c743ab1c2462695626086dd8788bd3a13af12e3c
[mesa.git] / src / mesa / drivers / dri / intel / intel_context.h
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 "dri_metaops.h"
37 #include "drm.h"
38 #include "intel_bufmgr.h"
39
40 #include "intel_screen.h"
41 #include "intel_tex_obj.h"
42 #include "i915_drm.h"
43 #include "tnl/t_vertex.h"
44
45 #define TAG(x) intel##x
46 #include "tnl_dd/t_dd_vertex.h"
47 #undef TAG
48
49 #define DV_PF_555 (1<<8)
50 #define DV_PF_565 (2<<8)
51 #define DV_PF_8888 (3<<8)
52 #define DV_PF_4444 (8<<8)
53 #define DV_PF_1555 (9<<8)
54
55 struct intel_region;
56 struct intel_context;
57
58 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
59 intelVertex *, intelVertex *);
60 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
61 intelVertex *);
62 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
63
64 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
65 #define INTEL_FALLBACK_READ_BUFFER 0x2
66 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
67 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
68 #define INTEL_FALLBACK_USER 0x10
69 #define INTEL_FALLBACK_RENDERMODE 0x20
70 #define INTEL_FALLBACK_TEXTURE 0x40
71
72 extern void intelFallback(struct intel_context *intel, GLuint bit,
73 GLboolean mode);
74 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
75
76
77 #define INTEL_WRITE_PART 0x1
78 #define INTEL_WRITE_FULL 0x2
79 #define INTEL_READ 0x4
80
81 #define INTEL_MAX_FIXUP 64
82
83 struct intel_sync_object {
84 struct gl_sync_object Base;
85
86 /** Batch associated with this sync object */
87 drm_intel_bo *bo;
88 };
89
90 /**
91 * intel_context is derived from Mesa's context class: GLcontext.
92 */
93 struct intel_context
94 {
95 GLcontext ctx; /**< base class, must be first field */
96
97 struct
98 {
99 void (*destroy) (struct intel_context * intel);
100 void (*emit_state) (struct intel_context * intel);
101 void (*finish_batch) (struct intel_context * intel);
102 void (*new_batch) (struct intel_context * intel);
103 void (*emit_invarient_state) (struct intel_context * intel);
104 void (*note_fence) (struct intel_context *intel, GLuint fence);
105 void (*update_texture_state) (struct intel_context * intel);
106
107 void (*render_start) (struct intel_context * intel);
108 void (*render_prevalidate) (struct intel_context * intel);
109 void (*set_draw_region) (struct intel_context * intel,
110 struct intel_region * draw_regions[],
111 struct intel_region * depth_region,
112 GLuint num_regions);
113
114 GLuint (*flush_cmd) (void);
115
116 void (*reduced_primitive_state) (struct intel_context * intel,
117 GLenum rprim);
118
119 GLboolean (*check_vertex_size) (struct intel_context * intel,
120 GLuint expected);
121 void (*invalidate_state) (struct intel_context *intel,
122 GLuint new_state);
123
124
125 /* Metaops:
126 */
127 void (*install_meta_state) (struct intel_context * intel);
128 void (*leave_meta_state) (struct intel_context * intel);
129
130 void (*meta_draw_region) (struct intel_context * intel,
131 struct intel_region * draw_region,
132 struct intel_region * depth_region);
133
134 void (*meta_draw_quad)(struct intel_context *intel,
135 GLfloat x0, GLfloat x1,
136 GLfloat y0, GLfloat y1,
137 GLfloat z,
138 GLuint color, /* ARGB32 */
139 GLfloat s0, GLfloat s1,
140 GLfloat t0, GLfloat t1);
141
142 void (*meta_color_mask) (struct intel_context * intel, GLboolean);
143
144 void (*meta_stencil_replace) (struct intel_context * intel,
145 GLuint mask, GLuint clear);
146
147 void (*meta_depth_replace) (struct intel_context * intel);
148
149 void (*meta_texture_blend_replace) (struct intel_context * intel);
150
151 void (*meta_no_stencil_write) (struct intel_context * intel);
152 void (*meta_no_depth_write) (struct intel_context * intel);
153 void (*meta_no_texture) (struct intel_context * intel);
154
155 void (*meta_import_pixel_state) (struct intel_context * intel);
156 void (*meta_frame_buffer_texture) (struct intel_context *intel,
157 GLint xoff, GLint yoff);
158
159 GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
160 dri_bo * buffer,
161 GLuint offset,
162 GLuint pitch,
163 GLuint height,
164 GLenum format, GLenum type);
165
166 void (*assert_not_dirty) (struct intel_context *intel);
167
168 void (*debug_batch)(struct intel_context *intel);
169 } vtbl;
170
171 struct dri_metaops meta;
172
173 GLint refcount;
174 GLuint Fallback;
175 GLuint NewGLState;
176
177 dri_bufmgr *bufmgr;
178 unsigned int maxBatchSize;
179
180 struct intel_region *front_region;
181 struct intel_region *back_region;
182 struct intel_region *depth_region;
183
184 /**
185 * This value indicates that the kernel memory manager is being used
186 * instead of the fake client-side memory manager.
187 */
188 GLboolean ttm;
189
190 struct intel_batchbuffer *batch;
191 drm_intel_bo *first_post_swapbuffers_batch;
192 GLboolean no_batch_wrap;
193 unsigned batch_id;
194
195 struct
196 {
197 GLuint id;
198 uint32_t primitive; /**< Current hardware primitive type */
199 void (*flush) (struct intel_context *);
200 GLubyte *start_ptr; /**< for i8xx */
201 dri_bo *vb_bo;
202 uint8_t *vb;
203 unsigned int start_offset; /**< Byte offset of primitive sequence */
204 unsigned int current_offset; /**< Byte offset of next vertex */
205 unsigned int count; /**< Number of vertices in current primitive */
206 } prim;
207
208 GLuint stats_wm;
209 GLboolean locked;
210 char *prevLockFile;
211 int prevLockLine;
212
213 GLuint ClearColor565;
214 GLuint ClearColor8888;
215
216
217 /* Offsets of fields within the current vertex:
218 */
219 GLuint coloroffset;
220 GLuint specoffset;
221 GLuint wpos_offset;
222 GLuint wpos_size;
223
224 struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
225 GLuint vertex_attr_count;
226
227 GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
228
229 GLboolean hw_stencil;
230 GLboolean hw_stipple;
231 GLboolean depth_buffer_is_float;
232 GLboolean no_rast;
233 GLboolean always_flush_batch;
234 GLboolean always_flush_cache;
235
236 /* 0 - nonconformant, best performance;
237 * 1 - fallback to sw for known conformance bugs
238 * 2 - always fallback to sw
239 */
240 GLuint conformance_mode;
241
242 /* State for intelvb.c and inteltris.c.
243 */
244 GLuint RenderIndex;
245 GLmatrix ViewportMatrix;
246 GLenum render_primitive;
247 GLenum reduced_primitive;
248 GLuint vertex_size;
249 GLubyte *verts; /* points to tnl->clipspace.vertex_buf */
250
251 /* Fallback rasterization functions
252 */
253 intel_point_func draw_point;
254 intel_line_func draw_line;
255 intel_tri_func draw_tri;
256
257 /**
258 * Set to true if a single constant cliprect should be used in the
259 * batchbuffer. Otherwise, cliprects must be calculated at batchbuffer
260 * flush time while the lock is held.
261 */
262 GLboolean constant_cliprect;
263
264 /**
265 * In !constant_cliprect mode, set to true if the front cliprects should be
266 * used instead of back.
267 */
268 GLboolean front_cliprects;
269
270 /**
271 * Set if rendering has occured to the drawable's front buffer.
272 *
273 * This is used in the DRI2 case to detect that glFlush should also copy
274 * the contents of the fake front buffer to the real front buffer.
275 */
276 GLboolean front_buffer_dirty;
277
278 /**
279 * Track whether front-buffer rendering is currently enabled
280 *
281 * A separate flag is used to track this in order to support MRT more
282 * easily.
283 */
284 GLboolean is_front_buffer_rendering;
285 /**
286 * Track whether front-buffer is the current read target.
287 *
288 * This is closely associated with is_front_buffer_rendering, but may
289 * be set separately. The DRI2 fake front buffer must be referenced
290 * either way.
291 */
292 GLboolean is_front_buffer_reading;
293
294 GLboolean use_texture_tiling;
295 GLboolean use_early_z;
296
297 drm_clip_rect_t fboRect; /**< cliprect for FBO rendering */
298
299 int perf_boxes;
300
301 GLuint do_usleeps;
302 int do_irqs;
303 GLuint irqsEmitted;
304
305 GLboolean scissor;
306 drm_clip_rect_t draw_rect;
307 drm_clip_rect_t scissor_rect;
308
309 drm_context_t hHWContext;
310 drmLock *driHwLock;
311 int driFd;
312
313 __DRIcontextPrivate *driContext;
314 __DRIdrawablePrivate *driDrawable;
315 __DRIdrawablePrivate *driReadDrawable;
316 __DRIscreenPrivate *driScreen;
317 intelScreenPrivate *intelScreen;
318 volatile drm_i915_sarea_t *sarea;
319
320 GLuint lastStamp;
321
322 GLboolean no_hw;
323
324 /**
325 * Configuration cache
326 */
327 driOptionCache optionCache;
328
329 int64_t swap_ust;
330 int64_t swap_missed_ust;
331
332 GLuint swap_count;
333 GLuint swap_missed_count;
334 };
335
336 /* These are functions now:
337 */
338 void LOCK_HARDWARE( struct intel_context *intel );
339 void UNLOCK_HARDWARE( struct intel_context *intel );
340
341 extern char *__progname;
342
343
344 #define SUBPIXEL_X 0.125
345 #define SUBPIXEL_Y 0.125
346
347 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
348 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
349 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
350
351 #define INTEL_FIREVERTICES(intel) \
352 do { \
353 if ((intel)->prim.flush) \
354 (intel)->prim.flush(intel); \
355 } while (0)
356
357 /* ================================================================
358 * Color packing:
359 */
360
361 #define INTEL_PACKCOLOR4444(r,g,b,a) \
362 ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
363
364 #define INTEL_PACKCOLOR1555(r,g,b,a) \
365 ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
366 ((a) ? 0x8000 : 0))
367
368 #define INTEL_PACKCOLOR565(r,g,b) \
369 ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
370
371 #define INTEL_PACKCOLOR8888(r,g,b,a) \
372 ((a<<24) | (r<<16) | (g<<8) | b)
373
374 #define INTEL_PACKCOLOR(format, r, g, b, a) \
375 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \
376 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \
377 (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \
378 0)))
379
380 /* ================================================================
381 * From linux kernel i386 header files, copes with odd sizes better
382 * than COPY_DWORDS would:
383 * XXX Put this in src/mesa/main/imports.h ???
384 */
385 #if defined(i386) || defined(__i386__)
386 static INLINE void * __memcpy(void * to, const void * from, size_t n)
387 {
388 int d0, d1, d2;
389 __asm__ __volatile__(
390 "rep ; movsl\n\t"
391 "testb $2,%b4\n\t"
392 "je 1f\n\t"
393 "movsw\n"
394 "1:\ttestb $1,%b4\n\t"
395 "je 2f\n\t"
396 "movsb\n"
397 "2:"
398 : "=&c" (d0), "=&D" (d1), "=&S" (d2)
399 :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
400 : "memory");
401 return (to);
402 }
403 #else
404 #define __memcpy(a,b,c) memcpy(a,b,c)
405 #endif
406
407
408 /* ================================================================
409 * Debugging:
410 */
411 extern int INTEL_DEBUG;
412
413 #define DEBUG_TEXTURE 0x1
414 #define DEBUG_STATE 0x2
415 #define DEBUG_IOCTL 0x4
416 #define DEBUG_BLIT 0x8
417 #define DEBUG_MIPTREE 0x10
418 #define DEBUG_FALLBACKS 0x20
419 #define DEBUG_VERBOSE 0x40
420 #define DEBUG_BATCH 0x80
421 #define DEBUG_PIXEL 0x100
422 #define DEBUG_BUFMGR 0x200
423 #define DEBUG_REGION 0x400
424 #define DEBUG_FBO 0x800
425 #define DEBUG_LOCK 0x1000
426 #define DEBUG_SYNC 0x2000
427 #define DEBUG_PRIMS 0x4000
428 #define DEBUG_VERTS 0x8000
429 #define DEBUG_DRI 0x10000
430 #define DEBUG_DMA 0x20000
431 #define DEBUG_SANITY 0x40000
432 #define DEBUG_SLEEP 0x80000
433 #define DEBUG_STATS 0x100000
434 #define DEBUG_TILE 0x200000
435 #define DEBUG_SINGLE_THREAD 0x400000
436 #define DEBUG_WM 0x800000
437 #define DEBUG_URB 0x1000000
438 #define DEBUG_VS 0x2000000
439
440 #define DBG(...) do { \
441 if (INTEL_DEBUG & FILE_DEBUG_FLAG) \
442 _mesa_printf(__VA_ARGS__); \
443 } while(0)
444
445 #define PCI_CHIP_845_G 0x2562
446 #define PCI_CHIP_I830_M 0x3577
447 #define PCI_CHIP_I855_GM 0x3582
448 #define PCI_CHIP_I865_G 0x2572
449 #define PCI_CHIP_I915_G 0x2582
450 #define PCI_CHIP_I915_GM 0x2592
451 #define PCI_CHIP_I945_G 0x2772
452 #define PCI_CHIP_I945_GM 0x27A2
453 #define PCI_CHIP_I945_GME 0x27AE
454 #define PCI_CHIP_G33_G 0x29C2
455 #define PCI_CHIP_Q35_G 0x29B2
456 #define PCI_CHIP_Q33_G 0x29D2
457
458
459 /* ================================================================
460 * intel_context.c:
461 */
462
463 extern GLboolean intelInitContext(struct intel_context *intel,
464 const __GLcontextModes * mesaVis,
465 __DRIcontextPrivate * driContextPriv,
466 void *sharedContextPrivate,
467 struct dd_function_table *functions);
468
469 extern void intelGetLock(struct intel_context *intel, GLuint flags);
470
471 extern void intelFinish(GLcontext * ctx);
472 extern void intelFlush(GLcontext * ctx);
473
474 extern void intelInitDriverFunctions(struct dd_function_table *functions);
475
476 void intel_init_syncobj_functions(struct dd_function_table *functions);
477
478
479 /* ================================================================
480 * intel_state.c:
481 */
482 extern void intelInitStateFuncs(struct dd_function_table *functions);
483
484 #define COMPAREFUNC_ALWAYS 0
485 #define COMPAREFUNC_NEVER 0x1
486 #define COMPAREFUNC_LESS 0x2
487 #define COMPAREFUNC_EQUAL 0x3
488 #define COMPAREFUNC_LEQUAL 0x4
489 #define COMPAREFUNC_GREATER 0x5
490 #define COMPAREFUNC_NOTEQUAL 0x6
491 #define COMPAREFUNC_GEQUAL 0x7
492
493 #define STENCILOP_KEEP 0
494 #define STENCILOP_ZERO 0x1
495 #define STENCILOP_REPLACE 0x2
496 #define STENCILOP_INCRSAT 0x3
497 #define STENCILOP_DECRSAT 0x4
498 #define STENCILOP_INCR 0x5
499 #define STENCILOP_DECR 0x6
500 #define STENCILOP_INVERT 0x7
501
502 #define LOGICOP_CLEAR 0
503 #define LOGICOP_NOR 0x1
504 #define LOGICOP_AND_INV 0x2
505 #define LOGICOP_COPY_INV 0x3
506 #define LOGICOP_AND_RVRSE 0x4
507 #define LOGICOP_INV 0x5
508 #define LOGICOP_XOR 0x6
509 #define LOGICOP_NAND 0x7
510 #define LOGICOP_AND 0x8
511 #define LOGICOP_EQUIV 0x9
512 #define LOGICOP_NOOP 0xa
513 #define LOGICOP_OR_INV 0xb
514 #define LOGICOP_COPY 0xc
515 #define LOGICOP_OR_RVRSE 0xd
516 #define LOGICOP_OR 0xe
517 #define LOGICOP_SET 0xf
518
519 #define BLENDFACT_ZERO 0x01
520 #define BLENDFACT_ONE 0x02
521 #define BLENDFACT_SRC_COLR 0x03
522 #define BLENDFACT_INV_SRC_COLR 0x04
523 #define BLENDFACT_SRC_ALPHA 0x05
524 #define BLENDFACT_INV_SRC_ALPHA 0x06
525 #define BLENDFACT_DST_ALPHA 0x07
526 #define BLENDFACT_INV_DST_ALPHA 0x08
527 #define BLENDFACT_DST_COLR 0x09
528 #define BLENDFACT_INV_DST_COLR 0x0a
529 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
530 #define BLENDFACT_CONST_COLOR 0x0c
531 #define BLENDFACT_INV_CONST_COLOR 0x0d
532 #define BLENDFACT_CONST_ALPHA 0x0e
533 #define BLENDFACT_INV_CONST_ALPHA 0x0f
534 #define BLENDFACT_MASK 0x0f
535
536 enum {
537 DRI_CONF_BO_REUSE_DISABLED,
538 DRI_CONF_BO_REUSE_ALL
539 };
540
541 extern int intel_translate_shadow_compare_func(GLenum func);
542 extern int intel_translate_compare_func(GLenum func);
543 extern int intel_translate_stencil_op(GLenum op);
544 extern int intel_translate_blend_factor(GLenum factor);
545 extern int intel_translate_logic_op(GLenum opcode);
546
547 void intel_viewport(GLcontext * ctx, GLint x, GLint y,
548 GLsizei width, GLsizei height);
549
550 void intel_update_renderbuffers(__DRIcontext *context,
551 __DRIdrawable *drawable);
552
553 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
554 uint32_t buffer_id);
555
556 /*======================================================================
557 * Inline conversion functions.
558 * These are better-typed than the macros used previously:
559 */
560 static INLINE struct intel_context *
561 intel_context(GLcontext * ctx)
562 {
563 return (struct intel_context *) ctx;
564 }
565
566 static INLINE GLboolean
567 is_power_of_two(uint32_t value)
568 {
569 return (value & (value - 1)) == 0;
570 }
571
572 #endif