filename | src/drivers/video_gl.h |
changeset | 669:ab344e42bca9 |
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author | nkeynes |
date | Mon May 12 10:00:13 2008 +0000 (14 years ago) |
permissions | -rw-r--r-- |
last change | Cleanup most of the -Wall warnings (getting a bit sloppy...) Convert FP code to use fixed banks rather than indirect pointer (3-4% faster this way now) |
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nkeynes@635 | 1 | /** |
nkeynes@635 | 2 | * $Id$ |
nkeynes@635 | 3 | * |
nkeynes@662 | 4 | * Common GL code that doesn't depend on a specific implementation |
nkeynes@635 | 5 | * |
nkeynes@635 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@635 | 7 | * |
nkeynes@635 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@635 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@635 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@635 | 11 | * (at your option) any later version. |
nkeynes@635 | 12 | * |
nkeynes@635 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@635 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@635 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@635 | 16 | * GNU General Public License for more details. |
nkeynes@635 | 17 | */ |
nkeynes@635 | 18 | |
nkeynes@635 | 19 | #ifndef video_gl_common_H |
nkeynes@635 | 20 | #define video_gl_common_H |
nkeynes@635 | 21 | |
nkeynes@635 | 22 | /** |
nkeynes@635 | 23 | * Generic GL routine to draw the given frame buffer into a texture |
nkeynes@635 | 24 | */ |
nkeynes@635 | 25 | gboolean gl_load_frame_buffer( frame_buffer_t frame, int tex_id ); |
nkeynes@635 | 26 | |
nkeynes@635 | 27 | /** |
nkeynes@669 | 28 | * Reset the GL state to its initial values |
nkeynes@669 | 29 | */ |
nkeynes@669 | 30 | void gl_reset_state(); |
nkeynes@669 | 31 | |
nkeynes@669 | 32 | /** |
nkeynes@635 | 33 | * Generic GL routine to blank the display view with the specified colour. |
nkeynes@635 | 34 | */ |
nkeynes@669 | 35 | void gl_display_blank( uint32_t colour ); |
nkeynes@635 | 36 | |
nkeynes@635 | 37 | /** |
nkeynes@635 | 38 | * Write a rectangular texture (GL_TEXTURE_RECTANGLE_ARB) to the display frame |
nkeynes@635 | 39 | */ |
nkeynes@635 | 40 | void gl_display_render_buffer( render_buffer_t buffer ); |
nkeynes@635 | 41 | |
nkeynes@635 | 42 | /** |
nkeynes@635 | 43 | * Write a rectangular texture (GL_TEXTURE_RECTANGLE_ARB) to the display frame |
nkeynes@635 | 44 | */ |
nkeynes@635 | 45 | void gl_texture_window( int width, int height, int tex_id, gboolean inverted ); |
nkeynes@635 | 46 | |
nkeynes@635 | 47 | /** |
nkeynes@635 | 48 | * Generic GL read_render_buffer. This function assumes that the caller |
nkeynes@635 | 49 | * has already set the appropriate glReadBuffer(); in other words, unless |
nkeynes@635 | 50 | * there's only one buffer this needs to be wrapped. |
nkeynes@635 | 51 | */ |
nkeynes@635 | 52 | gboolean gl_read_render_buffer( unsigned char *target, render_buffer_t buffer, |
nkeynes@635 | 53 | int rowstride, int colour_format ); |
nkeynes@635 | 54 | |
nkeynes@635 | 55 | |
nkeynes@635 | 56 | /****** FBO handling (gl_fbo.c) ******/ |
nkeynes@635 | 57 | gboolean gl_fbo_is_supported(); |
nkeynes@635 | 58 | void gl_fbo_shutdown(); |
nkeynes@635 | 59 | void gl_fbo_init( display_driver_t driver ); |
nkeynes@635 | 60 | void gl_fbo_detach(); |
nkeynes@635 | 61 | |
nkeynes@635 | 62 | #endif /* !video_gl_common_H */ |
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