filename | src/drivers/video_gtk.c |
changeset | 180:e6dcf9b65658 |
prev | 160:17c4c0e4f9ce |
next | 335:fb890e1814c0 |
author | nkeynes |
date | Fri Aug 18 09:32:32 2006 +0000 (17 years ago) |
permissions | -rw-r--r-- |
last change | Add code to check for memory-wraparound on the vertex buffer (it doesn't) Add in-theory support for re-init (doesn't do anything) Fix addresses of result and tilematrix |
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1 /**
2 * $Id: video_gtk.c,v 1.8 2006-07-02 04:59:00 nkeynes Exp $
3 *
4 * The PC side of the video support (responsible for actually displaying /
5 * rendering frames)
6 *
7 * Copyright (c) 2005 Nathan Keynes.
8 *
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.
13 *
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.
18 */
20 #include <gnome.h>
21 #include <gdk/gdkx.h>
22 #include <stdint.h>
23 #include "dream.h"
24 #include "display.h"
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,
36 int colour_format );
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",
43 NULL,
44 NULL,
45 video_gtk_resolve_keysym,
46 video_gtk_set_output_format,
47 video_gtk_set_render_format,
48 video_gtk_display_frame,
49 video_gtk_blank,
50 video_glx_swap_buffers };
52 gboolean video_gtk_keydown_callback(GtkWidget *widget,
53 GdkEventKey *event,
54 gpointer user_data)
55 {
56 input_event_keydown( event->keyval );
57 }
59 uint16_t video_gtk_resolve_keysym( const gchar *keysym )
60 {
61 int val = gdk_keyval_from_name( keysym );
62 if( val == GDK_VoidSymbol )
63 return 0;
64 return (uint16_t)val;
65 }
67 gboolean video_gtk_keyup_callback(GtkWidget *widget,
68 GdkEventKey *event,
69 gpointer user_data)
70 {
71 input_event_keyup( event->keyval );
72 }
74 gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,
75 int colour_format )
76 {
77 video_width = width;
78 video_height = height;
79 if( video_win == NULL ) {
80 video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));
81 gtk_window_set_title( video_win, APP_NAME " - Emulation Window" );
82 gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );
83 gtk_window_set_default_size( video_win, width, height );
85 g_signal_connect( video_win, "key_press_event",
86 G_CALLBACK(video_gtk_keydown_callback), NULL );
87 g_signal_connect( video_win, "key_release_event",
88 G_CALLBACK(video_gtk_keyup_callback), NULL );
89 gtk_widget_add_events( GTK_WIDGET(video_win),
90 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
91 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
92 video_area = gtk_image_new();
93 gtk_widget_show( GTK_WIDGET(video_area) );
94 gtk_container_add( GTK_CONTAINER(video_win), GTK_WIDGET(video_area) );
95 gtk_widget_show( GTK_WIDGET(video_win) );
96 video_x11_set_display( gdk_x11_display_get_xdisplay( gtk_widget_get_display(video_area)),
97 gdk_x11_screen_get_xscreen( gtk_widget_get_screen(video_area)),
98 GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ) );
100 }
101 gtk_window_set_default_size( video_win, width, height );
102 video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),
103 width, height );
104 gtk_image_set_from_image( GTK_IMAGE(video_area), video_img, NULL );
105 /* Note old image is auto de-refed */
106 return TRUE;
107 }
110 /**
111 * Fill the entire frame with the specified colour (00RRGGBB)
112 */
113 gboolean video_gtk_blank( uint32_t colour )
114 {
115 video_glx_blank( video_width, video_height, colour );
116 }
118 gboolean video_gtk_display_frame( video_buffer_t frame )
119 {
120 uint32_t bytes_per_line, x, y;
121 char *src = frame->data;
122 char *dest = video_img->mem;
124 return video_glx_display_frame( frame );
126 switch( frame->colour_format ) {
127 case COLFMT_ARGB1555:
128 for( y=0; y < frame->vres; y++ ) {
129 uint16_t *p = (uint16_t *)src;
130 for( x=0; x < frame->hres; x++ ) {
131 uint16_t pixel = *p++;
132 *dest++ = (pixel & 0x1F) << 3;
133 *dest++ = (pixel & 0x3E0) >> 2;
134 *dest++ = (pixel & 0x7C00) >> 7;
135 *dest++ = 0;
136 }
137 src += frame->rowstride;
138 }
139 break;
140 case COLFMT_RGB565:
141 for( y=0; y < frame->vres; y++ ) {
142 uint16_t *p = (uint16_t *)src;
143 for( x=0; x < frame->hres; x++ ) {
144 uint16_t pixel = *p++;
145 *dest++ = (pixel & 0x1F) << 3;
146 *dest++ = (pixel & 0x7E0) >> 3;
147 *dest++ = (pixel & 0xF800) >> 8;
148 *dest++ = 0;
149 }
150 src += frame->rowstride;
151 }
152 break;
153 case COLFMT_RGB888:
154 for( y=0; y< frame->vres; y++ ) {
155 char *p = src;
156 for( x=0; x < frame->hres; x++ ) {
157 *dest++ = *p++;
158 *dest++ = *p++;
159 *dest++ = *p++;
160 *dest++ = 0;
161 }
162 src += frame->rowstride;
163 }
164 break;
165 case COLFMT_ARGB8888:
166 bytes_per_line = frame->hres << 2;
167 if( bytes_per_line == frame->rowstride ) {
168 /* A little bit faster */
169 memcpy( dest, src, bytes_per_line * frame->vres );
170 } else {
171 for( y=0; y< frame->vres; y++ ) {
172 memcpy( dest, src, bytes_per_line );
173 src += frame->rowstride;
174 dest += bytes_per_line;
175 }
176 }
177 break;
178 }
179 gtk_widget_queue_draw( video_area );
180 return TRUE;
181 }
183 gboolean video_gtk_set_render_format( uint32_t width, uint32_t height,
184 int colour_format, gboolean texture )
185 {
186 return video_glx_set_render_format( 0, 0, width, height );
187 }
.