2 * $Id: video_gtk.c,v 1.6 2006-05-15 08:28:52 nkeynes Exp $
4 * The PC side of the video support (responsible for actually displaying /
7 * Copyright (c) 2005 Nathan Keynes.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
24 #include "drivers/video_x11.h"
26 GdkImage *video_img = NULL;
27 GtkWindow *video_win = NULL;
28 GtkWidget *video_area = NULL;
29 uint32_t video_width = 640;
30 uint32_t video_height = 480;
31 uint32_t video_frame_count = 0;
33 uint16_t video_gtk_resolve_keysym( const gchar *keysym );
34 gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,
36 gboolean video_gtk_set_render_format( uint32_t width, uint32_t height,
37 int colour_format, gboolean texture );
38 gboolean video_gtk_display_frame( video_buffer_t frame );
39 gboolean video_gtk_blank( uint32_t rgb );
41 struct display_driver display_gtk_driver = { "gtk",
44 video_gtk_resolve_keysym,
45 video_gtk_set_output_format,
46 video_gtk_set_render_format,
47 video_gtk_display_frame,
49 video_glx_swap_buffers };
51 gboolean video_gtk_keydown_callback(GtkWidget *widget,
55 input_event_keydown( event->keyval );
58 uint16_t video_gtk_resolve_keysym( const gchar *keysym )
60 int val = gdk_keyval_from_name( keysym );
61 if( val == GDK_VoidSymbol )
66 gboolean video_gtk_keyup_callback(GtkWidget *widget,
70 input_event_keyup( event->keyval );
73 gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,
77 video_height = height;
78 if( video_win == NULL ) {
79 video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));
80 gtk_window_set_title( video_win, "DreamOn! - Emulation Window" );
81 gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );
82 gtk_window_set_default_size( video_win, width, height );
84 g_signal_connect( video_win, "key_press_event",
85 G_CALLBACK(video_gtk_keydown_callback), NULL );
86 g_signal_connect( video_win, "key_release_event",
87 G_CALLBACK(video_gtk_keyup_callback), NULL );
88 gtk_widget_add_events( GTK_WIDGET(video_win),
89 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
90 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
91 video_area = gtk_image_new();
92 gtk_widget_show( GTK_WIDGET(video_area) );
93 gtk_container_add( GTK_CONTAINER(video_win), GTK_WIDGET(video_area) );
94 gtk_widget_show( GTK_WIDGET(video_win) );
95 video_x11_set_display( gdk_x11_display_get_xdisplay( gtk_widget_get_display(video_area)),
96 gdk_x11_screen_get_xscreen( gtk_widget_get_screen(video_area)),
97 GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ) );
100 gtk_window_set_default_size( video_win, width, height );
101 video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),
103 gtk_image_set_from_image( GTK_IMAGE(video_area), video_img, NULL );
104 /* Note old image is auto de-refed */
110 * Fill the entire frame with the specified colour (00RRGGBB)
112 gboolean video_gtk_blank( uint32_t colour )
114 char *p = video_img->mem;
116 for( i=0; i<video_width*video_height; i++ ) {
117 *p++ = (colour>>16) & 0xFF;
118 *p++ = (colour>>8) & 0xFF;
119 *p++ = (colour) & 0xFF;
124 gboolean video_gtk_display_frame( video_buffer_t frame )
126 uint32_t bytes_per_line, x, y;
127 char *src = frame->data;
128 char *dest = video_img->mem;
130 return video_glx_display_frame( frame );
132 switch( frame->colour_format ) {
133 case COLFMT_ARGB1555:
134 for( y=0; y < frame->vres; y++ ) {
135 uint16_t *p = (uint16_t *)src;
136 for( x=0; x < frame->hres; x++ ) {
137 uint16_t pixel = *p++;
138 *dest++ = (pixel & 0x1F) << 3;
139 *dest++ = (pixel & 0x3E0) >> 2;
140 *dest++ = (pixel & 0x7C00) >> 7;
143 src += frame->rowstride;
147 for( y=0; y < frame->vres; y++ ) {
148 uint16_t *p = (uint16_t *)src;
149 for( x=0; x < frame->hres; x++ ) {
150 uint16_t pixel = *p++;
151 *dest++ = (pixel & 0x1F) << 3;
152 *dest++ = (pixel & 0x7E0) >> 3;
153 *dest++ = (pixel & 0xF800) >> 8;
156 src += frame->rowstride;
160 for( y=0; y< frame->vres; y++ ) {
162 for( x=0; x < frame->hres; x++ ) {
168 src += frame->rowstride;
171 case COLFMT_ARGB8888:
172 bytes_per_line = frame->hres << 2;
173 if( bytes_per_line == frame->rowstride ) {
174 /* A little bit faster */
175 memcpy( dest, src, bytes_per_line * frame->vres );
177 for( y=0; y< frame->vres; y++ ) {
178 memcpy( dest, src, bytes_per_line );
179 src += frame->rowstride;
180 dest += bytes_per_line;
185 gtk_widget_queue_draw( video_area );
189 gboolean video_gtk_set_render_format( uint32_t width, uint32_t height,
190 int colour_format, gboolean texture )
192 return video_glx_set_render_format( 0, 0, width, height );
.