--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/drivers/video_gtk.c	Sun Feb 05 04:05:27 2006 +0000
@@ -0,0 +1,136 @@
+/**
+ * $Id: video_gtk.c,v 1.1 2006-02-05 04:05:27 nkeynes Exp $
+ *
+ * The PC side of the video support (responsible for actually displaying / 
+ * rendering frames)
+ *
+ * Copyright (c) 2005 Nathan Keynes.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <gnome.h>
+#include <gdk/gdkx.h>
+#include <stdint.h>
+#include "video.h"
+#include "drivers/video_x11.h"
+
+GdkImage *video_img = NULL;
+GtkWindow *video_win = NULL;
+GtkWidget *video_area = NULL;
+uint32_t video_width = 640;
+uint32_t video_height = 480;
+uint32_t video_frame_count = 0;
+
+gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,  
+				      int colour_format );
+gboolean video_gtk_display_frame( video_buffer_t frame );
+gboolean video_gtk_blank( uint32_t rgb );
+
+struct video_driver video_gtk_driver = { "Gtk", video_gtk_set_output_format,
+					 video_gtk_display_frame,
+					 video_gtk_blank };
+
+gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,  
+				      int colour_format )
+{
+    video_width = width;
+    video_height = height;
+    if( video_win == NULL ) {
+	video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));
+	gtk_window_set_title( video_win, "DreamOn! - Emulation Window" );
+	gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );
+	gtk_window_set_default_size( video_win, width, height );
+    
+	video_area = gtk_image_new();
+	gtk_widget_show( GTK_WIDGET(video_area) );
+	gtk_container_add( GTK_CONTAINER(video_win), GTK_WIDGET(video_area) );
+	gtk_widget_show( GTK_WIDGET(video_win) );
+	video_x11_set_display( gdk_x11_display_get_xdisplay( gtk_widget_get_display(video_area)),
+			       gdk_x11_screen_get_xscreen( gtk_widget_get_screen(video_area)),
+			       GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ) );
+			       
+    }
+    gtk_window_set_default_size( video_win, width, height );
+    video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),
+			       width, height );
+    gtk_image_set_from_image( GTK_IMAGE(video_area), video_img, NULL );
+    /* Note old image is auto de-refed */
+    return TRUE;
+}
+
+
+/**
+ * Fill the entire frame with the specified colour (00RRGGBB)
+ */
+gboolean video_gtk_blank( uint32_t colour ) 
+{
+    char *p = video_img->mem;
+    int i;
+    for( i=0; i<video_width*video_height; i++ ) {
+	*p++ = (colour>>16) & 0xFF;
+	*p++ = (colour>>8) & 0xFF;
+	*p++ = (colour) & 0xFF;
+	*p++ = 0;
+    }
+}
+
+gboolean video_gtk_display_frame( video_buffer_t frame ) 
+{
+    uint32_t bytes_per_line, x, y;
+    char *src = frame->data;
+    char *dest = video_img->mem;
+
+    switch( frame->colour_format ) {
+    case COLFMT_RGB15:
+	for( y=0; y < frame->vres; y++ ) {
+	    uint16_t *p = (uint16_t *)src;
+	    for( x=0; x < frame->vres; x++ ) {
+		uint16_t pixel = *p++;
+		*dest++ = (pixel & 0x1F) << 3;
+		*dest++ = (pixel & 0x3E0) >> 2;
+		*dest++ = (pixel & 0x7C00) >> 7;
+		*dest++ = 0;
+	    }
+	    src += frame->rowstride;
+	}
+	break;
+    case COLFMT_RGB16:
+	for( y=0; y < frame->vres; y++ ) {
+	    uint16_t *p = (uint16_t *)src;
+	    for( x=0; x < frame->vres; x++ ) {
+		uint16_t pixel = *p++;
+		*dest++ = (pixel & 0x1F) << 3;
+		*dest++ = (pixel & 0x7E0) >> 3;
+		*dest++ = (pixel & 0xF800) >> 8;
+		*dest++ = 0;
+	    }
+	    src += frame->rowstride;
+	}
+	break;
+    case COLFMT_RGB32:
+	bytes_per_line = frame->hres << 2;
+	if( bytes_per_line == frame->rowstride ) {
+	    /* A little bit faster */
+	    memcpy( dest, src, bytes_per_line * frame->vres );
+	} else {
+	    for( y=0; y< frame->vres; y++ ) {
+		memcpy( dest, src, bytes_per_line );
+		src += frame->rowstride;
+		dest += bytes_per_line;
+	    }
+	}
+	break;
+    }
+    gtk_widget_queue_draw( video_area );
+    return TRUE;
+}
+