Wire up SDL on Android

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/a4d3797c3b0f0cac8493c46cb334ca88a5d6ccf6

Review URL: https://codereview.chromium.org/1415453009

3 files changed, 278 insertions, 0 deletions

diff --git a/third_party/libsdl/android/SDL_config.h b/third_party/libsdl/android/SDL_config.h
new file mode 100644
index 0000000000..8d5f1e5f2c
--- /dev/null
+++ b/third_party/libsdl/android/SDL_config.h
@@ -0,0 +1,145 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2015 Sam Lantinga <slouken@libsdl.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.
+*/
+
+#ifndef _SDL_config_android_h
+#define _SDL_config_android_h
+
+#include "SDL_platform.h"
+
+/**
+ *  \file SDL_config_android.h
+ *
+ *  This is a configuration that can be used to build SDL for Android
+ */
+
+#include <stdarg.h>
+
+#define HAVE_GCC_ATOMICS    1
+
+#define HAVE_ALLOCA_H       1
+#define HAVE_SYS_TYPES_H    1
+#define HAVE_STDIO_H    1
+#define STDC_HEADERS    1
+#define HAVE_STRING_H   1
+#define HAVE_INTTYPES_H 1
+#define HAVE_STDINT_H   1
+#define HAVE_CTYPE_H    1
+#define HAVE_MATH_H 1
+
+/* C library functions */
+#define HAVE_MALLOC 1
+#define HAVE_CALLOC 1
+#define HAVE_REALLOC    1
+#define HAVE_FREE   1
+#define HAVE_ALLOCA 1
+#define HAVE_GETENV 1
+#define HAVE_SETENV 1
+#define HAVE_PUTENV 1
+#define HAVE_SETENV 1
+#define HAVE_UNSETENV   1
+#define HAVE_QSORT  1
+#define HAVE_ABS    1
+#define HAVE_BCOPY  1
+#define HAVE_MEMSET 1
+#define HAVE_MEMCPY 1
+#define HAVE_MEMMOVE    1
+#define HAVE_MEMCMP 1
+#define HAVE_STRLEN 1
+#define HAVE_STRLCPY    1
+#define HAVE_STRLCAT    1
+#define HAVE_STRDUP 1
+#define HAVE_STRCHR 1
+#define HAVE_STRRCHR    1
+#define HAVE_STRSTR 1
+#define HAVE_STRTOL 1
+#define HAVE_STRTOUL    1
+#define HAVE_STRTOLL    1
+#define HAVE_STRTOULL   1
+#define HAVE_STRTOD 1
+#define HAVE_ATOI   1
+#define HAVE_STRCMP 1
+#define HAVE_STRNCMP    1
+#define HAVE_STRCASECMP 1
+#define HAVE_STRNCASECMP 1
+#define HAVE_VSSCANF 1
+#define HAVE_VSNPRINTF  1
+#define HAVE_M_PI   1
+#define HAVE_ATAN   1
+#define HAVE_ATAN2  1
+#define HAVE_ACOS  1
+#define HAVE_ASIN  1
+#define HAVE_CEIL   1
+#define HAVE_COPYSIGN   1
+#define HAVE_COS    1
+#define HAVE_COSF   1
+#define HAVE_FABS   1
+#define HAVE_FLOOR  1
+#define HAVE_LOG    1
+#define HAVE_POW    1
+#define HAVE_SCALBN 1
+#define HAVE_SIN    1
+#define HAVE_SINF   1
+#define HAVE_SQRT   1
+#define HAVE_SQRTF  1
+#define HAVE_TAN    1
+#define HAVE_TANF   1
+#define HAVE_SETJMP 1
+#define HAVE_NANOSLEEP  1
+#define HAVE_SYSCONF    1
+#define HAVE_CLOCK_GETTIME	1
+
+#define SIZEOF_VOIDP 4
+
+/* Enable various audio drivers */
+#define SDL_AUDIO_DRIVER_ANDROID    1
+#define SDL_AUDIO_DRIVER_DUMMY  1
+
+/* Enable various input drivers */
+#define SDL_JOYSTICK_ANDROID    1
+#define SDL_HAPTIC_DUMMY    1
+
+/* Enable various shared object loading systems */
+#define SDL_LOADSO_DLOPEN   1
+
+/* Enable various threading systems */
+#define SDL_THREAD_PTHREAD  1
+#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX  1
+
+/* Enable various timer systems */
+#define SDL_TIMER_UNIX  1
+
+/* Enable various video drivers */
+#define SDL_VIDEO_DRIVER_ANDROID 1
+
+/* Enable OpenGL ES */
+#define SDL_VIDEO_OPENGL_ES 1
+#define SDL_VIDEO_OPENGL_ES2 1
+#define SDL_VIDEO_OPENGL_EGL 1
+#define SDL_VIDEO_RENDER_OGL_ES 1
+#define SDL_VIDEO_RENDER_OGL_ES2    1
+
+/* Enable system power support */
+#define SDL_POWER_ANDROID 1
+
+/* Enable the filesystem driver */
+#define SDL_FILESYSTEM_ANDROID   1
+
+#endif /* _SDL_config_android_h */
diff --git a/third_party/libsdl/android/sdl_android.gypi b/third_party/libsdl/android/sdl_android.gypi
new file mode 100644
index 0000000000..4f6365ea2b
--- /dev/null
+++ b/third_party/libsdl/android/sdl_android.gypi
@@ -0,0 +1,127 @@
+# Copyright 2015 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+# Linux specific files and settings for SDL
+
+{
+ #TODO what is really necessary here
+ 'link_settings': {
+   'libraries': [ 
+     '-ldl',
+     '-lGLESv1_CM',
+     '-lGLESv2',
+     '-llog',
+     '-landroid',
+   ],
+ },
+ 'sources': [
+   '<(src_dir)/src/SDL.c',
+   '<(src_dir)/src/SDL_assert.c',
+   '<(src_dir)/src/SDL_error.c',
+   '<(src_dir)/src/SDL_hints.c',
+   '<(src_dir)/src/SDL_log.c',
+   '<(src_dir)/src/atomic/SDL_atomic.c',
+   '<(src_dir)/src/atomic/SDL_spinlock.c',
+   '<(src_dir)/src/audio/SDL_audio.c',
+   '<(src_dir)/src/audio/SDL_audiocvt.c',
+   '<(src_dir)/src/audio/SDL_audiodev.c',
+   '<(src_dir)/src/audio/SDL_audiotypecvt.c',
+   '<(src_dir)/src/audio/SDL_mixer.c',
+   '<(src_dir)/src/audio/SDL_wave.c',
+   '<(src_dir)/src/audio/dummy/SDL_dummyaudio.c',
+   '<(src_dir)/src/audio/android/SDL_androidaudio.c',
+   '<(src_dir)/src/cpuinfo/SDL_cpuinfo.c',
+   '<(src_dir)/src/dynapi/SDL_dynapi.c',
+   '<(src_dir)/src/events/SDL_clipboardevents.c',
+   '<(src_dir)/src/events/SDL_dropevents.c',
+   '<(src_dir)/src/events/SDL_events.c',
+   '<(src_dir)/src/events/SDL_gesture.c',
+   '<(src_dir)/src/events/SDL_keyboard.c',
+   '<(src_dir)/src/events/SDL_mouse.c',
+   '<(src_dir)/src/events/SDL_quit.c',
+   '<(src_dir)/src/events/SDL_touch.c',
+   '<(src_dir)/src/events/SDL_windowevents.c',
+   '<(src_dir)/src/file/SDL_rwops.c',
+   '<(src_dir)/src/haptic/SDL_haptic.c',
+   '<(src_dir)/src/joystick/SDL_gamecontroller.c',
+   '<(src_dir)/src/joystick/SDL_joystick.c',
+   '<(src_dir)/src/joystick/android/SDL_sysjoystick.c',
+   '<(src_dir)/src/power/SDL_power.c',
+   '<(src_dir)/src/power/android/SDL_syspower.c',
+   '<(src_dir)/src/loadso/dlopen/SDL_sysloadso.c',
+   '<(src_dir)/src/render/SDL_d3dmath.c',
+   '<(src_dir)/src/render/SDL_render.c',
+   '<(src_dir)/src/render/SDL_yuv_mmx.c',
+   '<(src_dir)/src/render/SDL_yuv_sw.c',
+   '<(src_dir)/src/render/direct3d/SDL_render_d3d.c',
+   '<(src_dir)/src/render/direct3d11/SDL_render_d3d11.c',
+   '<(src_dir)/src/render/opengl/SDL_render_gl.c',
+   '<(src_dir)/src/render/opengl/SDL_shaders_gl.c',
+   '<(src_dir)/src/render/opengles/SDL_render_gles.c',
+   '<(src_dir)/src/render/opengles2/SDL_render_gles2.c',
+   '<(src_dir)/src/render/opengles2/SDL_shaders_gles2.c',
+   '<(src_dir)/src/render/psp/SDL_render_psp.c',
+   '<(src_dir)/src/render/software/SDL_blendfillrect.c',
+   '<(src_dir)/src/render/software/SDL_blendline.c',
+   '<(src_dir)/src/render/software/SDL_blendpoint.c',
+   '<(src_dir)/src/render/software/SDL_drawline.c',
+   '<(src_dir)/src/render/software/SDL_drawpoint.c',
+   '<(src_dir)/src/render/software/SDL_render_sw.c',
+   '<(src_dir)/src/render/software/SDL_rotate.c',
+   '<(src_dir)/src/stdlib/SDL_getenv.c',
+   '<(src_dir)/src/stdlib/SDL_iconv.c',
+   '<(src_dir)/src/stdlib/SDL_malloc.c',
+   '<(src_dir)/src/stdlib/SDL_qsort.c',
+   '<(src_dir)/src/stdlib/SDL_stdlib.c',
+   '<(src_dir)/src/stdlib/SDL_string.c',
+   '<(src_dir)/src/thread/SDL_thread.c',
+   '<(src_dir)/src/timer/SDL_timer.c',
+   '<(src_dir)/src/video/SDL_RLEaccel.c',
+   '<(src_dir)/src/video/SDL_blit.c',
+   '<(src_dir)/src/video/SDL_blit_0.c',
+   '<(src_dir)/src/video/SDL_blit_1.c',
+   '<(src_dir)/src/video/SDL_blit_A.c',
+   '<(src_dir)/src/video/SDL_blit_N.c',
+   '<(src_dir)/src/video/SDL_blit_auto.c',
+   '<(src_dir)/src/video/SDL_blit_copy.c',
+   '<(src_dir)/src/video/SDL_blit_slow.c',
+   '<(src_dir)/src/video/SDL_bmp.c',
+   '<(src_dir)/src/video/SDL_clipboard.c',
+   '<(src_dir)/src/video/SDL_egl.c',
+   '<(src_dir)/src/video/SDL_fillrect.c',
+   '<(src_dir)/src/video/SDL_pixels.c',
+   '<(src_dir)/src/video/SDL_rect.c',
+   '<(src_dir)/src/video/SDL_shape.c',
+   '<(src_dir)/src/video/SDL_stretch.c',
+   '<(src_dir)/src/video/SDL_surface.c',
+   '<(src_dir)/src/video/SDL_video.c',
+   '<(src_dir)/src/video/android/SDL_androidgl.c',
+   '<(src_dir)/src/video/android/SDL_androidkeyboard.c',
+   '<(src_dir)/src/video/android/SDL_androidwindow.c',
+   '<(src_dir)/src/video/android/SDL_androidmouse.c',
+   '<(src_dir)/src/video/android/SDL_androidvideo.c',
+   '<(src_dir)/src/video/android/SDL_androidclipboard.c',
+   '<(src_dir)/src/video/android/SDL_androidtouch.c',
+   '<(src_dir)/src/video/android/SDL_androidevents.c',
+   '<(src_dir)/src/video/android/SDL_androidmessagebox.c',
+   '<(src_dir)/src/thread/pthread/SDL_systhread.c',
+   '<(src_dir)/src/thread/pthread/SDL_syssem.c',
+   '<(src_dir)/src/thread/pthread/SDL_sysmutex.c',
+   '<(src_dir)/src/thread/pthread/SDL_syscond.c',
+   '<(src_dir)/src/thread/pthread/SDL_systls.c',
+   '<(src_dir)/src/filesystem/android/SDL_sysfilesystem.c',
+   '<(src_dir)/src/timer/unix/SDL_systimer.c',
+   '<(src_dir)/src/core/android/SDL_android.c',
+   '<(src_dir)/src/haptic/dummy/SDL_syshaptic.c',
+   '<(src_dir)/src/main/android/SDL_android_main.c',
+ ],
+ 'defines': [ 
+   'GL_GLEXT_PROTOTYPES',
+ ],
+ 'cflags': [
+   '-fPIC',
+   '-O3',
+   '-fvisibility=hidden',
+ ],
+}
diff --git a/third_party/libsdl/sdl.gypi b/third_party/libsdl/sdl.gypi
index 75c59af2fd..8634fc2a2d 100644
--- a/third_party/libsdl/sdl.gypi
+++ b/third_party/libsdl/sdl.gypi
@@ -16,6 +16,7 @@
       'direct_dependent_settings': {
         'include_dirs': [
           '<(src_dir)/include',
+          '<(src_dir)/src',
         ]
       },
       'cflags': [
@@ -28,6 +29,11 @@
             'linux/sdl_linux.gypi',
           ]
         }],
+        ['skia_os == "android"', {
+          'includes': [
+            'android/sdl_android.gypi',
+          ]
+        }],
       ],
     },
   ],