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/*
* Mesa 3-D graphics library
* Version: 4.0
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* Authors:
* David Bucciarelli
* Brian Paul
* Daryll Strauss
* Keith Whitwell
* Daniel Borca
* Hiroshi Morii
*/
#ifndef __FX_GLIDE_WARPER__
#define __FX_GLIDE_WARPER__
#include "fxg.h"
#ifndef FX_PACKEDCOLOR
#define FX_PACKEDCOLOR 1
#endif
#define MAX_NUM_SST 4
enum {
GR_SSTTYPE_VOODOO = 0,
GR_SSTTYPE_SST96 = 1,
GR_SSTTYPE_AT3D = 2,
GR_SSTTYPE_Voodoo2 = 3,
GR_SSTTYPE_Banshee = 4,
GR_SSTTYPE_Voodoo3 = 5,
GR_SSTTYPE_Voodoo4 = 6,
GR_SSTTYPE_Voodoo5 = 7
};
#define GrState void
typedef int GrSstType;
typedef struct GrTMUConfig_St {
int tmuRev; /* Rev of Texelfx chip */
int tmuRam; /* 1, 2, or 4 MB */
} GrTMUConfig_t;
typedef struct {
int num_sst; /* # of HW units in the system */
struct SstCard_St {
GrSstType type; /* Which hardware is it? */
int fbRam; /* 1, 2, or 4 MB */
int fbiRev; /* Rev of Pixelfx chip */
int nTexelfx; /* How many texelFX chips are there? */
int numChips; /* Number of Voodoo chips */
GrTMUConfig_t tmuConfig[GLIDE_NUM_TMU]; /* Configuration of the Texelfx chips */
/* Glide3 extensions */
FxBool HavePalExt; /* PALETTE6666 */
FxBool HavePixExt; /* PIXEXT */
FxBool HaveTexFmt; /* TEXFMT */
FxBool HaveCmbExt; /* COMBINE */
FxBool HaveMirExt; /* TEXMIRROR */
FxBool HaveTexUma; /* TEXUMA */
}
SSTs[MAX_NUM_SST]; /* configuration for each board */
struct tdfx_glide Glide;
} GrHwConfiguration;
typedef FxU32 GrHint_t;
#define GR_HINTTYPE_MIN 0
#define GR_HINT_STWHINT 0
typedef FxU32 GrSTWHint_t;
#define GR_STWHINT_W_DIFF_FBI FXBIT(0)
#define GR_STWHINT_W_DIFF_TMU0 FXBIT(1)
#define GR_STWHINT_ST_DIFF_TMU0 FXBIT(2)
#define GR_STWHINT_W_DIFF_TMU1 FXBIT(3)
#define GR_STWHINT_ST_DIFF_TMU1 FXBIT(4)
#define GR_STWHINT_W_DIFF_TMU2 FXBIT(5)
#define GR_STWHINT_ST_DIFF_TMU2 FXBIT(6)
#define GR_CONTROL_ACTIVATE 1
#define GR_CONTROL_DEACTIVATE 0
/*
** move the vertex layout defintion to application
*/
typedef struct {
float sow; /* s texture ordinate (s over w) */
float tow; /* t texture ordinate (t over w) */
float oow; /* 1/w (used mipmapping - really 0xfff/w) */
} GrTmuVertex;
#if FX_PACKEDCOLOR
typedef struct {
float x, y; /* X and Y in screen space */
float ooz; /* 65535/Z (used for Z-buffering) */
float oow; /* 1/W (used for W-buffering, texturing) */
unsigned char pargb[4]; /* B, G, R, A [0..255] */
GrTmuVertex tmuvtx[GLIDE_NUM_TMU];
float fog; /* fog coordinate */
unsigned char pspec[4]; /* B, G, R, A [0..255] */
float psize; /* point size */
long pad[16 - 14]; /* ensure 64b structure */
} GrVertex;
#define GR_VERTEX_X_OFFSET 0
#define GR_VERTEX_Y_OFFSET 1
#define GR_VERTEX_OOZ_OFFSET 2
#define GR_VERTEX_OOW_OFFSET 3
#define GR_VERTEX_PARGB_OFFSET 4
#define GR_VERTEX_SOW_TMU0_OFFSET 5
#define GR_VERTEX_TOW_TMU0_OFFSET 6
#define GR_VERTEX_OOW_TMU0_OFFSET 7
#define GR_VERTEX_SOW_TMU1_OFFSET 8
#define GR_VERTEX_TOW_TMU1_OFFSET 9
#define GR_VERTEX_OOW_TMU1_OFFSET 10
#define GR_VERTEX_FOG_OFFSET 11
#define GR_VERTEX_PSPEC_OFFSET 12
#else /* !FX_PACKEDCOLOR */
typedef struct {
float x, y; /* X and Y in screen space */
float ooz; /* 65535/Z (used for Z-buffering) */
float oow; /* 1/W (used for W-buffering, texturing) */
float r, g, b, a; /* R, G, B, A [0..255] */
GrTmuVertex tmuvtx[GLIDE_NUM_TMU];
float fog; /* fog coordinate */
float r1, g1, b1; /* R, G, B [0..255] */
float psize; /* point size */
long pad[20 - 19]; /* ensure multiple of 16 */
} GrVertex;
#define GR_VERTEX_X_OFFSET 0
#define GR_VERTEX_Y_OFFSET 1
#define GR_VERTEX_OOZ_OFFSET 2
#define GR_VERTEX_OOW_OFFSET 3
#define GR_VERTEX_RGB_OFFSET 4
#define GR_VERTEX_A_OFFSET 7
#define GR_VERTEX_SOW_TMU0_OFFSET 8
#define GR_VERTEX_TOW_TMU0_OFFSET 9
#define GR_VERTEX_OOW_TMU0_OFFSET 10
#define GR_VERTEX_SOW_TMU1_OFFSET 11
#define GR_VERTEX_TOW_TMU1_OFFSET 12
#define GR_VERTEX_OOW_TMU1_OFFSET 13
#define GR_VERTEX_FOG_OFFSET 14
#define GR_VERTEX_SPEC_OFFSET 15
#endif /* !FX_PACKEDCOLOR */
/*
* For Lod/LodLog2 conversion.
*/
#define FX_largeLodLog2(info) (info).largeLodLog2
#define FX_aspectRatioLog2(info) (info).aspectRatioLog2
#define FX_smallLodLog2(info) (info).smallLodLog2
#define FX_lodToValue(val) ((int)(GR_LOD_LOG2_256-val))
#define FX_largeLodValue(info) ((int)(GR_LOD_LOG2_256-(info).largeLodLog2))
#define FX_smallLodValue(info) ((int)(GR_LOD_LOG2_256-(info).smallLodLog2))
#define FX_valueToLod(val) ((GrLOD_t)(GR_LOD_LOG2_256-val))
/*
* Query
*/
extern int FX_grSstScreenWidth(void);
extern int FX_grSstScreenHeight(void);
extern void FX_grSstPerfStats(GrSstPerfStats_t *st);
extern int FX_grSstQueryHardware(GrHwConfiguration *config);
#define FX_grGetInteger FX_grGetInteger_NoLock
extern FxI32 FX_grGetInteger_NoLock(FxU32 pname);
/*
* GrHints
*/
#define FX_grHints FX_grHints_NoLock
extern void FX_grHints_NoLock(GrHint_t hintType, FxU32 hintMask);
/*
* Needed for Glide3 only, to set up Glide2 compatible vertex layout.
*/
extern void FX_setupGrVertexLayout(void);
/*
* grSstControl stuff
*/
extern FxBool FX_grSstControl(FxU32 code);
#define FX_grBufferClear(c, a, d) \
do { \
BEGIN_CLIP_LOOP(); \
grBufferClear(c, a, d); \
END_CLIP_LOOP(); \
} while (0)
#endif /* __FX_GLIDE_WARPER__ */
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