intel: Remove non-GEM support.
[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 /**
65 * Bits for intel->Fallback field
66 */
67 /*@{*/
68 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
69 #define INTEL_FALLBACK_READ_BUFFER 0x2
70 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
71 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
72 #define INTEL_FALLBACK_USER 0x10
73 #define INTEL_FALLBACK_RENDERMODE 0x20
74 #define INTEL_FALLBACK_TEXTURE 0x40
75 #define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
76 /*@}*/
77
78 extern void intelFallback(struct intel_context *intel, GLbitfield bit,
79 GLboolean mode);
80 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
81
82
83 #define INTEL_WRITE_PART 0x1
84 #define INTEL_WRITE_FULL 0x2
85 #define INTEL_READ 0x4
86
87 #define INTEL_MAX_FIXUP 64
88
89 struct intel_sync_object {
90 struct gl_sync_object Base;
91
92 /** Batch associated with this sync object */
93 drm_intel_bo *bo;
94 };
95
96 /**
97 * intel_context is derived from Mesa's context class: GLcontext.
98 */
99 struct intel_context
100 {
101 GLcontext ctx; /**< base class, must be first field */
102
103 struct
104 {
105 void (*destroy) (struct intel_context * intel);
106 void (*emit_state) (struct intel_context * intel);
107 void (*finish_batch) (struct intel_context * intel);
108 void (*new_batch) (struct intel_context * intel);
109 void (*emit_invarient_state) (struct intel_context * intel);
110 void (*note_fence) (struct intel_context *intel, GLuint fence);
111 void (*update_texture_state) (struct intel_context * intel);
112
113 void (*render_start) (struct intel_context * intel);
114 void (*render_prevalidate) (struct intel_context * intel);
115 void (*set_draw_region) (struct intel_context * intel,
116 struct intel_region * draw_regions[],
117 struct intel_region * depth_region,
118 GLuint num_regions);
119
120 void (*reduced_primitive_state) (struct intel_context * intel,
121 GLenum rprim);
122
123 GLboolean (*check_vertex_size) (struct intel_context * intel,
124 GLuint expected);
125 void (*invalidate_state) (struct intel_context *intel,
126 GLuint new_state);
127
128
129 /* Metaops:
130 */
131 void (*install_meta_state) (struct intel_context * intel);
132 void (*leave_meta_state) (struct intel_context * intel);
133
134 void (*meta_draw_region) (struct intel_context * intel,
135 struct intel_region * draw_region,
136 struct intel_region * depth_region);
137
138 void (*meta_color_mask) (struct intel_context * intel, GLboolean);
139
140 void (*meta_stencil_replace) (struct intel_context * intel,
141 GLuint mask, GLuint clear);
142
143 void (*meta_depth_replace) (struct intel_context * intel);
144
145 void (*meta_texture_blend_replace) (struct intel_context * intel);
146
147 void (*meta_no_stencil_write) (struct intel_context * intel);
148 void (*meta_no_depth_write) (struct intel_context * intel);
149 void (*meta_no_texture) (struct intel_context * intel);
150
151 void (*meta_import_pixel_state) (struct intel_context * intel);
152 void (*meta_frame_buffer_texture) (struct intel_context *intel,
153 GLint xoff, GLint yoff);
154
155 GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
156 dri_bo * buffer,
157 GLuint offset,
158 GLuint pitch,
159 GLuint height,
160 GLenum format, GLenum type);
161
162 void (*assert_not_dirty) (struct intel_context *intel);
163
164 void (*debug_batch)(struct intel_context *intel);
165 } vtbl;
166
167 struct dri_metaops meta;
168
169 GLbitfield Fallback; /**< mask of INTEL_FALLBACK_x bits */
170 GLuint NewGLState;
171
172 dri_bufmgr *bufmgr;
173 unsigned int maxBatchSize;
174
175 /**
176 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
177 */
178 int gen;
179
180 struct intel_region *front_region;
181 struct intel_region *back_region;
182 struct intel_region *depth_region;
183
184 struct intel_batchbuffer *batch;
185 drm_intel_bo *first_post_swapbuffers_batch;
186 GLboolean no_batch_wrap;
187
188 struct
189 {
190 GLuint id;
191 uint32_t primitive; /**< Current hardware primitive type */
192 void (*flush) (struct intel_context *);
193 GLubyte *start_ptr; /**< for i8xx */
194 dri_bo *vb_bo;
195 uint8_t *vb;
196 unsigned int start_offset; /**< Byte offset of primitive sequence */
197 unsigned int current_offset; /**< Byte offset of next vertex */
198 unsigned int count; /**< Number of vertices in current primitive */
199 } prim;
200
201 GLuint stats_wm;
202 GLboolean locked;
203 char *prevLockFile;
204 int prevLockLine;
205
206 /* Offsets of fields within the current vertex:
207 */
208 GLuint coloroffset;
209 GLuint specoffset;
210 GLuint wpos_offset;
211 GLuint wpos_size;
212
213 struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
214 GLuint vertex_attr_count;
215
216 GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
217
218 GLboolean hw_stencil;
219 GLboolean hw_stipple;
220 GLboolean depth_buffer_is_float;
221 GLboolean no_rast;
222 GLboolean no_hw;
223 GLboolean always_flush_batch;
224 GLboolean always_flush_cache;
225
226 /* 0 - nonconformant, best performance;
227 * 1 - fallback to sw for known conformance bugs
228 * 2 - always fallback to sw
229 */
230 GLuint conformance_mode;
231
232 /* State for intelvb.c and inteltris.c.
233 */
234 GLuint RenderIndex;
235 GLmatrix ViewportMatrix;
236 GLenum render_primitive;
237 GLenum reduced_primitive;
238 GLuint vertex_size;
239 GLubyte *verts; /* points to tnl->clipspace.vertex_buf */
240
241 /* Fallback rasterization functions
242 */
243 intel_point_func draw_point;
244 intel_line_func draw_line;
245 intel_tri_func draw_tri;
246
247 /**
248 * Set to true if a single constant cliprect should be used in the
249 * batchbuffer. Otherwise, cliprects must be calculated at batchbuffer
250 * flush time while the lock is held.
251 */
252 GLboolean constant_cliprect;
253
254 /**
255 * In !constant_cliprect mode, set to true if the front cliprects should be
256 * used instead of back.
257 */
258 GLboolean front_cliprects;
259
260 /**
261 * Set if rendering has occured to the drawable's front buffer.
262 *
263 * This is used in the DRI2 case to detect that glFlush should also copy
264 * the contents of the fake front buffer to the real front buffer.
265 */
266 GLboolean front_buffer_dirty;
267
268 /**
269 * Track whether front-buffer rendering is currently enabled
270 *
271 * A separate flag is used to track this in order to support MRT more
272 * easily.
273 */
274 GLboolean is_front_buffer_rendering;
275 /**
276 * Track whether front-buffer is the current read target.
277 *
278 * This is closely associated with is_front_buffer_rendering, but may
279 * be set separately. The DRI2 fake front buffer must be referenced
280 * either way.
281 */
282 GLboolean is_front_buffer_reading;
283
284 GLboolean use_texture_tiling;
285 GLboolean use_early_z;
286 drm_clip_rect_t fboRect; /**< cliprect for FBO rendering */
287
288 drm_clip_rect_t draw_rect;
289 drm_clip_rect_t scissor_rect;
290
291 drm_context_t hHWContext;
292 drmLock *driHwLock;
293 int driFd;
294
295 __DRIcontextPrivate *driContext;
296 __DRIdrawablePrivate *driDrawable;
297 __DRIdrawablePrivate *driReadDrawable;
298 __DRIscreenPrivate *driScreen;
299 intelScreenPrivate *intelScreen;
300 volatile drm_i915_sarea_t *sarea;
301
302 GLuint lastStamp;
303
304 /**
305 * Configuration cache
306 */
307 driOptionCache optionCache;
308
309 int64_t swap_ust;
310 int64_t swap_missed_ust;
311
312 GLuint swap_count;
313 GLuint swap_missed_count;
314 };
315
316 /* These are functions now:
317 */
318 void LOCK_HARDWARE( struct intel_context *intel );
319 void UNLOCK_HARDWARE( struct intel_context *intel );
320
321 extern char *__progname;
322
323
324 #define SUBPIXEL_X 0.125
325 #define SUBPIXEL_Y 0.125
326
327 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
328 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
329 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
330
331 static inline uint32_t
332 U_FIXED(float value, uint32_t frac_bits)
333 {
334 value *= (1 << frac_bits);
335 return value < 0 ? 0 : value;
336 }
337
338 static inline uint32_t
339 S_FIXED(float value, uint32_t frac_bits)
340 {
341 return value * (1 << frac_bits);
342 }
343
344 #define INTEL_FIREVERTICES(intel) \
345 do { \
346 if ((intel)->prim.flush) \
347 (intel)->prim.flush(intel); \
348 } while (0)
349
350 /* ================================================================
351 * From linux kernel i386 header files, copes with odd sizes better
352 * than COPY_DWORDS would:
353 * XXX Put this in src/mesa/main/imports.h ???
354 */
355 #if defined(i386) || defined(__i386__)
356 static INLINE void * __memcpy(void * to, const void * from, size_t n)
357 {
358 int d0, d1, d2;
359 __asm__ __volatile__(
360 "rep ; movsl\n\t"
361 "testb $2,%b4\n\t"
362 "je 1f\n\t"
363 "movsw\n"
364 "1:\ttestb $1,%b4\n\t"
365 "je 2f\n\t"
366 "movsb\n"
367 "2:"
368 : "=&c" (d0), "=&D" (d1), "=&S" (d2)
369 :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
370 : "memory");
371 return (to);
372 }
373 #else
374 #define __memcpy(a,b,c) memcpy(a,b,c)
375 #endif
376
377
378 /* ================================================================
379 * Debugging:
380 */
381 extern int INTEL_DEBUG;
382
383 #define DEBUG_TEXTURE 0x1
384 #define DEBUG_STATE 0x2
385 #define DEBUG_IOCTL 0x4
386 #define DEBUG_BLIT 0x8
387 #define DEBUG_MIPTREE 0x10
388 #define DEBUG_FALLBACKS 0x20
389 #define DEBUG_VERBOSE 0x40
390 #define DEBUG_BATCH 0x80
391 #define DEBUG_PIXEL 0x100
392 #define DEBUG_BUFMGR 0x200
393 #define DEBUG_REGION 0x400
394 #define DEBUG_FBO 0x800
395 #define DEBUG_LOCK 0x1000
396 #define DEBUG_SYNC 0x2000
397 #define DEBUG_PRIMS 0x4000
398 #define DEBUG_VERTS 0x8000
399 #define DEBUG_DRI 0x10000
400 #define DEBUG_DMA 0x20000
401 #define DEBUG_SANITY 0x40000
402 #define DEBUG_SLEEP 0x80000
403 #define DEBUG_STATS 0x100000
404 #define DEBUG_TILE 0x200000
405 #define DEBUG_SINGLE_THREAD 0x400000
406 #define DEBUG_WM 0x800000
407 #define DEBUG_URB 0x1000000
408 #define DEBUG_VS 0x2000000
409
410 #define DBG(...) do { \
411 if (INTEL_DEBUG & FILE_DEBUG_FLAG) \
412 _mesa_printf(__VA_ARGS__); \
413 } while(0)
414
415 #define PCI_CHIP_845_G 0x2562
416 #define PCI_CHIP_I830_M 0x3577
417 #define PCI_CHIP_I855_GM 0x3582
418 #define PCI_CHIP_I865_G 0x2572
419 #define PCI_CHIP_I915_G 0x2582
420 #define PCI_CHIP_I915_GM 0x2592
421 #define PCI_CHIP_I945_G 0x2772
422 #define PCI_CHIP_I945_GM 0x27A2
423 #define PCI_CHIP_I945_GME 0x27AE
424 #define PCI_CHIP_G33_G 0x29C2
425 #define PCI_CHIP_Q35_G 0x29B2
426 #define PCI_CHIP_Q33_G 0x29D2
427
428
429 /* ================================================================
430 * intel_context.c:
431 */
432
433 extern GLboolean intelInitContext(struct intel_context *intel,
434 const __GLcontextModes * mesaVis,
435 __DRIcontextPrivate * driContextPriv,
436 void *sharedContextPrivate,
437 struct dd_function_table *functions);
438
439 extern void intelGetLock(struct intel_context *intel, GLuint flags);
440
441 extern void intelFinish(GLcontext * ctx);
442 extern void intelFlush(GLcontext * ctx);
443
444 extern void intelInitDriverFunctions(struct dd_function_table *functions);
445
446 void intel_init_syncobj_functions(struct dd_function_table *functions);
447
448
449 /* ================================================================
450 * intel_state.c:
451 */
452 extern void intelInitStateFuncs(struct dd_function_table *functions);
453
454 #define COMPAREFUNC_ALWAYS 0
455 #define COMPAREFUNC_NEVER 0x1
456 #define COMPAREFUNC_LESS 0x2
457 #define COMPAREFUNC_EQUAL 0x3
458 #define COMPAREFUNC_LEQUAL 0x4
459 #define COMPAREFUNC_GREATER 0x5
460 #define COMPAREFUNC_NOTEQUAL 0x6
461 #define COMPAREFUNC_GEQUAL 0x7
462
463 #define STENCILOP_KEEP 0
464 #define STENCILOP_ZERO 0x1
465 #define STENCILOP_REPLACE 0x2
466 #define STENCILOP_INCRSAT 0x3
467 #define STENCILOP_DECRSAT 0x4
468 #define STENCILOP_INCR 0x5
469 #define STENCILOP_DECR 0x6
470 #define STENCILOP_INVERT 0x7
471
472 #define LOGICOP_CLEAR 0
473 #define LOGICOP_NOR 0x1
474 #define LOGICOP_AND_INV 0x2
475 #define LOGICOP_COPY_INV 0x3
476 #define LOGICOP_AND_RVRSE 0x4
477 #define LOGICOP_INV 0x5
478 #define LOGICOP_XOR 0x6
479 #define LOGICOP_NAND 0x7
480 #define LOGICOP_AND 0x8
481 #define LOGICOP_EQUIV 0x9
482 #define LOGICOP_NOOP 0xa
483 #define LOGICOP_OR_INV 0xb
484 #define LOGICOP_COPY 0xc
485 #define LOGICOP_OR_RVRSE 0xd
486 #define LOGICOP_OR 0xe
487 #define LOGICOP_SET 0xf
488
489 #define BLENDFACT_ZERO 0x01
490 #define BLENDFACT_ONE 0x02
491 #define BLENDFACT_SRC_COLR 0x03
492 #define BLENDFACT_INV_SRC_COLR 0x04
493 #define BLENDFACT_SRC_ALPHA 0x05
494 #define BLENDFACT_INV_SRC_ALPHA 0x06
495 #define BLENDFACT_DST_ALPHA 0x07
496 #define BLENDFACT_INV_DST_ALPHA 0x08
497 #define BLENDFACT_DST_COLR 0x09
498 #define BLENDFACT_INV_DST_COLR 0x0a
499 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
500 #define BLENDFACT_CONST_COLOR 0x0c
501 #define BLENDFACT_INV_CONST_COLOR 0x0d
502 #define BLENDFACT_CONST_ALPHA 0x0e
503 #define BLENDFACT_INV_CONST_ALPHA 0x0f
504 #define BLENDFACT_MASK 0x0f
505
506 enum {
507 DRI_CONF_BO_REUSE_DISABLED,
508 DRI_CONF_BO_REUSE_ALL
509 };
510
511 extern int intel_translate_shadow_compare_func(GLenum func);
512 extern int intel_translate_compare_func(GLenum func);
513 extern int intel_translate_stencil_op(GLenum op);
514 extern int intel_translate_blend_factor(GLenum factor);
515 extern int intel_translate_logic_op(GLenum opcode);
516
517 void intel_viewport(GLcontext * ctx, GLint x, GLint y,
518 GLsizei width, GLsizei height);
519
520 void intel_update_renderbuffers(__DRIcontext *context,
521 __DRIdrawable *drawable);
522
523 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
524 uint32_t buffer_id);
525
526 /*======================================================================
527 * Inline conversion functions.
528 * These are better-typed than the macros used previously:
529 */
530 static INLINE struct intel_context *
531 intel_context(GLcontext * ctx)
532 {
533 return (struct intel_context *) ctx;
534 }
535
536 static INLINE GLboolean
537 is_power_of_two(uint32_t value)
538 {
539 return (value & (value - 1)) == 0;
540 }
541
542 static inline void
543 intel_bo_map_gtt_preferred(struct intel_context *intel,
544 drm_intel_bo *bo,
545 GLboolean write)
546 {
547 if (intel->intelScreen->kernel_exec_fencing)
548 drm_intel_gem_bo_map_gtt(bo);
549 else
550 drm_intel_bo_map(bo, write);
551 }
552
553 static inline void
554 intel_bo_unmap_gtt_preferred(struct intel_context *intel,
555 drm_intel_bo *bo)
556 {
557 if (intel->intelScreen->kernel_exec_fencing)
558 drm_intel_gem_bo_unmap_gtt(bo);
559 else
560 drm_intel_bo_unmap(bo);
561 }
562
563 #endif