Kart-Public/src/hardware/hw_data.h
James R 4ad360155f Fix nonpacked to packed cast for OpenGL
(cherry picked from commit d2a7a87c7f39bd423fde7f8b4228082d12839583)
2020-04-11 22:10:05 -07:00

116 lines
4 KiB
C

// SONIC ROBO BLAST 2
//-----------------------------------------------------------------------------
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2019 by Sonic Team Junior.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file
/// \brief defines structures and exports for the standard GPU driver
#ifndef _HWR_DATA_
#define _HWR_DATA_
#include "../doomdef.h"
#include "../screen.h"
// ==========================================================================
// TEXTURE INFO
// ==========================================================================
//
// hw_glide.h
//
typedef long GLAspectRatio_t;
#define GR_ASPECT_LOG2_8x1 3 /* 8W x 1H */
#define GR_ASPECT_LOG2_4x1 2 /* 4W x 1H */
#define GR_ASPECT_LOG2_2x1 1 /* 2W x 1H */
#define GR_ASPECT_LOG2_1x1 0 /* 1W x 1H */
#define GR_ASPECT_LOG2_1x2 -1 /* 1W x 2H */
#define GR_ASPECT_LOG2_1x4 -2 /* 1W x 4H */
#define GR_ASPECT_LOG2_1x8 -3 /* 1W x 8H */
typedef long GLlod_t;
#define GR_LOD_LOG2_256 0x8
#define GR_LOD_LOG2_128 0x7
#define GR_LOD_LOG2_64 0x6
#define GR_LOD_LOG2_32 0x5
#define GR_LOD_LOG2_16 0x4
#define GR_LOD_LOG2_8 0x3
#define GR_LOD_LOG2_4 0x2
#define GR_LOD_LOG2_2 0x1
#define GR_LOD_LOG2_1 0x0
typedef long GLTextureFormat_t;
#define GR_TEXFMT_ALPHA_8 0x2 /* (0..0xFF) alpha */
#define GR_TEXFMT_INTENSITY_8 0x3 /* (0..0xFF) intensity */
#define GR_TEXFMT_ALPHA_INTENSITY_44 0x4
#define GR_TEXFMT_P_8 0x5 /* 8-bit palette */
#define GR_TEXFMT_RGB_565 0xa
#define GR_TEXFMT_ARGB_1555 0xb
#define GR_TEXFMT_ARGB_4444 0xc
#define GR_TEXFMT_ALPHA_INTENSITY_88 0xd
#define GR_TEXFMT_AP_88 0xe /* 8-bit alpha 8-bit palette */
#define GR_RGBA 0x6 // 32 bit RGBA !
typedef struct
{
GLlod_t smallLodLog2;
GLlod_t largeLodLog2;
GLAspectRatio_t aspectRatioLog2;
GLTextureFormat_t format;
void *data;
} GLTexInfo;
// grInfo.data holds the address of the graphics data cached in heap memory
// NULL if the texture is not in Doom heap cache.
struct GLMipmap_s
{
GLTexInfo grInfo;
unsigned long flags;
UINT16 width, height;
UINT32 downloaded; // tex_downloaded
struct GLMipmap_s *nextmipmap;
struct GLMipmap_s *nextcolormap;
const UINT8 *colormap;
};
typedef struct GLMipmap_s GLMipmap_t;
//
// Doom texture info, as cached for hardware rendering
//
struct GLTexture_s
{
GLMipmap_t mipmap;
float scaleX; //used for scaling textures on walls
float scaleY;
};
typedef struct GLTexture_s GLTexture_t;
// a cached patch as converted to hardware format, holding the original patch_t
// header so that the existing code can retrieve ->width, ->height as usual
// This is returned by W_CachePatchNum()/W_CachePatchName(), when rendermode
// is 'render_opengl'. Else it returns the normal patch_t data.
struct GLPatch_s
{
// the 4 first fields come right away from the original patch_t
INT16 width;
INT16 height;
INT16 leftoffset; // pixels to the left of origin
INT16 topoffset; // pixels below the origin
//
float max_s,max_t;
UINT16 wadnum; // the software patch lump num for when the hardware patch
UINT16 lumpnum; // was flushed, and we need to re-create it
GLMipmap_t *mipmap;
boolean notfound; // if the texture file was not found, mark it here (used in model texture loading)
} ATTRPACK;
typedef struct GLPatch_s GLPatch_t;
#endif //_HWR_DATA_