diff --git a/minuitwrp/Android.mk b/minuitwrp/Android.mk
index 01225c3..39c61c4 100644
--- a/minuitwrp/Android.mk
+++ b/minuitwrp/Android.mk
@@ -2,12 +2,20 @@
 
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES := events.c resources.c graphics_overlay.c graphics_utils.c truetype.c
+LOCAL_SRC_FILES := \
+    graphics.cpp \
+    graphics_fbdev.cpp \
+    resources.cpp \
+    graphics_overlay.cpp \
+    truetype.cpp \
+    graphics_utils.cpp \
+    events.cpp
 
 ifneq ($(TW_BOARD_CUSTOM_GRAPHICS),)
-    LOCAL_SRC_FILES += $(TW_BOARD_CUSTOM_GRAPHICS)
-else
-    LOCAL_SRC_FILES += graphics.c
+    $(warning ****************************************************************************)
+    $(warning * TW_BOARD_CUSTOM_GRAPHICS support has been deprecated in TWRP.            *)
+    $(warning ****************************************************************************)
+    $(error stopping)
 endif
 
 ifeq ($(TW_TARGET_USES_QCOM_BSP), true)
@@ -17,25 +25,39 @@
     LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
   else
     ifeq ($(TARGET_CUSTOM_KERNEL_HEADERS),)
-      LOCAL_C_INCLUDES += $(commands_recovery_local_path)/minuitwrp/include
+      LOCAL_C_INCLUDES += $(commands_recovery_local_path)/minui/include
     else
       LOCAL_C_INCLUDES += $(TARGET_CUSTOM_KERNEL_HEADERS)
     endif
   endif
 else
-  LOCAL_C_INCLUDES += $(commands_recovery_local_path)/minuitwrp/include
+  LOCAL_C_INCLUDES += $(commands_recovery_local_path)/minui/include
+  # The header files required for adf graphics can cause compile errors
+  # with adf graphics.
+  ifneq ($(wildcard system/core/adf/Android.mk),)
+    LOCAL_CFLAGS += -DHAS_ADF
+    LOCAL_SRC_FILES += graphics_adf.cpp
+    LOCAL_WHOLE_STATIC_LIBRARIES += libadf
+  endif
 endif
 
 ifeq ($(TW_NEW_ION_HEAP), true)
   LOCAL_CFLAGS += -DNEW_ION_HEAP
 endif
 
+ifneq ($(wildcard external/libdrm/Android.mk),)
+  LOCAL_CFLAGS += -DHAS_DRM
+  LOCAL_SRC_FILES += graphics_drm.cpp
+  LOCAL_WHOLE_STATIC_LIBRARIES += libdrm
+endif
+
 LOCAL_C_INCLUDES += \
     external/libpng \
     external/zlib \
     system/core/include \
     external/jpeg \
-    external/freetype/include
+    external/freetype/include \
+    external/libcxx/include
 
 ifeq ($(RECOVERY_TOUCHSCREEN_SWAP_XY), true)
 LOCAL_CFLAGS += -DRECOVERY_TOUCHSCREEN_SWAP_XY
@@ -76,6 +98,12 @@
   LOCAL_CFLAGS += -DRECOVERY_RGB_565
 endif
 
+ifneq ($(TARGET_RECOVERY_OVERSCAN_PERCENT),)
+  LOCAL_CFLAGS += -DOVERSCAN_PERCENT=$(TARGET_RECOVERY_OVERSCAN_PERCENT)
+else
+  LOCAL_CFLAGS += -DOVERSCAN_PERCENT=0
+endif
+
 ifeq ($(TARGET_RECOVERY_PIXEL_FORMAT),"RGBX_8888")
   LOCAL_CFLAGS += -DRECOVERY_RGBX
 endif
@@ -120,6 +148,8 @@
     $(error stopping)
 endif
 
+LOCAL_CLANG := true
+
 LOCAL_CFLAGS += -DTWRES=\"$(TWRES_PATH)\"
 LOCAL_SHARED_LIBRARIES += libft2 libz libc libcutils libjpeg libpng libutils
 LOCAL_STATIC_LIBRARIES += libpixelflinger_twrp
diff --git a/minuitwrp/events.c b/minuitwrp/events.cpp
similarity index 99%
rename from minuitwrp/events.c
rename to minuitwrp/events.cpp
index 4e10e72..d4ca0ab 100644
--- a/minuitwrp/events.c
+++ b/minuitwrp/events.cpp
@@ -243,7 +243,7 @@
     printf("EV: MT minX: %d  maxX: %d  minY: %d  maxY: %d\n", e->mt_p.xi.minimum, e->mt_p.xi.maximum, e->mt_p.yi.minimum, e->mt_p.yi.maximum);
 #endif
 
-    e->vks = malloc(sizeof(*e->vks) * e->vk_count);
+    e->vks = (virtualkey *)malloc(sizeof(*e->vks) * e->vk_count);
 
     for (i = 0; i < e->vk_count; ++i) {
         char *token[6];
diff --git a/minuitwrp/graphics.c b/minuitwrp/graphics.c
deleted file mode 100644
index fb86c14..0000000
--- a/minuitwrp/graphics.c
+++ /dev/null
@@ -1,754 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-
-#include <linux/fb.h>
-#include <linux/kd.h>
-
-#include <pixelflinger/pixelflinger.h>
-
-#include "minui.h"
-#include "../gui/placement.h"
-
-#ifdef RECOVERY_BGRA
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_BGRA_8888
-#define PIXEL_SIZE 4
-#endif
-#ifdef RECOVERY_RGBA
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBA_8888
-#define PIXEL_SIZE   4
-#endif
-#ifdef RECOVERY_RGBX
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBX_8888
-#define PIXEL_SIZE 4
-#endif
-#ifndef PIXEL_FORMAT
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGB_565
-#define PIXEL_SIZE 2
-#endif
-
-#define NUM_BUFFERS 2
-#define MAX_DISPLAY_DIM  2048
-
-// #define PRINT_SCREENINFO 1 // Enables printing of screen info to log
-
-typedef struct {
-    int type;
-    GGLSurface texture;
-    unsigned offset[97];
-    unsigned cheight;
-    unsigned ascent;
-} GRFont;
-
-static GRFont *gr_font = 0;
-static GGLContext *gr_context = 0;
-static GGLSurface gr_font_texture;
-static GGLSurface gr_framebuffer[NUM_BUFFERS];
-GGLSurface gr_mem_surface;
-static unsigned gr_active_fb = 0;
-static unsigned double_buffering = 0;
-static int gr_is_curr_clr_opaque = 0;
-
-static int gr_fb_fd = -1;
-static int gr_vt_fd = -1;
-
-struct fb_var_screeninfo vi;
-static struct fb_fix_screeninfo fi;
-
-static bool has_overlay = false;
-static int leftSplit = 0;
-static int rightSplit = 0;
-
-bool target_has_overlay(char *version);
-int free_ion_mem(void);
-int alloc_ion_mem(unsigned int size);
-int allocate_overlay(int fd, GGLSurface gr_fb[]);
-int free_overlay(int fd);
-int overlay_display_frame(int fd, GGLubyte* data, size_t size);
-
-#ifdef PRINT_SCREENINFO
-static void print_fb_var_screeninfo()
-{
-    printf("vi.xres: %d\n", vi.xres);
-    printf("vi.yres: %d\n", vi.yres);
-    printf("vi.xres_virtual: %d\n", vi.xres_virtual);
-    printf("vi.yres_virtual: %d\n", vi.yres_virtual);
-    printf("vi.xoffset: %d\n", vi.xoffset);
-    printf("vi.yoffset: %d\n", vi.yoffset);
-    printf("vi.bits_per_pixel: %d\n", vi.bits_per_pixel);
-    printf("vi.grayscale: %d\n", vi.grayscale);
-}
-#endif
-
-#ifdef MSM_BSP
-int getLeftSplit(void) {
-   //Default even split for all displays with high res
-   int lSplit = vi.xres / 2;
-
-   //Override if split published by driver
-   if (leftSplit)
-       lSplit = leftSplit;
-
-   return lSplit;
-}
-
-int getRightSplit(void) {
-   return rightSplit;
-}
-
-
-void setDisplaySplit(void) {
-    char split[64] = {0};
-    FILE* fp = fopen("/sys/class/graphics/fb0/msm_fb_split", "r");
-    if (fp) {
-        //Format "left right" space as delimiter
-        if(fread(split, sizeof(char), 64, fp)) {
-            leftSplit = atoi(split);
-            printf("Left Split=%d\n",leftSplit);
-            char *rght = strpbrk(split, " ");
-            if (rght)
-                rightSplit = atoi(rght + 1);
-            printf("Right Split=%d\n", rightSplit);
-        }
-    } else {
-        printf("Failed to open mdss_fb_split node\n");
-    }
-    if (fp)
-        fclose(fp);
-}
-
-bool isDisplaySplit(void) {
-    if (vi.xres > MAX_DISPLAY_DIM)
-        return true;
-    //check if right split is set by driver
-    if (getRightSplit())
-        return true;
-
-    return false;
-}
-
-int getFbXres(void) {
-    return vi.xres;
-}
-
-int getFbYres (void) {
-    return vi.yres;
-}
-#endif // MSM_BSP
-
-static int get_framebuffer(GGLSurface *fb)
-{
-    int fd, index = 0;
-    void *bits;
-
-    fd = open("/dev/graphics/fb0", O_RDWR);
-    
-    while (fd < 0 && index < 30) {
-        usleep(1000);
-        fd = open("/dev/graphics/fb0", O_RDWR);
-        index++;
-    }
-    if (fd < 0) {
-        perror("cannot open fb0\n");
-        return -1;
-    }
-
-    if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
-        perror("failed to get fb0 info");
-        close(fd);
-        return -1;
-    }
-
-    fprintf(stderr, "Pixel format: %dx%d @ %dbpp\n", vi.xres, vi.yres, vi.bits_per_pixel);
-
-    vi.bits_per_pixel = PIXEL_SIZE * 8;
-    if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_BGRA_8888) {
-        fprintf(stderr, "Pixel format: BGRA_8888\n");
-        if (PIXEL_SIZE != 4)    fprintf(stderr, "E: Pixel Size mismatch!\n");
-        vi.red.offset     = 8;
-        vi.red.length     = 8;
-        vi.green.offset   = 16;
-        vi.green.length   = 8;
-        vi.blue.offset    = 24;
-        vi.blue.length    = 8;
-        vi.transp.offset  = 0;
-        vi.transp.length  = 8;
-    } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBA_8888) {
-        fprintf(stderr, "Pixel format: RGBA_8888\n");
-        if (PIXEL_SIZE != 4)    fprintf(stderr, "E: Pixel Size mismatch!\n");
-        vi.red.offset     = 0;
-        vi.red.length     = 8;
-        vi.green.offset   = 8;
-        vi.green.length   = 8;
-        vi.blue.offset    = 16;
-        vi.blue.length    = 8;
-        vi.transp.offset  = 24;
-        vi.transp.length  = 8;
-    } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBX_8888) {
-        fprintf(stderr, "Pixel format: RGBX_8888\n");
-        if (PIXEL_SIZE != 4)    fprintf(stderr, "E: Pixel Size mismatch!\n");
-        vi.red.offset     = 24;
-        vi.red.length     = 8;
-        vi.green.offset   = 16;
-        vi.green.length   = 8;
-        vi.blue.offset    = 8;
-        vi.blue.length    = 8;
-        vi.transp.offset  = 0;
-        vi.transp.length  = 8;
-    } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGB_565) {
-#ifdef RECOVERY_RGB_565
-        fprintf(stderr, "Pixel format: RGB_565\n");
-        vi.blue.offset    = 0;
-        vi.green.offset   = 5;
-        vi.red.offset     = 11;
-#else
-        fprintf(stderr, "Pixel format: BGR_565\n");
-        vi.blue.offset    = 11;
-        vi.green.offset   = 5;
-        vi.red.offset     = 0;
-#endif
-        if (PIXEL_SIZE != 2)    fprintf(stderr, "E: Pixel Size mismatch!\n");
-        vi.blue.length    = 5;
-        vi.green.length   = 6;
-        vi.red.length     = 5;
-        vi.blue.msb_right = 0;
-        vi.green.msb_right = 0;
-        vi.red.msb_right = 0;
-        vi.transp.offset  = 0;
-        vi.transp.length  = 0;
-    }
-    else
-    {
-        perror("unknown pixel format");
-        close(fd);
-        return -1;
-    }
-
-    vi.vmode = FB_VMODE_NONINTERLACED;
-    vi.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE;
-
-    if (ioctl(fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
-        perror("failed to put fb0 info");
-        close(fd);
-        return -1;
-    }
-
-    if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
-        perror("failed to get fb0 info");
-        close(fd);
-        return -1;
-    }
-
-#ifdef MSM_BSP
-    has_overlay = target_has_overlay(fi.id);
-
-    if (isTargetMdp5())
-        setDisplaySplit();
-#else
-    has_overlay = false;
-#endif
-
-    if (!has_overlay) {
-        printf("Not using qualcomm overlay, '%s'\n", fi.id);
-        bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-        if (bits == MAP_FAILED) {
-            perror("failed to mmap framebuffer");
-            close(fd);
-            return -1;
-        }
-    } else {
-        printf("Using qualcomm overlay\n");
-    }
-
-#ifdef RECOVERY_GRAPHICS_USE_LINELENGTH
-    vi.xres_virtual = fi.line_length / PIXEL_SIZE;
-#endif
-
-    fb->version = sizeof(*fb);
-    fb->width = vi.xres;
-    fb->height = vi.yres;
-#ifdef BOARD_HAS_JANKY_BACKBUFFER
-    printf("setting JANKY BACKBUFFER\n");
-    fb->stride = fi.line_length/2;
-#else
-    fb->stride = vi.xres_virtual;
-#endif
-    fb->format = PIXEL_FORMAT;
-    if (!has_overlay) {
-        fb->data = bits;
-        memset(fb->data, 0, vi.yres * fb->stride * PIXEL_SIZE);
-    }
-
-    fb++;
-
-#ifndef TW_DISABLE_DOUBLE_BUFFERING
-    /* check if we can use double buffering */
-    if (vi.yres * fi.line_length * 2 > fi.smem_len)
-#else
-    printf("TW_DISABLE_DOUBLE_BUFFERING := true\n");
-#endif
-        return fd;
-
-    double_buffering = 1;
-
-    fb->version = sizeof(*fb);
-    fb->width = vi.xres;
-    fb->height = vi.yres;
-#ifdef BOARD_HAS_JANKY_BACKBUFFER
-    fb->stride = fi.line_length/2;
-    fb->data = (GGLubyte*) (((unsigned long) bits) + vi.yres * fi.line_length);
-#else
-    fb->stride = vi.xres_virtual;
-    fb->data = (GGLubyte*) (((unsigned long) bits) + vi.yres * fb->stride * PIXEL_SIZE);
-#endif
-    fb->format = PIXEL_FORMAT;
-    if (!has_overlay) {
-        memset(fb->data, 0, vi.yres * fb->stride * PIXEL_SIZE);
-    }
-
-#ifdef PRINT_SCREENINFO
-    print_fb_var_screeninfo();
-#endif
-
-    return fd;
-}
-
-static void get_memory_surface(GGLSurface* ms) {
-  ms->version = sizeof(*ms);
-  ms->width = vi.xres;
-  ms->height = vi.yres;
-  ms->stride = vi.xres_virtual;
-  ms->data = malloc(vi.xres_virtual * vi.yres * PIXEL_SIZE);
-  ms->format = PIXEL_FORMAT;
-}
-
-static void set_active_framebuffer(unsigned n)
-{
-    if (n > 1  || !double_buffering) return;
-    vi.yres_virtual = vi.yres * NUM_BUFFERS;
-    vi.yoffset = n * vi.yres;
-//    vi.bits_per_pixel = PIXEL_SIZE * 8;
-    if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
-        perror("active fb swap failed");
-    }
-}
-
-void gr_flip(void)
-{
-    if (-EINVAL == overlay_display_frame(gr_fb_fd, gr_mem_surface.data,
-                                         (fi.line_length * vi.yres))) {
-        GGLContext *gl = gr_context;
-
-        /* swap front and back buffers */
-        if (double_buffering)
-            gr_active_fb = (gr_active_fb + 1) & 1;
-
-#ifdef BOARD_HAS_FLIPPED_SCREEN
-        /* flip buffer 180 degrees for devices with physicaly inverted screens */
-        unsigned int i;
-        unsigned int j;
-        for (i = 0; i < vi.yres; i++) {
-            for (j = 0; j < vi.xres; j++) {
-                memcpy(gr_framebuffer[gr_active_fb].data + (i * vi.xres_virtual + j) * PIXEL_SIZE,
-                       gr_mem_surface.data + ((vi.yres - i - 1) * vi.xres_virtual + vi.xres - j - 1) * PIXEL_SIZE, PIXEL_SIZE);
-            }
-        }
-#else
-        /* copy data from the in-memory surface to the buffer we're about
-         * to make active. */
-        memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
-               vi.xres_virtual * vi.yres * PIXEL_SIZE);
-#endif
-
-        /* inform the display driver */
-        set_active_framebuffer(gr_active_fb);
-    }
-}
-
-void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
-{
-    GGLContext *gl = gr_context;
-    GGLint color[4];
-    color[0] = ((r << 8) | r) + 1;
-    color[1] = ((g << 8) | g) + 1;
-    color[2] = ((b << 8) | b) + 1;
-    color[3] = ((a << 8) | a) + 1;
-    gl->color4xv(gl, color);
-
-    gr_is_curr_clr_opaque = (a == 255);
-}
-
-int gr_measureEx(const char *s, void* font)
-{
-    GRFont* fnt = (GRFont*) font;
-
-    if (!fnt)
-        return 0;
-
-    return gr_ttf_measureEx(s, font);
-}
-
-int gr_maxExW(const char *s, void* font, int max_width)
-{
-    GRFont* fnt = (GRFont*) font;
-
-    if (!fnt)
-        return 0;
-
-    return gr_ttf_maxExW(s, font, max_width);
-}
-
-int gr_textEx(int x, int y, const char *s, void* pFont)
-{
-    GGLContext *gl = gr_context;
-    GRFont *font = (GRFont*) pFont;
-
-    if (!font)
-        return 0;
-
-    return gr_ttf_textExWH(gl, x, y, s, pFont, -1, -1);
-}
-
-int gr_textEx_scaleW(int x, int y, const char *s, void* pFont, int max_width, int placement, int scale)
-{
-    GGLContext *gl = gr_context;
-    void* vfont = pFont;
-    GRFont *font = (GRFont*) pFont;
-    unsigned off;
-    unsigned cwidth;
-    int y_scale = 0, measured_width, measured_height, ret, new_height;
-
-    if (!s || strlen(s) == 0 || !font)
-        return 0;
-
-    measured_height = gr_ttf_getMaxFontHeight(font);
-
-    if (scale) {
-        measured_width = gr_ttf_measureEx(s, vfont);
-        if (measured_width > max_width) {
-            // Adjust font size down until the text fits
-            void *new_font = gr_ttf_scaleFont(vfont, max_width, measured_width);
-            if (!new_font) {
-                printf("gr_textEx_scaleW new_font is NULL\n");
-                return 0;
-            }
-            measured_width = gr_ttf_measureEx(s, new_font);
-            // These next 2 lines adjust the y point based on the new font's height
-            new_height = gr_ttf_getMaxFontHeight(new_font);
-            y_scale = (measured_height - new_height) / 2;
-            vfont = new_font;
-        }
-    } else
-        measured_width = gr_ttf_measureEx(s, vfont);
-
-    int x_adj = measured_width;
-    if (measured_width > max_width)
-        x_adj = max_width;
-
-    if (placement != TOP_LEFT && placement != BOTTOM_LEFT && placement != TEXT_ONLY_RIGHT) {
-        if (placement == CENTER || placement == CENTER_X_ONLY)
-            x -= (x_adj / 2);
-        else
-            x -= x_adj;
-    }
-
-    if (placement != TOP_LEFT && placement != TOP_RIGHT) {
-        if (placement == CENTER || placement == TEXT_ONLY_RIGHT)
-            y -= (measured_height / 2);
-        else if (placement == BOTTOM_LEFT || placement == BOTTOM_RIGHT)
-            y -= measured_height;
-    }
-    return gr_ttf_textExWH(gl, x, y + y_scale, s, vfont, measured_width + x, -1);
-}
-
-int gr_textExW(int x, int y, const char *s, void* pFont, int max_width)
-{
-    GGLContext *gl = gr_context;
-    GRFont *font = (GRFont*) pFont;
-
-    if (!font)
-        return 0;
-
-    return gr_ttf_textExWH(gl, x, y, s, pFont, max_width, -1);
-}
-
-int gr_textExWH(int x, int y, const char *s, void* pFont, int max_width, int max_height)
-{
-    GGLContext *gl = gr_context;
-    GRFont *font = (GRFont*) pFont;
-
-    if (!font)
-        return 0;
-
-    return gr_ttf_textExWH(gl, x, y, s, pFont, max_width, max_height);
-}
-
-void gr_clip(int x, int y, int w, int h)
-{
-    GGLContext *gl = gr_context;
-    gl->scissor(gl, x, y, w, h);
-    gl->enable(gl, GGL_SCISSOR_TEST);
-}
-
-void gr_noclip()
-{
-    GGLContext *gl = gr_context;
-    gl->scissor(gl, 0, 0, gr_fb_width(), gr_fb_height());
-    gl->disable(gl, GGL_SCISSOR_TEST);
-}
-
-void gr_fill(int x, int y, int w, int h)
-{
-    GGLContext *gl = gr_context;
-
-    if(gr_is_curr_clr_opaque)
-        gl->disable(gl, GGL_BLEND);
-
-    gl->recti(gl, x, y, x + w, y + h);
-
-    if(gr_is_curr_clr_opaque)
-        gl->enable(gl, GGL_BLEND);
-}
-
-void gr_line(int x0, int y0, int x1, int y1, int width)
-{
-    GGLContext *gl = gr_context;
-
-    if(gr_is_curr_clr_opaque)
-        gl->disable(gl, GGL_BLEND);
-
-    const int coords0[2] = { x0 << 4, y0 << 4 };
-    const int coords1[2] = { x1 << 4, y1 << 4 };
-    gl->linex(gl, coords0, coords1, width << 4);
-
-    if(gr_is_curr_clr_opaque)
-        gl->enable(gl, GGL_BLEND);
-}
-
-gr_surface gr_render_circle(int radius, unsigned char r, unsigned char g, unsigned char b, unsigned char a)
-{
-    int rx, ry;
-    GGLSurface *surface;
-    const int diameter = radius*2 + 1;
-    const int radius_check = radius*radius + radius*0.8;
-    const uint32_t px = (a << 24) | (b << 16) | (g << 8) | r;
-    uint32_t *data;
-
-    surface = malloc(sizeof(GGLSurface));
-    memset(surface, 0, sizeof(GGLSurface));
-
-    data = malloc(diameter * diameter * 4);
-    memset(data, 0, diameter * diameter * 4);
-
-    surface->version = sizeof(surface);
-    surface->width = diameter;
-    surface->height = diameter;
-    surface->stride = diameter;
-    surface->data = (GGLubyte*)data;
-    surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
-
-    for(ry = -radius; ry <= radius; ++ry)
-        for(rx = -radius; rx <= radius; ++rx)
-            if(rx*rx+ry*ry <= radius_check)
-                *(data + diameter*(radius + ry) + (radius+rx)) = px;
-
-    return surface;
-}
-
-void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) {
-    if (gr_context == NULL) {
-        return;
-    }
-
-    GGLContext *gl = gr_context;
-    GGLSurface *surface = (GGLSurface*)source;
-
-    if(surface->format == GGL_PIXEL_FORMAT_RGBX_8888)
-        gl->disable(gl, GGL_BLEND);
-
-    gl->bindTexture(gl, surface);
-    gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
-    gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
-    gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
-    gl->enable(gl, GGL_TEXTURE_2D);
-    gl->texCoord2i(gl, sx - dx, sy - dy);
-    gl->recti(gl, dx, dy, dx + w, dy + h);
-    gl->disable(gl, GGL_TEXTURE_2D);
-
-    if(surface->format == GGL_PIXEL_FORMAT_RGBX_8888)
-        gl->enable(gl, GGL_BLEND);
-}
-
-unsigned int gr_get_width(gr_surface surface) {
-    if (surface == NULL) {
-        return 0;
-    }
-    return ((GGLSurface*) surface)->width;
-}
-
-unsigned int gr_get_height(gr_surface surface) {
-    if (surface == NULL) {
-        return 0;
-    }
-    return ((GGLSurface*) surface)->height;
-}
-
-int gr_getMaxFontHeight(void *font)
-{
-    GRFont *fnt = (GRFont*) font;
-
-    if (!fnt)
-        return -1;
-
-    return gr_ttf_getMaxFontHeight(font);
-}
-
-int gr_init(void)
-{
-    gglInit(&gr_context);
-    GGLContext *gl = gr_context;
-
-    gr_vt_fd = open("/dev/tty0", O_RDWR | O_SYNC);
-    if (gr_vt_fd < 0) {
-        // This is non-fatal; post-Cupcake kernels don't have tty0.
-    } else if (ioctl(gr_vt_fd, KDSETMODE, (void*) KD_GRAPHICS)) {
-        // However, if we do open tty0, we expect the ioctl to work.
-        perror("failed KDSETMODE to KD_GRAPHICS on tty0");
-        gr_exit();
-        return -1;
-    }
-
-    gr_fb_fd = get_framebuffer(gr_framebuffer);
-    if (gr_fb_fd < 0) {
-        perror("Unable to get framebuffer.\n");
-        gr_exit();
-        return -1;
-    }
-
-    get_memory_surface(&gr_mem_surface);
-
-    fprintf(stderr, "framebuffer: fd %d (%d x %d)\n",
-            gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height);
-
-    /* start with 0 as front (displayed) and 1 as back (drawing) */
-    gr_active_fb = 0;
-    if (!has_overlay)
-        set_active_framebuffer(0);
-    gl->colorBuffer(gl, &gr_mem_surface);
-
-    gl->activeTexture(gl, 0);
-    gl->enable(gl, GGL_BLEND);
-    gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA);
-
-#ifdef TW_SCREEN_BLANK_ON_BOOT
-    printf("TW_SCREEN_BLANK_ON_BOOT := true\n");
-    gr_fb_blank(true);
-    gr_fb_blank(false);
-#endif
-
-    if (!alloc_ion_mem(fi.line_length * vi.yres))
-        allocate_overlay(gr_fb_fd, gr_framebuffer);
-
-    return 0;
-}
-
-void gr_exit(void)
-{
-    free_overlay(gr_fb_fd);
-    free_ion_mem();
-
-    close(gr_fb_fd);
-    gr_fb_fd = -1;
-
-    free(gr_mem_surface.data);
-
-    ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT);
-    close(gr_vt_fd);
-    gr_vt_fd = -1;
-}
-
-int gr_fb_width(void)
-{
-    return gr_framebuffer[0].width;
-}
-
-int gr_fb_height(void)
-{
-    return gr_framebuffer[0].height;
-}
-
-gr_pixel *gr_fb_data(void)
-{
-    return (unsigned short *) gr_mem_surface.data;
-}
-
-int gr_fb_blank(int blank)
-{
-    int ret;
-    //if (blank)
-        //free_overlay(gr_fb_fd);
-
-    ret = ioctl(gr_fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
-    if (ret < 0)
-        perror("ioctl(): blank");
-
-    //if (!blank)
-        //allocate_overlay(gr_fb_fd, gr_framebuffer);
-    return ret;
-}
-
-int gr_get_surface(gr_surface* surface)
-{
-    GGLSurface* ms = malloc(sizeof(GGLSurface));
-    if (!ms)    return -1;
-
-    // Allocate the data
-    get_memory_surface(ms);
-
-    // Now, copy the data
-    memcpy(ms->data, gr_mem_surface.data, vi.xres * vi.yres * vi.bits_per_pixel / 8);
-
-    *surface = (gr_surface*) ms;
-    return 0;
-}
-
-int gr_free_surface(gr_surface surface)
-{
-    if (!surface)
-        return -1;
-
-    GGLSurface* ms = (GGLSurface*) surface;
-    free(ms->data);
-    free(ms);
-    return 0;
-}
-
-void gr_write_frame_to_file(int fd)
-{
-    write(fd, gr_mem_surface.data, vi.xres * vi.yres * vi.bits_per_pixel / 8);
-}
diff --git a/minuitwrp/graphics.cpp b/minuitwrp/graphics.cpp
new file mode 100644
index 0000000..47325d0
--- /dev/null
+++ b/minuitwrp/graphics.cpp
@@ -0,0 +1,416 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+
+#include <linux/fb.h>
+#include <linux/kd.h>
+
+#include <time.h>
+
+#include <pixelflinger/pixelflinger.h>
+#include "../gui/placement.h"
+#include "minui.h"
+#include "graphics.h"
+
+struct GRFont {
+    GRSurface* texture;
+    int cwidth;
+    int cheight;
+};
+
+static GRFont* gr_font = NULL;
+static minui_backend* gr_backend = NULL;
+
+static int overscan_percent = OVERSCAN_PERCENT;
+static int overscan_offset_x = 0;
+static int overscan_offset_y = 0;
+
+static unsigned char gr_current_r = 255;
+static unsigned char gr_current_g = 255;
+static unsigned char gr_current_b = 255;
+static unsigned char gr_current_a = 255;
+static unsigned char rgb_555[2];
+static unsigned char gr_current_r5 = 31;
+static unsigned char gr_current_g5 = 63;
+static unsigned char gr_current_b5 = 31;
+
+GRSurface* gr_draw = NULL;
+
+static GGLContext *gr_context = 0;
+GGLSurface gr_mem_surface;
+static int gr_is_curr_clr_opaque = 0;
+
+static bool outside(int x, int y)
+{
+    return x < 0 || x >= gr_draw->width || y < 0 || y >= gr_draw->height;
+}
+
+int gr_textEx_scaleW(int x, int y, const char *s, void* pFont, int max_width, int placement, int scale)
+{
+    GGLContext *gl = gr_context;
+    void* vfont = pFont;
+    GRFont *font = (GRFont*) pFont;
+    unsigned off;
+    unsigned cwidth;
+    int y_scale = 0, measured_width, measured_height, ret, new_height;
+
+    if (!s || strlen(s) == 0 || !font)
+        return 0;
+
+    measured_height = gr_ttf_getMaxFontHeight(font);
+
+    if (scale) {
+        measured_width = gr_ttf_measureEx(s, vfont);
+        if (measured_width > max_width) {
+            // Adjust font size down until the text fits
+            void *new_font = gr_ttf_scaleFont(vfont, max_width, measured_width);
+            if (!new_font) {
+                printf("gr_textEx_scaleW new_font is NULL\n");
+                return 0;
+            }
+            measured_width = gr_ttf_measureEx(s, new_font);
+            // These next 2 lines adjust the y point based on the new font's height
+            new_height = gr_ttf_getMaxFontHeight(new_font);
+            y_scale = (measured_height - new_height) / 2;
+            vfont = new_font;
+        }
+    } else
+        measured_width = gr_ttf_measureEx(s, vfont);
+
+    int x_adj = measured_width;
+    if (measured_width > max_width)
+        x_adj = max_width;
+
+    if (placement != TOP_LEFT && placement != BOTTOM_LEFT && placement != TEXT_ONLY_RIGHT) {
+        if (placement == CENTER || placement == CENTER_X_ONLY)
+            x -= (x_adj / 2);
+        else
+            x -= x_adj;
+    }
+
+    if (placement != TOP_LEFT && placement != TOP_RIGHT) {
+        if (placement == CENTER || placement == TEXT_ONLY_RIGHT)
+            y -= (measured_height / 2);
+        else if (placement == BOTTOM_LEFT || placement == BOTTOM_RIGHT)
+            y -= measured_height;
+    }
+    return gr_ttf_textExWH(gl, x, y + y_scale, s, vfont, measured_width + x, -1);
+}
+
+void gr_clip(int x, int y, int w, int h)
+{
+    GGLContext *gl = gr_context;
+    gl->scissor(gl, x, y, w, h);
+    gl->enable(gl, GGL_SCISSOR_TEST);
+}
+
+void gr_noclip()
+{
+    GGLContext *gl = gr_context;
+    gl->scissor(gl, 0, 0, gr_fb_width(), gr_fb_height());
+    gl->disable(gl, GGL_SCISSOR_TEST);
+}
+
+void gr_line(int x0, int y0, int x1, int y1, int width)
+{
+    GGLContext *gl = gr_context;
+
+    if(gr_is_curr_clr_opaque)
+        gl->disable(gl, GGL_BLEND);
+
+    const int coords0[2] = { x0 << 4, y0 << 4 };
+    const int coords1[2] = { x1 << 4, y1 << 4 };
+    gl->linex(gl, coords0, coords1, width << 4);
+
+    if(gr_is_curr_clr_opaque)
+        gl->enable(gl, GGL_BLEND);
+}
+
+gr_surface gr_render_circle(int radius, unsigned char r, unsigned char g, unsigned char b, unsigned char a)
+{
+    int rx, ry;
+    GGLSurface *surface;
+    const int diameter = radius*2 + 1;
+    const int radius_check = radius*radius + radius*0.8;
+    const uint32_t px = (a << 24) | (b << 16) | (g << 8) | r;
+    uint32_t *data;
+
+    surface = (GGLSurface *)malloc(sizeof(GGLSurface));
+    memset(surface, 0, sizeof(GGLSurface));
+
+    data = (uint32_t *)malloc(diameter * diameter * 4);
+    memset(data, 0, diameter * diameter * 4);
+
+    surface->version = sizeof(surface);
+    surface->width = diameter;
+    surface->height = diameter;
+    surface->stride = diameter;
+    surface->data = (GGLubyte*)data;
+    surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
+
+    for(ry = -radius; ry <= radius; ++ry)
+        for(rx = -radius; rx <= radius; ++rx)
+            if(rx*rx+ry*ry <= radius_check)
+                *(data + diameter*(radius + ry) + (radius+rx)) = px;
+
+    return (gr_surface)surface;
+}
+
+void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
+{
+    GGLContext *gl = gr_context;
+    GGLint color[4];
+#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
+    color[0] = ((b << 8) | r) + 1;
+    color[1] = ((g << 8) | g) + 1;
+    color[2] = ((r << 8) | b) + 1;
+    color[3] = ((a << 8) | a) + 1;
+#else
+    color[0] = ((r << 8) | r) + 1;
+    color[1] = ((g << 8) | g) + 1;
+    color[2] = ((b << 8) | b) + 1;
+    color[3] = ((a << 8) | a) + 1;
+#endif
+    gl->color4xv(gl, color);
+
+    gr_is_curr_clr_opaque = (a == 255);
+}
+
+void gr_clear()
+{
+    if (gr_draw->pixel_bytes == 2) {
+        gr_fill(0, 0, gr_fb_width(), gr_fb_height());
+        return;
+    }
+
+    // This code only works on 32bpp devices
+    if (gr_current_r == gr_current_g && gr_current_r == gr_current_b) {
+        memset(gr_draw->data, gr_current_r, gr_draw->height * gr_draw->row_bytes);
+    } else {
+        unsigned char* px = gr_draw->data;
+        for (int y = 0; y < gr_draw->height; ++y) {
+            for (int x = 0; x < gr_draw->width; ++x) {
+                *px++ = gr_current_r;
+                *px++ = gr_current_g;
+                *px++ = gr_current_b;
+                px++;
+            }
+            px += gr_draw->row_bytes - (gr_draw->width * gr_draw->pixel_bytes);
+        }
+    }
+}
+
+void gr_fill(int x, int y, int w, int h)
+{
+    GGLContext *gl = gr_context;
+
+    if(gr_is_curr_clr_opaque)
+        gl->disable(gl, GGL_BLEND);
+
+    gl->recti(gl, x, y, x + w, y + h);
+
+    if(gr_is_curr_clr_opaque)
+        gl->enable(gl, GGL_BLEND);
+}
+
+void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) {
+    if (gr_context == NULL) {
+        return;
+    }
+
+    GGLContext *gl = gr_context;
+    GGLSurface *surface = (GGLSurface*)source;
+
+    if(surface->format == GGL_PIXEL_FORMAT_RGBX_8888)
+        gl->disable(gl, GGL_BLEND);
+
+    gl->bindTexture(gl, surface);
+    gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
+    gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+    gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+    gl->enable(gl, GGL_TEXTURE_2D);
+    gl->texCoord2i(gl, sx - dx, sy - dy);
+    gl->recti(gl, dx, dy, dx + w, dy + h);
+    gl->disable(gl, GGL_TEXTURE_2D);
+
+    if(surface->format == GGL_PIXEL_FORMAT_RGBX_8888)
+        gl->enable(gl, GGL_BLEND);
+}
+
+unsigned int gr_get_width(gr_surface surface) {
+    if (surface == NULL) {
+        return 0;
+    }
+    return ((GGLSurface*) surface)->width;
+}
+
+unsigned int gr_get_height(gr_surface surface) {
+    if (surface == NULL) {
+        return 0;
+    }
+    return ((GGLSurface*) surface)->height;
+}
+
+void gr_flip() {
+    gr_draw = gr_backend->flip(gr_backend);
+    // On double buffered back ends, when we flip, we need to tell
+    // pixel flinger to draw to the other buffer
+    gr_mem_surface.data = (GGLubyte*)gr_draw->data;
+    gr_context->colorBuffer(gr_context, &gr_mem_surface);
+}
+
+static void get_memory_surface(GGLSurface* ms) {
+    ms->version = sizeof(*ms);
+    ms->width = gr_draw->width;
+    ms->height = gr_draw->height;
+    ms->stride = gr_draw->row_bytes / gr_draw->pixel_bytes;
+    ms->data = (GGLubyte*)gr_draw->data;
+    ms->format = gr_draw->format;
+}
+
+int gr_init(void)
+{
+    gr_draw = NULL;
+
+    gr_backend = open_overlay();
+    if (gr_backend) {
+        gr_draw = gr_backend->init(gr_backend);
+        if (!gr_draw) {
+            gr_backend->exit(gr_backend);
+        } else
+            printf("Using overlay graphics.\n");
+    }
+
+#ifdef HAS_ADF
+    if (!gr_draw) {
+        gr_backend = open_adf();
+        if (gr_backend) {
+            gr_draw = gr_backend->init(gr_backend);
+            if (!gr_draw) {
+                gr_backend->exit(gr_backend);
+            } else
+                printf("Using adf graphics.\n");
+        }
+    }
+#else
+#ifdef MSM_BSP
+	printf("Skipping adf graphics because TW_TARGET_USES_QCOM_BSP := true\n");
+#else
+    printf("Skipping adf graphics -- not present in build tree\n");
+#endif
+#endif
+
+#ifdef HAS_DRM
+    if (!gr_draw) {
+        gr_backend = open_drm();
+        gr_draw = gr_backend->init(gr_backend);
+        if (gr_draw)
+            printf("Using drm graphics.\n");
+    }
+#else
+    printf("Skipping drm graphics -- not present in build tree\n");
+#endif
+
+    if (!gr_draw) {
+        gr_backend = open_fbdev();
+        gr_draw = gr_backend->init(gr_backend);
+        if (gr_draw == NULL) {
+            return -1;
+        } else
+            printf("Using fbdev graphics.\n");
+    }
+
+    overscan_offset_x = gr_draw->width * overscan_percent / 100;
+    overscan_offset_y = gr_draw->height * overscan_percent / 100;
+
+    // Set up pixelflinger
+    get_memory_surface(&gr_mem_surface);
+    gglInit(&gr_context);
+    GGLContext *gl = gr_context;
+    gl->colorBuffer(gl, &gr_mem_surface);
+
+    gl->activeTexture(gl, 0);
+    gl->enable(gl, GGL_BLEND);
+    gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA);
+
+    gr_flip();
+    gr_flip();
+
+    return 0;
+}
+
+void gr_exit(void)
+{
+    gr_backend->exit(gr_backend);
+}
+
+int gr_fb_width(void)
+{
+    return gr_draw->width - 2*overscan_offset_x;
+}
+
+int gr_fb_height(void)
+{
+    return gr_draw->height - 2*overscan_offset_y;
+}
+
+void gr_fb_blank(bool blank)
+{
+    gr_backend->blank(gr_backend, blank);
+}
+
+int gr_get_surface(gr_surface* surface)
+{
+    GGLSurface* ms = (GGLSurface*)malloc(sizeof(GGLSurface));
+    if (!ms)    return -1;
+
+    // Allocate the data
+    get_memory_surface(ms);
+    ms->data = (GGLubyte*)malloc(ms->stride * ms->height * gr_draw->pixel_bytes);
+
+    // Now, copy the data
+    memcpy(ms->data, gr_mem_surface.data, gr_draw->width * gr_draw->height * gr_draw->pixel_bytes / 8);
+
+    *surface = (gr_surface*) ms;
+    return 0;
+}
+
+int gr_free_surface(gr_surface surface)
+{
+    if (!surface)
+        return -1;
+
+    GGLSurface* ms = (GGLSurface*) surface;
+    free(ms->data);
+    free(ms);
+    return 0;
+}
+
+void gr_write_frame_to_file(int fd)
+{
+    write(fd, gr_mem_surface.data, gr_draw->width * gr_draw->height * gr_draw->pixel_bytes / 8);
+}
diff --git a/minuitwrp/graphics.h b/minuitwrp/graphics.h
new file mode 100644
index 0000000..a4115fd
--- /dev/null
+++ b/minuitwrp/graphics.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _GRAPHICS_H_
+#define _GRAPHICS_H_
+
+#include "minui.h"
+
+// TODO: lose the function pointers.
+struct minui_backend {
+    // Initializes the backend and returns a GRSurface* to draw into.
+    GRSurface* (*init)(minui_backend*);
+
+    // Causes the current drawing surface (returned by the most recent
+    // call to flip() or init()) to be displayed, and returns a new
+    // drawing surface.
+    GRSurface* (*flip)(minui_backend*);
+
+    // Blank (or unblank) the screen.
+    void (*blank)(minui_backend*, bool);
+
+    // Device cleanup when drawing is done.
+    void (*exit)(minui_backend*);
+};
+
+minui_backend* open_fbdev();
+minui_backend* open_adf();
+minui_backend* open_drm();
+minui_backend* open_overlay();
+
+#endif
diff --git a/minuitwrp/graphics_adf.cpp b/minuitwrp/graphics_adf.cpp
new file mode 100644
index 0000000..b71bed2
--- /dev/null
+++ b/minuitwrp/graphics_adf.cpp
@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/cdefs.h>
+#include <sys/mman.h>
+
+#include <adf/adf.h>
+
+#include "graphics.h"
+#include <pixelflinger/pixelflinger.h>
+
+struct adf_surface_pdata {
+    GRSurface base;
+    int fd;
+    __u32 offset;
+    __u32 pitch;
+    unsigned char* adf_data;
+};
+
+struct adf_pdata {
+    minui_backend base;
+    int intf_fd;
+    adf_id_t eng_id;
+    __u32 format;
+
+    unsigned int current_surface;
+    unsigned int n_surfaces;
+    adf_surface_pdata surfaces[2];
+};
+
+static GRSurface* adf_flip(minui_backend *backend);
+static void adf_blank(minui_backend *backend, bool blank);
+
+static int adf_surface_init(adf_pdata *pdata, drm_mode_modeinfo *mode, adf_surface_pdata *surf) {
+    memset(surf, 0, sizeof(*surf));
+
+    surf->fd = adf_interface_simple_buffer_alloc(pdata->intf_fd, mode->hdisplay,
+            mode->vdisplay, pdata->format, &surf->offset, &surf->pitch);
+    if (surf->fd < 0)
+        return surf->fd;
+
+    surf->base.width = mode->hdisplay;
+    surf->base.height = mode->vdisplay;
+    surf->base.row_bytes = surf->pitch;
+    surf->base.pixel_bytes = (pdata->format == DRM_FORMAT_RGB565) ? 2 : 4;
+    if (pdata->format == DRM_FORMAT_ABGR8888)
+        surf->base.format = GGL_PIXEL_FORMAT_BGRA_8888;
+    else if (pdata->format == DRM_FORMAT_BGRA8888)
+        surf->base.format = GGL_PIXEL_FORMAT_BGRA_8888;
+    else if (pdata->format == DRM_FORMAT_RGBA8888)
+        surf->base.format = GGL_PIXEL_FORMAT_RGBA_8888;
+    else if (pdata->format == DRM_FORMAT_RGBX8888)
+        surf->base.format = GGL_PIXEL_FORMAT_RGBX_8888;
+    else
+        surf->base.format = GGL_PIXEL_FORMAT_RGB_565;
+
+    surf->adf_data = reinterpret_cast<uint8_t*>(mmap(NULL,
+                                                      surf->pitch * surf->base.height, PROT_WRITE,
+                                                      MAP_SHARED, surf->fd, surf->offset));
+    if (surf->adf_data == MAP_FAILED) {
+        close(surf->fd);
+        return -errno;
+    }
+
+    return 0;
+}
+
+static int adf_interface_init(adf_pdata *pdata)
+{
+    adf_interface_data intf_data;
+    int ret = 0;
+    int err;
+    unsigned char* framebuffer_data = NULL;
+
+    err = adf_get_interface_data(pdata->intf_fd, &intf_data);
+    if (err < 0)
+        return err;
+
+    err = adf_surface_init(pdata, &intf_data.current_mode, &pdata->surfaces[0]);
+    if (err < 0) {
+        fprintf(stderr, "allocating surface 0 failed: %s\n", strerror(-err));
+        ret = err;
+        goto done;
+    }
+
+    /* Allocate a single buffer for drawing. graphics.cpp will draw to
+     * this buffer which will later be copied to the mmapped adf buffer.
+     * Using a regular memory buffer improves performance by about 10x. */
+    framebuffer_data = (unsigned char*)calloc(pdata->surfaces[0].pitch * pdata->surfaces[0].base.height, 1);
+    if (framebuffer_data == NULL) {
+        printf("failed to calloc surface data\n");
+        close(pdata->surfaces[0].fd);
+        munmap(pdata->surfaces[0].adf_data, pdata->surfaces[0].pitch * pdata->surfaces[0].base.height);
+        ret = -1;
+        goto done;
+    }
+    pdata->surfaces[0].base.data = framebuffer_data;
+
+    err = adf_surface_init(pdata, &intf_data.current_mode,
+            &pdata->surfaces[1]);
+    if (err < 0) {
+        fprintf(stderr, "allocating surface 1 failed: %s\n", strerror(-err));
+        memset(&pdata->surfaces[1], 0, sizeof(pdata->surfaces[1]));
+        pdata->n_surfaces = 1;
+    } else {
+        pdata->n_surfaces = 2;
+        pdata->surfaces[1].base.data = framebuffer_data;
+    }
+
+done:
+    adf_free_interface_data(&intf_data);
+    return ret;
+}
+
+static int adf_device_init(adf_pdata *pdata, adf_device *dev)
+{
+    adf_id_t intf_id;
+    int intf_fd;
+    int err;
+
+    err = adf_find_simple_post_configuration(dev, &pdata->format, 1, &intf_id,
+            &pdata->eng_id);
+    if (err < 0)
+        return err;
+
+    err = adf_device_attach(dev, pdata->eng_id, intf_id);
+    if (err < 0 && err != -EALREADY)
+        return err;
+
+    pdata->intf_fd = adf_interface_open(dev, intf_id, O_RDWR);
+    if (pdata->intf_fd < 0)
+        return pdata->intf_fd;
+
+    err = adf_interface_init(pdata);
+    if (err < 0) {
+        close(pdata->intf_fd);
+        pdata->intf_fd = -1;
+    }
+
+    return err;
+}
+
+static GRSurface* adf_init(minui_backend *backend)
+{
+    adf_pdata *pdata = (adf_pdata *)backend;
+    adf_id_t *dev_ids = NULL;
+    ssize_t n_dev_ids, i;
+    GRSurface* ret;
+
+#if defined(RECOVERY_ABGR)
+    pdata->format = DRM_FORMAT_ABGR8888;
+    printf("setting DRM_FORMAT_ABGR8888 and GGL_PIXEL_FORMAT_BGRA_8888, GGL_PIXEL_FORMAT may not match!\n");
+#elif defined(RECOVERY_BGRA)
+    pdata->format = DRM_FORMAT_BGRA8888;
+    printf("setting DRM_FORMAT_BGRA8888 and GGL_PIXEL_FORMAT_BGRA_8888\n");
+#elif defined(RECOVERY_RGBA)
+    pdata->format = DRM_FORMAT_RGBA8888;
+    printf("setting DRM_FORMAT_RGBA8888 and GGL_PIXEL_FORMAT_RGBA_8888\n");
+#elif defined(RECOVERY_RGBX)
+    pdata->format = DRM_FORMAT_RGBX8888;
+    printf("setting DRM_FORMAT_RGBX8888 and GGL_PIXEL_FORMAT_RGBX_8888\n");
+#else
+    pdata->format = DRM_FORMAT_RGB565;
+    printf("setting DRM_FORMAT_RGB565 and GGL_PIXEL_FORMAT_RGB_565\n");
+#endif
+
+    n_dev_ids = adf_devices(&dev_ids);
+    if (n_dev_ids == 0) {
+        return NULL;
+    } else if (n_dev_ids < 0) {
+        fprintf(stderr, "enumerating adf devices failed: %s\n",
+                strerror(-n_dev_ids));
+        return NULL;
+    }
+
+    pdata->intf_fd = -1;
+
+    for (i = 0; i < n_dev_ids && pdata->intf_fd < 0; i++) {
+        adf_device dev;
+
+        int err = adf_device_open(dev_ids[i], O_RDWR, &dev);
+        if (err < 0) {
+            fprintf(stderr, "opening adf device %u failed: %s\n", dev_ids[i],
+                    strerror(-err));
+            continue;
+        }
+
+        err = adf_device_init(pdata, &dev);
+        if (err < 0)
+            fprintf(stderr, "initializing adf device %u failed: %s\n",
+                    dev_ids[i], strerror(-err));
+
+        adf_device_close(&dev);
+    }
+
+    free(dev_ids);
+
+    if (pdata->intf_fd < 0)
+        return NULL;
+
+    ret = adf_flip(backend);
+
+    adf_blank(backend, true);
+    adf_blank(backend, false);
+
+    return ret;
+}
+
+static GRSurface* adf_flip(minui_backend *backend)
+{
+    adf_pdata *pdata = (adf_pdata *)backend;
+    adf_surface_pdata *surf = &pdata->surfaces[pdata->current_surface];
+
+    memcpy(surf->adf_data, surf->base.data, surf->pitch * surf->base.height);
+    int fence_fd = adf_interface_simple_post(pdata->intf_fd, pdata->eng_id,
+            surf->base.width, surf->base.height, pdata->format, surf->fd,
+            surf->offset, surf->pitch, -1);
+    if (fence_fd >= 0)
+        close(fence_fd);
+
+    pdata->current_surface = (pdata->current_surface + 1) % pdata->n_surfaces;
+    return &pdata->surfaces[pdata->current_surface].base;
+}
+
+static void adf_blank(minui_backend *backend, bool blank)
+{
+    adf_pdata *pdata = (adf_pdata *)backend;
+    adf_interface_blank(pdata->intf_fd,
+            blank ? DRM_MODE_DPMS_OFF : DRM_MODE_DPMS_ON);
+}
+
+static void adf_surface_destroy(adf_surface_pdata *surf)
+{
+    munmap(surf->adf_data, surf->pitch * surf->base.height);
+    close(surf->fd);
+}
+
+static void adf_exit(minui_backend *backend)
+{
+    adf_pdata *pdata = (adf_pdata *)backend;
+    unsigned int i;
+
+    free(pdata->surfaces[0].base.data);
+    for (i = 0; i < pdata->n_surfaces; i++)
+        adf_surface_destroy(&pdata->surfaces[i]);
+    if (pdata->intf_fd >= 0)
+        close(pdata->intf_fd);
+    free(pdata);
+}
+
+minui_backend *open_adf()
+{
+    adf_pdata* pdata = reinterpret_cast<adf_pdata*>(calloc(1, sizeof(*pdata)));
+    if (!pdata) {
+        perror("allocating adf backend failed");
+        return NULL;
+    }
+
+    pdata->base.init = adf_init;
+    pdata->base.flip = adf_flip;
+    pdata->base.blank = adf_blank;
+    pdata->base.exit = adf_exit;
+    return &pdata->base;
+}
diff --git a/minuitwrp/graphics_drm.cpp b/minuitwrp/graphics_drm.cpp
new file mode 100644
index 0000000..9bbf7e9
--- /dev/null
+++ b/minuitwrp/graphics_drm.cpp
@@ -0,0 +1,492 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm_fourcc.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/cdefs.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "minui.h"
+#include "graphics.h"
+#include <pixelflinger/pixelflinger.h>
+
+#define ARRAY_SIZE(A) (sizeof(A)/sizeof(*(A)))
+
+struct drm_surface {
+    GRSurface base;
+    uint32_t fb_id;
+    uint32_t handle;
+};
+
+static drm_surface *drm_surfaces[2];
+static int current_buffer;
+
+static drmModeCrtc *main_monitor_crtc;
+static drmModeConnector *main_monitor_connector;
+
+static int drm_fd = -1;
+
+static void drm_disable_crtc(int drm_fd, drmModeCrtc *crtc) {
+    if (crtc) {
+        drmModeSetCrtc(drm_fd, crtc->crtc_id,
+                       0, // fb_id
+                       0, 0,  // x,y
+                       NULL,  // connectors
+                       0,     // connector_count
+                       NULL); // mode
+    }
+}
+
+static void drm_enable_crtc(int drm_fd, drmModeCrtc *crtc,
+                            struct drm_surface *surface) {
+    int32_t ret;
+
+    ret = drmModeSetCrtc(drm_fd, crtc->crtc_id,
+                         surface->fb_id,
+                         0, 0,  // x,y
+                         &main_monitor_connector->connector_id,
+                         1,  // connector_count
+                         &main_monitor_crtc->mode);
+
+    if (ret)
+        printf("drmModeSetCrtc failed ret=%d\n", ret);
+}
+
+static void drm_blank(minui_backend* backend __unused, bool blank) {
+    if (blank)
+        drm_disable_crtc(drm_fd, main_monitor_crtc);
+    else
+        drm_enable_crtc(drm_fd, main_monitor_crtc,
+                        drm_surfaces[current_buffer]);
+}
+
+static void drm_destroy_surface(struct drm_surface *surface) {
+    struct drm_gem_close gem_close;
+    int ret;
+
+    if(!surface)
+        return;
+
+    if (surface->base.data)
+        munmap(surface->base.data,
+               surface->base.row_bytes * surface->base.height);
+
+    if (surface->fb_id) {
+        ret = drmModeRmFB(drm_fd, surface->fb_id);
+        if (ret)
+            printf("drmModeRmFB failed ret=%d\n", ret);
+    }
+
+    if (surface->handle) {
+        memset(&gem_close, 0, sizeof(gem_close));
+        gem_close.handle = surface->handle;
+
+        ret = drmIoctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+        if (ret)
+            printf("DRM_IOCTL_GEM_CLOSE failed ret=%d\n", ret);
+    }
+
+    free(surface);
+}
+
+static int drm_format_to_bpp(uint32_t format) {
+    switch(format) {
+        case DRM_FORMAT_ABGR8888:
+        case DRM_FORMAT_BGRA8888:
+        case DRM_FORMAT_RGBX8888:
+        case DRM_FORMAT_BGRX8888:
+        case DRM_FORMAT_XBGR8888:
+        case DRM_FORMAT_ARGB8888:
+        case DRM_FORMAT_XRGB8888:
+            return 32;
+        case DRM_FORMAT_RGB565:
+            return 16;
+        default:
+            printf("Unknown format %d\n", format);
+            return 32;
+    }
+}
+
+static drm_surface *drm_create_surface(int width, int height) {
+    struct drm_surface *surface;
+    struct drm_mode_create_dumb create_dumb;
+    uint32_t format;
+    __u32 base_format;
+    int ret;
+
+    surface = (struct drm_surface*)calloc(1, sizeof(*surface));
+    if (!surface) {
+        printf("Can't allocate memory\n");
+        return NULL;
+    }
+
+#if defined(RECOVERY_ABGR)
+    format = DRM_FORMAT_RGBA8888;
+    base_format = GGL_PIXEL_FORMAT_RGBA_8888;
+    printf("setting DRM_FORMAT_RGBA8888 and GGL_PIXEL_FORMAT_RGBA_8888\n");
+#elif defined(RECOVERY_BGRA)
+    format = DRM_FORMAT_ARGB8888;
+    base_format = GGL_PIXEL_FORMAT_BGRA_8888;
+    printf("setting DRM_FORMAT_ARGB8888 and GGL_PIXEL_FORMAT_BGRA_8888, GGL_PIXEL_FORMAT may not match!\n");
+#elif defined(RECOVERY_RGBA)
+    format = DRM_FORMAT_ABGR8888;
+    base_format = GGL_PIXEL_FORMAT_BGRA_8888;
+    printf("setting DRM_FORMAT_ABGR8888 and GGL_PIXEL_FORMAT_BGRA_8888, GGL_PIXEL_FORMAT may not match!\n");
+#elif defined(RECOVERY_RGBX)
+    format = DRM_FORMAT_XBGR8888;
+    base_format = GGL_PIXEL_FORMAT_BGRA_8888;
+    printf("setting DRM_FORMAT_XBGR8888 and GGL_PIXEL_FORMAT_BGRA_8888, GGL_PIXEL_FORMAT may not match!\n");
+#else
+    format = DRM_FORMAT_RGB565;
+    base_format = GGL_PIXEL_FORMAT_BGRA_8888;
+    printf("setting DRM_FORMAT_RGB565 and GGL_PIXEL_FORMAT_RGB_565\n");
+#endif
+
+    memset(&create_dumb, 0, sizeof(create_dumb));
+    create_dumb.height = height;
+    create_dumb.width = width;
+    create_dumb.bpp = drm_format_to_bpp(format);
+    create_dumb.flags = 0;
+
+    ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb);
+    if (ret) {
+        printf("DRM_IOCTL_MODE_CREATE_DUMB failed ret=%d\n",ret);
+        drm_destroy_surface(surface);
+        return NULL;
+    }
+    surface->handle = create_dumb.handle;
+
+    uint32_t handles[4], pitches[4], offsets[4];
+
+    handles[0] = surface->handle;
+    pitches[0] = create_dumb.pitch;
+    offsets[0] = 0;
+
+    ret = drmModeAddFB2(drm_fd, width, height,
+            format, handles, pitches, offsets,
+            &(surface->fb_id), 0);
+    if (ret) {
+        printf("drmModeAddFB2 failed ret=%d\n", ret);
+        drm_destroy_surface(surface);
+        return NULL;
+    }
+
+    struct drm_mode_map_dumb map_dumb;
+    memset(&map_dumb, 0, sizeof(map_dumb));
+    map_dumb.handle = create_dumb.handle;
+    ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_MAP_DUMB, &map_dumb);
+    if (ret) {
+        printf("DRM_IOCTL_MODE_MAP_DUMB failed ret=%d\n",ret);
+        drm_destroy_surface(surface);
+        return NULL;;
+    }
+
+    surface->base.height = height;
+    surface->base.width = width;
+    surface->base.row_bytes = create_dumb.pitch;
+    surface->base.pixel_bytes = create_dumb.bpp / 8;
+    surface->base.format = base_format;
+    surface->base.data = (unsigned char*)
+                         mmap(NULL,
+                              surface->base.height * surface->base.row_bytes,
+                              PROT_READ | PROT_WRITE, MAP_SHARED,
+                              drm_fd, map_dumb.offset);
+    if (surface->base.data == MAP_FAILED) {
+        perror("mmap() failed");
+        drm_destroy_surface(surface);
+        return NULL;
+    }
+
+    return surface;
+}
+
+static drmModeCrtc *find_crtc_for_connector(int fd,
+                            drmModeRes *resources,
+                            drmModeConnector *connector) {
+    int i, j;
+    drmModeEncoder *encoder;
+    int32_t crtc;
+
+    /*
+     * Find the encoder. If we already have one, just use it.
+     */
+    if (connector->encoder_id)
+        encoder = drmModeGetEncoder(fd, connector->encoder_id);
+    else
+        encoder = NULL;
+
+    if (encoder && encoder->crtc_id) {
+        crtc = encoder->crtc_id;
+        drmModeFreeEncoder(encoder);
+        return drmModeGetCrtc(fd, crtc);
+    }
+
+    /*
+     * Didn't find anything, try to find a crtc and encoder combo.
+     */
+    crtc = -1;
+    for (i = 0; i < connector->count_encoders; i++) {
+        encoder = drmModeGetEncoder(fd, connector->encoders[i]);
+
+        if (encoder) {
+            for (j = 0; j < resources->count_crtcs; j++) {
+                if (!(encoder->possible_crtcs & (1 << j)))
+                    continue;
+                crtc = resources->crtcs[j];
+                break;
+            }
+            if (crtc >= 0) {
+                drmModeFreeEncoder(encoder);
+                return drmModeGetCrtc(fd, crtc);
+            }
+        }
+    }
+
+    return NULL;
+}
+
+static drmModeConnector *find_used_connector_by_type(int fd,
+                                 drmModeRes *resources,
+                                 unsigned type) {
+    int i;
+    for (i = 0; i < resources->count_connectors; i++) {
+        drmModeConnector *connector;
+
+        connector = drmModeGetConnector(fd, resources->connectors[i]);
+        if (connector) {
+            if ((connector->connector_type == type) &&
+                    (connector->connection == DRM_MODE_CONNECTED) &&
+                    (connector->count_modes > 0))
+                return connector;
+
+            drmModeFreeConnector(connector);
+        }
+    }
+    return NULL;
+}
+
+static drmModeConnector *find_first_connected_connector(int fd,
+                             drmModeRes *resources) {
+    int i;
+    for (i = 0; i < resources->count_connectors; i++) {
+        drmModeConnector *connector;
+
+        connector = drmModeGetConnector(fd, resources->connectors[i]);
+        if (connector) {
+            if ((connector->count_modes > 0) &&
+                    (connector->connection == DRM_MODE_CONNECTED))
+                return connector;
+
+            drmModeFreeConnector(connector);
+        }
+    }
+    return NULL;
+}
+
+static drmModeConnector *find_main_monitor(int fd, drmModeRes *resources,
+        uint32_t *mode_index) {
+    unsigned i = 0;
+    int modes;
+    /* Look for LVDS/eDP/DSI connectors. Those are the main screens. */
+    unsigned kConnectorPriority[] = {
+        DRM_MODE_CONNECTOR_LVDS,
+        DRM_MODE_CONNECTOR_eDP,
+        DRM_MODE_CONNECTOR_DSI,
+    };
+
+    drmModeConnector *main_monitor_connector = NULL;
+    do {
+        main_monitor_connector = find_used_connector_by_type(fd,
+                                         resources,
+                                         kConnectorPriority[i]);
+        i++;
+    } while (!main_monitor_connector && i < ARRAY_SIZE(kConnectorPriority));
+
+    /* If we didn't find a connector, grab the first one that is connected. */
+    if (!main_monitor_connector)
+        main_monitor_connector =
+                find_first_connected_connector(fd, resources);
+
+    /* If we still didn't find a connector, give up and return. */
+    if (!main_monitor_connector)
+        return NULL;
+
+    *mode_index = 0;
+    for (modes = 0; modes < main_monitor_connector->count_modes; modes++) {
+        if (main_monitor_connector->modes[modes].type &
+                DRM_MODE_TYPE_PREFERRED) {
+            *mode_index = modes;
+            break;
+        }
+    }
+
+    return main_monitor_connector;
+}
+
+static void disable_non_main_crtcs(int fd,
+                    drmModeRes *resources,
+                    drmModeCrtc* main_crtc) {
+    int i;
+    drmModeCrtc* crtc;
+
+    for (i = 0; i < resources->count_connectors; i++) {
+        drmModeConnector *connector;
+
+        connector = drmModeGetConnector(fd, resources->connectors[i]);
+        crtc = find_crtc_for_connector(fd, resources, connector);
+        if (crtc->crtc_id != main_crtc->crtc_id)
+            drm_disable_crtc(fd, crtc);
+        drmModeFreeCrtc(crtc);
+    }
+}
+
+static GRSurface* drm_init(minui_backend* backend __unused) {
+    drmModeRes *res = NULL;
+    uint32_t selected_mode;
+    char *dev_name;
+    int width, height;
+    int ret, i;
+
+    /* Consider DRM devices in order. */
+    for (i = 0; i < DRM_MAX_MINOR; i++) {
+        uint64_t cap = 0;
+
+        ret = asprintf(&dev_name, DRM_DEV_NAME, DRM_DIR_NAME, i);
+        if (ret < 0)
+            continue;
+
+        drm_fd = open(dev_name, O_RDWR, 0);
+        free(dev_name);
+        if (drm_fd < 0)
+            continue;
+
+        /* We need dumb buffers. */
+        ret = drmGetCap(drm_fd, DRM_CAP_DUMB_BUFFER, &cap);
+        if (ret || cap == 0) {
+            close(drm_fd);
+            continue;
+        }
+
+        res = drmModeGetResources(drm_fd);
+        if (!res) {
+            close(drm_fd);
+            continue;
+        }
+
+        /* Use this device if it has at least one connected monitor. */
+        if (res->count_crtcs > 0 && res->count_connectors > 0)
+            if (find_first_connected_connector(drm_fd, res))
+                break;
+
+        drmModeFreeResources(res);
+        close(drm_fd);
+        res = NULL;
+    }
+
+    if (drm_fd < 0 || res == NULL) {
+        perror("cannot find/open a drm device");
+        return NULL;
+    }
+
+    main_monitor_connector = find_main_monitor(drm_fd,
+            res, &selected_mode);
+
+    if (!main_monitor_connector) {
+        printf("main_monitor_connector not found\n");
+        drmModeFreeResources(res);
+        close(drm_fd);
+        return NULL;
+    }
+
+    main_monitor_crtc = find_crtc_for_connector(drm_fd, res,
+                                                main_monitor_connector);
+
+    if (!main_monitor_crtc) {
+        printf("main_monitor_crtc not found\n");
+        drmModeFreeResources(res);
+        close(drm_fd);
+        return NULL;
+    }
+
+    disable_non_main_crtcs(drm_fd,
+                           res, main_monitor_crtc);
+
+    main_monitor_crtc->mode = main_monitor_connector->modes[selected_mode];
+
+    width = main_monitor_crtc->mode.hdisplay;
+    height = main_monitor_crtc->mode.vdisplay;
+
+    drmModeFreeResources(res);
+
+    drm_surfaces[0] = drm_create_surface(width, height);
+    drm_surfaces[1] = drm_create_surface(width, height);
+    if (!drm_surfaces[0] || !drm_surfaces[1]) {
+        drm_destroy_surface(drm_surfaces[0]);
+        drm_destroy_surface(drm_surfaces[1]);
+        drmModeFreeResources(res);
+        close(drm_fd);
+        return NULL;
+    }
+
+    current_buffer = 0;
+
+    drm_enable_crtc(drm_fd, main_monitor_crtc, drm_surfaces[1]);
+
+    return &(drm_surfaces[0]->base);
+}
+
+static GRSurface* drm_flip(minui_backend* backend __unused) {
+    int ret;
+
+    ret = drmModePageFlip(drm_fd, main_monitor_crtc->crtc_id,
+                          drm_surfaces[current_buffer]->fb_id, 0, NULL);
+    if (ret < 0) {
+        printf("drmModePageFlip failed ret=%d\n", ret);
+        return NULL;
+    }
+    current_buffer = 1 - current_buffer;
+    return &(drm_surfaces[current_buffer]->base);
+}
+
+static void drm_exit(minui_backend* backend __unused) {
+    drm_disable_crtc(drm_fd, main_monitor_crtc);
+    drm_destroy_surface(drm_surfaces[0]);
+    drm_destroy_surface(drm_surfaces[1]);
+    drmModeFreeCrtc(main_monitor_crtc);
+    drmModeFreeConnector(main_monitor_connector);
+    close(drm_fd);
+    drm_fd = -1;
+}
+
+static minui_backend drm_backend = {
+    .init = drm_init,
+    .flip = drm_flip,
+    .blank = drm_blank,
+    .exit = drm_exit,
+};
+
+minui_backend* open_drm() {
+    return &drm_backend;
+}
diff --git a/minuitwrp/graphics_fbdev.cpp b/minuitwrp/graphics_fbdev.cpp
new file mode 100644
index 0000000..10ef4fe
--- /dev/null
+++ b/minuitwrp/graphics_fbdev.cpp
@@ -0,0 +1,281 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+
+#include <sys/cdefs.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+
+#include <linux/fb.h>
+#include <linux/kd.h>
+
+#include "minui.h"
+#include "graphics.h"
+#include <pixelflinger/pixelflinger.h>
+
+static GRSurface* fbdev_init(minui_backend*);
+static GRSurface* fbdev_flip(minui_backend*);
+static void fbdev_blank(minui_backend*, bool);
+static void fbdev_exit(minui_backend*);
+
+static GRSurface gr_framebuffer[2];
+static bool double_buffered;
+static GRSurface* gr_draw = NULL;
+static int displayed_buffer;
+
+static fb_var_screeninfo vi;
+static int fb_fd = -1;
+static __u32 smem_len;
+
+static minui_backend my_backend = {
+    .init = fbdev_init,
+    .flip = fbdev_flip,
+    .blank = fbdev_blank,
+    .exit = fbdev_exit,
+};
+
+minui_backend* open_fbdev() {
+    return &my_backend;
+}
+
+static void fbdev_blank(minui_backend* backend __unused, bool blank)
+{
+#if defined(TW_NO_SCREEN_BLANK) && defined(TW_BRIGHTNESS_PATH) && defined(TW_MAX_BRIGHTNESS)
+    int fd;
+    char brightness[4];
+    snprintf(brightness, 4, "%03d", TW_MAX_BRIGHTNESS/2);
+
+    fd = open(TW_BRIGHTNESS_PATH, O_RDWR);
+    if (fd < 0) {
+        perror("cannot open LCD backlight");
+        return;
+    }
+    write(fd, blank ? "000" : brightness, 3);
+    close(fd);
+#else
+#ifndef TW_NO_SCREEN_BLANK
+    int ret;
+
+    ret = ioctl(fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
+    if (ret < 0)
+        perror("ioctl(): blank");
+#endif
+#endif
+}
+
+static void set_displayed_framebuffer(unsigned n)
+{
+    if (n > 1 || !double_buffered) return;
+
+    vi.yres_virtual = gr_framebuffer[0].height * 2;
+    vi.yoffset = n * gr_framebuffer[0].height;
+    vi.bits_per_pixel = gr_framebuffer[0].pixel_bytes * 8;
+    if (ioctl(fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
+        perror("active fb swap failed");
+    }
+    displayed_buffer = n;
+}
+
+static GRSurface* fbdev_init(minui_backend* backend) {
+    int fd = open("/dev/graphics/fb0", O_RDWR);
+    if (fd == -1) {
+        perror("cannot open fb0");
+        return NULL;
+    }
+
+    fb_fix_screeninfo fi;
+    if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
+        perror("failed to get fb0 info");
+        close(fd);
+        return NULL;
+    }
+
+    if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
+        perror("failed to get fb0 info");
+        close(fd);
+        return NULL;
+    }
+
+    // We print this out for informational purposes only, but
+    // throughout we assume that the framebuffer device uses an RGBX
+    // pixel format.  This is the case for every development device I
+    // have access to.  For some of those devices (eg, hammerhead aka
+    // Nexus 5), FBIOGET_VSCREENINFO *reports* that it wants a
+    // different format (XBGR) but actually produces the correct
+    // results on the display when you write RGBX.
+    //
+    // If you have a device that actually *needs* another pixel format
+    // (ie, BGRX, or 565), patches welcome...
+
+    printf("fb0 reports (possibly inaccurate):\n"
+           "  vi.bits_per_pixel = %d\n"
+           "  vi.red.offset   = %3d   .length = %3d\n"
+           "  vi.green.offset = %3d   .length = %3d\n"
+           "  vi.blue.offset  = %3d   .length = %3d\n",
+           vi.bits_per_pixel,
+           vi.red.offset, vi.red.length,
+           vi.green.offset, vi.green.length,
+           vi.blue.offset, vi.blue.length);
+
+    void* bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+    if (bits == MAP_FAILED) {
+        perror("failed to mmap framebuffer");
+        close(fd);
+        return NULL;
+    }
+
+    memset(bits, 0, fi.smem_len);
+
+#ifdef RECOVERY_RGB_565
+    printf("Forcing pixel format: RGB_565\n");
+    vi.blue.offset    = 0;
+    vi.green.offset   = 5;
+    vi.red.offset     = 11;
+    vi.blue.length    = 5;
+    vi.green.length   = 6;
+    vi.red.length     = 5;
+    vi.blue.msb_right = 0;
+    vi.green.msb_right = 0;
+    vi.red.msb_right = 0;
+    vi.transp.offset  = 0;
+    vi.transp.length  = 0;
+    vi.bits_per_pixel = 16;
+#endif
+
+    gr_framebuffer[0].width = vi.xres;
+    gr_framebuffer[0].height = vi.yres;
+    gr_framebuffer[0].row_bytes = fi.line_length;
+    gr_framebuffer[0].pixel_bytes = vi.bits_per_pixel / 8;
+#ifdef RECOVERY_GRAPHICS_USE_LINELENGTH
+    vi.xres_virtual = fi.line_length / gr_framebuffer[0].pixel_bytes;
+#endif
+    gr_framebuffer[0].data = reinterpret_cast<uint8_t*>(bits);
+    if (vi.bits_per_pixel == 16) {
+        printf("setting GGL_PIXEL_FORMAT_RGB_565\n");
+        gr_framebuffer[0].format = GGL_PIXEL_FORMAT_RGB_565;
+    } else if (vi.red.offset == 8) {
+        printf("setting GGL_PIXEL_FORMAT_BGRA_8888\n");
+        gr_framebuffer[0].format = GGL_PIXEL_FORMAT_BGRA_8888;
+    } else if (vi.red.offset == 0) {
+        printf("setting GGL_PIXEL_FORMAT_RGBA_8888\n");
+        gr_framebuffer[0].format = GGL_PIXEL_FORMAT_RGBA_8888;
+    } else if (vi.red.offset == 24) {
+        printf("setting GGL_PIXEL_FORMAT_RGBX_8888\n");
+        gr_framebuffer[0].format = GGL_PIXEL_FORMAT_RGBX_8888;
+    } else {
+        if (vi.red.length == 8) {
+            printf("No valid pixel format detected, trying GGL_PIXEL_FORMAT_RGBX_8888\n");
+            gr_framebuffer[0].format = GGL_PIXEL_FORMAT_RGBX_8888;
+        } else {
+            printf("No valid pixel format detected, trying GGL_PIXEL_FORMAT_RGB_565\n");
+            gr_framebuffer[0].format = GGL_PIXEL_FORMAT_RGB_565;
+        }
+    }
+
+    // Drawing directly to the framebuffer takes about 5 times longer.
+    // Instead, we will allocate some memory and draw to that, then
+    // memcpy the data into the framebuffer later.
+    gr_draw = (GRSurface*) malloc(sizeof(GRSurface));
+    if (!gr_draw) {
+        perror("failed to allocate gr_draw");
+        close(fd);
+        munmap(bits, fi.smem_len);
+        return NULL;
+    }
+    memcpy(gr_draw, gr_framebuffer, sizeof(GRSurface));
+    gr_draw->data = (unsigned char*) calloc(gr_draw->height * gr_draw->row_bytes, 1);
+    if (!gr_draw->data) {
+        perror("failed to allocate in-memory surface");
+        close(fd);
+        free(gr_draw);
+        munmap(bits, fi.smem_len);
+        return NULL;
+    }
+
+    /* check if we can use double buffering */
+    if (vi.yres * fi.line_length * 2 <= fi.smem_len) {
+        double_buffered = true;
+        printf("double buffered\n");
+
+        memcpy(gr_framebuffer+1, gr_framebuffer, sizeof(GRSurface));
+        gr_framebuffer[1].data = gr_framebuffer[0].data +
+            gr_framebuffer[0].height * gr_framebuffer[0].row_bytes;
+
+    } else {
+        double_buffered = false;
+        printf("single buffered\n");
+    }
+#if defined(RECOVERY_BGRA)
+    printf("RECOVERY_BGRA\n");
+#endif
+    fb_fd = fd;
+    set_displayed_framebuffer(0);
+
+    printf("framebuffer: %d (%d x %d)\n", fb_fd, gr_draw->width, gr_draw->height);
+
+    fbdev_blank(backend, true);
+    fbdev_blank(backend, false);
+
+    smem_len = fi.smem_len;
+
+    return gr_draw;
+}
+
+static GRSurface* fbdev_flip(minui_backend* backend __unused) {
+    if (double_buffered) {
+#if defined(RECOVERY_BGRA)
+        // In case of BGRA, do some byte swapping
+        unsigned int idx;
+        unsigned char tmp;
+        unsigned char* ucfb_vaddr = (unsigned char*)gr_draw->data;
+        for (idx = 0 ; idx < (gr_draw->height * gr_draw->row_bytes);
+                idx += 4) {
+            tmp = ucfb_vaddr[idx];
+            ucfb_vaddr[idx    ] = ucfb_vaddr[idx + 2];
+            ucfb_vaddr[idx + 2] = tmp;
+        }
+#endif
+        // Copy from the in-memory surface to the framebuffer.
+        memcpy(gr_framebuffer[1-displayed_buffer].data, gr_draw->data,
+               gr_draw->height * gr_draw->row_bytes);
+        set_displayed_framebuffer(1-displayed_buffer);
+    } else {
+        // Copy from the in-memory surface to the framebuffer.
+        memcpy(gr_framebuffer[0].data, gr_draw->data,
+               gr_draw->height * gr_draw->row_bytes);
+    }
+    return gr_draw;
+}
+
+static void fbdev_exit(minui_backend* backend __unused) {
+    close(fb_fd);
+    fb_fd = -1;
+
+    if (gr_draw) {
+        free(gr_draw->data);
+        free(gr_draw);
+    }
+    gr_draw = NULL;
+    munmap(gr_framebuffer[0].data, smem_len);
+}
diff --git a/minuitwrp/graphics_overlay.c b/minuitwrp/graphics_overlay.c
deleted file mode 100644
index 723ffa2..0000000
--- a/minuitwrp/graphics_overlay.c
+++ /dev/null
@@ -1,463 +0,0 @@
-/*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- *       copyright notice, this list of conditions and the following
- *       disclaimer in the documentation and/or other materials provided
- *       with the distribution.
- *     * Neither the name of The Linux Foundation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-
-#include <linux/fb.h>
-#include <linux/kd.h>
-
-#ifdef MSM_BSP
-#include <linux/msm_mdp.h>
-#include <linux/msm_ion.h>
-#endif
-
-#include <pixelflinger/pixelflinger.h>
-
-#include "minui.h"
-
-#define MDP_V4_0 400
-
-#ifdef MSM_BSP
-#define ALIGN(x, align) (((x) + ((align)-1)) & ~((align)-1))
-
-typedef struct {
-    unsigned char *mem_buf;
-    int size;
-    int ion_fd;
-    int mem_fd;
-    struct ion_handle_data handle_data;
-} memInfo;
-
-//Left and right overlay id
-static int overlayL_id = MSMFB_NEW_REQUEST;
-static int overlayR_id = MSMFB_NEW_REQUEST;
-
-static memInfo mem_info;
-
-static int map_mdp_pixel_format()
-{
-    int format = MDP_RGB_565;
-#if defined(RECOVERY_BGRA)
-    format = MDP_BGRA_8888;
-#elif defined(RECOVERY_RGBA)
-    format = MDP_RGBA_8888;
-#elif defined(RECOVERY_RGBX)
-    format = MDP_RGBA_8888;
-#endif
-    return format;
-}
-
-static bool overlay_supported = false;
-static bool isMDP5 = false;
-
-bool target_has_overlay(char *version)
-{
-    int mdp_version;
-
-    if (strlen(version) >= 8) {
-        if(!strncmp(version, "msmfb", strlen("msmfb"))) {
-            char str_ver[4];
-            memcpy(str_ver, version + strlen("msmfb"), 3);
-            str_ver[3] = '\0';
-            mdp_version = atoi(str_ver);
-            if (mdp_version >= MDP_V4_0) {
-                overlay_supported = true;
-            }
-        } else if (!strncmp(version, "mdssfb", strlen("mdssfb"))) {
-            overlay_supported = true;
-            isMDP5 = true;
-        }
-    }
-    if (overlay_supported) printf("Using qcomm overlay\n");
-    return overlay_supported;
-}
-
-bool isTargetMdp5()
-{
-    if (isMDP5)
-        return true;
-
-    return false;
-}
-
-int free_ion_mem(void) {
-    if (!overlay_supported)
-        return -EINVAL;
-
-    int ret = 0;
-
-    if (mem_info.mem_buf)
-        munmap(mem_info.mem_buf, mem_info.size);
-
-    if (mem_info.ion_fd >= 0) {
-        ret = ioctl(mem_info.ion_fd, ION_IOC_FREE, &mem_info.handle_data);
-        if (ret < 0)
-            perror("free_mem failed ");
-    }
-
-    if (mem_info.mem_fd >= 0)
-        close(mem_info.mem_fd);
-    if (mem_info.ion_fd >= 0)
-        close(mem_info.ion_fd);
-
-    memset(&mem_info, 0, sizeof(mem_info));
-    mem_info.mem_fd = -1;
-    mem_info.ion_fd = -1;
-    return 0;
-}
-
-int alloc_ion_mem(unsigned int size)
-{
-    if (!overlay_supported)
-        return -EINVAL;
-    int result;
-    struct ion_fd_data fd_data;
-    struct ion_allocation_data ionAllocData;
-
-    mem_info.ion_fd = open("/dev/ion", O_RDWR|O_DSYNC);
-    if (mem_info.ion_fd < 0) {
-        perror("ERROR: Can't open ion ");
-        return -errno;
-    }
-
-    ionAllocData.flags = 0;
-    ionAllocData.len = size;
-    ionAllocData.align = sysconf(_SC_PAGESIZE);
-#ifdef NEW_ION_HEAP
-    ionAllocData.heap_id_mask =
-#else
-    ionAllocData.heap_mask =
-#endif
-            ION_HEAP(ION_IOMMU_HEAP_ID) |
-            ION_HEAP(ION_SYSTEM_CONTIG_HEAP_ID);
-
-    result = ioctl(mem_info.ion_fd, ION_IOC_ALLOC,  &ionAllocData);
-    if(result){
-        perror("ION_IOC_ALLOC Failed ");
-        close(mem_info.ion_fd);
-        return result;
-    }
-
-    fd_data.handle = ionAllocData.handle;
-    mem_info.handle_data.handle = ionAllocData.handle;
-    result = ioctl(mem_info.ion_fd, ION_IOC_MAP, &fd_data);
-    if (result) {
-        perror("ION_IOC_MAP Failed ");
-        free_ion_mem();
-        return result;
-    }
-    mem_info.mem_buf = (unsigned char *)mmap(NULL, size, PROT_READ |
-                PROT_WRITE, MAP_SHARED, fd_data.fd, 0);
-    mem_info.mem_fd = fd_data.fd;
-
-    if (!mem_info.mem_buf) {
-        perror("ERROR: mem_buf MAP_FAILED ");
-        free_ion_mem();
-        return -ENOMEM;
-    }
-
-    return 0;
-}
-
-int allocate_overlay(int fd, GGLSurface gr_fb[])
-{
-    int ret = 0;
-
-    if (!overlay_supported)
-        return -EINVAL;
-
-    if (!isDisplaySplit()) {
-        // Check if overlay is already allocated
-        if (MSMFB_NEW_REQUEST == overlayL_id) {
-            struct mdp_overlay overlayL;
-
-            memset(&overlayL, 0 , sizeof (struct mdp_overlay));
-
-            /* Fill Overlay Data */
-            overlayL.src.width  = ALIGN(gr_fb[0].width, 32);
-            overlayL.src.height = gr_fb[0].height;
-            overlayL.src.format = map_mdp_pixel_format();
-            overlayL.src_rect.w = gr_fb[0].width;
-            overlayL.src_rect.h = gr_fb[0].height;
-            overlayL.dst_rect.w = gr_fb[0].width;
-            overlayL.dst_rect.h = gr_fb[0].height;
-            overlayL.alpha = 0xFF;
-            overlayL.transp_mask = MDP_TRANSP_NOP;
-            overlayL.id = MSMFB_NEW_REQUEST;
-            ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
-            if (ret < 0) {
-                perror("Overlay Set Failed");
-                return ret;
-            }
-            overlayL_id = overlayL.id;
-        }
-    } else {
-        float xres = getFbXres();
-        int lSplit = getLeftSplit();
-        float lSplitRatio = lSplit / xres;
-        float lCropWidth = gr_fb[0].width * lSplitRatio;
-        int lWidth = lSplit;
-        int rWidth = gr_fb[0].width - lSplit;
-        int height = gr_fb[0].height;
-
-        if (MSMFB_NEW_REQUEST == overlayL_id) {
-
-            struct mdp_overlay overlayL;
-
-            memset(&overlayL, 0 , sizeof (struct mdp_overlay));
-
-            /* Fill OverlayL Data */
-            overlayL.src.width  = ALIGN(gr_fb[0].width, 32);
-            overlayL.src.height = gr_fb[0].height;
-            overlayL.src.format = map_mdp_pixel_format();
-            overlayL.src_rect.x = 0;
-            overlayL.src_rect.y = 0;
-            overlayL.src_rect.w = lCropWidth;
-            overlayL.src_rect.h = gr_fb[0].height;
-            overlayL.dst_rect.x = 0;
-            overlayL.dst_rect.y = 0;
-            overlayL.dst_rect.w = lWidth;
-            overlayL.dst_rect.h = height;
-            overlayL.alpha = 0xFF;
-            overlayL.transp_mask = MDP_TRANSP_NOP;
-            overlayL.id = MSMFB_NEW_REQUEST;
-            ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
-            if (ret < 0) {
-                perror("OverlayL Set Failed");
-                return ret;
-            }
-            overlayL_id = overlayL.id;
-        }
-        if (MSMFB_NEW_REQUEST == overlayR_id) {
-            struct mdp_overlay overlayR;
-
-            memset(&overlayR, 0 , sizeof (struct mdp_overlay));
-
-            /* Fill OverlayR Data */
-            overlayR.src.width  = ALIGN(gr_fb[0].width, 32);
-            overlayR.src.height = gr_fb[0].height;
-            overlayR.src.format = map_mdp_pixel_format();
-            overlayR.src_rect.x = lCropWidth;
-            overlayR.src_rect.y = 0;
-            overlayR.src_rect.w = gr_fb[0].width - lCropWidth;
-            overlayR.src_rect.h = gr_fb[0].height;
-            overlayR.dst_rect.x = 0;
-            overlayR.dst_rect.y = 0;
-            overlayR.dst_rect.w = rWidth;
-            overlayR.dst_rect.h = height;
-            overlayR.alpha = 0xFF;
-            overlayR.flags = MDSS_MDP_RIGHT_MIXER;
-            overlayR.transp_mask = MDP_TRANSP_NOP;
-            overlayR.id = MSMFB_NEW_REQUEST;
-            ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayR);
-            if (ret < 0) {
-                perror("OverlayR Set Failed");
-                return ret;
-            }
-            overlayR_id = overlayR.id;
-        }
-
-    }
-    return 0;
-}
-
-int free_overlay(int fd)
-{
-    if (!overlay_supported)
-        return -EINVAL;
-
-    int ret = 0;
-    struct mdp_display_commit ext_commit;
-
-    if (!isDisplaySplit()) {
-        if (overlayL_id != MSMFB_NEW_REQUEST) {
-            ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
-            if (ret) {
-                perror("Overlay Unset Failed");
-                overlayL_id = MSMFB_NEW_REQUEST;
-                return ret;
-            }
-        }
-    } else {
-
-        if (overlayL_id != MSMFB_NEW_REQUEST) {
-            ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
-            if (ret) {
-                perror("OverlayL Unset Failed");
-                overlayL_id = MSMFB_NEW_REQUEST;
-                return ret;
-            }
-        }
-
-        if (overlayR_id != MSMFB_NEW_REQUEST) {
-            ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayR_id);
-            if (ret) {
-                perror("OverlayR Unset Failed");
-                overlayR_id = MSMFB_NEW_REQUEST;
-                return ret;
-            }
-        }
-    }
-    memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
-    ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
-    ext_commit.wait_for_finish = 1;
-    ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
-    if (ret < 0) {
-        perror("ERROR: Clear MSMFB_DISPLAY_COMMIT failed!");
-        overlayL_id = MSMFB_NEW_REQUEST;
-        overlayR_id = MSMFB_NEW_REQUEST;
-        return ret;
-    }
-    overlayL_id = MSMFB_NEW_REQUEST;
-    overlayR_id = MSMFB_NEW_REQUEST;
-
-    return 0;
-}
-
-int overlay_display_frame(int fd, GGLubyte* data, size_t size)
-{
-    if (!overlay_supported)
-        return -EINVAL;
-
-    int ret = 0;
-    struct msmfb_overlay_data ovdataL, ovdataR;
-    struct mdp_display_commit ext_commit;
-
-    if (!isDisplaySplit()) {
-        if (overlayL_id == MSMFB_NEW_REQUEST) {
-            perror("display_frame failed, no overlay\n");
-            return -EINVAL;
-        }
-
-        memcpy(mem_info.mem_buf, data, size);
-
-        memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));
-
-        ovdataL.id = overlayL_id;
-        ovdataL.data.flags = 0;
-        ovdataL.data.offset = 0;
-        ovdataL.data.memory_id = mem_info.mem_fd;
-        ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
-        if (ret < 0) {
-            perror("overlay_display_frame failed, overlay play Failed\n");
-            return ret;
-        }
-    } else {
-
-        if (overlayL_id == MSMFB_NEW_REQUEST) {
-            perror("display_frame failed, no overlayL \n");
-            return -EINVAL;
-        }
-
-        memcpy(mem_info.mem_buf, data, size);
-
-        memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));
-
-        ovdataL.id = overlayL_id;
-        ovdataL.data.flags = 0;
-        ovdataL.data.offset = 0;
-        ovdataL.data.memory_id = mem_info.mem_fd;
-        ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
-        if (ret < 0) {
-            perror("overlay_display_frame failed, overlayL play Failed\n");
-            return ret;
-        }
-
-        if (overlayR_id == MSMFB_NEW_REQUEST) {
-            perror("display_frame failed, no overlayR \n");
-            return -EINVAL;
-        }
-        memset(&ovdataR, 0, sizeof(struct msmfb_overlay_data));
-
-        ovdataR.id = overlayR_id;
-        ovdataR.data.flags = 0;
-        ovdataR.data.offset = 0;
-        ovdataR.data.memory_id = mem_info.mem_fd;
-        ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataR);
-        if (ret < 0) {
-            perror("overlay_display_frame failed, overlayR play Failed\n");
-            return ret;
-        }
-    }
-    memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
-    ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
-    ext_commit.wait_for_finish = 1;
-    ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
-    if (ret < 0) {
-        perror("overlay_display_frame failed, overlay commit Failed\n!");
-    }
-
-    return ret;
-}
-
-#else
-
-bool target_has_overlay(char *version) {
-    return false;
-}
-
-bool isTargetMdp5() {
-    return false;
-}
-
-int free_ion_mem(void) {
-    return -EINVAL;
-}
-
-int alloc_ion_mem(unsigned int size)
-{
-    return -EINVAL;
-}
-
-int allocate_overlay(int fd, GGLSurface gr_fb[])
-{
-    return -EINVAL;
-}
-
-int free_overlay(int fd)
-{
-    return -EINVAL;
-}
-
-int overlay_display_frame(int fd, GGLubyte* data, size_t size)
-{
-    return -EINVAL;
-}
-
-#endif //#ifdef MSM_BSP
diff --git a/minuitwrp/graphics_overlay.cpp b/minuitwrp/graphics_overlay.cpp
new file mode 100644
index 0000000..5445b6f
--- /dev/null
+++ b/minuitwrp/graphics_overlay.cpp
@@ -0,0 +1,653 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+
+#include <sys/cdefs.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+
+#include <linux/fb.h>
+#include <linux/kd.h>
+
+#ifdef MSM_BSP
+#include <linux/msm_mdp.h>
+#include <linux/msm_ion.h>
+#endif
+
+#include "minui.h"
+#include "graphics.h"
+#include <pixelflinger/pixelflinger.h>
+
+#define MDP_V4_0 400
+#define MAX_DISPLAY_DIM  2048
+
+static GRSurface* overlay_init(minui_backend*);
+static GRSurface* overlay_flip(minui_backend*);
+static void overlay_blank(minui_backend*, bool);
+static void overlay_exit(minui_backend*);
+
+static GRSurface gr_framebuffer;
+static GRSurface* gr_draw = NULL;
+static int displayed_buffer;
+
+static fb_var_screeninfo vi;
+static int fb_fd = -1;
+static bool isMDP5 = false;
+static int leftSplit = 0;
+static int rightSplit = 0;
+#define ALIGN(x, align) (((x) + ((align)-1)) & ~((align)-1))
+
+static size_t frame_size = 0;
+
+#ifdef MSM_BSP
+typedef struct {
+    unsigned char *mem_buf;
+    int size;
+    int ion_fd;
+    int mem_fd;
+    struct ion_handle_data handle_data;
+} memInfo;
+
+//Left and right overlay id
+static int overlayL_id = MSMFB_NEW_REQUEST;
+static int overlayR_id = MSMFB_NEW_REQUEST;
+
+static memInfo mem_info;
+
+static int map_mdp_pixel_format()
+{
+    if (gr_framebuffer.format == GGL_PIXEL_FORMAT_RGB_565)
+        return MDP_RGB_565;
+    else if (gr_framebuffer.format == GGL_PIXEL_FORMAT_BGRA_8888)
+        return MDP_BGRA_8888;
+    else if (gr_framebuffer.format == GGL_PIXEL_FORMAT_RGBA_8888)
+        return MDP_RGBA_8888;
+    else if (gr_framebuffer.format == GGL_PIXEL_FORMAT_RGBX_8888)
+        return MDP_RGBA_8888;
+    printf("No known pixel format for map_mdp_pixel_format, defaulting to MDP_RGB_565.\n");
+    return MDP_RGB_565;
+}
+#endif // MSM_BSP
+
+static minui_backend my_backend = {
+    .init = overlay_init,
+    .flip = overlay_flip,
+    .blank = overlay_blank,
+    .exit = overlay_exit,
+};
+
+bool target_has_overlay(char *version)
+{
+    int ret;
+    int mdp_version;
+    bool overlay_supported = false;
+
+    if (strlen(version) >= 8) {
+        if(!strncmp(version, "msmfb", strlen("msmfb"))) {
+            char str_ver[4];
+            memcpy(str_ver, version + strlen("msmfb"), 3);
+            str_ver[3] = '\0';
+            mdp_version = atoi(str_ver);
+            if (mdp_version >= MDP_V4_0) {
+                overlay_supported = true;
+            }
+        } else if (!strncmp(version, "mdssfb", strlen("mdssfb"))) {
+            overlay_supported = true;
+            isMDP5 = true;
+        }
+    }
+
+    return overlay_supported;
+}
+
+minui_backend* open_overlay() {
+    fb_fix_screeninfo fi;
+    int fd;
+
+    fd = open("/dev/graphics/fb0", O_RDWR);
+    if (fd < 0) {
+        perror("open_overlay cannot open fb0");
+        return NULL;
+    }
+
+    if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
+        perror("failed to get fb0 info");
+        close(fd);
+        return NULL;
+    }
+
+    if (target_has_overlay(fi.id)) {
+#ifdef MSM_BSP
+        close(fd);
+        return &my_backend;
+#else
+        printf("Overlay graphics may work (%s), but not enabled. Use TW_TARGET_USES_QCOM_BSP := true to enable.\n", fi.id);
+#endif
+    }
+    close(fd);
+    return NULL;
+}
+
+static void overlay_blank(minui_backend* backend __unused, bool blank)
+{
+#if defined(TW_NO_SCREEN_BLANK) && defined(TW_BRIGHTNESS_PATH) && defined(TW_MAX_BRIGHTNESS)
+    int fd;
+    char brightness[4];
+    snprintf(brightness, 4, "%03d", TW_MAX_BRIGHTNESS/2);
+
+    fd = open(TW_BRIGHTNESS_PATH, O_RDWR);
+    if (fd < 0) {
+        perror("cannot open LCD backlight");
+        return;
+    }
+    write(fd, blank ? "000" : brightness, 3);
+    close(fd);
+#else
+    int ret;
+
+    ret = ioctl(fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
+    if (ret < 0)
+        perror("ioctl(): blank");
+#endif
+}
+
+#ifdef MSM_BSP
+void setDisplaySplit(void) {
+    char split[64] = {0};
+    if (!isMDP5)
+        return;
+    FILE* fp = fopen("/sys/class/graphics/fb0/msm_fb_split", "r");
+    if (fp) {
+        //Format "left right" space as delimiter
+        if(fread(split, sizeof(char), 64, fp)) {
+            leftSplit = atoi(split);
+            printf("Left Split=%d\n",leftSplit);
+            char *rght = strpbrk(split, " ");
+            if (rght)
+                rightSplit = atoi(rght + 1);
+            printf("Right Split=%d\n", rightSplit);
+        }
+    } else {
+        printf("Failed to open mdss_fb_split node\n");
+    }
+    if (fp)
+        fclose(fp);
+}
+
+int getLeftSplit(void) {
+   //Default even split for all displays with high res
+   int lSplit = vi.xres / 2;
+
+   //Override if split published by driver
+   if (leftSplit)
+       lSplit = leftSplit;
+
+   return lSplit;
+}
+
+int getRightSplit(void) {
+   return rightSplit;
+}
+
+int free_ion_mem(void) {
+    int ret = 0;
+
+    if (mem_info.mem_buf)
+        munmap(mem_info.mem_buf, mem_info.size);
+
+    if (mem_info.ion_fd >= 0) {
+        ret = ioctl(mem_info.ion_fd, ION_IOC_FREE, &mem_info.handle_data);
+        if (ret < 0)
+            perror("free_mem failed ");
+    }
+
+    if (mem_info.mem_fd >= 0)
+        close(mem_info.mem_fd);
+    if (mem_info.ion_fd >= 0)
+        close(mem_info.ion_fd);
+
+    memset(&mem_info, 0, sizeof(mem_info));
+    mem_info.mem_fd = -1;
+    mem_info.ion_fd = -1;
+    return 0;
+}
+
+int alloc_ion_mem(unsigned int size)
+{
+    int result;
+    struct ion_fd_data fd_data;
+    struct ion_allocation_data ionAllocData;
+
+    mem_info.ion_fd = open("/dev/ion", O_RDWR|O_DSYNC);
+    if (mem_info.ion_fd < 0) {
+        perror("ERROR: Can't open ion ");
+        return -errno;
+    }
+
+    ionAllocData.flags = 0;
+    ionAllocData.len = size;
+    ionAllocData.align = sysconf(_SC_PAGESIZE);
+#ifdef NEW_ION_HEAP
+    ionAllocData.heap_id_mask =
+#else
+    ionAllocData.heap_mask =
+#endif
+            ION_HEAP(ION_IOMMU_HEAP_ID) |
+            ION_HEAP(ION_SYSTEM_CONTIG_HEAP_ID);
+
+    result = ioctl(mem_info.ion_fd, ION_IOC_ALLOC,  &ionAllocData);
+    if(result){
+        perror("ION_IOC_ALLOC Failed ");
+        close(mem_info.ion_fd);
+        return result;
+    }
+
+    fd_data.handle = ionAllocData.handle;
+    mem_info.handle_data.handle = ionAllocData.handle;
+    result = ioctl(mem_info.ion_fd, ION_IOC_MAP, &fd_data);
+    if (result) {
+        perror("ION_IOC_MAP Failed ");
+        free_ion_mem();
+        return result;
+    }
+    mem_info.mem_buf = (unsigned char *)mmap(NULL, size, PROT_READ |
+                PROT_WRITE, MAP_SHARED, fd_data.fd, 0);
+    mem_info.mem_fd = fd_data.fd;
+
+    if (!mem_info.mem_buf) {
+        perror("ERROR: mem_buf MAP_FAILED ");
+        free_ion_mem();
+        return -ENOMEM;
+    }
+
+    return 0;
+}
+
+bool isDisplaySplit(void) {
+    if (vi.xres > MAX_DISPLAY_DIM)
+        return true;
+    //check if right split is set by driver
+    if (getRightSplit())
+        return true;
+
+    return false;
+}
+
+int allocate_overlay(int fd, GRSurface gr_fb)
+{
+    int ret = 0;
+
+    if (!isDisplaySplit()) {
+        // Check if overlay is already allocated
+        if (MSMFB_NEW_REQUEST == overlayL_id) {
+            struct mdp_overlay overlayL;
+
+            memset(&overlayL, 0 , sizeof (struct mdp_overlay));
+
+            /* Fill Overlay Data */
+            overlayL.src.width  = ALIGN(gr_fb.width, 32);
+            overlayL.src.height = gr_fb.height;
+            overlayL.src.format = map_mdp_pixel_format();
+            overlayL.src_rect.w = gr_fb.width;
+            overlayL.src_rect.h = gr_fb.height;
+            overlayL.dst_rect.w = gr_fb.width;
+            overlayL.dst_rect.h = gr_fb.height;
+            overlayL.alpha = 0xFF;
+            overlayL.transp_mask = MDP_TRANSP_NOP;
+            overlayL.id = MSMFB_NEW_REQUEST;
+            ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
+            if (ret < 0) {
+                perror("Overlay Set Failed");
+                return ret;
+            }
+            overlayL_id = overlayL.id;
+        }
+    } else {
+        float xres = vi.xres;
+        int lSplit = getLeftSplit();
+        float lSplitRatio = lSplit / xres;
+        float lCropWidth = gr_fb.width * lSplitRatio;
+        int lWidth = lSplit;
+        int rWidth = gr_fb.width - lSplit;
+        int height = gr_fb.height;
+
+        if (MSMFB_NEW_REQUEST == overlayL_id) {
+
+            struct mdp_overlay overlayL;
+
+            memset(&overlayL, 0 , sizeof (struct mdp_overlay));
+
+            /* Fill OverlayL Data */
+            overlayL.src.width  = ALIGN(gr_fb.width, 32);
+            overlayL.src.height = gr_fb.height;
+            overlayL.src.format = map_mdp_pixel_format();
+            overlayL.src_rect.x = 0;
+            overlayL.src_rect.y = 0;
+            overlayL.src_rect.w = lCropWidth;
+            overlayL.src_rect.h = gr_fb.height;
+            overlayL.dst_rect.x = 0;
+            overlayL.dst_rect.y = 0;
+            overlayL.dst_rect.w = lWidth;
+            overlayL.dst_rect.h = height;
+            overlayL.alpha = 0xFF;
+            overlayL.transp_mask = MDP_TRANSP_NOP;
+            overlayL.id = MSMFB_NEW_REQUEST;
+            ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayL);
+            if (ret < 0) {
+                perror("OverlayL Set Failed");
+                return ret;
+            }
+            overlayL_id = overlayL.id;
+        }
+        if (MSMFB_NEW_REQUEST == overlayR_id) {
+            struct mdp_overlay overlayR;
+
+            memset(&overlayR, 0 , sizeof (struct mdp_overlay));
+
+            /* Fill OverlayR Data */
+            overlayR.src.width  = ALIGN(gr_fb.width, 32);
+            overlayR.src.height = gr_fb.height;
+            overlayR.src.format = map_mdp_pixel_format();
+            overlayR.src_rect.x = lCropWidth;
+            overlayR.src_rect.y = 0;
+            overlayR.src_rect.w = gr_fb.width - lCropWidth;
+            overlayR.src_rect.h = gr_fb.height;
+            overlayR.dst_rect.x = 0;
+            overlayR.dst_rect.y = 0;
+            overlayR.dst_rect.w = rWidth;
+            overlayR.dst_rect.h = height;
+            overlayR.alpha = 0xFF;
+            overlayR.flags = MDSS_MDP_RIGHT_MIXER;
+            overlayR.transp_mask = MDP_TRANSP_NOP;
+            overlayR.id = MSMFB_NEW_REQUEST;
+            ret = ioctl(fd, MSMFB_OVERLAY_SET, &overlayR);
+            if (ret < 0) {
+                perror("OverlayR Set Failed");
+                return ret;
+            }
+            overlayR_id = overlayR.id;
+        }
+
+    }
+    return 0;
+}
+
+int overlay_display_frame(int fd, void* data, size_t size)
+{
+    int ret = 0;
+    struct msmfb_overlay_data ovdataL, ovdataR;
+    struct mdp_display_commit ext_commit;
+
+    if (!isDisplaySplit()) {
+        if (overlayL_id == MSMFB_NEW_REQUEST) {
+            perror("display_frame failed, no overlay\n");
+            return -EINVAL;
+        }
+
+        memcpy(mem_info.mem_buf, data, size);
+
+        memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));
+
+        ovdataL.id = overlayL_id;
+        ovdataL.data.flags = 0;
+        ovdataL.data.offset = 0;
+        ovdataL.data.memory_id = mem_info.mem_fd;
+        ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
+        if (ret < 0) {
+            perror("overlay_display_frame failed, overlay play Failed\n");
+            printf("%i, %i, %i, %i\n", ret, fb_fd, fd, errno);
+            return ret;
+        }
+    } else {
+
+        if (overlayL_id == MSMFB_NEW_REQUEST) {
+            perror("display_frame failed, no overlayL \n");
+            return -EINVAL;
+        }
+
+        memcpy(mem_info.mem_buf, data, size);
+
+        memset(&ovdataL, 0, sizeof(struct msmfb_overlay_data));
+
+        ovdataL.id = overlayL_id;
+        ovdataL.data.flags = 0;
+        ovdataL.data.offset = 0;
+        ovdataL.data.memory_id = mem_info.mem_fd;
+        ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataL);
+        if (ret < 0) {
+            perror("overlay_display_frame failed, overlayL play Failed\n");
+            return ret;
+        }
+
+        if (overlayR_id == MSMFB_NEW_REQUEST) {
+            perror("display_frame failed, no overlayR \n");
+            return -EINVAL;
+        }
+        memset(&ovdataR, 0, sizeof(struct msmfb_overlay_data));
+
+        ovdataR.id = overlayR_id;
+        ovdataR.data.flags = 0;
+        ovdataR.data.offset = 0;
+        ovdataR.data.memory_id = mem_info.mem_fd;
+        ret = ioctl(fd, MSMFB_OVERLAY_PLAY, &ovdataR);
+        if (ret < 0) {
+            perror("overlay_display_frame failed, overlayR play Failed\n");
+            return ret;
+        }
+    }
+    memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
+    ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
+    ext_commit.wait_for_finish = 1;
+    ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
+    if (ret < 0) {
+        perror("overlay_display_frame failed, overlay commit Failed\n!");
+    }
+
+    return ret;
+}
+
+static GRSurface* overlay_flip(minui_backend* backend __unused) {
+#if defined(RECOVERY_BGRA)
+    // In case of BGRA, do some byte swapping
+    unsigned int idx;
+    unsigned char tmp;
+    unsigned char* ucfb_vaddr = (unsigned char*)gr_draw->data;
+    for (idx = 0 ; idx < (gr_draw->height * gr_draw->row_bytes);
+            idx += 4) {
+        tmp = ucfb_vaddr[idx];
+        ucfb_vaddr[idx    ] = ucfb_vaddr[idx + 2];
+        ucfb_vaddr[idx + 2] = tmp;
+    }
+#endif
+    // Copy from the in-memory surface to the framebuffer.
+    overlay_display_frame(fb_fd, gr_draw->data, frame_size);
+    return gr_draw;
+}
+
+int free_overlay(int fd)
+{
+    int ret = 0;
+    struct mdp_display_commit ext_commit;
+
+    if (!isDisplaySplit()) {
+        if (overlayL_id != MSMFB_NEW_REQUEST) {
+            ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
+            if (ret) {
+                perror("Overlay Unset Failed");
+                overlayL_id = MSMFB_NEW_REQUEST;
+                return ret;
+            }
+        }
+    } else {
+
+        if (overlayL_id != MSMFB_NEW_REQUEST) {
+            ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayL_id);
+            if (ret) {
+                perror("OverlayL Unset Failed");
+            }
+        }
+
+        if (overlayR_id != MSMFB_NEW_REQUEST) {
+            ret = ioctl(fd, MSMFB_OVERLAY_UNSET, &overlayR_id);
+            if (ret) {
+                perror("OverlayR Unset Failed");
+                overlayR_id = MSMFB_NEW_REQUEST;
+                return ret;
+            }
+        }
+    }
+    memset(&ext_commit, 0, sizeof(struct mdp_display_commit));
+    ext_commit.flags = MDP_DISPLAY_COMMIT_OVERLAY;
+    ext_commit.wait_for_finish = 1;
+    ret = ioctl(fd, MSMFB_DISPLAY_COMMIT, &ext_commit);
+    if (ret < 0) {
+        perror("ERROR: Clear MSMFB_DISPLAY_COMMIT failed!");
+        overlayL_id = MSMFB_NEW_REQUEST;
+        overlayR_id = MSMFB_NEW_REQUEST;
+        return ret;
+    }
+    overlayL_id = MSMFB_NEW_REQUEST;
+    overlayR_id = MSMFB_NEW_REQUEST;
+
+    return 0;
+}
+
+static GRSurface* overlay_init(minui_backend* backend) {
+    int fd = open("/dev/graphics/fb0", O_RDWR);
+    if (fd == -1) {
+        perror("cannot open fb0");
+        return NULL;
+    }
+
+    fb_fix_screeninfo fi;
+    if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
+        perror("failed to get fb0 info");
+        close(fd);
+        return NULL;
+    }
+
+    if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
+        perror("failed to get fb0 info");
+        close(fd);
+        return NULL;
+    }
+
+    // We print this out for informational purposes only, but
+    // throughout we assume that the framebuffer device uses an RGBX
+    // pixel format.  This is the case for every development device I
+    // have access to.  For some of those devices (eg, hammerhead aka
+    // Nexus 5), FBIOGET_VSCREENINFO *reports* that it wants a
+    // different format (XBGR) but actually produces the correct
+    // results on the display when you write RGBX.
+    //
+    // If you have a device that actually *needs* another pixel format
+    // (ie, BGRX, or 565), patches welcome...
+
+    printf("fb0 reports (possibly inaccurate):\n"
+           "  vi.bits_per_pixel = %d\n"
+           "  vi.red.offset   = %3d   .length = %3d\n"
+           "  vi.green.offset = %3d   .length = %3d\n"
+           "  vi.blue.offset  = %3d   .length = %3d\n",
+           vi.bits_per_pixel,
+           vi.red.offset, vi.red.length,
+           vi.green.offset, vi.green.length,
+           vi.blue.offset, vi.blue.length);
+
+    gr_framebuffer.width = vi.xres;
+    gr_framebuffer.height = vi.yres;
+    gr_framebuffer.row_bytes = fi.line_length;
+    gr_framebuffer.pixel_bytes = vi.bits_per_pixel / 8;
+    //gr_framebuffer.data = reinterpret_cast<uint8_t*>(bits);
+    if (vi.bits_per_pixel == 16) {
+        printf("setting GGL_PIXEL_FORMAT_RGB_565\n");
+        gr_framebuffer.format = GGL_PIXEL_FORMAT_RGB_565;
+    } else if (vi.red.offset == 8) {
+        printf("setting GGL_PIXEL_FORMAT_BGRA_8888\n");
+        gr_framebuffer.format = GGL_PIXEL_FORMAT_BGRA_8888;
+    } else if (vi.red.offset == 0) {
+        printf("setting GGL_PIXEL_FORMAT_RGBA_8888\n");
+        gr_framebuffer.format = GGL_PIXEL_FORMAT_RGBA_8888;
+    } else if (vi.red.offset == 24) {
+        printf("setting GGL_PIXEL_FORMAT_RGBX_8888\n");
+        gr_framebuffer.format = GGL_PIXEL_FORMAT_RGBX_8888;
+    } else {
+        if (vi.red.length == 8) {
+            printf("No valid pixel format detected, trying GGL_PIXEL_FORMAT_RGBX_8888\n");
+            gr_framebuffer.format = GGL_PIXEL_FORMAT_RGBX_8888;
+        } else {
+            printf("No valid pixel format detected, trying GGL_PIXEL_FORMAT_RGB_565\n");
+            gr_framebuffer.format = GGL_PIXEL_FORMAT_RGB_565;
+        }
+    }
+
+    frame_size = fi.line_length * vi.yres;
+
+    gr_framebuffer.data = reinterpret_cast<uint8_t*>(calloc(frame_size, 1));
+    if (gr_framebuffer.data == NULL) {
+        perror("failed to calloc framebuffer");
+        close(fd);
+        return NULL;
+    }
+
+    gr_draw = &gr_framebuffer;
+    fb_fd = fd;
+
+    printf("framebuffer: %d (%d x %d)\n", fb_fd, gr_draw->width, gr_draw->height);
+
+    overlay_blank(backend, true);
+    overlay_blank(backend, false);
+
+    if (!alloc_ion_mem(frame_size))
+        allocate_overlay(fb_fd, gr_framebuffer);
+
+    return gr_draw;
+}
+
+static void overlay_exit(minui_backend* backend __unused) {
+    free_overlay(fb_fd);
+    free_ion_mem();
+
+    close(fb_fd);
+    fb_fd = -1;
+
+    if (gr_draw) {
+        free(gr_draw->data);
+        free(gr_draw);
+    }
+    gr_draw = NULL;
+}
+#else // MSM_BSP
+static GRSurface* overlay_flip(minui_backend* backend __unused) {
+    return NULL;
+}
+
+static GRSurface* overlay_init(minui_backend* backend __unused) {
+    return NULL;
+}
+
+static void overlay_exit(minui_backend* backend __unused) {
+    return;
+}
+#endif // MSM_BSP
diff --git a/minuitwrp/graphics_utils.c b/minuitwrp/graphics_utils.cpp
similarity index 91%
rename from minuitwrp/graphics_utils.c
rename to minuitwrp/graphics_utils.cpp
index ea1182d..6ce5704 100644
--- a/minuitwrp/graphics_utils.c
+++ b/minuitwrp/graphics_utils.cpp
@@ -23,7 +23,8 @@
 #include "minui.h"
 
 struct fb_var_screeninfo vi;
-GGLSurface gr_mem_surface;
+extern GGLSurface gr_mem_surface;
+extern GRSurface* gr_draw;
 
 int gr_save_screenshot(const char *dest)
 {
@@ -41,7 +42,11 @@
     if(!fp)
         goto exit;
 
-    img_data = malloc(gr_mem_surface.stride * vi.yres * 4);
+    img_data = (uint8_t *)malloc(gr_mem_surface.stride * gr_mem_surface.height * gr_draw->pixel_bytes);
+    if (!img_data) {
+        printf("gr_save_screenshot failed to malloc img_data\n");
+        goto exit;
+    }
     surface.version = sizeof(surface);
     surface.width = gr_mem_surface.width;
     surface.height = gr_mem_surface.height;
diff --git a/minuitwrp/minui.h b/minuitwrp/minui.h
index 25a785a..018f327 100644
--- a/minuitwrp/minui.h
+++ b/minuitwrp/minui.h
@@ -18,6 +18,16 @@
 #define _MINUI_H_
 
 #include "../gui/placement.h"
+#include <stdbool.h>
+
+struct GRSurface {
+    int width;
+    int height;
+    int row_bytes;
+    int pixel_bytes;
+    unsigned char* data;
+    __u32 format;
+};
 
 typedef void* gr_surface;
 typedef unsigned short gr_pixel;
@@ -32,7 +42,7 @@
 int gr_fb_height(void);
 gr_pixel *gr_fb_data(void);
 void gr_flip(void);
-int gr_fb_blank(int blank);
+void gr_fb_blank(bool blank);
 
 void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
 void gr_clip(int x, int y, int w, int h);
@@ -41,14 +51,7 @@
 void gr_line(int x0, int y0, int x1, int y1, int width);
 gr_surface gr_render_circle(int radius, unsigned char r, unsigned char g, unsigned char b, unsigned char a);
 
-int gr_textEx(int x, int y, const char *s, void* font);
 int gr_textEx_scaleW(int x, int y, const char *s, void* pFont, int max_width, int placement, int scale);
-int gr_textExW(int x, int y, const char *s, void* font, int max_width);
-int gr_textExWH(int x, int y, const char *s, void* pFont, int max_width, int max_height);
-static inline int gr_text(int x, int y, const char *s)     { return gr_textEx(x, y, s, NULL); }
-int gr_measureEx(const char *s, void* font);
-static inline int gr_measure(const char *s)                { return gr_measureEx(s, NULL); }
-int gr_maxExW(const char *s, void* font, int max_width);
 
 int gr_getMaxFontHeight(void *font);
 
@@ -86,11 +89,6 @@
 void res_free_surface(gr_surface surface);
 int res_scale_surface(gr_surface source, gr_surface* destination, float scale_w, float scale_h);
 
-// Needed for AOSP:
-int ev_wait(int timeout);
-void ev_dispatch(void);
-int ev_get_input(int fd, short revents, struct input_event *ev);
-
 int vibrate(int timeout_ms);
 
 #endif
diff --git a/minuitwrp/resources.c b/minuitwrp/resources.cpp
similarity index 88%
rename from minuitwrp/resources.c
rename to minuitwrp/resources.cpp
index 0e12460..781df2b 100644
--- a/minuitwrp/resources.c
+++ b/minuitwrp/resources.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 
 #include <fcntl.h>
@@ -23,32 +24,25 @@
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/types.h>
-#include <string.h>
 
 #include <linux/fb.h>
 #include <linux/kd.h>
 
-#include <pixelflinger/pixelflinger.h>
-
 #include <png.h>
+
+#include <pixelflinger/pixelflinger.h>
+extern "C" {
 #include "jpeglib.h"
-
-#include "minui.h"
-
-// libpng gives "undefined reference to 'pow'" errors, and I have no
-// idea how to convince the build system to link with -lm.  We don't
-// need this functionality (it's used for gamma adjustment) so provide
-// a dummy implementation to satisfy the linker.
-double pow(double x, double y) {
-    return x;
 }
+#include "minui.h"
 
 #define SURFACE_DATA_ALIGNMENT 8
 
 static GGLSurface* malloc_surface(size_t data_size) {
-    unsigned char* temp = malloc(sizeof(GGLSurface) + data_size + SURFACE_DATA_ALIGNMENT);
+    size_t size = sizeof(GGLSurface) + data_size + SURFACE_DATA_ALIGNMENT;
+    unsigned char* temp = reinterpret_cast<unsigned char*>(malloc(size));
     if (temp == NULL) return NULL;
-    GGLSurface* surface = (GGLSurface*) temp;
+    GGLSurface* surface = reinterpret_cast<GGLSurface*>(temp);
     surface->data = temp + sizeof(GGLSurface) +
         (SURFACE_DATA_ALIGNMENT - (sizeof(GGLSurface) % SURFACE_DATA_ALIGNMENT));
     return surface;
@@ -59,9 +53,10 @@
     char resPath[256];
     unsigned char header[8];
     int result = 0;
+    int color_type, bit_depth;
+    size_t bytesRead;
 
     snprintf(resPath, sizeof(resPath)-1, TWRES "images/%s.png", name);
-    printf("open_png %s\n", resPath);
     resPath[sizeof(resPath)-1] = '\0';
     FILE* fp = fopen(resPath, "rb");
     if (fp == NULL) {
@@ -72,7 +67,7 @@
         }
     }
 
-    size_t bytesRead = fread(header, 1, sizeof(header), fp);
+    bytesRead = fread(header, 1, sizeof(header), fp);
     if (bytesRead != sizeof(header)) {
         result = -2;
         goto exit;
@@ -104,13 +99,12 @@
     png_set_sig_bytes(*png_ptr, sizeof(header));
     png_read_info(*png_ptr, *info_ptr);
 
-    int color_type, bit_depth;
     png_get_IHDR(*png_ptr, *info_ptr, width, height, &bit_depth,
             &color_type, NULL, NULL, NULL);
 
     *channels = png_get_channels(*png_ptr, *info_ptr);
 
-    /*if (bit_depth == 8 && *channels == 3 && color_type == PNG_COLOR_TYPE_RGB) {
+    if (bit_depth == 8 && *channels == 3 && color_type == PNG_COLOR_TYPE_RGB) {
         // 8-bit RGB images: great, nothing to do.
     } else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_GRAY) {
         // 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
@@ -122,14 +116,8 @@
         // general.
         png_set_palette_to_rgb(*png_ptr);
         *channels = 3;
-    } else {
-        fprintf(stderr, "minui doesn't support PNG depth %d channels %d color_type %d\n",
-                bit_depth, *channels, color_type);
-        result = -7;
-        goto exit;
-    }*/
-    if (color_type == PNG_COLOR_TYPE_PALETTE) {
-        png_set_palette_to_rgb(png_ptr);
+    } else if (color_type == PNG_COLOR_TYPE_PALETTE) {
+        png_set_palette_to_rgb(*png_ptr);
     }
 
     *fpp = fp;
@@ -153,12 +141,10 @@
 // framebuffer pixel format; they need to be modified if the
 // framebuffer format changes (but nothing else should).
 
-// Allocate and return a gr_surface sufficient for storing an image of
+// Allocate and return a GRSurface* sufficient for storing an image of
 // the indicated size in the framebuffer pixel format.
 static GGLSurface* init_display_surface(png_uint_32 width, png_uint_32 height) {
-    GGLSurface* surface;
-
-    surface = (GGLSurface*) malloc_surface(width * height * 4);
+    GGLSurface* surface = malloc_surface(width * height * 4);
     if (surface == NULL) return NULL;
 
     surface->version = sizeof(GGLSurface);
@@ -222,6 +208,8 @@
     png_uint_32 width, height;
     png_byte channels;
     FILE* fp;
+    unsigned char* p_row;
+    unsigned int y;
 
     *pSurface = NULL;
 
@@ -234,8 +222,15 @@
         goto exit;
     }
 
-    unsigned char* p_row = malloc(width * 4);
-    unsigned int y;
+#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
+    png_set_bgr(png_ptr);
+#endif
+
+    p_row = reinterpret_cast<unsigned char*>(malloc(width * 4));
+    if (p_row == NULL) {
+        result = -9;
+        goto exit;
+    }
     for (y = 0; y < height; ++y) {
         png_read_row(png_ptr, p_row, NULL);
         transform_rgb_to_draw(p_row, surface->data + y * width * 4, channels, width);
@@ -258,9 +253,11 @@
 
 int res_create_surface_jpg(const char* name, gr_surface* pSurface) {
     GGLSurface* surface = NULL;
-    int result = 0;
+    int result = 0, y;
     struct jpeg_decompress_struct cinfo;
     struct jpeg_error_mgr jerr;
+    unsigned char* pData;
+    size_t width, height, stride, pixelSize;
 
     FILE* fp = fopen(name, "rb");
     if (fp == NULL) {
@@ -288,18 +285,19 @@
     /* Start decompressor */
     (void) jpeg_start_decompress(&cinfo);
 
-    size_t width = cinfo.image_width;
-    size_t height = cinfo.image_height;
-    size_t stride = 4 * width;
-    size_t pixelSize = stride * height;
+    width = cinfo.image_width;
+    height = cinfo.image_height;
+    stride = 4 * width;
+    pixelSize = stride * height;
 
-    surface = malloc(sizeof(GGLSurface) + pixelSize);
+    surface = reinterpret_cast<GGLSurface*>(malloc(sizeof(GGLSurface) + pixelSize));
+    //p_row = reinterpret_cast<unsigned char*>(malloc(width * 4));
     if (surface == NULL) {
         result = -8;
         goto exit;
     }
 
-    unsigned char* pData = (unsigned char*) (surface + 1);
+    pData = (unsigned char*) (surface + 1);
     surface->version = sizeof(GGLSurface);
     surface->width = width;
     surface->height = height;
@@ -307,7 +305,6 @@
     surface->data = pData;
     surface->format = GGL_PIXEL_FORMAT_RGBX_8888;
 
-    int y;
     for (y = 0; y < (int) height; ++y) {
         unsigned char* pRow = pData + y * stride;
         jpeg_read_scanlines(&cinfo, &pRow, 1);
@@ -320,10 +317,17 @@
             unsigned char g = pRow[sx + 1];
             unsigned char b = pRow[sx + 2];
             unsigned char a = 0xff;
+#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
+            pRow[dx    ] = b; // r
+            pRow[dx + 1] = g; // g
+            pRow[dx + 2] = r; // b
+            pRow[dx + 3] = a;
+#else
             pRow[dx    ] = r; // r
             pRow[dx + 1] = g; // g
             pRow[dx + 2] = b; // b
             pRow[dx + 3] = a;
+#endif
         }
     }
     *pSurface = (gr_surface) surface;
diff --git a/minuitwrp/truetype.c b/minuitwrp/truetype.cpp
similarity index 88%
rename from minuitwrp/truetype.c
rename to minuitwrp/truetype.cpp
index d9ed019..18635a8 100644
--- a/minuitwrp/truetype.c
+++ b/minuitwrp/truetype.cpp
@@ -88,8 +88,8 @@
 
 static uint32_t fnv_hash(void *data, uint32_t len)
 {
-    uint8_t *d8 = data;
-    uint32_t *d32 = data;
+    uint8_t *d8 = (uint8_t *)data;
+    uint32_t *d32 = (uint32_t *)data;
     uint32_t i, max;
     uint32_t hash = offset_basis;
 
@@ -118,12 +118,12 @@
     return cur_hash;
 }
 
-int utf8_to_unicode(unsigned char* pIn, unsigned int *pOut)
+int utf8_to_unicode(const char* pIn, unsigned int *pOut)
 {
     int utf_bytes = 1;
     unsigned int unicode = 0;
     unsigned char tmp;
-    tmp = *pIn++;
+    tmp = (unsigned char)*pIn++;
     if (tmp < 0x80)
     {
         *pOut = tmp;
@@ -157,27 +157,27 @@
 
 static bool gr_ttf_string_cache_equals(void *keyA, void *keyB)
 {
-    StringCacheKey *a = keyA;
-    StringCacheKey *b = keyB;
+    StringCacheKey *a = (StringCacheKey *)keyA;
+    StringCacheKey *b = (StringCacheKey *)keyB;
     return a->max_width == b->max_width && strcmp(a->text, b->text) == 0;
 }
 
 static int gr_ttf_string_cache_hash(void *key)
 {
-    StringCacheKey *k = key;
+    StringCacheKey *k = (StringCacheKey *)key;
     return fnv_hash(k->text, strlen(k->text));
 }
 
 static bool gr_ttf_font_cache_equals(void *keyA, void *keyB)
 {
-    TrueTypeFontKey *a = keyA;
-    TrueTypeFontKey *b = keyB;
+    TrueTypeFontKey *a = (TrueTypeFontKey *)keyA;
+    TrueTypeFontKey *b = (TrueTypeFontKey *)keyB;
     return (a->size == b->size) && (a->dpi == b->dpi) && !strcmp(a->path, b->path);
 }
 
 static int gr_ttf_font_cache_hash(void *key)
 {
-    TrueTypeFontKey *k = key;
+    TrueTypeFontKey *k = (TrueTypeFontKey *)key;
 
     uint32_t hash = fnv_hash(k->path, strlen(k->path));
     hash = fnv_hash_add(hash, k->size);
@@ -189,6 +189,7 @@
 {
     int error;
     TrueTypeFont *res = NULL;
+    TrueTypeFontKey *key = NULL;
 
     pthread_mutex_lock(&font_data.mutex);
 
@@ -200,7 +201,7 @@
             .path = (char*)filename
         };
 
-        res = hashmapGet(font_data.fonts, &k);
+        res = (TrueTypeFont *)hashmapGet(font_data.fonts, &k);
         if(res)
         {
             ++res->refcount;
@@ -234,7 +235,7 @@
          goto exit;
     }
 
-    res = malloc(sizeof(TrueTypeFont));
+    res = (TrueTypeFont *)malloc(sizeof(TrueTypeFont));
     memset(res, 0, sizeof(TrueTypeFont));
     res->type = FONT_TYPE_TTF;
     res->size = size;
@@ -250,7 +251,7 @@
     if(!font_data.fonts)
         font_data.fonts = hashmapCreate(4, gr_ttf_font_cache_hash, gr_ttf_font_cache_equals);
 
-    TrueTypeFontKey *key = malloc(sizeof(TrueTypeFontKey));
+    key = (TrueTypeFontKey *)malloc(sizeof(TrueTypeFontKey));
     memset(key, 0, sizeof(TrueTypeFontKey));
     key->path = strdup(filename);
     key->size = size;
@@ -270,7 +271,7 @@
     if (!font)
         return NULL;
 
-    TrueTypeFont *f = font;
+    TrueTypeFont *f = (TrueTypeFont *)font;
     float scale_value = (float)(max_width) / (float)(measured_width);
     int new_size = ((int)((float)f->size * scale_value)) - 1;
     if (new_size < 1)
@@ -280,22 +281,22 @@
     return gr_ttf_loadFont(file, new_size, dpi);
 }
 
-static bool gr_ttf_freeFontCache(void *key, void *value, void *context)
+static bool gr_ttf_freeFontCache(void *key, void *value, void *context __unused)
 {
-    TrueTypeCacheEntry *e = value;
+    TrueTypeCacheEntry *e = (TrueTypeCacheEntry *)value;
     FT_Done_Glyph((FT_Glyph)e->glyph);
     free(e);
     free(key);
     return true;
 }
 
-static bool gr_ttf_freeStringCache(void *key, void *value, void *context)
+static bool gr_ttf_freeStringCache(void *key, void *value, void *context __unused)
 {
-    StringCacheKey *k = key;
+    StringCacheKey *k = (StringCacheKey *)key;
     free(k->text);
     free(k);
 
-    StringCacheEntry *e = value;
+    StringCacheEntry *e = (StringCacheEntry *)value;
     free(e->surface.data);
     free(e);
     return true;
@@ -305,7 +306,7 @@
 {
     pthread_mutex_lock(&font_data.mutex);
 
-    TrueTypeFont *d = font;
+    TrueTypeFont *d = (TrueTypeFont *)font;
 
     if(--d->refcount == 0)
     {
@@ -334,12 +335,12 @@
 
 static TrueTypeCacheEntry *gr_ttf_glyph_cache_peek(TrueTypeFont *font, int char_index)
 {
-    return hashmapGet(font->glyph_cache, &char_index);
+    return (TrueTypeCacheEntry *)hashmapGet(font->glyph_cache, &char_index);
 }
 
 static TrueTypeCacheEntry *gr_ttf_glyph_cache_get(TrueTypeFont *font, int char_index)
 {
-    TrueTypeCacheEntry *res = hashmapGet(font->glyph_cache, &char_index);
+    TrueTypeCacheEntry *res = (TrueTypeCacheEntry *)hashmapGet(font->glyph_cache, &char_index);
     if(!res)
     {
         int error = FT_Load_Glyph(font->face, char_index, FT_LOAD_RENDER);
@@ -357,12 +358,12 @@
             return NULL;
         }
 
-        res = malloc(sizeof(TrueTypeCacheEntry));
+        res = (TrueTypeCacheEntry *)malloc(sizeof(TrueTypeCacheEntry));
         memset(res, 0, sizeof(TrueTypeCacheEntry));
         res->glyph = glyph;
         FT_Glyph_Get_CBox((FT_Glyph)glyph, FT_GLYPH_BBOX_PIXELS, &res->bbox);
 
-        int *key = malloc(sizeof(int));
+        int *key = (int *)malloc(sizeof(int));
         *key = char_index;
 
         hashmapPut(font->glyph_cache, key, res);
@@ -373,7 +374,7 @@
 
 static int gr_ttf_copy_glyph_to_surface(GGLSurface *dest, FT_BitmapGlyph glyph, int offX, int offY, int base)
 {
-    int y;
+    unsigned y;
     uint8_t *src_itr = glyph->bitmap.buffer;
     uint8_t *dest_itr = dest->data;
 
@@ -467,7 +468,7 @@
     int *char_idxs;
     int char_idxs_len = 0;
 
-    char_idxs = malloc(strlen(text) * sizeof(int));
+    char_idxs = (int *)malloc(strlen(text) * sizeof(int));
 
     while(*text_itr)
     {
@@ -509,7 +510,7 @@
 
     height = font->max_height;
 
-    data = malloc(total_w*height);
+    data = (uint8_t *)malloc(total_w*height);
     memset(data, 0, total_w*height);
     x = 0;
     prev_idx = 0;
@@ -518,7 +519,7 @@
     surface->width = total_w;
     surface->height = height;
     surface->stride = total_w;
-    surface->data = (void*)data;
+    surface->data = (GGLubyte*)data;
     surface->format = GGL_PIXEL_FORMAT_A_8;
 
     for(i = 0; i < char_idxs_len; ++i)
@@ -552,7 +553,7 @@
         .max_width = max_width
     };
 
-    return hashmapGet(font->string_cache, &k);
+    return (StringCacheEntry *)hashmapGet(font->string_cache, &k);
 }
 
 static StringCacheEntry *gr_ttf_string_cache_get(TrueTypeFont *font, const char *text, int max_width)
@@ -563,10 +564,10 @@
         .max_width = max_width
     };
 
-    res = hashmapGet(font->string_cache, &k);
+    res = (StringCacheEntry *)hashmapGet(font->string_cache, &k);
     if(!res)
     {
-        res = malloc(sizeof(StringCacheEntry));
+        res = (StringCacheEntry *)malloc(sizeof(StringCacheEntry));
         memset(res, 0, sizeof(StringCacheEntry));
         res->rendered_bytes = gr_ttf_render_text(font, &res->surface, text, max_width);
         if(res->rendered_bytes < 0)
@@ -575,7 +576,7 @@
             return NULL;
         }
 
-        StringCacheKey *new_key = malloc(sizeof(StringCacheKey));
+        StringCacheKey *new_key = (StringCacheKey *)malloc(sizeof(StringCacheKey));
         memset(new_key, 0, sizeof(StringCacheKey));
         new_key->max_width = max_width;
         new_key->text = strdup(text);
@@ -633,11 +634,11 @@
 
 int gr_ttf_measureEx(const char *s, void *font)
 {
-    TrueTypeFont *f = font;
+    TrueTypeFont *f = (TrueTypeFont *)font;
     int res = -1;
 
     pthread_mutex_lock(&f->mutex);
-    StringCacheEntry *e = gr_ttf_string_cache_get(font, s, -1);
+    StringCacheEntry *e = gr_ttf_string_cache_get(f, s, -1);
     if(e)
         res = e->surface.width;
     pthread_mutex_unlock(&f->mutex);
@@ -647,7 +648,7 @@
 
 int gr_ttf_maxExW(const char *s, void *font, int max_width)
 {
-    TrueTypeFont *f = font;
+    TrueTypeFont *f = (TrueTypeFont *)font;
     TrueTypeCacheEntry *ent;
     int max_bytes = 0, total_w = 0;
     int utf_bytes, prev_utf_bytes = 0;
@@ -658,7 +659,7 @@
 
     pthread_mutex_lock(&f->mutex);
 
-    e = gr_ttf_string_cache_peek(font, s, max_width);
+    e = gr_ttf_string_cache_peek(f, s, max_width);
     if(e)
     {
         max_bytes = e->rendered_bytes;
@@ -699,8 +700,8 @@
 
 int gr_ttf_textExWH(void *context, int x, int y, const char *s, void *pFont, int max_width, int max_height)
 {
-    GGLContext *gl = context;
-    TrueTypeFont *font = pFont;
+    GGLContext *gl = (GGLContext *)context;
+    TrueTypeFont *font = (TrueTypeFont *)pFont;
 
     // not actualy max width, but max_width + x
     if(max_width != -1)
@@ -749,7 +750,7 @@
 int gr_ttf_getMaxFontHeight(void *font)
 {
     int res;
-    TrueTypeFont *f = font;
+    TrueTypeFont *f = (TrueTypeFont *)font;
 
     pthread_mutex_lock(&f->mutex);
 
@@ -761,19 +762,19 @@
     return res;
 }
 
-static bool gr_ttf_dump_stats_count_string_cache(void *key, void *value, void *context)
+static bool gr_ttf_dump_stats_count_string_cache(void *key __unused, void *value, void *context)
 {
-    int *string_cache_size = context;
-    StringCacheEntry *e = value;
+    int *string_cache_size = (int *)context;
+    StringCacheEntry *e = (StringCacheEntry *)value;
     *string_cache_size += e->surface.height*e->surface.width + sizeof(StringCacheEntry);
     return true;
 }
 
 static bool gr_ttf_dump_stats_font(void *key, void *value, void *context)
 {
-    TrueTypeFontKey *k = key;
-    TrueTypeFont *f = value;
-    int *total_string_cache_size = context;
+    TrueTypeFontKey *k = (TrueTypeFontKey *)key;
+    TrueTypeFont *f = (TrueTypeFont *)value;
+    int *total_string_cache_size = (int *)context;
     int string_cache_size = 0;
 
     pthread_mutex_lock(&f->mutex);