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
100 #define likely(expr) (__builtin_expect(expr, 1))
101 #define unlikely(expr) (__builtin_expect(expr, 0))
103 #define likely(expr) (expr)
104 #define unlikely(expr) (expr)
108 struct intel_sync_object
{
109 struct gl_sync_object Base
;
111 /** Batch associated with this sync object */
115 struct intel_batchbuffer
{
116 /** Current batchbuffer being queued up. */
118 /** Last BO submitted to the hardware. Used for glFinish(). */
119 drm_intel_bo
*last_bo
;
121 uint16_t emit
, total
;
122 uint16_t used
, reserved_space
;
125 #define BATCH_SZ (8192*sizeof(uint32_t))
129 * intel_context is derived from Mesa's context class: struct gl_context.
133 struct gl_context ctx
; /**< base class, must be first field */
137 void (*destroy
) (struct intel_context
* intel
);
138 void (*emit_state
) (struct intel_context
* intel
);
139 void (*finish_batch
) (struct intel_context
* intel
);
140 void (*new_batch
) (struct intel_context
* intel
);
141 void (*emit_invarient_state
) (struct intel_context
* intel
);
142 void (*update_texture_state
) (struct intel_context
* intel
);
144 void (*render_start
) (struct intel_context
* intel
);
145 void (*render_prevalidate
) (struct intel_context
* intel
);
146 void (*set_draw_region
) (struct intel_context
* intel
,
147 struct intel_region
* draw_regions
[],
148 struct intel_region
* depth_region
,
150 void (*update_draw_buffer
)(struct intel_context
*intel
);
152 void (*reduced_primitive_state
) (struct intel_context
* intel
,
155 bool (*check_vertex_size
) (struct intel_context
* intel
,
157 void (*invalidate_state
) (struct intel_context
*intel
,
160 void (*assert_not_dirty
) (struct intel_context
*intel
);
162 void (*debug_batch
)(struct intel_context
*intel
);
163 void (*annotate_aub
)(struct intel_context
*intel
);
164 bool (*render_target_supported
)(struct intel_context
*intel
,
165 struct gl_renderbuffer
*rb
);
168 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
172 unsigned int maxBatchSize
;
175 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
181 struct intel_batchbuffer batch
;
183 drm_intel_bo
*first_post_swapbuffers_batch
;
186 bool tnl_pipeline_running
; /**< Set while i915's _tnl_run_pipeline. */
189 * Set if we're either a debug context or the INTEL_DEBUG=perf environment
190 * variable is set, this is the flag indicating to do expensive work that
191 * might lead to a perf_debug() call.
198 uint32_t start_ptr
; /**< for i8xx */
199 uint32_t primitive
; /**< Current hardware primitive type */
200 void (*flush
) (struct intel_context
*);
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 */
212 uint32_t buffer_offset
;
216 uint32_t max_gtt_map_object_size
;
218 /* Offsets of fields within the current vertex:
224 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
225 GLuint vertex_attr_count
;
227 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
232 bool always_flush_batch
;
233 bool always_flush_cache
;
234 bool disable_throttling
;
236 /* State for intelvb.c and inteltris.c.
239 GLmatrix ViewportMatrix
;
240 GLenum render_primitive
;
241 GLenum reduced_primitive
; /*< Only gen < 6 */
243 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
245 /* Fallback rasterization functions
247 intel_point_func draw_point
;
248 intel_line_func draw_line
;
249 intel_tri_func draw_tri
;
252 * Set if rendering has occured to the drawable's front buffer.
254 * This is used in the DRI2 case to detect that glFlush should also copy
255 * the contents of the fake front buffer to the real front buffer.
257 bool front_buffer_dirty
;
260 * Track whether front-buffer rendering is currently enabled
262 * A separate flag is used to track this in order to support MRT more
265 bool is_front_buffer_rendering
;
267 * Track whether front-buffer is the current read target.
269 * This is closely associated with is_front_buffer_rendering, but may
270 * be set separately. The DRI2 fake front buffer must be referenced
273 bool is_front_buffer_reading
;
279 __DRIcontext
*driContext
;
280 struct intel_screen
*intelScreen
;
281 void (*saved_viewport
)(struct gl_context
* ctx
,
282 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
285 * Configuration cache
287 driOptionCache optionCache
;
290 extern char *__progname
;
293 #define SUBPIXEL_X 0.125
294 #define SUBPIXEL_Y 0.125
297 * Align a value down to an alignment value
299 * If \c value is not already aligned to the requested alignment value, it
300 * will be rounded down.
302 * \param value Value to be rounded
303 * \param alignment Alignment value to be used. This must be a power of two.
307 #define ROUND_DOWN_TO(value, alignment) ((value) & ~(alignment - 1))
309 static INLINE
uint32_t
310 U_FIXED(float value
, uint32_t frac_bits
)
312 value
*= (1 << frac_bits
);
313 return value
< 0 ? 0 : value
;
316 static INLINE
uint32_t
317 S_FIXED(float value
, uint32_t frac_bits
)
319 return value
* (1 << frac_bits
);
322 #define INTEL_FIREVERTICES(intel) \
324 if ((intel)->prim.flush) \
325 (intel)->prim.flush(intel); \
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 ???
333 #if defined(i386) || defined(__i386__)
334 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
337 __asm__
__volatile__(
342 "1:\ttestb $1,%b4\n\t"
346 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
347 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
352 #define __memcpy(a,b,c) memcpy(a,b,c)
356 /* ================================================================
359 extern int INTEL_DEBUG
;
361 #define DEBUG_TEXTURE 0x1
362 #define DEBUG_STATE 0x2
363 #define DEBUG_BLIT 0x8
364 #define DEBUG_MIPTREE 0x10
365 #define DEBUG_PERF 0x20
366 #define DEBUG_BATCH 0x80
367 #define DEBUG_PIXEL 0x100
368 #define DEBUG_BUFMGR 0x200
369 #define DEBUG_REGION 0x400
370 #define DEBUG_FBO 0x800
371 #define DEBUG_SYNC 0x2000
372 #define DEBUG_DRI 0x10000
373 #define DEBUG_STATS 0x100000
374 #define DEBUG_WM 0x400000
375 #define DEBUG_AUB 0x4000000
377 #ifdef HAVE_ANDROID_PLATFORM
378 #define LOG_TAG "INTEL-MESA"
379 #include <cutils/log.h>
383 #define dbg_printf(...) ALOGW(__VA_ARGS__)
385 #define dbg_printf(...) printf(__VA_ARGS__)
386 #endif /* HAVE_ANDROID_PLATFORM */
388 #define DBG(...) do { \
389 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
390 dbg_printf(__VA_ARGS__); \
393 #define perf_debug(...) do { \
394 static GLuint msg_id = 0; \
395 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
396 dbg_printf(__VA_ARGS__); \
397 if (intel->perf_debug) \
398 _mesa_gl_debug(&intel->ctx, &msg_id, \
399 MESA_DEBUG_TYPE_PERFORMANCE, \
400 MESA_DEBUG_SEVERITY_MEDIUM, \
404 #define WARN_ONCE(cond, fmt...) do { \
405 if (unlikely(cond)) { \
406 static bool _warned = false; \
407 static GLuint msg_id = 0; \
409 fprintf(stderr, "WARNING: "); \
410 fprintf(stderr, fmt); \
413 _mesa_gl_debug(ctx, &msg_id, \
414 MESA_DEBUG_TYPE_OTHER, \
415 MESA_DEBUG_SEVERITY_HIGH, fmt); \
420 /* ================================================================
424 extern bool intelInitContext(struct intel_context
*intel
,
426 unsigned major_version
,
427 unsigned minor_version
,
428 const struct gl_config
* mesaVis
,
429 __DRIcontext
* driContextPriv
,
430 void *sharedContextPrivate
,
431 struct dd_function_table
*functions
,
432 unsigned *dri_ctx_error
);
434 extern void intelFinish(struct gl_context
* ctx
);
435 extern void intel_flush_rendering_to_batch(struct gl_context
*ctx
);
436 extern void _intel_flush(struct gl_context
* ctx
, const char *file
, int line
);
438 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
440 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
442 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
445 /* ================================================================
449 #define COMPAREFUNC_ALWAYS 0
450 #define COMPAREFUNC_NEVER 0x1
451 #define COMPAREFUNC_LESS 0x2
452 #define COMPAREFUNC_EQUAL 0x3
453 #define COMPAREFUNC_LEQUAL 0x4
454 #define COMPAREFUNC_GREATER 0x5
455 #define COMPAREFUNC_NOTEQUAL 0x6
456 #define COMPAREFUNC_GEQUAL 0x7
458 #define STENCILOP_KEEP 0
459 #define STENCILOP_ZERO 0x1
460 #define STENCILOP_REPLACE 0x2
461 #define STENCILOP_INCRSAT 0x3
462 #define STENCILOP_DECRSAT 0x4
463 #define STENCILOP_INCR 0x5
464 #define STENCILOP_DECR 0x6
465 #define STENCILOP_INVERT 0x7
467 #define LOGICOP_CLEAR 0
468 #define LOGICOP_NOR 0x1
469 #define LOGICOP_AND_INV 0x2
470 #define LOGICOP_COPY_INV 0x3
471 #define LOGICOP_AND_RVRSE 0x4
472 #define LOGICOP_INV 0x5
473 #define LOGICOP_XOR 0x6
474 #define LOGICOP_NAND 0x7
475 #define LOGICOP_AND 0x8
476 #define LOGICOP_EQUIV 0x9
477 #define LOGICOP_NOOP 0xa
478 #define LOGICOP_OR_INV 0xb
479 #define LOGICOP_COPY 0xc
480 #define LOGICOP_OR_RVRSE 0xd
481 #define LOGICOP_OR 0xe
482 #define LOGICOP_SET 0xf
484 #define BLENDFACT_ZERO 0x01
485 #define BLENDFACT_ONE 0x02
486 #define BLENDFACT_SRC_COLR 0x03
487 #define BLENDFACT_INV_SRC_COLR 0x04
488 #define BLENDFACT_SRC_ALPHA 0x05
489 #define BLENDFACT_INV_SRC_ALPHA 0x06
490 #define BLENDFACT_DST_ALPHA 0x07
491 #define BLENDFACT_INV_DST_ALPHA 0x08
492 #define BLENDFACT_DST_COLR 0x09
493 #define BLENDFACT_INV_DST_COLR 0x0a
494 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
495 #define BLENDFACT_CONST_COLOR 0x0c
496 #define BLENDFACT_INV_CONST_COLOR 0x0d
497 #define BLENDFACT_CONST_ALPHA 0x0e
498 #define BLENDFACT_INV_CONST_ALPHA 0x0f
499 #define BLENDFACT_MASK 0x0f
502 DRI_CONF_BO_REUSE_DISABLED
,
503 DRI_CONF_BO_REUSE_ALL
506 extern int intel_translate_shadow_compare_func(GLenum func
);
507 extern int intel_translate_compare_func(GLenum func
);
508 extern int intel_translate_stencil_op(GLenum op
);
509 extern int intel_translate_blend_factor(GLenum factor
);
510 extern int intel_translate_logic_op(GLenum opcode
);
512 void intel_update_renderbuffers(__DRIcontext
*context
,
513 __DRIdrawable
*drawable
);
514 void intel_prepare_render(struct intel_context
*intel
);
516 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
518 void intel_init_texture_formats(struct gl_context
*ctx
);
520 /*======================================================================
521 * Inline conversion functions.
522 * These are better-typed than the macros used previously:
524 static INLINE
struct intel_context
*
525 intel_context(struct gl_context
* ctx
)
527 return (struct intel_context
*) ctx
;
531 is_power_of_two(uint32_t value
)
533 return (value
& (value
- 1)) == 0;