base code

1 files changed, 749 insertions, 0 deletions

diff --git a/ext/glfw/src/null_window.c b/ext/glfw/src/null_window.c
new file mode 100644
index 0000000..f0e1dcc
--- /dev/null
+++ b/ext/glfw/src/null_window.c
@@ -0,0 +1,749 @@
+//========================================================================
+// GLFW 3.5 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2016 Google Inc.
+// Copyright (c) 2016-2019 Camilla Löwy <elmindreda@glfw.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 <stdlib.h>
+#include <string.h>
+
+static void applySizeLimits(_GLFWwindow* window, int* width, int* height)
+{
+    if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE)
+    {
+        const float ratio = (float) window->numer / (float) window->denom;
+        *height = (int) (*width / ratio);
+    }
+
+    if (window->minwidth != GLFW_DONT_CARE)
+        *width = _glfw_max(*width, window->minwidth);
+    else if (window->maxwidth != GLFW_DONT_CARE)
+        *width = _glfw_min(*width, window->maxwidth);
+
+    if (window->minheight != GLFW_DONT_CARE)
+        *height = _glfw_min(*height, window->minheight);
+    else if (window->maxheight != GLFW_DONT_CARE)
+        *height = _glfw_max(*height, window->maxheight);
+}
+
+static void fitToMonitor(_GLFWwindow* window)
+{
+    GLFWvidmode mode;
+    _glfwGetVideoModeNull(window->monitor, &mode);
+    _glfwGetMonitorPosNull(window->monitor,
+                           &window->null.xpos,
+                           &window->null.ypos);
+    window->null.width = mode.width;
+    window->null.height = mode.height;
+}
+
+static void acquireMonitor(_GLFWwindow* window)
+{
+    _glfwInputMonitorWindow(window->monitor, window);
+}
+
+static void releaseMonitor(_GLFWwindow* window)
+{
+    if (window->monitor->window != window)
+        return;
+
+    _glfwInputMonitorWindow(window->monitor, NULL);
+}
+
+static int createNativeWindow(_GLFWwindow* window,
+                              const _GLFWwndconfig* wndconfig,
+                              const _GLFWfbconfig* fbconfig)
+{
+    if (window->monitor)
+        fitToMonitor(window);
+    else
+    {
+        if (wndconfig->xpos == GLFW_ANY_POSITION && wndconfig->ypos == GLFW_ANY_POSITION)
+        {
+            window->null.xpos = 17;
+            window->null.ypos = 17;
+        }
+        else
+        {
+            window->null.xpos = wndconfig->xpos;
+            window->null.ypos = wndconfig->ypos;
+        }
+
+        window->null.width = wndconfig->width;
+        window->null.height = wndconfig->height;
+    }
+
+    window->null.visible = wndconfig->visible;
+    window->null.decorated = wndconfig->decorated;
+    window->null.maximized = wndconfig->maximized;
+    window->null.floating = wndconfig->floating;
+    window->null.transparent = fbconfig->transparent;
+    window->null.opacity = 1.f;
+
+    return GLFW_TRUE;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWbool _glfwCreateWindowNull(_GLFWwindow* window,
+                               const _GLFWwndconfig* wndconfig,
+                               const _GLFWctxconfig* ctxconfig,
+                               const _GLFWfbconfig* fbconfig)
+{
+    if (!createNativeWindow(window, wndconfig, fbconfig))
+        return GLFW_FALSE;
+
+    if (ctxconfig->client != GLFW_NO_API)
+    {
+        if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API ||
+            ctxconfig->source == GLFW_OSMESA_CONTEXT_API)
+        {
+            if (!_glfwInitOSMesa())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
+        }
+        else if (ctxconfig->source == GLFW_EGL_CONTEXT_API)
+        {
+            if (!_glfwInitEGL())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
+        }
+
+        if (!_glfwRefreshContextAttribs(window, ctxconfig))
+            return GLFW_FALSE;
+    }
+
+    if (wndconfig->mousePassthrough)
+        _glfwSetWindowMousePassthroughNull(window, GLFW_TRUE);
+
+    if (window->monitor)
+    {
+        _glfwShowWindowNull(window);
+        _glfwFocusWindowNull(window);
+        acquireMonitor(window);
+
+        if (wndconfig->centerCursor)
+            _glfwCenterCursorInContentArea(window);
+    }
+    else
+    {
+        if (wndconfig->visible)
+        {
+            _glfwShowWindowNull(window);
+            if (wndconfig->focused)
+                _glfwFocusWindowNull(window);
+        }
+    }
+
+    return GLFW_TRUE;
+}
+
+void _glfwDestroyWindowNull(_GLFWwindow* window)
+{
+    if (window->monitor)
+        releaseMonitor(window);
+
+    if (_glfw.null.focusedWindow == window)
+        _glfw.null.focusedWindow = NULL;
+
+    if (window->context.destroy)
+        window->context.destroy(window);
+}
+
+void _glfwSetWindowTitleNull(_GLFWwindow* window, const char* title)
+{
+}
+
+void _glfwSetWindowIconNull(_GLFWwindow* window, int count, const GLFWimage* images)
+{
+}
+
+void _glfwSetWindowMonitorNull(_GLFWwindow* window,
+                               _GLFWmonitor* monitor,
+                               int xpos, int ypos,
+                               int width, int height,
+                               int refreshRate)
+{
+    if (window->monitor == monitor)
+    {
+        if (!monitor)
+        {
+            _glfwSetWindowPosNull(window, xpos, ypos);
+            _glfwSetWindowSizeNull(window, width, height);
+        }
+
+        return;
+    }
+
+    if (window->monitor)
+        releaseMonitor(window);
+
+    _glfwInputWindowMonitor(window, monitor);
+
+    if (window->monitor)
+    {
+        window->null.visible = GLFW_TRUE;
+        acquireMonitor(window);
+        fitToMonitor(window);
+    }
+    else
+    {
+        _glfwSetWindowPosNull(window, xpos, ypos);
+        _glfwSetWindowSizeNull(window, width, height);
+    }
+}
+
+void _glfwGetWindowPosNull(_GLFWwindow* window, int* xpos, int* ypos)
+{
+    if (xpos)
+        *xpos = window->null.xpos;
+    if (ypos)
+        *ypos = window->null.ypos;
+}
+
+void _glfwSetWindowPosNull(_GLFWwindow* window, int xpos, int ypos)
+{
+    if (window->monitor)
+        return;
+
+    if (window->null.xpos != xpos || window->null.ypos != ypos)
+    {
+        window->null.xpos = xpos;
+        window->null.ypos = ypos;
+        _glfwInputWindowPos(window, xpos, ypos);
+    }
+}
+
+void _glfwGetWindowSizeNull(_GLFWwindow* window, int* width, int* height)
+{
+    if (width)
+        *width = window->null.width;
+    if (height)
+        *height = window->null.height;
+}
+
+void _glfwSetWindowSizeNull(_GLFWwindow* window, int width, int height)
+{
+    if (window->monitor)
+        return;
+
+    if (window->null.width != width || window->null.height != height)
+    {
+        window->null.width = width;
+        window->null.height = height;
+        _glfwInputFramebufferSize(window, width, height);
+        _glfwInputWindowDamage(window);
+        _glfwInputWindowSize(window, width, height);
+    }
+}
+
+void _glfwSetWindowSizeLimitsNull(_GLFWwindow* window,
+                                  int minwidth, int minheight,
+                                  int maxwidth, int maxheight)
+{
+    int width = window->null.width;
+    int height = window->null.height;
+    applySizeLimits(window, &width, &height);
+    _glfwSetWindowSizeNull(window, width, height);
+}
+
+void _glfwSetWindowAspectRatioNull(_GLFWwindow* window, int n, int d)
+{
+    int width = window->null.width;
+    int height = window->null.height;
+    applySizeLimits(window, &width, &height);
+    _glfwSetWindowSizeNull(window, width, height);
+}
+
+void _glfwGetFramebufferSizeNull(_GLFWwindow* window, int* width, int* height)
+{
+    if (width)
+        *width = window->null.width;
+    if (height)
+        *height = window->null.height;
+}
+
+void _glfwGetWindowFrameSizeNull(_GLFWwindow* window,
+                                 int* left, int* top,
+                                 int* right, int* bottom)
+{
+    if (window->null.decorated && !window->monitor)
+    {
+        if (left)
+            *left = 1;
+        if (top)
+            *top = 10;
+        if (right)
+            *right = 1;
+        if (bottom)
+            *bottom = 1;
+    }
+    else
+    {
+        if (left)
+            *left = 0;
+        if (top)
+            *top = 0;
+        if (right)
+            *right = 0;
+        if (bottom)
+            *bottom = 0;
+    }
+}
+
+void _glfwGetWindowContentScaleNull(_GLFWwindow* window, float* xscale, float* yscale)
+{
+    if (xscale)
+        *xscale = 1.f;
+    if (yscale)
+        *yscale = 1.f;
+}
+
+void _glfwIconifyWindowNull(_GLFWwindow* window)
+{
+    if (_glfw.null.focusedWindow == window)
+    {
+        _glfw.null.focusedWindow = NULL;
+        _glfwInputWindowFocus(window, GLFW_FALSE);
+    }
+
+    if (!window->null.iconified)
+    {
+        window->null.iconified = GLFW_TRUE;
+        _glfwInputWindowIconify(window, GLFW_TRUE);
+
+        if (window->monitor)
+            releaseMonitor(window);
+    }
+}
+
+void _glfwRestoreWindowNull(_GLFWwindow* window)
+{
+    if (window->null.iconified)
+    {
+        window->null.iconified = GLFW_FALSE;
+        _glfwInputWindowIconify(window, GLFW_FALSE);
+
+        if (window->monitor)
+            acquireMonitor(window);
+    }
+    else if (window->null.maximized)
+    {
+        window->null.maximized = GLFW_FALSE;
+        _glfwInputWindowMaximize(window, GLFW_FALSE);
+    }
+}
+
+void _glfwMaximizeWindowNull(_GLFWwindow* window)
+{
+    if (!window->null.maximized)
+    {
+        window->null.maximized = GLFW_TRUE;
+        _glfwInputWindowMaximize(window, GLFW_TRUE);
+    }
+}
+
+GLFWbool _glfwWindowMaximizedNull(_GLFWwindow* window)
+{
+    return window->null.maximized;
+}
+
+GLFWbool _glfwWindowHoveredNull(_GLFWwindow* window)
+{
+    return _glfw.null.xcursor >= window->null.xpos &&
+           _glfw.null.ycursor >= window->null.ypos &&
+           _glfw.null.xcursor <= window->null.xpos + window->null.width - 1 &&
+           _glfw.null.ycursor <= window->null.ypos + window->null.height - 1;
+}
+
+GLFWbool _glfwFramebufferTransparentNull(_GLFWwindow* window)
+{
+    return window->null.transparent;
+}
+
+void _glfwSetWindowResizableNull(_GLFWwindow* window, GLFWbool enabled)
+{
+    window->null.resizable = enabled;
+}
+
+void _glfwSetWindowDecoratedNull(_GLFWwindow* window, GLFWbool enabled)
+{
+    window->null.decorated = enabled;
+}
+
+void _glfwSetWindowFloatingNull(_GLFWwindow* window, GLFWbool enabled)
+{
+    window->null.floating = enabled;
+}
+
+void _glfwSetWindowMousePassthroughNull(_GLFWwindow* window, GLFWbool enabled)
+{
+}
+
+float _glfwGetWindowOpacityNull(_GLFWwindow* window)
+{
+    return window->null.opacity;
+}
+
+void _glfwSetWindowOpacityNull(_GLFWwindow* window, float opacity)
+{
+    window->null.opacity = opacity;
+}
+
+void _glfwSetRawMouseMotionNull(_GLFWwindow *window, GLFWbool enabled)
+{
+}
+
+GLFWbool _glfwRawMouseMotionSupportedNull(void)
+{
+    return GLFW_TRUE;
+}
+
+void _glfwShowWindowNull(_GLFWwindow* window)
+{
+    window->null.visible = GLFW_TRUE;
+}
+
+void _glfwRequestWindowAttentionNull(_GLFWwindow* window)
+{
+}
+
+void _glfwHideWindowNull(_GLFWwindow* window)
+{
+    if (_glfw.null.focusedWindow == window)
+    {
+        _glfw.null.focusedWindow = NULL;
+        _glfwInputWindowFocus(window, GLFW_FALSE);
+    }
+
+    window->null.visible = GLFW_FALSE;
+}
+
+void _glfwFocusWindowNull(_GLFWwindow* window)
+{
+    _GLFWwindow* previous;
+
+    if (_glfw.null.focusedWindow == window)
+        return;
+
+    if (!window->null.visible)
+        return;
+
+    previous = _glfw.null.focusedWindow;
+    _glfw.null.focusedWindow = window;
+
+    if (previous)
+    {
+        _glfwInputWindowFocus(previous, GLFW_FALSE);
+        if (previous->monitor && previous->autoIconify)
+            _glfwIconifyWindowNull(previous);
+    }
+
+    _glfwInputWindowFocus(window, GLFW_TRUE);
+}
+
+GLFWbool _glfwWindowFocusedNull(_GLFWwindow* window)
+{
+    return _glfw.null.focusedWindow == window;
+}
+
+GLFWbool _glfwWindowIconifiedNull(_GLFWwindow* window)
+{
+    return window->null.iconified;
+}
+
+GLFWbool _glfwWindowVisibleNull(_GLFWwindow* window)
+{
+    return window->null.visible;
+}
+
+void _glfwPollEventsNull(void)
+{
+}
+
+void _glfwWaitEventsNull(void)
+{
+}
+
+void _glfwWaitEventsTimeoutNull(double timeout)
+{
+}
+
+void _glfwPostEmptyEventNull(void)
+{
+}
+
+void _glfwGetCursorPosNull(_GLFWwindow* window, double* xpos, double* ypos)
+{
+    if (xpos)
+        *xpos = _glfw.null.xcursor - window->null.xpos;
+    if (ypos)
+        *ypos = _glfw.null.ycursor - window->null.ypos;
+}
+
+void _glfwSetCursorPosNull(_GLFWwindow* window, double x, double y)
+{
+    _glfw.null.xcursor = window->null.xpos + (int) x;
+    _glfw.null.ycursor = window->null.ypos + (int) y;
+}
+
+void _glfwSetCursorModeNull(_GLFWwindow* window, int mode)
+{
+}
+
+GLFWbool _glfwCreateCursorNull(_GLFWcursor* cursor,
+                               const GLFWimage* image,
+                               int xhot, int yhot)
+{
+    return GLFW_TRUE;
+}
+
+GLFWbool _glfwCreateStandardCursorNull(_GLFWcursor* cursor, int shape)
+{
+    return GLFW_TRUE;
+}
+
+void _glfwDestroyCursorNull(_GLFWcursor* cursor)
+{
+}
+
+void _glfwSetCursorNull(_GLFWwindow* window, _GLFWcursor* cursor)
+{
+}
+
+void _glfwSetClipboardStringNull(const char* string)
+{
+    char* copy = _glfw_strdup(string);
+    _glfw_free(_glfw.null.clipboardString);
+    _glfw.null.clipboardString = copy;
+}
+
+const char* _glfwGetClipboardStringNull(void)
+{
+    return _glfw.null.clipboardString;
+}
+
+EGLenum _glfwGetEGLPlatformNull(EGLint** attribs)
+{
+    if (_glfw.egl.EXT_platform_base && _glfw.egl.MESA_platform_surfaceless)
+        return EGL_PLATFORM_SURFACELESS_MESA;
+    else
+        return 0;
+}
+
+EGLNativeDisplayType _glfwGetEGLNativeDisplayNull(void)
+{
+    return EGL_DEFAULT_DISPLAY;
+}
+
+EGLNativeWindowType _glfwGetEGLNativeWindowNull(_GLFWwindow* window)
+{
+    return 0;
+}
+
+const char* _glfwGetScancodeNameNull(int scancode)
+{
+    if (scancode < GLFW_NULL_SC_FIRST || scancode > GLFW_NULL_SC_LAST)
+    {
+        _glfwInputError(GLFW_INVALID_VALUE, "Invalid scancode %i", scancode);
+        return NULL;
+    }
+
+    switch (scancode)
+    {
+        case GLFW_NULL_SC_APOSTROPHE:
+            return "'";
+        case GLFW_NULL_SC_COMMA:
+            return ",";
+        case GLFW_NULL_SC_MINUS:
+        case GLFW_NULL_SC_KP_SUBTRACT:
+            return "-";
+        case GLFW_NULL_SC_PERIOD:
+        case GLFW_NULL_SC_KP_DECIMAL:
+            return ".";
+        case GLFW_NULL_SC_SLASH:
+        case GLFW_NULL_SC_KP_DIVIDE:
+            return "/";
+        case GLFW_NULL_SC_SEMICOLON:
+            return ";";
+        case GLFW_NULL_SC_EQUAL:
+        case GLFW_NULL_SC_KP_EQUAL:
+            return "=";
+        case GLFW_NULL_SC_LEFT_BRACKET:
+            return "[";
+        case GLFW_NULL_SC_RIGHT_BRACKET:
+            return "]";
+        case GLFW_NULL_SC_KP_MULTIPLY:
+            return "*";
+        case GLFW_NULL_SC_KP_ADD:
+            return "+";
+        case GLFW_NULL_SC_BACKSLASH:
+        case GLFW_NULL_SC_WORLD_1:
+        case GLFW_NULL_SC_WORLD_2:
+            return "\\";
+        case GLFW_NULL_SC_0:
+        case GLFW_NULL_SC_KP_0:
+            return "0";
+        case GLFW_NULL_SC_1:
+        case GLFW_NULL_SC_KP_1:
+            return "1";
+        case GLFW_NULL_SC_2:
+        case GLFW_NULL_SC_KP_2:
+            return "2";
+        case GLFW_NULL_SC_3:
+        case GLFW_NULL_SC_KP_3:
+            return "3";
+        case GLFW_NULL_SC_4:
+        case GLFW_NULL_SC_KP_4:
+            return "4";
+        case GLFW_NULL_SC_5:
+        case GLFW_NULL_SC_KP_5:
+            return "5";
+        case GLFW_NULL_SC_6:
+        case GLFW_NULL_SC_KP_6:
+            return "6";
+        case GLFW_NULL_SC_7:
+        case GLFW_NULL_SC_KP_7:
+            return "7";
+        case GLFW_NULL_SC_8:
+        case GLFW_NULL_SC_KP_8:
+            return "8";
+        case GLFW_NULL_SC_9:
+        case GLFW_NULL_SC_KP_9:
+            return "9";
+        case GLFW_NULL_SC_A:
+            return "a";
+        case GLFW_NULL_SC_B:
+            return "b";
+        case GLFW_NULL_SC_C:
+            return "c";
+        case GLFW_NULL_SC_D:
+            return "d";
+        case GLFW_NULL_SC_E:
+            return "e";
+        case GLFW_NULL_SC_F:
+            return "f";
+        case GLFW_NULL_SC_G:
+            return "g";
+        case GLFW_NULL_SC_H:
+            return "h";
+        case GLFW_NULL_SC_I:
+            return "i";
+        case GLFW_NULL_SC_J:
+            return "j";
+        case GLFW_NULL_SC_K:
+            return "k";
+        case GLFW_NULL_SC_L:
+            return "l";
+        case GLFW_NULL_SC_M:
+            return "m";
+        case GLFW_NULL_SC_N:
+            return "n";
+        case GLFW_NULL_SC_O:
+            return "o";
+        case GLFW_NULL_SC_P:
+            return "p";
+        case GLFW_NULL_SC_Q:
+            return "q";
+        case GLFW_NULL_SC_R:
+            return "r";
+        case GLFW_NULL_SC_S:
+            return "s";
+        case GLFW_NULL_SC_T:
+            return "t";
+        case GLFW_NULL_SC_U:
+            return "u";
+        case GLFW_NULL_SC_V:
+            return "v";
+        case GLFW_NULL_SC_W:
+            return "w";
+        case GLFW_NULL_SC_X:
+            return "x";
+        case GLFW_NULL_SC_Y:
+            return "y";
+        case GLFW_NULL_SC_Z:
+            return "z";
+    }
+
+    return NULL;
+}
+
+int _glfwGetKeyScancodeNull(int key)
+{
+    return _glfw.null.scancodes[key];
+}
+
+void _glfwGetRequiredInstanceExtensionsNull(char** extensions)
+{
+    if (!_glfw.vk.KHR_surface || !_glfw.vk.EXT_headless_surface)
+        return;
+
+    extensions[0] = "VK_KHR_surface";
+    extensions[1] = "VK_EXT_headless_surface";
+}
+
+GLFWbool _glfwGetPhysicalDevicePresentationSupportNull(VkInstance instance,
+                                                       VkPhysicalDevice device,
+                                                       uint32_t queuefamily)
+{
+    return GLFW_TRUE;
+}
+
+VkResult _glfwCreateWindowSurfaceNull(VkInstance instance,
+                                      _GLFWwindow* window,
+                                      const VkAllocationCallbacks* allocator,
+                                      VkSurfaceKHR* surface)
+{
+    PFN_vkCreateHeadlessSurfaceEXT vkCreateHeadlessSurfaceEXT =
+        (PFN_vkCreateHeadlessSurfaceEXT)
+        vkGetInstanceProcAddr(instance, "vkCreateHeadlessSurfaceEXT");
+    if (!vkCreateHeadlessSurfaceEXT)
+    {
+        _glfwInputError(GLFW_API_UNAVAILABLE,
+                        "Null: Vulkan instance missing VK_EXT_headless_surface extension");
+        return VK_ERROR_EXTENSION_NOT_PRESENT;
+    }
+
+    VkHeadlessSurfaceCreateInfoEXT sci;
+    memset(&sci, 0, sizeof(sci));
+    sci.sType = VK_STRUCTURE_TYPE_HEADLESS_SURFACE_CREATE_INFO_EXT;
+
+    const VkResult err = vkCreateHeadlessSurfaceEXT(instance, &sci, allocator, surface);
+    if (err)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Null: Failed to create Vulkan surface: %s",
+                        _glfwGetVulkanResultString(err));
+    }
+
+    return err;
+}
+