add glfw library

1 files changed, 271 insertions, 0 deletions

diff --git a/libs/glfw-3.3.8/src/wl_monitor.c b/libs/glfw-3.3.8/src/wl_monitor.c
new file mode 100644
index 0000000..99de893
--- /dev/null
+++ b/libs/glfw-3.3.8/src/wl_monitor.c
@@ -0,0 +1,271 @@
+//========================================================================
+// GLFW 3.3 Wayland - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
+//
+// 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.
+//
+//========================================================================
+// It is fine to use C99 in this file because it will not be built with VS
+//========================================================================
+
+#include "internal.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <math.h>
+
+
+static void outputHandleGeometry(void* userData,
+                                 struct wl_output* output,
+                                 int32_t x,
+                                 int32_t y,
+                                 int32_t physicalWidth,
+                                 int32_t physicalHeight,
+                                 int32_t subpixel,
+                                 const char* make,
+                                 const char* model,
+                                 int32_t transform)
+{
+    struct _GLFWmonitor* monitor = userData;
+
+    monitor->wl.x = x;
+    monitor->wl.y = y;
+    monitor->widthMM = physicalWidth;
+    monitor->heightMM = physicalHeight;
+
+    if (strlen(monitor->name) == 0)
+        snprintf(monitor->name, sizeof(monitor->name), "%s %s", make, model);
+}
+
+static void outputHandleMode(void* userData,
+                             struct wl_output* output,
+                             uint32_t flags,
+                             int32_t width,
+                             int32_t height,
+                             int32_t refresh)
+{
+    struct _GLFWmonitor* monitor = userData;
+    GLFWvidmode mode;
+
+    mode.width = width;
+    mode.height = height;
+    mode.redBits = 8;
+    mode.greenBits = 8;
+    mode.blueBits = 8;
+    mode.refreshRate = (int) round(refresh / 1000.0);
+
+    monitor->modeCount++;
+    monitor->modes =
+        realloc(monitor->modes, monitor->modeCount * sizeof(GLFWvidmode));
+    monitor->modes[monitor->modeCount - 1] = mode;
+
+    if (flags & WL_OUTPUT_MODE_CURRENT)
+        monitor->wl.currentMode = monitor->modeCount - 1;
+}
+
+static void outputHandleDone(void* userData, struct wl_output* output)
+{
+    struct _GLFWmonitor* monitor = userData;
+
+    if (monitor->widthMM <= 0 || monitor->heightMM <= 0)
+    {
+        // If Wayland does not provide a physical size, assume the default 96 DPI
+        const GLFWvidmode* mode = &monitor->modes[monitor->wl.currentMode];
+        monitor->widthMM  = (int) (mode->width * 25.4f / 96.f);
+        monitor->heightMM = (int) (mode->height * 25.4f / 96.f);
+    }
+
+    for (int i = 0; i < _glfw.monitorCount; i++)
+    {
+        if (_glfw.monitors[i] == monitor)
+            return;
+    }
+
+    _glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST);
+}
+
+static void outputHandleScale(void* userData,
+                              struct wl_output* output,
+                              int32_t factor)
+{
+    struct _GLFWmonitor* monitor = userData;
+
+    monitor->wl.scale = factor;
+
+    for (_GLFWwindow* window = _glfw.windowListHead; window; window = window->next)
+    {
+        for (int i = 0; i < window->wl.monitorsCount; i++)
+        {
+            if (window->wl.monitors[i] == monitor)
+            {
+                _glfwUpdateContentScaleWayland(window);
+                break;
+            }
+        }
+    }
+}
+
+#ifdef WL_OUTPUT_NAME_SINCE_VERSION
+
+void outputHandleName(void* userData, struct wl_output* wl_output, const char* name)
+{
+    struct _GLFWmonitor* monitor = userData;
+
+    strncpy(monitor->name, name, sizeof(monitor->name) - 1);
+}
+
+void outputHandleDescription(void* userData,
+                             struct wl_output* wl_output,
+                             const char* description)
+{
+}
+
+#endif // WL_OUTPUT_NAME_SINCE_VERSION
+
+static const struct wl_output_listener outputListener =
+{
+    outputHandleGeometry,
+    outputHandleMode,
+    outputHandleDone,
+    outputHandleScale,
+#ifdef WL_OUTPUT_NAME_SINCE_VERSION
+    outputHandleName,
+    outputHandleDescription,
+#endif
+};
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW internal API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+void _glfwAddOutputWayland(uint32_t name, uint32_t version)
+{
+    if (version < 2)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Wayland: Unsupported output interface version");
+        return;
+    }
+
+#ifdef WL_OUTPUT_NAME_SINCE_VERSION
+    version = _glfw_min(version, WL_OUTPUT_NAME_SINCE_VERSION);
+#else
+    version = 2;
+#endif
+
+    struct wl_output* output = wl_registry_bind(_glfw.wl.registry,
+                                                name,
+                                                &wl_output_interface,
+                                                version);
+    if (!output)
+        return;
+
+    // The actual name of this output will be set in the geometry handler
+    _GLFWmonitor* monitor = _glfwAllocMonitor("", 0, 0);
+    monitor->wl.scale = 1;
+    monitor->wl.output = output;
+    monitor->wl.name = name;
+
+    wl_output_add_listener(output, &outputListener, monitor);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+void _glfwPlatformFreeMonitor(_GLFWmonitor* monitor)
+{
+    if (monitor->wl.output)
+        wl_output_destroy(monitor->wl.output);
+}
+
+void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
+{
+    if (xpos)
+        *xpos = monitor->wl.x;
+    if (ypos)
+        *ypos = monitor->wl.y;
+}
+
+void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor,
+                                         float* xscale, float* yscale)
+{
+    if (xscale)
+        *xscale = (float) monitor->wl.scale;
+    if (yscale)
+        *yscale = (float) monitor->wl.scale;
+}
+
+void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor,
+                                     int* xpos, int* ypos,
+                                     int* width, int* height)
+{
+    if (xpos)
+        *xpos = monitor->wl.x;
+    if (ypos)
+        *ypos = monitor->wl.y;
+    if (width)
+        *width = monitor->modes[monitor->wl.currentMode].width;
+    if (height)
+        *height = monitor->modes[monitor->wl.currentMode].height;
+}
+
+GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
+{
+    *found = monitor->modeCount;
+    return monitor->modes;
+}
+
+void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
+{
+    *mode = monitor->modes[monitor->wl.currentMode];
+}
+
+GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Wayland: Gamma ramp access is not available");
+    return GLFW_FALSE;
+}
+
+void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor,
+                               const GLFWgammaramp* ramp)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Wayland: Gamma ramp access is not available");
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                        GLFW native API                       //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* handle)
+{
+    _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
+    _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
+    return monitor->wl.output;
+}
+