r200_context.h revision bcc6eddd335e97d49ed2ef3a1440f94d58dce12d
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#ifdef GLX_DIRECT_RENDERING
40
41#include <inttypes.h>
42#include "dri_util.h"
43#include "radeon_common.h"
44#include "texmem.h"
45
46#include "macros.h"
47#include "mtypes.h"
48#include "colormac.h"
49#include "r200_reg.h"
50
51#define ENABLE_HW_3D_TEXTURE 0  /* XXX this is temporary! */
52
53struct r200_context;
54typedef struct r200_context r200ContextRec;
55typedef struct r200_context *r200ContextPtr;
56
57#include "r200_lock.h"
58#include "r200_screen.h"
59#include "mm.h"
60
61/* Flags for software fallback cases */
62/* See correponding strings in r200_swtcl.c */
63#define R200_FALLBACK_TEXTURE           0x1
64#define R200_FALLBACK_DRAW_BUFFER       0x2
65#define R200_FALLBACK_STENCIL           0x4
66#define R200_FALLBACK_RENDER_MODE       0x8
67#define R200_FALLBACK_BLEND_EQ          0x10
68#define R200_FALLBACK_BLEND_FUNC        0x20
69#define R200_FALLBACK_DISABLE           0x40
70#define R200_FALLBACK_BORDER_MODE       0x80
71
72/* The blit width for texture uploads
73 */
74#define BLIT_WIDTH_BYTES 1024
75
76/* Use the templated vertex format:
77 */
78#define COLOR_IS_RGBA
79#define TAG(x) r200##x
80#include "tnl_dd/t_dd_vertex.h"
81#undef TAG
82
83typedef void (*r200_tri_func)( r200ContextPtr,
84				 r200Vertex *,
85				 r200Vertex *,
86				 r200Vertex * );
87
88typedef void (*r200_line_func)( r200ContextPtr,
89				  r200Vertex *,
90				  r200Vertex * );
91
92typedef void (*r200_point_func)( r200ContextPtr,
93				   r200Vertex * );
94
95
96struct r200_colorbuffer_state {
97   GLuint clear;
98   GLint drawOffset, drawPitch;
99};
100
101
102struct r200_depthbuffer_state {
103   GLfloat scale;
104};
105
106struct r200_pixel_state {
107   GLint readOffset, readPitch;
108};
109
110struct r200_scissor_state {
111   XF86DRIClipRectRec rect;
112   GLboolean enabled;
113
114   GLuint numClipRects;			/* Cliprects active */
115   GLuint numAllocedClipRects;		/* Cliprects available */
116   XF86DRIClipRectPtr pClipRects;
117};
118
119struct r200_stencilbuffer_state {
120   GLboolean hwBuffer;
121   GLuint clear;			/* rb3d_stencilrefmask value */
122};
123
124struct r200_stipple_state {
125   GLuint mask[32];
126};
127
128
129
130#define TEX_0   0x1
131#define TEX_1   0x2
132#define TEX_ALL 0x3
133
134typedef struct r200_tex_obj r200TexObj, *r200TexObjPtr;
135
136/* Texture object in locally shared texture space.
137 */
138struct r200_tex_obj {
139   driTextureObject   base;
140
141   GLuint bufAddr;			/* Offset to start of locally
142					   shared texture block */
143
144   GLuint dirty_state;		        /* Flags (1 per texunit) for
145					   whether or not this texobj
146					   has dirty hardware state
147					   (pp_*) that needs to be
148					   brought into the
149					   texunit. */
150
151   drmRadeonTexImage image[6][RADEON_MAX_TEXTURE_LEVELS];
152					/* Six, for the cube faces */
153
154   GLuint pp_txfilter;		        /* hardware register values */
155   GLuint pp_txformat;
156   GLuint pp_txformat_x;
157   GLuint pp_txoffset;		        /* Image location in texmem.
158					   All cube faces follow. */
159   GLuint pp_txsize;		        /* npot only */
160   GLuint pp_txpitch;		        /* npot only */
161   GLuint pp_border_color;
162   GLuint pp_cubic_faces;	        /* cube face 1,2,3,4 log2 sizes */
163
164   GLboolean  border_fallback;
165};
166
167
168struct r200_texture_env_state {
169   r200TexObjPtr texobj;
170   GLenum format;
171   GLenum envMode;
172};
173
174#define R200_MAX_TEXTURE_UNITS 3
175
176struct r200_texture_state {
177   struct r200_texture_env_state unit[R200_MAX_TEXTURE_UNITS];
178};
179
180
181struct r200_state_atom {
182   struct r200_state_atom *next, *prev;
183   const char *name;		         /* for debug */
184   int cmd_size;		         /* size in bytes */
185   GLuint idx;
186   int *cmd;			         /* one or more cmd's */
187   int *lastcmd;			 /* one or more cmd's */
188   GLboolean (*check)( GLcontext *, int );    /* is this state active? */
189};
190
191
192
193/* Trying to keep these relatively short as the variables are becoming
194 * extravagently long.  Drop the driver name prefix off the front of
195 * everything - I think we know which driver we're in by now, and keep the
196 * prefix to 3 letters unless absolutely impossible.
197 */
198
199#define CTX_CMD_0             0
200#define CTX_PP_MISC           1
201#define CTX_PP_FOG_COLOR      2
202#define CTX_RE_SOLID_COLOR    3
203#define CTX_RB3D_BLENDCNTL    4
204#define CTX_RB3D_DEPTHOFFSET  5
205#define CTX_RB3D_DEPTHPITCH   6
206#define CTX_RB3D_ZSTENCILCNTL 7
207#define CTX_CMD_1             8
208#define CTX_PP_CNTL           9
209#define CTX_RB3D_CNTL         10
210#define CTX_RB3D_COLOROFFSET  11
211#define CTX_CMD_2             12 /* why */
212#define CTX_RB3D_COLORPITCH   13 /* why */
213#define CTX_STATE_SIZE        14
214
215#define SET_CMD_0               0
216#define SET_SE_CNTL             1
217#define SET_RE_CNTL             2 /* replace se_coord_fmt */
218#define SET_STATE_SIZE          3
219
220#define VTE_CMD_0               0
221#define VTE_SE_VTE_CNTL         1
222#define VTE_STATE_SIZE          2
223
224#define LIN_CMD_0               0
225#define LIN_RE_LINE_PATTERN     1
226#define LIN_RE_LINE_STATE       2
227#define LIN_CMD_1               3
228#define LIN_SE_LINE_WIDTH       4
229#define LIN_STATE_SIZE          5
230
231#define MSK_CMD_0               0
232#define MSK_RB3D_STENCILREFMASK 1
233#define MSK_RB3D_ROPCNTL        2
234#define MSK_RB3D_PLANEMASK      3
235#define MSK_STATE_SIZE          4
236
237#define VPT_CMD_0           0
238#define VPT_SE_VPORT_XSCALE          1
239#define VPT_SE_VPORT_XOFFSET         2
240#define VPT_SE_VPORT_YSCALE          3
241#define VPT_SE_VPORT_YOFFSET         4
242#define VPT_SE_VPORT_ZSCALE          5
243#define VPT_SE_VPORT_ZOFFSET         6
244#define VPT_STATE_SIZE      7
245
246#define ZBS_CMD_0               0
247#define ZBS_SE_ZBIAS_FACTOR     1
248#define ZBS_SE_ZBIAS_CONSTANT   2
249#define ZBS_STATE_SIZE          3
250
251#define MSC_CMD_0               0
252#define MSC_RE_MISC             1
253#define MSC_STATE_SIZE          2
254
255#define TAM_CMD_0               0
256#define TAM_DEBUG3              1
257#define TAM_STATE_SIZE          2
258
259#define TEX_CMD_0                   0
260#define TEX_PP_TXFILTER             1  /*2c00*/
261#define TEX_PP_TXFORMAT             2  /*2c04*/
262#define TEX_PP_TXFORMAT_X           3  /*2c08*/
263#define TEX_PP_TXSIZE               4  /*2c0c*/
264#define TEX_PP_TXPITCH              5  /*2c10*/
265#define TEX_PP_BORDER_COLOR         6  /*2c14*/
266#define TEX_CMD_1                   7
267#define TEX_PP_TXOFFSET             8  /*2d00 */
268#define TEX_STATE_SIZE              9
269
270#define CUBE_CMD_0                  0  /* 1 register follows */
271#define CUBE_PP_CUBIC_FACES         1  /* 0x2c18 */
272#define CUBE_CMD_1                  2  /* 5 registers follow */
273#define CUBE_PP_CUBIC_OFFSET_F1     3  /* 0x2d04 */
274#define CUBE_PP_CUBIC_OFFSET_F2     4  /* 0x2d08 */
275#define CUBE_PP_CUBIC_OFFSET_F3     5  /* 0x2d0c */
276#define CUBE_PP_CUBIC_OFFSET_F4     6  /* 0x2d10 */
277#define CUBE_PP_CUBIC_OFFSET_F5     7  /* 0x2d14 */
278#define CUBE_STATE_SIZE             8
279
280#define PIX_CMD_0                   0
281#define PIX_PP_TXCBLEND             1
282#define PIX_PP_TXCBLEND2            2
283#define PIX_PP_TXABLEND             3
284#define PIX_PP_TXABLEND2            4
285#define PIX_STATE_SIZE              5
286
287#define TF_CMD_0                    0
288#define TF_TFACTOR_0                1
289#define TF_TFACTOR_1                2
290#define TF_TFACTOR_2                3
291#define TF_TFACTOR_3                4
292#define TF_TFACTOR_4                5
293#define TF_TFACTOR_5                6
294#define TF_STATE_SIZE               7
295
296#define TCL_CMD_0                 0
297#define TCL_LIGHT_MODEL_CTL_0     1
298#define TCL_LIGHT_MODEL_CTL_1     2
299#define TCL_PER_LIGHT_CTL_0       3
300#define TCL_PER_LIGHT_CTL_1       4
301#define TCL_PER_LIGHT_CTL_2       5
302#define TCL_PER_LIGHT_CTL_3       6
303#define TCL_CMD_1                 7
304#define TCL_UCP_VERT_BLEND_CTL    8
305#define TCL_STATE_SIZE            9
306
307#define MSL_CMD_0                     0
308#define MSL_MATRIX_SELECT_0           1
309#define MSL_MATRIX_SELECT_1           2
310#define MSL_MATRIX_SELECT_2           3
311#define MSL_MATRIX_SELECT_3           4
312#define MSL_MATRIX_SELECT_4           5
313#define MSL_STATE_SIZE                6
314
315#define TCG_CMD_0                 0
316#define TCG_TEX_PROC_CTL_2            1
317#define TCG_TEX_PROC_CTL_3            2
318#define TCG_TEX_PROC_CTL_0            3
319#define TCG_TEX_PROC_CTL_1            4
320#define TCG_TEX_CYL_WRAP_CTL      5
321#define TCG_STATE_SIZE            6
322
323#define MTL_CMD_0            0
324#define MTL_EMMISSIVE_RED    1
325#define MTL_EMMISSIVE_GREEN  2
326#define MTL_EMMISSIVE_BLUE   3
327#define MTL_EMMISSIVE_ALPHA  4
328#define MTL_AMBIENT_RED      5
329#define MTL_AMBIENT_GREEN    6
330#define MTL_AMBIENT_BLUE     7
331#define MTL_AMBIENT_ALPHA    8
332#define MTL_DIFFUSE_RED      9
333#define MTL_DIFFUSE_GREEN    10
334#define MTL_DIFFUSE_BLUE     11
335#define MTL_DIFFUSE_ALPHA    12
336#define MTL_SPECULAR_RED     13
337#define MTL_SPECULAR_GREEN   14
338#define MTL_SPECULAR_BLUE    15
339#define MTL_SPECULAR_ALPHA   16
340#define MTL_CMD_1            17
341#define MTL_SHININESS        18
342#define MTL_STATE_SIZE       19
343
344#define VAP_CMD_0                   0
345#define VAP_SE_VAP_CNTL             1
346#define VAP_STATE_SIZE              2
347
348/* Replaces a lot of packet info from radeon
349 */
350#define VTX_CMD_0                   0
351#define VTX_VTXFMT_0            1
352#define VTX_VTXFMT_1            2
353#define VTX_TCL_OUTPUT_VTXFMT_0 3
354#define VTX_TCL_OUTPUT_VTXFMT_1 4
355#define VTX_CMD_1               5
356#define VTX_TCL_OUTPUT_COMPSEL  6
357#define VTX_CMD_2               7
358#define VTX_STATE_CNTL          8
359#define VTX_STATE_SIZE          9
360
361
362#define VTX_COLOR(v,n)   (((v)>>(R200_VTX_COLOR_0_SHIFT+(n)*2))&\
363                         R200_VTX_COLOR_MASK)
364
365#define MAT_CMD_0              0
366#define MAT_ELT_0              1
367#define MAT_STATE_SIZE         17
368
369#define GRD_CMD_0                  0
370#define GRD_VERT_GUARD_CLIP_ADJ    1
371#define GRD_VERT_GUARD_DISCARD_ADJ 2
372#define GRD_HORZ_GUARD_CLIP_ADJ    3
373#define GRD_HORZ_GUARD_DISCARD_ADJ 4
374#define GRD_STATE_SIZE             5
375
376/* position changes frequently when lighting in modelpos - separate
377 * out to new state item?
378 */
379#define LIT_CMD_0                  0
380#define LIT_AMBIENT_RED            1
381#define LIT_AMBIENT_GREEN          2
382#define LIT_AMBIENT_BLUE           3
383#define LIT_AMBIENT_ALPHA          4
384#define LIT_DIFFUSE_RED            5
385#define LIT_DIFFUSE_GREEN          6
386#define LIT_DIFFUSE_BLUE           7
387#define LIT_DIFFUSE_ALPHA          8
388#define LIT_SPECULAR_RED           9
389#define LIT_SPECULAR_GREEN         10
390#define LIT_SPECULAR_BLUE          11
391#define LIT_SPECULAR_ALPHA         12
392#define LIT_POSITION_X             13
393#define LIT_POSITION_Y             14
394#define LIT_POSITION_Z             15
395#define LIT_POSITION_W             16
396#define LIT_DIRECTION_X            17
397#define LIT_DIRECTION_Y            18
398#define LIT_DIRECTION_Z            19
399#define LIT_DIRECTION_W            20
400#define LIT_ATTEN_CONST            21
401#define LIT_ATTEN_LINEAR           22
402#define LIT_ATTEN_QUADRATIC        23
403#define LIT_ATTEN_XXX              24
404#define LIT_CMD_1                  25
405#define LIT_SPOT_DCD               26
406#define LIT_SPOT_DCM               27
407#define LIT_SPOT_EXPONENT          28
408#define LIT_SPOT_CUTOFF            29
409#define LIT_SPECULAR_THRESH        30
410#define LIT_RANGE_CUTOFF           31 /* ? */
411#define LIT_RANGE_ATTEN            32 /* ? */
412#define LIT_STATE_SIZE             33
413
414/* Fog
415 */
416#define FOG_CMD_0      0
417#define FOG_R          1
418#define FOG_C          2
419#define FOG_D          3
420#define FOG_PAD        4
421#define FOG_STATE_SIZE 5
422
423/* UCP
424 */
425#define UCP_CMD_0      0
426#define UCP_X          1
427#define UCP_Y          2
428#define UCP_Z          3
429#define UCP_W          4
430#define UCP_STATE_SIZE 5
431
432/* GLT - Global ambient
433 */
434#define GLT_CMD_0      0
435#define GLT_RED        1
436#define GLT_GREEN      2
437#define GLT_BLUE       3
438#define GLT_ALPHA      4
439#define GLT_STATE_SIZE 5
440
441/* EYE
442 */
443#define EYE_CMD_0          0
444#define EYE_X              1
445#define EYE_Y              2
446#define EYE_Z              3
447#define EYE_RESCALE_FACTOR 4
448#define EYE_STATE_SIZE     5
449
450/* CST - constant state
451 */
452#define CST_CMD_0                             0
453#define CST_PP_CNTL_X                         1
454#define CST_CMD_1                             2
455#define CST_RB3D_DEPTHXY_OFFSET               3
456#define CST_CMD_2                             4
457#define CST_RE_AUX_SCISSOR_CNTL               5
458#define CST_CMD_3                             6
459#define CST_RE_SCISSOR_TL_0                   7
460#define CST_RE_SCISSOR_BR_0                   8
461#define CST_CMD_4                             9
462#define CST_SE_VAP_CNTL_STATUS                10
463#define CST_CMD_5                             11
464#define CST_RE_POINTSIZE                      12
465#define CST_CMD_6                             13
466#define CST_SE_TCL_INPUT_VTX_0                14
467#define CST_SE_TCL_INPUT_VTX_1                15
468#define CST_SE_TCL_INPUT_VTX_2                16
469#define CST_SE_TCL_INPUT_VTX_3                17
470#define CST_STATE_SIZE                        18
471
472
473
474
475struct r200_hw_state {
476   /* All state should be on one of these lists:
477    */
478   struct r200_state_atom dirty; /* dirty list head placeholder */
479   struct r200_state_atom clean; /* clean list head placeholder */
480
481   /* Hardware state, stored as cmdbuf commands:
482    *   -- Need to doublebuffer for
483    *           - reviving state after loss of context
484    *           - eliding noop statechange loops? (except line stipple count)
485    */
486   struct r200_state_atom ctx;
487   struct r200_state_atom set;
488   struct r200_state_atom vte;
489   struct r200_state_atom lin;
490   struct r200_state_atom msk;
491   struct r200_state_atom vpt;
492   struct r200_state_atom vap;
493   struct r200_state_atom vtx;
494   struct r200_state_atom tcl;
495   struct r200_state_atom msl;
496   struct r200_state_atom tcg;
497   struct r200_state_atom msc;
498   struct r200_state_atom cst;
499   struct r200_state_atom tam;
500   struct r200_state_atom tf;
501   struct r200_state_atom tex[2];
502   struct r200_state_atom cube[2];
503   struct r200_state_atom zbs;
504   struct r200_state_atom mtl[2];
505   struct r200_state_atom mat[5];
506   struct r200_state_atom lit[8]; /* includes vec, scl commands */
507   struct r200_state_atom ucp[6];
508   struct r200_state_atom pix[6]; /* pixshader stages */
509   struct r200_state_atom eye; /* eye pos */
510   struct r200_state_atom grd; /* guard band clipping */
511   struct r200_state_atom fog;
512   struct r200_state_atom glt;
513};
514
515struct r200_state {
516   /* Derived state for internal purposes:
517    */
518   struct r200_colorbuffer_state color;
519   struct r200_depthbuffer_state depth;
520   struct r200_pixel_state pixel;
521   struct r200_scissor_state scissor;
522   struct r200_stencilbuffer_state stencil;
523   struct r200_stipple_state stipple;
524   struct r200_texture_state texture;
525};
526
527/* Need refcounting on dma buffers:
528 */
529struct r200_dma_buffer {
530   int refcount;		/* the number of retained regions in buf */
531   drmBufPtr buf;
532};
533
534#define GET_START(rvb) (rmesa->r200Screen->gart_buffer_offset +		\
535			(rvb)->address - rmesa->dma.buf0_address +	\
536			(rvb)->start)
537
538/* A retained region, eg vertices for indexed vertices.
539 */
540struct r200_dma_region {
541   struct r200_dma_buffer *buf;
542   char *address;		/* == buf->address */
543   int start, end, ptr;		/* offsets from start of buf */
544   int aos_start;
545   int aos_stride;
546   int aos_size;
547};
548
549
550struct r200_dma {
551   /* Active dma region.  Allocations for vertices and retained
552    * regions come from here.  Also used for emitting random vertices,
553    * these may be flushed by calling flush_current();
554    */
555   struct r200_dma_region current;
556
557   void (*flush)( r200ContextPtr );
558
559   char *buf0_address;		/* start of buf[0], for index calcs */
560   GLuint nr_released_bufs;	/* flush after so many buffers released */
561};
562
563struct r200_dri_mirror {
564   __DRIcontextPrivate	*context;	/* DRI context */
565   __DRIscreenPrivate	*screen;	/* DRI screen */
566   __DRIdrawablePrivate	*drawable;	/* DRI drawable bound to this ctx */
567
568   drmContext hwContext;
569   drmLock *hwLock;
570   int fd;
571   int drmMinor;
572};
573
574
575#define R200_CMD_BUF_SZ  (8*1024)
576
577struct r200_store {
578   GLuint statenr;
579   GLuint primnr;
580   char cmd_buf[R200_CMD_BUF_SZ];
581   int cmd_used;
582   int elts_start;
583};
584
585
586/* r200_tcl.c
587 */
588struct r200_tcl_info {
589   GLuint vertex_format;
590   GLint last_offset;
591   GLuint hw_primitive;
592
593   struct r200_dma_region *aos_components[8];
594   GLuint nr_aos_components;
595
596   GLuint *Elts;
597
598   struct r200_dma_region indexed_verts;
599   struct r200_dma_region obj;
600   struct r200_dma_region rgba;
601   struct r200_dma_region spec;
602   struct r200_dma_region fog;
603   struct r200_dma_region tex[R200_MAX_TEXTURE_UNITS];
604   struct r200_dma_region norm;
605};
606
607
608/* r200_swtcl.c
609 */
610struct r200_swtcl_info {
611   GLuint SetupIndex;
612   GLuint SetupNewInputs;
613   GLuint RenderIndex;
614   GLuint vertex_size;
615   GLuint vertex_stride_shift;
616   GLuint vertex_format;
617   GLubyte *verts;
618
619   /* Fallback rasterization functions
620    */
621   r200_point_func draw_point;
622   r200_line_func draw_line;
623   r200_tri_func draw_tri;
624
625   GLuint hw_primitive;
626   GLenum render_primitive;
627   GLuint numverts;
628
629   struct r200_dma_region indexed_verts;
630};
631
632
633struct r200_ioctl {
634   GLuint vertex_offset;
635   GLuint vertex_size;
636};
637
638
639
640#define R200_MAX_PRIMS 64
641
642
643/* Want to keep a cache of these around.  Each is parameterized by
644 * only a single value which has only a small range.  Only expect a
645 * few, so just rescan the list each time?
646 */
647struct dynfn {
648   struct dynfn *next, *prev;
649   int key[2];
650   char *code;
651};
652
653struct dfn_lists {
654   struct dynfn Vertex2f;
655   struct dynfn Vertex2fv;
656   struct dynfn Vertex3f;
657   struct dynfn Vertex3fv;
658   struct dynfn Color4ub;
659   struct dynfn Color4ubv;
660   struct dynfn Color3ub;
661   struct dynfn Color3ubv;
662   struct dynfn Color4f;
663   struct dynfn Color4fv;
664   struct dynfn Color3f;
665   struct dynfn Color3fv;
666   struct dynfn SecondaryColor3ubEXT;
667   struct dynfn SecondaryColor3ubvEXT;
668   struct dynfn SecondaryColor3fEXT;
669   struct dynfn SecondaryColor3fvEXT;
670   struct dynfn Normal3f;
671   struct dynfn Normal3fv;
672   struct dynfn TexCoord2f;
673   struct dynfn TexCoord2fv;
674   struct dynfn TexCoord1f;
675   struct dynfn TexCoord1fv;
676   struct dynfn MultiTexCoord2fARB;
677   struct dynfn MultiTexCoord2fvARB;
678   struct dynfn MultiTexCoord1fARB;
679   struct dynfn MultiTexCoord1fvARB;
680};
681
682struct dfn_generators {
683   struct dynfn *(*Vertex2f)( GLcontext *, const int * );
684   struct dynfn *(*Vertex2fv)( GLcontext *, const int * );
685   struct dynfn *(*Vertex3f)( GLcontext *, const int * );
686   struct dynfn *(*Vertex3fv)( GLcontext *, const int * );
687   struct dynfn *(*Color4ub)( GLcontext *, const int * );
688   struct dynfn *(*Color4ubv)( GLcontext *, const int * );
689   struct dynfn *(*Color3ub)( GLcontext *, const int * );
690   struct dynfn *(*Color3ubv)( GLcontext *, const int * );
691   struct dynfn *(*Color4f)( GLcontext *, const int * );
692   struct dynfn *(*Color4fv)( GLcontext *, const int * );
693   struct dynfn *(*Color3f)( GLcontext *, const int * );
694   struct dynfn *(*Color3fv)( GLcontext *, const int * );
695   struct dynfn *(*SecondaryColor3ubEXT)( GLcontext *, const int * );
696   struct dynfn *(*SecondaryColor3ubvEXT)( GLcontext *, const int * );
697   struct dynfn *(*SecondaryColor3fEXT)( GLcontext *, const int * );
698   struct dynfn *(*SecondaryColor3fvEXT)( GLcontext *, const int * );
699   struct dynfn *(*Normal3f)( GLcontext *, const int * );
700   struct dynfn *(*Normal3fv)( GLcontext *, const int * );
701   struct dynfn *(*TexCoord2f)( GLcontext *, const int * );
702   struct dynfn *(*TexCoord2fv)( GLcontext *, const int * );
703   struct dynfn *(*TexCoord1f)( GLcontext *, const int * );
704   struct dynfn *(*TexCoord1fv)( GLcontext *, const int * );
705   struct dynfn *(*MultiTexCoord2fARB)( GLcontext *, const int * );
706   struct dynfn *(*MultiTexCoord2fvARB)( GLcontext *, const int * );
707   struct dynfn *(*MultiTexCoord1fARB)( GLcontext *, const int * );
708   struct dynfn *(*MultiTexCoord1fvARB)( GLcontext *, const int * );
709};
710
711
712
713struct r200_prim {
714   GLuint start;
715   GLuint end;
716   GLuint prim;
717};
718
719struct r200_vbinfo {
720   GLint counter, initial_counter;
721   GLint *dmaptr;
722   void (*notify)( void );
723   GLint vertex_size;
724
725   /* A maximum total of 15 elements per vertex:  3 floats for position, 3
726    * floats for normal, 4 floats for color, 4 bytes for secondary color,
727    * 2 floats for each texture unit (4 floats total).
728    *
729    * As soon as the 3rd TMU is supported or cube maps (or 3D textures) are
730    * supported, this value will grow.
731    *
732    * The position data is never actually stored here, so 3 elements could be
733    * trimmed out of the buffer.
734    */
735   union { float f; int i; r200_color_t color; } vertex[15];
736
737   GLfloat *normalptr;
738   GLfloat *floatcolorptr;
739   r200_color_t *colorptr;
740   GLfloat *floatspecptr;
741   r200_color_t *specptr;
742   GLfloat *texcoordptr[2];
743
744
745   GLenum *prim;		/* &ctx->Driver.CurrentExecPrimitive */
746   GLuint primflags;
747   GLboolean enabled;		/* *_NO_VTXFMT / *_NO_TCL env vars */
748   GLboolean installed;
749   GLboolean fell_back;
750   GLboolean recheck;
751   GLint nrverts;
752   GLuint vtxfmt_0, vtxfmt_1;
753
754   GLuint installed_vertex_format;
755   GLuint installed_color_3f_sz;
756
757   struct r200_prim primlist[R200_MAX_PRIMS];
758   int nrprims;
759
760   struct dfn_lists dfn_cache;
761   struct dfn_generators codegen;
762   GLvertexformat vtxfmt;
763};
764
765
766
767
768struct r200_context {
769   GLcontext *glCtx;			/* Mesa context */
770
771   /* Driver and hardware state management
772    */
773   struct r200_hw_state hw;
774   struct r200_state state;
775
776   /* Texture object bookkeeping
777    */
778   unsigned              nr_heaps;
779   driTexHeap          * texture_heaps[ R200_NR_TEX_HEAPS ];
780   driTextureObject      swapped;
781   GLboolean             default32BitTextures;
782
783
784   /* Rasterization and vertex state:
785    */
786   GLuint TclFallback;
787   GLuint Fallback;
788   GLuint NewGLState;
789
790
791   /* Temporaries for translating away float colors:
792    */
793   struct gl_client_array UbyteColor;
794   struct gl_client_array UbyteSecondaryColor;
795
796   /* Vertex buffers
797    */
798   struct r200_ioctl ioctl;
799   struct r200_dma dma;
800   struct r200_store store;
801
802   /* Page flipping
803    */
804   GLuint doPageFlip;
805
806   /* Busy waiting
807    */
808   GLuint do_usleeps;
809   GLuint do_irqs;
810   GLuint irqsEmitted;
811   drmRadeonIrqWait iw;
812
813   /* Clientdata textures;
814    */
815   GLuint prefer_gart_client_texturing;
816
817   /* Drawable, cliprect and scissor information
818    */
819   GLuint numClipRects;			/* Cliprects for the draw buffer */
820   XF86DRIClipRectPtr pClipRects;
821   unsigned int lastStamp;
822   GLboolean lost_context;
823   r200ScreenPtr r200Screen;	/* Screen private DRI data */
824   RADEONSAREAPrivPtr sarea;		/* Private SAREA data */
825
826   /* TCL stuff
827    */
828   GLmatrix TexGenMatrix[R200_MAX_TEXTURE_UNITS];
829   GLboolean recheck_texgen[R200_MAX_TEXTURE_UNITS];
830   GLboolean TexGenNeedNormals[R200_MAX_TEXTURE_UNITS];
831   GLuint TexMatEnabled;
832   GLuint TexMatCompSel;
833   GLuint TexGenEnabled;
834   GLuint TexGenInputs;
835   GLuint TexGenCompSel;
836   GLmatrix tmpmat;
837
838   /* VBI / buffer swap
839    */
840   GLuint vbl_seq;
841   GLuint vblank_flags;
842
843   uint64_t swap_ust;
844   uint64_t swap_missed_ust;
845
846   GLuint swap_count;
847   GLuint swap_missed_count;
848
849   PFNGLXGETUSTPROC get_ust;
850
851   /* r200_tcl.c
852    */
853   struct r200_tcl_info tcl;
854
855   /* r200_swtcl.c
856    */
857   struct r200_swtcl_info swtcl;
858
859   /* r200_vtxfmt.c
860    */
861   struct r200_vbinfo vb;
862
863   /* Mirrors of some DRI state
864    */
865   struct r200_dri_mirror dri;
866
867   /* Configuration cache
868    */
869   driOptionCache optionCache;
870};
871
872#define R200_CONTEXT(ctx)		((r200ContextPtr)(ctx->DriverCtx))
873
874
875static __inline GLuint r200PackColor( GLuint cpp,
876					GLubyte r, GLubyte g,
877					GLubyte b, GLubyte a )
878{
879   switch ( cpp ) {
880   case 2:
881      return PACK_COLOR_565( r, g, b );
882   case 4:
883      return PACK_COLOR_8888( a, r, g, b );
884   default:
885      return 0;
886   }
887}
888
889#define R200_OLD_PACKETS 0
890
891
892extern void r200DestroyContext( __DRIcontextPrivate *driContextPriv );
893extern GLboolean r200CreateContext( const __GLcontextModes *glVisual,
894				    __DRIcontextPrivate *driContextPriv,
895				    void *sharedContextPrivate);
896extern void r200SwapBuffers( __DRIdrawablePrivate *dPriv );
897extern GLboolean r200MakeCurrent( __DRIcontextPrivate *driContextPriv,
898				  __DRIdrawablePrivate *driDrawPriv,
899				  __DRIdrawablePrivate *driReadPriv );
900extern GLboolean r200UnbindContext( __DRIcontextPrivate *driContextPriv );
901
902/* ================================================================
903 * Debugging:
904 */
905#define DO_DEBUG		1
906
907#if DO_DEBUG
908extern int R200_DEBUG;
909#else
910#define R200_DEBUG		0
911#endif
912
913#define DEBUG_TEXTURE	0x001
914#define DEBUG_STATE	0x002
915#define DEBUG_IOCTL	0x004
916#define DEBUG_PRIMS	0x008
917#define DEBUG_VERTS	0x010
918#define DEBUG_FALLBACKS	0x020
919#define DEBUG_VFMT	0x040
920#define DEBUG_CODEGEN	0x080
921#define DEBUG_VERBOSE	0x100
922#define DEBUG_DRI       0x200
923#define DEBUG_DMA       0x400
924#define DEBUG_SANITY    0x800
925#define DEBUG_SYNC      0x1000
926#define DEBUG_PIXEL     0x2000
927#define DEBUG_MEMORY    0x4000
928
929#endif
930#endif /* __R200_CONTEXT_H__ */
931