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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Copyright (C) Volition, Inc. 1999. All rights reserved.
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*
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* All source code herein is the property of Volition, Inc. You may not sell
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* or otherwise commercially exploit the source or things you created based on the
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* source.
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*
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*/
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#ifndef _GRINTERNAL_H
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#define _GRINTERNAL_H
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#include "graphics/font.h"
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#include "graphics/2d.h"
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#include "globalincs/pstypes.h" // IAM_64BIT
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#include "globalincs/globals.h" // just in case pstypes.h messed up
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extern ubyte Gr_original_palette[768]; // The palette
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extern ubyte Gr_current_palette[768];
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extern char Gr_current_palette_name[128];
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typedef struct color_gun {
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int bits;
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int shift;
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int scale;
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int mask;
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} color_gun;
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// screen format
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extern color_gun Gr_red, Gr_green, Gr_blue, Gr_alpha;
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// texture format
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extern color_gun Gr_t_red, Gr_t_green, Gr_t_blue, Gr_t_alpha;
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// alpha texture format
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extern color_gun Gr_ta_red, Gr_ta_green, Gr_ta_blue, Gr_ta_alpha;
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// CURRENT FORMAT - note - this is what bmpman uses when fiddling with pixels/colors. so be sure its properly set to one
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// of the above values
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extern color_gun *Gr_current_red, *Gr_current_green, *Gr_current_blue, *Gr_current_alpha;
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extern float Gr_gamma;
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extern int Gr_gamma_int;
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#define TCACHE_TYPE_AABITMAP 0 // HUD bitmap. All Alpha.
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#define TCACHE_TYPE_NORMAL 1 // Normal bitmap. Alpha = 0.
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#define TCACHE_TYPE_XPARENT 2 // Bitmap with 0,255,0 = transparent. Alpha=0 if transparent, 1 if not.
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#define TCACHE_TYPE_INTERFACE 3 // for graphics that are using in the interface (for special filtering or sizing)
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#define TCACHE_TYPE_COMPRESSED 4 // Compressed bitmap type (DXT1, DXT3, DXT5)
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#define TCACHE_TYPE_CUBEMAP 5
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#define NEBULA_COLORS 20
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typedef enum gr_texture_source {
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TEXTURE_SOURCE_NONE,
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TEXTURE_SOURCE_DECAL,
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TEXTURE_SOURCE_NO_FILTERING,
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TEXTURE_SOURCE_MODULATE4X
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} gr_texture_source;
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typedef enum gr_alpha_blend {
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ALPHA_BLEND_NONE, // 1*SrcPixel + 0*DestPixel
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ALPHA_BLEND_ADDITIVE, // 1*SrcPixel + 1*DestPixel
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ALPHA_BLEND_ALPHA_ADDITIVE, // Alpha*SrcPixel + 1*DestPixel
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ALPHA_BLEND_ALPHA_BLEND_ALPHA, // Alpha*SrcPixel + (1-Alpha)*DestPixel
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ALPHA_BLEND_ALPHA_BLEND_SRC_COLOR, // Alpha*SrcPixel + (1-SrcPixel)*DestPixel
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ALPHA_BLEND_PREMULTIPLIED // 1*SrcPixel + (1-Alpha)*DestPixel
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} gr_alpha_blend;
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typedef enum gr_zbuffer_type {
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ZBUFFER_TYPE_NONE,
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ZBUFFER_TYPE_READ,
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ZBUFFER_TYPE_WRITE,
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ZBUFFER_TYPE_FULL,
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ZBUFFER_TYPE_DEFAULT
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} gr_zbuffer_type;
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typedef enum gr_stencil_type {
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STENCIL_TYPE_NONE,
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STENCIL_TYPE_READ,
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STENCIL_TYPE_WRITE
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} gr_stencil_type;
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#endif
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