Added sunxi graphics backend. No additional libs or blobs required.

Makefile.common

@@ -72,7 +72,7 @@ endif
 
 ifeq ($(findstring Haiku,$(OS)),)
    LIBS += -lm
-   DEBUG_FLAG = -g
+   #DEBUG_FLAG = -g
 else
    LIBS += -lroot -lnetwork
    # stable and nightly haiku builds are stuck on gdb 6.x but we use gcc4
@@ -512,6 +512,10 @@ ifeq ($(HAVE_EXYNOS), 1)
    DEFINES += $(DRM_CFLAGS) $(EXYNOS_CFLAGS)
 endif
 
+ifeq ($(HAVE_SUNXI), 1)
+   OBJ += gfx/drivers/sunxi_gfx.o gfx/pixman/pixman-arm-neon-asm.o
+endif
+
 ifeq ($(HAVE_VG), 1)
    OBJ += gfx/drivers/vg.o libretro-common/gfx/math/matrix_3x3.o
    DEFINES += $(VG_CFLAGS)

config.def.h

@@ -43,6 +43,7 @@ enum
    VIDEO_NULL,
    VIDEO_OMAP,
    VIDEO_EXYNOS,
+   VIDEO_SUNXI,
 
    AUDIO_RSOUND,
    AUDIO_OSS,

gfx/pixman/pixman-arm-asm.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2008 Mozilla Corporation
+ * Copyright © 2010 Nokia Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Mozilla Corporation not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Mozilla Corporation makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author:  Jeff Muizelaar (jeff@infidigm.net)
+ *
+ */
+
+/* Supplementary macro for setting function attributes */
+.macro pixman_asm_function fname
+	.func fname
+	.global fname
+#ifdef __ELF__
+	.hidden fname
+	.type fname, %function
+#endif
+fname:
+.endm

gfx/video_driver.c

@@ -59,6 +59,9 @@ static const video_driver_t *video_drivers[] = {
 #endif
 #ifdef HAVE_EXYNOS
    &video_exynos,
+#endif
+#ifdef HAVE_SUNXI
+   &video_sunxi,
 #endif
    &video_null,
    NULL,

gfx/video_driver.h

@@ -186,6 +186,7 @@ extern video_driver_t video_sdl2;
 extern video_driver_t video_vg;
 extern video_driver_t video_omap;
 extern video_driver_t video_exynos;
+extern video_driver_t video_sunxi;
 extern video_driver_t video_null;
 
 enum rarch_display_type

qb/config.libs.sh

@@ -348,6 +348,6 @@ add_define_make OS "$OS"
 
 # Creates config.mk and config.h.
 add_define_make GLOBAL_CONFIG_DIR "$GLOBAL_CONFIG_DIR"
-VARS="RGUI LAKKA GLUI XMB ALSA OSS OSS_BSD OSS_LIB AL RSOUND ROAR JACK COREAUDIO PULSE SDL SDL2 D3D9 DINPUT WINXINPUT DSOUND XAUDIO OPENGL EXYNOS OMAP GLES GLES3 VG EGL KMS GBM DRM DYLIB GETOPT_LONG THREADS CG LIBXML2 ZLIB DYNAMIC FFMPEG AVCODEC AVFORMAT AVUTIL SWSCALE FREETYPE XKBCOMMON XVIDEO X11 XEXT XF86VM XINERAMA WAYLAND MALI_FBDEV VIVANTE_FBDEV NETWORKING NETPLAY NETWORK_CMD STDIN_CMD COMMAND SOCKET_LEGACY FBO STRL STRCASESTR MMAP PYTHON FFMPEG_ALLOC_CONTEXT3 FFMPEG_AVCODEC_OPEN2 FFMPEG_AVIO_OPEN FFMPEG_AVFORMAT_WRITE_HEADER FFMPEG_AVFORMAT_NEW_STREAM FFMPEG_AVCODEC_ENCODE_AUDIO2 FFMPEG_AVCODEC_ENCODE_VIDEO2 BSV_MOVIE VIDEOCORE NEON FLOATHARD FLOATSOFTFP UDEV V4L2 AV_CHANNEL_LAYOUT 7ZIP PARPORT"
+VARS="RGUI LAKKA GLUI XMB ALSA OSS OSS_BSD OSS_LIB AL RSOUND ROAR JACK COREAUDIO PULSE SDL SDL2 D3D9 DINPUT WINXINPUT DSOUND XAUDIO OPENGL EXYNOS SUNXI OMAP GLES GLES3 VG EGL KMS GBM DRM DYLIB GETOPT_LONG THREADS CG LIBXML2 ZLIB DYNAMIC FFMPEG AVCODEC AVFORMAT AVUTIL SWSCALE FREETYPE XKBCOMMON XVIDEO X11 XEXT XF86VM XINERAMA WAYLAND MALI_FBDEV VIVANTE_FBDEV NETWORKING NETPLAY NETWORK_CMD STDIN_CMD COMMAND SOCKET_LEGACY FBO STRL STRCASESTR MMAP PYTHON FFMPEG_ALLOC_CONTEXT3 FFMPEG_AVCODEC_OPEN2 FFMPEG_AVIO_OPEN FFMPEG_AVFORMAT_WRITE_HEADER FFMPEG_AVFORMAT_NEW_STREAM FFMPEG_AVCODEC_ENCODE_AUDIO2 FFMPEG_AVCODEC_ENCODE_VIDEO2 BSV_MOVIE VIDEOCORE NEON FLOATHARD FLOATSOFTFP UDEV V4L2 AV_CHANNEL_LAYOUT 7ZIP PARPORT"
 create_config_make config.mk $VARS
 create_config_header config.h $VARS

qb/config.params.sh

@@ -25,6 +25,7 @@ HAVE_OMAP=no            # Enable OMAP video support
 HAVE_XINERAMA=auto      # Disable Xinerama support.
 HAVE_KMS=auto           # Enable KMS context support
 HAVE_EXYNOS=no          # Enable Exynos video support
+HAVE_SUNXI=no           # Enable Sunxi video support
 HAVE_EGL=auto           # Enable EGL context support
 HAVE_VG=auto            # Enable OpenVG support
 HAVE_CG=auto            # Enable Cg shader support

settings.c

@@ -155,6 +155,8 @@ const char *config_get_default_video(void)
          return "omap";
       case VIDEO_EXYNOS:
          return "exynos";
+      case VIDEO_SUNXI:
+         return "sunxi";
       default:
          break;
    }

settings_data.c

@@ -1969,6 +1969,12 @@ int setting_data_get_description(const char *label, char *msg,
                " \n"
                "Performance for software rendered cores \n"
                "should be optimal.");
+      else if (!strcmp(g_settings.video.driver, "sunxi"))
+         snprintf(msg, sizeof_msg,
+               " -- Sunxi-G2D Video Driver. \n"
+               " \n"
+               "This is a low-level Sunxi video driver. \n"
+               "Uses the G2D block in Allwinner SoCs.");
       else
          snprintf(msg, sizeof_msg,
                " -- Current Video driver.");