103 lines
2.8 KiB
C
103 lines
2.8 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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#include <windows.h>
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#include <stddef.h>
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#endif
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#ifdef _WIN32
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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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#define GL_GLEXT_LEGACY
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#if defined(__APPLE__) && defined(__MACH__)
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#include <OpenGL/gl.h>
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#include <OpenGL/glu.h>
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#else
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#define GL_GLEXT_PROTOTYPES
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# ifdef OGLES
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# include <GLES/gl.h>
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# else
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# include <GL/gl.h>
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# endif
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#endif
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# ifndef GL_CLAMP_TO_EDGE // hack for Mac OS 9, others?
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# define GL_CLAMP_TO_EDGE GL_CLAMP
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# endif
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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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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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void ogl_init_texture(ogl_texture* t, int w, int h, int flags);
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extern int ogl_rgba_internalformat;
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extern int ogl_rgb_internalformat;
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void ogl_init_shared_palette(void);
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extern int gl_initialized;
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extern int active_texture_unit;
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void ogl_setActiveTexture(int t);
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int ogl_init_window(int x, int y);//create a window/switch modes/etc
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#define OGL_FLAG_MIPMAP (1 << 0)
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#define OGL_FLAG_NOCOLOR (1 << 1)
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#define OGL_FLAG_ALPHA (1 << 31) // not required for ogl_loadbmtexture, since it uses the BM_FLAG_TRANSPARENT, but is needed for ogl_init_texture.
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void ogl_loadbmtexture_f(grs_bitmap *bm, int flags);
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void ogl_freebmtexture(grs_bitmap *bm);
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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_internal(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_cs(int x, int y,int dw, int dh, grs_bitmap *bm,int c, int scale);
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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, int mipmap);
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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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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_vertex_reticle(int cross,int primary,int secondary,int color,int alpha,int size_offs);
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#endif /* _OGL_INIT_H_ */
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