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"
36 #include "dri_metaops.h"
38 #include "intel_bufmgr.h"
40 #include "intel_screen.h"
41 #include "intel_tex_obj.h"
43 #include "tnl/t_vertex.h"
45 #define TAG(x) intel##x
46 #include "tnl_dd/t_dd_vertex.h"
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)
58 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
59 intelVertex
*, intelVertex
*);
60 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
62 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
65 * Bits for intel->Fallback field
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 */
78 extern void intelFallback(struct intel_context
*intel
, GLbitfield bit
,
80 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
83 #define INTEL_WRITE_PART 0x1
84 #define INTEL_WRITE_FULL 0x2
85 #define INTEL_READ 0x4
87 #define INTEL_MAX_FIXUP 64
89 struct intel_sync_object
{
90 struct gl_sync_object Base
;
92 /** Batch associated with this sync object */
97 * intel_context is derived from Mesa's context class: GLcontext.
101 GLcontext ctx
; /**< base class, must be first field */
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
);
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
,
120 void (*reduced_primitive_state
) (struct intel_context
* intel
,
123 GLboolean (*check_vertex_size
) (struct intel_context
* intel
,
125 void (*invalidate_state
) (struct intel_context
*intel
,
131 void (*install_meta_state
) (struct intel_context
* intel
);
132 void (*leave_meta_state
) (struct intel_context
* intel
);
134 void (*meta_draw_region
) (struct intel_context
* intel
,
135 struct intel_region
* draw_region
,
136 struct intel_region
* depth_region
);
138 void (*meta_color_mask
) (struct intel_context
* intel
, GLboolean
);
140 void (*meta_stencil_replace
) (struct intel_context
* intel
,
141 GLuint mask
, GLuint clear
);
143 void (*meta_depth_replace
) (struct intel_context
* intel
);
145 void (*meta_texture_blend_replace
) (struct intel_context
* intel
);
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
);
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
);
155 GLboolean(*meta_tex_rect_source
) (struct intel_context
* intel
,
160 GLenum format
, GLenum type
);
162 void (*assert_not_dirty
) (struct intel_context
*intel
);
164 void (*debug_batch
)(struct intel_context
*intel
);
167 struct dri_metaops meta
;
169 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
173 unsigned int maxBatchSize
;
176 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
179 GLboolean needs_ff_sync
;
180 GLboolean is_ironlake
;
183 GLboolean has_luminance_srgb
;
187 struct intel_region
*front_region
;
188 struct intel_region
*back_region
;
189 struct intel_region
*depth_region
;
191 struct intel_batchbuffer
*batch
;
192 drm_intel_bo
*first_post_swapbuffers_batch
;
193 GLboolean no_batch_wrap
;
198 uint32_t primitive
; /**< Current hardware primitive type */
199 void (*flush
) (struct intel_context
*);
200 GLubyte
*start_ptr
; /**< for i8xx */
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 */
213 /* Offsets of fields within the current vertex:
220 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
221 GLuint vertex_attr_count
;
223 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
225 GLboolean hw_stencil
;
226 GLboolean hw_stipple
;
227 GLboolean depth_buffer_is_float
;
230 GLboolean always_flush_batch
;
231 GLboolean always_flush_cache
;
233 /* 0 - nonconformant, best performance;
234 * 1 - fallback to sw for known conformance bugs
235 * 2 - always fallback to sw
237 GLuint conformance_mode
;
239 /* State for intelvb.c and inteltris.c.
242 GLmatrix ViewportMatrix
;
243 GLenum render_primitive
;
244 GLenum reduced_primitive
;
246 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
248 /* Fallback rasterization functions
250 intel_point_func draw_point
;
251 intel_line_func draw_line
;
252 intel_tri_func draw_tri
;
255 * Set to true if a single constant cliprect should be used in the
256 * batchbuffer. Otherwise, cliprects must be calculated at batchbuffer
257 * flush time while the lock is held.
259 GLboolean constant_cliprect
;
262 * In !constant_cliprect mode, set to true if the front cliprects should be
263 * used instead of back.
265 GLboolean front_cliprects
;
268 * Set if rendering has occured to the drawable's front buffer.
270 * This is used in the DRI2 case to detect that glFlush should also copy
271 * the contents of the fake front buffer to the real front buffer.
273 GLboolean front_buffer_dirty
;
276 * Track whether front-buffer rendering is currently enabled
278 * A separate flag is used to track this in order to support MRT more
281 GLboolean is_front_buffer_rendering
;
283 * Track whether front-buffer is the current read target.
285 * This is closely associated with is_front_buffer_rendering, but may
286 * be set separately. The DRI2 fake front buffer must be referenced
289 GLboolean is_front_buffer_reading
;
291 GLboolean use_texture_tiling
;
292 GLboolean use_early_z
;
293 drm_clip_rect_t fboRect
; /**< cliprect for FBO rendering */
295 drm_clip_rect_t draw_rect
;
296 drm_clip_rect_t scissor_rect
;
298 drm_context_t hHWContext
;
302 __DRIcontextPrivate
*driContext
;
303 __DRIdrawablePrivate
*driDrawable
;
304 __DRIdrawablePrivate
*driReadDrawable
;
305 __DRIscreenPrivate
*driScreen
;
306 intelScreenPrivate
*intelScreen
;
307 volatile drm_i915_sarea_t
*sarea
;
312 * Configuration cache
314 driOptionCache optionCache
;
317 int64_t swap_missed_ust
;
320 GLuint swap_missed_count
;
323 /* These are functions now:
325 void LOCK_HARDWARE( struct intel_context
*intel
);
326 void UNLOCK_HARDWARE( struct intel_context
*intel
);
328 extern char *__progname
;
331 #define SUBPIXEL_X 0.125
332 #define SUBPIXEL_Y 0.125
334 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
335 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
336 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
338 static INLINE
uint32_t
339 U_FIXED(float value
, uint32_t frac_bits
)
341 value
*= (1 << frac_bits
);
342 return value
< 0 ? 0 : value
;
345 static INLINE
uint32_t
346 S_FIXED(float value
, uint32_t frac_bits
)
348 return value
* (1 << frac_bits
);
351 #define INTEL_FIREVERTICES(intel) \
353 if ((intel)->prim.flush) \
354 (intel)->prim.flush(intel); \
357 /* ================================================================
358 * From linux kernel i386 header files, copes with odd sizes better
359 * than COPY_DWORDS would:
360 * XXX Put this in src/mesa/main/imports.h ???
362 #if defined(i386) || defined(__i386__)
363 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
366 __asm__
__volatile__(
371 "1:\ttestb $1,%b4\n\t"
375 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
376 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
381 #define __memcpy(a,b,c) memcpy(a,b,c)
385 /* ================================================================
388 extern int INTEL_DEBUG
;
390 #define DEBUG_TEXTURE 0x1
391 #define DEBUG_STATE 0x2
392 #define DEBUG_IOCTL 0x4
393 #define DEBUG_BLIT 0x8
394 #define DEBUG_MIPTREE 0x10
395 #define DEBUG_FALLBACKS 0x20
396 #define DEBUG_VERBOSE 0x40
397 #define DEBUG_BATCH 0x80
398 #define DEBUG_PIXEL 0x100
399 #define DEBUG_BUFMGR 0x200
400 #define DEBUG_REGION 0x400
401 #define DEBUG_FBO 0x800
402 #define DEBUG_LOCK 0x1000
403 #define DEBUG_SYNC 0x2000
404 #define DEBUG_PRIMS 0x4000
405 #define DEBUG_VERTS 0x8000
406 #define DEBUG_DRI 0x10000
407 #define DEBUG_DMA 0x20000
408 #define DEBUG_SANITY 0x40000
409 #define DEBUG_SLEEP 0x80000
410 #define DEBUG_STATS 0x100000
411 #define DEBUG_TILE 0x200000
412 #define DEBUG_SINGLE_THREAD 0x400000
413 #define DEBUG_WM 0x800000
414 #define DEBUG_URB 0x1000000
415 #define DEBUG_VS 0x2000000
417 #define DBG(...) do { \
418 if (INTEL_DEBUG & FILE_DEBUG_FLAG) \
419 _mesa_printf(__VA_ARGS__); \
422 #define PCI_CHIP_845_G 0x2562
423 #define PCI_CHIP_I830_M 0x3577
424 #define PCI_CHIP_I855_GM 0x3582
425 #define PCI_CHIP_I865_G 0x2572
426 #define PCI_CHIP_I915_G 0x2582
427 #define PCI_CHIP_I915_GM 0x2592
428 #define PCI_CHIP_I945_G 0x2772
429 #define PCI_CHIP_I945_GM 0x27A2
430 #define PCI_CHIP_I945_GME 0x27AE
431 #define PCI_CHIP_G33_G 0x29C2
432 #define PCI_CHIP_Q35_G 0x29B2
433 #define PCI_CHIP_Q33_G 0x29D2
436 /* ================================================================
440 extern GLboolean
intelInitContext(struct intel_context
*intel
,
441 const __GLcontextModes
* mesaVis
,
442 __DRIcontextPrivate
* driContextPriv
,
443 void *sharedContextPrivate
,
444 struct dd_function_table
*functions
);
446 extern void intelGetLock(struct intel_context
*intel
, GLuint flags
);
448 extern void intelFinish(GLcontext
* ctx
);
449 extern void intelFlush(GLcontext
* ctx
);
451 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
453 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
456 /* ================================================================
459 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
461 #define COMPAREFUNC_ALWAYS 0
462 #define COMPAREFUNC_NEVER 0x1
463 #define COMPAREFUNC_LESS 0x2
464 #define COMPAREFUNC_EQUAL 0x3
465 #define COMPAREFUNC_LEQUAL 0x4
466 #define COMPAREFUNC_GREATER 0x5
467 #define COMPAREFUNC_NOTEQUAL 0x6
468 #define COMPAREFUNC_GEQUAL 0x7
470 #define STENCILOP_KEEP 0
471 #define STENCILOP_ZERO 0x1
472 #define STENCILOP_REPLACE 0x2
473 #define STENCILOP_INCRSAT 0x3
474 #define STENCILOP_DECRSAT 0x4
475 #define STENCILOP_INCR 0x5
476 #define STENCILOP_DECR 0x6
477 #define STENCILOP_INVERT 0x7
479 #define LOGICOP_CLEAR 0
480 #define LOGICOP_NOR 0x1
481 #define LOGICOP_AND_INV 0x2
482 #define LOGICOP_COPY_INV 0x3
483 #define LOGICOP_AND_RVRSE 0x4
484 #define LOGICOP_INV 0x5
485 #define LOGICOP_XOR 0x6
486 #define LOGICOP_NAND 0x7
487 #define LOGICOP_AND 0x8
488 #define LOGICOP_EQUIV 0x9
489 #define LOGICOP_NOOP 0xa
490 #define LOGICOP_OR_INV 0xb
491 #define LOGICOP_COPY 0xc
492 #define LOGICOP_OR_RVRSE 0xd
493 #define LOGICOP_OR 0xe
494 #define LOGICOP_SET 0xf
496 #define BLENDFACT_ZERO 0x01
497 #define BLENDFACT_ONE 0x02
498 #define BLENDFACT_SRC_COLR 0x03
499 #define BLENDFACT_INV_SRC_COLR 0x04
500 #define BLENDFACT_SRC_ALPHA 0x05
501 #define BLENDFACT_INV_SRC_ALPHA 0x06
502 #define BLENDFACT_DST_ALPHA 0x07
503 #define BLENDFACT_INV_DST_ALPHA 0x08
504 #define BLENDFACT_DST_COLR 0x09
505 #define BLENDFACT_INV_DST_COLR 0x0a
506 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
507 #define BLENDFACT_CONST_COLOR 0x0c
508 #define BLENDFACT_INV_CONST_COLOR 0x0d
509 #define BLENDFACT_CONST_ALPHA 0x0e
510 #define BLENDFACT_INV_CONST_ALPHA 0x0f
511 #define BLENDFACT_MASK 0x0f
514 DRI_CONF_BO_REUSE_DISABLED
,
515 DRI_CONF_BO_REUSE_ALL
518 extern int intel_translate_shadow_compare_func(GLenum func
);
519 extern int intel_translate_compare_func(GLenum func
);
520 extern int intel_translate_stencil_op(GLenum op
);
521 extern int intel_translate_blend_factor(GLenum factor
);
522 extern int intel_translate_logic_op(GLenum opcode
);
524 void intel_viewport(GLcontext
* ctx
, GLint x
, GLint y
,
525 GLsizei width
, GLsizei height
);
527 void intel_update_renderbuffers(__DRIcontext
*context
,
528 __DRIdrawable
*drawable
);
530 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
533 /*======================================================================
534 * Inline conversion functions.
535 * These are better-typed than the macros used previously:
537 static INLINE
struct intel_context
*
538 intel_context(GLcontext
* ctx
)
540 return (struct intel_context
*) ctx
;
543 static INLINE GLboolean
544 is_power_of_two(uint32_t value
)
546 return (value
& (value
- 1)) == 0;
550 intel_bo_map_gtt_preferred(struct intel_context
*intel
,
554 if (intel
->intelScreen
->kernel_exec_fencing
)
555 drm_intel_gem_bo_map_gtt(bo
);
557 drm_intel_bo_map(bo
, write
);
561 intel_bo_unmap_gtt_preferred(struct intel_context
*intel
,
564 if (intel
->intelScreen
->kernel_exec_fencing
)
565 drm_intel_gem_bo_unmap_gtt(bo
);
567 drm_intel_bo_unmap(bo
);