intel_context.h revision 7d99ddcb2bb09f1f54d91e6e20e42d217a5bccdf 
1/**************************************************************************
2 *
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef INTELCONTEXT_INC
29#define INTELCONTEXT_INC
30
31
32
33#include "main/mtypes.h"
34#include "main/mm.h"
35#include "texmem.h"
36#include "drm.h"
37#include "intel_bufmgr.h"
38
39#include "intel_screen.h"
40#include "intel_tex_obj.h"
41#include "i915_drm.h"
42#include "tnl/t_vertex.h"
43
44#define TAG(x) intel##x
45#include "tnl_dd/t_dd_vertex.h"
46#undef TAG
47
48#define DV_PF_555  (1<<8)
49#define DV_PF_565  (2<<8)
50#define DV_PF_8888 (3<<8)
51
52struct intel_region;
53struct intel_context;
54
55typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
56                                intelVertex *, intelVertex *);
57typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
58                                 intelVertex *);
59typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
60
61#define INTEL_FALLBACK_DRAW_BUFFER	 0x1
62#define INTEL_FALLBACK_READ_BUFFER	 0x2
63#define INTEL_FALLBACK_DEPTH_BUFFER      0x4
64#define INTEL_FALLBACK_STENCIL_BUFFER    0x8
65#define INTEL_FALLBACK_USER		 0x10
66#define INTEL_FALLBACK_RENDERMODE	 0x20
67#define INTEL_FALLBACK_TEXTURE   	 0x40
68
69extern void intelFallback(struct intel_context *intel, GLuint bit,
70                          GLboolean mode);
71#define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
72
73
74#define INTEL_WRITE_PART  0x1
75#define INTEL_WRITE_FULL  0x2
76#define INTEL_READ        0x4
77
78#define INTEL_MAX_FIXUP 64
79
80struct intel_context
81{
82   GLcontext ctx;               /* the parent class */
83
84   struct
85   {
86      void (*destroy) (struct intel_context * intel);
87      void (*emit_state) (struct intel_context * intel);
88      void (*finish_batch) (struct intel_context * intel);
89      void (*new_batch) (struct intel_context * intel);
90      void (*emit_invarient_state) (struct intel_context * intel);
91      void (*note_fence) (struct intel_context *intel, GLuint fence);
92      void (*note_unlock) (struct intel_context *intel);
93      void (*update_texture_state) (struct intel_context * intel);
94
95      void (*render_start) (struct intel_context * intel);
96      void (*render_prevalidate) (struct intel_context * intel);
97      void (*set_draw_region) (struct intel_context * intel,
98                               struct intel_region * draw_regions[],
99                               struct intel_region * depth_region,
100			       GLuint num_regions);
101
102      GLuint (*flush_cmd) (void);
103      void (*emit_flush) (struct intel_context *intel, GLuint unused);
104
105      void (*reduced_primitive_state) (struct intel_context * intel,
106                                       GLenum rprim);
107
108      GLboolean (*check_vertex_size) (struct intel_context * intel,
109				      GLuint expected);
110      void (*invalidate_state) (struct intel_context *intel,
111				GLuint new_state);
112
113
114      /* Metaops:
115       */
116      void (*install_meta_state) (struct intel_context * intel);
117      void (*leave_meta_state) (struct intel_context * intel);
118
119      void (*meta_draw_region) (struct intel_context * intel,
120                                struct intel_region * draw_region,
121                                struct intel_region * depth_region);
122
123      void (*meta_draw_quad)(struct intel_context *intel,
124			     GLfloat x0, GLfloat x1,
125			     GLfloat y0, GLfloat y1,
126			     GLfloat z,
127			     GLuint color, /* ARGB32 */
128			     GLfloat s0, GLfloat s1,
129			     GLfloat t0, GLfloat t1);
130
131      void (*meta_color_mask) (struct intel_context * intel, GLboolean);
132
133      void (*meta_stencil_replace) (struct intel_context * intel,
134                                    GLuint mask, GLuint clear);
135
136      void (*meta_depth_replace) (struct intel_context * intel);
137
138      void (*meta_texture_blend_replace) (struct intel_context * intel);
139
140      void (*meta_no_stencil_write) (struct intel_context * intel);
141      void (*meta_no_depth_write) (struct intel_context * intel);
142      void (*meta_no_texture) (struct intel_context * intel);
143
144      void (*meta_import_pixel_state) (struct intel_context * intel);
145      void (*meta_frame_buffer_texture) (struct intel_context *intel,
146					 GLint xoff, GLint yoff);
147
148      GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
149					dri_bo * buffer,
150					GLuint offset,
151					GLuint pitch,
152					GLuint height,
153					GLenum format, GLenum type);
154
155      void (*assert_not_dirty) (struct intel_context *intel);
156
157      void (*debug_batch)(struct intel_context *intel);
158   } vtbl;
159
160   GLint refcount;
161   GLuint Fallback;
162   GLuint NewGLState;
163
164   dri_bufmgr *bufmgr;
165   unsigned int maxBatchSize;
166
167   struct intel_region *front_region;
168   struct intel_region *back_region;
169   struct intel_region *third_region;
170   struct intel_region *depth_region;
171
172   /**
173    * This value indicates that the kernel memory manager is being used
174    * instead of the fake client-side memory manager.
175    */
176   GLboolean ttm;
177
178   struct intel_batchbuffer *batch;
179   GLboolean no_batch_wrap;
180   unsigned batch_id;
181
182   struct
183   {
184      GLuint id;
185      uint32_t primitive;	/**< Current hardware primitive type */
186      void (*flush) (struct intel_context *);
187      dri_bo *vb_bo;
188      uint8_t *vb;
189      unsigned int start_offset; /**< Byte offset of primitive sequence */
190      unsigned int current_offset; /**< Byte offset of next vertex */
191      unsigned int count;	/**< Number of vertices in current primitive */
192   } prim;
193
194   GLuint stats_wm;
195   GLboolean locked;
196   char *prevLockFile;
197   int prevLockLine;
198
199   GLubyte clear_chan[4];
200   GLuint ClearColor565;
201   GLuint ClearColor8888;
202
203   /* Offsets of fields within the current vertex:
204    */
205   GLuint coloroffset;
206   GLuint specoffset;
207   GLuint wpos_offset;
208   GLuint wpos_size;
209
210   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
211   GLuint vertex_attr_count;
212
213   GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
214
215   GLboolean hw_stencil;
216   GLboolean hw_stipple;
217   GLboolean depth_buffer_is_float;
218   GLboolean no_rast;
219   GLboolean strict_conformance;
220
221   /* State for intelvb.c and inteltris.c.
222    */
223   GLuint RenderIndex;
224   GLmatrix ViewportMatrix;
225   GLenum render_primitive;
226   GLenum reduced_primitive;
227   GLuint vertex_size;
228   GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
229
230   /* Fallback rasterization functions
231    */
232   intel_point_func draw_point;
233   intel_line_func draw_line;
234   intel_tri_func draw_tri;
235
236   /* These refer to the current drawing buffer:
237    */
238   int drawX, drawY;            /**< origin of drawing area within region */
239   GLuint numClipRects;         /**< cliprects for drawing */
240   drm_clip_rect_t *pClipRects;
241   struct gl_texture_object *frame_buffer_texobj;
242   drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
243
244   int perf_boxes;
245
246   GLuint do_usleeps;
247   int do_irqs;
248   GLuint irqsEmitted;
249
250   GLboolean scissor;
251   drm_clip_rect_t draw_rect;
252   drm_clip_rect_t scissor_rect;
253
254   drm_context_t hHWContext;
255   drmLock *driHwLock;
256   int driFd;
257
258   __DRIcontextPrivate *driContext;
259   __DRIdrawablePrivate *driDrawable;
260   __DRIdrawablePrivate *driReadDrawable;
261   __DRIscreenPrivate *driScreen;
262   intelScreenPrivate *intelScreen;
263   volatile struct drm_i915_sarea *sarea;
264
265   GLuint lastStamp;
266
267   GLboolean no_hw;
268
269   /**
270    * Configuration cache
271    */
272   driOptionCache optionCache;
273
274   /* Last seen width/height of the screen */
275   int width;
276   int height;
277
278   int64_t swap_ust;
279   int64_t swap_missed_ust;
280
281   GLuint swap_count;
282   GLuint swap_missed_count;
283};
284
285/* These are functions now:
286 */
287void LOCK_HARDWARE( struct intel_context *intel );
288void UNLOCK_HARDWARE( struct intel_context *intel );
289
290extern char *__progname;
291
292
293#define SUBPIXEL_X 0.125
294#define SUBPIXEL_Y 0.125
295
296#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
297#define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
298
299#define INTEL_FIREVERTICES(intel)		\
300do {						\
301   if ((intel)->prim.flush)			\
302      (intel)->prim.flush(intel);		\
303} while (0)
304
305/* ================================================================
306 * Color packing:
307 */
308
309#define INTEL_PACKCOLOR4444(r,g,b,a) \
310  ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
311
312#define INTEL_PACKCOLOR1555(r,g,b,a) \
313  ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
314    ((a) ? 0x8000 : 0))
315
316#define INTEL_PACKCOLOR565(r,g,b) \
317  ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
318
319#define INTEL_PACKCOLOR8888(r,g,b,a) \
320  ((a<<24) | (r<<16) | (g<<8) | b)
321
322#define INTEL_PACKCOLOR(format, r,  g,  b, a)		\
323(format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :	\
324 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :	\
325  (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :	\
326   0)))
327
328/* ================================================================
329 * From linux kernel i386 header files, copes with odd sizes better
330 * than COPY_DWORDS would:
331 * XXX Put this in src/mesa/main/imports.h ???
332 */
333#if defined(i386) || defined(__i386__)
334static INLINE void * __memcpy(void * to, const void * from, size_t n)
335{
336   int d0, d1, d2;
337   __asm__ __volatile__(
338      "rep ; movsl\n\t"
339      "testb $2,%b4\n\t"
340      "je 1f\n\t"
341      "movsw\n"
342      "1:\ttestb $1,%b4\n\t"
343      "je 2f\n\t"
344      "movsb\n"
345      "2:"
346      : "=&c" (d0), "=&D" (d1), "=&S" (d2)
347      :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
348      : "memory");
349   return (to);
350}
351#else
352#define __memcpy(a,b,c) memcpy(a,b,c)
353#endif
354
355
356/* ================================================================
357 * Debugging:
358 */
359extern int INTEL_DEBUG;
360
361#define DEBUG_TEXTURE	0x1
362#define DEBUG_STATE	0x2
363#define DEBUG_IOCTL	0x4
364#define DEBUG_BLIT	0x8
365#define DEBUG_MIPTREE   0x10
366#define DEBUG_FALLBACKS	0x20
367#define DEBUG_VERBOSE	0x40
368#define DEBUG_BATCH     0x80
369#define DEBUG_PIXEL     0x100
370#define DEBUG_BUFMGR    0x200
371#define DEBUG_REGION    0x400
372#define DEBUG_FBO       0x800
373#define DEBUG_LOCK      0x1000
374#define DEBUG_SYNC	0x2000
375#define DEBUG_PRIMS	0x4000
376#define DEBUG_VERTS	0x8000
377#define DEBUG_DRI       0x10000
378#define DEBUG_DMA       0x20000
379#define DEBUG_SANITY    0x40000
380#define DEBUG_SLEEP     0x80000
381#define DEBUG_STATS     0x100000
382#define DEBUG_TILE      0x200000
383#define DEBUG_SINGLE_THREAD   0x400000
384#define DEBUG_WM        0x800000
385#define DEBUG_URB       0x1000000
386#define DEBUG_VS        0x2000000
387
388#define DBG(...) do {						\
389	if (INTEL_DEBUG & FILE_DEBUG_FLAG)			\
390		_mesa_printf(__VA_ARGS__);			\
391} while(0)
392
393#define PCI_CHIP_845_G			0x2562
394#define PCI_CHIP_I830_M			0x3577
395#define PCI_CHIP_I855_GM		0x3582
396#define PCI_CHIP_I865_G			0x2572
397#define PCI_CHIP_I915_G			0x2582
398#define PCI_CHIP_I915_GM		0x2592
399#define PCI_CHIP_I945_G			0x2772
400#define PCI_CHIP_I945_GM		0x27A2
401#define PCI_CHIP_I945_GME		0x27AE
402#define PCI_CHIP_G33_G			0x29C2
403#define PCI_CHIP_Q35_G			0x29B2
404#define PCI_CHIP_Q33_G			0x29D2
405
406
407/* ================================================================
408 * intel_context.c:
409 */
410
411extern GLboolean intelInitContext(struct intel_context *intel,
412                                  const __GLcontextModes * mesaVis,
413                                  __DRIcontextPrivate * driContextPriv,
414                                  void *sharedContextPrivate,
415                                  struct dd_function_table *functions);
416
417extern void intelGetLock(struct intel_context *intel, GLuint flags);
418
419extern void intelFinish(GLcontext * ctx);
420extern void intelFlush(GLcontext * ctx);
421
422extern void intelInitDriverFunctions(struct dd_function_table *functions);
423extern void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
424
425
426/* ================================================================
427 * intel_state.c:
428 */
429extern void intelInitStateFuncs(struct dd_function_table *functions);
430
431#define COMPAREFUNC_ALWAYS		0
432#define COMPAREFUNC_NEVER		0x1
433#define COMPAREFUNC_LESS		0x2
434#define COMPAREFUNC_EQUAL		0x3
435#define COMPAREFUNC_LEQUAL		0x4
436#define COMPAREFUNC_GREATER		0x5
437#define COMPAREFUNC_NOTEQUAL		0x6
438#define COMPAREFUNC_GEQUAL		0x7
439
440#define STENCILOP_KEEP			0
441#define STENCILOP_ZERO			0x1
442#define STENCILOP_REPLACE		0x2
443#define STENCILOP_INCRSAT		0x3
444#define STENCILOP_DECRSAT		0x4
445#define STENCILOP_INCR			0x5
446#define STENCILOP_DECR			0x6
447#define STENCILOP_INVERT		0x7
448
449#define LOGICOP_CLEAR			0
450#define LOGICOP_NOR			0x1
451#define LOGICOP_AND_INV 		0x2
452#define LOGICOP_COPY_INV		0x3
453#define LOGICOP_AND_RVRSE		0x4
454#define LOGICOP_INV			0x5
455#define LOGICOP_XOR			0x6
456#define LOGICOP_NAND			0x7
457#define LOGICOP_AND			0x8
458#define LOGICOP_EQUIV			0x9
459#define LOGICOP_NOOP			0xa
460#define LOGICOP_OR_INV			0xb
461#define LOGICOP_COPY			0xc
462#define LOGICOP_OR_RVRSE		0xd
463#define LOGICOP_OR			0xe
464#define LOGICOP_SET			0xf
465
466#define BLENDFACT_ZERO			0x01
467#define BLENDFACT_ONE			0x02
468#define BLENDFACT_SRC_COLR		0x03
469#define BLENDFACT_INV_SRC_COLR 		0x04
470#define BLENDFACT_SRC_ALPHA		0x05
471#define BLENDFACT_INV_SRC_ALPHA 	0x06
472#define BLENDFACT_DST_ALPHA		0x07
473#define BLENDFACT_INV_DST_ALPHA 	0x08
474#define BLENDFACT_DST_COLR		0x09
475#define BLENDFACT_INV_DST_COLR		0x0a
476#define BLENDFACT_SRC_ALPHA_SATURATE	0x0b
477#define BLENDFACT_CONST_COLOR		0x0c
478#define BLENDFACT_INV_CONST_COLOR	0x0d
479#define BLENDFACT_CONST_ALPHA		0x0e
480#define BLENDFACT_INV_CONST_ALPHA	0x0f
481#define BLENDFACT_MASK          	0x0f
482
483enum {
484   DRI_CONF_BO_REUSE_DISABLED,
485   DRI_CONF_BO_REUSE_ALL
486};
487
488extern int intel_translate_shadow_compare_func(GLenum func);
489extern int intel_translate_compare_func(GLenum func);
490extern int intel_translate_stencil_op(GLenum op);
491extern int intel_translate_blend_factor(GLenum factor);
492extern int intel_translate_logic_op(GLenum opcode);
493
494void intel_update_renderbuffers(__DRIcontext *context,
495				__DRIdrawable *drawable);
496
497/*======================================================================
498 * Inline conversion functions.
499 * These are better-typed than the macros used previously:
500 */
501static INLINE struct intel_context *
502intel_context(GLcontext * ctx)
503{
504   return (struct intel_context *) ctx;
505}
506
507#endif
508