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/*
* Mesa 3-D graphics library
* Version: 3.1
*
* Copyright (C) 1999 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.
*/
#ifndef __FX_GLIDE_WARPER__
#define __FX_GLIDE_WARPER__
#include <glide.h>
/*
* General context:
*/
#if !defined(FX_GLIDE3)
typedef FxU32 FX_GrContext_t; /* Not used in Glide2 */
#else
typedef GrContext_t FX_GrContext_t;
#endif
/*
* Glide3 emulation on Glide2:
*/
#if !defined(FX_GLIDE3)
/* Constanst for FX_grGetInteger( ) */
#define FX_FOG_TABLE_ENTRIES 0x0004 /* The number of entries in the hardware fog table. */
#define FX_GLIDE_STATE_SIZE 0x0006 /* Size of buffer, in bytes, needed to save Glide state. */
#define FX_LFB_PIXEL_PIPE 0x0009 /* 1 if LFB writes can go through the 3D pixel pipe. */
#define FX_PENDING_BUFFERSWAPS 0x0014 /* The number of buffer swaps pending. */
#else
#define FX_FOG_TABLE_ENTRIES GR_FOG_TABLE_ENTRIES
#define FX_GLIDE_STATE_SIZE GR_GLIDE_STATE_SIZE
#define FX_LFB_PIXEL_PIPE GR_LFB_PIXEL_PIPE
#define FX_PENDING_BUFFERSWAPS GR_PENDING_BUFFERSWAPS
#endif
/*
* Genral warper functions for Glide2/Glide3:
*/
extern FxI32 FX_grGetInteger(FxU32 pname);
/*
* Glide2 emulation on Glide3:
*/
#if defined(FX_GLIDE3)
#define GR_ASPECT_1x1 GR_ASPECT_LOG2_1x1
#define GR_ASPECT_2x1 GR_ASPECT_LOG2_2x1
#define GR_ASPECT_4x1 GR_ASPECT_LOG2_4x1
#define GR_ASPECT_8x1 GR_ASPECT_LOG2_8x1
#define GR_ASPECT_1x2 GR_ASPECT_LOG2_1x2
#define GR_ASPECT_1x4 GR_ASPECT_LOG2_1x4
#define GR_ASPECT_1x8 GR_ASPECT_LOG2_1x8
#define GR_LOD_256 GR_LOD_LOG2_256
#define GR_LOD_128 GR_LOD_LOG2_128
#define GR_LOD_64 GR_LOD_LOG2_64
#define GR_LOD_32 GR_LOD_LOG2_32
#define GR_LOD_16 GR_LOD_LOG2_16
#define GR_LOD_8 GR_LOD_LOG2_8
#define GR_LOD_4 GR_LOD_LOG2_4
#define GR_LOD_2 GR_LOD_LOG2_2
#define GR_LOD_1 GR_LOD_LOG2_1
#define GR_FOG_WITH_TABLE GR_FOG_WITH_TABLE_ON_Q
typedef int GrSstType;
#define MAX_NUM_SST 4
#define GR_SSTTYPE_VOODOO 0
#define GR_SSTTYPE_SST96 1
#define GR_SSTTYPE_AT3D 2
#define GR_SSTTYPE_Voodoo2 3
typedef struct GrTMUConfig_St {
int tmuRev; /* Rev of Texelfx chip */
int tmuRam; /* 1, 2, or 4 MB */
} GrTMUConfig_t;
typedef struct GrVoodooConfig_St {
int fbRam; /* 1, 2, or 4 MB */
int fbiRev; /* Rev of Pixelfx chip */
int nTexelfx; /* How many texelFX chips are there? */
FxBool sliDetect; /* Is it a scan-line interleaved board? */
GrTMUConfig_t tmuConfig[GLIDE_NUM_TMU]; /* Configuration of the Texelfx chips */
} GrVoodooConfig_t;
typedef struct GrSst96Config_St {
int fbRam; /* How much? */
int nTexelfx;
GrTMUConfig_t tmuConfig;
} GrSst96Config_t;
typedef GrVoodooConfig_t GrVoodoo2Config_t;
typedef struct GrAT3DConfig_St {
int rev;
} GrAT3DConfig_t;
typedef struct {
int num_sst; /* # of HW units in the system */
struct {
GrSstType type; /* Which hardware is it? */
union SstBoard_u {
GrVoodooConfig_t VoodooConfig;
GrSst96Config_t SST96Config;
GrAT3DConfig_t AT3DConfig;
GrVoodoo2Config_t Voodoo2Config;
} sstBoard;
} SSTs[MAX_NUM_SST]; /* configuration for each board */
} 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
#define GrState void
/*
** 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;
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..255.0] */
float z; /* Z is ignored */
GrTmuVertex tmuvtx[GLIDE_NUM_TMU];
} 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_R_OFFSET 4
#define GR_VERTEX_G_OFFSET 5
#define GR_VERTEX_B_OFFSET 6
#define GR_VERTEX_A_OFFSET 7
#define GR_VERTEX_Z_OFFSET 8
#define GR_VERTEX_SOW_TMU0_OFFSET 9
#define GR_VERTEX_TOW_TMU0_OFFSET 10
#define GR_VERTEX_OOW_TMU0_OFFSET 11
#define GR_VERTEX_SOW_TMU1_OFFSET 12
#define GR_VERTEX_TOW_TMU1_OFFSET 13
#define GR_VERTEX_OOW_TMU1_OFFSET 14
#endif
/*
* Glide2 functions for Glide3
*/
#if defined(FX_GLIDE3)
#define FX_grTexDownloadTable(TMU,type,data) grTexDownloadTable(type,data)
#else
#define FX_grTexDownloadTable(TMU,type,data) grTexDownloadTable(TMU,type,data)
#endif
/*
* Flush
*/
#if defined(FX_GLIDE3)
#define FX_grFlush grFlush
#else
#define FX_grFlush grSstIdle
#endif
/*
* Write region: ToDo possible exploit the PixelPipe parameter.
*/
#if defined(FX_GLIDE3)
#define FX_grLfbWriteRegion(dst_buffer,dst_x,dst_y,src_format,src_width,src_height,src_stride,src_data) \
grLfbWriteRegion(dst_buffer,dst_x,dst_y,src_format,src_width,src_height,FXFALSE,src_stride,src_data)
#else
#define FX_grLfbWriteRegion(dst_buffer,dst_x,dst_y,src_format,src_width,src_height,src_stride,src_data) \
grLfbWriteRegion(dst_buffer,dst_x,dst_y,src_format,src_width,src_height,src_stride,src_data)
#endif
/*
* For Lod/LodLog2 conversion.
*/
#if defined(FX_GLIDE3)
#define FX_largeLodLog2(info) (info).largeLodLog2
#else
#define FX_largeLodLog2(info) (info).largeLod
#endif
#if defined(FX_GLIDE3)
#define FX_aspectRatioLog2(info) (info).aspectRatioLog2
#else
#define FX_aspectRatioLog2(info) (info).aspectRatio
#endif
#if defined(FX_GLIDE3)
#define FX_smallLodLog2(info) (info).smallLodLog2
#else
#define FX_smallLodLog2(info) (info).smallLod
#endif
#if defined(FX_GLIDE3)
#define FX_lodToValue(val) ((int)(GR_LOD_256-val))
#else
#define FX_lodToValue(val) ((int)(val))
#endif
#if defined(FX_GLIDE3)
#define FX_largeLodValue(info) ((int)(GR_LOD_256-(info).largeLodLog2))
#else
#define FX_largeLodValue(info) ((int)(info).largeLod)
#endif
#if defined(FX_GLIDE3)
#define FX_smallLodValue(info) ((int)(GR_LOD_256-(info).smallLodLog2))
#else
#define FX_smallLodValue(info) ((int)(info).smallLod)
#endif
#if defined(FX_GLIDE3)
#define FX_valueToLod(val) ((GrLOD_t)(GR_LOD_256-val))
#else
#define FX_valueToLod(val) ((GrLOD_t)(val))
#endif
/*
* ScreenWidth/Height stuff.
*/
#if defined(FX_GLIDE3)
extern int FX_grSstScreenWidth();
extern int FX_grSstScreenHeight();
#else
#define FX_grSstScreenWidth() grSstScreenWidth()
#define FX_grSstScreenHeight() grSstScreenHeight()
#endif
/*
* Version string.
*/
#if defined(FX_GLIDE3)
extern void FX_grGlideGetVersion(char *buf);
#else
#define FX_grGlideGetVersion grGlideGetVersion
#endif
/*
* Performance statistics
*/
#if defined(FX_GLIDE3)
extern void FX_grSstPerfStats(GrSstPerfStats_t *st);
#else
#define FX_grSstPerfStats grSstPerfStats
#endif
/*
* Hardware Query
*/
#if defined(FX_GLIDE3)
extern int FX_grSstQueryHardware(GrHwConfiguration *config);
#else
#define FX_grSstQueryHardware grSstQueryHardware
#endif
/*
* GrHints
*/
#if defined(FX_GLIDE3)
extern void FX_grHints(GrHint_t hintType, FxU32 hintMask);
#else
#define FX_grHints grHints
#endif
/*
* Antialiashed line+point drawing.
*/
#if defined(FX_GLIDE3)
extern void FX_grAADrawLine(GrVertex *a,GrVertex *b);
#else
#define FX_grAADrawLine grAADrawLine
#endif
#if defined(FX_GLIDE3)
extern void FX_grAADrawPoint(GrVertex *a);
#else
#define FX_grAADrawPoint grAADrawPoint
#endif
/*
* Needed for Glide3 only, to set up Glide2 compatible vertex layout.
*/
#if defined(FX_GLIDE3)
extern void FX_setupGrVertexLayout(void);
#else
#define FX_setupGrVertexLayout() do {} while (0)
#endif
/*
* grSstControl stuff
*/
#if defined(FX_GLIDE3)
extern void FX_grSstControl(int par);
#else
#define FX_grSstControl grSstControl
#endif
/*
* grGammaCorrectionValue
*/
#if defined(FX_GLIDE3)
extern void FX_grGammaCorrectionValue(float val);
#else
#define FX_grGammaCorrectionValue grGammaCorrectionValue
#endif
/*
* WinOpen/Close.
*/
#if defined(FX_GLIDE3)
#define FX_grSstWinOpen(hWnd,screen_resolution,refresh_rate,color_format,origin_location,nColBuffers,nAuxBuffers) \
grSstWinOpen(-1,screen_resolution,refresh_rate,color_format,origin_location,nColBuffers,nAuxBuffers)
#define FX_grSstWinClose grSstWinClose
#else
#define FX_grSstWinOpen grSstWinOpen
#define FX_grSstWinClose(win) grSstWinClose()
#endif
#endif /* __FX_GLIDE_WARPER__ */
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