radeon_context.h revision c06b25594e5effe34a90c067e1a3da0f61cf2b13
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#ifdef GLX_DIRECT_RENDERING
42
43#include "dri_util.h"
44#include "drm.h"
45#include "radeon_drm.h"
46#include "texmem.h"
47
48#include "macros.h"
49#include "mtypes.h"
50#include "colormac.h"
51
52struct radeon_context;
53typedef struct radeon_context radeonContextRec;
54typedef struct radeon_context *radeonContextPtr;
55
56#include "radeon_lock.h"
57#include "radeon_screen.h"
58#include "mm.h"
59
60#include "math/m_vector.h"
61
62/* Flags for software fallback cases */
63/* See correponding strings in radeon_swtcl.c */
64#define RADEON_FALLBACK_TEXTURE		0x0001
65#define RADEON_FALLBACK_DRAW_BUFFER	0x0002
66#define RADEON_FALLBACK_STENCIL		0x0004
67#define RADEON_FALLBACK_RENDER_MODE	0x0008
68#define RADEON_FALLBACK_BLEND_EQ	0x0010
69#define RADEON_FALLBACK_BLEND_FUNC	0x0020
70#define RADEON_FALLBACK_DISABLE 	0x0040
71#define RADEON_FALLBACK_BORDER_MODE	0x0080
72
73/* The blit width for texture uploads
74 */
75#define BLIT_WIDTH_BYTES 1024
76
77/* Use the templated vertex format:
78 */
79#define COLOR_IS_RGBA
80#define TAG(x) radeon##x
81#include "tnl_dd/t_dd_vertex.h"
82#undef TAG
83
84typedef void (*radeon_tri_func)( radeonContextPtr,
85				 radeonVertex *,
86				 radeonVertex *,
87				 radeonVertex * );
88
89typedef void (*radeon_line_func)( radeonContextPtr,
90				  radeonVertex *,
91				  radeonVertex * );
92
93typedef void (*radeon_point_func)( radeonContextPtr,
94				   radeonVertex * );
95
96
97struct radeon_colorbuffer_state {
98   GLuint clear;
99   GLint drawOffset, drawPitch;
100   int roundEnable;
101};
102
103
104struct radeon_depthbuffer_state {
105   GLuint clear;
106   GLfloat scale;
107};
108
109struct radeon_pixel_state {
110   GLint readOffset, readPitch;
111};
112
113struct radeon_scissor_state {
114   drm_clip_rect_t rect;
115   GLboolean enabled;
116
117   GLuint numClipRects;			/* Cliprects active */
118   GLuint numAllocedClipRects;		/* Cliprects available */
119   drm_clip_rect_t *pClipRects;
120};
121
122struct radeon_stencilbuffer_state {
123   GLboolean hwBuffer;
124   GLuint clear;			/* rb3d_stencilrefmask value */
125};
126
127struct radeon_stipple_state {
128   GLuint mask[32];
129};
130
131
132
133#define TEX_0   0x1
134#define TEX_1   0x2
135#define TEX_ALL 0x3
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
169
170struct radeon_texture_env_state {
171   radeonTexObjPtr texobj;
172   GLenum format;
173   GLenum envMode;
174};
175
176struct radeon_texture_state {
177   struct radeon_texture_env_state unit[RADEON_MAX_TEXTURE_UNITS];
178};
179
180
181struct radeon_state_atom {
182   struct radeon_state_atom *next, *prev;
183   const char *name;		         /* for debug */
184   int cmd_size;		         /* size in bytes */
185   GLuint is_tcl;
186   int *cmd;			         /* one or more cmd's */
187   int *lastcmd;			 /* one or more cmd's */
188   GLboolean dirty;                      /* dirty-mark in emit_state_list */
189   GLboolean (*check)( GLcontext * );    /* is this state active? */
190};
191
192
193
194/* Trying to keep these relatively short as the variables are becoming
195 * extravagently long.  Drop the driver name prefix off the front of
196 * everything - I think we know which driver we're in by now, and keep the
197 * prefix to 3 letters unless absolutely impossible.
198 */
199
200#define CTX_CMD_0             0
201#define CTX_PP_MISC           1
202#define CTX_PP_FOG_COLOR      2
203#define CTX_RE_SOLID_COLOR    3
204#define CTX_RB3D_BLENDCNTL    4
205#define CTX_RB3D_DEPTHOFFSET  5
206#define CTX_RB3D_DEPTHPITCH   6
207#define CTX_RB3D_ZSTENCILCNTL 7
208#define CTX_CMD_1             8
209#define CTX_PP_CNTL           9
210#define CTX_RB3D_CNTL         10
211#define CTX_RB3D_COLOROFFSET  11
212#define CTX_CMD_2             12
213#define CTX_RB3D_COLORPITCH   13
214#define CTX_STATE_SIZE        14
215
216#define SET_CMD_0               0
217#define SET_SE_CNTL             1
218#define SET_SE_COORDFMT         2
219#define SET_CMD_1               3
220#define SET_SE_CNTL_STATUS      4
221#define SET_STATE_SIZE          5
222
223#define LIN_CMD_0               0
224#define LIN_RE_LINE_PATTERN     1
225#define LIN_RE_LINE_STATE       2
226#define LIN_CMD_1               3
227#define LIN_SE_LINE_WIDTH       4
228#define LIN_STATE_SIZE          5
229
230#define MSK_CMD_0               0
231#define MSK_RB3D_STENCILREFMASK 1
232#define MSK_RB3D_ROPCNTL        2
233#define MSK_RB3D_PLANEMASK      3
234#define MSK_STATE_SIZE          4
235
236#define VPT_CMD_0           0
237#define VPT_SE_VPORT_XSCALE          1
238#define VPT_SE_VPORT_XOFFSET         2
239#define VPT_SE_VPORT_YSCALE          3
240#define VPT_SE_VPORT_YOFFSET         4
241#define VPT_SE_VPORT_ZSCALE          5
242#define VPT_SE_VPORT_ZOFFSET         6
243#define VPT_STATE_SIZE      7
244
245#define MSC_CMD_0               0
246#define MSC_RE_MISC             1
247#define MSC_STATE_SIZE          2
248
249#define TEX_CMD_0                   0
250#define TEX_PP_TXFILTER             1
251#define TEX_PP_TXFORMAT             2
252#define TEX_PP_TXOFFSET             3
253#define TEX_PP_TXCBLEND             4
254#define TEX_PP_TXABLEND             5
255#define TEX_PP_TFACTOR              6
256#define TEX_CMD_1                   7
257#define TEX_PP_BORDER_COLOR         8
258#define TEX_STATE_SIZE              9
259
260#define TXR_CMD_0                   0 /* rectangle textures */
261#define TXR_PP_TEX_SIZE             1 /* 0x1d04, 0x1d0c for NPOT! */
262#define TXR_PP_TEX_PITCH            2 /* 0x1d08, 0x1d10 for NPOT! */
263#define TXR_STATE_SIZE              3
264
265#define ZBS_CMD_0              0
266#define ZBS_SE_ZBIAS_FACTOR             1
267#define ZBS_SE_ZBIAS_CONSTANT           2
268#define ZBS_STATE_SIZE         3
269
270#define TCL_CMD_0                        0
271#define TCL_OUTPUT_VTXFMT         1
272#define TCL_OUTPUT_VTXSEL         2
273#define TCL_MATRIX_SELECT_0       3
274#define TCL_MATRIX_SELECT_1       4
275#define TCL_UCP_VERT_BLEND_CTL    5
276#define TCL_TEXTURE_PROC_CTL      6
277#define TCL_LIGHT_MODEL_CTL       7
278#define TCL_PER_LIGHT_CTL_0       8
279#define TCL_PER_LIGHT_CTL_1       9
280#define TCL_PER_LIGHT_CTL_2       10
281#define TCL_PER_LIGHT_CTL_3       11
282#define TCL_STATE_SIZE                   12
283
284#define MTL_CMD_0            0
285#define MTL_EMMISSIVE_RED    1
286#define MTL_EMMISSIVE_GREEN  2
287#define MTL_EMMISSIVE_BLUE   3
288#define MTL_EMMISSIVE_ALPHA  4
289#define MTL_AMBIENT_RED      5
290#define MTL_AMBIENT_GREEN    6
291#define MTL_AMBIENT_BLUE     7
292#define MTL_AMBIENT_ALPHA    8
293#define MTL_DIFFUSE_RED      9
294#define MTL_DIFFUSE_GREEN    10
295#define MTL_DIFFUSE_BLUE     11
296#define MTL_DIFFUSE_ALPHA    12
297#define MTL_SPECULAR_RED     13
298#define MTL_SPECULAR_GREEN   14
299#define MTL_SPECULAR_BLUE    15
300#define MTL_SPECULAR_ALPHA   16
301#define MTL_SHININESS        17
302#define MTL_STATE_SIZE       18
303
304#define VTX_CMD_0              0
305#define VTX_SE_COORD_FMT       1
306#define VTX_STATE_SIZE         2
307
308#define MAT_CMD_0              0
309#define MAT_ELT_0              1
310#define MAT_STATE_SIZE         17
311
312#define GRD_CMD_0                  0
313#define GRD_VERT_GUARD_CLIP_ADJ    1
314#define GRD_VERT_GUARD_DISCARD_ADJ 2
315#define GRD_HORZ_GUARD_CLIP_ADJ    3
316#define GRD_HORZ_GUARD_DISCARD_ADJ 4
317#define GRD_STATE_SIZE             5
318
319/* position changes frequently when lighting in modelpos - separate
320 * out to new state item?
321 */
322#define LIT_CMD_0                  0
323#define LIT_AMBIENT_RED            1
324#define LIT_AMBIENT_GREEN          2
325#define LIT_AMBIENT_BLUE           3
326#define LIT_AMBIENT_ALPHA          4
327#define LIT_DIFFUSE_RED            5
328#define LIT_DIFFUSE_GREEN          6
329#define LIT_DIFFUSE_BLUE           7
330#define LIT_DIFFUSE_ALPHA          8
331#define LIT_SPECULAR_RED           9
332#define LIT_SPECULAR_GREEN         10
333#define LIT_SPECULAR_BLUE          11
334#define LIT_SPECULAR_ALPHA         12
335#define LIT_POSITION_X             13
336#define LIT_POSITION_Y             14
337#define LIT_POSITION_Z             15
338#define LIT_POSITION_W             16
339#define LIT_DIRECTION_X            17
340#define LIT_DIRECTION_Y            18
341#define LIT_DIRECTION_Z            19
342#define LIT_DIRECTION_W            20
343#define LIT_ATTEN_QUADRATIC        21
344#define LIT_ATTEN_LINEAR           22
345#define LIT_ATTEN_CONST            23
346#define LIT_ATTEN_XXX              24
347#define LIT_CMD_1                  25
348#define LIT_SPOT_DCD               26
349#define LIT_SPOT_EXPONENT          27
350#define LIT_SPOT_CUTOFF            28
351#define LIT_SPECULAR_THRESH        29
352#define LIT_RANGE_CUTOFF           30 /* ? */
353#define LIT_ATTEN_CONST_INV        31
354#define LIT_STATE_SIZE             32
355
356/* Fog
357 */
358#define FOG_CMD_0      0
359#define FOG_R          1
360#define FOG_C          2
361#define FOG_D          3
362#define FOG_PAD        4
363#define FOG_STATE_SIZE 5
364
365/* UCP
366 */
367#define UCP_CMD_0      0
368#define UCP_X          1
369#define UCP_Y          2
370#define UCP_Z          3
371#define UCP_W          4
372#define UCP_STATE_SIZE 5
373
374/* GLT - Global ambient
375 */
376#define GLT_CMD_0      0
377#define GLT_RED        1
378#define GLT_GREEN      2
379#define GLT_BLUE       3
380#define GLT_ALPHA      4
381#define GLT_STATE_SIZE 5
382
383/* EYE
384 */
385#define EYE_CMD_0          0
386#define EYE_X              1
387#define EYE_Y              2
388#define EYE_Z              3
389#define EYE_RESCALE_FACTOR 4
390#define EYE_STATE_SIZE     5
391
392#define SHN_CMD_0          0
393#define SHN_SHININESS      1
394#define SHN_STATE_SIZE     2
395
396
397
398
399
400struct radeon_hw_state {
401   /* All state should be on one of these lists:
402    */
403   struct radeon_state_atom dirty; /* dirty list head placeholder */
404   struct radeon_state_atom clean; /* clean list head placeholder */
405
406   /* Hardware state, stored as cmdbuf commands:
407    *   -- Need to doublebuffer for
408    *           - reviving state after loss of context
409    *           - eliding noop statechange loops? (except line stipple count)
410    */
411   struct radeon_state_atom ctx;
412   struct radeon_state_atom set;
413   struct radeon_state_atom lin;
414   struct radeon_state_atom msk;
415   struct radeon_state_atom vpt;
416   struct radeon_state_atom tcl;
417   struct radeon_state_atom msc;
418   struct radeon_state_atom tex[2];
419   struct radeon_state_atom zbs;
420   struct radeon_state_atom mtl;
421   struct radeon_state_atom mat[5];
422   struct radeon_state_atom lit[8]; /* includes vec, scl commands */
423   struct radeon_state_atom ucp[6];
424   struct radeon_state_atom eye; /* eye pos */
425   struct radeon_state_atom grd; /* guard band clipping */
426   struct radeon_state_atom fog;
427   struct radeon_state_atom glt;
428   struct radeon_state_atom txr[2]; /* for NPOT */
429};
430
431struct radeon_state {
432   /* Derived state for internal purposes:
433    */
434   struct radeon_colorbuffer_state color;
435   struct radeon_depthbuffer_state depth;
436   struct radeon_pixel_state pixel;
437   struct radeon_scissor_state scissor;
438   struct radeon_stencilbuffer_state stencil;
439   struct radeon_stipple_state stipple;
440   struct radeon_texture_state texture;
441};
442
443
444/* Need refcounting on dma buffers:
445 */
446struct radeon_dma_buffer {
447   int refcount;		/* the number of retained regions in buf */
448   drmBufPtr buf;
449};
450
451#define GET_START(rvb) (rmesa->radeonScreen->gart_buffer_offset +			\
452			(rvb)->address - rmesa->dma.buf0_address +	\
453			(rvb)->start)
454
455/* A retained region, eg vertices for indexed vertices.
456 */
457struct radeon_dma_region {
458   struct radeon_dma_buffer *buf;
459   char *address;		/* == buf->address */
460   int start, end, ptr;		/* offsets from start of buf */
461   int aos_start;
462   int aos_stride;
463   int aos_size;
464};
465
466
467struct radeon_dma {
468   /* Active dma region.  Allocations for vertices and retained
469    * regions come from here.  Also used for emitting random vertices,
470    * these may be flushed by calling flush_current();
471    */
472   struct radeon_dma_region current;
473
474   void (*flush)( radeonContextPtr );
475
476   char *buf0_address;		/* start of buf[0], for index calcs */
477   GLuint nr_released_bufs;	/* flush after so many buffers released */
478};
479
480struct radeon_dri_mirror {
481   __DRIcontextPrivate	*context;	/* DRI context */
482   __DRIscreenPrivate	*screen;	/* DRI screen */
483   __DRIdrawablePrivate	*drawable;	/* DRI drawable bound to this ctx */
484
485   drm_context_t hwContext;
486   drm_hw_lock_t *hwLock;
487   int fd;
488   int drmMinor;
489};
490
491
492#define RADEON_CMD_BUF_SZ  (8*1024)
493
494struct radeon_store {
495   GLuint statenr;
496   GLuint primnr;
497   char cmd_buf[RADEON_CMD_BUF_SZ];
498   int cmd_used;
499   int elts_start;
500};
501
502
503/* radeon_tcl.c
504 */
505struct radeon_tcl_info {
506   GLuint vertex_format;
507   GLint last_offset;
508   GLuint hw_primitive;
509
510   /* Temporary for cases where incoming vertex data is incompatible
511    * with maos code.
512    */
513   GLvector4f ObjClean;
514
515   struct radeon_dma_region *aos_components[8];
516   GLuint nr_aos_components;
517
518   GLuint *Elts;
519
520   struct radeon_dma_region indexed_verts;
521   struct radeon_dma_region obj;
522   struct radeon_dma_region rgba;
523   struct radeon_dma_region spec;
524   struct radeon_dma_region fog;
525   struct radeon_dma_region tex[RADEON_MAX_TEXTURE_UNITS];
526   struct radeon_dma_region norm;
527};
528
529
530/* radeon_swtcl.c
531 */
532struct radeon_swtcl_info {
533   GLuint SetupIndex;
534   GLuint SetupNewInputs;
535   GLuint RenderIndex;
536   GLuint vertex_size;
537   GLuint vertex_stride_shift;
538   GLuint vertex_format;
539   GLubyte *verts;
540
541   /* Fallback rasterization functions
542    */
543   radeon_point_func draw_point;
544   radeon_line_func draw_line;
545   radeon_tri_func draw_tri;
546
547   GLuint hw_primitive;
548   GLenum render_primitive;
549   GLuint numverts;
550
551   struct radeon_dma_region indexed_verts;
552};
553
554
555struct radeon_ioctl {
556   GLuint vertex_offset;
557   GLuint vertex_size;
558};
559
560
561
562#define RADEON_MAX_PRIMS 64
563
564
565/* Want to keep a cache of these around.  Each is parameterized by
566 * only a single value which has only a small range.  Only expect a
567 * few, so just rescan the list each time?
568 */
569struct dynfn {
570   struct dynfn *next, *prev;
571   int key;
572   char *code;
573};
574
575struct dfn_lists {
576   struct dynfn Vertex2f;
577   struct dynfn Vertex2fv;
578   struct dynfn Vertex3f;
579   struct dynfn Vertex3fv;
580   struct dynfn Color4ub;
581   struct dynfn Color4ubv;
582   struct dynfn Color3ub;
583   struct dynfn Color3ubv;
584   struct dynfn Color4f;
585   struct dynfn Color4fv;
586   struct dynfn Color3f;
587   struct dynfn Color3fv;
588   struct dynfn SecondaryColor3ubEXT;
589   struct dynfn SecondaryColor3ubvEXT;
590   struct dynfn SecondaryColor3fEXT;
591   struct dynfn SecondaryColor3fvEXT;
592   struct dynfn Normal3f;
593   struct dynfn Normal3fv;
594   struct dynfn TexCoord2f;
595   struct dynfn TexCoord2fv;
596   struct dynfn TexCoord1f;
597   struct dynfn TexCoord1fv;
598   struct dynfn MultiTexCoord2fARB;
599   struct dynfn MultiTexCoord2fvARB;
600   struct dynfn MultiTexCoord1fARB;
601   struct dynfn MultiTexCoord1fvARB;
602};
603
604struct dfn_generators {
605   struct dynfn *(*Vertex2f)( GLcontext *, int );
606   struct dynfn *(*Vertex2fv)( GLcontext *, int );
607   struct dynfn *(*Vertex3f)( GLcontext *, int );
608   struct dynfn *(*Vertex3fv)( GLcontext *, int );
609   struct dynfn *(*Color4ub)( GLcontext *, int );
610   struct dynfn *(*Color4ubv)( GLcontext *, int );
611   struct dynfn *(*Color3ub)( GLcontext *, int );
612   struct dynfn *(*Color3ubv)( GLcontext *, int );
613   struct dynfn *(*Color4f)( GLcontext *, int );
614   struct dynfn *(*Color4fv)( GLcontext *, int );
615   struct dynfn *(*Color3f)( GLcontext *, int );
616   struct dynfn *(*Color3fv)( GLcontext *, int );
617   struct dynfn *(*SecondaryColor3ubEXT)( GLcontext *, int );
618   struct dynfn *(*SecondaryColor3ubvEXT)( GLcontext *, int );
619   struct dynfn *(*SecondaryColor3fEXT)( GLcontext *, int );
620   struct dynfn *(*SecondaryColor3fvEXT)( GLcontext *, int );
621   struct dynfn *(*Normal3f)( GLcontext *, int );
622   struct dynfn *(*Normal3fv)( GLcontext *, int );
623   struct dynfn *(*TexCoord2f)( GLcontext *, int );
624   struct dynfn *(*TexCoord2fv)( GLcontext *, int );
625   struct dynfn *(*TexCoord1f)( GLcontext *, int );
626   struct dynfn *(*TexCoord1fv)( GLcontext *, int );
627   struct dynfn *(*MultiTexCoord2fARB)( GLcontext *, int );
628   struct dynfn *(*MultiTexCoord2fvARB)( GLcontext *, int );
629   struct dynfn *(*MultiTexCoord1fARB)( GLcontext *, int );
630   struct dynfn *(*MultiTexCoord1fvARB)( GLcontext *, int );
631};
632
633
634
635struct radeon_prim {
636   GLuint start;
637   GLuint end;
638   GLuint prim;
639};
640
641struct radeon_vbinfo {
642   GLint counter, initial_counter;
643   GLint *dmaptr;
644   void (*notify)( void );
645   GLint vertex_size;
646
647   /* A maximum total of 15 elements per vertex:  3 floats for position, 3
648    * floats for normal, 4 floats for color, 4 bytes for secondary color,
649    * 2 floats for each texture unit (4 floats total).
650    *
651    * As soon as the 3rd TMU is supported or cube maps (or 3D textures) are
652    * supported, this value will grow.
653    *
654    * The position data is never actually stored here, so 3 elements could be
655    * trimmed out of the buffer.
656    */
657   union { float f; int i; radeon_color_t color; } vertex[15];
658
659   GLfloat *normalptr;
660   GLfloat *floatcolorptr;
661   radeon_color_t *colorptr;
662   GLfloat *floatspecptr;
663   radeon_color_t *specptr;
664   GLfloat *texcoordptr[2];
665
666   GLenum *prim;		/* &ctx->Driver.CurrentExecPrimitive */
667   GLuint primflags;
668   GLboolean enabled;		/* *_NO_VTXFMT / *_NO_TCL env vars */
669   GLboolean installed;
670   GLboolean fell_back;
671   GLboolean recheck;
672   GLint nrverts;
673   GLuint vertex_format;
674
675   GLuint installed_vertex_format;
676   GLuint installed_color_3f_sz;
677
678   struct radeon_prim primlist[RADEON_MAX_PRIMS];
679   int nrprims;
680
681   struct dfn_lists dfn_cache;
682   struct dfn_generators codegen;
683   GLvertexformat vtxfmt;
684};
685
686
687
688
689struct radeon_context {
690   GLcontext *glCtx;			/* Mesa context */
691
692   /* Driver and hardware state management
693    */
694   struct radeon_hw_state hw;
695   struct radeon_state state;
696
697   /* Texture object bookkeeping
698    */
699   unsigned              nr_heaps;
700   driTexHeap          * texture_heaps[ RADEON_NR_TEX_HEAPS ];
701   driTextureObject      swapped;
702   int                   texture_depth;
703   float                 initialMaxAnisotropy;
704
705   /* Rasterization and vertex state:
706    */
707   GLuint TclFallback;
708   GLuint Fallback;
709   GLuint NewGLState;
710
711   /* Vertex buffers
712    */
713   struct radeon_ioctl ioctl;
714   struct radeon_dma dma;
715   struct radeon_store store;
716
717   /* Page flipping
718    */
719   GLuint doPageFlip;
720
721   /* Busy waiting
722    */
723   GLuint do_usleeps;
724   GLuint do_irqs;
725   GLuint irqsEmitted;
726   drm_radeon_irq_wait_t iw;
727
728   /* Drawable, cliprect and scissor information
729    */
730   GLuint numClipRects;			/* Cliprects for the draw buffer */
731   drm_clip_rect_t *pClipRects;
732   unsigned int lastStamp;
733   GLboolean lost_context;
734   radeonScreenPtr radeonScreen;	/* Screen private DRI data */
735   drm_radeon_sarea_t *sarea;		/* Private SAREA data */
736
737   /* TCL stuff
738    */
739   GLmatrix TexGenMatrix[RADEON_MAX_TEXTURE_UNITS];
740   GLboolean recheck_texgen[RADEON_MAX_TEXTURE_UNITS];
741   GLboolean TexGenNeedNormals[RADEON_MAX_TEXTURE_UNITS];
742   GLuint TexMatEnabled;
743   GLuint TexGenEnabled;
744   GLmatrix tmpmat;
745   GLuint last_ReallyEnabled;
746
747   /* VBI
748    */
749   GLuint vbl_seq;
750   GLuint vblank_flags;
751
752   int64_t swap_ust;
753   int64_t swap_missed_ust;
754
755   GLuint swap_count;
756   GLuint swap_missed_count;
757
758   PFNGLXGETUSTPROC get_ust;
759
760   /* radeon_tcl.c
761    */
762   struct radeon_tcl_info tcl;
763
764   /* radeon_swtcl.c
765    */
766   struct radeon_swtcl_info swtcl;
767
768   /* radeon_vtxfmt.c
769    */
770   struct radeon_vbinfo vb;
771
772   /* Mirrors of some DRI state
773    */
774   struct radeon_dri_mirror dri;
775
776   /* Configuration cache
777    */
778   driOptionCache optionCache;
779
780
781   /* Performance counters
782    */
783   GLuint boxes;			/* Draw performance boxes */
784   GLuint hardwareWentIdle;
785   GLuint c_clears;
786   GLuint c_drawWaits;
787   GLuint c_textureSwaps;
788   GLuint c_textureBytes;
789   GLuint c_vertexBuffers;
790};
791
792#define RADEON_CONTEXT(ctx)		((radeonContextPtr)(ctx->DriverCtx))
793
794
795static __inline GLuint radeonPackColor( GLuint cpp,
796					GLubyte r, GLubyte g,
797					GLubyte b, GLubyte a )
798{
799   switch ( cpp ) {
800   case 2:
801      return PACK_COLOR_565( r, g, b );
802   case 4:
803      return PACK_COLOR_8888( a, r, g, b );
804   default:
805      return 0;
806   }
807}
808
809#define RADEON_OLD_PACKETS 1
810
811
812extern void radeonDestroyContext( __DRIcontextPrivate *driContextPriv );
813extern GLboolean radeonCreateContext(const __GLcontextModes *glVisual,
814				     __DRIcontextPrivate *driContextPriv,
815				     void *sharedContextPrivate);
816extern void radeonSwapBuffers( __DRIdrawablePrivate *dPriv );
817extern GLboolean radeonMakeCurrent( __DRIcontextPrivate *driContextPriv,
818				    __DRIdrawablePrivate *driDrawPriv,
819				    __DRIdrawablePrivate *driReadPriv );
820extern GLboolean radeonUnbindContext( __DRIcontextPrivate *driContextPriv );
821
822/* ================================================================
823 * Debugging:
824 */
825#define DO_DEBUG		1
826
827#if DO_DEBUG
828extern int RADEON_DEBUG;
829#else
830#define RADEON_DEBUG		0
831#endif
832
833#define DEBUG_TEXTURE	0x001
834#define DEBUG_STATE	0x002
835#define DEBUG_IOCTL	0x004
836#define DEBUG_PRIMS	0x008
837#define DEBUG_VERTS	0x010
838#define DEBUG_FALLBACKS	0x020
839#define DEBUG_VFMT	0x040
840#define DEBUG_CODEGEN	0x080
841#define DEBUG_VERBOSE	0x100
842#define DEBUG_DRI       0x200
843#define DEBUG_DMA       0x400
844#define DEBUG_SANITY    0x800
845
846#endif
847#endif /* __RADEON_CONTEXT_H__ */
848