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
38 #include "intel_screen.h"
39 #include "i830_common.h"
40 #include "tnl/t_vertex.h"
42 #define TAG(x) intel##x
43 #include "tnl_dd/t_dd_vertex.h"
46 #define DV_PF_555 (1<<8)
47 #define DV_PF_565 (2<<8)
48 #define DV_PF_8888 (3<<8)
50 #define INTEL_CONTEXT(ctx) ((intelContextPtr)(ctx))
52 typedef struct intel_context intelContext
;
53 typedef struct intel_context
*intelContextPtr
;
54 typedef struct intel_texture_object
*intelTextureObjectPtr
;
56 typedef void (*intel_tri_func
)(intelContextPtr
, intelVertex
*, intelVertex
*,
58 typedef void (*intel_line_func
)(intelContextPtr
, intelVertex
*, intelVertex
*);
59 typedef void (*intel_point_func
)(intelContextPtr
, intelVertex
*);
61 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
62 #define INTEL_FALLBACK_READ_BUFFER 0x2
63 #define INTEL_FALLBACK_USER 0x4
64 #define INTEL_FALLBACK_NO_BATCHBUFFER 0x8
65 #define INTEL_FALLBACK_NO_TEXMEM 0x10
66 #define INTEL_FALLBACK_RENDERMODE 0x20
68 extern void intelFallback( intelContextPtr intel
, GLuint bit
, GLboolean mode
);
69 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
72 #define INTEL_TEX_MAXLEVELS 10
75 struct intel_texture_object
77 driTextureObject base
; /* the parent class */
91 const struct gl_texture_image
*image
;
92 GLuint offset
; /* into BufAddr */
94 GLuint internalFormat
;
95 } image
[6][INTEL_TEX_MAXLEVELS
];
98 GLuint firstLevel
,lastLevel
;
104 GLcontext ctx
; /* the parent class */
107 void (*destroy
)( intelContextPtr intel
);
108 void (*emit_state
)( intelContextPtr intel
);
109 void (*emit_invarient_state
)( intelContextPtr intel
);
110 void (*lost_hardware
)( intelContextPtr intel
);
111 void (*update_texture_state
)( intelContextPtr intel
);
113 void (*render_start
)( intelContextPtr intel
);
114 void (*set_draw_offset
)( intelContextPtr intel
, int offset
);
115 void (*emit_flush
)( intelContextPtr intel
);
117 void (*reduced_primitive_state
)( intelContextPtr intel
, GLenum rprim
);
119 GLboolean (*check_vertex_size
)( intelContextPtr intel
, GLuint expected
);
121 void (*clear_with_tris
)( intelContextPtr intel
, GLbitfield mask
,
123 GLint cx
, GLint cy
, GLint cw
, GLint ch
);
125 intelTextureObjectPtr (*alloc_tex_obj
)( struct gl_texture_object
*tObj
);
151 void (*flush
)( GLcontext
* );
166 /* Support for duplicating XYZW as WPOS parameter (crutch for I915).
171 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
172 GLuint vertex_attr_count
;
175 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
176 GLuint depth_clear_mask
;
177 GLuint stencil_clear_mask
;
179 GLboolean hw_stencil
;
180 GLboolean hw_stipple
;
182 /* Texture object bookkeeping
185 driTexHeap
* texture_heaps
[1];
186 driTextureObject swapped
;
189 struct intel_texture_object
*CurrentTexObj
[MAX_TEXTURE_UNITS
];
191 /* State for intelvb.c and inteltris.c.
194 GLmatrix ViewportMatrix
;
195 GLenum render_primitive
;
196 GLenum reduced_primitive
;
198 char *verts
; /* points to tnl->clipspace.vertex_buf */
201 /* Fallback rasterization functions
203 intel_point_func draw_point
;
204 intel_line_func draw_line
;
205 intel_tri_func draw_tri
;
207 /* These refer to the current draw (front vs. back) buffer:
209 GLuint drawOffset
; /* agp offset of drawbuffer */
210 int drawX
; /* origin of drawable in draw buffer */
212 GLuint numClipRects
; /* cliprects for that buffer */
213 drm_clip_rect_t
*pClipRects
;
220 drm_clip_rect_t draw_rect
;
221 drm_clip_rect_t scissor_rect
;
223 drm_context_t hHWContext
;
227 __DRIdrawablePrivate
*driDrawable
;
228 __DRIscreenPrivate
*driScreen
;
229 intelScreenPrivate
*intelScreen
;
233 * Configuration cache
235 driOptionCache optionCache
;
239 #define DEBUG_LOCKING 1
242 extern char *prevLockFile
;
243 extern int prevLockLine
;
245 #define DEBUG_LOCK() \
247 prevLockFile = (__FILE__); \
248 prevLockLine = (__LINE__); \
251 #define DEBUG_RESET() \
257 /* Slightly less broken way of detecting recursive locking in a
258 * threaded environment. The right way to do this would be to make
259 * prevLockFile, prevLockLine thread-local.
261 * This technique instead checks to see if the same context is
262 * requesting the lock twice -- this will not catch application
263 * breakages where the same context is active in two different threads
264 * at once, but it will catch driver breakages (recursive locking) in
267 #define DEBUG_CHECK_LOCK() \
269 if ( *((volatile int *)intel->driHwLock) == \
270 (DRM_LOCK_HELD | intel->hHWContext) ) { \
272 "LOCK SET!\n\tPrevious %s:%d\n\tCurrent: %s:%d\n", \
273 prevLockFile, prevLockLine, __FILE__, __LINE__ ); \
281 #define DEBUG_RESET()
282 #define DEBUG_CHECK_LOCK()
289 /* Lock the hardware and validate our state.
291 #define LOCK_HARDWARE( intel ) \
294 DEBUG_CHECK_LOCK(); \
295 assert(!(intel)->locked); \
296 DRM_CAS((intel)->driHwLock, (intel)->hHWContext, \
297 (DRM_LOCK_HELD|(intel)->hHWContext), __ret); \
299 intelGetLock( (intel), 0 ); \
301 (intel)->locked = 1; \
305 /* Unlock the hardware using the global current context
307 #define UNLOCK_HARDWARE(intel) \
311 intel->perf_boxes |= intel->sarea->perf_boxes; \
312 intel->sarea->perf_boxes = 0; \
314 DRM_UNLOCK((intel)->driFd, (intel)->driHwLock, (intel)->hHWContext); \
319 #define SUBPIXEL_X 0.125
320 #define SUBPIXEL_Y 0.125
322 #define INTEL_FIREVERTICES(intel) \
324 if ((intel)->prim.flush) \
325 (intel)->prim.flush(&(intel)->ctx); \
328 /* ================================================================
332 #define INTEL_PACKCOLOR4444(r,g,b,a) \
333 ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
335 #define INTEL_PACKCOLOR1555(r,g,b,a) \
336 ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
339 #define INTEL_PACKCOLOR565(r,g,b) \
340 ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
342 #define INTEL_PACKCOLOR8888(r,g,b,a) \
343 ((a<<24) | (r<<16) | (g<<8) | b)
346 #define INTEL_PACKCOLOR(format, r, g, b, a) \
347 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \
348 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \
349 (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \
354 /* ================================================================
355 * From linux kernel i386 header files, copes with odd sizes better
356 * than COPY_DWORDS would:
358 #if defined(i386) || defined(__i386__)
359 static __inline__
void * __memcpy(void * to
, const void * from
, size_t n
)
362 __asm__
__volatile__(
367 "1:\ttestb $1,%b4\n\t"
371 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
372 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
377 #define __memcpy(a,b,c) memcpy(a,b,c)
382 /* ================================================================
387 extern int INTEL_DEBUG
;
389 #define INTEL_DEBUG 0
392 #define DEBUG_TEXTURE 0x1
393 #define DEBUG_STATE 0x2
394 #define DEBUG_IOCTL 0x4
395 #define DEBUG_PRIMS 0x8
396 #define DEBUG_VERTS 0x10
397 #define DEBUG_FALLBACKS 0x20
398 #define DEBUG_VERBOSE 0x40
399 #define DEBUG_DRI 0x80
400 #define DEBUG_DMA 0x100
401 #define DEBUG_SANITY 0x200
402 #define DEBUG_SYNC 0x400
403 #define DEBUG_SLEEP 0x800
404 #define DEBUG_PIXEL 0x1000
407 #define PCI_CHIP_845_G 0x2562
408 #define PCI_CHIP_I830_M 0x3577
409 #define PCI_CHIP_I855_GM 0x3582
410 #define PCI_CHIP_I865_G 0x2572
411 #define PCI_CHIP_I915_G 0x2582
412 #define PCI_CHIP_I915_GM 0x2592
413 #define PCI_CHIP_I945_G 0x2772
416 /* ================================================================
420 extern void intelInitDriverFunctions( struct dd_function_table
*functions
);
422 extern GLboolean
intelInitContext( intelContextPtr intel
,
423 const __GLcontextModes
*mesaVis
,
424 __DRIcontextPrivate
*driContextPriv
,
425 void *sharedContextPrivate
,
426 struct dd_function_table
*functions
);
428 extern void intelGetLock(intelContextPtr intel
, GLuint flags
);
429 extern void intelSetBackClipRects(intelContextPtr intel
);
430 extern void intelSetFrontClipRects(intelContextPtr intel
);
431 extern void intelWindowMoved( intelContextPtr intel
);
433 extern void intelInitState( GLcontext
*ctx
);
434 extern const GLubyte
*intelGetString( GLcontext
*ctx
, GLenum name
);
437 /* ================================================================
440 extern void intelInitStateFuncs( struct dd_function_table
*functions
);
442 #define COMPAREFUNC_ALWAYS 0
443 #define COMPAREFUNC_NEVER 0x1
444 #define COMPAREFUNC_LESS 0x2
445 #define COMPAREFUNC_EQUAL 0x3
446 #define COMPAREFUNC_LEQUAL 0x4
447 #define COMPAREFUNC_GREATER 0x5
448 #define COMPAREFUNC_NOTEQUAL 0x6
449 #define COMPAREFUNC_GEQUAL 0x7
451 #define STENCILOP_KEEP 0
452 #define STENCILOP_ZERO 0x1
453 #define STENCILOP_REPLACE 0x2
454 #define STENCILOP_INCRSAT 0x3
455 #define STENCILOP_DECRSAT 0x4
456 #define STENCILOP_INCR 0x5
457 #define STENCILOP_DECR 0x6
458 #define STENCILOP_INVERT 0x7
460 #define LOGICOP_CLEAR 0
461 #define LOGICOP_NOR 0x1
462 #define LOGICOP_AND_INV 0x2
463 #define LOGICOP_COPY_INV 0x3
464 #define LOGICOP_AND_RVRSE 0x4
465 #define LOGICOP_INV 0x5
466 #define LOGICOP_XOR 0x6
467 #define LOGICOP_NAND 0x7
468 #define LOGICOP_AND 0x8
469 #define LOGICOP_EQUIV 0x9
470 #define LOGICOP_NOOP 0xa
471 #define LOGICOP_OR_INV 0xb
472 #define LOGICOP_COPY 0xc
473 #define LOGICOP_OR_RVRSE 0xd
474 #define LOGICOP_OR 0xe
475 #define LOGICOP_SET 0xf
477 #define BLENDFACT_ZERO 0x01
478 #define BLENDFACT_ONE 0x02
479 #define BLENDFACT_SRC_COLR 0x03
480 #define BLENDFACT_INV_SRC_COLR 0x04
481 #define BLENDFACT_SRC_ALPHA 0x05
482 #define BLENDFACT_INV_SRC_ALPHA 0x06
483 #define BLENDFACT_DST_ALPHA 0x07
484 #define BLENDFACT_INV_DST_ALPHA 0x08
485 #define BLENDFACT_DST_COLR 0x09
486 #define BLENDFACT_INV_DST_COLR 0x0a
487 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
488 #define BLENDFACT_CONST_COLOR 0x0c
489 #define BLENDFACT_INV_CONST_COLOR 0x0d
490 #define BLENDFACT_CONST_ALPHA 0x0e
491 #define BLENDFACT_INV_CONST_ALPHA 0x0f
492 #define BLENDFACT_MASK 0x0f
495 extern int intel_translate_compare_func( GLenum func
);
496 extern int intel_translate_stencil_op( GLenum op
);
497 extern int intel_translate_blend_factor( GLenum factor
);
498 extern int intel_translate_logic_op( GLenum opcode
);
501 /* ================================================================
504 extern void intel_dump_batchbuffer( long offset
,
509 /* ================================================================
512 extern void intelInitPixelFuncs( struct dd_function_table
*functions
);