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# alleggl.h

Go to the documentation of this file.

    00001
    00005 #ifndef _allegrogl_included_alleggl_h
    00006 #define _allegrogl_included_alleggl_h
    00007
    00008 #include <allegro.h>
    00009
    00010 #ifdef ALLEGRO_WINDOWS
    00011
    00012 #ifndef WIN32_LEAN_AND_MEAN
    00013 #define WIN32_LEAN_AND_MEAN
    00014 #define WIN32_LEAN_AND_MEAN_defined
    00015 #endif /* WIN32_LEAN_AND_MEAN */
    00016
    00017 #ifdef ALLEGRO_DMC
    00018 typedef int32_t INT32;
    00019 typedef __int64 INT64;
    00020 #endif
    00021
    00022 #include <winalleg.h>
    00023
    00024 #ifdef WIN32_LEAN_AND_MEAN_defined
    00025 #undef WIN32_LEAN_AND_MEAN_defined
    00026 #undef WIN32_LEAN_AND_MEAN
    00027 #endif /* WIN32_LEAN_AND_MEAN_defined */
    00028
    00029 #endif /* ALLEGRO_WINDOWS */
    00030
    00031
    00032 #if (defined ALLEGRO_GL_DYNAMIC) && (defined ALLEGRO_WINDOWS)
    00033     #ifdef ALLEGRO_GL_SRC_BUILD
    00034         #define _AGL_DLL __declspec(dllexport)
    00035     #else
    00036         #define _AGL_DLL __declspec(dllimport)
    00037     #endif /* ALLEGRO_GL_SRC_BUILD */
    00038 #else
    00039     #define _AGL_DLL
    00040 #endif /* (defined ALLEGRO_GL_DYNAMIC) && (defined ALLEGRO_WINDOWS) */
    00041
    00042 #define AGL_VAR(type, name) extern _AGL_DLL type name
    00043
    00044 #if (defined ALLEGRO_GL_DYNAMIC) && (defined ALLEGRO_WINDOWS)
    00045     #define AGL_FUNC(type, name, args) extern _AGL_DLL type __cdecl name args
    00046 #else
    00047     #define AGL_FUNC(type, name, args) extern type name args
    00048 #endif /* (defined ALLEGRO_GL_DYNAMIC) && (defined ALLEGRO_WINDOWS) */
    00049
    00050
    00051 #ifdef ALLEGRO_MACOSX
    00052
    00053 #include <OpenGL/OpenGL.h>
    00054 #include <OpenGL/gl.h>
    00055 #include <OpenGL/glext.h>
    00056
    00057 #ifndef GL_GLEXT_PROTOTYPES
    00058 #define GL_GLEXT_PROTOTYPES
    00059 #endif
    00060
    00061 #else /* ALLEGRO_MACOSX */
    00062
    00063 /* HACK: Prevent both Mesa and SGI's broken headers from screwing us */
    00064 #define __glext_h_
    00065 #define __glxext_h_
    00066 #include <GL/gl.h>
    00067 #undef  __glext_h_
    00068 #undef  __glxext_h_
    00069
    00070 #endif /* ALLEGRO_MACOSX */
    00071
    00072
    00073 #include "allegrogl/gl_ext.h"
    00074
    00075 #ifdef ALLEGRO_WITH_XWINDOWS
    00076 #if (ALLEGRO_SUB_VERSION == 2) && (ALLEGRO_WIP_VERSION < 2)
    00077 #   ifndef HAVE_LIBPTHREAD
    00078 #      error AllegroGL requires Allegro to have pthread support enabled!
    00079 #   endif
    00080 #else
    00081 #   ifndef ALLEGRO_HAVE_LIBPTHREAD
    00082 #      error AllegroGL requires Allegro to have pthread support enabled!
    00083 #   endif
    00084 #endif
    00085 #include "allegrogl/alleggl_config.h"
    00086 #endif
    00087
    00088
    00093 #define AGL_VERSION     0
    00094 #define AGL_SUB_VERSION 4
    00095 #define AGL_WIP_VERSION 4
    00096 #define AGL_VERSION_STR "0.4.4"
    00097
    00100 /* Version Check */
    00101 #if (ALLEGRO_VERSION < 4 || (ALLEGRO_VERSION == 4 && ALLEGRO_SUB_VERSION < 2))
    00102     #error AllegroGL requires Allegro 4.2.0 or later to compile!
    00103 #endif
    00104 #ifndef GL_VERSION_1_1
    00105     #error AllegroGL requires OpenGL 1.1 libraries or later to compile!
    00106 #endif
    00107
    00108
    00109 #ifdef __cplusplus
    00110 extern "C" {
    00111 #endif
    00112
    00113 #ifdef ALLEGRO_WINDOWS
    00114
    00115 /* Missing #defines from Mingw */
    00116 #ifndef PFD_SWAP_LAYER_BUFFERS
    00117 #define PFD_SWAP_LAYER_BUFFERS  0x00000800
    00118 #endif
    00119
    00120 #ifndef PFD_GENERIC_ACCELERATED
    00121 #define PFD_GENERIC_ACCELERATED 0x00001000
    00122 #endif
    00123
    00124 #ifndef PFD_SUPPORT_DIRECTDRAW
    00125 #define PFD_SUPPORT_DIRECTDRAW  0x00002000
    00126 #endif
    00127
    00128 #ifndef CDS_FULLSCREEN
    00129 #define CDS_FULLSCREEN      0x00000004
    00130 #endif
    00131
    00132 #ifndef ENUM_CURRENT_SETTINGS
    00133 #define ENUM_CURRENT_SETTINGS       ((DWORD)-1)
    00134 #endif
    00135
    00136 #endif
    00137
    00138
    00139 #define AGL_ERROR_SIZE 256
    00140 AGL_VAR(char, allegro_gl_error[AGL_ERROR_SIZE]);
    00141
    00142
    00152 AGL_FUNC(int, install_allegro_gl, (void));
    00153 AGL_FUNC(void, remove_allegro_gl, (void));
    00154
    00155 AGL_FUNC(void, allegro_gl_flip, (void));
    00156 AGL_FUNC(float, allegro_gl_opengl_version, (void));
    00157
    00166 #define allegro_gl_begin() ;
    00167
    00176 #define allegro_gl_end() ;
    00177
    00189 #define AGL_ALLEGRO_FORMAT  0x00000001
    00190
    00195 #define AGL_RED_DEPTH       0x00000002
    00196
    00201 #define AGL_GREEN_DEPTH     0x00000004
    00202
    00207 #define AGL_BLUE_DEPTH      0x00000008
    00208
    00214 #define AGL_ALPHA_DEPTH     0x00000010
    00215
    00219 #define AGL_COLOR_DEPTH     0x00000020
    00220
    00221
    00227 #define AGL_ACC_RED_DEPTH   0x00000040
    00228
    00234 #define AGL_ACC_GREEN_DEPTH 0x00000080
    00235
    00236
    00242 #define AGL_ACC_BLUE_DEPTH  0x00000100
    00243
    00244
    00250 #define AGL_ACC_ALPHA_DEPTH 0x00000200
    00251
    00256 #define AGL_DOUBLEBUFFER    0x00000400
    00257
    00265 #define AGL_STEREO          0x00000800
    00266
    00267
    00271 #define AGL_AUX_BUFFERS     0x00001000
    00272
    00273
    00278 #define AGL_Z_DEPTH         0x00002000
    00279
    00280
    00287 #define AGL_STENCIL_DEPTH   0x00004000
    00288
    00292 #define AGL_WINDOW_X        0x00008000
    00293
    00296 #define AGL_WINDOW_Y        0x00010000
    00297
    00306 #define AGL_RENDERMETHOD    0x00020000
    00307
    00311 #define AGL_FULLSCREEN      0x00040000
    00312
    00316 #define AGL_WINDOWED        0x00080000
    00317
    00333 #define AGL_VIDEO_MEMORY_POLICY     0x00100000
    00334
    00357 #define AGL_SAMPLE_BUFFERS  0x00200000
    00358
    00365 #define AGL_SAMPLES        0x00400000
    00366
    00371 #define AGL_FLOAT_COLOR    0x00800000
    00372
    00375 #define AGL_FLOAT_Z        0x01000000
    00376
    00377
    00378
    00379 /* XXX <rohannessian> I'm reserving 2 bits here for later expansion. DO NOT USE
    00380  * without consulting me first.
    00381  */
    00382 #define AGL_CONFIG_RESRVED 0xA000000
    00383
    00384
    00387 #define AGL_DONTCARE   0
    00388 #define AGL_SUGGEST   -1
    00389 #define AGL_REQUIRE   -2
    00390
    00395 #define AGL_KEEP    1
    00396 #define AGL_RELEASE 2
    00397
    00402 AGL_FUNC(void, allegro_gl_clear_settings, (void));
    00403 AGL_FUNC(void, allegro_gl_set, (int option, int value));
    00404 AGL_FUNC(int,  allegro_gl_get, (int option));
    00405 AGL_FUNC(void, allegro_gl_save_settings, (void));
    00406 AGL_FUNC(void, allegro_gl_load_settings, (void));
    00423 #if defined DOXYGEN  /* Is this a documentation scan? */
    00424
    00429 # define GFX_OPENGL_WINDOWED
    00430
    00431 # define GFX_OPENGL_FULLSCREEN
    00432
    00433   #define GFX_OPENGL
    00434
    00437 #else
    00438
    00439 #if defined ALLEGROGL_GENERIC_DRIVER
    00440   /* Allegro is able to determine at run-time if windowed or fullscreen modes
    00441      are available */
    00442   #define GFX_OPENGL_WINDOWED               AL_ID('O','G','L','W')
    00443   #define GFX_OPENGL_FULLSCREEN             AL_ID('O','G','L','F')
    00444
    00445 #else
    00446 #if defined _WIN32
    00447   /* Windows always supports fullscreen */
    00448   #define GFX_OPENGL_WINDOWED               AL_ID('O','G','L','W')
    00449   #define GFX_OPENGL_FULLSCREEN             AL_ID('O','G','L','F')
    00450
    00451 #elif defined ALLEGRO_WITH_XWINDOWS
    00452   /* X always supports fullscreen */
    00453   #define GFX_OPENGL_WINDOWED               AL_ID('O','G','L','W')
    00454   #define GFX_OPENGL_FULLSCREEN             AL_ID('O','G','L','F')
    00455
    00456 #elif defined ALLEGRO_MACOSX
    00457   /* MacOS X always supports fullscreen */
    00458   #define GFX_OPENGL_WINDOWED               AL_ID('O','G','L','W')
    00459   #define GFX_OPENGL_FULLSCREEN             AL_ID('O','G','L','F')
    00460
    00461 #else
    00462   #warning Unknown or unsupported platform.
    00463 #endif
    00464 #endif
    00465
    00466 #define GFX_OPENGL                  AL_ID('O','G','L','D')
    00467
    00468 #endif
    00469
    00470
    00471 /* Declare graphics driver objects */
    00472 extern GFX_DRIVER gfx_allegro_gl_default;
    00473 #ifdef GFX_OPENGL_WINDOWED
    00474 extern GFX_DRIVER gfx_allegro_gl_windowed;
    00475 #endif
    00476 #ifdef GFX_OPENGL_FULLSCREEN
    00477 extern GFX_DRIVER gfx_allegro_gl_fullscreen;
    00478 #endif
    00479
    00480
    00488 AGL_FUNC(GLint, allegro_gl_set_video_bitmap_color_depth, (int bpp));
    00500 AGL_FUNC(int, allegro_gl_use_mipmapping, (int enable));
    00501 AGL_FUNC(int, allegro_gl_use_alpha_channel, (int enable));
    00502 AGL_FUNC(int, allegro_gl_flip_texture, (int enable));
    00503 AGL_FUNC(int, allegro_gl_check_texture, (BITMAP *bmp));
    00504 AGL_FUNC(int, allegro_gl_check_texture_ex, (int flags, BITMAP *bmp,
    00505                                        GLint internal_format));
    00506 AGL_FUNC(GLint, allegro_gl_get_texture_format, (BITMAP *bmp));
    00507 AGL_FUNC(GLint, allegro_gl_set_texture_format, (GLint format));
    00508 AGL_FUNC(GLenum, allegro_gl_get_bitmap_type, (BITMAP *bmp));
    00509 AGL_FUNC(GLenum, allegro_gl_get_bitmap_color_format, (BITMAP *bmp));
    00510 AGL_FUNC(GLuint, allegro_gl_make_texture, (BITMAP *bmp));
    00511 AGL_FUNC(GLuint, allegro_gl_make_masked_texture, (BITMAP *bmp));
    00512 AGL_FUNC(GLuint, allegro_gl_make_texture_ex,(int flags, BITMAP *bmp,
    00513                                          GLint internal_format));
    00514
    00515
    00518 #define AGL_TEXTURE_MIPMAP      0x01
    00519
    00523 #define AGL_TEXTURE_HAS_ALPHA   0x02
    00524
    00529 #define AGL_TEXTURE_FLIP        0x04
    00530
    00534 #define AGL_TEXTURE_MASKED      0x08
    00535
    00540 #define AGL_TEXTURE_RESCALE     0x10
    00541
    00542
    00545 #define AGL_TEXTURE_ALPHA_ONLY  0x20
    00546
    00557 AGL_FUNC(void, allegro_gl_set_allegro_mode, (void));
    00558 AGL_FUNC(void, allegro_gl_unset_allegro_mode, (void));
    00559 AGL_FUNC(void, allegro_gl_set_projection, (void));
    00560 AGL_FUNC(void, allegro_gl_unset_projection, (void));
    00574 AGL_FUNC(void, allegro_gl_MATRIX_to_GLfloat, (MATRIX *m, GLfloat gl[16]));
    00575 AGL_FUNC(void, allegro_gl_MATRIX_to_GLdouble, (MATRIX *m, GLdouble gl[16]));
    00576 AGL_FUNC(void, allegro_gl_MATRIX_f_to_GLfloat, (MATRIX_f *m, GLfloat gl[16]));
    00577 AGL_FUNC(void, allegro_gl_MATRIX_f_to_GLdouble, (MATRIX_f *m, GLdouble gl[16]));
    00578
    00579 AGL_FUNC(void, allegro_gl_GLfloat_to_MATRIX, (GLfloat gl[16], MATRIX *m));
    00580 AGL_FUNC(void, allegro_gl_GLdouble_to_MATRIX, (GLdouble gl[16], MATRIX *m));
    00581 AGL_FUNC(void, allegro_gl_GLfloat_to_MATRIX_f, (GLfloat gl[16], MATRIX_f *m));
    00582 AGL_FUNC(void, allegro_gl_GLdouble_to_MATRIX_f, (GLdouble gl[16], MATRIX_f *m));
    00583
    00588 AGL_FUNC(void, allegro_gl_apply_quat, (QUAT *q));
    00589 AGL_FUNC(void, allegro_gl_quat_to_glrotatef, (QUAT *q, float *angle,
    00590                                          float *x, float *y, float *z));
    00591 AGL_FUNC(void, allegro_gl_quat_to_glrotated, (QUAT *q, double *angle,
    00592                                          double *x, double *y, double *z));
    00614 /* These define the supported font types */
    00618 #define AGL_FONT_TYPE_DONT_CARE     -1
    00619
    00629 #define AGL_FONT_TYPE_BITMAP         0
    00630
    00641 #define AGL_FONT_TYPE_OUTLINE        1
    00642
    00653 #define AGL_FONT_TYPE_TEXTURED       2
    00654
    00655
    00656 /* These defines the font styles for system generated fonts */
    00661 #define AGL_FONT_STYLE_BOLD          1
    00662
    00666 #define AGL_FONT_STYLE_BLACK         2
    00667
    00671 #define AGL_FONT_STYLE_ITALIC        4
    00672
    00676 #define AGL_FONT_STYLE_UNDERLINE     8
    00677
    00681 #define AGL_FONT_STYLE_STRIKEOUT    16
    00682
    00688 #define AGL_FONT_STYLE_ANTI_ALIASED 32
    00689
    00696 #define AGL_FONT_POLYGONS 1
    00697
    00698
    00705 #define AGL_FONT_LINES    2
    00706
    00707
    00708 AGL_FUNC(int, allegro_gl_printf, (AL_CONST FONT *f, float x, float y, float z,
    00709                              int color, AL_CONST char *format, ...));
    00710 AGL_FUNC(int, allegro_gl_printf_ex, (AL_CONST FONT *f, float x, float y, float z,
    00711                              AL_CONST char *format, ...));
    00712 AGL_FUNC(FONT*, allegro_gl_convert_allegro_font, (FONT *f, int type, float scale));
    00713 AGL_FUNC(FONT*, allegro_gl_convert_allegro_font_ex, (FONT *f, int type, float scale,
    00714                                                 GLint format));
    00715
    00716 AGL_FUNC(void, allegro_gl_set_font_generation_mode, (int mode));
    00717 AGL_FUNC(FONT*, allegro_gl_load_system_font, (char *name, int style, int w, int h));
    00718 AGL_FUNC(FONT*, allegro_gl_load_system_font_ex, (char *name, int type, int style,
    00719                                  int w, int h, float depth, int start, int end));
    00720 AGL_FUNC(void, allegro_gl_destroy_font, (FONT *f));
    00721 AGL_FUNC(size_t, allegro_gl_list_font_textures, (FONT *f, GLuint *ids, size_t max_num_id));
    00743 #if defined DOXYGEN  /* Is this a documentation scan? */
    00744
    00751 #define AGL_DEFINE_PROC_TYPE
    00752
    00753 #else
    00754
    00755 AGL_FUNC(int, allegro_gl_is_extension_supported, (const char *));
    00756 AGL_FUNC(void*, allegro_gl_get_proc_address, (const char *));
    00757
    00758 #if defined ALLEGRO_WINDOWS
    00759     #define AGL_DEFINE_PROC_TYPE(type, name, args) \
    00760         typedef type (APIENTRY * name) args;
    00761 #else
    00762     #define AGL_DEFINE_PROC_TYPE(type, name, args) \
    00763         typedef type (*name) args;
    00764 #endif
    00765
    00766 #endif
    00767
    00789 AGL_FUNC(int, algl_do_dialog, (DIALOG *dialog, int focus_obj));
    00790 AGL_FUNC(int, algl_popup_dialog, (DIALOG *dialog, int focus_obj));
    00791 AGL_FUNC(void, algl_draw_mouse, (void));
    00792 AGL_FUNC(void, algl_set_mouse_drawer, (void (*user_draw_mouse)(void)));
    00793 AGL_FUNC(int, algl_alert, (AL_CONST char *s1, AL_CONST char *s2, AL_CONST char *s3,
    00794                       AL_CONST char *b1, AL_CONST char *b2, int c1, int c2));
    00795 AGL_FUNC(int, algl_alert3, (AL_CONST char *s1, AL_CONST char *s2, AL_CONST char *s3,
    00796                        AL_CONST char *b1, AL_CONST char *b2, AL_CONST char *b3,
    00797                        int c1, int c2, int c3));
    00798 AGL_FUNC(int, d_algl_viewport_proc, (int msg, DIALOG *d, int c));
    00799
    00804 #ifdef __cplusplus
    00805 }
    00806 #endif
    00807
    00808
    00809 /* Fixes to MS's (or SGI?) broken GL headers */
    00810 #ifdef GL_VERSION_1_1
    00811 #ifndef GL_TEXTURE_BINDING_2D
    00812
    00813 #ifdef GL_TEXTURE_2D_BINDING
    00814 #define GL_TEXTURE_BINDING_2D GL_TEXTURE_2D_BINDING
    00815 #endif
    00816
    00817 #else
    00818
    00819 #ifdef GL_TEXTURE_BINDING_2D
    00820 #define GL_TEXTURE_2D_BINDING GL_TEXTURE_BINDING_2D
    00821 #endif
    00822
    00823 #endif
    00824
    00825 #ifndef GL_TEXTURE_BINDING_2D
    00826 #warning "GL_TEXTURE_BINDING_2D or GL_TEXTURE_2D_BINDING isn't defined by your"
    00827 #warning "OpenGL headers. Make sure you have a genuine set of headers for"
    00828 #warning "OpenGL 1.1 (or greater)"
    00829 #endif
    00830 #endif
    00831
    00832 #endif
    00833