nkeynes@106 | 1 | /**
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nkeynes@481 | 2 | * $Id: video_null.c,v 1.7 2007-10-31 12:05:23 nkeynes Exp $
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nkeynes@106 | 3 | *
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nkeynes@106 | 4 | * Null video output driver (ie no video output whatsoever)
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nkeynes@106 | 5 | *
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nkeynes@106 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@106 | 7 | *
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nkeynes@106 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@106 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@106 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@106 | 11 | * (at your option) any later version.
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nkeynes@106 | 12 | *
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nkeynes@106 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@106 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@106 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@106 | 16 | * GNU General Public License for more details.
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nkeynes@106 | 17 | */
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nkeynes@106 | 18 |
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nkeynes@144 | 19 | #include "display.h"
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nkeynes@106 | 20 |
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nkeynes@352 | 21 | render_buffer_t video_null_create_render_buffer( uint32_t hres, uint32_t vres )
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nkeynes@352 | 22 | {
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nkeynes@352 | 23 | return NULL;
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nkeynes@352 | 24 | }
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nkeynes@352 | 25 |
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nkeynes@352 | 26 | void video_null_destroy_render_buffer( render_buffer_t buffer )
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nkeynes@106 | 27 | {
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nkeynes@106 | 28 | }
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nkeynes@106 | 29 |
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nkeynes@352 | 30 | gboolean video_null_set_render_target( render_buffer_t buffer )
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nkeynes@106 | 31 | {
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nkeynes@106 | 32 | return TRUE;
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nkeynes@106 | 33 | }
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nkeynes@106 | 34 |
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nkeynes@352 | 35 | gboolean video_null_display_render_buffer( render_buffer_t buffer )
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nkeynes@106 | 36 | {
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nkeynes@106 | 37 | return TRUE;
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nkeynes@106 | 38 | }
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nkeynes@106 | 39 |
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nkeynes@481 | 40 | gboolean video_null_read_render_buffer( unsigned char *target, render_buffer_t buffer, int rowstride, int format )
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nkeynes@352 | 41 | {
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nkeynes@352 | 42 | return TRUE;
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nkeynes@352 | 43 | }
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nkeynes@352 | 44 |
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nkeynes@481 | 45 | void video_null_load_frame_buffer( frame_buffer_t frame, render_buffer_t buffer )
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nkeynes@352 | 46 | {
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nkeynes@352 | 47 | }
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nkeynes@352 | 48 |
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nkeynes@352 | 49 | gboolean video_null_display_blank( uint32_t colour )
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nkeynes@106 | 50 | {
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nkeynes@106 | 51 | return TRUE;
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nkeynes@106 | 52 | }
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nkeynes@106 | 53 |
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nkeynes@106 | 54 | void video_null_display_back_buffer( void )
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nkeynes@106 | 55 | {
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nkeynes@106 | 56 | }
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nkeynes@106 | 57 |
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nkeynes@106 | 58 |
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nkeynes@144 | 59 | struct display_driver display_null_driver = { "null",
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nkeynes@352 | 60 | NULL,
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nkeynes@352 | 61 | NULL,
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nkeynes@352 | 62 | NULL,
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nkeynes@352 | 63 | video_null_create_render_buffer,
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nkeynes@352 | 64 | video_null_destroy_render_buffer,
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nkeynes@352 | 65 | video_null_set_render_target,
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nkeynes@481 | 66 | video_null_load_frame_buffer,
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nkeynes@352 | 67 | video_null_display_render_buffer,
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nkeynes@352 | 68 | video_null_display_blank,
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nkeynes@352 | 69 | video_null_read_render_buffer };
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