nkeynes@94 | 1 | /**
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nkeynes@144 | 2 | * $Id: video_gtk.c,v 1.6 2006-05-15 08:28:52 nkeynes Exp $
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nkeynes@94 | 3 | *
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nkeynes@94 | 4 | * The PC side of the video support (responsible for actually displaying /
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nkeynes@94 | 5 | * rendering frames)
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nkeynes@94 | 6 | *
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nkeynes@94 | 7 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@94 | 8 | *
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nkeynes@94 | 9 | * This program is free software; you can redistribute it and/or modify
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nkeynes@94 | 10 | * it under the terms of the GNU General Public License as published by
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nkeynes@94 | 11 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@94 | 12 | * (at your option) any later version.
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nkeynes@94 | 13 | *
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nkeynes@94 | 14 | * This program is distributed in the hope that it will be useful,
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nkeynes@94 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@94 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@94 | 17 | * GNU General Public License for more details.
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nkeynes@94 | 18 | */
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nkeynes@94 | 19 |
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nkeynes@94 | 20 | #include <gnome.h>
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nkeynes@94 | 21 | #include <gdk/gdkx.h>
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nkeynes@94 | 22 | #include <stdint.h>
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nkeynes@144 | 23 | #include "display.h"
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nkeynes@94 | 24 | #include "drivers/video_x11.h"
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nkeynes@94 | 25 |
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nkeynes@94 | 26 | GdkImage *video_img = NULL;
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nkeynes@94 | 27 | GtkWindow *video_win = NULL;
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nkeynes@94 | 28 | GtkWidget *video_area = NULL;
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nkeynes@94 | 29 | uint32_t video_width = 640;
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nkeynes@94 | 30 | uint32_t video_height = 480;
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nkeynes@94 | 31 | uint32_t video_frame_count = 0;
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nkeynes@94 | 32 |
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nkeynes@144 | 33 | uint16_t video_gtk_resolve_keysym( const gchar *keysym );
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nkeynes@94 | 34 | gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,
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nkeynes@94 | 35 | int colour_format );
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nkeynes@108 | 36 | gboolean video_gtk_set_render_format( uint32_t width, uint32_t height,
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nkeynes@144 | 37 | int colour_format, gboolean texture );
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nkeynes@94 | 38 | gboolean video_gtk_display_frame( video_buffer_t frame );
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nkeynes@94 | 39 | gboolean video_gtk_blank( uint32_t rgb );
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nkeynes@94 | 40 |
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nkeynes@144 | 41 | struct display_driver display_gtk_driver = { "gtk",
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nkeynes@144 | 42 | NULL,
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nkeynes@144 | 43 | NULL,
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nkeynes@144 | 44 | video_gtk_resolve_keysym,
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nkeynes@144 | 45 | video_gtk_set_output_format,
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nkeynes@144 | 46 | video_gtk_set_render_format,
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nkeynes@144 | 47 | video_gtk_display_frame,
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nkeynes@144 | 48 | video_gtk_blank,
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nkeynes@144 | 49 | video_glx_swap_buffers };
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nkeynes@144 | 50 |
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nkeynes@144 | 51 | gboolean video_gtk_keydown_callback(GtkWidget *widget,
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nkeynes@144 | 52 | GdkEventKey *event,
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nkeynes@144 | 53 | gpointer user_data)
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nkeynes@144 | 54 | {
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nkeynes@144 | 55 | input_event_keydown( event->keyval );
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nkeynes@144 | 56 | }
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nkeynes@144 | 57 |
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nkeynes@144 | 58 | uint16_t video_gtk_resolve_keysym( const gchar *keysym )
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nkeynes@144 | 59 | {
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nkeynes@144 | 60 | int val = gdk_keyval_from_name( keysym );
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nkeynes@144 | 61 | if( val == GDK_VoidSymbol )
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nkeynes@144 | 62 | return 0;
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nkeynes@144 | 63 | return (uint16_t)val;
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nkeynes@144 | 64 | }
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nkeynes@144 | 65 |
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nkeynes@144 | 66 | gboolean video_gtk_keyup_callback(GtkWidget *widget,
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nkeynes@144 | 67 | GdkEventKey *event,
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nkeynes@144 | 68 | gpointer user_data)
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nkeynes@144 | 69 | {
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nkeynes@144 | 70 | input_event_keyup( event->keyval );
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nkeynes@144 | 71 | }
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nkeynes@94 | 72 |
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nkeynes@94 | 73 | gboolean video_gtk_set_output_format( uint32_t width, uint32_t height,
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nkeynes@94 | 74 | int colour_format )
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nkeynes@94 | 75 | {
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nkeynes@94 | 76 | video_width = width;
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nkeynes@94 | 77 | video_height = height;
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nkeynes@94 | 78 | if( video_win == NULL ) {
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nkeynes@94 | 79 | video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));
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nkeynes@94 | 80 | gtk_window_set_title( video_win, "DreamOn! - Emulation Window" );
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nkeynes@94 | 81 | gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );
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nkeynes@94 | 82 | gtk_window_set_default_size( video_win, width, height );
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nkeynes@94 | 83 |
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nkeynes@144 | 84 | g_signal_connect( video_win, "key_press_event",
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nkeynes@144 | 85 | G_CALLBACK(video_gtk_keydown_callback), NULL );
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nkeynes@144 | 86 | g_signal_connect( video_win, "key_release_event",
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nkeynes@144 | 87 | G_CALLBACK(video_gtk_keyup_callback), NULL );
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nkeynes@144 | 88 | gtk_widget_add_events( GTK_WIDGET(video_win),
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nkeynes@144 | 89 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
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nkeynes@144 | 90 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
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nkeynes@94 | 91 | video_area = gtk_image_new();
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nkeynes@94 | 92 | gtk_widget_show( GTK_WIDGET(video_area) );
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nkeynes@94 | 93 | gtk_container_add( GTK_CONTAINER(video_win), GTK_WIDGET(video_area) );
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nkeynes@94 | 94 | gtk_widget_show( GTK_WIDGET(video_win) );
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nkeynes@94 | 95 | video_x11_set_display( gdk_x11_display_get_xdisplay( gtk_widget_get_display(video_area)),
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nkeynes@94 | 96 | gdk_x11_screen_get_xscreen( gtk_widget_get_screen(video_area)),
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nkeynes@94 | 97 | GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window ) );
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nkeynes@94 | 98 |
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nkeynes@94 | 99 | }
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nkeynes@94 | 100 | gtk_window_set_default_size( video_win, width, height );
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nkeynes@94 | 101 | video_img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),
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nkeynes@94 | 102 | width, height );
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nkeynes@94 | 103 | gtk_image_set_from_image( GTK_IMAGE(video_area), video_img, NULL );
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nkeynes@94 | 104 | /* Note old image is auto de-refed */
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nkeynes@94 | 105 | return TRUE;
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nkeynes@94 | 106 | }
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nkeynes@94 | 107 |
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nkeynes@94 | 108 |
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nkeynes@94 | 109 | /**
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nkeynes@94 | 110 | * Fill the entire frame with the specified colour (00RRGGBB)
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nkeynes@94 | 111 | */
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nkeynes@94 | 112 | gboolean video_gtk_blank( uint32_t colour )
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nkeynes@94 | 113 | {
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nkeynes@94 | 114 | char *p = video_img->mem;
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nkeynes@94 | 115 | int i;
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nkeynes@94 | 116 | for( i=0; i<video_width*video_height; i++ ) {
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nkeynes@94 | 117 | *p++ = (colour>>16) & 0xFF;
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nkeynes@94 | 118 | *p++ = (colour>>8) & 0xFF;
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nkeynes@94 | 119 | *p++ = (colour) & 0xFF;
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nkeynes@94 | 120 | *p++ = 0;
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nkeynes@94 | 121 | }
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nkeynes@94 | 122 | }
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nkeynes@94 | 123 |
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nkeynes@94 | 124 | gboolean video_gtk_display_frame( video_buffer_t frame )
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nkeynes@94 | 125 | {
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nkeynes@94 | 126 | uint32_t bytes_per_line, x, y;
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nkeynes@94 | 127 | char *src = frame->data;
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nkeynes@94 | 128 | char *dest = video_img->mem;
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nkeynes@94 | 129 |
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nkeynes@112 | 130 | return video_glx_display_frame( frame );
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nkeynes@112 | 131 |
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nkeynes@94 | 132 | switch( frame->colour_format ) {
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nkeynes@103 | 133 | case COLFMT_ARGB1555:
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nkeynes@94 | 134 | for( y=0; y < frame->vres; y++ ) {
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nkeynes@94 | 135 | uint16_t *p = (uint16_t *)src;
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nkeynes@103 | 136 | for( x=0; x < frame->hres; x++ ) {
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nkeynes@94 | 137 | uint16_t pixel = *p++;
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nkeynes@94 | 138 | *dest++ = (pixel & 0x1F) << 3;
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nkeynes@94 | 139 | *dest++ = (pixel & 0x3E0) >> 2;
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nkeynes@94 | 140 | *dest++ = (pixel & 0x7C00) >> 7;
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nkeynes@94 | 141 | *dest++ = 0;
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nkeynes@94 | 142 | }
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nkeynes@94 | 143 | src += frame->rowstride;
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nkeynes@94 | 144 | }
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nkeynes@94 | 145 | break;
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nkeynes@103 | 146 | case COLFMT_RGB565:
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nkeynes@94 | 147 | for( y=0; y < frame->vres; y++ ) {
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nkeynes@94 | 148 | uint16_t *p = (uint16_t *)src;
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nkeynes@103 | 149 | for( x=0; x < frame->hres; x++ ) {
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nkeynes@94 | 150 | uint16_t pixel = *p++;
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nkeynes@94 | 151 | *dest++ = (pixel & 0x1F) << 3;
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nkeynes@94 | 152 | *dest++ = (pixel & 0x7E0) >> 3;
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nkeynes@94 | 153 | *dest++ = (pixel & 0xF800) >> 8;
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nkeynes@94 | 154 | *dest++ = 0;
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nkeynes@94 | 155 | }
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nkeynes@94 | 156 | src += frame->rowstride;
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nkeynes@94 | 157 | }
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nkeynes@94 | 158 | break;
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nkeynes@103 | 159 | case COLFMT_RGB888:
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nkeynes@103 | 160 | for( y=0; y< frame->vres; y++ ) {
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nkeynes@103 | 161 | char *p = src;
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nkeynes@103 | 162 | for( x=0; x < frame->hres; x++ ) {
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nkeynes@103 | 163 | *dest++ = *p++;
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nkeynes@103 | 164 | *dest++ = *p++;
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nkeynes@103 | 165 | *dest++ = *p++;
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nkeynes@103 | 166 | *dest++ = 0;
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nkeynes@103 | 167 | }
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nkeynes@103 | 168 | src += frame->rowstride;
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nkeynes@103 | 169 | }
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nkeynes@103 | 170 | break;
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nkeynes@103 | 171 | case COLFMT_ARGB8888:
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nkeynes@94 | 172 | bytes_per_line = frame->hres << 2;
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nkeynes@94 | 173 | if( bytes_per_line == frame->rowstride ) {
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nkeynes@94 | 174 | /* A little bit faster */
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nkeynes@94 | 175 | memcpy( dest, src, bytes_per_line * frame->vres );
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nkeynes@94 | 176 | } else {
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nkeynes@94 | 177 | for( y=0; y< frame->vres; y++ ) {
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nkeynes@94 | 178 | memcpy( dest, src, bytes_per_line );
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nkeynes@94 | 179 | src += frame->rowstride;
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nkeynes@94 | 180 | dest += bytes_per_line;
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nkeynes@94 | 181 | }
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nkeynes@94 | 182 | }
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nkeynes@94 | 183 | break;
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nkeynes@94 | 184 | }
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nkeynes@94 | 185 | gtk_widget_queue_draw( video_area );
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nkeynes@94 | 186 | return TRUE;
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nkeynes@94 | 187 | }
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nkeynes@94 | 188 |
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nkeynes@108 | 189 | gboolean video_gtk_set_render_format( uint32_t width, uint32_t height,
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nkeynes@144 | 190 | int colour_format, gboolean texture )
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nkeynes@108 | 191 | {
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nkeynes@108 | 192 | return video_glx_set_render_format( 0, 0, width, height );
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nkeynes@108 | 193 | }
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