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)
55 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
56 intelVertex
*, intelVertex
*);
57 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
59 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
61 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
62 #define INTEL_FALLBACK_READ_BUFFER 0x2
63 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
64 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
65 #define INTEL_FALLBACK_USER 0x10
66 #define INTEL_FALLBACK_RENDERMODE 0x20
67 #define INTEL_FALLBACK_TEXTURE 0x40
69 extern void intelFallback(struct intel_context
*intel
, GLuint bit
,
71 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
74 #define INTEL_WRITE_PART 0x1
75 #define INTEL_WRITE_FULL 0x2
76 #define INTEL_READ 0x4
78 #define INTEL_MAX_FIXUP 64
82 GLcontext ctx
; /* the parent class */
86 void (*destroy
) (struct intel_context
* intel
);
87 void (*emit_state
) (struct intel_context
* intel
);
88 void (*finish_batch
) (struct intel_context
* intel
);
89 void (*new_batch
) (struct intel_context
* intel
);
90 void (*emit_invarient_state
) (struct intel_context
* intel
);
91 void (*note_fence
) (struct intel_context
*intel
, GLuint fence
);
92 void (*note_unlock
) (struct intel_context
*intel
);
93 void (*update_texture_state
) (struct intel_context
* intel
);
95 void (*render_start
) (struct intel_context
* intel
);
96 void (*render_prevalidate
) (struct intel_context
* intel
);
97 void (*set_draw_region
) (struct intel_context
* intel
,
98 struct intel_region
* draw_regions
[],
99 struct intel_region
* depth_region
,
102 GLuint (*flush_cmd
) (void);
104 void (*reduced_primitive_state
) (struct intel_context
* intel
,
107 GLboolean (*check_vertex_size
) (struct intel_context
* intel
,
109 void (*invalidate_state
) (struct intel_context
*intel
,
115 void (*install_meta_state
) (struct intel_context
* intel
);
116 void (*leave_meta_state
) (struct intel_context
* intel
);
118 void (*meta_draw_region
) (struct intel_context
* intel
,
119 struct intel_region
* draw_region
,
120 struct intel_region
* depth_region
);
122 void (*meta_draw_quad
)(struct intel_context
*intel
,
123 GLfloat x0
, GLfloat x1
,
124 GLfloat y0
, GLfloat y1
,
126 GLuint color
, /* ARGB32 */
127 GLfloat s0
, GLfloat s1
,
128 GLfloat t0
, GLfloat t1
);
130 void (*meta_color_mask
) (struct intel_context
* intel
, GLboolean
);
132 void (*meta_stencil_replace
) (struct intel_context
* intel
,
133 GLuint mask
, GLuint clear
);
135 void (*meta_depth_replace
) (struct intel_context
* intel
);
137 void (*meta_texture_blend_replace
) (struct intel_context
* intel
);
139 void (*meta_no_stencil_write
) (struct intel_context
* intel
);
140 void (*meta_no_depth_write
) (struct intel_context
* intel
);
141 void (*meta_no_texture
) (struct intel_context
* intel
);
143 void (*meta_import_pixel_state
) (struct intel_context
* intel
);
144 void (*meta_frame_buffer_texture
) (struct intel_context
*intel
,
145 GLint xoff
, GLint yoff
);
147 GLboolean(*meta_tex_rect_source
) (struct intel_context
* intel
,
152 GLenum format
, GLenum type
);
154 void (*assert_not_dirty
) (struct intel_context
*intel
);
156 void (*debug_batch
)(struct intel_context
*intel
);
160 struct gl_fragment_program
*bitmap_fp
;
161 struct gl_vertex_program
*passthrough_vp
;
163 struct gl_fragment_program
*saved_fp
;
164 GLboolean saved_fp_enable
;
165 struct gl_vertex_program
*saved_vp
;
166 GLboolean saved_vp_enable
;
168 GLint saved_vp_x
, saved_vp_y
;
169 GLsizei saved_vp_width
, saved_vp_height
;
170 GLenum saved_matrix_mode
;
178 unsigned int maxBatchSize
;
180 struct intel_region
*front_region
;
181 struct intel_region
*back_region
;
182 struct intel_region
*depth_region
;
185 * This value indicates that the kernel memory manager is being used
186 * instead of the fake client-side memory manager.
190 struct intel_batchbuffer
*batch
;
191 GLboolean no_batch_wrap
;
197 uint32_t primitive
; /**< Current hardware primitive type */
198 void (*flush
) (struct intel_context
*);
199 GLubyte
*start_ptr
; /**< for i8xx */
202 unsigned int start_offset
; /**< Byte offset of primitive sequence */
203 unsigned int current_offset
; /**< Byte offset of next vertex */
204 unsigned int count
; /**< Number of vertices in current primitive */
212 GLuint ClearColor565
;
213 GLuint ClearColor8888
;
215 /* Offsets of fields within the current vertex:
222 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
223 GLuint vertex_attr_count
;
225 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
227 GLboolean hw_stencil
;
228 GLboolean hw_stipple
;
229 GLboolean depth_buffer_is_float
;
231 GLboolean always_flush_batch
;
232 GLboolean always_flush_cache
;
234 /* 0 - nonconformant, best performance;
235 * 1 - fallback to sw for known conformance bugs
236 * 2 - always fallback to sw
238 GLuint conformance_mode
;
240 /* State for intelvb.c and inteltris.c.
243 GLmatrix ViewportMatrix
;
244 GLenum render_primitive
;
245 GLenum reduced_primitive
;
247 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
249 /* Fallback rasterization functions
251 intel_point_func draw_point
;
252 intel_line_func draw_line
;
253 intel_tri_func draw_tri
;
255 /* These refer to the current drawing buffer:
257 struct gl_texture_object
*frame_buffer_texobj
;
259 * Set to true if a single constant cliprect should be used in the
260 * batchbuffer. Otherwise, cliprects must be calculated at batchbuffer
261 * flush time while the lock is held.
263 GLboolean constant_cliprect
;
265 * In !constant_cliprect mode, set to true if the front cliprects should be
266 * used instead of back.
268 GLboolean front_cliprects
;
269 drm_clip_rect_t fboRect
; /**< cliprect for FBO rendering */
278 drm_clip_rect_t draw_rect
;
279 drm_clip_rect_t scissor_rect
;
281 drm_context_t hHWContext
;
285 __DRIcontextPrivate
*driContext
;
286 __DRIdrawablePrivate
*driDrawable
;
287 __DRIdrawablePrivate
*driReadDrawable
;
288 __DRIscreenPrivate
*driScreen
;
289 intelScreenPrivate
*intelScreen
;
290 volatile struct drm_i915_sarea
*sarea
;
297 * Configuration cache
299 driOptionCache optionCache
;
302 int64_t swap_missed_ust
;
305 GLuint swap_missed_count
;
308 /* These are functions now:
310 void LOCK_HARDWARE( struct intel_context
*intel
);
311 void UNLOCK_HARDWARE( struct intel_context
*intel
);
313 extern char *__progname
;
316 #define SUBPIXEL_X 0.125
317 #define SUBPIXEL_Y 0.125
319 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
320 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
322 #define INTEL_FIREVERTICES(intel) \
324 if ((intel)->prim.flush) \
325 (intel)->prim.flush(intel); \
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)
345 #define INTEL_PACKCOLOR(format, r, g, b, a) \
346 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \
347 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \
348 (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \
351 /* ================================================================
352 * From linux kernel i386 header files, copes with odd sizes better
353 * than COPY_DWORDS would:
354 * XXX Put this in src/mesa/main/imports.h ???
356 #if defined(i386) || defined(__i386__)
357 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
360 __asm__
__volatile__(
365 "1:\ttestb $1,%b4\n\t"
369 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
370 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
375 #define __memcpy(a,b,c) memcpy(a,b,c)
379 /* ================================================================
382 extern int INTEL_DEBUG
;
384 #define DEBUG_TEXTURE 0x1
385 #define DEBUG_STATE 0x2
386 #define DEBUG_IOCTL 0x4
387 #define DEBUG_BLIT 0x8
388 #define DEBUG_MIPTREE 0x10
389 #define DEBUG_FALLBACKS 0x20
390 #define DEBUG_VERBOSE 0x40
391 #define DEBUG_BATCH 0x80
392 #define DEBUG_PIXEL 0x100
393 #define DEBUG_BUFMGR 0x200
394 #define DEBUG_REGION 0x400
395 #define DEBUG_FBO 0x800
396 #define DEBUG_LOCK 0x1000
397 #define DEBUG_SYNC 0x2000
398 #define DEBUG_PRIMS 0x4000
399 #define DEBUG_VERTS 0x8000
400 #define DEBUG_DRI 0x10000
401 #define DEBUG_DMA 0x20000
402 #define DEBUG_SANITY 0x40000
403 #define DEBUG_SLEEP 0x80000
404 #define DEBUG_STATS 0x100000
405 #define DEBUG_TILE 0x200000
406 #define DEBUG_SINGLE_THREAD 0x400000
407 #define DEBUG_WM 0x800000
408 #define DEBUG_URB 0x1000000
409 #define DEBUG_VS 0x2000000
411 #define DBG(...) do { \
412 if (INTEL_DEBUG & FILE_DEBUG_FLAG) \
413 _mesa_printf(__VA_ARGS__); \
416 #define PCI_CHIP_845_G 0x2562
417 #define PCI_CHIP_I830_M 0x3577
418 #define PCI_CHIP_I855_GM 0x3582
419 #define PCI_CHIP_I865_G 0x2572
420 #define PCI_CHIP_I915_G 0x2582
421 #define PCI_CHIP_I915_GM 0x2592
422 #define PCI_CHIP_I945_G 0x2772
423 #define PCI_CHIP_I945_GM 0x27A2
424 #define PCI_CHIP_I945_GME 0x27AE
425 #define PCI_CHIP_G33_G 0x29C2
426 #define PCI_CHIP_Q35_G 0x29B2
427 #define PCI_CHIP_Q33_G 0x29D2
430 /* ================================================================
434 extern GLboolean
intelInitContext(struct intel_context
*intel
,
435 const __GLcontextModes
* mesaVis
,
436 __DRIcontextPrivate
* driContextPriv
,
437 void *sharedContextPrivate
,
438 struct dd_function_table
*functions
);
440 extern void intelGetLock(struct intel_context
*intel
, GLuint flags
);
442 extern void intelFinish(GLcontext
* ctx
);
443 extern void intelFlush(GLcontext
* ctx
);
445 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
448 /* ================================================================
451 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
453 #define COMPAREFUNC_ALWAYS 0
454 #define COMPAREFUNC_NEVER 0x1
455 #define COMPAREFUNC_LESS 0x2
456 #define COMPAREFUNC_EQUAL 0x3
457 #define COMPAREFUNC_LEQUAL 0x4
458 #define COMPAREFUNC_GREATER 0x5
459 #define COMPAREFUNC_NOTEQUAL 0x6
460 #define COMPAREFUNC_GEQUAL 0x7
462 #define STENCILOP_KEEP 0
463 #define STENCILOP_ZERO 0x1
464 #define STENCILOP_REPLACE 0x2
465 #define STENCILOP_INCRSAT 0x3
466 #define STENCILOP_DECRSAT 0x4
467 #define STENCILOP_INCR 0x5
468 #define STENCILOP_DECR 0x6
469 #define STENCILOP_INVERT 0x7
471 #define LOGICOP_CLEAR 0
472 #define LOGICOP_NOR 0x1
473 #define LOGICOP_AND_INV 0x2
474 #define LOGICOP_COPY_INV 0x3
475 #define LOGICOP_AND_RVRSE 0x4
476 #define LOGICOP_INV 0x5
477 #define LOGICOP_XOR 0x6
478 #define LOGICOP_NAND 0x7
479 #define LOGICOP_AND 0x8
480 #define LOGICOP_EQUIV 0x9
481 #define LOGICOP_NOOP 0xa
482 #define LOGICOP_OR_INV 0xb
483 #define LOGICOP_COPY 0xc
484 #define LOGICOP_OR_RVRSE 0xd
485 #define LOGICOP_OR 0xe
486 #define LOGICOP_SET 0xf
488 #define BLENDFACT_ZERO 0x01
489 #define BLENDFACT_ONE 0x02
490 #define BLENDFACT_SRC_COLR 0x03
491 #define BLENDFACT_INV_SRC_COLR 0x04
492 #define BLENDFACT_SRC_ALPHA 0x05
493 #define BLENDFACT_INV_SRC_ALPHA 0x06
494 #define BLENDFACT_DST_ALPHA 0x07
495 #define BLENDFACT_INV_DST_ALPHA 0x08
496 #define BLENDFACT_DST_COLR 0x09
497 #define BLENDFACT_INV_DST_COLR 0x0a
498 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
499 #define BLENDFACT_CONST_COLOR 0x0c
500 #define BLENDFACT_INV_CONST_COLOR 0x0d
501 #define BLENDFACT_CONST_ALPHA 0x0e
502 #define BLENDFACT_INV_CONST_ALPHA 0x0f
503 #define BLENDFACT_MASK 0x0f
506 DRI_CONF_BO_REUSE_DISABLED
,
507 DRI_CONF_BO_REUSE_ALL
510 extern int intel_translate_shadow_compare_func(GLenum func
);
511 extern int intel_translate_compare_func(GLenum func
);
512 extern int intel_translate_stencil_op(GLenum op
);
513 extern int intel_translate_blend_factor(GLenum factor
);
514 extern int intel_translate_logic_op(GLenum opcode
);
516 void intel_viewport(GLcontext
* ctx
, GLint x
, GLint y
,
517 GLsizei width
, GLsizei height
);
519 void intel_update_renderbuffers(__DRIcontext
*context
,
520 __DRIdrawable
*drawable
);
522 /*======================================================================
523 * Inline conversion functions.
524 * These are better-typed than the macros used previously:
526 static INLINE
struct intel_context
*
527 intel_context(GLcontext
* ctx
)
529 return (struct intel_context
*) ctx
;