diff --git a/recipes/freeciv/recipe.sh b/recipes/freeciv/recipe.sh
index 70765e96ae5ceb2ed5710c53993c4d7b28c21a3e..2b5d4925c8ce7b52372c30a93890a245e8fed56a 100644
--- a/recipes/freeciv/recipe.sh
+++ b/recipes/freeciv/recipe.sh
@@ -22,6 +22,7 @@ function recipe_build {
--host="$HOST" \
--prefix='' \
--disable-server \
+ --enable-ipv6=no \
--enable-client=sdl \
--enable-fcmp=cli \
--with-sdl-prefix="$sysroot" \
diff --git a/recipes/sdl2/recipe.sh b/recipes/sdl2/recipe.sh
index cbb8f567d2e5b065a27d01b859eee2d4a239f63c..a0875433357d1d03b2e729456955a3cf26fcc7d5 100644
--- a/recipes/sdl2/recipe.sh
+++ b/recipes/sdl2/recipe.sh
@@ -1,6 +1,6 @@
VERSION=2.0.9
-TAR=https://www.libsdl.org/release/SDL2-$VERSION.tar.gz
-BUILD_DEPENDS=(liborbital)
+GIT=https://gitlab.redox-os.org/fabiao/sdl2-src.git
+BUILD_DEPENDS=(liborbital mesa)
function recipe_version {
echo "$VERSION"
@@ -26,7 +26,7 @@ function recipe_build {
--disable-video-x11 \
--disable-loadso \
--disable-sdl-dlopen \
- --disable-threads \
+ --enable-threads \
--enable-audio \
--enable-dummyaudio \
--enable-video-orbital \
diff --git a/recipes/sdl2/redox.patch b/recipes/sdl2/redox.patch
deleted file mode 100644
index d29faa59a4a54279cc2a554079cc2e86e6f4d3c1..0000000000000000000000000000000000000000
--- a/recipes/sdl2/redox.patch
+++ /dev/null
@@ -1,919 +0,0 @@
-diff -ruwN source/configure.in source-new/configure.in
---- source/configure.in 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/configure.in 2019-01-06 17:29:39.198302773 -0700
-@@ -1222,6 +1222,18 @@
- fi
- }
-
-+dnl Set up the Redox Audio driver
-+CheckRedoxAudio()
-+{
-+ AC_ARG_ENABLE(redoxaudio,
-+AC_HELP_STRING([--enable-redoxaudio], [support the redox audio driver [[default=yes]]]),
-+ , enable_redoxaudio=yes)
-+ if test x$enable_audio = xyes -a x$enable_redoxaudio = xyes; then
-+ AC_DEFINE(SDL_AUDIO_DRIVER_REDOX)
-+ SOURCES="$SOURCES $srcdir/src/audio/redox/*.c"
-+ fi
-+}
-+
- dnl rcg07142001 See if the user wants the disk writer audio driver...
- CheckDiskAudio()
- {
-@@ -2282,6 +2294,20 @@
- fi
- }
-
-+dnl Set up the Orbital video driver.
-+CheckOrbitalVideo()
-+{
-+ AC_ARG_ENABLE(video-orbital,
-+AC_HELP_STRING([--enable-video-orbital], [use orbital video driver [[default=yes]]]),
-+ , enable_video_orbital=yes)
-+ if test x$enable_video_orbital = xyes; then
-+ AC_DEFINE(SDL_VIDEO_DRIVER_ORBITAL)
-+ SOURCES="$SOURCES $srcdir/src/video/orbital/*.c"
-+ SDL_LIBS="$SDL_LIBS -Wl,--gc-sections -lorbital"
-+ have_video=yes
-+ fi
-+}
-+
- dnl Set up the QNX video driver if enabled
- CheckQNXVideo()
- {
-@@ -2789,6 +2815,10 @@
- AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
- , enable_pthread_sem=yes)
- case "$host" in
-+ *-*-redox*)
-+ pthread_cflags="-D_REENTRANT"
-+ pthread_lib="-lpthread"
-+ ;;
- *-*-android*)
- pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
- pthread_lib=""
-@@ -3362,7 +3392,7 @@
-
- dnl Set up the configuration based on the host platform!
- case "$host" in
-- *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*|*-*-nto*)
-+ *-*-linux*|*-*-uclinux*|*-*-redox*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*|*-*-nto*)
- case "$host" in
- *-*-android*)
- # Android
-@@ -3383,6 +3413,7 @@
- ;;
- *-*-linux*) ARCH=linux ;;
- *-*-uclinux*) ARCH=linux ;;
-+ *-*-redox*) ARCH=redox ;;
- *-*-kfreebsd*-gnu) ARCH=kfreebsd-gnu ;;
- *-*-knetbsd*-gnu) ARCH=knetbsd-gnu ;;
- *-*-kopenbsd*-gnu) ARCH=kopenbsd-gnu ;;
-@@ -3404,6 +3435,8 @@
- CheckVisibilityHidden
- CheckDeclarationAfterStatement
- CheckDummyVideo
-+ CheckOrbitalVideo
-+ CheckRedoxAudio
- CheckDiskAudio
- CheckDummyAudio
- CheckDLOPEN
-diff -ruwN source/include/SDL_config.h.in source-new/include/SDL_config.h.in
---- source/include/SDL_config.h.in 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/include/SDL_config.h.in 2018-12-31 14:01:08.736950947 -0700
-@@ -263,6 +263,7 @@
- #undef SDL_AUDIO_DRIVER_PULSEAUDIO
- #undef SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC
- #undef SDL_AUDIO_DRIVER_QSA
-+#undef SDL_AUDIO_DRIVER_REDOX
- #undef SDL_AUDIO_DRIVER_SNDIO
- #undef SDL_AUDIO_DRIVER_SNDIO_DYNAMIC
- #undef SDL_AUDIO_DRIVER_SUNAUDIO
-@@ -320,6 +321,7 @@
- #undef SDL_VIDEO_DRIVER_DIRECTFB
- #undef SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC
- #undef SDL_VIDEO_DRIVER_DUMMY
-+#undef SDL_VIDEO_DRIVER_ORBITAL
- #undef SDL_VIDEO_DRIVER_WINDOWS
- #undef SDL_VIDEO_DRIVER_WAYLAND
- #undef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
-diff -ruwN source/src/audio/redox/SDL_redoxaudio.c source-new/src/audio/redox/SDL_redoxaudio.c
---- source/src/audio/redox/SDL_redoxaudio.c 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/audio/redox/SDL_redoxaudio.c 2018-12-31 14:01:08.736950947 -0700
-@@ -0,0 +1,169 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+
-+ This file written by Ryan C. Gordon (icculus@icculus.org)
-+*/
-+#include "SDL_config.h"
-+
-+/* Output raw audio data to a file. */
-+
-+#include <fcntl.h>
-+#include <stdio.h>
-+#include <unistd.h>
-+
-+#include "SDL_timer.h"
-+#include "SDL_audio.h"
-+#include "../SDL_audiomem.h"
-+#include "../SDL_audio_c.h"
-+#include "../SDL_audiodev_c.h"
-+#include "SDL_redoxaudio.h"
-+
-+/* The tag name used by REDOX audio */
-+#define REDOXAUD_DRIVER_NAME "redox"
-+
-+/* Audio driver functions */
-+static int REDOXAUD_OpenAudio(_THIS, SDL_AudioSpec *spec);
-+static void REDOXAUD_WaitAudio(_THIS);
-+static void REDOXAUD_PlayAudio(_THIS);
-+static Uint8 *REDOXAUD_GetAudioBuf(_THIS);
-+static void REDOXAUD_CloseAudio(_THIS);
-+
-+/* Audio driver bootstrap functions */
-+static int REDOXAUD_Available(void)
-+{
-+ return(1);
-+}
-+
-+static void REDOXAUD_DeleteDevice(SDL_AudioDevice *device)
-+{
-+ SDL_free(device->hidden);
-+ SDL_free(device);
-+}
-+
-+static SDL_AudioDevice *REDOXAUD_CreateDevice(int devindex)
-+{
-+ SDL_AudioDevice *this;
-+ const char *envr;
-+
-+ /* Initialize all variables that we clean on shutdown */
-+ this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice));
-+ if ( this ) {
-+ SDL_memset(this, 0, (sizeof *this));
-+ this->hidden = (struct SDL_PrivateAudioData *)
-+ SDL_malloc((sizeof *this->hidden));
-+ }
-+ if ( (this == NULL) || (this->hidden == NULL) ) {
-+ SDL_OutOfMemory();
-+ if ( this ) {
-+ SDL_free(this);
-+ }
-+ return(0);
-+ }
-+ SDL_memset(this->hidden, 0, (sizeof *this->hidden));
-+
-+ this->hidden->output = -1;
-+
-+ /* Set the function pointers */
-+ this->OpenAudio = REDOXAUD_OpenAudio;
-+ this->WaitAudio = REDOXAUD_WaitAudio;
-+ this->PlayAudio = REDOXAUD_PlayAudio;
-+ this->GetAudioBuf = REDOXAUD_GetAudioBuf;
-+ this->CloseAudio = REDOXAUD_CloseAudio;
-+
-+ this->free = REDOXAUD_DeleteDevice;
-+
-+ return this;
-+}
-+
-+AudioBootStrap REDOXAUD_bootstrap = {
-+ REDOXAUD_DRIVER_NAME, "Redox audio",
-+ REDOXAUD_Available, REDOXAUD_CreateDevice
-+};
-+
-+/* This function waits until it is possible to write a full sound buffer */
-+static void REDOXAUD_WaitAudio(_THIS)
-+{}
-+
-+static void REDOXAUD_PlayAudio(_THIS)
-+{
-+ int written;
-+
-+ /* Write the audio data */
-+ written = write(this->hidden->output,
-+ this->hidden->mixbuf,
-+ this->hidden->mixlen);
-+
-+ /* If we couldn't write, assume fatal error for now */
-+ if ( (Uint32)written != this->hidden->mixlen ) {
-+ this->enabled = 0;
-+ }
-+#ifdef DEBUG_AUDIO
-+ fprintf(stderr, "Wrote %d bytes of audio data\n", written);
-+#endif
-+}
-+
-+static Uint8 *REDOXAUD_GetAudioBuf(_THIS)
-+{
-+ return(this->hidden->mixbuf);
-+}
-+
-+static void REDOXAUD_CloseAudio(_THIS)
-+{
-+ if ( this->hidden->mixbuf != NULL ) {
-+ SDL_FreeAudioMem(this->hidden->mixbuf);
-+ this->hidden->mixbuf = NULL;
-+ }
-+ if ( this->hidden->output >= 0 ) {
-+ close(this->hidden->output);
-+ this->hidden->output = -1;
-+ }
-+}
-+
-+static int REDOXAUD_OpenAudio(_THIS, SDL_AudioSpec *spec)
-+{
-+ fprintf(stderr, "WARNING: You are using the SDL redox audio driver!\n");
-+
-+ /* Open the audio device */
-+ this->hidden->output = open("audio:", O_WRONLY);
-+ if ( this->hidden->output < 0 ) {
-+ perror("failed to open audio:");
-+ return(-1);
-+ }
-+
-+ spec->freq = 44100;
-+ spec->format = AUDIO_S16;
-+ spec->channels = 2;
-+ SDL_CalculateAudioSpec(spec);
-+
-+ /* Allocate mixing buffer */
-+ this->hidden->mixlen = spec->size;
-+ this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen);
-+ if ( this->hidden->mixbuf == NULL ) {
-+ perror("failed to allocate audio memory");
-+ return(-1);
-+ }
-+ SDL_memset(this->hidden->mixbuf, spec->silence, spec->size);
-+
-+ fprintf(stderr, "openaudio success\n");
-+
-+ /* We're ready to rock and roll. :-) */
-+ return(0);
-+}
-diff -ruwN source/src/audio/redox/SDL_redoxaudio.h source-new/src/audio/redox/SDL_redoxaudio.h
---- source/src/audio/redox/SDL_redoxaudio.h 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/audio/redox/SDL_redoxaudio.h 2018-12-31 14:01:08.736950947 -0700
-@@ -0,0 +1,40 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+*/
-+#include "SDL_config.h"
-+
-+#ifndef _SDL_redoxaudio_h
-+#define _SDL_redoxaudio_h
-+
-+#include "SDL_rwops.h"
-+#include "../SDL_sysaudio.h"
-+
-+/* Hidden "this" pointer for the video functions */
-+#define _THIS SDL_AudioDevice *this
-+
-+struct SDL_PrivateAudioData {
-+ /* The file descriptor for the audio device */
-+ int output;
-+ Uint8 *mixbuf;
-+ Uint32 mixlen;
-+};
-+
-+#endif /* _SDL_redoxaudio_h */
-diff -ruwN source/src/audio/SDL_audio.c source-new/src/audio/SDL_audio.c
---- source/src/audio/SDL_audio.c 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/src/audio/SDL_audio.c 2018-12-31 14:01:08.736950947 -0700
-@@ -35,6 +35,9 @@
-
- /* Available audio drivers */
- static const AudioBootStrap *const bootstrap[] = {
-+#if SDL_AUDIO_DRIVER_REDOX
-+ &REDOXAUD_bootstrap,
-+#endif
- #if SDL_AUDIO_DRIVER_PULSEAUDIO
- &PULSEAUDIO_bootstrap,
- #endif
-diff -ruwN source/src/audio/SDL_sysaudio.h source-new/src/audio/SDL_sysaudio.h
---- source/src/audio/SDL_sysaudio.h 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/src/audio/SDL_sysaudio.h 2018-12-31 14:01:08.736950947 -0700
-@@ -183,6 +183,7 @@
- } AudioBootStrap;
-
- /* Not all of these are available in a given build. Use #ifdefs, etc. */
-+extern AudioBootStrap REDOXAUD_bootstrap;
- extern AudioBootStrap PULSEAUDIO_bootstrap;
- extern AudioBootStrap ALSA_bootstrap;
- extern AudioBootStrap JACK_bootstrap;
-diff -ruwN source/src/dynapi/SDL_dynapi.h source-new/src/dynapi/SDL_dynapi.h
---- source/src/dynapi/SDL_dynapi.h 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/src/dynapi/SDL_dynapi.h 2018-12-31 14:01:08.736950947 -0700
-@@ -55,6 +55,8 @@
- #define SDL_DYNAMIC_API 0
- #elif defined(__clang_analyzer__)
- #define SDL_DYNAMIC_API 0 /* Turn off for static analysis, so reports are more clear. */
-+#elif defined(__redox__)
-+#define SDL_DYNAMIC_API 0
- #endif
-
- /* everyone else. This is where we turn on the API if nothing forced it off. */
-diff -ruwN source/src/thread/pthread/SDL_systhread.c source-new/src/thread/pthread/SDL_systhread.c
---- source/src/thread/pthread/SDL_systhread.c 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/src/thread/pthread/SDL_systhread.c 2018-12-31 14:01:08.740951021 -0700
-@@ -165,7 +165,11 @@
- for (i = 0; sig_list[i]; ++i) {
- sigaddset(&mask, sig_list[i]);
- }
-+ #if defined(__redox__)
-+ sigprocmask(SIG_BLOCK, &mask, 0);
-+ #else
- pthread_sigmask(SIG_BLOCK, &mask, 0);
-+ #endif
- #endif /* !__NACL__ */
-
-
-diff -ruwN source/src/video/orbital/SDL_orbitalevents.c source-new/src/video/orbital/SDL_orbitalevents.c
---- source/src/video/orbital/SDL_orbitalevents.c 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/video/orbital/SDL_orbitalevents.c 2018-12-31 14:01:08.740951021 -0700
-@@ -0,0 +1,192 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+*/
-+#include "SDL_config.h"
-+
-+#include "SDL.h"
-+#include "../../events/SDL_sysevents.h"
-+#include "../../events/SDL_events_c.h"
-+
-+#include <orbital.h>
-+#include "SDL_orbitalvideo.h"
-+#include "SDL_orbitalevents_c.h"
-+
-+#include <unistd.h>
-+
-+static SDL_Keycode keymap[128];
-+
-+/* Static variables so only changes are reported */
-+static bool last_button_left = false;
-+static bool last_button_middle = false;
-+static bool last_button_right = false;
-+
-+void ORBITAL_PumpEvents(_THIS)
-+{
-+ SDL_Keysym keysym;
-+
-+ SDL_Mouse *mouse = SDL_GetMouse();
-+
-+ void* event_iter = orb_window_events(this->hidden->window);
-+ OrbEventOption oeo = orb_events_next(event_iter);
-+
-+ while (oeo.tag != OrbEventOption_None) {
-+ switch (oeo.tag) {
-+ case OrbEventOption_Key:
-+ keysym.scancode = oeo.key.scancode;
-+ keysym.sym = keymap[oeo.key.scancode];
-+ keysym.mod = KMOD_NONE;
-+
-+ SDL_SendKeyboardKey(oeo.key.pressed ? SDL_PRESSED : SDL_RELEASED, &keysym);
-+ break;
-+ case OrbEventOption_Mouse:
-+ SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, oeo.mouse.x, oeo.mouse.y);
-+ break;
-+ case OrbEventOption_Button:
-+ if (oeo.button.left ^ last_button_left)
-+ SDL_SendMouseButton(mouse->focus, mouse->mouseID, oeo.button.left ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT, 0, 0);
-+ if (oeo.button.middle ^ last_button_middle)
-+ SDL_SendMouseButton(mouse->focus, mouse->mouseID, oeo.button.middle ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE, 0, 0);
-+ if (oeo.button.right ^ last_button_right)
-+ SDL_SendMouseButton(mouse->focus, mouse->mouseID, oeo.button.right ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT, 0, 0);
-+
-+ last_button_left = oeo.button.left;
-+ last_button_middle = oeo.button.middle;
-+ last_button_right = oeo.button.right;
-+ break;
-+ case OrbEventOption_Scroll:
-+ SDL_SendMouseWheel(mouse->focus, mouse->mouseID, oeo.scroll.x, oeo.scroll.y, SDL_MOUSEWHEEL_NORMAL);
-+ break;
-+ case OrbEventOption_Quit:
-+ SDL_PrivateQuit();
-+ break;
-+ case OrbEventOption_Focus:
-+ SDL_PrivateAppActive(oeo.focus.focused, SDL_APPMOUSEFOCUS);
-+ break;
-+ case OrbEventOption_Move:
-+ // oeo.move.x, oeo.move.y
-+ break;
-+ case OrbEventOption_Resize:
-+ SDL_PrivateResize(oeo.resize.width, oeo.resize.height);
-+ break;
-+ case OrbEventOption_Screen:
-+ // oeo.screen.width, oeo.screen.height
-+ break;
-+ case OrbEventOption_Unknown:
-+ // oeo.unknown.code, oeo.unknown.a, oeo.unknown.b
-+ break;
-+ default:
-+ break;
-+ }
-+
-+ oeo = orb_events_next(event_iter);
-+ }
-+
-+ orb_events_destroy(event_iter);
-+}
-+
-+void ORBITAL_InitOSKeymap(_THIS)
-+{
-+ int i;
-+ for ( i = 0; i < SDL_arraysize(keymap); ++i )
-+ keymap[i] = SDLK_UNKNOWN;
-+
-+ keymap[ORB_KEY_ESC] = SDLK_ESCAPE;
-+ keymap[ORB_KEY_1] = SDLK_1;
-+ keymap[ORB_KEY_2] = SDLK_2;
-+ keymap[ORB_KEY_3] = SDLK_3;
-+ keymap[ORB_KEY_4] = SDLK_4;
-+ keymap[ORB_KEY_5] = SDLK_5;
-+ keymap[ORB_KEY_6] = SDLK_6;
-+ keymap[ORB_KEY_7] = SDLK_7;
-+ keymap[ORB_KEY_8] = SDLK_8;
-+ keymap[ORB_KEY_9] = SDLK_9;
-+ keymap[ORB_KEY_0] = SDLK_0;
-+ keymap[ORB_KEY_MINUS] = SDLK_MINUS;
-+ keymap[ORB_KEY_EQUALS] = SDLK_EQUALS;
-+ keymap[ORB_KEY_BKSP] = SDLK_BACKSPACE;
-+ keymap[ORB_KEY_TAB] = SDLK_TAB;
-+ keymap[ORB_KEY_Q] = SDLK_q;
-+ keymap[ORB_KEY_W] = SDLK_w;
-+ keymap[ORB_KEY_E] = SDLK_e;
-+ keymap[ORB_KEY_R] = SDLK_r;
-+ keymap[ORB_KEY_T] = SDLK_t;
-+ keymap[ORB_KEY_Y] = SDLK_y;
-+ keymap[ORB_KEY_U] = SDLK_u;
-+ keymap[ORB_KEY_I] = SDLK_i;
-+ keymap[ORB_KEY_O] = SDLK_o;
-+ keymap[ORB_KEY_P] = SDLK_p;
-+ keymap[ORB_KEY_BRACE_OPEN] = SDLK_LEFTBRACKET;
-+ keymap[ORB_KEY_BRACE_CLOSE] = SDLK_RIGHTBRACKET;
-+ keymap[ORB_KEY_ENTER] = SDLK_RETURN;
-+ keymap[ORB_KEY_CTRL] = SDLK_LCTRL;
-+ keymap[ORB_KEY_A] = SDLK_a;
-+ keymap[ORB_KEY_S] = SDLK_s;
-+ keymap[ORB_KEY_D] = SDLK_d;
-+ keymap[ORB_KEY_F] = SDLK_f;
-+ keymap[ORB_KEY_G] = SDLK_g;
-+ keymap[ORB_KEY_H] = SDLK_h;
-+ keymap[ORB_KEY_J] = SDLK_j;
-+ keymap[ORB_KEY_K] = SDLK_k;
-+ keymap[ORB_KEY_L] = SDLK_l;
-+ keymap[ORB_KEY_SEMICOLON] = SDLK_SEMICOLON;
-+ keymap[ORB_KEY_QUOTE] = SDLK_QUOTE;
-+ keymap[ORB_KEY_TICK] = SDLK_BACKQUOTE;
-+ keymap[ORB_KEY_LEFT_SHIFT] = SDLK_LSHIFT;
-+ keymap[ORB_KEY_RIGHT_SHIFT] = SDLK_RSHIFT;
-+ keymap[ORB_KEY_BACKSLASH] = SDLK_BACKSLASH;
-+ keymap[ORB_KEY_Z] = SDLK_z;
-+ keymap[ORB_KEY_X] = SDLK_x;
-+ keymap[ORB_KEY_C] = SDLK_c;
-+ keymap[ORB_KEY_V] = SDLK_v;
-+ keymap[ORB_KEY_B] = SDLK_b;
-+ keymap[ORB_KEY_N] = SDLK_n;
-+ keymap[ORB_KEY_M] = SDLK_m;
-+ keymap[ORB_KEY_COMMA] = SDLK_COMMA;
-+ keymap[ORB_KEY_PERIOD] = SDLK_PERIOD;
-+ keymap[ORB_KEY_SLASH] = SDLK_SLASH;
-+ keymap[ORB_KEY_ALT] = SDLK_LALT;
-+ keymap[ORB_KEY_SPACE] = SDLK_SPACE;
-+ keymap[ORB_KEY_CAPS] = SDLK_CAPSLOCK;
-+ keymap[ORB_KEY_F1] = SDLK_F1;
-+ keymap[ORB_KEY_F2] = SDLK_F2;
-+ keymap[ORB_KEY_F3] = SDLK_F3;
-+ keymap[ORB_KEY_F4] = SDLK_F4;
-+ keymap[ORB_KEY_F5] = SDLK_F5;
-+ keymap[ORB_KEY_F6] = SDLK_F6;
-+ keymap[ORB_KEY_F7] = SDLK_F7;
-+ keymap[ORB_KEY_F8] = SDLK_F8;
-+ keymap[ORB_KEY_F9] = SDLK_F9;
-+ keymap[ORB_KEY_F10] = SDLK_F10;
-+ keymap[ORB_KEY_F11] = SDLK_F11;
-+ keymap[ORB_KEY_F12] = SDLK_F12;
-+ keymap[ORB_KEY_HOME] = SDLK_HOME;
-+ keymap[ORB_KEY_UP] = SDLK_UP;
-+ keymap[ORB_KEY_PGUP] = SDLK_PAGEUP;
-+ keymap[ORB_KEY_LEFT] = SDLK_LEFT;
-+ keymap[ORB_KEY_RIGHT] = SDLK_RIGHT;
-+ keymap[ORB_KEY_END] = SDLK_END;
-+ keymap[ORB_KEY_DOWN] = SDLK_DOWN;
-+ keymap[ORB_KEY_PGDN] = SDLK_PAGEDOWN;
-+ keymap[ORB_KEY_INSERT] = SDLK_INSERT;
-+ keymap[ORB_KEY_DEL] = SDLK_DELETE;
-+}
-+
-+/* end of SDL_orbitalevents.c ... */
-diff -ruwN source/src/video/orbital/SDL_orbitalevents_c.h source-new/src/video/orbital/SDL_orbitalevents_c.h
---- source/src/video/orbital/SDL_orbitalevents_c.h 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/video/orbital/SDL_orbitalevents_c.h 2018-12-31 14:01:08.740951021 -0700
-@@ -0,0 +1,32 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+*/
-+#include "SDL_config.h"
-+
-+#include "SDL_orbitalvideo.h"
-+
-+/* Variables and functions exported by SDL_sysevents.c to other parts
-+ of the native video subsystem (SDL_sysvideo.c)
-+*/
-+extern void ORBITAL_InitOSKeymap(_THIS);
-+extern void ORBITAL_PumpEvents(_THIS);
-+
-+/* end of SDL_orbitalevents_c.h ... */
-diff -ruwN source/src/video/orbital/SDL_orbitalmouse.c source-new/src/video/orbital/SDL_orbitalmouse.c
---- source/src/video/orbital/SDL_orbitalmouse.c 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/video/orbital/SDL_orbitalmouse.c 2018-12-31 14:01:08.740951021 -0700
-@@ -0,0 +1,33 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+*/
-+#include "SDL_config.h"
-+
-+#include "SDL_mouse.h"
-+#include "../../events/SDL_events_c.h"
-+
-+#include "SDL_orbitalmouse_c.h"
-+
-+
-+/* The implementation dependent data for the window manager cursor */
-+struct WMcursor {
-+ int unused;
-+};
-diff -ruwN source/src/video/orbital/SDL_orbitalmouse_c.h source-new/src/video/orbital/SDL_orbitalmouse_c.h
---- source/src/video/orbital/SDL_orbitalmouse_c.h 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/video/orbital/SDL_orbitalmouse_c.h 2018-12-31 14:01:08.740951021 -0700
-@@ -0,0 +1,26 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+*/
-+#include "SDL_config.h"
-+
-+#include "SDL_orbitalvideo.h"
-+
-+/* Functions to be exported */
-diff -ruwN source/src/video/orbital/SDL_orbitalvideo.c source-new/src/video/orbital/SDL_orbitalvideo.c
---- source/src/video/orbital/SDL_orbitalvideo.c 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/video/orbital/SDL_orbitalvideo.c 2018-12-31 14:01:08.740951021 -0700
-@@ -0,0 +1,182 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+*/
-+#include "SDL_config.h"
-+
-+/* Orbital SDL video driver implementation
-+ *
-+ * Initial work by Ryan C. Gordon (icculus@icculus.org). A good portion
-+ * of this was cut-and-pasted from Stephane Peter's work in the AAlib
-+ * SDL video driver. Renamed to "DUMMY" by Sam Lantinga.
-+ * Repurposed to ORBITAL by Jeremy Soller.
-+ */
-+
-+#include "SDL_video.h"
-+#include "SDL_mouse.h"
-+#include "../SDL_sysvideo.h"
-+#include "../SDL_pixels_c.h"
-+#include "../../events/SDL_events_c.h"
-+
-+#include <orbital.h>
-+#include "SDL_orbitalvideo.h"
-+#include "SDL_orbitalevents_c.h"
-+#include "SDL_orbitalmouse_c.h"
-+
-+#include <fcntl.h>
-+#include <sys/types.h>
-+#include <sys/stat.h>
-+#include <unistd.h>
-+
-+#define ORBITALVID_DRIVER_NAME "orbital"
-+
-+/* Initialization/Query functions */
-+static int ORBITAL_VideoInit(_THIS);
-+static void ORBITAL_VideoQuit(_THIS);
-+
-+/* ORBITAL driver bootstrap functions */
-+
-+static int ORBITAL_Available(void)
-+{
-+ return(1);
-+}
-+
-+static void ORBITAL_DeleteDevice(SDL_VideoDevice *device)
-+{
-+ SDL_free(device->hidden);
-+ SDL_free(device);
-+}
-+
-+static SDL_VideoDevice *ORBITAL_CreateDevice(int devindex)
-+{
-+ SDL_VideoDevice *device;
-+
-+ /* Initialize all variables that we clean on shutdown */
-+ device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
-+ if ( device ) {
-+ SDL_memset(device, 0, (sizeof *device));
-+ device->hidden = (struct SDL_PrivateVideoData *)
-+ SDL_malloc((sizeof *device->hidden));
-+ }
-+ if ( (device == NULL) || (device->hidden == NULL) ) {
-+ SDL_OutOfMemory();
-+ if ( device ) {
-+ SDL_free(device);
-+ }
-+ return(0);
-+ }
-+ SDL_memset(device->hidden, 0, (sizeof *device->hidden));
-+
-+ /* Set the function pointers */
-+ device->VideoInit = ORBITAL_VideoInit;
-+ device->VideoQuit = ORBITAL_VideoQuit;
-+ device->InitOSKeymap = ORBITAL_InitOSKeymap;
-+ device->PumpEvents = ORBITAL_PumpEvents;
-+
-+ device->free = ORBITAL_DeleteDevice;
-+
-+ return device;
-+}
-+
-+VideoBootStrap ORBITAL_bootstrap = {
-+ ORBITALVID_DRIVER_NAME, "SDL orbital video driver",
-+ ORBITAL_Available, ORBITAL_CreateDevice
-+};
-+
-+
-+int ORBITAL_VideoInit(_THIS)
-+{
-+ fprintf(stderr, "WARNING: You are using the SDL orbital video driver!\n");
-+
-+ /* We're done! */
-+ return(0);
-+}
-+
-+/* Note: If we are terminated, this could be called in the middle of
-+ another SDL video routine -- notably UpdateRects.
-+*/
-+void ORBITAL_VideoQuit(_THIS)
-+{
-+ if (this->hidden->window) {
-+ orb_window_destroy(this->hidden->window);
-+ this->hidden->window = NULL;
-+ this->screen->pixels = NULL;
-+ }
-+}
-+
-+#if 0
-+SDL_Surface *ORBITAL_SetVideoMode(_THIS, SDL_Surface *current,
-+ int width, int height, int bpp, Uint32 flags)
-+{
-+ if ( bpp != 32 ) {
-+ SDL_SetError("Unsupported color depth - must use 32-bits per pixel");
-+ return(NULL);
-+ }
-+
-+ if (this->hidden->window) {
-+ orb_window_set_size(this->hidden->window, width, height);
-+ } else {
-+ uint32_t orb_flags = ORB_WINDOW_ASYNC;
-+ if (flags & SDL_RESIZABLE)
-+ orb_flags |= ORB_WINDOW_RESIZABLE;
-+
-+ this->hidden->window = orb_window_new_flags(-1, -1, width, height, "SDL", orb_flags);
-+ if (!this->hidden->window) {
-+ SDL_SetError("Couldn't create window for requested mode");
-+ return(NULL);
-+ }
-+ }
-+
-+ fprintf(stderr, "Setting mode %dx%d@%d\n", width, height, bpp);
-+
-+ /* Allocate the new pixel format for the screen */
-+ if ( ! SDL_ReallocFormat(current, bpp, 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000) ) {
-+ orb_window_destroy(this->hidden->window);
-+ this->hidden->window = NULL;
-+
-+ SDL_SetError("Couldn't allocate new pixel format for requested mode");
-+ return(NULL);
-+ }
-+
-+ /* Set up the new mode framebuffer */
-+ current->flags = flags /*& SDL_FULLSCREEN*/;
-+ current->w = width;
-+ current->h = height;
-+ current->pitch = width * (bpp / 8);
-+ current->pixels = orb_window_data(this->hidden->window);
-+
-+ /* We're done */
-+ return(current);
-+}
-+
-+static void ORBITAL_SetCaption(_THIS, const char *title, const char *icon)
-+{
-+ if (this->hidden->window)
-+ orb_window_set_title(this->hidden->window, title);
-+}
-+
-+static void ORBITAL_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
-+{
-+ if (this->hidden->window) {
-+ SDL_SetAlphaChannel(this->screen, SDL_ALPHA_OPAQUE);
-+ orb_window_sync(this->hidden->window);
-+ }
-+}
-+#endif
-diff -ruwN source/src/video/orbital/SDL_orbitalvideo.h source-new/src/video/orbital/SDL_orbitalvideo.h
---- source/src/video/orbital/SDL_orbitalvideo.h 1969-12-31 17:00:00.000000000 -0700
-+++ source-new/src/video/orbital/SDL_orbitalvideo.h 2018-12-31 14:01:08.740951021 -0700
-@@ -0,0 +1,39 @@
-+/*
-+ SDL - Simple DirectMedia Layer
-+ Copyright (C) 1997-2012 Sam Lantinga
-+
-+ This library is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU Lesser General Public
-+ License as published by the Free Software Foundation; either
-+ version 2.1 of the License, or (at your option) any later version.
-+
-+ This library is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ Lesser General Public License for more details.
-+
-+ You should have received a copy of the GNU Lesser General Public
-+ License along with this library; if not, write to the Free Software
-+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+
-+ Sam Lantinga
-+ slouken@libsdl.org
-+*/
-+#include "SDL_config.h"
-+
-+#ifndef _SDL_orbitalvideo_h
-+#define _SDL_orbitalvideo_h
-+
-+#include "../SDL_sysvideo.h"
-+
-+/* Hidden "this" pointer for the video functions */
-+#define _THIS SDL_VideoDevice *this
-+
-+
-+/* Private display data */
-+
-+struct SDL_PrivateVideoData {
-+ void *window;
-+};
-+
-+#endif /* _SDL_orbitalvideo_h */
-diff -ruwN source/src/video/SDL_sysvideo.h source-new/src/video/SDL_sysvideo.h
---- source/src/video/SDL_sysvideo.h 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/src/video/SDL_sysvideo.h 2018-12-31 14:01:08.740951021 -0700
-@@ -416,6 +416,7 @@
- extern VideoBootStrap PSP_bootstrap;
- extern VideoBootStrap RPI_bootstrap;
- extern VideoBootStrap KMSDRM_bootstrap;
-+extern VideoBootStrap ORBITAL_bootstrap;
- extern VideoBootStrap DUMMY_bootstrap;
- extern VideoBootStrap Wayland_bootstrap;
- extern VideoBootStrap NACL_bootstrap;
-diff -ruwN source/src/video/SDL_video.c source-new/src/video/SDL_video.c
---- source/src/video/SDL_video.c 2018-10-31 09:07:22.000000000 -0600
-+++ source-new/src/video/SDL_video.c 2018-12-31 14:01:08.740951021 -0700
-@@ -112,6 +112,9 @@
- #if SDL_VIDEO_DRIVER_QNX
- &QNX_bootstrap,
- #endif
-+#if SDL_VIDEO_DRIVER_ORBITAL
-+ &ORBITAL_bootstrap,
-+#endif
- #if SDL_VIDEO_DRIVER_DUMMY
- &DUMMY_bootstrap,
- #endif
diff --git a/recipes/sdl2_gears/gears.c b/recipes/sdl2_gears/gears.c
new file mode 100644
index 0000000000000000000000000000000000000000..ffa67d0830db804e3f0db41a2968264b87bb732e
--- /dev/null
+++ b/recipes/sdl2_gears/gears.c
@@ -0,0 +1,359 @@
+/* gears.c */
+
+/*
+ * 3-D gear wheels. This program is in the public domain.
+ *
+ * Brian Paul
+ */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+#include <math.h>
+#include <stdlib.h>
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <SDL2/SDL.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+/**
+
+ Draw a gear wheel. You'll probably want to call this function when
+ building a display list since we do a lot of trig here.
+
+ Input: inner_radius - radius of hole at center
+ outer_radius - radius at center of teeth
+ width - width of gear
+ teeth - number of teeth
+ tooth_depth - depth of tooth
+
+ **/
+
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+ GLint teeth, GLfloat tooth_depth)
+{
+ GLint i;
+ GLfloat r0, r1, r2;
+ GLfloat angle, da;
+ GLfloat u, v, len;
+
+ r0 = inner_radius;
+ r1 = outer_radius - tooth_depth / 2.0;
+ r2 = outer_radius + tooth_depth / 2.0;
+
+ da = 2.0 * M_PI / teeth / 4.0;
+
+ glShadeModel(GL_FLAT);
+
+ glNormal3f(0.0, 0.0, 1.0);
+
+ /* draw front face */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++)
+ {
+ angle = i * 2.0 * M_PI / teeth;
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ }
+ glEnd();
+
+ /* draw front sides of teeth */
+ glBegin(GL_QUADS);
+ da = 2.0 * M_PI / teeth / 4.0;
+ for (i = 0; i < teeth; i++)
+ {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ }
+ glEnd();
+
+ glNormal3f(0.0, 0.0, -1.0);
+
+ /* draw back face */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++)
+ {
+ angle = i * 2.0 * M_PI / teeth;
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ }
+ glEnd();
+
+ /* draw back sides of teeth */
+ glBegin(GL_QUADS);
+ da = 2.0 * M_PI / teeth / 4.0;
+ for (i = 0; i < teeth; i++)
+ {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ }
+ glEnd();
+
+ /* draw outward faces of teeth */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i < teeth; i++)
+ {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ u = r2 * cos(angle + da) - r1 * cos(angle);
+ v = r2 * sin(angle + da) - r1 * sin(angle);
+ len = sqrt(u * u + v * v);
+ u /= len;
+ v /= len;
+ glNormal3f(v, -u, 0.0);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+ glNormal3f(cos(angle), sin(angle), 0.0);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+ u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+ v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+ glNormal3f(v, -u, 0.0);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glNormal3f(cos(angle), sin(angle), 0.0);
+ }
+
+ glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+ glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+ glEnd();
+
+ glShadeModel(GL_SMOOTH);
+
+ /* draw inside radius cylinder */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++)
+ {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glNormal3f(-cos(angle), -sin(angle), 0.0);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ }
+ glEnd();
+}
+
+static int width = 800;
+static int height = 600;
+
+static SDL_Window *window = NULL;
+static SDL_GLContext context = NULL;
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+static GLfloat delta = 2.0f;
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1.0, 0.0, 0.0);
+ glRotatef(view_roty, 0.0, 1.0, 0.0);
+ glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+ glPushMatrix();
+ glTranslatef(-3.0, -2.0, 0.0);
+ glRotatef(angle, 0.0, 0.0, 1.0);
+ glCallList(gear1);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(3.1, -2.0, 0.0);
+ glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+ glCallList(gear2);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(-3.1, 4.2, 0.0);
+ glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+ glCallList(gear3);
+ glPopMatrix();
+
+ glPopMatrix();
+
+ glFinish();
+}
+
+static void
+idle(void)
+{
+ angle += delta;
+ if (angle > 360.0f)
+ angle -= 360.0f;
+
+ draw();
+
+ SDL_GL_SwapWindow(window);
+}
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat h = (GLfloat)height / (GLfloat)width;
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -40.0);
+}
+
+static void
+init(void)
+{
+ static GLfloat pos[4] =
+ {5.0, 5.0, 10.0, 0.0};
+ static GLfloat red[4] =
+ {0.8, 0.1, 0.0, 1.0};
+ static GLfloat green[4] =
+ {0.0, 0.8, 0.2, 1.0};
+ static GLfloat blue[4] =
+ {0.2, 0.2, 1.0, 1.0};
+
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+
+ /* make the gears */
+ gear1 = glGenLists(1);
+ glNewList(gear1, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+ gear(1.0, 4.0, 1.0, 20, 0.7);
+ glEndList();
+
+ gear2 = glGenLists(1);
+ glNewList(gear2, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+ gear(0.5, 2.0, 2.0, 10, 0.7);
+ glEndList();
+
+ gear3 = glGenLists(1);
+ glNewList(gear3, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+ gear(1.3, 2.0, 0.5, 10, 0.7);
+ glEndList();
+
+ glEnable(GL_NORMALIZE);
+}
+
+void CheckSDLError(int line)
+{
+ const char* error = SDL_GetError();
+ if (error != "")
+ {
+ printf("SLD Error: %s\n", error);
+
+ if (line != -1)
+ printf("\nLine: %d\n", line);
+
+ SDL_ClearError();
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ printf("Initializing SDL\n");
+ if (SDL_Init(SDL_INIT_VIDEO) < 0)
+ {
+ printf("Failed to init SDL\n");
+ CheckSDLError(__LINE__);
+ return -1;
+ }
+
+ printf("Creating SDL window\n");
+ window = SDL_CreateWindow(
+ "Gears",
+ -1,
+ -1,
+ width,
+ height,
+ SDL_WINDOW_OPENGL
+ );
+ if (window == NULL)
+ {
+ printf("Unable to create window\n");
+ CheckSDLError(__LINE__);
+ return -1;
+ }
+ printf("SDL window created %p\n", window);
+
+ printf("Creating SDL GL context\n");
+ context = SDL_GL_CreateContext(window);
+ if (context == NULL)
+ {
+ printf("Unable to create SDL GL context\n");
+ CheckSDLError(__LINE__);
+ return -1;
+ }
+ printf("SDL GL context created %p\n", context);
+
+ init();
+
+ reshape(width, height);
+
+ int running = 1;
+ SDL_Event event;
+ while (running)
+ {
+ idle();
+
+ while (SDL_PollEvent(&event))
+ {
+ if (event.type == SDL_QUIT)
+ running = 0;
+
+ if (event.type == SDL_KEYDOWN)
+ {
+ switch (event.key.keysym.sym)
+ {
+ case SDLK_a:
+ delta += 1.0f;
+ break;
+ case SDLK_s:
+ delta -= 1.0f;
+ break;
+ case SDLK_ESCAPE:
+ running = 0;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+
+ SDL_GL_DeleteContext(context);
+
+ SDL_DestroyWindow(window);
+
+ // Shutdown SDL 2
+ SDL_Quit();
+
+ return 0;
+}
diff --git a/recipes/sdl2_gears/recipe.sh b/recipes/sdl2_gears/recipe.sh
new file mode 100644
index 0000000000000000000000000000000000000000..3a7c139a52c85f32b49f74edd53fbd902140ab43
--- /dev/null
+++ b/recipes/sdl2_gears/recipe.sh
@@ -0,0 +1,42 @@
+BUILD_DEPENDS=(sdl2 liborbital llvm mesa mesa_glu zlib)
+
+function recipe_version {
+ printf "1.0.0"
+ skip=1
+}
+
+function recipe_update {
+ echo "skipping update"
+ skip=1
+}
+
+function recipe_prepare {
+ rm -rf source
+ mkdir source
+ cp gears.c source
+}
+
+function recipe_build {
+ sysroot="$(realpath ../sysroot)"
+ set -x
+ "${CXX}" -O2 -I "$sysroot/include" -L "$sysroot/lib" gears.c -o sdl2_gears -lSDL2 -lorbital $("${PKG_CONFIG}" --libs glu) -lglapi -lz
+ set +x
+ skip=1
+}
+
+function recipe_test {
+ echo "skipping test"
+ skip=1
+}
+
+function recipe_clean {
+ make clean
+ skip=1
+}
+
+function recipe_stage {
+ dest="$(realpath $1)"
+ mkdir -pv "$dest/bin"
+ cp -v "sdl2_gears" "$dest/bin/sdl2_gears"
+ skip=1
+}