1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #ifndef INTELCONTEXT_INC
29 #define INTELCONTEXT_INC
34 #include "main/mtypes.h"
39 /* Evil hack for using libdrm in a c++ compiler. */
44 #include "intel_bufmgr.h"
46 #include "intel_screen.h"
47 #include "intel_tex_obj.h"
54 #include "tnl/t_vertex.h"
56 #define TAG(x) intel##x
57 #include "tnl_dd/t_dd_vertex.h"
60 #define DV_PF_555 (1<<8)
61 #define DV_PF_565 (2<<8)
62 #define DV_PF_8888 (3<<8)
63 #define DV_PF_4444 (8<<8)
64 #define DV_PF_1555 (9<<8)
69 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
70 intelVertex *, intelVertex *);
71 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
73 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
76 * Bits for intel->Fallback field
79 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
80 #define INTEL_FALLBACK_READ_BUFFER 0x2
81 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
82 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
83 #define INTEL_FALLBACK_USER 0x10
84 #define INTEL_FALLBACK_RENDERMODE 0x20
85 #define INTEL_FALLBACK_TEXTURE 0x40
86 #define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
89 extern void intelFallback(struct intel_context *intel, GLbitfield bit,
91 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
94 #define INTEL_WRITE_PART 0x1
95 #define INTEL_WRITE_FULL 0x2
96 #define INTEL_READ 0x4
98 #define INTEL_MAX_FIXUP 64
102 #define likely(expr) (__builtin_expect(expr, 1))
103 #define unlikely(expr) (__builtin_expect(expr, 0))
105 #define likely(expr) (expr)
106 #define unlikely(expr) (expr)
110 struct intel_sync_object {
111 struct gl_sync_object Base;
113 /** Batch associated with this sync object */
119 struct intel_batchbuffer {
120 /** Current batchbuffer being queued up. */
122 /** Last BO submitted to the hardware. Used for glFinish(). */
123 drm_intel_bo *last_bo;
124 /** BO for post-sync nonzero writes for gen6 workaround. */
125 drm_intel_bo *workaround_bo;
126 bool need_workaround_flush;
128 struct cached_batch_item *cached_items;
130 uint16_t emit, total;
131 uint16_t used, reserved_space;
133 #define BATCH_SZ (8192*sizeof(uint32_t))
135 uint32_t state_batch_offset;
137 bool needs_sol_reset;
146 * intel_context is derived from Mesa's context class: struct gl_context.
150 struct gl_context ctx; /**< base class, must be first field */
154 void (*destroy) (struct intel_context * intel);
155 void (*emit_state) (struct intel_context * intel);
156 void (*finish_batch) (struct intel_context * intel);
157 void (*new_batch) (struct intel_context * intel);
158 void (*emit_invarient_state) (struct intel_context * intel);
159 void (*update_texture_state) (struct intel_context * intel);
161 void (*render_start) (struct intel_context * intel);
162 void (*render_prevalidate) (struct intel_context * intel);
163 void (*set_draw_region) (struct intel_context * intel,
164 struct intel_region * draw_regions[],
165 struct intel_region * depth_region,
167 void (*update_draw_buffer)(struct intel_context *intel);
169 void (*reduced_primitive_state) (struct intel_context * intel,
172 bool (*check_vertex_size) (struct intel_context * intel,
174 void (*invalidate_state) (struct intel_context *intel,
177 void (*assert_not_dirty) (struct intel_context *intel);
179 void (*debug_batch)(struct intel_context *intel);
180 void (*annotate_aub)(struct intel_context *intel);
181 bool (*render_target_supported)(struct intel_context *intel,
182 struct gl_renderbuffer *rb);
184 /** Can HiZ be enabled on a depthbuffer of the given format? */
185 bool (*is_hiz_depth_format)(struct intel_context *intel,
189 * Surface state operations (i965+ only)
192 void (*update_texture_surface)(struct gl_context *ctx,
194 uint32_t *binding_table,
195 unsigned surf_index);
196 void (*update_renderbuffer_surface)(struct brw_context *brw,
197 struct gl_renderbuffer *rb,
199 void (*update_null_renderbuffer_surface)(struct brw_context *brw,
201 void (*create_constant_surface)(struct brw_context *brw,
205 uint32_t *out_offset);
209 GLbitfield Fallback; /**< mask of INTEL_FALLBACK_x bits */
213 unsigned int maxBatchSize;
216 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
224 bool has_separate_stencil;
225 bool must_use_separate_stencil;
232 drm_intel_context *hw_ctx;
234 struct intel_batchbuffer batch;
236 drm_intel_bo *first_post_swapbuffers_batch;
239 bool tnl_pipeline_running; /**< Set while i915's _tnl_run_pipeline. */
244 uint32_t start_ptr; /**< for i8xx */
245 uint32_t primitive; /**< Current hardware primitive type */
246 void (*flush) (struct intel_context *);
249 unsigned int start_offset; /**< Byte offset of primitive sequence */
250 unsigned int current_offset; /**< Byte offset of next vertex */
251 unsigned int count; /**< Number of vertices in current primitive */
258 uint32_t buffer_offset;
264 /* Offsets of fields within the current vertex:
270 struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
271 GLuint vertex_attr_count;
273 GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
278 bool always_flush_batch;
279 bool always_flush_cache;
281 /* State for intelvb.c and inteltris.c.
284 GLmatrix ViewportMatrix;
285 GLenum render_primitive;
286 GLenum reduced_primitive; /*< Only gen < 6 */
288 GLubyte *verts; /* points to tnl->clipspace.vertex_buf */
290 /* Fallback rasterization functions
292 intel_point_func draw_point;
293 intel_line_func draw_line;
294 intel_tri_func draw_tri;
297 * Set if rendering has occured to the drawable's front buffer.
299 * This is used in the DRI2 case to detect that glFlush should also copy
300 * the contents of the fake front buffer to the real front buffer.
302 bool front_buffer_dirty;
305 * Track whether front-buffer rendering is currently enabled
307 * A separate flag is used to track this in order to support MRT more
310 bool is_front_buffer_rendering;
312 * Track whether front-buffer is the current read target.
314 * This is closely associated with is_front_buffer_rendering, but may
315 * be set separately. The DRI2 fake front buffer must be referenced
318 bool is_front_buffer_reading;
321 * Count of intel_regions that are mapped.
323 * This allows us to assert that no batch buffer is emitted if a
326 int num_mapped_regions;
328 bool use_texture_tiling;
333 __DRIcontext *driContext;
334 struct intel_screen *intelScreen;
335 void (*saved_viewport)(struct gl_context * ctx,
336 GLint x, GLint y, GLsizei width, GLsizei height);
339 * Configuration cache
341 driOptionCache optionCache;
344 extern char *__progname;
347 #define SUBPIXEL_X 0.125
348 #define SUBPIXEL_Y 0.125
350 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
353 * Align a value down to an alignment value
355 * If \c value is not already aligned to the requested alignment value, it
356 * will be rounded down.
358 * \param value Value to be rounded
359 * \param alignment Alignment value to be used. This must be a power of two.
363 #define ROUND_DOWN_TO(value, alignment) ((value) & ~(alignment - 1))
365 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
367 static INLINE uint32_t
368 U_FIXED(float value, uint32_t frac_bits)
370 value *= (1 << frac_bits);
371 return value < 0 ? 0 : value;
374 static INLINE uint32_t
375 S_FIXED(float value, uint32_t frac_bits)
377 return value * (1 << frac_bits);
380 #define INTEL_FIREVERTICES(intel) \
382 if ((intel)->prim.flush) \
383 (intel)->prim.flush(intel); \
386 /* ================================================================
387 * From linux kernel i386 header files, copes with odd sizes better
388 * than COPY_DWORDS would:
389 * XXX Put this in src/mesa/main/imports.h ???
391 #if defined(i386) || defined(__i386__)
392 static INLINE void * __memcpy(void * to, const void * from, size_t n)
395 __asm__ __volatile__(
400 "1:\ttestb $1,%b4\n\t"
404 : "=&c" (d0), "=&D" (d1), "=&S" (d2)
405 :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
410 #define __memcpy(a,b,c) memcpy(a,b,c)
414 /* ================================================================
417 extern int INTEL_DEBUG;
419 #define DEBUG_TEXTURE 0x1
420 #define DEBUG_STATE 0x2
421 #define DEBUG_IOCTL 0x4
422 #define DEBUG_BLIT 0x8
423 #define DEBUG_MIPTREE 0x10
424 #define DEBUG_PERF 0x20
425 #define DEBUG_VERBOSE 0x40
426 #define DEBUG_BATCH 0x80
427 #define DEBUG_PIXEL 0x100
428 #define DEBUG_BUFMGR 0x200
429 #define DEBUG_REGION 0x400
430 #define DEBUG_FBO 0x800
431 #define DEBUG_GS 0x1000
432 #define DEBUG_SYNC 0x2000
433 #define DEBUG_PRIMS 0x4000
434 #define DEBUG_VERTS 0x8000
435 #define DEBUG_DRI 0x10000
436 #define DEBUG_SF 0x20000
437 #define DEBUG_SANITY 0x40000
438 #define DEBUG_SLEEP 0x80000
439 #define DEBUG_STATS 0x100000
440 #define DEBUG_TILE 0x200000
441 #define DEBUG_WM 0x400000
442 #define DEBUG_URB 0x800000
443 #define DEBUG_VS 0x1000000
444 #define DEBUG_CLIP 0x2000000
445 #define DEBUG_AUB 0x4000000
446 #define DEBUG_SHADER_TIME 0x8000000
447 #define DEBUG_NO16 0x20000000
449 #ifdef HAVE_ANDROID_PLATFORM
450 #define LOG_TAG "INTEL-MESA"
451 #include <cutils/log.h>
455 #define dbg_printf(...) ALOGW(__VA_ARGS__)
457 #define dbg_printf(...) printf(__VA_ARGS__)
458 #endif /* HAVE_ANDROID_PLATFORM */
460 #define DBG(...) do { \
461 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
462 dbg_printf(__VA_ARGS__); \
465 #define fallback_debug(...) do { \
466 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
467 dbg_printf(__VA_ARGS__); \
470 #define perf_debug(...) do { \
471 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
472 dbg_printf(__VA_ARGS__); \
475 #define WARN_ONCE(cond, fmt...) do { \
476 if (unlikely(cond)) { \
477 static bool _warned = false; \
479 fprintf(stderr, "WARNING: "); \
480 fprintf(stderr, fmt); \
486 #define PCI_CHIP_845_G 0x2562
487 #define PCI_CHIP_I830_M 0x3577
488 #define PCI_CHIP_I855_GM 0x3582
489 #define PCI_CHIP_I865_G 0x2572
490 #define PCI_CHIP_I915_G 0x2582
491 #define PCI_CHIP_I915_GM 0x2592
492 #define PCI_CHIP_I945_G 0x2772
493 #define PCI_CHIP_I945_GM 0x27A2
494 #define PCI_CHIP_I945_GME 0x27AE
495 #define PCI_CHIP_G33_G 0x29C2
496 #define PCI_CHIP_Q35_G 0x29B2
497 #define PCI_CHIP_Q33_G 0x29D2
500 /* ================================================================
504 extern bool intelInitContext(struct intel_context *intel,
506 unsigned major_version,
507 unsigned minor_version,
508 const struct gl_config * mesaVis,
509 __DRIcontext * driContextPriv,
510 void *sharedContextPrivate,
511 struct dd_function_table *functions,
512 unsigned *dri_ctx_error);
514 extern void intelFinish(struct gl_context * ctx);
515 extern void intel_flush_rendering_to_batch(struct gl_context *ctx);
516 extern void _intel_flush(struct gl_context * ctx, const char *file, int line);
518 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
520 extern void intelInitDriverFunctions(struct dd_function_table *functions);
522 void intel_init_syncobj_functions(struct dd_function_table *functions);
525 /* ================================================================
529 #define COMPAREFUNC_ALWAYS 0
530 #define COMPAREFUNC_NEVER 0x1
531 #define COMPAREFUNC_LESS 0x2
532 #define COMPAREFUNC_EQUAL 0x3
533 #define COMPAREFUNC_LEQUAL 0x4
534 #define COMPAREFUNC_GREATER 0x5
535 #define COMPAREFUNC_NOTEQUAL 0x6
536 #define COMPAREFUNC_GEQUAL 0x7
538 #define STENCILOP_KEEP 0
539 #define STENCILOP_ZERO 0x1
540 #define STENCILOP_REPLACE 0x2
541 #define STENCILOP_INCRSAT 0x3
542 #define STENCILOP_DECRSAT 0x4
543 #define STENCILOP_INCR 0x5
544 #define STENCILOP_DECR 0x6
545 #define STENCILOP_INVERT 0x7
547 #define LOGICOP_CLEAR 0
548 #define LOGICOP_NOR 0x1
549 #define LOGICOP_AND_INV 0x2
550 #define LOGICOP_COPY_INV 0x3
551 #define LOGICOP_AND_RVRSE 0x4
552 #define LOGICOP_INV 0x5
553 #define LOGICOP_XOR 0x6
554 #define LOGICOP_NAND 0x7
555 #define LOGICOP_AND 0x8
556 #define LOGICOP_EQUIV 0x9
557 #define LOGICOP_NOOP 0xa
558 #define LOGICOP_OR_INV 0xb
559 #define LOGICOP_COPY 0xc
560 #define LOGICOP_OR_RVRSE 0xd
561 #define LOGICOP_OR 0xe
562 #define LOGICOP_SET 0xf
564 #define BLENDFACT_ZERO 0x01
565 #define BLENDFACT_ONE 0x02
566 #define BLENDFACT_SRC_COLR 0x03
567 #define BLENDFACT_INV_SRC_COLR 0x04
568 #define BLENDFACT_SRC_ALPHA 0x05
569 #define BLENDFACT_INV_SRC_ALPHA 0x06
570 #define BLENDFACT_DST_ALPHA 0x07
571 #define BLENDFACT_INV_DST_ALPHA 0x08
572 #define BLENDFACT_DST_COLR 0x09
573 #define BLENDFACT_INV_DST_COLR 0x0a
574 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
575 #define BLENDFACT_CONST_COLOR 0x0c
576 #define BLENDFACT_INV_CONST_COLOR 0x0d
577 #define BLENDFACT_CONST_ALPHA 0x0e
578 #define BLENDFACT_INV_CONST_ALPHA 0x0f
579 #define BLENDFACT_MASK 0x0f
582 DRI_CONF_BO_REUSE_DISABLED,
583 DRI_CONF_BO_REUSE_ALL
586 extern int intel_translate_shadow_compare_func(GLenum func);
587 extern int intel_translate_compare_func(GLenum func);
588 extern int intel_translate_stencil_op(GLenum op);
589 extern int intel_translate_blend_factor(GLenum factor);
590 extern int intel_translate_logic_op(GLenum opcode);
592 void intel_update_renderbuffers(__DRIcontext *context,
593 __DRIdrawable *drawable);
594 void intel_prepare_render(struct intel_context *intel);
597 intel_downsample_for_dri2_flush(struct intel_context *intel,
598 __DRIdrawable *drawable);
600 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
602 void intel_init_texture_formats(struct gl_context *ctx);
604 /*======================================================================
605 * Inline conversion functions.
606 * These are better-typed than the macros used previously:
608 static INLINE struct intel_context *
609 intel_context(struct gl_context * ctx)
611 return (struct intel_context *) ctx;
615 is_power_of_two(uint32_t value)
617 return (value & (value - 1)) == 0;