lxdream 0.9.1| filename | src/drivers/gl_common.h |
| changeset | 477:9a373f2ff009 |
| prev | 443:1163eb5c0590 |
| next | 545:fdcdcd8b9fd1 |
| author | nkeynes |
| date | Wed Oct 31 09:10:23 2007 +0000 (16 years ago) |
| permissions | -rw-r--r-- |
| last change | Add save/restore of render buffers in save states Gzip memory blocks in save states Move front-buffer management back to pvr2 Add screenshot preview when loading save states Various minor fixes and cleanups |
| file | annotate | diff | log | raw |
| nkeynes@352 | 1 | /** |
| nkeynes@477 | 2 | * $Id: gl_common.h,v 1.5 2007-10-31 09:10:23 nkeynes Exp $ |
| nkeynes@352 | 3 | * |
| nkeynes@352 | 4 | * Parent for all X11 display drivers. |
| nkeynes@352 | 5 | * |
| nkeynes@352 | 6 | * Copyright (c) 2005 Nathan Keynes. |
| nkeynes@352 | 7 | * |
| nkeynes@352 | 8 | * This program is free software; you can redistribute it and/or modify |
| nkeynes@352 | 9 | * it under the terms of the GNU General Public License as published by |
| nkeynes@352 | 10 | * the Free Software Foundation; either version 2 of the License, or |
| nkeynes@352 | 11 | * (at your option) any later version. |
| nkeynes@352 | 12 | * |
| nkeynes@352 | 13 | * This program is distributed in the hope that it will be useful, |
| nkeynes@352 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| nkeynes@352 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| nkeynes@352 | 16 | * GNU General Public License for more details. |
| nkeynes@352 | 17 | */ |
| nkeynes@352 | 18 | |
| nkeynes@352 | 19 | #ifndef video_gl_common_H |
| nkeynes@352 | 20 | #define video_gl_common_H |
| nkeynes@352 | 21 | |
| nkeynes@352 | 22 | #include "display.h" |
| nkeynes@352 | 23 | |
| nkeynes@352 | 24 | /** |
| nkeynes@352 | 25 | * Test if a specific extension is supported. From opengl.org |
| nkeynes@352 | 26 | * @param extension extension name to check for |
| nkeynes@352 | 27 | * @return TRUE if supported, otherwise FALSE. |
| nkeynes@352 | 28 | */ |
| nkeynes@352 | 29 | gboolean isGLExtensionSupported( const char *extension ); |
| nkeynes@352 | 30 | |
| nkeynes@352 | 31 | gboolean hasRequiredGLExtensions(); |
| nkeynes@352 | 32 | |
| nkeynes@352 | 33 | /** |
| nkeynes@477 | 34 | * Generic GL routine to draw the given frame buffer into a render buffer |
| nkeynes@352 | 35 | */ |
| nkeynes@477 | 36 | gboolean gl_load_frame_buffer( frame_buffer_t frame, render_buffer_t buffer ); |
| nkeynes@352 | 37 | |
| nkeynes@352 | 38 | /** |
| nkeynes@352 | 39 | * Generic GL routine to blank the display view with the specified colour. |
| nkeynes@352 | 40 | */ |
| nkeynes@352 | 41 | gboolean gl_display_blank( uint32_t colour ); |
| nkeynes@352 | 42 | |
| nkeynes@443 | 43 | /** |
| nkeynes@443 | 44 | * Write a rectangular texture (GL_TEXTURE_RECTANGLE_ARB) to the display frame |
| nkeynes@443 | 45 | */ |
| nkeynes@477 | 46 | void gl_display_render_buffer( render_buffer_t buffer ); |
| nkeynes@443 | 47 | |
| nkeynes@443 | 48 | /** |
| nkeynes@443 | 49 | * Redisplay the last frame. |
| nkeynes@443 | 50 | */ |
| nkeynes@443 | 51 | void gl_redisplay_last(); |
| nkeynes@352 | 52 | |
| nkeynes@352 | 53 | /** |
| nkeynes@352 | 54 | * Generic GL read_render_buffer. This function assumes that the caller |
| nkeynes@352 | 55 | * has already set the appropriate glReadBuffer(); in other words, unless |
| nkeynes@352 | 56 | * there's only one buffer this needs to be wrapped. |
| nkeynes@352 | 57 | */ |
| nkeynes@477 | 58 | gboolean gl_read_render_buffer( unsigned char *target, render_buffer_t buffer, |
| nkeynes@477 | 59 | int rowstride, int colour_format ); |
| nkeynes@352 | 60 | |
| nkeynes@352 | 61 | |
| nkeynes@352 | 62 | /****** FBO handling (gl_fbo.c) ******/ |
| nkeynes@352 | 63 | gboolean gl_fbo_is_supported(); |
| nkeynes@352 | 64 | void gl_fbo_shutdown(); |
| nkeynes@352 | 65 | void gl_fbo_init( display_driver_t driver ); |
| nkeynes@477 | 66 | void gl_fbo_detach(); |
| nkeynes@352 | 67 | |
| nkeynes@405 | 68 | /****** Shader handling (gl_sl.c) *****/ |
| nkeynes@405 | 69 | gboolean glsl_is_supported(void); |
| nkeynes@405 | 70 | gboolean glsl_load_shaders( const char *vert_shader, const char *frag_shader ); |
| nkeynes@405 | 71 | void glsl_unload_shaders(void); |
| nkeynes@405 | 72 | |
| nkeynes@405 | 73 | extern const char *glsl_vertex_shader_src; |
| nkeynes@405 | 74 | extern const char *glsl_fragment_shader_src; |
| nkeynes@405 | 75 | |
| nkeynes@352 | 76 | #endif /* !video_gl_common_H */ |
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