2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
19 //What graphics modes the game & editor open
21 //for Screen_mode variable
22 #define SCREEN_MENU 0 //viewing the menu screen
23 #define SCREEN_GAME 1 //viewing the menu screen
24 #define SCREEN_EDITOR 2 //viewing the editor screen
27 extern grs_canvas *Canv_editor; //the full on-scrren editor canvas
28 extern grs_canvas *Canv_editor_game; //the game window on the editor screen
31 extern int set_screen_mode(int sm); // True = editor screen
34 extern ubyte VR_screen_flags;
35 extern ubyte VR_current_page;
36 extern fix VR_eye_width;
37 extern int VR_eye_switch;
39 //NEWVR (Add a bunch off lines)
40 #define VR_SEPARATION F1_0*7/10
41 #define VR_PIXEL_SHIFT -6
42 #define VR_WHITE_INDEX 255
43 #define VR_BLACK_INDEX 0
44 extern int VR_eye_offset;
45 extern int VR_eye_offset_changed;
46 extern void VR_reset_params();
47 extern int VR_use_reg_code;
50 extern int VR_screen_mode;
51 extern int VR_render_mode;
52 extern int VR_low_res;
53 extern int VR_show_hud;
54 extern int VR_sensitivity;
56 extern grs_canvas *VR_offscreen_buffer; // The offscreen data buffer
57 extern grs_canvas VR_render_buffer[2]; // Two offscreen buffers for left/right eyes.
58 extern grs_canvas VR_render_sub_buffer[2]; // Two sub buffers for left/right eyes.
59 extern grs_canvas VR_screen_pages[2]; // Two pages of VRAM if paging is available
60 extern grs_canvas VR_screen_sub_pages[2]; // Two sub pages of VRAM if paging is available
62 //values for VR_screen_flags
64 #define VRF_USE_PAGING 1 //means page flips
65 #define VRF_SWITCH_EYES 2
66 #define VRF_COMPATIBLE_MENUS 4
67 #define VRF_ALLOW_COCKPIT 8
69 //values for VR_render_mode
71 #define VR_NONE 0 //viewing the game screen
72 #define VR_AREA_DET 1 //viewing with the stereo area determined method
73 #define VR_INTERLACED 2 //viewing with the stereo interlaced method
75 void game_init_render_buffers(int screen_mode, int render_max_w, int render_max_h, int render_method, int flags );
76 void game_init_render_sub_buffers(int x, int y, int w, int h);
78 void set_display_mode(int mode);
79 extern int Default_display_mode; //cannot be -1
81 // -1: some special VR mode.
89 //called to get the screen in a mode compatible with popup menus.
90 //if we can't have popups over the game screen, switch to menu mode.
91 void set_popup_screen(void);