Revert "Revert "Modesetting support for KMSDRM driver""

Revert "Modesetting support for KMSDRM driver"

CMakeLists.txt

@@ -366,6 +366,7 @@ set_option(VIDEO_COCOA         "Use Cocoa video driver" ${APPLE})
 set_option(DIRECTX             "Use DirectX for Windows audio/video" ${WINDOWS})
 set_option(WASAPI              "Use the Windows WASAPI audio driver" ${WINDOWS})
 set_option(RENDER_D3D          "Enable the Direct3D render driver" ${WINDOWS})
+set_option(VIDEO_MALI          "Use Mali EGL video driver" ${UNIX_SYS})
 set_option(VIDEO_VIVANTE       "Use Vivante EGL video driver" ${UNIX_SYS})
 dep_option(VIDEO_VULKAN        "Enable Vulkan support" ON "ANDROID OR APPLE OR LINUX OR WINDOWS" OFF)
 set_option(VIDEO_KMSDRM        "Use KMS DRM video driver" ${UNIX_SYS})
@@ -1046,6 +1047,7 @@ elseif(UNIX AND NOT APPLE AND NOT ANDROID)
     CheckWayland()
     CheckVivante()
     CheckKMSDRM()
+    CheckMali()
   endif()
 
   if(UNIX)

cmake/sdlchecks.cmake

@@ -738,6 +738,29 @@ macro(CheckVivante)
   endif(VIDEO_VIVANTE)
 endmacro(CheckVivante)
 
+# Requires:
+# - n/a
+macro(CheckMali)
+  if(VIDEO_MALI)
+    check_c_source_compiles("
+        #define LINUX
+        #define EGL_API_FB
+        #include <EGL/egl.h>
+        int main(int argc, char** argv) {}" HAVE_VIDEO_MALI_EGL_FB)
+    if(HAVE_VIDEO_MALI_EGL_FB)
+      set(HAVE_VIDEO_MALI TRUE)
+      set(HAVE_SDL_VIDEO TRUE)
+
+      file(GLOB MALI_SOURCES ${SDL2_SOURCE_DIR}/src/video/mali-fbdev/*.c)
+      set(SOURCE_FILES ${SOURCE_FILES} ${MALI_SOURCES})
+      set(SDL_VIDEO_DRIVER_MALI 1)
+      set(SDL_CFLAGS "${SDL_CFLAGS} -DLINUX -DEGL_API_FB")
+      list(APPEND EXTRA_LIBS EGL)
+    endif(HAVE_VIDEO_MALI_EGL_MALI)
+  endif(VIDEO_MALI)
+endmacro(CheckMali)
+
+
 # Requires:
 # - nada
 macro(CheckOpenGLX11)

configure

@@ -868,6 +868,7 @@ enable_video_x11_scrnsaver
 enable_video_x11_xshape
 enable_video_x11_vm
 enable_video_vivante
+enable_video_mali
 enable_video_cocoa
 enable_render_metal
 enable_video_directfb
@@ -1646,6 +1647,7 @@ Optional Features:
                           enable X11 XShape support [[default=yes]]
   --enable-video-x11-vm   use X11 VM extension for fullscreen [[default=yes]]
   --enable-video-vivante  use Vivante EGL video driver [[default=yes]]
+  --enable-video-mali     use Mali EGL video driver [[default=no]]
   --enable-video-cocoa    use Cocoa video driver [[default=yes]]
   --enable-render-metal   enable the Metal render driver [[default=yes]]
   --enable-video-directfb use DirectFB video driver [[default=no]]
@@ -19857,7 +19859,7 @@ $as_echo "$have_video_rpi" >&6; }
 
         if test x$have_video_rpi = xyes; then
             CFLAGS="$CFLAGS $RPI_CFLAGS"
-            SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
+            #SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
             EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $RPI_LIBS"
             SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
@@ -21467,6 +21469,56 @@ $as_echo "#define SDL_VIDEO_DRIVER_VIVANTE_VDK 1" >>confdefs.h
     fi
 }
 
+CheckMaliVideo()
+{
+    # Check whether --enable-video-mali was given.
+if test "${enable_video_mali+set}" = set; then :
+  enableval=$enable_video_mali;
+else
+  enable_video_mali=no
+fi
+
+    if test x$enable_video = xyes -a x$enable_video_mali = xyes; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Mali FB API" >&5
+$as_echo_n "checking for Mali FB API... " >&6; }
+        have_mali_egl=no
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+          #define LINUX
+          #define EGL_API_FB
+          #include <EGL/egl.h>
+
+int
+main ()
+{
+
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+        have_mali_egl=yes
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_mali_egl" >&5
+$as_echo "$have_mali_egl" >&6; }
+
+        if test x$have_mali_egl = xyes; then
+
+$as_echo "#define SDL_VIDEO_DRIVER_MALI 1" >>confdefs.h
+
+            EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
+            SOURCES="$SOURCES $srcdir/src/video/mali-fbdev/*.c"
+            SUMMARY_video="${SUMMARY_video} mali"
+            have_video=yes
+        fi
+    fi
+}
+
 CheckHaikuVideo()
 {
     if test x$enable_video = xyes; then
@@ -24483,6 +24535,7 @@ case "$host" in
         CheckLinuxVersion
         CheckRPATH
         CheckVivanteVideo
+        CheckMaliVideo
 
         # Set up files for the audio library
         if test x$enable_audio = xyes; then

configure.ac

@@ -1588,7 +1588,7 @@ AS_HELP_STRING([--enable-video-rpi], [use Raspberry Pi video driver [[default=ye
         
         if test x$have_video_rpi = xyes; then
             CFLAGS="$CFLAGS $RPI_CFLAGS"
-            SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
+            #SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
             EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $RPI_LIBS"
             SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
@@ -2006,6 +2006,35 @@ AS_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default
     fi
 }
 
+dnl Set up the Mali video driver if enabled
+CheckMaliVideo()
+{
+    AC_ARG_ENABLE(video-mali,
+AC_HELP_STRING([--enable-video-mali], [use Mali EGL video driver [[default=yes]]]),
+                  , enable_video_mali=yes)
+    if test x$enable_video = xyes -a x$enable_video_mali = xyes; then
+        AC_MSG_CHECKING(for Mali FB API)
+        have_mali_egl=no
+        AC_TRY_COMPILE([
+          #define LINUX
+          #define EGL_API_FB
+          #include <EGL/egl.h>
+        ],[
+        ],[
+        have_mali_egl=yes
+        ])
+        AC_MSG_RESULT($have_mali_egl)
+
+        if test x$have_mali_egl = xyes; then
+            AC_DEFINE(SDL_VIDEO_DRIVER_MALI, 1, [ ])
+            EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
+            SOURCES="$SOURCES $srcdir/src/video/mali-fbdev/*.c"
+            SUMMARY_video="${SUMMARY_video} mali"
+            have_video=yes
+        fi
+    fi
+}
+
 dnl Set up the Haiku video driver if enabled
 CheckHaikuVideo()
 {
@@ -3400,6 +3429,7 @@ case "$host" in
         CheckLinuxVersion
         CheckRPATH
         CheckVivanteVideo
+        CheckMaliVideo
 
         # Set up files for the audio library
         if test x$enable_audio = xyes; then

debian/control

@@ -13,8 +13,6 @@ Build-Depends: debhelper (>= 9),
                dpkg-dev (>= 1.16.1~),
                fcitx-libs-dev [linux-any],
                libasound2-dev [linux-any],
-               libgl1-mesa-dev,
-               libpulse-dev,
                libudev-dev [linux-any],
                libdbus-1-dev [linux-any],
                libibus-1.0-dev[linux-any],
@@ -30,16 +28,16 @@ Build-Depends: debhelper (>= 9),
                libxxf86vm-dev
 Homepage: http://www.libsdl.org/
 
-Package: libsdl2
+Package: libsdl2-2.0-0
 Architecture: any
 Multi-Arch: same
 Pre-Depends: ${misc:Pre-Depends}
 Depends: ${misc:Depends},
          ${shlibs:Depends},
-         libudev0 [linux-any],
+         libudev0 | libudev1 [linux-any],
          libdbus-1-3 [linux-any]
-Conflicts: libsdl-1.3-0
-Replaces: libsdl-1.3-0
+Conflicts: libsdl-1.3-0, libsdl2
+Replaces: libsdl-1.3-0, libsdl2
 Description: Simple DirectMedia Layer
  SDL is a library that allows programs portable low level access to
  a video framebuffer, audio output, mouse, and keyboard.
@@ -51,9 +49,10 @@ Section: libdevel
 Architecture: any
 Multi-Arch: same
 Depends: ${misc:Depends},
-         libsdl2 (= ${binary:Version}),
+         libsdl2-2.0-0 (= ${binary:Version}),
          libc6-dev,
-         libgl1-mesa-dev
+         libgl1-mesa-dev,
+         libx11-dev
 Conflicts: libsdl-1.3-dev
 Replaces: libsdl-1.3-dev
 Description: Simple DirectMedia Layer development files
@@ -68,7 +67,7 @@ Section: debug
 Architecture: any
 Multi-Arch: same
 Depends: ${misc:Depends},
-         libsdl2 (= ${binary:Version}),
+         libsdl2-2.0-0 (= ${binary:Version}),
 Description: Simple DirectMedia Layer debug files
  SDL is a library that allows programs portable low level access to a video
  framebuffer, audio output, mouse, and keyboard.

include/SDL_config.h.cmake

@@ -330,6 +330,7 @@
 #cmakedefine SDL_VIDEO_DRIVER_RPI @SDL_VIDEO_DRIVER_RPI@
 #cmakedefine SDL_VIDEO_DRIVER_VIVANTE @SDL_VIDEO_DRIVER_VIVANTE@
 #cmakedefine SDL_VIDEO_DRIVER_VIVANTE_VDK @SDL_VIDEO_DRIVER_VIVANTE_VDK@
+#cmakedefine SDL_VIDEO_DRIVER_MALI @SDL_VIDEO_DRIVER_MALI@
 
 #cmakedefine SDL_VIDEO_DRIVER_KMSDRM @SDL_VIDEO_DRIVER_KMSDRM@
 #cmakedefine SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC @SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC@

include/SDL_config.h.in

@@ -335,6 +335,7 @@
 #undef SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM
 #undef SDL_VIDEO_DRIVER_ANDROID
 #undef SDL_VIDEO_DRIVER_EMSCRIPTEN
+#undef SDL_VIDEO_DRIVER_MALI
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR

include/SDL_hints.h

@@ -922,6 +922,33 @@ extern "C" {
  */
 #define SDL_HINT_NO_SIGNAL_HANDLERS   "SDL_NO_SIGNAL_HANDLERS"
 
+/**
+ *  \brief Tell dispmanx to stretch the SDL window to fill the display.
+ *
+ * This hint only applies to the rpi video driver.
+ *
+ * The variable can be set to the following values:
+ *   "0"       - Window resolution is desktop resolution.
+ *               This is the behaviour of SDL <= 2.0.4. (default)
+ *   "1"       - Requested video resolution will be scaled to desktop resolution.
+ *               Aspect ratio of requested video resolution will be respected.
+ *   "2"       - Requested video resolution will be scaled to desktop resolution.
+ *   "3"       - Requested video resolution will be scaled to desktop resolution.
+ *               Aspect ratio of requested video resolution will be respected.
+ *               If possible output resolution will be integral multiple of video
+ *               resolution.
+ */
+#define SDL_HINT_VIDEO_RPI_SCALE_MODE    "SDL_VIDEO_RPI_SCALE_MODE"
+
+/**
+ *  \brief Tell dispmanx to set a specific aspect ratio.
+ *
+ * This hint only applies to the rpi video driver.
+ *
+ * Must be set together with SDL_HINT_VIDEO_RPI_SCALE_MODE=1.
+ */
+#define SDL_HINT_VIDEO_RPI_RATIO    "SDL_VIDEO_RPI_RATIO"
+
 /**
  *  \brief Tell SDL not to generate window-close events for Alt+F4 on Windows.
  *

src/joystick/SDL_joystick.c

@@ -1047,7 +1047,7 @@ SDL_JoystickUpdate(void)
             if (joystick->delayed_guide_button) {
                 SDL_GameControllerHandleDelayedGuideButton(joystick);
             }
-        }
+
 
         if (joystick->force_recentering) {
             /* Tell the app that everything is centered/unpressed... */
@@ -1067,6 +1067,8 @@ SDL_JoystickUpdate(void)
 
             joystick->force_recentering = SDL_FALSE;
         }
+
+	}
     }
 
     SDL_LockJoysticks();

src/joystick/linux/SDL_sysjoystick.c

@@ -609,7 +609,7 @@ ConfigJoystick(SDL_Joystick * joystick, int fd)
                 ++joystick->nbuttons;
             }
         }
-        for (i = 0; i < ABS_MAX; ++i) {
+        for (i = 0; i < ABS_MISC; ++i) {
             /* Skip hats */
             if (i == ABS_HAT0X) {
                 i = ABS_HAT3Y;
@@ -906,6 +906,10 @@ HandleInputEvents(SDL_Joystick * joystick)
                                           events[i].value);
                 break;
             case EV_ABS:
+                if (code >= ABS_MISC) {
+                    break;
+                }
+
                 switch (code) {
                 case ABS_HAT0X:
                 case ABS_HAT0Y:

src/video/SDL_egl.c

@@ -45,6 +45,8 @@
 
 #if SDL_VIDEO_DRIVER_RPI
 /* Raspbian places the OpenGL ES/EGL binaries in a non standard path */
+#include <unistd.h>
+#define DEFAULT_OGL ( vc4 ? "libGL.so.1" : "" )
 #define DEFAULT_EGL ( vc4 ? "libEGL.so.1" : "libbrcmEGL.so" )
 #define DEFAULT_OGL_ES2 ( vc4 ? "libGLESv2.so.2" : "libbrcmGLESv2.so" )
 #define ALT_EGL "libEGL.so"
@@ -52,7 +54,7 @@
 #define DEFAULT_OGL_ES_PVR ( vc4 ? "libGLES_CM.so.1" : "libbrcmGLESv2.so" )
 #define DEFAULT_OGL_ES ( vc4 ? "libGLESv1_CM.so.1" : "libbrcmGLESv2.so" )
 
-#elif SDL_VIDEO_DRIVER_ANDROID || SDL_VIDEO_DRIVER_VIVANTE
+#elif SDL_VIDEO_DRIVER_ANDROID || SDL_VIDEO_DRIVER_MALI || SDL_VIDEO_DRIVER_VIVANTE
 /* Android */
 #define DEFAULT_EGL "libEGL.so"
 #define DEFAULT_OGL_ES2 "libGLESv2.so"
@@ -536,6 +538,7 @@ SDL_EGL_ChooseConfig(_THIS)
     EGLint found_configs = 0, value;
     /* 128 seems even nicer here */
     EGLConfig configs[128];
+    SDL_bool has_matching_format = SDL_FALSE;
     int i, j, best_bitdiff = -1, bitdiff;
    
     if (!_this->egl_data) {
@@ -614,11 +617,24 @@ SDL_EGL_ChooseConfig(_THIS)
         return SDL_EGL_SetError("Couldn't find matching EGL config", "eglChooseConfig");
     }
 
+    /* first ensure that a found config has a matching format, or the function will fall through. */
+    for (i = 0; i < found_configs; i++ ) {
+        if (_this->egl_data->egl_required_visual_id)
+        {
+            EGLint format;
+            _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display,
+                                            configs[i],
+                                            EGL_NATIVE_VISUAL_ID, &format);
+            if (_this->egl_data->egl_required_visual_id == format)
+                has_matching_format = SDL_TRUE;
+        }
+    }
+
     /* eglChooseConfig returns a number of configurations that match or exceed the requested attribs. */
     /* From those, we select the one that matches our requirements more closely via a makeshift algorithm */
 
     for (i = 0; i < found_configs; i++ ) {
-        if (_this->egl_data->egl_required_visual_id)
+        if (has_matching_format && _this->egl_data->egl_required_visual_id)
         {
             EGLint format;
             _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display,

src/video/SDL_surface.c

@@ -959,6 +959,8 @@ SDL_ConvertSurface(SDL_Surface * surface, const SDL_PixelFormat * format,
     SDL_Color copy_color;
     SDL_Rect bounds;
     int ret;
+    int palette_ck_transform = 0;
+    int palette_ck_value = 0;
 
     if (!surface) {
         SDL_InvalidParamError("surface");
@@ -1019,8 +1021,23 @@ SDL_ConvertSurface(SDL_Surface * surface, const SDL_PixelFormat * format,
     bounds.y = 0;
     bounds.w = surface->w;
     bounds.h = surface->h;
+
+    /* Transform colorkey to alpha. for cases where source palette has duplicate values, and colorkey is one of them */
+    if (copy_flags & SDL_COPY_COLORKEY) {
+        if (surface->format->palette && !format->palette) {
+            palette_ck_transform = 1;
+            palette_ck_value = surface->format->palette->colors[surface->map->info.colorkey].a;
+            surface->format->palette->colors[surface->map->info.colorkey].a = SDL_ALPHA_TRANSPARENT;
+        }
+    }
+
     ret = SDL_LowerBlit(surface, &bounds, convert, &bounds);
 
+    /* Restore value */
+    if (palette_ck_transform) {
+        surface->format->palette->colors[surface->map->info.colorkey].a = palette_ck_value;
+    }
+
     /* Clean up the original surface, and update converted surface */
     convert->map->info.r = copy_color.r;
     convert->map->info.g = copy_color.g;
@@ -1055,7 +1072,9 @@ SDL_ConvertSurface(SDL_Surface * surface, const SDL_PixelFormat * format,
                   surface->format->palette->ncolors * sizeof(SDL_Color)) == 0)) {
                 /* The palette is identical, just set the same colorkey */
                 SDL_SetColorKey(convert, 1, surface->map->info.colorkey);
-            } else if (format->Amask) {
+            } else if (!format->palette) {
+                /* Was done by 'palette_ck_transform' */
+            }else if (format->Amask) {
                 set_colorkey_by_color = SDL_TRUE;
                 ignore_alpha = SDL_FALSE;
             } else {

src/video/SDL_sysvideo.h

@@ -415,6 +415,7 @@ extern VideoBootStrap Android_bootstrap;
 extern VideoBootStrap PSP_bootstrap;
 extern VideoBootStrap RPI_bootstrap;
 extern VideoBootStrap KMSDRM_bootstrap;
+extern VideoBootStrap MALI_bootstrap;
 extern VideoBootStrap DUMMY_bootstrap;
 extern VideoBootStrap Wayland_bootstrap;
 extern VideoBootStrap NACL_bootstrap;

src/video/SDL_video.c

@@ -94,6 +94,9 @@ static VideoBootStrap *bootstrap[] = {
 #if SDL_VIDEO_DRIVER_PSP
     &PSP_bootstrap,
 #endif
+#if SDL_VIDEO_DRIVER_MALI
+    &MALI_bootstrap,
+#endif 
 #if SDL_VIDEO_DRIVER_KMSDRM
     &KMSDRM_bootstrap,
 #endif

src/video/kmsdrm/SDL_kmsdrmopengles.c

@@ -140,32 +140,24 @@ KMSDRM_GLES_SwapWindow(_THIS, SDL_Window * window) {
     if (fb_info == NULL) {
         return 0;
     }
-    if (_this->egl_data->egl_swapinterval == 0) {
-        /* Swap buffers instantly, possible tearing */
-        /* SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "drmModeSetCrtc(%d, %u, %u, 0, 0, &%u, 1, &%ux%u@%u)",
-            vdata->drm_fd, displaydata->crtc_id, fb_info->fb_id, vdata->saved_conn_id,
-            displaydata->cur_mode.hdisplay, displaydata->cur_mode.vdisplay, displaydata->cur_mode.vrefresh); */
-        ret = KMSDRM_drmModeSetCrtc(vdata->drm_fd, displaydata->crtc_id, fb_info->fb_id,
-                                    0, 0, &vdata->saved_conn_id, 1, &displaydata->cur_mode);
-        if(ret != 0) {
-            SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "Could not pageflip with drmModeSetCrtc: %d", ret);
+
+    /* Have we already setup the CRTC to one of the GBM buffers? Do so if we have not,
+       or FlipPage won't work in some cases. */
+    if (!wdata->crtc_ready) {
+        if(!KMSDRM_GLES_SetupCrtc(_this, window)) {
+            SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "Could not set up CRTC for doing pageflips");
+            return 0;
         }
-    } else {
+    }
+
+    /* SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "drmModePageFlip(%d, %u, %u, DRM_MODE_PAGE_FLIP_EVENT, &wdata->waiting_for_flip)",
+        vdata->drm_fd, displaydata->crtc_id, fb_info->fb_id); */
+    ret = KMSDRM_drmModePageFlip(vdata->drm_fd, displaydata->crtc_id, fb_info->fb_id,
+                                 DRM_MODE_PAGE_FLIP_EVENT, &wdata->waiting_for_flip);
+
+    if (_this->egl_data->egl_swapinterval == 1) {
         /* Queue page flip at vsync */
 
-        /* Have we already setup the CRTC to one of the GBM buffers? Do so if we have not,
-           or FlipPage won't work in some cases. */
-        if (!wdata->crtc_ready) {
-            if(!KMSDRM_GLES_SetupCrtc(_this, window)) {
-                SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "Could not set up CRTC for doing vsync-ed pageflips");
-                return 0;
-            }
-        }
-
-        /* SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "drmModePageFlip(%d, %u, %u, DRM_MODE_PAGE_FLIP_EVENT, &wdata->waiting_for_flip)",
-            vdata->drm_fd, displaydata->crtc_id, fb_info->fb_id); */
-        ret = KMSDRM_drmModePageFlip(vdata->drm_fd, displaydata->crtc_id, fb_info->fb_id,
-                                     DRM_MODE_PAGE_FLIP_EVENT, &wdata->waiting_for_flip);
         if (ret == 0) {
             wdata->waiting_for_flip = SDL_TRUE;
         } else {

src/video/kmsdrm/SDL_kmsdrmsym.h

@@ -61,7 +61,7 @@ SDL_KMSDRM_SYM(drmModeConnectorPtr,drmModeGetConnector,(int fd, uint32_t connect
 SDL_KMSDRM_SYM(int,drmHandleEvent,(int fd,drmEventContextPtr evctx))
 SDL_KMSDRM_SYM(int,drmModePageFlip,(int fd, uint32_t crtc_id, uint32_t fb_id,
                                     uint32_t flags, void *user_data))
-
+SDL_KMSDRM_SYM(int,drmSetClientCap,(int fd, uint64_t capability, uint64_t value))
 
 SDL_KMSDRM_MODULE(GBM)
 SDL_KMSDRM_SYM(int,gbm_device_get_fd,(struct gbm_device *gbm))

src/video/kmsdrm/SDL_kmsdrmvideo.c

@@ -87,6 +87,12 @@ static int get_dricount(void)
 
     if (!(stat(KMSDRM_DRI_PATH, &sb) == 0
                 && S_ISDIR(sb.st_mode))) {
+#if SDL_VIDEO_DRIVER_RPI
+        // exit silently if VC4 driver is not active
+        SDL_bool vc4 = (0 == access("/sys/module/vc4/", F_OK));
+        if (!vc4)
+            return 0;
+#endif
         printf("The path %s cannot be opened or is not available\n",
                KMSDRM_DRI_PATH);
         return 0;
@@ -139,6 +145,28 @@ KMSDRM_Available(void)
     return ret;
 }
 
+static drmModeModeInfo *
+connector_find_mode(drmModeConnector *connector, const char *mode_str, const unsigned int vrefresh)
+{
+    short i;
+    drmModeModeInfo *mode;
+    for (i = 0; i < connector->count_modes; i++) {
+        mode = &connector->modes[i];
+        if (!strcmp(mode->name, mode_str)) {
+            /* If the vertical refresh frequency is not specified then return the
+             * first mode that match with the name. Else, return the mode that match
+             * the name and the specified vertical refresh frequency.
+             */
+            if (vrefresh == 0)
+                return mode;
+            else if (mode->vrefresh == vrefresh)
+                return mode;
+        }
+    }
+
+    return NULL;
+}
+
 static void
 KMSDRM_Destroy(SDL_VideoDevice * device)
 {
@@ -344,12 +372,19 @@ KMSDRM_VideoInit(_THIS)
     SDL_bool found;
     int ret = 0;
     char *devname;
+    const char *crtc_override;
+    const char *mode_override;
     SDL_VideoData *vdata = ((SDL_VideoData *)_this->driverdata);
     drmModeRes *resources = NULL;
     drmModeConnector *connector = NULL;
     drmModeEncoder *encoder = NULL;
     SDL_DisplayMode current_mode;
     SDL_VideoDisplay display;
+    const char *mode_line_override;
+    char *hint_video_mode = NULL;
+    unsigned short hint_vrefresh=0;
+    char* p;
+    drmModeModeInfo *override_mode = NULL;
 
     /* Allocate display internal data */
     SDL_DisplayData *data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
@@ -382,6 +417,9 @@ KMSDRM_VideoInit(_THIS)
         goto cleanup;
     }
 
+    /* Expose aspect ratio flags to userspace */
+    KMSDRM_drmSetClientCap(vdata->drm_fd, DRM_CLIENT_CAP_ASPECT_RATIO, 1);
+
     /* Find the first available connector with modes */
     resources = KMSDRM_drmModeGetResources(vdata->drm_fd);
     if (!resources) {
@@ -466,9 +504,48 @@ KMSDRM_VideoInit(_THIS)
     SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Saved crtc_id %u, fb_id %u, (%u,%u), %ux%u",
                  vdata->saved_crtc->crtc_id, vdata->saved_crtc->buffer_id, vdata->saved_crtc->x,
                  vdata->saved_crtc->y, vdata->saved_crtc->width, vdata->saved_crtc->height);
-    data->crtc_id = encoder->crtc_id;
-    data->cur_mode = vdata->saved_crtc->mode;
-    vdata->crtc_id = encoder->crtc_id;
+
+    crtc_override = SDL_getenv("SDL_VIDEO_KMSDRM_CRTCID");
+    if (crtc_override)
+        data->crtc_id = vdata->crtc_id = SDL_atoi(crtc_override);
+    else
+        data->crtc_id = vdata->crtc_id = encoder->crtc_id;
+
+    mode_override = SDL_getenv("SDL_VIDEO_KMSDRM_MODEID");
+    if (mode_override)
+        data->cur_mode = connector->modes[SDL_atoi(mode_override)];
+    else
+        data->cur_mode = vdata->saved_crtc->mode;
+
+    mode_line_override = SDL_getenv("SDL_VIDEO_KMSDRM_MODELINE");
+    if (mode_line_override && !mode_override) {
+        /* Video mode override, formatted as WxH[@vRefresh] */
+        SDL_LogInfo(SDL_LOG_CATEGORY_VIDEO,"Override video mode received - %s", mode_line_override);
+
+       p = strchr(mode_line_override, '@');
+       if (p == NULL) {
+           hint_video_mode =strdup(mode_line_override);
+       } else {
+           hint_video_mode = strndup(mode_line_override, (unsigned int)(p - mode_line_override));
+           hint_vrefresh = strtoul(p + 1, NULL, 10);
+       }
+
+       override_mode = connector_find_mode(connector, hint_video_mode, hint_vrefresh);
+       if (override_mode) {
+            if ((*override_mode).hdisplay != data->cur_mode.hdisplay ||
+                (*override_mode).vdisplay != data->cur_mode.vdisplay ||
+                (*override_mode).vrefresh != data->cur_mode.vrefresh) {
+                    SDL_LogInfo(SDL_LOG_CATEGORY_VIDEO, "Changing video mode to %dx%d @ %d",(*override_mode).hdisplay, (*override_mode).vdisplay, (*override_mode).vrefresh);
+                    current_mode.w = (*override_mode).hdisplay;
+                    current_mode.h = (*override_mode).vdisplay;
+                    current_mode.refresh_rate = (*override_mode).vrefresh;
+                    data->cur_mode = (*override_mode);
+            }
+        } else {
+            SDL_LogWarn(SDL_LOG_CATEGORY_VIDEO, "Cannot find a suitable video mode on connector %d for mode %s, using default",
+                connector->connector_id, mode_line_override);
+        }
+    }
 
     // select default mode if this one is not valid
     if (vdata->saved_crtc->mode_valid == 0) {

src/video/mali-fbdev/SDL_maliopengles.c

@@ -0,0 +1,43 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if SDL_VIDEO_DRIVER_MALI && SDL_VIDEO_OPENGL_EGL
+
+#include "SDL_maliopengles.h"
+#include "SDL_malivideo.h"
+
+/* EGL implementation of SDL OpenGL support */
+
+int
+MALI_GLES_LoadLibrary(_THIS, const char *path)
+{
+    return SDL_EGL_LoadLibrary(_this, path, EGL_DEFAULT_DISPLAY, 0);
+}
+
+SDL_EGL_CreateContext_impl(MALI)
+SDL_EGL_SwapWindow_impl(MALI)
+SDL_EGL_MakeCurrent_impl(MALI)
+
+#endif /* SDL_VIDEO_DRIVER_MALI && SDL_VIDEO_OPENGL_EGL */
+
+/* vi: set ts=4 sw=4 expandtab: */
+

src/video/mali-fbdev/SDL_maliopengles.h

@@ -0,0 +1,48 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifndef _SDL_maliopengles_h
+#define _SDL_maliopengles_h
+
+#if SDL_VIDEO_DRIVER_MALI && SDL_VIDEO_OPENGL_EGL
+
+#include "../SDL_sysvideo.h"
+#include "../SDL_egl_c.h"
+
+/* OpenGLES functions */
+#define MALI_GLES_GetAttribute SDL_EGL_GetAttribute
+#define MALI_GLES_GetProcAddress SDL_EGL_GetProcAddress
+#define MALI_GLES_UnloadLibrary SDL_EGL_UnloadLibrary
+#define MALI_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
+#define MALI_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
+#define MALI_GLES_DeleteContext SDL_EGL_DeleteContext
+
+extern int MALI_GLES_LoadLibrary(_THIS, const char *path);
+extern SDL_GLContext MALI_GLES_CreateContext(_THIS, SDL_Window * window);
+extern int MALI_GLES_SwapWindow(_THIS, SDL_Window * window);
+extern int MALI_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context);
+
+#endif /* SDL_VIDEO_DRIVER_MALI && SDL_VIDEO_OPENGL_EGL */
+
+#endif /* _SDL_maliopengles_h */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/mali-fbdev/SDL_malivideo.c

@@ -0,0 +1,323 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if SDL_VIDEO_DRIVER_MALI
+
+/* SDL internals */
+#include "../SDL_sysvideo.h"
+#include "SDL_version.h"
+#include "SDL_syswm.h"
+#include "SDL_loadso.h"
+#include "SDL_events.h"
+#include "../../events/SDL_events_c.h"
+
+#ifdef SDL_INPUT_LINUXEV
+#include "../../core/linux/SDL_evdev.h"
+#endif
+
+#include "SDL_malivideo.h"
+#include "SDL_maliopengles.h"
+
+
+static int
+MALI_Available(void)
+{
+    return 1;
+}
+
+static void
+MALI_Destroy(SDL_VideoDevice * device)
+{
+    if (device->driverdata != NULL) {
+        SDL_free(device->driverdata);
+        device->driverdata = NULL;
+    }
+}
+
+static SDL_VideoDevice *
+MALI_Create()
+{
+    SDL_VideoDevice *device;
+
+    /* Initialize SDL_VideoDevice structure */
+    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (device == NULL) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    device->driverdata = NULL;
+
+    /* Setup amount of available displays and current display */
+    device->num_displays = 0;
+
+    /* Set device free function */
+    device->free = MALI_Destroy;
+
+    /* Setup all functions which we can handle */
+    device->VideoInit = MALI_VideoInit;
+    device->VideoQuit = MALI_VideoQuit;
+    device->GetDisplayModes = MALI_GetDisplayModes;
+    device->SetDisplayMode = MALI_SetDisplayMode;
+    device->CreateSDLWindow = MALI_CreateWindow;
+    device->SetWindowTitle = MALI_SetWindowTitle;
+    device->SetWindowPosition = MALI_SetWindowPosition;
+    device->SetWindowSize = MALI_SetWindowSize;
+    device->ShowWindow = MALI_ShowWindow;
+    device->HideWindow = MALI_HideWindow;
+    device->DestroyWindow = MALI_DestroyWindow;
+    device->GetWindowWMInfo = MALI_GetWindowWMInfo;
+
+    device->GL_LoadLibrary = MALI_GLES_LoadLibrary;
+    device->GL_GetProcAddress = MALI_GLES_GetProcAddress;
+    device->GL_UnloadLibrary = MALI_GLES_UnloadLibrary;
+    device->GL_CreateContext = MALI_GLES_CreateContext;
+    device->GL_MakeCurrent = MALI_GLES_MakeCurrent;
+    device->GL_SetSwapInterval = MALI_GLES_SetSwapInterval;
+    device->GL_GetSwapInterval = MALI_GLES_GetSwapInterval;
+    device->GL_SwapWindow = MALI_GLES_SwapWindow;
+    device->GL_DeleteContext = MALI_GLES_DeleteContext;
+
+    device->PumpEvents = MALI_PumpEvents;
+
+    return device;
+}
+
+VideoBootStrap MALI_bootstrap = {
+    "mali",
+    "Mali EGL Video Driver",
+    MALI_Available,
+    MALI_Create
+};
+
+/*****************************************************************************/
+/* SDL Video and Display initialization/handling functions                   */
+/*****************************************************************************/
+
+int
+MALI_VideoInit(_THIS)
+{
+    SDL_VideoDisplay display;
+    SDL_DisplayMode current_mode;
+    SDL_DisplayData *data;
+    struct fb_var_screeninfo vinfo;
+    int fd;
+
+    data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
+    if (data == NULL) {
+        return SDL_OutOfMemory();
+    }
+
+    fd = open("/dev/fb0", O_RDWR, 0);
+    if (fd < 0) {
+        return SDL_SetError("mali-fbdev: Could not open framebuffer device");
+    }
+
+    if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) {
+        MALI_VideoQuit(_this);
+        return SDL_SetError("mali-fbdev: Could not get framebuffer information");
+    }
+    /* Enable triple buffering */
+    /*
+    vinfo.yres_virtual = vinfo.yres * 3;
+    if (ioctl(fd, FBIOPUT_VSCREENINFO, vinfo) == -1) {
+	printf("mali-fbdev: Error setting VSCREENINFO\n");
+    }
+    */
+    close(fd);
+    system("setterm -cursor off");
+
+    data->native_display.width = vinfo.xres;
+    data->native_display.height = vinfo.yres;
+
+    SDL_zero(current_mode);
+    current_mode.w = vinfo.xres;
+    current_mode.h = vinfo.yres;
+    /* FIXME: Is there a way to tell the actual refresh rate? */
+    current_mode.refresh_rate = 60;
+    /* 32 bpp for default */
+    //current_mode.format = SDL_PIXELFORMAT_ABGR8888;
+    current_mode.format = SDL_PIXELFORMAT_RGBX8888;
+
+    current_mode.driverdata = NULL;
+
+    SDL_zero(display);
+    display.desktop_mode = current_mode;
+    display.current_mode = current_mode;
+    display.driverdata = data;
+
+    SDL_AddVideoDisplay(&display);
+
+#ifdef SDL_INPUT_LINUXEV
+    if (SDL_EVDEV_Init() < 0) {
+        return -1;
+    }
+#endif
+
+    return 0;
+}
+
+void
+MALI_VideoQuit(_THIS)
+{
+    /* Clear the framebuffer and ser cursor on again */
+    int fd = open("/dev/tty", O_RDWR);
+    ioctl(fd, VT_ACTIVATE, 5);
+    ioctl(fd, VT_ACTIVATE, 1);
+    close(fd);
+    system("setterm -cursor on");
+
+#ifdef SDL_INPUT_LINUXEV
+    SDL_EVDEV_Quit();
+#endif
+
+}
+
+void
+MALI_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
+{
+    /* Only one display mode available, the current one */
+    SDL_AddDisplayMode(display, &display->current_mode);
+}
+
+int
+MALI_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
+{
+    return 0;
+}
+
+int
+MALI_CreateWindow(_THIS, SDL_Window * window)
+{
+    SDL_WindowData *windowdata;
+    SDL_DisplayData *displaydata;
+
+    displaydata = SDL_GetDisplayDriverData(0);
+
+    /* Allocate window internal data */
+    windowdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
+    if (windowdata == NULL) {
+        return SDL_OutOfMemory();
+    }
+
+    /* Windows have one size for now */
+    window->w = displaydata->native_display.width;
+    window->h = displaydata->native_display.height;
+
+    /* OpenGL ES is the law here */
+    window->flags |= SDL_WINDOW_OPENGL;
+
+    if (!_this->egl_data) {
+        if (SDL_GL_LoadLibrary(NULL) < 0) {
+            return -1;
+        }
+    }
+    windowdata->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) &displaydata->native_display);
+
+    if (windowdata->egl_surface == EGL_NO_SURFACE) {
+        MALI_VideoQuit(_this);
+        return SDL_SetError("mali-fbdev: Can't create EGL window surface");
+    }
+
+    /* Setup driver data for this window */
+    window->driverdata = windowdata;
+
+    /* One window, it always has focus */
+    SDL_SetMouseFocus(window);
+    SDL_SetKeyboardFocus(window);
+
+    /* Window has been successfully created */
+    return 0;
+}
+
+void
+MALI_DestroyWindow(_THIS, SDL_Window * window)
+{
+    SDL_WindowData *data;
+
+    data = window->driverdata;
+    if (data) {
+        if (data->egl_surface != EGL_NO_SURFACE) {
+            SDL_EGL_DestroySurface(_this, data->egl_surface);
+            data->egl_surface = EGL_NO_SURFACE;
+        }
+        SDL_free(data);
+    }
+    window->driverdata = NULL;
+}
+
+void
+MALI_SetWindowTitle(_THIS, SDL_Window * window)
+{
+}
+
+void
+MALI_SetWindowPosition(_THIS, SDL_Window * window)
+{
+}
+
+void
+MALI_SetWindowSize(_THIS, SDL_Window * window)
+{
+}
+
+void
+MALI_ShowWindow(_THIS, SDL_Window * window)
+{
+}
+
+void
+MALI_HideWindow(_THIS, SDL_Window * window)
+{
+}
+
+/*****************************************************************************/
+/* SDL Window Manager function                                               */
+/*****************************************************************************/
+SDL_bool
+MALI_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
+{
+    if (info->version.major <= SDL_MAJOR_VERSION) {
+        return SDL_TRUE;
+    } else {
+        SDL_SetError("application not compiled with SDL %d.%d\n",
+            SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
+    }
+
+    /* Failed to get window manager information */
+    return SDL_FALSE;
+}
+
+/*****************************************************************************/
+/* SDL event functions                                                       */
+/*****************************************************************************/
+void MALI_PumpEvents(_THIS)
+{
+#ifdef SDL_INPUT_LINUXEV
+    SDL_EVDEV_Poll();
+#endif
+}
+
+#endif /* SDL_VIDEO_DRIVER_MALI */
+
+/* vi: set ts=4 sw=4 expandtab: */
+

src/video/mali-fbdev/SDL_malivideo.h

@@ -0,0 +1,80 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef _SDL_malivideo_h
+#define _SDL_malivideo_h
+
+#include "../../SDL_internal.h"
+#include "../SDL_sysvideo.h"
+
+#include "SDL_egl.h"
+
+#include <EGL/egl.h>
+#include <linux/vt.h>
+#include <linux/fb.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stropts.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+typedef struct SDL_DisplayData
+{
+    struct {
+        unsigned short width;
+        unsigned short height;
+    } native_display;
+} SDL_DisplayData;
+
+typedef struct SDL_WindowData
+{
+    EGLSurface egl_surface;
+} SDL_WindowData;
+
+/****************************************************************************/
+/* SDL_VideoDevice functions declaration                                    */
+/****************************************************************************/
+
+/* Display and window functions */
+int MALI_VideoInit(_THIS);
+void MALI_VideoQuit(_THIS);
+void MALI_GetDisplayModes(_THIS, SDL_VideoDisplay * display);
+int MALI_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
+int MALI_CreateWindow(_THIS, SDL_Window * window);
+void MALI_SetWindowTitle(_THIS, SDL_Window * window);
+void MALI_SetWindowPosition(_THIS, SDL_Window * window);
+void MALI_SetWindowSize(_THIS, SDL_Window * window);
+void MALI_ShowWindow(_THIS, SDL_Window * window);
+void MALI_HideWindow(_THIS, SDL_Window * window);
+void MALI_DestroyWindow(_THIS, SDL_Window * window);
+
+/* Window manager function */
+SDL_bool MALI_GetWindowWMInfo(_THIS, SDL_Window * window,
+                             struct SDL_SysWMinfo *info);
+
+/* Event functions */
+void MALI_PumpEvents(_THIS);
+
+#endif /* _SDL_malivideo_h */
+
+/* vi: set ts=4 sw=4 expandtab: */
+

src/video/raspberry/SDL_rpimouse.c

@@ -226,6 +226,9 @@ RPI_FreeCursor(SDL_Cursor * cursor)
             SDL_free(cursor->driverdata);
         }
         SDL_free(cursor);
+        if (cursor == global_cursor) {
+            global_cursor = NULL;
+        }
     }
 }
 

src/video/raspberry/SDL_rpivideo.c

@@ -31,6 +31,7 @@
  */
 
 /* SDL internals */
+#include "SDL_hints.h"
 #include "../SDL_sysvideo.h"
 #include "SDL_version.h"
 #include "SDL_syswm.h"
@@ -260,6 +261,9 @@ RPI_vsync_callback(DISPMANX_UPDATE_HANDLE_T u, void *data)
 int
 RPI_CreateWindow(_THIS, SDL_Window * window)
 {
+    const char *hintScale = SDL_GetHint(SDL_HINT_VIDEO_RPI_SCALE_MODE);
+    const char *hintRatio = SDL_GetHint(SDL_HINT_VIDEO_RPI_RATIO);
+    char scalemode = '0';
     SDL_WindowData *wdata;
     SDL_VideoDisplay *display;
     SDL_DisplayData *displaydata;
@@ -269,6 +273,10 @@ RPI_CreateWindow(_THIS, SDL_Window * window)
     DISPMANX_UPDATE_HANDLE_T dispman_update;
     uint32_t layer = SDL_RPI_VIDEOLAYER;
     const char *env;
+    float srcAspect = 1;
+    float dstAspect = 1;
+    int factor_x = 0;
+    int factor_y = 0;
 
     /* Disable alpha, otherwise the app looks composed with whatever dispman is showing (X11, console,etc) */
     dispman_alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS; 
@@ -283,24 +291,85 @@ RPI_CreateWindow(_THIS, SDL_Window * window)
     display = SDL_GetDisplayForWindow(window);
     displaydata = (SDL_DisplayData *) display->driverdata;
 
-    /* Windows have one size for now */
-    window->w = display->desktop_mode.w;
-    window->h = display->desktop_mode.h;
-
-    /* OpenGL ES is the law here, buddy */
-    window->flags |= SDL_WINDOW_OPENGL;
+    if (hintScale != NULL)
+        scalemode = *hintScale;
 
     /* Create a dispman element and associate a window to it */
-    dst_rect.x = 0;
-    dst_rect.y = 0;
-    dst_rect.width = window->w;
-    dst_rect.height = window->h;
+    switch(scalemode) {
+        case '3':
+            /* Pixel perfect scaling mode. */
+            factor_x = (display->desktop_mode.w / window->w);
+            factor_y = (display->desktop_mode.h / window->h);
+            if ((factor_x != 0) && (factor_y != 0)) {
+                if (factor_x >= factor_y) {
+                    dst_rect.width = window->w * factor_y;
+                    dst_rect.height = window->h * factor_y;
+                }
+                else {
+                    dst_rect.width = window->w * factor_x;
+                    dst_rect.height = window->h * factor_x;
+                }
+                /* Center window. */
+                dst_rect.x = (display->desktop_mode.w - dst_rect.width) / 2;
+                dst_rect.y = (display->desktop_mode.h - dst_rect.height) / 2;
+                break;
+            }
+            /* If integer scale is not possible fallback to mode 1. */
+        case '1':
+            /* Fullscreen mode. */
+            /* Calculate source and destination aspect ratios. */
+            if (hintRatio != NULL)
+                srcAspect = strtof(hintRatio, NULL);
+            else
+                srcAspect = (float)window->w / (float)window->h;
+            /* only allow sensible aspect ratios */
+            if (srcAspect < 0.2f || srcAspect > 6.0f)
+                srcAspect = (float)window->w / (float)window->h;
+            dstAspect = (float)display->desktop_mode.w / (float)display->desktop_mode.h;
+            /* If source and destination aspect ratios are not equal correct destination width. */
+            if (srcAspect < dstAspect) {
+                dst_rect.width = (unsigned)(display->desktop_mode.h * srcAspect);
+                dst_rect.height = display->desktop_mode.h;
+            }
+            else if (srcAspect > dstAspect) {
+                dst_rect.width = display->desktop_mode.w;
+                dst_rect.height = (unsigned)((float)display->desktop_mode.w / srcAspect);
+            }
+            else {
+                dst_rect.width = display->desktop_mode.w;
+                dst_rect.height = display->desktop_mode.h;
+            }
+            /* Center window. */
+            dst_rect.x = (display->desktop_mode.w - dst_rect.width) / 2;
+            dst_rect.y = (display->desktop_mode.h - dst_rect.height) / 2;
+            break;
+        case '2':
+            /* Fullscreen streched mode. */
+            dst_rect.x = 0;
+            dst_rect.y = 0;
+            dst_rect.width = display->desktop_mode.w;
+            dst_rect.height = display->desktop_mode.h;
+            break;
+        default:
+            /* Default mode. */
+            window->w = display->desktop_mode.w;
+            window->h = display->desktop_mode.h;
+
+            dst_rect.x = 0;
+            dst_rect.y = 0;
+            dst_rect.width = window->w;
+            dst_rect.height = window->h;
+            break;
+    }
 
     src_rect.x = 0;
     src_rect.y = 0;
     src_rect.width = window->w << 16;
     src_rect.height = window->h << 16;
 
+    /* OpenGL ES is the law here, buddy */
+    window->flags |= SDL_WINDOW_OPENGL;
+
     env = SDL_GetHint(SDL_HINT_RPI_VIDEO_LAYER);
     if (env) {
         layer = SDL_atoi(env);