r200_context.h revision a974aaaa3e77a04375e5a9ddd413507596bd743e
1/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_context.h,v 1.2 2002/12/16 16:18:54 dawes Exp $ */
2/*
3Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
4
5The Weather Channel (TM) funded Tungsten Graphics to develop the
6initial release of the Radeon 8500 driver under the XFree86 license.
7This notice must be preserved.
8
9Permission is hereby granted, free of charge, to any person obtaining
10a copy of this software and associated documentation files (the
11"Software"), to deal in the Software without restriction, including
12without limitation the rights to use, copy, modify, merge, publish,
13distribute, sublicense, and/or sell copies of the Software, and to
14permit persons to whom the Software is furnished to do so, subject to
15the following conditions:
16
17The above copyright notice and this permission notice (including the
18next paragraph) shall be included in all copies or substantial
19portions of the Software.
20
21THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
25LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28
29**************************************************************************/
30
31/*
32 * Authors:
33 *   Keith Whitwell <keith@tungstengraphics.com>
34 */
35
36#ifndef __R200_CONTEXT_H__
37#define __R200_CONTEXT_H__
38
39#include "tnl/t_vertex.h"
40#include "drm.h"
41#include "radeon_drm.h"
42#include "dri_util.h"
43#include "texmem.h"
44
45#include "macros.h"
46#include "mtypes.h"
47#include "colormac.h"
48#include "r200_reg.h"
49#include "r200_vertprog.h"
50
51#define ENABLE_HW_3D_TEXTURE 1  /* XXX this is temporary! */
52
53#ifndef R200_EMIT_VAP_PVS_CNTL
54#error This driver requires a newer libdrm to compile
55#endif
56
57struct r200_context;
58typedef struct r200_context r200ContextRec;
59typedef struct r200_context *r200ContextPtr;
60
61/* This union is used to avoid warnings/miscompilation
62   with float to uint32_t casts due to strict-aliasing */
63typedef union { GLfloat f; uint32_t ui32; } float_ui32_type;
64
65#include "r200_lock.h"
66#include "radeon_screen.h"
67#include "mm.h"
68
69/* Flags for software fallback cases */
70/* See correponding strings in r200_swtcl.c */
71#define R200_FALLBACK_TEXTURE           0x01
72#define R200_FALLBACK_DRAW_BUFFER       0x02
73#define R200_FALLBACK_STENCIL           0x04
74#define R200_FALLBACK_RENDER_MODE       0x08
75#define R200_FALLBACK_DISABLE           0x10
76#define R200_FALLBACK_BORDER_MODE       0x20
77
78/* The blit width for texture uploads
79 */
80#define BLIT_WIDTH_BYTES 1024
81
82/* Use the templated vertex format:
83 */
84#define COLOR_IS_RGBA
85#define TAG(x) r200##x
86#include "tnl_dd/t_dd_vertex.h"
87#undef TAG
88
89typedef void (*r200_tri_func)( r200ContextPtr,
90				 r200Vertex *,
91				 r200Vertex *,
92				 r200Vertex * );
93
94typedef void (*r200_line_func)( r200ContextPtr,
95				  r200Vertex *,
96				  r200Vertex * );
97
98typedef void (*r200_point_func)( r200ContextPtr,
99				   r200Vertex * );
100
101
102struct r200_vertex_program {
103        struct gl_vertex_program mesa_program; /* Must be first */
104        int translated;
105        VERTEX_SHADER_INSTRUCTION instr[R200_VSF_MAX_INST + 3];
106        int pos_end;
107        int inputs[VERT_ATTRIB_MAX];
108        int native;
109};
110
111struct r200_colorbuffer_state {
112   GLuint clear;
113#if 000
114   GLint drawOffset, drawPitch;
115#endif
116   int roundEnable;
117};
118
119
120struct r200_depthbuffer_state {
121   GLuint clear;
122   GLfloat scale;
123};
124
125#if 000
126struct r200_pixel_state {
127   GLint readOffset, readPitch;
128};
129#endif
130
131struct r200_scissor_state {
132   drm_clip_rect_t rect;
133   GLboolean enabled;
134
135   GLuint numClipRects;			/* Cliprects active */
136   GLuint numAllocedClipRects;		/* Cliprects available */
137   drm_clip_rect_t *pClipRects;
138};
139
140struct r200_stencilbuffer_state {
141   GLboolean hwBuffer;
142   GLuint clear;			/* rb3d_stencilrefmask value */
143};
144
145struct r200_stipple_state {
146   GLuint mask[32];
147};
148
149
150
151#define TEX_0   0x1
152#define TEX_1   0x2
153#define TEX_2	0x4
154#define TEX_3	0x8
155#define TEX_4	0x10
156#define TEX_5	0x20
157#define TEX_ALL 0x3f
158
159typedef struct r200_tex_obj r200TexObj, *r200TexObjPtr;
160
161/* Texture object in locally shared texture space.
162 */
163struct r200_tex_obj {
164   driTextureObject   base;
165
166   GLuint bufAddr;			/* Offset to start of locally
167					   shared texture block */
168
169   GLuint dirty_state;		        /* Flags (1 per texunit) for
170					   whether or not this texobj
171					   has dirty hardware state
172					   (pp_*) that needs to be
173					   brought into the
174					   texunit. */
175
176   drm_radeon_tex_image_t image[6][RADEON_MAX_TEXTURE_LEVELS];
177					/* Six, for the cube faces */
178
179   GLuint pp_txfilter;		        /* hardware register values */
180   GLuint pp_txformat;
181   GLuint pp_txformat_x;
182   GLuint pp_txoffset;		        /* Image location in texmem.
183					   All cube faces follow. */
184   GLuint pp_txsize;		        /* npot only */
185   GLuint pp_txpitch;		        /* npot only */
186   GLuint pp_border_color;
187   GLuint pp_cubic_faces;	        /* cube face 1,2,3,4 log2 sizes */
188
189   GLboolean  border_fallback;
190
191   GLuint tile_bits;			/* hw texture tile bits used on this texture */
192};
193
194
195struct r200_texture_env_state {
196   r200TexObjPtr texobj;
197   GLuint outputreg;
198   GLuint unitneeded;
199};
200
201#define R200_MAX_TEXTURE_UNITS 6
202
203struct r200_texture_state {
204   struct r200_texture_env_state unit[R200_MAX_TEXTURE_UNITS];
205};
206
207
208struct r200_state_atom {
209   struct r200_state_atom *next, *prev;
210   const char *name;		         /* for debug */
211   int cmd_size;		         /* size in bytes */
212   GLuint idx;
213   int *cmd;			         /* one or more cmd's */
214   int *lastcmd;			 /* one or more cmd's */
215   GLboolean dirty;
216   GLboolean (*check)( GLcontext *, int );    /* is this state active? */
217};
218
219
220
221/* Trying to keep these relatively short as the variables are becoming
222 * extravagently long.  Drop the driver name prefix off the front of
223 * everything - I think we know which driver we're in by now, and keep the
224 * prefix to 3 letters unless absolutely impossible.
225 */
226
227#define CTX_CMD_0             0
228#define CTX_PP_MISC           1
229#define CTX_PP_FOG_COLOR      2
230#define CTX_RE_SOLID_COLOR    3
231#define CTX_RB3D_BLENDCNTL    4
232#define CTX_RB3D_DEPTHOFFSET  5
233#define CTX_RB3D_DEPTHPITCH   6
234#define CTX_RB3D_ZSTENCILCNTL 7
235#define CTX_CMD_1             8
236#define CTX_PP_CNTL           9
237#define CTX_RB3D_CNTL         10
238#define CTX_RB3D_COLOROFFSET  11
239#define CTX_CMD_2             12 /* why */
240#define CTX_RB3D_COLORPITCH   13 /* why */
241#define CTX_STATE_SIZE_OLDDRM 14
242#define CTX_CMD_3             14
243#define CTX_RB3D_BLENDCOLOR   15
244#define CTX_RB3D_ABLENDCNTL   16
245#define CTX_RB3D_CBLENDCNTL   17
246#define CTX_STATE_SIZE_NEWDRM 18
247
248#define SET_CMD_0               0
249#define SET_SE_CNTL             1
250#define SET_RE_CNTL             2 /* replace se_coord_fmt */
251#define SET_STATE_SIZE          3
252
253#define VTE_CMD_0               0
254#define VTE_SE_VTE_CNTL         1
255#define VTE_STATE_SIZE          2
256
257#define LIN_CMD_0               0
258#define LIN_RE_LINE_PATTERN     1
259#define LIN_RE_LINE_STATE       2
260#define LIN_CMD_1               3
261#define LIN_SE_LINE_WIDTH       4
262#define LIN_STATE_SIZE          5
263
264#define MSK_CMD_0               0
265#define MSK_RB3D_STENCILREFMASK 1
266#define MSK_RB3D_ROPCNTL        2
267#define MSK_RB3D_PLANEMASK      3
268#define MSK_STATE_SIZE          4
269
270#define VPT_CMD_0           0
271#define VPT_SE_VPORT_XSCALE          1
272#define VPT_SE_VPORT_XOFFSET         2
273#define VPT_SE_VPORT_YSCALE          3
274#define VPT_SE_VPORT_YOFFSET         4
275#define VPT_SE_VPORT_ZSCALE          5
276#define VPT_SE_VPORT_ZOFFSET         6
277#define VPT_STATE_SIZE      7
278
279#define ZBS_CMD_0               0
280#define ZBS_SE_ZBIAS_FACTOR     1
281#define ZBS_SE_ZBIAS_CONSTANT   2
282#define ZBS_STATE_SIZE          3
283
284#define MSC_CMD_0               0
285#define MSC_RE_MISC             1
286#define MSC_STATE_SIZE          2
287
288#define TAM_CMD_0               0
289#define TAM_DEBUG3              1
290#define TAM_STATE_SIZE          2
291
292#define TEX_CMD_0                   0
293#define TEX_PP_TXFILTER             1  /*2c00*/
294#define TEX_PP_TXFORMAT             2  /*2c04*/
295#define TEX_PP_TXFORMAT_X           3  /*2c08*/
296#define TEX_PP_TXSIZE               4  /*2c0c*/
297#define TEX_PP_TXPITCH              5  /*2c10*/
298#define TEX_PP_BORDER_COLOR         6  /*2c14*/
299#define TEX_CMD_1_OLDDRM            7
300#define TEX_PP_TXOFFSET_OLDDRM      8  /*2d00 */
301#define TEX_STATE_SIZE_OLDDRM       9
302#define TEX_PP_CUBIC_FACES          7
303#define TEX_PP_TXMULTI_CTL          8
304#define TEX_CMD_1_NEWDRM            9
305#define TEX_PP_TXOFFSET_NEWDRM     10
306#define TEX_STATE_SIZE_NEWDRM      11
307
308#define CUBE_CMD_0                  0  /* 1 register follows */ /* this command unnecessary */
309#define CUBE_PP_CUBIC_FACES         1  /* 0x2c18 */             /* with new enough drm */
310#define CUBE_CMD_1                  2  /* 5 registers follow */
311#define CUBE_PP_CUBIC_OFFSET_F1     3  /* 0x2d04 */
312#define CUBE_PP_CUBIC_OFFSET_F2     4  /* 0x2d08 */
313#define CUBE_PP_CUBIC_OFFSET_F3     5  /* 0x2d0c */
314#define CUBE_PP_CUBIC_OFFSET_F4     6  /* 0x2d10 */
315#define CUBE_PP_CUBIC_OFFSET_F5     7  /* 0x2d14 */
316#define CUBE_STATE_SIZE             8
317
318#define PIX_CMD_0                   0
319#define PIX_PP_TXCBLEND             1
320#define PIX_PP_TXCBLEND2            2
321#define PIX_PP_TXABLEND             3
322#define PIX_PP_TXABLEND2            4
323#define PIX_STATE_SIZE              5
324
325#define TF_CMD_0                    0
326#define TF_TFACTOR_0                1
327#define TF_TFACTOR_1                2
328#define TF_TFACTOR_2                3
329#define TF_TFACTOR_3                4
330#define TF_TFACTOR_4                5
331#define TF_TFACTOR_5                6
332#define TF_STATE_SIZE               7
333
334#define ATF_CMD_0                   0
335#define ATF_TFACTOR_0               1
336#define ATF_TFACTOR_1               2
337#define ATF_TFACTOR_2               3
338#define ATF_TFACTOR_3               4
339#define ATF_TFACTOR_4               5
340#define ATF_TFACTOR_5               6
341#define ATF_TFACTOR_6               7
342#define ATF_TFACTOR_7               8
343#define ATF_STATE_SIZE              9
344
345/* ATI_FRAGMENT_SHADER */
346#define AFS_CMD_0                 0
347#define AFS_IC0                   1 /* 2f00 */
348#define AFS_IC1                   2 /* 2f04 */
349#define AFS_IA0                   3 /* 2f08 */
350#define AFS_IA1                   4 /* 2f0c */
351#define AFS_STATE_SIZE           33
352
353#define PVS_CMD_0                 0
354#define PVS_CNTL_1                1
355#define PVS_CNTL_2                2
356#define PVS_STATE_SIZE            3
357
358/* those are quite big... */
359#define VPI_CMD_0                 0
360#define VPI_OPDST_0               1
361#define VPI_SRC0_0                2
362#define VPI_SRC1_0                3
363#define VPI_SRC2_0                4
364#define VPI_OPDST_63              253
365#define VPI_SRC0_63               254
366#define VPI_SRC1_63               255
367#define VPI_SRC2_63               256
368#define VPI_STATE_SIZE            257
369
370#define VPP_CMD_0                0
371#define VPP_PARAM0_0             1
372#define VPP_PARAM1_0             2
373#define VPP_PARAM2_0             3
374#define VPP_PARAM3_0             4
375#define VPP_PARAM0_95            381
376#define VPP_PARAM1_95            382
377#define VPP_PARAM2_95            383
378#define VPP_PARAM3_95            384
379#define VPP_STATE_SIZE           385
380
381#define TCL_CMD_0                 0
382#define TCL_LIGHT_MODEL_CTL_0     1
383#define TCL_LIGHT_MODEL_CTL_1     2
384#define TCL_PER_LIGHT_CTL_0       3
385#define TCL_PER_LIGHT_CTL_1       4
386#define TCL_PER_LIGHT_CTL_2       5
387#define TCL_PER_LIGHT_CTL_3       6
388#define TCL_CMD_1                 7
389#define TCL_UCP_VERT_BLEND_CTL    8
390#define TCL_STATE_SIZE            9
391
392#define MSL_CMD_0                     0
393#define MSL_MATRIX_SELECT_0           1
394#define MSL_MATRIX_SELECT_1           2
395#define MSL_MATRIX_SELECT_2           3
396#define MSL_MATRIX_SELECT_3           4
397#define MSL_MATRIX_SELECT_4           5
398#define MSL_STATE_SIZE                6
399
400#define TCG_CMD_0                 0
401#define TCG_TEX_PROC_CTL_2            1
402#define TCG_TEX_PROC_CTL_3            2
403#define TCG_TEX_PROC_CTL_0            3
404#define TCG_TEX_PROC_CTL_1            4
405#define TCG_TEX_CYL_WRAP_CTL      5
406#define TCG_STATE_SIZE            6
407
408#define MTL_CMD_0            0
409#define MTL_EMMISSIVE_RED    1
410#define MTL_EMMISSIVE_GREEN  2
411#define MTL_EMMISSIVE_BLUE   3
412#define MTL_EMMISSIVE_ALPHA  4
413#define MTL_AMBIENT_RED      5
414#define MTL_AMBIENT_GREEN    6
415#define MTL_AMBIENT_BLUE     7
416#define MTL_AMBIENT_ALPHA    8
417#define MTL_DIFFUSE_RED      9
418#define MTL_DIFFUSE_GREEN    10
419#define MTL_DIFFUSE_BLUE     11
420#define MTL_DIFFUSE_ALPHA    12
421#define MTL_SPECULAR_RED     13
422#define MTL_SPECULAR_GREEN   14
423#define MTL_SPECULAR_BLUE    15
424#define MTL_SPECULAR_ALPHA   16
425#define MTL_CMD_1            17
426#define MTL_SHININESS        18
427#define MTL_STATE_SIZE       19
428
429#define VAP_CMD_0                   0
430#define VAP_SE_VAP_CNTL             1
431#define VAP_STATE_SIZE              2
432
433/* Replaces a lot of packet info from radeon
434 */
435#define VTX_CMD_0                   0
436#define VTX_VTXFMT_0            1
437#define VTX_VTXFMT_1            2
438#define VTX_TCL_OUTPUT_VTXFMT_0 3
439#define VTX_TCL_OUTPUT_VTXFMT_1 4
440#define VTX_CMD_1               5
441#define VTX_TCL_OUTPUT_COMPSEL  6
442#define VTX_CMD_2               7
443#define VTX_STATE_CNTL          8
444#define VTX_STATE_SIZE          9
445
446/* SPR - point sprite state
447 */
448#define SPR_CMD_0             0
449#define SPR_POINT_SPRITE_CNTL 1
450#define SPR_STATE_SIZE        2
451
452#define VTX_COLOR(v,n)   (((v)>>(R200_VTX_COLOR_0_SHIFT+(n)*2))&\
453                         R200_VTX_COLOR_MASK)
454
455/**
456 * Given the \c R200_SE_VTX_FMT_1 for the current vertex state, determine
457 * how many components are in texture coordinate \c n.
458 */
459#define VTX_TEXn_COUNT(v,n)   (((v) >> (3 * n)) & 0x07)
460
461#define MAT_CMD_0              0
462#define MAT_ELT_0              1
463#define MAT_STATE_SIZE         17
464
465#define GRD_CMD_0                  0
466#define GRD_VERT_GUARD_CLIP_ADJ    1
467#define GRD_VERT_GUARD_DISCARD_ADJ 2
468#define GRD_HORZ_GUARD_CLIP_ADJ    3
469#define GRD_HORZ_GUARD_DISCARD_ADJ 4
470#define GRD_STATE_SIZE             5
471
472/* position changes frequently when lighting in modelpos - separate
473 * out to new state item?
474 */
475#define LIT_CMD_0                  0
476#define LIT_AMBIENT_RED            1
477#define LIT_AMBIENT_GREEN          2
478#define LIT_AMBIENT_BLUE           3
479#define LIT_AMBIENT_ALPHA          4
480#define LIT_DIFFUSE_RED            5
481#define LIT_DIFFUSE_GREEN          6
482#define LIT_DIFFUSE_BLUE           7
483#define LIT_DIFFUSE_ALPHA          8
484#define LIT_SPECULAR_RED           9
485#define LIT_SPECULAR_GREEN         10
486#define LIT_SPECULAR_BLUE          11
487#define LIT_SPECULAR_ALPHA         12
488#define LIT_POSITION_X             13
489#define LIT_POSITION_Y             14
490#define LIT_POSITION_Z             15
491#define LIT_POSITION_W             16
492#define LIT_DIRECTION_X            17
493#define LIT_DIRECTION_Y            18
494#define LIT_DIRECTION_Z            19
495#define LIT_DIRECTION_W            20
496#define LIT_ATTEN_QUADRATIC        21
497#define LIT_ATTEN_LINEAR           22
498#define LIT_ATTEN_CONST            23
499#define LIT_ATTEN_XXX              24
500#define LIT_CMD_1                  25
501#define LIT_SPOT_DCD               26
502#define LIT_SPOT_DCM               27
503#define LIT_SPOT_EXPONENT          28
504#define LIT_SPOT_CUTOFF            29
505#define LIT_SPECULAR_THRESH        30
506#define LIT_RANGE_CUTOFF           31 /* ? */
507#define LIT_ATTEN_CONST_INV        32
508#define LIT_STATE_SIZE             33
509
510/* Fog
511 */
512#define FOG_CMD_0      0
513#define FOG_R          1
514#define FOG_C          2
515#define FOG_D          3
516#define FOG_PAD        4
517#define FOG_STATE_SIZE 5
518
519/* UCP
520 */
521#define UCP_CMD_0      0
522#define UCP_X          1
523#define UCP_Y          2
524#define UCP_Z          3
525#define UCP_W          4
526#define UCP_STATE_SIZE 5
527
528/* GLT - Global ambient
529 */
530#define GLT_CMD_0      0
531#define GLT_RED        1
532#define GLT_GREEN      2
533#define GLT_BLUE       3
534#define GLT_ALPHA      4
535#define GLT_STATE_SIZE 5
536
537/* EYE
538 */
539#define EYE_CMD_0          0
540#define EYE_X              1
541#define EYE_Y              2
542#define EYE_Z              3
543#define EYE_RESCALE_FACTOR 4
544#define EYE_STATE_SIZE     5
545
546/* CST - constant state
547 */
548#define CST_CMD_0                             0
549#define CST_PP_CNTL_X                         1
550#define CST_CMD_1                             2
551#define CST_RB3D_DEPTHXY_OFFSET               3
552#define CST_CMD_2                             4
553#define CST_RE_AUX_SCISSOR_CNTL               5
554#define CST_CMD_3                             6
555#define CST_RE_SCISSOR_TL_0                   7
556#define CST_RE_SCISSOR_BR_0                   8
557#define CST_CMD_4                             9
558#define CST_SE_VAP_CNTL_STATUS                10
559#define CST_CMD_5                             11
560#define CST_RE_POINTSIZE                      12
561#define CST_CMD_6                             13
562#define CST_SE_TCL_INPUT_VTX_0                14
563#define CST_SE_TCL_INPUT_VTX_1                15
564#define CST_SE_TCL_INPUT_VTX_2                16
565#define CST_SE_TCL_INPUT_VTX_3                17
566#define CST_STATE_SIZE                        18
567
568#define PRF_CMD_0         0
569#define PRF_PP_TRI_PERF   1
570#define PRF_PP_PERF_CNTL  2
571#define PRF_STATE_SIZE    3
572
573
574struct r200_hw_state {
575   /* Head of the linked list of state atoms. */
576   struct r200_state_atom atomlist;
577
578   /* Hardware state, stored as cmdbuf commands:
579    *   -- Need to doublebuffer for
580    *           - reviving state after loss of context
581    *           - eliding noop statechange loops? (except line stipple count)
582    */
583   struct r200_state_atom ctx;
584   struct r200_state_atom set;
585   struct r200_state_atom vte;
586   struct r200_state_atom lin;
587   struct r200_state_atom msk;
588   struct r200_state_atom vpt;
589   struct r200_state_atom vap;
590   struct r200_state_atom vtx;
591   struct r200_state_atom tcl;
592   struct r200_state_atom msl;
593   struct r200_state_atom tcg;
594   struct r200_state_atom msc;
595   struct r200_state_atom cst;
596   struct r200_state_atom tam;
597   struct r200_state_atom tf;
598   struct r200_state_atom tex[6];
599   struct r200_state_atom cube[6];
600   struct r200_state_atom zbs;
601   struct r200_state_atom mtl[2];
602   struct r200_state_atom mat[9];
603   struct r200_state_atom lit[8]; /* includes vec, scl commands */
604   struct r200_state_atom ucp[6];
605   struct r200_state_atom pix[6]; /* pixshader stages */
606   struct r200_state_atom eye; /* eye pos */
607   struct r200_state_atom grd; /* guard band clipping */
608   struct r200_state_atom fog;
609   struct r200_state_atom glt;
610   struct r200_state_atom prf;
611   struct r200_state_atom afs[2];
612   struct r200_state_atom pvs;
613   struct r200_state_atom vpi[2];
614   struct r200_state_atom vpp[2];
615   struct r200_state_atom atf;
616   struct r200_state_atom spr;
617
618   int max_state_size;	/* Number of bytes necessary for a full state emit. */
619   GLboolean is_dirty, all_dirty;
620};
621
622struct r200_state {
623   /* Derived state for internal purposes:
624    */
625   struct r200_colorbuffer_state color;
626   struct r200_depthbuffer_state depth;
627#if 00
628   struct r200_pixel_state pixel;
629#endif
630   struct r200_scissor_state scissor;
631   struct r200_stencilbuffer_state stencil;
632   struct r200_stipple_state stipple;
633   struct r200_texture_state texture;
634   GLuint envneeded;
635};
636
637/* Need refcounting on dma buffers:
638 */
639struct r200_dma_buffer {
640   int refcount;		/* the number of retained regions in buf */
641   drmBufPtr buf;
642};
643
644#define GET_START(rvb) (rmesa->r200Screen->gart_buffer_offset +		\
645			(rvb)->address - rmesa->dma.buf0_address +	\
646			(rvb)->start)
647
648/* A retained region, eg vertices for indexed vertices.
649 */
650struct r200_dma_region {
651   struct r200_dma_buffer *buf;
652   char *address;		/* == buf->address */
653   int start, end, ptr;		/* offsets from start of buf */
654   int aos_start;
655   int aos_stride;
656   int aos_size;
657};
658
659
660struct r200_dma {
661   /* Active dma region.  Allocations for vertices and retained
662    * regions come from here.  Also used for emitting random vertices,
663    * these may be flushed by calling flush_current();
664    */
665   struct r200_dma_region current;
666
667   void (*flush)( r200ContextPtr );
668
669   char *buf0_address;		/* start of buf[0], for index calcs */
670   GLuint nr_released_bufs;	/* flush after so many buffers released */
671};
672
673struct r200_dri_mirror {
674   __DRIcontextPrivate	*context;	/* DRI context */
675   __DRIscreenPrivate	*screen;	/* DRI screen */
676   __DRIdrawablePrivate	*drawable;	/* DRI drawable bound to this ctx */
677
678   drm_context_t hwContext;
679   drm_hw_lock_t *hwLock;
680   int fd;
681   int drmMinor;
682};
683
684
685#define R200_CMD_BUF_SZ  (16*1024)
686
687struct r200_store {
688   GLuint statenr;
689   GLuint primnr;
690   char cmd_buf[R200_CMD_BUF_SZ];
691   int cmd_used;
692   int elts_start;
693};
694
695
696/* r200_tcl.c
697 */
698struct r200_tcl_info {
699   GLuint vertex_format;
700   GLint last_offset;
701   GLuint hw_primitive;
702
703/* FIXME: what's the maximum number of components? */
704   struct r200_dma_region *aos_components[11];
705   GLuint nr_aos_components;
706
707   GLuint *Elts;
708
709   struct r200_dma_region indexed_verts;
710   struct r200_dma_region obj;
711   struct r200_dma_region rgba;
712   struct r200_dma_region spec;
713   struct r200_dma_region fog;
714   struct r200_dma_region tex[R200_MAX_TEXTURE_UNITS];
715   struct r200_dma_region norm;
716};
717
718
719/* r200_swtcl.c
720 */
721struct r200_swtcl_info {
722   GLuint RenderIndex;
723
724   /**
725    * Size of a hardware vertex.  This is calculated when \c ::vertex_attrs is
726    * installed in the Mesa state vector.
727    */
728   GLuint vertex_size;
729
730   /**
731    * Attributes instructing the Mesa TCL pipeline where / how to put vertex
732    * data in the hardware buffer.
733    */
734   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
735
736   /**
737    * Number of elements of \c ::vertex_attrs that are actually used.
738    */
739   GLuint vertex_attr_count;
740
741   /**
742    * Cached pointer to the buffer where Mesa will store vertex data.
743    */
744   GLubyte *verts;
745
746   /* Fallback rasterization functions
747    */
748   r200_point_func draw_point;
749   r200_line_func draw_line;
750   r200_tri_func draw_tri;
751
752   GLuint hw_primitive;
753   GLenum render_primitive;
754   GLuint numverts;
755
756   /**
757    * Offset of the 4UB color data within a hardware (swtcl) vertex.
758    */
759   GLuint coloroffset;
760
761   /**
762    * Offset of the 3UB specular color data within a hardware (swtcl) vertex.
763    */
764   GLuint specoffset;
765
766   /**
767    * Should Mesa project vertex data or will the hardware do it?
768    */
769   GLboolean needproj;
770
771   struct r200_dma_region indexed_verts;
772};
773
774
775struct r200_ioctl {
776   GLuint vertex_offset;
777   GLuint vertex_size;
778};
779
780
781
782#define R200_MAX_PRIMS 64
783
784
785/* Want to keep a cache of these around.  Each is parameterized by
786 * only a single value which has only a small range.  Only expect a
787 * few, so just rescan the list each time?
788 */
789struct dynfn {
790   struct dynfn *next, *prev;
791   int key[2];
792   char *code;
793};
794
795struct dfn_lists {
796   struct dynfn Vertex2f;
797   struct dynfn Vertex2fv;
798   struct dynfn Vertex3f;
799   struct dynfn Vertex3fv;
800   struct dynfn Color4ub;
801   struct dynfn Color4ubv;
802   struct dynfn Color3ub;
803   struct dynfn Color3ubv;
804   struct dynfn Color4f;
805   struct dynfn Color4fv;
806   struct dynfn Color3f;
807   struct dynfn Color3fv;
808   struct dynfn SecondaryColor3ubEXT;
809   struct dynfn SecondaryColor3ubvEXT;
810   struct dynfn SecondaryColor3fEXT;
811   struct dynfn SecondaryColor3fvEXT;
812   struct dynfn Normal3f;
813   struct dynfn Normal3fv;
814   struct dynfn TexCoord3f;
815   struct dynfn TexCoord3fv;
816   struct dynfn TexCoord2f;
817   struct dynfn TexCoord2fv;
818   struct dynfn TexCoord1f;
819   struct dynfn TexCoord1fv;
820   struct dynfn MultiTexCoord3fARB;
821   struct dynfn MultiTexCoord3fvARB;
822   struct dynfn MultiTexCoord2fARB;
823   struct dynfn MultiTexCoord2fvARB;
824   struct dynfn MultiTexCoord1fARB;
825   struct dynfn MultiTexCoord1fvARB;
826   struct dynfn FogCoordfEXT;
827   struct dynfn FogCoordfvEXT;
828};
829
830struct dfn_generators {
831   struct dynfn *(*Vertex2f)( GLcontext *, const int * );
832   struct dynfn *(*Vertex2fv)( GLcontext *, const int * );
833   struct dynfn *(*Vertex3f)( GLcontext *, const int * );
834   struct dynfn *(*Vertex3fv)( GLcontext *, const int * );
835   struct dynfn *(*Color4ub)( GLcontext *, const int * );
836   struct dynfn *(*Color4ubv)( GLcontext *, const int * );
837   struct dynfn *(*Color3ub)( GLcontext *, const int * );
838   struct dynfn *(*Color3ubv)( GLcontext *, const int * );
839   struct dynfn *(*Color4f)( GLcontext *, const int * );
840   struct dynfn *(*Color4fv)( GLcontext *, const int * );
841   struct dynfn *(*Color3f)( GLcontext *, const int * );
842   struct dynfn *(*Color3fv)( GLcontext *, const int * );
843   struct dynfn *(*SecondaryColor3ubEXT)( GLcontext *, const int * );
844   struct dynfn *(*SecondaryColor3ubvEXT)( GLcontext *, const int * );
845   struct dynfn *(*SecondaryColor3fEXT)( GLcontext *, const int * );
846   struct dynfn *(*SecondaryColor3fvEXT)( GLcontext *, const int * );
847   struct dynfn *(*Normal3f)( GLcontext *, const int * );
848   struct dynfn *(*Normal3fv)( GLcontext *, const int * );
849   struct dynfn *(*TexCoord3f)( GLcontext *, const int * );
850   struct dynfn *(*TexCoord3fv)( GLcontext *, const int * );
851   struct dynfn *(*TexCoord2f)( GLcontext *, const int * );
852   struct dynfn *(*TexCoord2fv)( GLcontext *, const int * );
853   struct dynfn *(*TexCoord1f)( GLcontext *, const int * );
854   struct dynfn *(*TexCoord1fv)( GLcontext *, const int * );
855   struct dynfn *(*MultiTexCoord3fARB)( GLcontext *, const int * );
856   struct dynfn *(*MultiTexCoord3fvARB)( GLcontext *, const int * );
857   struct dynfn *(*MultiTexCoord2fARB)( GLcontext *, const int * );
858   struct dynfn *(*MultiTexCoord2fvARB)( GLcontext *, const int * );
859   struct dynfn *(*MultiTexCoord1fARB)( GLcontext *, const int * );
860   struct dynfn *(*MultiTexCoord1fvARB)( GLcontext *, const int * );
861   struct dynfn *(*FogCoordfEXT)( GLcontext *, const int * );
862   struct dynfn *(*FogCoordfvEXT)( GLcontext *, const int * );
863};
864
865
866
867struct r200_prim {
868   GLuint start;
869   GLuint end;
870   GLuint prim;
871};
872
873   /* A maximum total of 29 elements per vertex:  3 floats for position, 3
874    * floats for normal, 4 floats for color, 4 bytes for secondary color,
875    * 3 floats for each texture unit (18 floats total).
876    *
877    * we maybe need add. 4 to prevent segfault if someone specifies
878    * GL_TEXTURE6/GL_TEXTURE7 (esp. for the codegen-path) (FIXME: )
879    *
880    * The position data is never actually stored here, so 3 elements could be
881    * trimmed out of the buffer.
882    */
883
884#define R200_MAX_VERTEX_SIZE ((3*6)+11)
885
886struct r200_vbinfo {
887   GLint counter, initial_counter;
888   GLint *dmaptr;
889   void (*notify)( void );
890   GLint vertex_size;
891
892   union { float f; int i; r200_color_t color; } vertex[R200_MAX_VERTEX_SIZE];
893
894   GLfloat *normalptr;
895   GLfloat *floatcolorptr;
896   GLfloat *fogptr;
897   r200_color_t *colorptr;
898   GLfloat *floatspecptr;
899   r200_color_t *specptr;
900   GLfloat *texcoordptr[8];	/* 6 (TMU) + 2 for r200_vtxfmt_c.c when GL_TEXTURE6/7 */
901
902
903   GLenum *prim;		/* &ctx->Driver.CurrentExecPrimitive */
904   GLuint primflags;
905   GLboolean enabled;		/* *_NO_VTXFMT / *_NO_TCL env vars */
906   GLboolean installed;
907   GLboolean fell_back;
908   GLboolean recheck;
909   GLint nrverts;
910   GLuint vtxfmt_0, vtxfmt_1;
911
912   GLuint installed_vertex_format;
913   GLuint installed_color_3f_sz;
914
915   struct r200_prim primlist[R200_MAX_PRIMS];
916   int nrprims;
917
918   struct dfn_lists dfn_cache;
919   struct dfn_generators codegen;
920   GLvertexformat vtxfmt;
921};
922
923
924struct r200_context {
925   GLcontext *glCtx;			/* Mesa context */
926
927   /* Driver and hardware state management
928    */
929   struct r200_hw_state hw;
930   struct r200_state state;
931   struct r200_vertex_program *curr_vp_hw;
932
933   /* Texture object bookkeeping
934    */
935   unsigned              nr_heaps;
936   driTexHeap          * texture_heaps[ RADEON_NR_TEX_HEAPS ];
937   driTextureObject      swapped;
938   int                   texture_depth;
939   float                 initialMaxAnisotropy;
940
941   /* Rasterization and vertex state:
942    */
943   GLuint TclFallback;
944   GLuint Fallback;
945   GLuint NewGLState;
946   DECLARE_RENDERINPUTS(tnl_index_bitset);	/* index of bits for last tnl_install_attrs */
947
948   /* Vertex buffers
949    */
950   struct r200_ioctl ioctl;
951   struct r200_dma dma;
952   struct r200_store store;
953   /* A full state emit as of the first state emit in the main store, in case
954    * the context is lost.
955    */
956   struct r200_store backup_store;
957
958   /* Page flipping
959    */
960   GLuint doPageFlip;
961
962   /* Busy waiting
963    */
964   GLuint do_usleeps;
965   GLuint do_irqs;
966   GLuint irqsEmitted;
967   drm_radeon_irq_wait_t iw;
968
969   /* Clientdata textures;
970    */
971   GLuint prefer_gart_client_texturing;
972
973   /* Drawable, cliprect and scissor information
974    */
975   GLuint numClipRects;			/* Cliprects for the draw buffer */
976   drm_clip_rect_t *pClipRects;
977   unsigned int lastStamp;
978   GLboolean lost_context;
979   GLboolean save_on_next_emit;
980   radeonScreenPtr r200Screen;	/* Screen private DRI data */
981   drm_radeon_sarea_t *sarea;		/* Private SAREA data */
982
983   /* TCL stuff
984    */
985   GLmatrix TexGenMatrix[R200_MAX_TEXTURE_UNITS];
986   GLboolean recheck_texgen[R200_MAX_TEXTURE_UNITS];
987   GLboolean TexGenNeedNormals[R200_MAX_TEXTURE_UNITS];
988   GLuint TexMatEnabled;
989   GLuint TexMatCompSel;
990   GLuint TexGenEnabled;
991   GLuint TexGenCompSel;
992   GLmatrix tmpmat;
993
994   /* VBI / buffer swap
995    */
996   GLuint vbl_seq;
997   GLuint vblank_flags;
998
999   int64_t swap_ust;
1000   int64_t swap_missed_ust;
1001
1002   GLuint swap_count;
1003   GLuint swap_missed_count;
1004
1005
1006   /* r200_tcl.c
1007    */
1008   struct r200_tcl_info tcl;
1009
1010   /* r200_swtcl.c
1011    */
1012   struct r200_swtcl_info swtcl;
1013
1014   /* r200_vtxfmt.c
1015    */
1016   struct r200_vbinfo vb;
1017
1018   /* Mirrors of some DRI state
1019    */
1020   struct r200_dri_mirror dri;
1021
1022   /* Configuration cache
1023    */
1024   driOptionCache optionCache;
1025
1026   GLboolean using_hyperz;
1027   GLboolean texmicrotile;
1028
1029  struct ati_fragment_shader *afs_loaded;
1030};
1031
1032#define R200_CONTEXT(ctx)		((r200ContextPtr)(ctx->DriverCtx))
1033
1034
1035static __inline GLuint r200PackColor( GLuint cpp,
1036					GLubyte r, GLubyte g,
1037					GLubyte b, GLubyte a )
1038{
1039   switch ( cpp ) {
1040   case 2:
1041      return PACK_COLOR_565( r, g, b );
1042   case 4:
1043      return PACK_COLOR_8888( a, r, g, b );
1044   default:
1045      return 0;
1046   }
1047}
1048
1049
1050extern void r200DestroyContext( __DRIcontextPrivate *driContextPriv );
1051extern GLboolean r200CreateContext( const __GLcontextModes *glVisual,
1052				    __DRIcontextPrivate *driContextPriv,
1053				    void *sharedContextPrivate);
1054extern void r200SwapBuffers( __DRIdrawablePrivate *dPriv );
1055extern void r200CopySubBuffer( __DRIdrawablePrivate * dPriv,
1056			       int x, int y, int w, int h );
1057extern GLboolean r200MakeCurrent( __DRIcontextPrivate *driContextPriv,
1058				  __DRIdrawablePrivate *driDrawPriv,
1059				  __DRIdrawablePrivate *driReadPriv );
1060extern GLboolean r200UnbindContext( __DRIcontextPrivate *driContextPriv );
1061
1062/* ================================================================
1063 * Debugging:
1064 */
1065#define DO_DEBUG		1
1066
1067#if DO_DEBUG
1068extern int R200_DEBUG;
1069#else
1070#define R200_DEBUG		0
1071#endif
1072
1073#define DEBUG_TEXTURE	0x001
1074#define DEBUG_STATE	0x002
1075#define DEBUG_IOCTL	0x004
1076#define DEBUG_PRIMS	0x008
1077#define DEBUG_VERTS	0x010
1078#define DEBUG_FALLBACKS	0x020
1079#define DEBUG_VFMT	0x040
1080#define DEBUG_CODEGEN	0x080
1081#define DEBUG_VERBOSE	0x100
1082#define DEBUG_DRI       0x200
1083#define DEBUG_DMA       0x400
1084#define DEBUG_SANITY    0x800
1085#define DEBUG_SYNC      0x1000
1086#define DEBUG_PIXEL     0x2000
1087#define DEBUG_MEMORY    0x4000
1088
1089#endif /* __R200_CONTEXT_H__ */
1090