108 lines
3 KiB
C
108 lines
3 KiB
C
/* interface to OpenGL functions
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* Added 9/15/99 Matthew Mueller
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* Got rid of OpenGL-internal stuff 2004-5-16 Martin Schaffner
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*/
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#ifndef _OGL_INIT_H_
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#define _OGL_INIT_H_
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#ifdef _MSC_VER
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# undef MAC // dirty feckin hack
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#include <windows.h>
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#include <stddef.h>
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# define MAC(x)
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#endif
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//#ifdef _WIN32
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//#define OGL_RUNTIME_LOAD
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//#endif
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#ifdef OGL_RUNTIME_LOAD
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#include "loadgl.h"
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int ogl_init_load_library(void);
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#else
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#if defined(__APPLE__) && defined(__MACH__)
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#include <OpenGL/gl.h>
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#else
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#include <GL/gl.h>
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#endif
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//######hack, since multi texture support is not working
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#undef GL_ARB_multitexture
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#undef GL_SGIS_multitexture
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#endif
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#ifndef GL_VERSION_1_1
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#ifdef GL_EXT_texture
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#define GL_INTENSITY4 GL_INTENSITY4_EXT
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#define GL_INTENSITY8 GL_INTENSITY8_EXT
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#endif
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#endif
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#include "gr.h"
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#include "palette.h"
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#include "pstypes.h"
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/* we need to export ogl_texture for 2d/font.c */
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typedef struct _ogl_texture {
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GLuint handle;
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GLint internalformat;
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GLenum format;
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int w,h,tw,th,lw;
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int bytesu;
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int bytes;
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GLfloat u,v;
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GLfloat prio;
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int wrapstate;
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fix lastrend;
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unsigned long numrend;
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char wantmip;
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} ogl_texture;
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extern ogl_texture* ogl_get_free_texture();
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extern int ogl_alttexmerge;//merge textures by just printing the seperate textures?
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extern int ogl_rgba_format;
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extern int ogl_intensity4_ok;
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extern int ogl_luminance4_alpha4_ok;
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extern int ogl_rgba2_ok;
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extern int ogl_readpixels_ok;
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extern int ogl_gettexlevelparam_ok;
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extern int gl_initialized;
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extern int GL_texmagfilt,GL_texminfilt,GL_needmipmaps;
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extern int gl_reticle;
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int ogl_check_mode(int x, int y); // check if mode is valid
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int ogl_init_window(int x, int y);//create a window/switch modes/etc
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void ogl_destroy_window(void);//destroy window/etc
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void ogl_init(void);//one time initialization
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void ogl_close(void);//one time shutdown
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void ogl_loadbmtexture_m(grs_bitmap *bm,int domipmap);
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void ogl_freebmtexture(grs_bitmap *bm);
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void ogl_start_offscreen_render(int x, int y, int w, int h);
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void ogl_end_offscreen_render(void);
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void ogl_start_frame(void);
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void ogl_end_frame(void);
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void ogl_swap_buffers(void);
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void ogl_set_screen_mode(void);
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void ogl_cache_level_textures(void);
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void ogl_urect(int left, int top, int right, int bot);
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bool ogl_ubitmapm_c(int x, int y, grs_bitmap *bm, int c);
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bool ogl_ubitmapm(int x, int y, grs_bitmap *bm);
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bool ogl_ubitblt_i(int dw, int dh, int dx, int dy, int sw, int sh, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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bool ogl_ubitblt(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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bool ogl_ubitblt_tolinear(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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bool ogl_ubitblt_copy(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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void ogl_upixelc(int x, int y, int c);
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void ogl_ulinec(int left, int top, int right, int bot, int c);
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#include "3d.h"
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bool g3_draw_tmap_2(int nv,g3s_point **pointlist,g3s_uvl *uvl_list,grs_bitmap *bmbot,grs_bitmap *bm, int orient);
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void ogl_draw_reticle(int cross, int primary, int secondary);
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#endif /* _OGL_INIT_H_ */
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