lxdream.org :: lxdream/src/drivers/gl_common.h r429:e581b90c3fb3

tree revision 431:248dd77a9e44

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     1 /**

     2  * $Id: gl_common.h,v 1.3 2007-10-08 11:49:35 nkeynes Exp $

     3  *

     4  * Parent for all X11 display drivers.

     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 video_gl_common_H

    20 #define video_gl_common_H

    22 #include "display.h"

    24 /**

    25  * Test if a specific extension is supported. From opengl.org

    26  * @param extension extension name to check for

    27  * @return TRUE if supported, otherwise FALSE.

    28  */

    29 gboolean isGLExtensionSupported( const char *extension );

    31 gboolean hasRequiredGLExtensions();

    33 /**

    34  * Generic GL routine to draw the given frame buffer in the display view.

    35  */

    36 gboolean gl_display_frame_buffer( frame_buffer_t frame );

    38 /**

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

    40  */

    41 gboolean gl_display_blank( uint32_t colour );

    44 /**

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

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

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

    48  */

    49 gboolean gl_read_render_buffer( render_buffer_t buffer, unsigned char *target );

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

    53 gboolean gl_fbo_is_supported();

    54 void gl_fbo_shutdown();

    55 void gl_fbo_init( display_driver_t driver );

    57 /****** Shader handling (gl_sl.c) *****/

    58 gboolean glsl_is_supported(void);

    59 gboolean glsl_load_shaders( const char *vert_shader, const char *frag_shader );

    60 void glsl_unload_shaders(void);

    62 extern const char *glsl_vertex_shader_src;

    63 extern const char *glsl_fragment_shader_src;

    65 #endif /* !video_gl_common_H */