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"
37 #include "intel_bufmgr.h"
39 #include "intel_screen.h"
40 #include "intel_tex_obj.h"
42 #include "tnl/t_vertex.h"
44 #define TAG(x) intel##x
45 #include "tnl_dd/t_dd_vertex.h"
48 #define DV_PF_555 (1<<8)
49 #define DV_PF_565 (2<<8)
50 #define DV_PF_8888 (3<<8)
51 #define DV_PF_4444 (8<<8)
52 #define DV_PF_1555 (9<<8)
57 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
58 intelVertex
*, intelVertex
*);
59 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
61 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
63 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
64 #define INTEL_FALLBACK_READ_BUFFER 0x2
65 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
66 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
67 #define INTEL_FALLBACK_USER 0x10
68 #define INTEL_FALLBACK_RENDERMODE 0x20
69 #define INTEL_FALLBACK_TEXTURE 0x40
71 extern void intelFallback(struct intel_context
*intel
, GLuint bit
,
73 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
76 #define INTEL_WRITE_PART 0x1
77 #define INTEL_WRITE_FULL 0x2
78 #define INTEL_READ 0x4
80 #define INTEL_MAX_FIXUP 64
84 GLcontext ctx
; /* the parent class */
88 void (*destroy
) (struct intel_context
* intel
);
89 void (*emit_state
) (struct intel_context
* intel
);
90 void (*finish_batch
) (struct intel_context
* intel
);
91 void (*new_batch
) (struct intel_context
* intel
);
92 void (*emit_invarient_state
) (struct intel_context
* intel
);
93 void (*note_fence
) (struct intel_context
*intel
, GLuint fence
);
94 void (*note_unlock
) (struct intel_context
*intel
);
95 void (*update_texture_state
) (struct intel_context
* intel
);
97 void (*render_start
) (struct intel_context
* intel
);
98 void (*render_prevalidate
) (struct intel_context
* intel
);
99 void (*set_draw_region
) (struct intel_context
* intel
,
100 struct intel_region
* draw_regions
[],
101 struct intel_region
* depth_region
,
104 GLuint (*flush_cmd
) (void);
106 void (*reduced_primitive_state
) (struct intel_context
* intel
,
109 GLboolean (*check_vertex_size
) (struct intel_context
* intel
,
111 void (*invalidate_state
) (struct intel_context
*intel
,
117 void (*install_meta_state
) (struct intel_context
* intel
);
118 void (*leave_meta_state
) (struct intel_context
* intel
);
120 void (*meta_draw_region
) (struct intel_context
* intel
,
121 struct intel_region
* draw_region
,
122 struct intel_region
* depth_region
);
124 void (*meta_draw_quad
)(struct intel_context
*intel
,
125 GLfloat x0
, GLfloat x1
,
126 GLfloat y0
, GLfloat y1
,
128 GLuint color
, /* ARGB32 */
129 GLfloat s0
, GLfloat s1
,
130 GLfloat t0
, GLfloat t1
);
132 void (*meta_color_mask
) (struct intel_context
* intel
, GLboolean
);
134 void (*meta_stencil_replace
) (struct intel_context
* intel
,
135 GLuint mask
, GLuint clear
);
137 void (*meta_depth_replace
) (struct intel_context
* intel
);
139 void (*meta_texture_blend_replace
) (struct intel_context
* intel
);
141 void (*meta_no_stencil_write
) (struct intel_context
* intel
);
142 void (*meta_no_depth_write
) (struct intel_context
* intel
);
143 void (*meta_no_texture
) (struct intel_context
* intel
);
145 void (*meta_import_pixel_state
) (struct intel_context
* intel
);
146 void (*meta_frame_buffer_texture
) (struct intel_context
*intel
,
147 GLint xoff
, GLint yoff
);
149 GLboolean(*meta_tex_rect_source
) (struct intel_context
* intel
,
154 GLenum format
, GLenum type
);
156 void (*assert_not_dirty
) (struct intel_context
*intel
);
158 void (*debug_batch
)(struct intel_context
*intel
);
162 struct gl_fragment_program
*bitmap_fp
;
163 struct gl_vertex_program
*passthrough_vp
;
164 struct gl_buffer_object
*texcoord_vbo
;
166 struct gl_fragment_program
*saved_fp
;
167 GLboolean saved_fp_enable
;
168 struct gl_vertex_program
*saved_vp
;
169 GLboolean saved_vp_enable
;
171 struct gl_fragment_program
*tex2d_fp
;
173 GLboolean saved_texcoord_enable
;
174 struct gl_buffer_object
*saved_array_vbo
, *saved_texcoord_vbo
;
175 GLenum saved_texcoord_type
;
176 GLsizei saved_texcoord_size
, saved_texcoord_stride
;
177 const void *saved_texcoord_ptr
;
178 int saved_active_texture
;
180 GLint saved_vp_x
, saved_vp_y
;
181 GLsizei saved_vp_width
, saved_vp_height
;
182 GLenum saved_matrix_mode
;
190 unsigned int maxBatchSize
;
192 struct intel_region
*front_region
;
193 struct intel_region
*back_region
;
194 struct intel_region
*depth_region
;
195 GLboolean internal_viewport_call
;
198 * This value indicates that the kernel memory manager is being used
199 * instead of the fake client-side memory manager.
203 struct intel_batchbuffer
*batch
;
204 GLboolean no_batch_wrap
;
210 uint32_t primitive
; /**< Current hardware primitive type */
211 void (*flush
) (struct intel_context
*);
212 GLubyte
*start_ptr
; /**< for i8xx */
215 unsigned int start_offset
; /**< Byte offset of primitive sequence */
216 unsigned int current_offset
; /**< Byte offset of next vertex */
217 unsigned int count
; /**< Number of vertices in current primitive */
225 GLuint ClearColor565
;
226 GLuint ClearColor8888
;
228 /* info for intel_clear_tris() */
231 struct gl_array_object
*arrayObj
;
232 GLfloat vertices
[4][3];
236 /* Offsets of fields within the current vertex:
243 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
244 GLuint vertex_attr_count
;
246 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
248 GLboolean hw_stencil
;
249 GLboolean hw_stipple
;
250 GLboolean depth_buffer_is_float
;
252 GLboolean always_flush_batch
;
253 GLboolean always_flush_cache
;
255 /* 0 - nonconformant, best performance;
256 * 1 - fallback to sw for known conformance bugs
257 * 2 - always fallback to sw
259 GLuint conformance_mode
;
261 /* State for intelvb.c and inteltris.c.
264 GLmatrix ViewportMatrix
;
265 GLenum render_primitive
;
266 GLenum reduced_primitive
;
268 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
270 /* Fallback rasterization functions
272 intel_point_func draw_point
;
273 intel_line_func draw_line
;
274 intel_tri_func draw_tri
;
276 /* These refer to the current drawing buffer:
278 struct gl_texture_object
*frame_buffer_texobj
;
280 * Set to true if a single constant cliprect should be used in the
281 * batchbuffer. Otherwise, cliprects must be calculated at batchbuffer
282 * flush time while the lock is held.
284 GLboolean constant_cliprect
;
287 * In !constant_cliprect mode, set to true if the front cliprects should be
288 * used instead of back.
290 GLboolean front_cliprects
;
293 * Set if rendering has occured to the drawable's front buffer.
295 * This is used in the DRI2 case to detect that glFlush should also copy
296 * the contents of the fake front buffer to the real front buffer.
298 GLboolean front_buffer_dirty
;
301 * Track whether front-buffer rendering is currently enabled
303 * A separate flag is used to track this in order to support MRT more
306 GLboolean is_front_buffer_rendering
;
308 GLboolean use_texture_tiling
;
309 GLboolean use_early_z
;
311 drm_clip_rect_t fboRect
; /**< cliprect for FBO rendering */
320 drm_clip_rect_t draw_rect
;
321 drm_clip_rect_t scissor_rect
;
323 drm_context_t hHWContext
;
327 __DRIcontextPrivate
*driContext
;
328 __DRIdrawablePrivate
*driDrawable
;
329 __DRIdrawablePrivate
*driReadDrawable
;
330 __DRIscreenPrivate
*driScreen
;
331 intelScreenPrivate
*intelScreen
;
332 volatile struct drm_i915_sarea
*sarea
;
339 * Configuration cache
341 driOptionCache optionCache
;
344 int64_t swap_missed_ust
;
347 GLuint swap_missed_count
;
350 /* These are functions now:
352 void LOCK_HARDWARE( struct intel_context
*intel
);
353 void UNLOCK_HARDWARE( struct intel_context
*intel
);
355 extern char *__progname
;
358 #define SUBPIXEL_X 0.125
359 #define SUBPIXEL_Y 0.125
361 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
362 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
363 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
365 #define INTEL_FIREVERTICES(intel) \
367 if ((intel)->prim.flush) \
368 (intel)->prim.flush(intel); \
371 /* ================================================================
375 #define INTEL_PACKCOLOR4444(r,g,b,a) \
376 ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
378 #define INTEL_PACKCOLOR1555(r,g,b,a) \
379 ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
382 #define INTEL_PACKCOLOR565(r,g,b) \
383 ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
385 #define INTEL_PACKCOLOR8888(r,g,b,a) \
386 ((a<<24) | (r<<16) | (g<<8) | b)
388 #define INTEL_PACKCOLOR(format, r, g, b, a) \
389 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \
390 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \
391 (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \
394 /* ================================================================
395 * From linux kernel i386 header files, copes with odd sizes better
396 * than COPY_DWORDS would:
397 * XXX Put this in src/mesa/main/imports.h ???
399 #if defined(i386) || defined(__i386__)
400 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
403 __asm__
__volatile__(
408 "1:\ttestb $1,%b4\n\t"
412 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
413 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
418 #define __memcpy(a,b,c) memcpy(a,b,c)
422 /* ================================================================
425 extern int INTEL_DEBUG
;
427 #define DEBUG_TEXTURE 0x1
428 #define DEBUG_STATE 0x2
429 #define DEBUG_IOCTL 0x4
430 #define DEBUG_BLIT 0x8
431 #define DEBUG_MIPTREE 0x10
432 #define DEBUG_FALLBACKS 0x20
433 #define DEBUG_VERBOSE 0x40
434 #define DEBUG_BATCH 0x80
435 #define DEBUG_PIXEL 0x100
436 #define DEBUG_BUFMGR 0x200
437 #define DEBUG_REGION 0x400
438 #define DEBUG_FBO 0x800
439 #define DEBUG_LOCK 0x1000
440 #define DEBUG_SYNC 0x2000
441 #define DEBUG_PRIMS 0x4000
442 #define DEBUG_VERTS 0x8000
443 #define DEBUG_DRI 0x10000
444 #define DEBUG_DMA 0x20000
445 #define DEBUG_SANITY 0x40000
446 #define DEBUG_SLEEP 0x80000
447 #define DEBUG_STATS 0x100000
448 #define DEBUG_TILE 0x200000
449 #define DEBUG_SINGLE_THREAD 0x400000
450 #define DEBUG_WM 0x800000
451 #define DEBUG_URB 0x1000000
452 #define DEBUG_VS 0x2000000
454 #define DBG(...) do { \
455 if (INTEL_DEBUG & FILE_DEBUG_FLAG) \
456 _mesa_printf(__VA_ARGS__); \
459 #define PCI_CHIP_845_G 0x2562
460 #define PCI_CHIP_I830_M 0x3577
461 #define PCI_CHIP_I855_GM 0x3582
462 #define PCI_CHIP_I865_G 0x2572
463 #define PCI_CHIP_I915_G 0x2582
464 #define PCI_CHIP_I915_GM 0x2592
465 #define PCI_CHIP_I945_G 0x2772
466 #define PCI_CHIP_I945_GM 0x27A2
467 #define PCI_CHIP_I945_GME 0x27AE
468 #define PCI_CHIP_G33_G 0x29C2
469 #define PCI_CHIP_Q35_G 0x29B2
470 #define PCI_CHIP_Q33_G 0x29D2
473 /* ================================================================
477 extern GLboolean
intelInitContext(struct intel_context
*intel
,
478 const __GLcontextModes
* mesaVis
,
479 __DRIcontextPrivate
* driContextPriv
,
480 void *sharedContextPrivate
,
481 struct dd_function_table
*functions
);
483 extern void intelGetLock(struct intel_context
*intel
, GLuint flags
);
485 extern void intelFinish(GLcontext
* ctx
);
486 extern void intelFlush(GLcontext
* ctx
);
488 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
491 /* ================================================================
494 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
496 #define COMPAREFUNC_ALWAYS 0
497 #define COMPAREFUNC_NEVER 0x1
498 #define COMPAREFUNC_LESS 0x2
499 #define COMPAREFUNC_EQUAL 0x3
500 #define COMPAREFUNC_LEQUAL 0x4
501 #define COMPAREFUNC_GREATER 0x5
502 #define COMPAREFUNC_NOTEQUAL 0x6
503 #define COMPAREFUNC_GEQUAL 0x7
505 #define STENCILOP_KEEP 0
506 #define STENCILOP_ZERO 0x1
507 #define STENCILOP_REPLACE 0x2
508 #define STENCILOP_INCRSAT 0x3
509 #define STENCILOP_DECRSAT 0x4
510 #define STENCILOP_INCR 0x5
511 #define STENCILOP_DECR 0x6
512 #define STENCILOP_INVERT 0x7
514 #define LOGICOP_CLEAR 0
515 #define LOGICOP_NOR 0x1
516 #define LOGICOP_AND_INV 0x2
517 #define LOGICOP_COPY_INV 0x3
518 #define LOGICOP_AND_RVRSE 0x4
519 #define LOGICOP_INV 0x5
520 #define LOGICOP_XOR 0x6
521 #define LOGICOP_NAND 0x7
522 #define LOGICOP_AND 0x8
523 #define LOGICOP_EQUIV 0x9
524 #define LOGICOP_NOOP 0xa
525 #define LOGICOP_OR_INV 0xb
526 #define LOGICOP_COPY 0xc
527 #define LOGICOP_OR_RVRSE 0xd
528 #define LOGICOP_OR 0xe
529 #define LOGICOP_SET 0xf
531 #define BLENDFACT_ZERO 0x01
532 #define BLENDFACT_ONE 0x02
533 #define BLENDFACT_SRC_COLR 0x03
534 #define BLENDFACT_INV_SRC_COLR 0x04
535 #define BLENDFACT_SRC_ALPHA 0x05
536 #define BLENDFACT_INV_SRC_ALPHA 0x06
537 #define BLENDFACT_DST_ALPHA 0x07
538 #define BLENDFACT_INV_DST_ALPHA 0x08
539 #define BLENDFACT_DST_COLR 0x09
540 #define BLENDFACT_INV_DST_COLR 0x0a
541 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
542 #define BLENDFACT_CONST_COLOR 0x0c
543 #define BLENDFACT_INV_CONST_COLOR 0x0d
544 #define BLENDFACT_CONST_ALPHA 0x0e
545 #define BLENDFACT_INV_CONST_ALPHA 0x0f
546 #define BLENDFACT_MASK 0x0f
549 DRI_CONF_BO_REUSE_DISABLED
,
550 DRI_CONF_BO_REUSE_ALL
553 extern int intel_translate_shadow_compare_func(GLenum func
);
554 extern int intel_translate_compare_func(GLenum func
);
555 extern int intel_translate_stencil_op(GLenum op
);
556 extern int intel_translate_blend_factor(GLenum factor
);
557 extern int intel_translate_logic_op(GLenum opcode
);
559 void intel_viewport(GLcontext
* ctx
, GLint x
, GLint y
,
560 GLsizei width
, GLsizei height
);
562 void intel_update_renderbuffers(__DRIcontext
*context
,
563 __DRIdrawable
*drawable
);
565 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
568 /*======================================================================
569 * Inline conversion functions.
570 * These are better-typed than the macros used previously:
572 static INLINE
struct intel_context
*
573 intel_context(GLcontext
* ctx
)
575 return (struct intel_context
*) ctx
;
578 static INLINE GLboolean
579 is_power_of_two(uint32_t value
)
581 return (value
& (value
- 1)) == 0;