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
37 #include "dri_bufmgr.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)
56 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
57 intelVertex
*, intelVertex
*);
58 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
60 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
62 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
63 #define INTEL_FALLBACK_READ_BUFFER 0x2
64 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
65 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
66 #define INTEL_FALLBACK_USER 0x10
67 #define INTEL_FALLBACK_RENDERMODE 0x20
68 #define INTEL_FALLBACK_TEXTURE 0x40
70 extern void intelFallback(struct intel_context
*intel
, GLuint bit
,
72 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
75 #define INTEL_WRITE_PART 0x1
76 #define INTEL_WRITE_FULL 0x2
77 #define INTEL_READ 0x4
79 #define INTEL_MAX_FIXUP 64
83 GLcontext ctx
; /* the parent class */
87 void (*destroy
) (struct intel_context
* intel
);
88 void (*emit_state
) (struct intel_context
* intel
);
89 void (*finish_batch
) (struct intel_context
* intel
);
90 void (*new_batch
) (struct intel_context
* intel
);
91 void (*emit_invarient_state
) (struct intel_context
* intel
);
92 void (*note_fence
) (struct intel_context
*intel
, GLuint fence
);
93 void (*note_unlock
) (struct intel_context
*intel
);
94 void (*update_texture_state
) (struct intel_context
* intel
);
96 void (*render_start
) (struct intel_context
* intel
);
97 void (*render_prevalidate
) (struct intel_context
* intel
);
98 void (*set_draw_region
) (struct intel_context
* intel
,
99 struct intel_region
* draw_regions
[],
100 struct intel_region
* depth_region
,
103 GLuint (*flush_cmd
) (void);
104 void (*emit_flush
) (struct intel_context
*intel
, GLuint unused
);
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
);
166 unsigned int maxBatchSize
;
168 struct intel_region
*front_region
;
169 struct intel_region
*back_region
;
170 struct intel_region
*third_region
;
171 struct intel_region
*depth_region
;
174 * This value indicates that the kernel memory manager is being used
175 * instead of the fake client-side memory manager.
179 struct intel_batchbuffer
*batch
;
180 GLboolean no_batch_wrap
;
186 uint32_t primitive
; /**< Current hardware primitive type */
187 void (*flush
) (struct intel_context
*);
190 unsigned int start_offset
; /**< Byte offset of primitive sequence */
191 unsigned int current_offset
; /**< Byte offset of next vertex */
192 unsigned int count
; /**< Number of vertices in current primitive */
200 GLubyte clear_chan
[4];
201 GLuint ClearColor565
;
202 GLuint ClearColor8888
;
204 /* Offsets of fields within the current vertex:
211 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
212 GLuint vertex_attr_count
;
214 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
216 GLboolean hw_stencil
;
217 GLboolean hw_stipple
;
218 GLboolean depth_buffer_is_float
;
220 GLboolean strict_conformance
;
222 /* State for intelvb.c and inteltris.c.
225 GLmatrix ViewportMatrix
;
226 GLenum render_primitive
;
227 GLenum reduced_primitive
;
229 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
230 struct intel_region
*draw_region
;
232 /* Fallback rasterization functions
234 intel_point_func draw_point
;
235 intel_line_func draw_line
;
236 intel_tri_func draw_tri
;
238 /* These refer to the current drawing buffer:
240 int drawX
, drawY
; /**< origin of drawing area within region */
241 GLuint numClipRects
; /**< cliprects for drawing */
242 drm_clip_rect_t
*pClipRects
;
243 struct gl_texture_object
*frame_buffer_texobj
;
244 drm_clip_rect_t fboRect
; /**< cliprect for FBO rendering */
253 drm_clip_rect_t draw_rect
;
254 drm_clip_rect_t scissor_rect
;
256 drm_context_t hHWContext
;
260 __DRIcontextPrivate
*driContext
;
261 __DRIdrawablePrivate
*driDrawable
;
262 __DRIdrawablePrivate
*driReadDrawable
;
263 __DRIscreenPrivate
*driScreen
;
264 intelScreenPrivate
*intelScreen
;
265 volatile struct drm_i915_sarea
*sarea
;
272 * Configuration cache
274 driOptionCache optionCache
;
276 /* Last seen width/height of the screen */
281 int64_t swap_missed_ust
;
284 GLuint swap_missed_count
;
287 /* These are functions now:
289 void LOCK_HARDWARE( struct intel_context
*intel
);
290 void UNLOCK_HARDWARE( struct intel_context
*intel
);
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))
301 #define INTEL_FIREVERTICES(intel) \
303 if ((intel)->prim.flush) \
304 (intel)->prim.flush(intel); \
307 /* ================================================================
311 #define INTEL_PACKCOLOR4444(r,g,b,a) \
312 ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
314 #define INTEL_PACKCOLOR1555(r,g,b,a) \
315 ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
318 #define INTEL_PACKCOLOR565(r,g,b) \
319 ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
321 #define INTEL_PACKCOLOR8888(r,g,b,a) \
322 ((a<<24) | (r<<16) | (g<<8) | b)
324 #define INTEL_PACKCOLOR(format, r, g, b, a) \
325 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \
326 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \
327 (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \
330 /* ================================================================
331 * From linux kernel i386 header files, copes with odd sizes better
332 * than COPY_DWORDS would:
333 * XXX Put this in src/mesa/main/imports.h ???
335 #if defined(i386) || defined(__i386__)
336 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
339 __asm__
__volatile__(
344 "1:\ttestb $1,%b4\n\t"
348 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
349 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
354 #define __memcpy(a,b,c) memcpy(a,b,c)
358 /* ================================================================
361 extern int INTEL_DEBUG
;
363 #define DEBUG_TEXTURE 0x1
364 #define DEBUG_STATE 0x2
365 #define DEBUG_IOCTL 0x4
366 #define DEBUG_BLIT 0x8
367 #define DEBUG_MIPTREE 0x10
368 #define DEBUG_FALLBACKS 0x20
369 #define DEBUG_VERBOSE 0x40
370 #define DEBUG_BATCH 0x80
371 #define DEBUG_PIXEL 0x100
372 #define DEBUG_BUFMGR 0x200
373 #define DEBUG_REGION 0x400
374 #define DEBUG_FBO 0x800
375 #define DEBUG_LOCK 0x1000
376 #define DEBUG_SYNC 0x2000
377 #define DEBUG_PRIMS 0x4000
378 #define DEBUG_VERTS 0x8000
379 #define DEBUG_DRI 0x10000
380 #define DEBUG_DMA 0x20000
381 #define DEBUG_SANITY 0x40000
382 #define DEBUG_SLEEP 0x80000
383 #define DEBUG_STATS 0x100000
384 #define DEBUG_TILE 0x200000
385 #define DEBUG_SINGLE_THREAD 0x400000
386 #define DEBUG_WM 0x800000
387 #define DEBUG_URB 0x1000000
388 #define DEBUG_VS 0x2000000
390 #define DBG(...) do { \
391 if (INTEL_DEBUG & FILE_DEBUG_FLAG) \
392 _mesa_printf(__VA_ARGS__); \
395 #define PCI_CHIP_845_G 0x2562
396 #define PCI_CHIP_I830_M 0x3577
397 #define PCI_CHIP_I855_GM 0x3582
398 #define PCI_CHIP_I865_G 0x2572
399 #define PCI_CHIP_I915_G 0x2582
400 #define PCI_CHIP_I915_GM 0x2592
401 #define PCI_CHIP_I945_G 0x2772
402 #define PCI_CHIP_I945_GM 0x27A2
403 #define PCI_CHIP_I945_GME 0x27AE
404 #define PCI_CHIP_G33_G 0x29C2
405 #define PCI_CHIP_Q35_G 0x29B2
406 #define PCI_CHIP_Q33_G 0x29D2
409 /* ================================================================
413 extern GLboolean
intelInitContext(struct intel_context
*intel
,
414 const __GLcontextModes
* mesaVis
,
415 __DRIcontextPrivate
* driContextPriv
,
416 void *sharedContextPrivate
,
417 struct dd_function_table
*functions
);
419 extern void intelGetLock(struct intel_context
*intel
, GLuint flags
);
421 extern void intelFinish(GLcontext
* ctx
);
422 extern void intelFlush(GLcontext
* ctx
);
424 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
425 extern void intelInitExtensions(GLcontext
*ctx
, GLboolean enable_imaging
);
428 /* ================================================================
431 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
433 #define COMPAREFUNC_ALWAYS 0
434 #define COMPAREFUNC_NEVER 0x1
435 #define COMPAREFUNC_LESS 0x2
436 #define COMPAREFUNC_EQUAL 0x3
437 #define COMPAREFUNC_LEQUAL 0x4
438 #define COMPAREFUNC_GREATER 0x5
439 #define COMPAREFUNC_NOTEQUAL 0x6
440 #define COMPAREFUNC_GEQUAL 0x7
442 #define STENCILOP_KEEP 0
443 #define STENCILOP_ZERO 0x1
444 #define STENCILOP_REPLACE 0x2
445 #define STENCILOP_INCRSAT 0x3
446 #define STENCILOP_DECRSAT 0x4
447 #define STENCILOP_INCR 0x5
448 #define STENCILOP_DECR 0x6
449 #define STENCILOP_INVERT 0x7
451 #define LOGICOP_CLEAR 0
452 #define LOGICOP_NOR 0x1
453 #define LOGICOP_AND_INV 0x2
454 #define LOGICOP_COPY_INV 0x3
455 #define LOGICOP_AND_RVRSE 0x4
456 #define LOGICOP_INV 0x5
457 #define LOGICOP_XOR 0x6
458 #define LOGICOP_NAND 0x7
459 #define LOGICOP_AND 0x8
460 #define LOGICOP_EQUIV 0x9
461 #define LOGICOP_NOOP 0xa
462 #define LOGICOP_OR_INV 0xb
463 #define LOGICOP_COPY 0xc
464 #define LOGICOP_OR_RVRSE 0xd
465 #define LOGICOP_OR 0xe
466 #define LOGICOP_SET 0xf
468 #define BLENDFACT_ZERO 0x01
469 #define BLENDFACT_ONE 0x02
470 #define BLENDFACT_SRC_COLR 0x03
471 #define BLENDFACT_INV_SRC_COLR 0x04
472 #define BLENDFACT_SRC_ALPHA 0x05
473 #define BLENDFACT_INV_SRC_ALPHA 0x06
474 #define BLENDFACT_DST_ALPHA 0x07
475 #define BLENDFACT_INV_DST_ALPHA 0x08
476 #define BLENDFACT_DST_COLR 0x09
477 #define BLENDFACT_INV_DST_COLR 0x0a
478 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
479 #define BLENDFACT_CONST_COLOR 0x0c
480 #define BLENDFACT_INV_CONST_COLOR 0x0d
481 #define BLENDFACT_CONST_ALPHA 0x0e
482 #define BLENDFACT_INV_CONST_ALPHA 0x0f
483 #define BLENDFACT_MASK 0x0f
486 DRI_CONF_BO_REUSE_DISABLED
,
487 DRI_CONF_BO_REUSE_ALL
490 extern int intel_translate_shadow_compare_func(GLenum func
);
491 extern int intel_translate_compare_func(GLenum func
);
492 extern int intel_translate_stencil_op(GLenum op
);
493 extern int intel_translate_blend_factor(GLenum factor
);
494 extern int intel_translate_logic_op(GLenum opcode
);
497 /*======================================================================
498 * Inline conversion functions.
499 * These are better-typed than the macros used previously:
501 static INLINE
struct intel_context
*
502 intel_context(GLcontext
* ctx
)
504 return (struct intel_context
*) ctx
;