radeon_context.h revision 247f3b3e81fffa86c50531070fab573e26ffb452
1/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_context.h,v 1.6 2002/12/16 16:18:58 dawes Exp $ */
2/**************************************************************************
3
4Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
5                     VA Linux Systems Inc., Fremont, California.
6
7All Rights Reserved.
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 *   Kevin E. Martin <martin@valinux.com>
34 *   Gareth Hughes <gareth@valinux.com>
35 *   Keith Whitwell <keith@tungstengraphics.com>
36 */
37
38#ifndef __RADEON_CONTEXT_H__
39#define __RADEON_CONTEXT_H__
40
41#include "tnl/t_vertex.h"
42#include "dri_util.h"
43#include "drm.h"
44#include "radeon_drm.h"
45#include "texmem.h"
46
47#include "macros.h"
48#include "mtypes.h"
49#include "colormac.h"
50
51struct radeon_context;
52typedef struct radeon_context radeonContextRec;
53typedef struct radeon_context *radeonContextPtr;
54
55#include "radeon_lock.h"
56#include "radeon_screen.h"
57#include "mm.h"
58
59#include "math/m_vector.h"
60
61/* Flags for software fallback cases */
62/* See correponding strings in radeon_swtcl.c */
63#define RADEON_FALLBACK_TEXTURE		0x0001
64#define RADEON_FALLBACK_DRAW_BUFFER	0x0002
65#define RADEON_FALLBACK_STENCIL		0x0004
66#define RADEON_FALLBACK_RENDER_MODE	0x0008
67#define RADEON_FALLBACK_BLEND_EQ	0x0010
68#define RADEON_FALLBACK_BLEND_FUNC	0x0020
69#define RADEON_FALLBACK_DISABLE 	0x0040
70#define RADEON_FALLBACK_BORDER_MODE	0x0080
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) radeon##x
80#include "tnl_dd/t_dd_vertex.h"
81#undef TAG
82
83typedef void (*radeon_tri_func)( radeonContextPtr,
84				 radeonVertex *,
85				 radeonVertex *,
86				 radeonVertex * );
87
88typedef void (*radeon_line_func)( radeonContextPtr,
89				  radeonVertex *,
90				  radeonVertex * );
91
92typedef void (*radeon_point_func)( radeonContextPtr,
93				   radeonVertex * );
94
95
96struct radeon_colorbuffer_state {
97   GLuint clear;
98   int roundEnable;
99};
100
101
102struct radeon_depthbuffer_state {
103   GLuint clear;
104   GLfloat scale;
105};
106
107struct radeon_scissor_state {
108   drm_clip_rect_t rect;
109   GLboolean enabled;
110
111   GLuint numClipRects;			/* Cliprects active */
112   GLuint numAllocedClipRects;		/* Cliprects available */
113   drm_clip_rect_t *pClipRects;
114};
115
116struct radeon_stencilbuffer_state {
117   GLboolean hwBuffer;
118   GLuint clear;			/* rb3d_stencilrefmask value */
119};
120
121struct radeon_stipple_state {
122   GLuint mask[32];
123};
124
125/* used for both tcl_vtx and vc_frmt tex bits (they are identical) */
126#define RADEON_ST_BIT(unit) \
127(unit == 0 ? RADEON_CP_VC_FRMT_ST0 : (RADEON_CP_VC_FRMT_ST1 >> 2) << (2 * unit))
128
129#define RADEON_Q_BIT(unit) \
130(unit == 0 ? RADEON_CP_VC_FRMT_Q0 : (RADEON_CP_VC_FRMT_Q1 >> 2) << (2 * unit))
131
132#define TEX_0   0x1
133#define TEX_1   0x2
134#define TEX_2   0x4
135#define TEX_ALL 0x7
136
137typedef struct radeon_tex_obj radeonTexObj, *radeonTexObjPtr;
138
139/* Texture object in locally shared texture space.
140 */
141struct radeon_tex_obj {
142   driTextureObject   base;
143
144   GLuint bufAddr;			/* Offset to start of locally
145					   shared texture block */
146
147   GLuint dirty_state;		        /* Flags (1 per texunit) for
148					   whether or not this texobj
149					   has dirty hardware state
150					   (pp_*) that needs to be
151					   brought into the
152					   texunit. */
153
154   drm_radeon_tex_image_t image[6][RADEON_MAX_TEXTURE_LEVELS];
155					/* Six, for the cube faces */
156
157   GLuint pp_txfilter;		        /* hardware register values */
158   GLuint pp_txformat;
159   GLuint pp_txoffset;		        /* Image location in texmem.
160					   All cube faces follow. */
161   GLuint pp_txsize;		        /* npot only */
162   GLuint pp_txpitch;		        /* npot only */
163   GLuint pp_border_color;
164   GLuint pp_cubic_faces;	        /* cube face 1,2,3,4 log2 sizes */
165
166   GLboolean  border_fallback;
167
168   GLuint tile_bits;			/* hw texture tile bits used on this texture */
169};
170
171
172struct radeon_texture_env_state {
173   radeonTexObjPtr texobj;
174   GLenum format;
175   GLenum envMode;
176};
177
178struct radeon_texture_state {
179   struct radeon_texture_env_state unit[RADEON_MAX_TEXTURE_UNITS];
180};
181
182
183struct radeon_state_atom {
184   struct radeon_state_atom *next, *prev;
185   const char *name;		         /* for debug */
186   int cmd_size;		         /* size in bytes */
187   GLuint is_tcl;
188   int *cmd;			         /* one or more cmd's */
189   int *lastcmd;			 /* one or more cmd's */
190   GLboolean dirty;                      /* dirty-mark in emit_state_list */
191   GLboolean (*check)( GLcontext * );    /* is this state active? */
192};
193
194
195
196/* Trying to keep these relatively short as the variables are becoming
197 * extravagently long.  Drop the driver name prefix off the front of
198 * everything - I think we know which driver we're in by now, and keep the
199 * prefix to 3 letters unless absolutely impossible.
200 */
201
202#define CTX_CMD_0             0
203#define CTX_PP_MISC           1
204#define CTX_PP_FOG_COLOR      2
205#define CTX_RE_SOLID_COLOR    3
206#define CTX_RB3D_BLENDCNTL    4
207#define CTX_RB3D_DEPTHOFFSET  5
208#define CTX_RB3D_DEPTHPITCH   6
209#define CTX_RB3D_ZSTENCILCNTL 7
210#define CTX_CMD_1             8
211#define CTX_PP_CNTL           9
212#define CTX_RB3D_CNTL         10
213#define CTX_RB3D_COLOROFFSET  11
214#define CTX_CMD_2             12
215#define CTX_RB3D_COLORPITCH   13
216#define CTX_STATE_SIZE        14
217
218#define SET_CMD_0               0
219#define SET_SE_CNTL             1
220#define SET_SE_COORDFMT         2
221#define SET_CMD_1               3
222#define SET_SE_CNTL_STATUS      4
223#define SET_STATE_SIZE          5
224
225#define LIN_CMD_0               0
226#define LIN_RE_LINE_PATTERN     1
227#define LIN_RE_LINE_STATE       2
228#define LIN_CMD_1               3
229#define LIN_SE_LINE_WIDTH       4
230#define LIN_STATE_SIZE          5
231
232#define MSK_CMD_0               0
233#define MSK_RB3D_STENCILREFMASK 1
234#define MSK_RB3D_ROPCNTL        2
235#define MSK_RB3D_PLANEMASK      3
236#define MSK_STATE_SIZE          4
237
238#define VPT_CMD_0           0
239#define VPT_SE_VPORT_XSCALE          1
240#define VPT_SE_VPORT_XOFFSET         2
241#define VPT_SE_VPORT_YSCALE          3
242#define VPT_SE_VPORT_YOFFSET         4
243#define VPT_SE_VPORT_ZSCALE          5
244#define VPT_SE_VPORT_ZOFFSET         6
245#define VPT_STATE_SIZE      7
246
247#define MSC_CMD_0               0
248#define MSC_RE_MISC             1
249#define MSC_STATE_SIZE          2
250
251#define TEX_CMD_0                   0
252#define TEX_PP_TXFILTER             1
253#define TEX_PP_TXFORMAT             2
254#define TEX_PP_TXOFFSET             3
255#define TEX_PP_TXCBLEND             4
256#define TEX_PP_TXABLEND             5
257#define TEX_PP_TFACTOR              6
258#define TEX_CMD_1                   7
259#define TEX_PP_BORDER_COLOR         8
260#define TEX_STATE_SIZE              9
261
262#define TXR_CMD_0                   0 /* rectangle textures */
263#define TXR_PP_TEX_SIZE             1 /* 0x1d04, 0x1d0c for NPOT! */
264#define TXR_PP_TEX_PITCH            2 /* 0x1d08, 0x1d10 for NPOT! */
265#define TXR_STATE_SIZE              3
266
267#define CUBE_CMD_0                  0
268#define CUBE_PP_CUBIC_FACES         1
269#define CUBE_CMD_1                  2
270#define CUBE_PP_CUBIC_OFFSET_0      3
271#define CUBE_PP_CUBIC_OFFSET_1      4
272#define CUBE_PP_CUBIC_OFFSET_2      5
273#define CUBE_PP_CUBIC_OFFSET_3      6
274#define CUBE_PP_CUBIC_OFFSET_4      7
275#define CUBE_STATE_SIZE             8
276
277#define ZBS_CMD_0              0
278#define ZBS_SE_ZBIAS_FACTOR             1
279#define ZBS_SE_ZBIAS_CONSTANT           2
280#define ZBS_STATE_SIZE         3
281
282#define TCL_CMD_0                        0
283#define TCL_OUTPUT_VTXFMT         1
284#define TCL_OUTPUT_VTXSEL         2
285#define TCL_MATRIX_SELECT_0       3
286#define TCL_MATRIX_SELECT_1       4
287#define TCL_UCP_VERT_BLEND_CTL    5
288#define TCL_TEXTURE_PROC_CTL      6
289#define TCL_LIGHT_MODEL_CTL       7
290#define TCL_PER_LIGHT_CTL_0       8
291#define TCL_PER_LIGHT_CTL_1       9
292#define TCL_PER_LIGHT_CTL_2       10
293#define TCL_PER_LIGHT_CTL_3       11
294#define TCL_STATE_SIZE                   12
295
296#define MTL_CMD_0            0
297#define MTL_EMMISSIVE_RED    1
298#define MTL_EMMISSIVE_GREEN  2
299#define MTL_EMMISSIVE_BLUE   3
300#define MTL_EMMISSIVE_ALPHA  4
301#define MTL_AMBIENT_RED      5
302#define MTL_AMBIENT_GREEN    6
303#define MTL_AMBIENT_BLUE     7
304#define MTL_AMBIENT_ALPHA    8
305#define MTL_DIFFUSE_RED      9
306#define MTL_DIFFUSE_GREEN    10
307#define MTL_DIFFUSE_BLUE     11
308#define MTL_DIFFUSE_ALPHA    12
309#define MTL_SPECULAR_RED     13
310#define MTL_SPECULAR_GREEN   14
311#define MTL_SPECULAR_BLUE    15
312#define MTL_SPECULAR_ALPHA   16
313#define MTL_SHININESS        17
314#define MTL_STATE_SIZE       18
315
316#define VTX_CMD_0              0
317#define VTX_SE_COORD_FMT       1
318#define VTX_STATE_SIZE         2
319
320#define MAT_CMD_0              0
321#define MAT_ELT_0              1
322#define MAT_STATE_SIZE         17
323
324#define GRD_CMD_0                  0
325#define GRD_VERT_GUARD_CLIP_ADJ    1
326#define GRD_VERT_GUARD_DISCARD_ADJ 2
327#define GRD_HORZ_GUARD_CLIP_ADJ    3
328#define GRD_HORZ_GUARD_DISCARD_ADJ 4
329#define GRD_STATE_SIZE             5
330
331/* position changes frequently when lighting in modelpos - separate
332 * out to new state item?
333 */
334#define LIT_CMD_0                  0
335#define LIT_AMBIENT_RED            1
336#define LIT_AMBIENT_GREEN          2
337#define LIT_AMBIENT_BLUE           3
338#define LIT_AMBIENT_ALPHA          4
339#define LIT_DIFFUSE_RED            5
340#define LIT_DIFFUSE_GREEN          6
341#define LIT_DIFFUSE_BLUE           7
342#define LIT_DIFFUSE_ALPHA          8
343#define LIT_SPECULAR_RED           9
344#define LIT_SPECULAR_GREEN         10
345#define LIT_SPECULAR_BLUE          11
346#define LIT_SPECULAR_ALPHA         12
347#define LIT_POSITION_X             13
348#define LIT_POSITION_Y             14
349#define LIT_POSITION_Z             15
350#define LIT_POSITION_W             16
351#define LIT_DIRECTION_X            17
352#define LIT_DIRECTION_Y            18
353#define LIT_DIRECTION_Z            19
354#define LIT_DIRECTION_W            20
355#define LIT_ATTEN_QUADRATIC        21
356#define LIT_ATTEN_LINEAR           22
357#define LIT_ATTEN_CONST            23
358#define LIT_ATTEN_XXX              24
359#define LIT_CMD_1                  25
360#define LIT_SPOT_DCD               26
361#define LIT_SPOT_EXPONENT          27
362#define LIT_SPOT_CUTOFF            28
363#define LIT_SPECULAR_THRESH        29
364#define LIT_RANGE_CUTOFF           30 /* ? */
365#define LIT_ATTEN_CONST_INV        31
366#define LIT_STATE_SIZE             32
367
368/* Fog
369 */
370#define FOG_CMD_0      0
371#define FOG_R          1
372#define FOG_C          2
373#define FOG_D          3
374#define FOG_PAD        4
375#define FOG_STATE_SIZE 5
376
377/* UCP
378 */
379#define UCP_CMD_0      0
380#define UCP_X          1
381#define UCP_Y          2
382#define UCP_Z          3
383#define UCP_W          4
384#define UCP_STATE_SIZE 5
385
386/* GLT - Global ambient
387 */
388#define GLT_CMD_0      0
389#define GLT_RED        1
390#define GLT_GREEN      2
391#define GLT_BLUE       3
392#define GLT_ALPHA      4
393#define GLT_STATE_SIZE 5
394
395/* EYE
396 */
397#define EYE_CMD_0          0
398#define EYE_X              1
399#define EYE_Y              2
400#define EYE_Z              3
401#define EYE_RESCALE_FACTOR 4
402#define EYE_STATE_SIZE     5
403
404#define SHN_CMD_0          0
405#define SHN_SHININESS      1
406#define SHN_STATE_SIZE     2
407
408
409
410
411
412struct radeon_hw_state {
413   /* Head of the linked list of state atoms. */
414   struct radeon_state_atom atomlist;
415
416   /* Hardware state, stored as cmdbuf commands:
417    *   -- Need to doublebuffer for
418    *           - eliding noop statechange loops? (except line stipple count)
419    */
420   struct radeon_state_atom ctx;
421   struct radeon_state_atom set;
422   struct radeon_state_atom lin;
423   struct radeon_state_atom msk;
424   struct radeon_state_atom vpt;
425   struct radeon_state_atom tcl;
426   struct radeon_state_atom msc;
427   struct radeon_state_atom tex[3];
428   struct radeon_state_atom cube[3];
429   struct radeon_state_atom zbs;
430   struct radeon_state_atom mtl;
431   struct radeon_state_atom mat[6];
432   struct radeon_state_atom lit[8]; /* includes vec, scl commands */
433   struct radeon_state_atom ucp[6];
434   struct radeon_state_atom eye; /* eye pos */
435   struct radeon_state_atom grd; /* guard band clipping */
436   struct radeon_state_atom fog;
437   struct radeon_state_atom glt;
438   struct radeon_state_atom txr[3]; /* for NPOT */
439
440   int max_state_size;	/* Number of bytes necessary for a full state emit. */
441   GLboolean is_dirty, all_dirty;
442};
443
444struct radeon_state {
445   /* Derived state for internal purposes:
446    */
447   struct radeon_colorbuffer_state color;
448   struct radeon_depthbuffer_state depth;
449   struct radeon_scissor_state scissor;
450   struct radeon_stencilbuffer_state stencil;
451   struct radeon_stipple_state stipple;
452   struct radeon_texture_state texture;
453};
454
455
456/* Need refcounting on dma buffers:
457 */
458struct radeon_dma_buffer {
459   int refcount;		/* the number of retained regions in buf */
460   drmBufPtr buf;
461};
462
463#define GET_START(rvb) (rmesa->radeonScreen->gart_buffer_offset +			\
464			(rvb)->address - rmesa->dma.buf0_address +	\
465			(rvb)->start)
466
467/* A retained region, eg vertices for indexed vertices.
468 */
469struct radeon_dma_region {
470   struct radeon_dma_buffer *buf;
471   char *address;		/* == buf->address */
472   int start, end, ptr;		/* offsets from start of buf */
473   int aos_start;
474   int aos_stride;
475   int aos_size;
476};
477
478
479struct radeon_dma {
480   /* Active dma region.  Allocations for vertices and retained
481    * regions come from here.  Also used for emitting random vertices,
482    * these may be flushed by calling flush_current();
483    */
484   struct radeon_dma_region current;
485
486   void (*flush)( radeonContextPtr );
487
488   char *buf0_address;		/* start of buf[0], for index calcs */
489   GLuint nr_released_bufs;	/* flush after so many buffers released */
490};
491
492struct radeon_dri_mirror {
493   __DRIcontextPrivate	*context;	/* DRI context */
494   __DRIscreenPrivate	*screen;	/* DRI screen */
495   __DRIdrawablePrivate	*drawable;	/* DRI drawable bound to this ctx */
496
497   drm_context_t hwContext;
498   drm_hw_lock_t *hwLock;
499   int fd;
500   int drmMinor;
501};
502
503
504#define RADEON_CMD_BUF_SZ  (8*1024)
505
506struct radeon_store {
507   GLuint statenr;
508   GLuint primnr;
509   char cmd_buf[RADEON_CMD_BUF_SZ];
510   int cmd_used;
511   int elts_start;
512};
513
514
515/* radeon_tcl.c
516 */
517struct radeon_tcl_info {
518   GLuint vertex_format;
519   GLint last_offset;
520   GLuint hw_primitive;
521
522   /* Temporary for cases where incoming vertex data is incompatible
523    * with maos code.
524    */
525   GLvector4f ObjClean;
526
527   struct radeon_dma_region *aos_components[8];
528   GLuint nr_aos_components;
529
530   GLuint *Elts;
531
532   struct radeon_dma_region indexed_verts;
533   struct radeon_dma_region obj;
534   struct radeon_dma_region rgba;
535   struct radeon_dma_region spec;
536   struct radeon_dma_region fog;
537   struct radeon_dma_region tex[RADEON_MAX_TEXTURE_UNITS];
538   struct radeon_dma_region norm;
539};
540
541
542/* radeon_swtcl.c
543 */
544struct radeon_swtcl_info {
545   GLuint RenderIndex;
546   GLuint vertex_size;
547   GLuint vertex_format;
548
549   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
550   GLuint vertex_attr_count;
551
552   GLubyte *verts;
553
554   /* Fallback rasterization functions
555    */
556   radeon_point_func draw_point;
557   radeon_line_func draw_line;
558   radeon_tri_func draw_tri;
559
560   GLuint hw_primitive;
561   GLenum render_primitive;
562   GLuint numverts;
563
564   /**
565    * Offset of the 4UB color data within a hardware (swtcl) vertex.
566    */
567   GLuint coloroffset;
568
569   /**
570    * Offset of the 3UB specular color data within a hardware (swtcl) vertex.
571    */
572   GLuint specoffset;
573
574   GLboolean needproj;
575
576   struct radeon_dma_region indexed_verts;
577};
578
579
580struct radeon_ioctl {
581   GLuint vertex_offset;
582   GLuint vertex_size;
583};
584
585
586
587#define RADEON_MAX_PRIMS 64
588
589
590/* Want to keep a cache of these around.  Each is parameterized by
591 * only a single value which has only a small range.  Only expect a
592 * few, so just rescan the list each time?
593 */
594struct dynfn {
595   struct dynfn *next, *prev;
596   int key;
597   char *code;
598};
599
600struct dfn_lists {
601   struct dynfn Vertex2f;
602   struct dynfn Vertex2fv;
603   struct dynfn Vertex3f;
604   struct dynfn Vertex3fv;
605   struct dynfn Color4ub;
606   struct dynfn Color4ubv;
607   struct dynfn Color3ub;
608   struct dynfn Color3ubv;
609   struct dynfn Color4f;
610   struct dynfn Color4fv;
611   struct dynfn Color3f;
612   struct dynfn Color3fv;
613   struct dynfn SecondaryColor3ubEXT;
614   struct dynfn SecondaryColor3ubvEXT;
615   struct dynfn SecondaryColor3fEXT;
616   struct dynfn SecondaryColor3fvEXT;
617   struct dynfn Normal3f;
618   struct dynfn Normal3fv;
619   struct dynfn TexCoord2f;
620   struct dynfn TexCoord2fv;
621   struct dynfn TexCoord1f;
622   struct dynfn TexCoord1fv;
623   struct dynfn MultiTexCoord2fARB;
624   struct dynfn MultiTexCoord2fvARB;
625   struct dynfn MultiTexCoord1fARB;
626   struct dynfn MultiTexCoord1fvARB;
627};
628
629struct dfn_generators {
630   struct dynfn *(*Vertex2f)( GLcontext *, int );
631   struct dynfn *(*Vertex2fv)( GLcontext *, int );
632   struct dynfn *(*Vertex3f)( GLcontext *, int );
633   struct dynfn *(*Vertex3fv)( GLcontext *, int );
634   struct dynfn *(*Color4ub)( GLcontext *, int );
635   struct dynfn *(*Color4ubv)( GLcontext *, int );
636   struct dynfn *(*Color3ub)( GLcontext *, int );
637   struct dynfn *(*Color3ubv)( GLcontext *, int );
638   struct dynfn *(*Color4f)( GLcontext *, int );
639   struct dynfn *(*Color4fv)( GLcontext *, int );
640   struct dynfn *(*Color3f)( GLcontext *, int );
641   struct dynfn *(*Color3fv)( GLcontext *, int );
642   struct dynfn *(*SecondaryColor3ubEXT)( GLcontext *, int );
643   struct dynfn *(*SecondaryColor3ubvEXT)( GLcontext *, int );
644   struct dynfn *(*SecondaryColor3fEXT)( GLcontext *, int );
645   struct dynfn *(*SecondaryColor3fvEXT)( GLcontext *, int );
646   struct dynfn *(*Normal3f)( GLcontext *, int );
647   struct dynfn *(*Normal3fv)( GLcontext *, int );
648   struct dynfn *(*TexCoord2f)( GLcontext *, int );
649   struct dynfn *(*TexCoord2fv)( GLcontext *, int );
650   struct dynfn *(*TexCoord1f)( GLcontext *, int );
651   struct dynfn *(*TexCoord1fv)( GLcontext *, int );
652   struct dynfn *(*MultiTexCoord2fARB)( GLcontext *, int );
653   struct dynfn *(*MultiTexCoord2fvARB)( GLcontext *, int );
654   struct dynfn *(*MultiTexCoord1fARB)( GLcontext *, int );
655   struct dynfn *(*MultiTexCoord1fvARB)( GLcontext *, int );
656};
657
658
659
660struct radeon_prim {
661   GLuint start;
662   GLuint end;
663   GLuint prim;
664};
665
666/* A maximum total of 20 elements per vertex:  3 floats for position, 3
667 * floats for normal, 4 floats for color, 4 bytes for secondary color,
668 * 3 floats for each texture unit (9 floats total).
669 *
670 * The position data is never actually stored here, so 3 elements could be
671 * trimmed out of the buffer. This number is only valid for vtxfmt!
672 */
673#define RADEON_MAX_VERTEX_SIZE 20
674
675struct radeon_vbinfo {
676   GLint counter, initial_counter;
677   GLint *dmaptr;
678   void (*notify)( void );
679   GLint vertex_size;
680
681   union { float f; int i; radeon_color_t color; } vertex[RADEON_MAX_VERTEX_SIZE];
682
683   GLfloat *normalptr;
684   GLfloat *floatcolorptr;
685   radeon_color_t *colorptr;
686   GLfloat *floatspecptr;
687   radeon_color_t *specptr;
688   GLfloat *texcoordptr[4];	/* 3 (TMU) + 1 for radeon_vtxfmt_c.c when GL_TEXTURE3 */
689
690   GLenum *prim;		/* &ctx->Driver.CurrentExecPrimitive */
691   GLuint primflags;
692   GLboolean enabled;		/* *_NO_VTXFMT / *_NO_TCL env vars */
693   GLboolean installed;
694   GLboolean fell_back;
695   GLboolean recheck;
696   GLint nrverts;
697   GLuint vertex_format;
698
699   GLuint installed_vertex_format;
700   GLuint installed_color_3f_sz;
701
702   struct radeon_prim primlist[RADEON_MAX_PRIMS];
703   int nrprims;
704
705   struct dfn_lists dfn_cache;
706   struct dfn_generators codegen;
707   GLvertexformat vtxfmt;
708};
709
710
711
712
713struct radeon_context {
714   GLcontext *glCtx;			/* Mesa context */
715
716   /* Driver and hardware state management
717    */
718   struct radeon_hw_state hw;
719   struct radeon_state state;
720
721   /* Texture object bookkeeping
722    */
723   unsigned              nr_heaps;
724   driTexHeap          * texture_heaps[ RADEON_NR_TEX_HEAPS ];
725   driTextureObject      swapped;
726   int                   texture_depth;
727   float                 initialMaxAnisotropy;
728
729   /* Rasterization and vertex state:
730    */
731   GLuint TclFallback;
732   GLuint Fallback;
733   GLuint NewGLState;
734   GLuint tnl_index;	/* index of bits for last tnl_install_attrs */
735
736   /* Vertex buffers
737    */
738   struct radeon_ioctl ioctl;
739   struct radeon_dma dma;
740   struct radeon_store store;
741   /* A full state emit as of the first state emit in the main store, in case
742    * the context is lost.
743    */
744   struct radeon_store backup_store;
745
746   /* Page flipping
747    */
748   GLuint doPageFlip;
749
750   /* Busy waiting
751    */
752   GLuint do_usleeps;
753   GLuint do_irqs;
754   GLuint irqsEmitted;
755   drm_radeon_irq_wait_t iw;
756
757   /* Drawable, cliprect and scissor information
758    */
759   GLuint numClipRects;			/* Cliprects for the draw buffer */
760   drm_clip_rect_t *pClipRects;
761   unsigned int lastStamp;
762   GLboolean lost_context;
763   GLboolean save_on_next_emit;
764   radeonScreenPtr radeonScreen;	/* Screen private DRI data */
765   drm_radeon_sarea_t *sarea;		/* Private SAREA data */
766
767   /* TCL stuff
768    */
769   GLmatrix TexGenMatrix[RADEON_MAX_TEXTURE_UNITS];
770   GLboolean recheck_texgen[RADEON_MAX_TEXTURE_UNITS];
771   GLboolean TexGenNeedNormals[RADEON_MAX_TEXTURE_UNITS];
772   GLuint TexGenEnabled;
773   GLuint NeedTexMatrix;
774   GLuint TexMatColSwap;
775   GLmatrix tmpmat[RADEON_MAX_TEXTURE_UNITS];
776   GLuint last_ReallyEnabled;
777
778   /* VBI
779    */
780   GLuint vbl_seq;
781   GLuint vblank_flags;
782
783   int64_t swap_ust;
784   int64_t swap_missed_ust;
785
786   GLuint swap_count;
787   GLuint swap_missed_count;
788
789
790   /* radeon_tcl.c
791    */
792   struct radeon_tcl_info tcl;
793
794   /* radeon_swtcl.c
795    */
796   struct radeon_swtcl_info swtcl;
797
798   /* radeon_vtxfmt.c
799    */
800   struct radeon_vbinfo vb;
801
802   /* Mirrors of some DRI state
803    */
804   struct radeon_dri_mirror dri;
805
806   /* Configuration cache
807    */
808   driOptionCache optionCache;
809
810   GLboolean using_hyperz;
811   GLboolean texmicrotile;
812
813   /* Performance counters
814    */
815   GLuint boxes;			/* Draw performance boxes */
816   GLuint hardwareWentIdle;
817   GLuint c_clears;
818   GLuint c_drawWaits;
819   GLuint c_textureSwaps;
820   GLuint c_textureBytes;
821   GLuint c_vertexBuffers;
822};
823
824#define RADEON_CONTEXT(ctx)		((radeonContextPtr)(ctx->DriverCtx))
825
826
827static __inline GLuint radeonPackColor( GLuint cpp,
828					GLubyte r, GLubyte g,
829					GLubyte b, GLubyte a )
830{
831   switch ( cpp ) {
832   case 2:
833      return PACK_COLOR_565( r, g, b );
834   case 4:
835      return PACK_COLOR_8888( a, r, g, b );
836   default:
837      return 0;
838   }
839}
840
841#define RADEON_OLD_PACKETS 1
842
843
844extern void radeonDestroyContext( __DRIcontextPrivate *driContextPriv );
845extern GLboolean radeonCreateContext(const __GLcontextModes *glVisual,
846				     __DRIcontextPrivate *driContextPriv,
847				     void *sharedContextPrivate);
848extern void radeonSwapBuffers( __DRIdrawablePrivate *dPriv );
849extern GLboolean radeonMakeCurrent( __DRIcontextPrivate *driContextPriv,
850				    __DRIdrawablePrivate *driDrawPriv,
851				    __DRIdrawablePrivate *driReadPriv );
852extern GLboolean radeonUnbindContext( __DRIcontextPrivate *driContextPriv );
853
854/* ================================================================
855 * Debugging:
856 */
857#define DO_DEBUG		1
858
859#if DO_DEBUG
860extern int RADEON_DEBUG;
861#else
862#define RADEON_DEBUG		0
863#endif
864
865#define DEBUG_TEXTURE	0x001
866#define DEBUG_STATE	0x002
867#define DEBUG_IOCTL	0x004
868#define DEBUG_PRIMS	0x008
869#define DEBUG_VERTS	0x010
870#define DEBUG_FALLBACKS	0x020
871#define DEBUG_VFMT	0x040
872#define DEBUG_CODEGEN	0x080
873#define DEBUG_VERBOSE	0x100
874#define DEBUG_DRI       0x200
875#define DEBUG_DMA       0x400
876#define DEBUG_SANITY    0x800
877#define DEBUG_SYNC     0x1000
878
879#endif /* __RADEON_CONTEXT_H__ */
880