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
33 #include "main/mtypes.h"
38 /* Evil hack for using libdrm in a c++ compiler. */
43 #include "intel_bufmgr.h"
45 #include "intel_screen.h"
46 #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 */
118 * intel_context is derived from Mesa's context class: struct gl_context.
122 struct gl_context ctx
; /**< base class, must be first field */
126 void (*destroy
) (struct intel_context
* intel
);
127 void (*emit_state
) (struct intel_context
* intel
);
128 void (*finish_batch
) (struct intel_context
* intel
);
129 void (*new_batch
) (struct intel_context
* intel
);
130 void (*emit_invarient_state
) (struct intel_context
* intel
);
131 void (*update_texture_state
) (struct intel_context
* intel
);
133 void (*render_start
) (struct intel_context
* intel
);
134 void (*render_prevalidate
) (struct intel_context
* intel
);
135 void (*set_draw_region
) (struct intel_context
* intel
,
136 struct intel_region
* draw_regions
[],
137 struct intel_region
* depth_region
,
140 void (*reduced_primitive_state
) (struct intel_context
* intel
,
143 GLboolean (*check_vertex_size
) (struct intel_context
* intel
,
145 void (*invalidate_state
) (struct intel_context
*intel
,
148 void (*assert_not_dirty
) (struct intel_context
*intel
);
150 void (*debug_batch
)(struct intel_context
*intel
);
151 bool (*render_target_supported
)(gl_format format
);
154 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
158 unsigned int maxBatchSize
;
161 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
164 GLboolean needs_ff_sync
;
167 GLboolean has_luminance_srgb
;
168 GLboolean has_xrgb_textures
;
172 struct intel_batchbuffer
{
174 struct cached_batch_item
*cached_items
;
176 uint16_t emit
, total
;
177 uint16_t used
, reserved_space
;
179 #define BATCH_SZ (8192*sizeof(uint32_t))
181 uint32_t state_batch_offset
;
185 drm_intel_bo
*first_post_swapbuffers_batch
;
186 GLboolean need_throttle
;
187 GLboolean no_batch_wrap
;
192 uint32_t start_ptr
; /**< for i8xx */
193 uint32_t primitive
; /**< Current hardware primitive type */
194 void (*flush
) (struct intel_context
*);
197 unsigned int start_offset
; /**< Byte offset of primitive sequence */
198 unsigned int current_offset
; /**< Byte offset of next vertex */
199 unsigned int count
; /**< Number of vertices in current primitive */
206 uint16_t buffer_offset
;
212 /* Offsets of fields within the current vertex:
219 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
220 GLuint vertex_attr_count
;
222 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
224 GLboolean hw_stencil
;
225 GLboolean hw_stipple
;
226 GLboolean depth_buffer_is_float
;
228 GLboolean always_flush_batch
;
229 GLboolean always_flush_cache
;
231 /* 0 - nonconformant, best performance;
232 * 1 - fallback to sw for known conformance bugs
233 * 2 - always fallback to sw
235 GLuint conformance_mode
;
237 /* State for intelvb.c and inteltris.c.
240 GLmatrix ViewportMatrix
;
241 GLenum render_primitive
;
242 GLenum reduced_primitive
;
244 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
246 /* Fallback rasterization functions
248 intel_point_func draw_point
;
249 intel_line_func draw_line
;
250 intel_tri_func draw_tri
;
253 * Set if rendering has occured to the drawable's front buffer.
255 * This is used in the DRI2 case to detect that glFlush should also copy
256 * the contents of the fake front buffer to the real front buffer.
258 GLboolean front_buffer_dirty
;
261 * Track whether front-buffer rendering is currently enabled
263 * A separate flag is used to track this in order to support MRT more
266 GLboolean is_front_buffer_rendering
;
268 * Track whether front-buffer is the current read target.
270 * This is closely associated with is_front_buffer_rendering, but may
271 * be set separately. The DRI2 fake front buffer must be referenced
274 GLboolean is_front_buffer_reading
;
276 GLboolean use_texture_tiling
;
277 GLboolean use_early_z
;
281 __DRIcontext
*driContext
;
282 struct intel_screen
*intelScreen
;
283 void (*saved_viewport
)(struct gl_context
* ctx
,
284 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
287 * Configuration cache
289 driOptionCache optionCache
;
292 extern char *__progname
;
295 #define SUBPIXEL_X 0.125
296 #define SUBPIXEL_Y 0.125
298 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
299 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
300 #define ROUND_DOWN_TO(value, alignment) (ALIGN(value - alignment - 1, \
302 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
304 static INLINE
uint32_t
305 U_FIXED(float value
, uint32_t frac_bits
)
307 value
*= (1 << frac_bits
);
308 return value
< 0 ? 0 : value
;
311 static INLINE
uint32_t
312 S_FIXED(float value
, uint32_t frac_bits
)
314 return value
* (1 << frac_bits
);
317 #define INTEL_FIREVERTICES(intel) \
319 if ((intel)->prim.flush) \
320 (intel)->prim.flush(intel); \
323 /* ================================================================
324 * From linux kernel i386 header files, copes with odd sizes better
325 * than COPY_DWORDS would:
326 * XXX Put this in src/mesa/main/imports.h ???
328 #if defined(i386) || defined(__i386__)
329 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
332 __asm__
__volatile__(
337 "1:\ttestb $1,%b4\n\t"
341 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
342 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
347 #define __memcpy(a,b,c) memcpy(a,b,c)
351 /* ================================================================
354 extern int INTEL_DEBUG
;
356 #define DEBUG_TEXTURE 0x1
357 #define DEBUG_STATE 0x2
358 #define DEBUG_IOCTL 0x4
359 #define DEBUG_BLIT 0x8
360 #define DEBUG_MIPTREE 0x10
361 #define DEBUG_FALLBACKS 0x20
362 #define DEBUG_VERBOSE 0x40
363 #define DEBUG_BATCH 0x80
364 #define DEBUG_PIXEL 0x100
365 #define DEBUG_BUFMGR 0x200
366 #define DEBUG_REGION 0x400
367 #define DEBUG_FBO 0x800
368 #define DEBUG_GS 0x1000
369 #define DEBUG_SYNC 0x2000
370 #define DEBUG_PRIMS 0x4000
371 #define DEBUG_VERTS 0x8000
372 #define DEBUG_DRI 0x10000
373 #define DEBUG_SF 0x20000
374 #define DEBUG_SANITY 0x40000
375 #define DEBUG_SLEEP 0x80000
376 #define DEBUG_STATS 0x100000
377 #define DEBUG_TILE 0x200000
378 #define DEBUG_SINGLE_THREAD 0x400000
379 #define DEBUG_WM 0x800000
380 #define DEBUG_URB 0x1000000
381 #define DEBUG_VS 0x2000000
382 #define DEBUG_CLIP 0x8000000
384 #define DBG(...) do { \
385 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
386 printf(__VA_ARGS__); \
389 #define fallback_debug(...) do { \
390 if (unlikely(INTEL_DEBUG & DEBUG_FALLBACKS)) \
391 printf(__VA_ARGS__); \
394 #define PCI_CHIP_845_G 0x2562
395 #define PCI_CHIP_I830_M 0x3577
396 #define PCI_CHIP_I855_GM 0x3582
397 #define PCI_CHIP_I865_G 0x2572
398 #define PCI_CHIP_I915_G 0x2582
399 #define PCI_CHIP_I915_GM 0x2592
400 #define PCI_CHIP_I945_G 0x2772
401 #define PCI_CHIP_I945_GM 0x27A2
402 #define PCI_CHIP_I945_GME 0x27AE
403 #define PCI_CHIP_G33_G 0x29C2
404 #define PCI_CHIP_Q35_G 0x29B2
405 #define PCI_CHIP_Q33_G 0x29D2
408 /* ================================================================
412 extern GLboolean
intelInitContext(struct intel_context
*intel
,
414 const struct gl_config
* mesaVis
,
415 __DRIcontext
* driContextPriv
,
416 void *sharedContextPrivate
,
417 struct dd_function_table
*functions
);
419 extern void intelFinish(struct gl_context
* ctx
);
420 extern void intel_flush(struct gl_context
* ctx
);
422 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
424 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
427 /* ================================================================
430 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
432 #define COMPAREFUNC_ALWAYS 0
433 #define COMPAREFUNC_NEVER 0x1
434 #define COMPAREFUNC_LESS 0x2
435 #define COMPAREFUNC_EQUAL 0x3
436 #define COMPAREFUNC_LEQUAL 0x4
437 #define COMPAREFUNC_GREATER 0x5
438 #define COMPAREFUNC_NOTEQUAL 0x6
439 #define COMPAREFUNC_GEQUAL 0x7
441 #define STENCILOP_KEEP 0
442 #define STENCILOP_ZERO 0x1
443 #define STENCILOP_REPLACE 0x2
444 #define STENCILOP_INCRSAT 0x3
445 #define STENCILOP_DECRSAT 0x4
446 #define STENCILOP_INCR 0x5
447 #define STENCILOP_DECR 0x6
448 #define STENCILOP_INVERT 0x7
450 #define LOGICOP_CLEAR 0
451 #define LOGICOP_NOR 0x1
452 #define LOGICOP_AND_INV 0x2
453 #define LOGICOP_COPY_INV 0x3
454 #define LOGICOP_AND_RVRSE 0x4
455 #define LOGICOP_INV 0x5
456 #define LOGICOP_XOR 0x6
457 #define LOGICOP_NAND 0x7
458 #define LOGICOP_AND 0x8
459 #define LOGICOP_EQUIV 0x9
460 #define LOGICOP_NOOP 0xa
461 #define LOGICOP_OR_INV 0xb
462 #define LOGICOP_COPY 0xc
463 #define LOGICOP_OR_RVRSE 0xd
464 #define LOGICOP_OR 0xe
465 #define LOGICOP_SET 0xf
467 #define BLENDFACT_ZERO 0x01
468 #define BLENDFACT_ONE 0x02
469 #define BLENDFACT_SRC_COLR 0x03
470 #define BLENDFACT_INV_SRC_COLR 0x04
471 #define BLENDFACT_SRC_ALPHA 0x05
472 #define BLENDFACT_INV_SRC_ALPHA 0x06
473 #define BLENDFACT_DST_ALPHA 0x07
474 #define BLENDFACT_INV_DST_ALPHA 0x08
475 #define BLENDFACT_DST_COLR 0x09
476 #define BLENDFACT_INV_DST_COLR 0x0a
477 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
478 #define BLENDFACT_CONST_COLOR 0x0c
479 #define BLENDFACT_INV_CONST_COLOR 0x0d
480 #define BLENDFACT_CONST_ALPHA 0x0e
481 #define BLENDFACT_INV_CONST_ALPHA 0x0f
482 #define BLENDFACT_MASK 0x0f
485 DRI_CONF_BO_REUSE_DISABLED
,
486 DRI_CONF_BO_REUSE_ALL
489 extern int intel_translate_shadow_compare_func(GLenum func
);
490 extern int intel_translate_compare_func(GLenum func
);
491 extern int intel_translate_stencil_op(GLenum op
);
492 extern int intel_translate_blend_factor(GLenum factor
);
493 extern int intel_translate_logic_op(GLenum opcode
);
495 void intel_update_renderbuffers(__DRIcontext
*context
,
496 __DRIdrawable
*drawable
);
497 void intel_prepare_render(struct intel_context
*intel
);
499 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
502 /*======================================================================
503 * Inline conversion functions.
504 * These are better-typed than the macros used previously:
506 static INLINE
struct intel_context
*
507 intel_context(struct gl_context
* ctx
)
509 return (struct intel_context
*) ctx
;
512 static INLINE GLboolean
513 is_power_of_two(uint32_t value
)
515 return (value
& (value
- 1)) == 0;