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"
35 #include "dri_metaops.h"
39 /* Evil hack for using libdrm in a c++ compiler. */
44 #include "intel_bufmgr.h"
46 #include "intel_screen.h"
47 #include "intel_tex_obj.h"
55 #include "tnl/t_vertex.h"
57 #define TAG(x) intel##x
58 #include "tnl_dd/t_dd_vertex.h"
61 #define DV_PF_555 (1<<8)
62 #define DV_PF_565 (2<<8)
63 #define DV_PF_8888 (3<<8)
64 #define DV_PF_4444 (8<<8)
65 #define DV_PF_1555 (9<<8)
70 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
71 intelVertex
*, intelVertex
*);
72 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
74 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
77 * Bits for intel->Fallback field
80 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
81 #define INTEL_FALLBACK_READ_BUFFER 0x2
82 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
83 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
84 #define INTEL_FALLBACK_USER 0x10
85 #define INTEL_FALLBACK_RENDERMODE 0x20
86 #define INTEL_FALLBACK_TEXTURE 0x40
87 #define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
90 extern void intelFallback(struct intel_context
*intel
, GLbitfield bit
,
92 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
95 #define INTEL_WRITE_PART 0x1
96 #define INTEL_WRITE_FULL 0x2
97 #define INTEL_READ 0x4
99 #define INTEL_MAX_FIXUP 64
103 #define likely(expr) (__builtin_expect(expr, 1))
104 #define unlikely(expr) (__builtin_expect(expr, 0))
106 #define likely(expr) (expr)
107 #define unlikely(expr) (expr)
111 struct intel_sync_object
{
112 struct gl_sync_object Base
;
114 /** Batch associated with this sync object */
119 * intel_context is derived from Mesa's context class: struct gl_context.
123 struct gl_context ctx
; /**< base class, must be first field */
127 void (*destroy
) (struct intel_context
* intel
);
128 void (*emit_state
) (struct intel_context
* intel
);
129 void (*finish_batch
) (struct intel_context
* intel
);
130 void (*new_batch
) (struct intel_context
* intel
);
131 void (*emit_invarient_state
) (struct intel_context
* intel
);
132 void (*update_texture_state
) (struct intel_context
* intel
);
134 void (*render_start
) (struct intel_context
* intel
);
135 void (*render_prevalidate
) (struct intel_context
* intel
);
136 void (*set_draw_region
) (struct intel_context
* intel
,
137 struct intel_region
* draw_regions
[],
138 struct intel_region
* depth_region
,
141 void (*reduced_primitive_state
) (struct intel_context
* intel
,
144 GLboolean (*check_vertex_size
) (struct intel_context
* intel
,
146 void (*invalidate_state
) (struct intel_context
*intel
,
149 void (*assert_not_dirty
) (struct intel_context
*intel
);
151 void (*debug_batch
)(struct intel_context
*intel
);
154 struct dri_metaops meta
;
156 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
160 unsigned int maxBatchSize
;
163 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
166 GLboolean needs_ff_sync
;
169 GLboolean has_luminance_srgb
;
170 GLboolean has_xrgb_textures
;
174 struct intel_batchbuffer
*batch
;
175 drm_intel_bo
*first_post_swapbuffers_batch
;
176 GLboolean need_throttle
;
177 GLboolean no_batch_wrap
;
182 uint32_t primitive
; /**< Current hardware primitive type */
183 void (*flush
) (struct intel_context
*);
184 GLubyte
*start_ptr
; /**< for i8xx */
187 unsigned int start_offset
; /**< Byte offset of primitive sequence */
188 unsigned int current_offset
; /**< Byte offset of next vertex */
189 unsigned int count
; /**< Number of vertices in current primitive */
194 /* Offsets of fields within the current vertex:
201 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
202 GLuint vertex_attr_count
;
204 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
206 GLboolean hw_stencil
;
207 GLboolean hw_stipple
;
208 GLboolean depth_buffer_is_float
;
211 GLboolean always_flush_batch
;
212 GLboolean always_flush_cache
;
214 /* 0 - nonconformant, best performance;
215 * 1 - fallback to sw for known conformance bugs
216 * 2 - always fallback to sw
218 GLuint conformance_mode
;
220 /* State for intelvb.c and inteltris.c.
223 GLmatrix ViewportMatrix
;
224 GLenum render_primitive
;
225 GLenum reduced_primitive
;
227 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
229 /* Fallback rasterization functions
231 intel_point_func draw_point
;
232 intel_line_func draw_line
;
233 intel_tri_func draw_tri
;
236 * Set if rendering has occured to the drawable's front buffer.
238 * This is used in the DRI2 case to detect that glFlush should also copy
239 * the contents of the fake front buffer to the real front buffer.
241 GLboolean front_buffer_dirty
;
244 * Track whether front-buffer rendering is currently enabled
246 * A separate flag is used to track this in order to support MRT more
249 GLboolean is_front_buffer_rendering
;
251 * Track whether front-buffer is the current read target.
253 * This is closely associated with is_front_buffer_rendering, but may
254 * be set separately. The DRI2 fake front buffer must be referenced
257 GLboolean is_front_buffer_reading
;
259 GLboolean use_texture_tiling
;
260 GLboolean use_early_z
;
264 __DRIcontext
*driContext
;
265 struct intel_screen
*intelScreen
;
266 void (*saved_viewport
)(struct gl_context
* ctx
,
267 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
270 * Configuration cache
272 driOptionCache optionCache
;
275 extern char *__progname
;
278 #define SUBPIXEL_X 0.125
279 #define SUBPIXEL_Y 0.125
281 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
282 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
283 #define ROUND_DOWN_TO(value, alignment) (ALIGN(value - alignment - 1, \
285 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
287 static INLINE
uint32_t
288 U_FIXED(float value
, uint32_t frac_bits
)
290 value
*= (1 << frac_bits
);
291 return value
< 0 ? 0 : value
;
294 static INLINE
uint32_t
295 S_FIXED(float value
, uint32_t frac_bits
)
297 return value
* (1 << frac_bits
);
300 #define INTEL_FIREVERTICES(intel) \
302 if ((intel)->prim.flush) \
303 (intel)->prim.flush(intel); \
306 /* ================================================================
307 * From linux kernel i386 header files, copes with odd sizes better
308 * than COPY_DWORDS would:
309 * XXX Put this in src/mesa/main/imports.h ???
311 #if defined(i386) || defined(__i386__)
312 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
315 __asm__
__volatile__(
320 "1:\ttestb $1,%b4\n\t"
324 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
325 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
330 #define __memcpy(a,b,c) memcpy(a,b,c)
334 /* ================================================================
337 extern int INTEL_DEBUG
;
339 #define DEBUG_TEXTURE 0x1
340 #define DEBUG_STATE 0x2
341 #define DEBUG_IOCTL 0x4
342 #define DEBUG_BLIT 0x8
343 #define DEBUG_MIPTREE 0x10
344 #define DEBUG_FALLBACKS 0x20
345 #define DEBUG_VERBOSE 0x40
346 #define DEBUG_BATCH 0x80
347 #define DEBUG_PIXEL 0x100
348 #define DEBUG_BUFMGR 0x200
349 #define DEBUG_REGION 0x400
350 #define DEBUG_FBO 0x800
351 #define DEBUG_GS 0x1000
352 #define DEBUG_SYNC 0x2000
353 #define DEBUG_PRIMS 0x4000
354 #define DEBUG_VERTS 0x8000
355 #define DEBUG_DRI 0x10000
356 #define DEBUG_SF 0x20000
357 #define DEBUG_SANITY 0x40000
358 #define DEBUG_SLEEP 0x80000
359 #define DEBUG_STATS 0x100000
360 #define DEBUG_TILE 0x200000
361 #define DEBUG_SINGLE_THREAD 0x400000
362 #define DEBUG_WM 0x800000
363 #define DEBUG_URB 0x1000000
364 #define DEBUG_VS 0x2000000
365 #define DEBUG_GLSL_FORCE 0x4000000
366 #define DEBUG_CLIP 0x8000000
368 #define DBG(...) do { \
369 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
370 printf(__VA_ARGS__); \
373 #define fallback_debug(...) do { \
374 if (unlikely(INTEL_DEBUG & DEBUG_FALLBACKS)) \
375 printf(__VA_ARGS__); \
378 #define PCI_CHIP_845_G 0x2562
379 #define PCI_CHIP_I830_M 0x3577
380 #define PCI_CHIP_I855_GM 0x3582
381 #define PCI_CHIP_I865_G 0x2572
382 #define PCI_CHIP_I915_G 0x2582
383 #define PCI_CHIP_I915_GM 0x2592
384 #define PCI_CHIP_I945_G 0x2772
385 #define PCI_CHIP_I945_GM 0x27A2
386 #define PCI_CHIP_I945_GME 0x27AE
387 #define PCI_CHIP_G33_G 0x29C2
388 #define PCI_CHIP_Q35_G 0x29B2
389 #define PCI_CHIP_Q33_G 0x29D2
392 /* ================================================================
396 extern GLboolean
intelInitContext(struct intel_context
*intel
,
398 const struct gl_config
* mesaVis
,
399 __DRIcontext
* driContextPriv
,
400 void *sharedContextPrivate
,
401 struct dd_function_table
*functions
);
403 extern void intelFinish(struct gl_context
* ctx
);
404 extern void intel_flush(struct gl_context
* ctx
);
406 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
408 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
411 /* ================================================================
414 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
416 #define COMPAREFUNC_ALWAYS 0
417 #define COMPAREFUNC_NEVER 0x1
418 #define COMPAREFUNC_LESS 0x2
419 #define COMPAREFUNC_EQUAL 0x3
420 #define COMPAREFUNC_LEQUAL 0x4
421 #define COMPAREFUNC_GREATER 0x5
422 #define COMPAREFUNC_NOTEQUAL 0x6
423 #define COMPAREFUNC_GEQUAL 0x7
425 #define STENCILOP_KEEP 0
426 #define STENCILOP_ZERO 0x1
427 #define STENCILOP_REPLACE 0x2
428 #define STENCILOP_INCRSAT 0x3
429 #define STENCILOP_DECRSAT 0x4
430 #define STENCILOP_INCR 0x5
431 #define STENCILOP_DECR 0x6
432 #define STENCILOP_INVERT 0x7
434 #define LOGICOP_CLEAR 0
435 #define LOGICOP_NOR 0x1
436 #define LOGICOP_AND_INV 0x2
437 #define LOGICOP_COPY_INV 0x3
438 #define LOGICOP_AND_RVRSE 0x4
439 #define LOGICOP_INV 0x5
440 #define LOGICOP_XOR 0x6
441 #define LOGICOP_NAND 0x7
442 #define LOGICOP_AND 0x8
443 #define LOGICOP_EQUIV 0x9
444 #define LOGICOP_NOOP 0xa
445 #define LOGICOP_OR_INV 0xb
446 #define LOGICOP_COPY 0xc
447 #define LOGICOP_OR_RVRSE 0xd
448 #define LOGICOP_OR 0xe
449 #define LOGICOP_SET 0xf
451 #define BLENDFACT_ZERO 0x01
452 #define BLENDFACT_ONE 0x02
453 #define BLENDFACT_SRC_COLR 0x03
454 #define BLENDFACT_INV_SRC_COLR 0x04
455 #define BLENDFACT_SRC_ALPHA 0x05
456 #define BLENDFACT_INV_SRC_ALPHA 0x06
457 #define BLENDFACT_DST_ALPHA 0x07
458 #define BLENDFACT_INV_DST_ALPHA 0x08
459 #define BLENDFACT_DST_COLR 0x09
460 #define BLENDFACT_INV_DST_COLR 0x0a
461 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
462 #define BLENDFACT_CONST_COLOR 0x0c
463 #define BLENDFACT_INV_CONST_COLOR 0x0d
464 #define BLENDFACT_CONST_ALPHA 0x0e
465 #define BLENDFACT_INV_CONST_ALPHA 0x0f
466 #define BLENDFACT_MASK 0x0f
469 DRI_CONF_BO_REUSE_DISABLED
,
470 DRI_CONF_BO_REUSE_ALL
473 extern int intel_translate_shadow_compare_func(GLenum func
);
474 extern int intel_translate_compare_func(GLenum func
);
475 extern int intel_translate_stencil_op(GLenum op
);
476 extern int intel_translate_blend_factor(GLenum factor
);
477 extern int intel_translate_logic_op(GLenum opcode
);
479 void intel_update_renderbuffers(__DRIcontext
*context
,
480 __DRIdrawable
*drawable
);
481 void intel_prepare_render(struct intel_context
*intel
);
483 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
486 /*======================================================================
487 * Inline conversion functions.
488 * These are better-typed than the macros used previously:
490 static INLINE
struct intel_context
*
491 intel_context(struct gl_context
* ctx
)
493 return (struct intel_context
*) ctx
;
496 static INLINE GLboolean
497 is_power_of_two(uint32_t value
)
499 return (value
& (value
- 1)) == 0;