Merge ff618d15cf into 0d4534733b

CMake/modules/FindVulkan.cmake

@@ -34,6 +34,9 @@ elseif (APPLE)
     find_library(VULKAN_STATIC_LIBRARY MoltenVK)
     find_path(VULKAN_INCLUDE_DIR NAMES vulkan/vulkan.h HINTS
         "${VULKAN_LIBRARY}/Headers")
+elseif (ANDROID)
+    find_path(VULKAN_INCLUDE_DIR NAMES vulkan/vulkan.h NO_CMAKE_FIND_ROOT_PATH)
+    find_library(VULKAN_LIBRARY NAMES vulkan NO_CMAKE_FIND_ROOT_PATH)
 else()
     find_path(VULKAN_INCLUDE_DIR NAMES vulkan/vulkan.h HINTS
         "$ENV{VULKAN_SDK}/include")

CMakeLists.txt

@@ -168,6 +168,9 @@ elseif (WIN32)
 elseif (APPLE)
     set(_GLFW_COCOA 1)
     message(STATUS "Using Cocoa for window creation")
+elseif (ANDROID)
+    set(_GLFW_ANDROID 1)
+    message(STATUS "Using Android for window creation")
 elseif (UNIX)
     set(_GLFW_X11 1)
     message(STATUS "Using X11 for window creation")
@@ -330,6 +333,13 @@ if (_GLFW_COCOA)
     set(glfw_PKG_LIBS "-framework Cocoa -framework IOKit -framework CoreFoundation -framework CoreVideo")
 endif()
 
+#--------------------------------------------------------------------
+# Use Android APIs for window creation
+#--------------------------------------------------------------------
+if (_GLFW_ANDROID)
+    list(APPEND glfw_INCLUDE_DIRS "${ANDROID_NDK}/sources/android/native_app_glue/")
+endif()
+
 #--------------------------------------------------------------------
 # Export GLFW library dependencies
 #--------------------------------------------------------------------

include/GLFW/glfw3.h

@@ -5519,4 +5519,3 @@ GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window
 #endif
 
 #endif /* _glfw3_h_ */
-

include/GLFW/glfw3native.h

@@ -123,6 +123,9 @@ extern "C" {
  #include <GL/osmesa.h>
 #endif
 
+#if defined(GLFW_EXPOSE_NATIVE_ANDROID)
+ #include <android_native_app_glue.h>
+#endif
 
 /*************************************************************************
  * Functions
@@ -564,6 +567,10 @@ GLFWAPI int glfwGetOSMesaDepthBuffer(GLFWwindow* window, int* width, int* height
 GLFWAPI OSMesaContext glfwGetOSMesaContext(GLFWwindow* window);
 #endif
 
+#if defined(GLFW_EXPOSE_NATIVE_ANDROID)
+GLFWAPI struct android_app * glfwGetAndroidApp(GLFWwindow* window);
+#endif
+
 #ifdef __cplusplus
 }
 #endif

src/CMakeLists.txt

@@ -71,6 +71,11 @@ elseif (_GLFW_OSMESA)
                      posix_time.h posix_thread.h osmesa_context.h)
     set(glfw_SOURCES ${common_SOURCES} null_init.c null_monitor.c null_window.c
                      null_joystick.c posix_time.c posix_thread.c osmesa_context.c)
+elseif (_GLFW_ANDROID)
+    set(glfw_HEADERS ${common_HEADERS} android_platform.h android_joystick.h
+                     posix_time.h posix_thread.h)
+    set(glfw_SOURCES ${common_SOURCES} android_init.c android_monitor.c android_window.c
+                     android_joystick.c posix_time.c posix_thread.c egl_context.c osmesa_context.c "${ANDROID_NDK}/sources/android/native_app_glue/android_native_app_glue.c")
 endif()
 
 if (APPLE)

src/android_init.c

@@ -0,0 +1,78 @@
+//========================================================================
+// GLFW 3.3 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2017 Curi0 <curi0minecraft@gmail.com>
+// Copyright (c) 2006-2016 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 <android/log.h>
+#include "internal.h"
+
+struct android_app* _globalApp;
+
+extern int main();
+void handle_cmd(struct android_app* _app, int32_t cmd) {
+    switch (cmd) {
+    case APP_CMD_INIT_WINDOW: {
+        break;
+    }
+    case APP_CMD_LOST_FOCUS: {
+        break;
+    }
+    case APP_CMD_GAINED_FOCUS: {
+        break;
+    }
+    case  APP_CMD_TERM_WINDOW: {
+        glfwDestroyWindow((GLFWwindow *) _glfw.windowListHead);
+    }
+}
+}
+
+// Android Entry Point
+void android_main(struct android_app *app) {
+    app->onAppCmd = handle_cmd;
+    // hmmm...global....eek
+    _globalApp = app;
+    main();
+}
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+int _glfwPlatformInit(void)
+{
+    _glfw.gstate.app = _globalApp;
+    _glfwInitTimerPOSIX();
+    return GLFW_TRUE;
+}
+
+void _glfwPlatformTerminate(void)
+{
+    _glfwTerminateOSMesa();
+}
+
+const char* _glfwPlatformGetVersionString(void)
+{
+    return _GLFW_VERSION_NUMBER " Android EGL";
+}
+

src/android_joystick.c

@@ -0,0 +1,43 @@
+//========================================================================
+// GLFW 3.3 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2017 Curi0 <curi0minecraft@gmail.com>
+// Copyright (c) 2006-2016 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"
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+int _glfwPlatformPollJoystick(_GLFWjoystick* js, int mode)
+{
+    return GLFW_FALSE;
+}
+
+void _glfwPlatformUpdateGamepadGUID(char* guid)
+{
+}
+

src/android_joystick.h

@@ -0,0 +1,31 @@
+//========================================================================
+// GLFW 3.3 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2006-2016 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.
+//
+//========================================================================
+
+#define _GLFW_PLATFORM_JOYSTICK_STATE         int nulljs
+#define _GLFW_PLATFORM_LIBRARY_JOYSTICK_STATE int nulljs
+
+#define _GLFW_PLATFORM_MAPPING_NAME "Android"
+

src/android_monitor.c

@@ -0,0 +1,56 @@
+//========================================================================
+// GLFW 3.3 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2017 Curi0 <curi0minecraft@gmail.com>
+// Copyright (c) 2006-2016 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"
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
+{
+}
+
+GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* found)
+{
+    return NULL;
+}
+
+void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode)
+{
+}
+
+void _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp)
+{
+}
+
+void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
+{
+}
+

src/android_platform.h

@@ -0,0 +1,69 @@
+//========================================================================
+// GLFW 3.3 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2017 Curi0 <curi0minecraft@gmail.com>
+// Copyright (c) 2006-2016 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 <dlfcn.h>
+
+#include "egl_context.h"
+#include "osmesa_context.h"
+#include "posix_time.h"
+#include "posix_thread.h"
+#include "android_joystick.h"
+#include <android/native_window.h>
+#include <android_native_app_glue.h>
+
+#define _glfw_dlopen(name) dlopen(name, RTLD_LAZY | RTLD_LOCAL)
+#define _glfw_dlclose(handle) dlclose(handle)
+#define _glfw_dlsym(handle, name) dlsym(handle, name)
+
+#define _GLFW_EGL_NATIVE_WINDOW  ((EGLNativeWindowType) window->android->window)
+#define _GLFW_PLATFORM_WINDOW_STATE         struct android_app* android;
+#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE android_gstate gstate;
+#define _GLFW_PLATFORM_MONITOR_STATE
+#define _GLFW_PLATFORM_CURSOR_STATE
+
+#define _GLFW_PLATFORM_CONTEXT_STATE
+#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE
+#define _GLFW_EGL_NATIVE_DISPLAY EGL_DEFAULT_DISPLAY
+
+float x,y;
+
+typedef struct android_gstate {
+    struct android_app* app;
+    struct android_poll_source* source;
+} android_gstate;
+
+typedef VkFlags VkAndroidSurfaceCreateFlagsKHR;
+
+typedef struct VkAndroidSurfaceCreateInfoKHR {
+    VkStructureType                   sType;
+    const void*                       pNext;
+    VkAndroidSurfaceCreateFlagsKHR    flags;
+    ANativeWindow*                    window;
+} VkAndroidSurfaceCreateInfoKHR;
+
+typedef VkResult (APIENTRY *PFN_vkCreateAndroidSurfaceKHR)(VkInstance,const VkAndroidSurfaceCreateInfoKHR*,const VkAllocationCallbacks*,VkSurfaceKHR*);
+

src/android_window.c

@@ -0,0 +1,367 @@
+//========================================================================
+// GLFW 3.3 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2017 Curi0 <curi0minecraft@gmail.com>
+// Copyright (c) 2006-2016 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"
+
+static int32_t handle_input(struct android_app* app, AInputEvent* event)
+{
+    if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION)
+        for (size_t i = 0; i < AMotionEvent_getPointerCount(event); ++i)
+        {
+            x = AMotionEvent_getX(event, i);
+            y = AMotionEvent_getY(event, i);
+        }
+    if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_KEY)
+        _glfwInputKey(_glfw.windowListHead, 0 , AKeyEvent_getKeyCode(event), GLFW_PRESS,0);
+
+    return 0;
+}
+
+static void handleEvents(int timeout) {
+    ALooper_pollOnce(0, NULL, NULL,(void**)&_glfw.gstate.source);
+
+    if (_glfw.gstate.source != NULL) {
+        _glfw.gstate.source->process(_glfw.gstate.app, _glfw.gstate.source);
+    }
+    _glfwInputCursorPos(_glfw.windowListHead, x, y);
+}
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+int _glfwPlatformCreateWindow(_GLFWwindow* window,
+                              const _GLFWwndconfig* wndconfig,
+                              const _GLFWctxconfig* ctxconfig,
+                              const _GLFWfbconfig* fbconfig)
+{
+    // wait for window to become ready
+    while (_glfw.gstate.app->window == NULL) {
+        handleEvents(-1);
+    }
+    // hmmm maybe should be ANative_Window only?
+    window->android = _glfw.gstate.app;
+    window->android->onInputEvent = handle_input;
+
+    //ANativeWindow_setBuffersGeometry(window->android->window, wndconfig->width, wndconfig->height, 0);
+
+    if (ctxconfig->client != GLFW_NO_API)
+    {
+        if ((ctxconfig->source == GLFW_NATIVE_CONTEXT_API) |
+            (ctxconfig->source == GLFW_EGL_CONTEXT_API))
+        {
+            if (!_glfwInitEGL())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
+        }
+        else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API)
+        {
+            if (!_glfwInitOSMesa())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
+        }
+
+    }
+    return GLFW_TRUE;
+}
+
+
+void _glfwPlatformDestroyWindow(_GLFWwindow* window)
+{
+    if (window->context.destroy)
+        window->context.destroy(window);
+    ANativeActivity_finish(window->android->activity);
+}
+
+void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
+{
+}
+
+void _glfwPlatformSetWindowIcon(_GLFWwindow* window, int count,
+                                const GLFWimage* images)
+{
+}
+
+void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
+                                   _GLFWmonitor* monitor,
+                                   int xpos, int ypos,
+                                   int width, int height,
+                                   int refreshRate)
+{
+}
+
+void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
+{
+
+}
+
+void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
+{
+}
+
+void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
+{
+    if (height)
+        *height = ANativeWindow_getHeight(window->android->window);
+    if (width)
+        *width = ANativeWindow_getWidth(window->android->window);
+}
+
+void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
+{
+}
+
+void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
+                                      int minwidth, int minheight,
+                                      int maxwidth, int maxheight)
+{
+
+}
+
+void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int n, int d)
+{
+}
+
+void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
+{
+    // the underlying buffergeometry is currently being initialized from the
+    // window width and height...so high resolution displays are currently
+    // not supported...so it is safe to just call GetWindowSize() for now
+    _glfwPlatformGetWindowSize(window, width, height);
+}
+
+void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
+                                     int* left, int* top,
+                                     int* right, int* bottom)
+{
+}
+
+void _glfwPlatformIconifyWindow(_GLFWwindow* window)
+{
+}
+
+void _glfwPlatformRestoreWindow(_GLFWwindow* window)
+{
+}
+
+void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
+{
+}
+
+int _glfwPlatformWindowMaximized(_GLFWwindow* window)
+{
+    return GLFW_FALSE;
+}
+
+void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled)
+{
+}
+
+void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled)
+{
+}
+
+void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled)
+{
+}
+
+void _glfwPlatformShowWindow(_GLFWwindow* window)
+{
+}
+
+
+void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
+{
+}
+
+void _glfwPlatformUnhideWindow(_GLFWwindow* window)
+{
+}
+
+void _glfwPlatformHideWindow(_GLFWwindow* window)
+{
+}
+
+void _glfwPlatformFocusWindow(_GLFWwindow* window)
+{
+}
+
+int _glfwPlatformWindowFocused(_GLFWwindow* window)
+{
+    return GLFW_FALSE;
+}
+
+int _glfwPlatformWindowIconified(_GLFWwindow* window)
+{
+    return GLFW_FALSE;
+}
+
+int _glfwPlatformWindowVisible(_GLFWwindow* window)
+{
+    return GLFW_FALSE;
+}
+
+void _glfwPlatformPollEvents(void)
+{
+    handleEvents(0);
+}
+
+void _glfwPlatformWaitEvents(void)
+{
+    handleEvents(-1);
+}
+
+void _glfwPlatformWaitEventsTimeout(double timeout)
+{
+    handleEvents(timeout * 1e3);
+}
+
+void _glfwPlatformPostEmptyEvent(void)
+{
+}
+
+void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
+{
+    if (xpos)
+        *xpos = x;
+    if (ypos)
+        *ypos = y;
+}
+
+void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
+{
+}
+
+void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
+{
+}
+
+int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
+                              const GLFWimage* image,
+                              int xhot, int yhot)
+{
+    return GLFW_TRUE;
+}
+
+int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
+{
+    return GLFW_TRUE;
+}
+
+void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
+{
+}
+
+void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
+{
+}
+
+void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
+{
+}
+
+const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
+{
+    return NULL;
+}
+
+const char* _glfwPlatformGetScancodeName(int scancode)
+{
+    return "";
+}
+
+int _glfwPlatformGetKeyScancode(int key)
+{
+    return -1;
+}
+
+void _glfwPlatformGetRequiredInstanceExtensions(char** extensions)
+{
+    if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_android_surface)
+        return;
+
+    extensions[0] = "VK_KHR_surface";
+    extensions[1] = "VK_KHR_android_surface";
+}
+
+int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
+                                                      VkPhysicalDevice device,
+                                                      uint32_t queuefamily)
+{
+    return GLFW_TRUE;
+}
+
+int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
+{
+    return GLFW_FALSE;
+}
+
+VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
+                                          _GLFWwindow* window,
+                                          const VkAllocationCallbacks* allocator,
+                                          VkSurfaceKHR* surface)
+{
+    VkResult err;
+    VkAndroidSurfaceCreateInfoKHR sci;
+    PFN_vkCreateAndroidSurfaceKHR vkCreateAndroidSurfaceKHR;
+
+    vkCreateAndroidSurfaceKHR = (PFN_vkCreateAndroidSurfaceKHR)
+            vkGetInstanceProcAddr(instance, "vkCreateAndroidSurfaceKHR");
+    if (!vkCreateAndroidSurfaceKHR)
+    {
+        _glfwInputError(GLFW_API_UNAVAILABLE,
+                        "Android: Vulkan instance missing VK_KHR_android_surface extension");
+        return VK_ERROR_EXTENSION_NOT_PRESENT;
+    }
+
+    memset(&sci, 0, sizeof(sci));
+    sci.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
+    sci.window = window->android->window;
+
+    err = vkCreateAndroidSurfaceKHR(instance, &sci, allocator, surface);
+    if (err)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Android: Failed to create Vulkan surface: %s",
+                        _glfwGetVulkanResultString(err));
+    }
+
+    return err;
+}
+
+//////////////////////////////////////////////////////////////////////////
+//////                        GLFW native API                       //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWAPI struct android_app * glfwGetAndroidApp(GLFWwindow* handle)
+{
+    _GLFWwindow *window = (_GLFWwindow*)handle;
+    _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
+    return window->android;
+}

src/egl_context.c

@@ -311,6 +311,8 @@ GLFWbool _glfwInitEGL(void)
         "libEGL.dylib",
 #elif defined(__CYGWIN__)
         "libEGL-1.so",
+#elif defined(_GLFW_ANDROID)
+        "libEGL.so",
 #else
         "libEGL.so.1",
 #endif
@@ -393,6 +395,7 @@ GLFWbool _glfwInitEGL(void)
     }
 
     _glfw.egl.display = eglGetDisplay(_GLFW_EGL_NATIVE_DISPLAY);
+    
     if (_glfw.egl.display == EGL_NO_DISPLAY)
     {
         _glfwInputError(GLFW_API_UNAVAILABLE,
@@ -461,7 +464,6 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
     EGLConfig config;
     EGLContext share = NULL;
     int index = 0;
-
     if (!_glfw.egl.display)
     {
         _glfwInputError(GLFW_API_UNAVAILABLE, "EGL: API not available");
@@ -626,6 +628,9 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
             "libGLES_CM.dll",
 #elif defined(_GLFW_COCOA)
             "libGLESv1_CM.dylib",
+#elif defined(_GLFW_ANDROID)
+            "libGLESv1_CM.so",
+            "libGLES_CM.so",
 #else
             "libGLESv1_CM.so.1",
             "libGLES_CM.so.1",
@@ -643,6 +648,8 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
             "libGLESv2.dylib",
 #elif defined(__CYGWIN__)
             "libGLESv2-2.so",
+#elif defined(_GLFW_ANDROID)
+            "libGLESv2.so",
 #else
             "libGLESv2.so.2",
 #endif

src/egl_context.h

@@ -27,6 +27,10 @@
 
 #if defined(_GLFW_USE_EGLPLATFORM_H)
  #include <EGL/eglplatform.h>
+#elif defined(_GLFW_ANDROID)
+ #define EGLAPIENTRY
+ typedef void*                           EGLNativeDisplayType;
+ typedef struct ANativeWindow*           EGLNativeWindowType;
 #elif defined(_GLFW_WIN32)
  #define EGLAPIENTRY __stdcall
  typedef HDC EGLNativeDisplayType;

src/glfw_config.h.in

@@ -46,6 +46,9 @@
 #cmakedefine _GLFW_MIR
 // Define this to 1 if building GLFW for OSMesa
 #cmakedefine _GLFW_OSMESA
+// Define this to 1 if building GLFW for Android
+#cmakedefine _GLFW_ANDROID
+
 
 // Define this to 1 if building as a shared library / dynamic library / DLL
 #cmakedefine _GLFW_BUILD_DLL

src/internal.h

@@ -129,6 +129,7 @@ typedef enum VkStructureType
     VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR = 1000007000,
     VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR = 1000009000,
     VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK = 1000053000,
+    VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR = 1000008000,
     VK_STRUCTURE_TYPE_MAX_ENUM = 0x7FFFFFFF
 } VkStructureType;
 
@@ -192,6 +193,8 @@ typedef void (APIENTRY * PFN_vkVoidFunction)(void);
  #include "mir_platform.h"
 #elif defined(_GLFW_OSMESA)
  #include "null_platform.h"
+#elif defined(_GLFW_ANDROID)
+ #include "android_platform.h"
 #else
  #error "No supported window creation API selected"
 #endif
@@ -562,6 +565,8 @@ struct _GLFWlibrary
         GLFWbool        KHR_wayland_surface;
 #elif defined(_GLFW_MIR)
         GLFWbool        KHR_mir_surface;
+#elif defined(_GLFW_ANDROID)
+        GLFWbool        KHR_android_surface;
 #endif
     } vk;
 

src/vulkan.c

@@ -55,6 +55,8 @@ GLFWbool _glfwInitVulkan(int mode)
     _glfw.vk.handle = _glfw_dlopen("vulkan-1.dll");
 #elif defined(_GLFW_COCOA)
     _glfw.vk.handle = _glfw_dlopen("libMoltenVK.dylib");
+#elif defined(_GLFW_ANDROID)
+    _glfw.vk.handle = _glfw_dlopen("libvulkan.so");
 #else
     _glfw.vk.handle = _glfw_dlopen("libvulkan.so.1");
 #endif
@@ -139,6 +141,9 @@ GLFWbool _glfwInitVulkan(int mode)
 #elif defined(_GLFW_MIR)
         else if (strcmp(ep[i].extensionName, "VK_KHR_mir_surface") == 0)
             _glfw.vk.KHR_mir_surface = GLFW_TRUE;
+#elif defined(_GLFW_ANDROID)
+        else if (strcmp(ep[i].extensionName, "VK_KHR_android_surface") == 0)
+            _glfw.vk.KHR_android_surface = GLFW_TRUE;
 #endif
     }