2 * $Id: video_gtk.c,v 1.9 2007-01-27 12:03:53 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.
25 #include "drivers/video_x11.h"
27 GdkImage *video_img = NULL;
28 GtkWindow *video_win = NULL;
29 GtkWidget *video_area = NULL;
30 uint32_t video_width = 640;
31 uint32_t video_height = 480;
32 uint32_t video_frame_count = 0;
34 uint16_t video_gtk_resolve_keysym( const gchar *keysym );
35 gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,
37 gboolean video_gtk_set_render_format( uint32_t width, uint32_t height,
38 int colour_format, gboolean texture );
39 gboolean video_gtk_display_frame( video_buffer_t frame );
40 gboolean video_gtk_blank( uint32_t rgb );
42 struct display_driver display_gtk_driver = { "gtk",
45 video_gtk_resolve_keysym,
46 video_gtk_set_output_format,
47 video_gtk_set_render_format,
48 video_gtk_display_frame,
50 video_glx_swap_buffers };
52 gboolean video_gtk_keydown_callback(GtkWidget *widget,
56 input_event_keydown( event->keyval );
59 uint16_t video_gtk_resolve_keysym( const gchar *keysym )
61 int val = gdk_keyval_from_name( keysym );
62 if( val == GDK_VoidSymbol )
67 gboolean video_gtk_keyup_callback(GtkWidget *widget,
71 input_event_keyup( event->keyval );
74 gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,
77 if( video_win == NULL ) {
78 video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));
79 gtk_window_set_title( video_win, APP_NAME " - Emulation Window" );
80 gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );
81 gtk_window_set_default_size( video_win, video_width, video_height );
83 g_signal_connect( video_win, "key_press_event",
84 G_CALLBACK(video_gtk_keydown_callback), NULL );
85 g_signal_connect( video_win, "key_release_event",
86 G_CALLBACK(video_gtk_keyup_callback), NULL );
87 gtk_widget_add_events( GTK_WIDGET(video_win),
88 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
89 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
90 video_area = gtk_image_new();
91 gtk_widget_show( GTK_WIDGET(video_area) );
92 gtk_container_add( GTK_CONTAINER(video_win), GTK_WIDGET(video_area) );
93 gtk_widget_show( GTK_WIDGET(video_win) );
94 video_x11_set_display( gdk_x11_display_get_xdisplay( gtk_widget_get_display(video_area)),
95 gdk_x11_screen_get_xscreen( gtk_widget_get_screen(video_area)),
96 GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ) );
99 gtk_window_set_default_size( video_win, video_width, video_height );
100 video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),
101 video_width, video_height );
102 gtk_image_set_from_image( GTK_IMAGE(video_area), video_img, NULL );
103 /* Note old image is auto de-refed */
109 * Fill the entire frame with the specified colour (00RRGGBB)
111 gboolean video_gtk_blank( uint32_t colour )
113 video_glx_blank( video_width, video_height, colour );
116 gboolean video_gtk_display_frame( video_buffer_t frame )
118 uint32_t bytes_per_line, x, y;
119 char *src = frame->data;
120 char *dest = video_img->mem;
122 return video_glx_display_frame( frame );
124 switch( frame->colour_format ) {
125 case COLFMT_ARGB1555:
126 for( y=0; y < frame->vres; y++ ) {
127 uint16_t *p = (uint16_t *)src;
128 for( x=0; x < frame->hres; x++ ) {
129 uint16_t pixel = *p++;
130 *dest++ = (pixel & 0x1F) << 3;
131 *dest++ = (pixel & 0x3E0) >> 2;
132 *dest++ = (pixel & 0x7C00) >> 7;
135 src += frame->rowstride;
139 for( y=0; y < frame->vres; y++ ) {
140 uint16_t *p = (uint16_t *)src;
141 for( x=0; x < frame->hres; x++ ) {
142 uint16_t pixel = *p++;
143 *dest++ = (pixel & 0x1F) << 3;
144 *dest++ = (pixel & 0x7E0) >> 3;
145 *dest++ = (pixel & 0xF800) >> 8;
148 src += frame->rowstride;
152 for( y=0; y< frame->vres; y++ ) {
154 for( x=0; x < frame->hres; x++ ) {
160 src += frame->rowstride;
163 case COLFMT_ARGB8888:
164 bytes_per_line = frame->hres << 2;
165 if( bytes_per_line == frame->rowstride ) {
166 /* A little bit faster */
167 memcpy( dest, src, bytes_per_line * frame->vres );
169 for( y=0; y< frame->vres; y++ ) {
170 memcpy( dest, src, bytes_per_line );
171 src += frame->rowstride;
172 dest += bytes_per_line;
177 gtk_widget_queue_draw( video_area );
181 gboolean video_gtk_set_render_format( uint32_t width, uint32_t height,
182 int colour_format, gboolean texture )
184 return video_glx_set_render_format( 0, 0, width, height );
.