWmonitor *monitor = data; 69 GLFWvidmode mode; 70 71 mode.width = width; 72 mode.height = height; 73 mode.redBits = 8; 74 mode.greenBits = 8; 75 mode.blueBits = 8; 76 mode.refreshRate = (int) round(refresh / 1000.0); 77 78 monitor->modeCount++; 79 monitor->modes = 80 realloc(monitor->modes, monitor->modeCount * sizeof(GLFWvidmode)); 81 monitor->modes[monitor->modeCount - 1] = mode; 82 83 if (flags & WL_OUTPUT_MODE_CURRENT) 84 monitor->wl.currentMode = monitor->modeCount - 1; 85 } 86 87 static void outputHandleDone(void* data, struct wl_output* output) 88 { 89 struct _GLFWmonitor *monitor = data; 90 91 _glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST); 92 } 93 94 static void outputHandleScale(void* data, 95 struct wl_output* output, 96 int32_t factor) 97 { 98 struct _GLFWmonitor *monitor = data; 99 100 monitor->wl.scale = factor; 101 } 102 103 static const struct wl_output_listener outputListener = { 104 outputHandleGeometry, 105 outputHandleMode, 106 outputHandleDone, 107 outputHandleScale, 108 }; 109 110 111 ////////////////////////////////////////////////////////////////////////// 112 ////// GLFW internal API ////// 113 ////////////////////////////////////////////////////////////////////////// 114 115 void _glfwAddOutputWayland(uint32_t name, uint32_t version) 116 { 117 _GLFWmonitor *monitor; 118 struct wl_output *output; 119 120 if (version < 2) 121 { 122 _glfwInputError(GLFW_PLATFORM_ERROR, 123 "Wayland: Unsupported output interface version"); 124 return; 125 } 126 127 // The actual name of this output will be set in the geometry handler. 128 monitor = _glfwAllocMonitor(NULL, 0, 0); 129 130 output = wl_registry_bind(_glfw.wl.registry, 131 name, 132 &wl_output_interface, 133 2); 134 if (!output) 135 { 136 _glfwFreeMonitor(monitor); 137 return; 138 } 139 140 monitor->wl.scale = 1; 141 monitor->wl.output = output; 142 monitor->wl.name = name; 143 144 wl_output_add_listener(output, &outputListener, monitor); 145 } 146 147 148 ////////////////////////////////////////////////////////////////////////// 149 ////// GLFW platform API ////// 150 ////////////////////////////////////////////////////////////////////////// 151 152 void _glfwPlatformFreeMonitor(_GLFWmonitor* monitor) 153 { 154 if (monitor->wl.output) 155 wl_output_destroy(monitor->wl.output); 156 } 157 158 void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos) 159 { 160 if (xpos) 161 *xpos = monitor->wl.x; 162 if (ypos) 163 *ypos = monitor->wl.y; 164 } 165 166 void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor, 167 float* xscale, float* yscale) 168 { 169 if (xscale) 170 *xscale = (float) monitor->wl.scale; 171 if (yscale) 172 *yscale = (float) monitor->wl.scale; 173 } 174 175 void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor, 176 int* xpos, int* ypos, 177 int* width, int* height) 178 { 179 if (xpos) 180 *xpos = monitor->wl.x; 181 if (ypos) 182 *ypos = monitor->wl.y; 183 if (width) 184 *width = monitor->modes[monitor->wl.currentMode].width; 185 if (height) 186 *height = monitor->modes[monitor->wl.currentMode].height; 187 } 188 189 GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found) 190 { 191 *found = monitor->modeCount; 192 return monitor->modes; 193 } 194 195 void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode) 196 { 197 *mode = monitor->modes[monitor->wl.currentMode]; 198 } 199 200 GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp) 201 { 202 _glfwInputError(GLFW_PLATFORM_ERROR, 203 "Wayland: Gamma ramp access is not available"); 204 return GLFW_FALSE; 205 } 206 207 void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, 208 const GLFWgammaramp* ramp) 209 { 210 _glfwInputError(GLFW_PLATFORM_ERROR, 211 "Wayland: Gamma ramp access is not available"); 212 } 213 214 215 ////////////////////////////////////////////////////////////////////////// 216 ////// GLFW native API ////// 217 ////////////////////////////////////////////////////////////////////////// 218 219 GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* handle) 220 { 221 _GLFWmonitor* monitor = (_GLFWmonitor*) handle; 222 _GLFW_REQUIRE_INIT_OR_RETURN(NULL); 223 return monitor->wl.output; 224 } 225