lxdream.org :: lxdream/src/drivers/video

tree revision 746:3a574a68e793

filename	src/drivers/video_gl.h
changeset	736:a02d1475ccfd
prev	669:ab344e42bca9
next	854:130928a3cdcb
author	nkeynes
date	Fri Jul 18 12:54:59 2008 +0000 (15 years ago)
permissions	-rw-r--r--
last change	Fix make check for out-of-tree build

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     1 /**

     2  * $Id$

     3  *

     4  * Common GL code that doesn't depend on a specific implementation

     5  *

     6  * Copyright (c) 2005 Nathan Keynes.

     7  *

     8  * This program is free software; you can redistribute it and/or modify

     9  * it under the terms of the GNU General Public License as published by

    10  * the Free Software Foundation; either version 2 of the License, or

    11  * (at your option) any later version.

    12  *

    13  * This program is distributed in the hope that it will be useful,

    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    16  * GNU General Public License for more details.

    17  */

    19 #ifndef lxdream_video_gl_H

    20 #define lxdream_video_gl_H 1

    22 #ifdef __cplusplus

    23 extern "C" {

    24 #endif

    26 /**

    27  * Generic GL routine to draw the given frame buffer into a texture

    28  */

    29 gboolean gl_load_frame_buffer( frame_buffer_t frame, int tex_id );

    31 /**

    32  * Reset the GL state to its initial values

    33  */

    34 void gl_reset_state();

    36 /**

    37  * Generic GL routine to blank the display view with the specified colour.

    38  */

    39 void gl_display_blank( uint32_t colour );

    41 /**

    42  * Write a rectangular texture (GL_TEXTURE_RECTANGLE_ARB) to the display frame

    43  */

    44 void gl_display_render_buffer( render_buffer_t buffer );

    46 /**

    47  * Write a rectangular texture (GL_TEXTURE_RECTANGLE_ARB) to the display frame

    48  */

    49 void gl_texture_window( int width, int height, int tex_id, gboolean inverted );

    51 /**

    52  * Generic GL read_render_buffer. This function assumes that the caller

    53  * has already set the appropriate glReadBuffer(); in other words, unless

    54  * there's only one buffer this needs to be wrapped.

    55  */

    56 gboolean gl_read_render_buffer( unsigned char *target, render_buffer_t buffer,

    57                                 int rowstride, int colour_format );

    60 /****** FBO handling (gl_fbo.c) ******/

    61 gboolean gl_fbo_is_supported();

    62 void gl_fbo_shutdown();

    63 void gl_fbo_init( display_driver_t driver );

    64 void gl_fbo_detach();

    66 #ifdef __cplusplus

    67 }

    68 #endif

    70 #endif /* !lxdream_video_gl_H */