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"
38 /* Evil hack for using libdrm in a c++ compiler. */
43 #include "intel_bufmgr.h"
45 #include "intel_screen.h"
46 #include "intel_tex_obj.h"
54 #include "tnl/t_vertex.h"
56 #define TAG(x) intel##x
57 #include "tnl_dd/t_dd_vertex.h"
60 #define DV_PF_555 (1<<8)
61 #define DV_PF_565 (2<<8)
62 #define DV_PF_8888 (3<<8)
63 #define DV_PF_4444 (8<<8)
64 #define DV_PF_1555 (9<<8)
69 typedef void (*intel_tri_func
) (struct intel_context
*, intelVertex
*,
70 intelVertex
*, intelVertex
*);
71 typedef void (*intel_line_func
) (struct intel_context
*, intelVertex
*,
73 typedef void (*intel_point_func
) (struct intel_context
*, intelVertex
*);
76 * Bits for intel->Fallback field
79 #define INTEL_FALLBACK_DRAW_BUFFER 0x1
80 #define INTEL_FALLBACK_READ_BUFFER 0x2
81 #define INTEL_FALLBACK_DEPTH_BUFFER 0x4
82 #define INTEL_FALLBACK_STENCIL_BUFFER 0x8
83 #define INTEL_FALLBACK_USER 0x10
84 #define INTEL_FALLBACK_RENDERMODE 0x20
85 #define INTEL_FALLBACK_TEXTURE 0x40
86 #define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
89 extern void intelFallback(struct intel_context
*intel
, GLbitfield bit
,
91 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
94 #define INTEL_WRITE_PART 0x1
95 #define INTEL_WRITE_FULL 0x2
96 #define INTEL_READ 0x4
98 #define INTEL_MAX_FIXUP 64
102 #define likely(expr) (__builtin_expect(expr, 1))
103 #define unlikely(expr) (__builtin_expect(expr, 0))
105 #define likely(expr) (expr)
106 #define unlikely(expr) (expr)
110 struct intel_sync_object
{
111 struct gl_sync_object Base
;
113 /** Batch associated with this sync object */
118 * intel_context is derived from Mesa's context class: struct gl_context.
122 struct gl_context ctx
; /**< base class, must be first field */
126 void (*destroy
) (struct intel_context
* intel
);
127 void (*emit_state
) (struct intel_context
* intel
);
128 void (*finish_batch
) (struct intel_context
* intel
);
129 void (*new_batch
) (struct intel_context
* intel
);
130 void (*emit_invarient_state
) (struct intel_context
* intel
);
131 void (*update_texture_state
) (struct intel_context
* intel
);
133 void (*render_start
) (struct intel_context
* intel
);
134 void (*render_prevalidate
) (struct intel_context
* intel
);
135 void (*set_draw_region
) (struct intel_context
* intel
,
136 struct intel_region
* draw_regions
[],
137 struct intel_region
* depth_region
,
140 void (*reduced_primitive_state
) (struct intel_context
* intel
,
143 GLboolean (*check_vertex_size
) (struct intel_context
* intel
,
145 void (*invalidate_state
) (struct intel_context
*intel
,
148 void (*assert_not_dirty
) (struct intel_context
*intel
);
150 void (*debug_batch
)(struct intel_context
*intel
);
151 bool (*render_target_supported
)(gl_format format
);
154 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
158 unsigned int maxBatchSize
;
161 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
164 GLboolean needs_ff_sync
;
167 GLboolean has_luminance_srgb
;
168 GLboolean has_xrgb_textures
;
172 struct intel_batchbuffer
*batch
;
173 drm_intel_bo
*first_post_swapbuffers_batch
;
174 GLboolean need_throttle
;
175 GLboolean no_batch_wrap
;
180 uint32_t primitive
; /**< Current hardware primitive type */
181 void (*flush
) (struct intel_context
*);
182 GLubyte
*start_ptr
; /**< for i8xx */
185 unsigned int start_offset
; /**< Byte offset of primitive sequence */
186 unsigned int current_offset
; /**< Byte offset of next vertex */
187 unsigned int count
; /**< Number of vertices in current primitive */
192 /* Offsets of fields within the current vertex:
199 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
200 GLuint vertex_attr_count
;
202 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
204 GLboolean hw_stencil
;
205 GLboolean hw_stipple
;
206 GLboolean depth_buffer_is_float
;
208 GLboolean always_flush_batch
;
209 GLboolean always_flush_cache
;
211 /* 0 - nonconformant, best performance;
212 * 1 - fallback to sw for known conformance bugs
213 * 2 - always fallback to sw
215 GLuint conformance_mode
;
217 /* State for intelvb.c and inteltris.c.
220 GLmatrix ViewportMatrix
;
221 GLenum render_primitive
;
222 GLenum reduced_primitive
;
224 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
226 /* Fallback rasterization functions
228 intel_point_func draw_point
;
229 intel_line_func draw_line
;
230 intel_tri_func draw_tri
;
233 * Set if rendering has occured to the drawable's front buffer.
235 * This is used in the DRI2 case to detect that glFlush should also copy
236 * the contents of the fake front buffer to the real front buffer.
238 GLboolean front_buffer_dirty
;
241 * Track whether front-buffer rendering is currently enabled
243 * A separate flag is used to track this in order to support MRT more
246 GLboolean is_front_buffer_rendering
;
248 * Track whether front-buffer is the current read target.
250 * This is closely associated with is_front_buffer_rendering, but may
251 * be set separately. The DRI2 fake front buffer must be referenced
254 GLboolean is_front_buffer_reading
;
256 GLboolean use_texture_tiling
;
257 GLboolean use_early_z
;
261 __DRIcontext
*driContext
;
262 struct intel_screen
*intelScreen
;
263 void (*saved_viewport
)(struct gl_context
* ctx
,
264 GLint x
, GLint y
, GLsizei width
, GLsizei height
);
267 * Configuration cache
269 driOptionCache optionCache
;
272 extern char *__progname
;
275 #define SUBPIXEL_X 0.125
276 #define SUBPIXEL_Y 0.125
278 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
279 #define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
280 #define ROUND_DOWN_TO(value, alignment) (ALIGN(value - alignment - 1, \
282 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
284 static INLINE
uint32_t
285 U_FIXED(float value
, uint32_t frac_bits
)
287 value
*= (1 << frac_bits
);
288 return value
< 0 ? 0 : value
;
291 static INLINE
uint32_t
292 S_FIXED(float value
, uint32_t frac_bits
)
294 return value
* (1 << frac_bits
);
297 #define INTEL_FIREVERTICES(intel) \
299 if ((intel)->prim.flush) \
300 (intel)->prim.flush(intel); \
303 /* ================================================================
304 * From linux kernel i386 header files, copes with odd sizes better
305 * than COPY_DWORDS would:
306 * XXX Put this in src/mesa/main/imports.h ???
308 #if defined(i386) || defined(__i386__)
309 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
312 __asm__
__volatile__(
317 "1:\ttestb $1,%b4\n\t"
321 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
322 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
327 #define __memcpy(a,b,c) memcpy(a,b,c)
331 /* ================================================================
334 extern int INTEL_DEBUG
;
336 #define DEBUG_TEXTURE 0x1
337 #define DEBUG_STATE 0x2
338 #define DEBUG_IOCTL 0x4
339 #define DEBUG_BLIT 0x8
340 #define DEBUG_MIPTREE 0x10
341 #define DEBUG_FALLBACKS 0x20
342 #define DEBUG_VERBOSE 0x40
343 #define DEBUG_BATCH 0x80
344 #define DEBUG_PIXEL 0x100
345 #define DEBUG_BUFMGR 0x200
346 #define DEBUG_REGION 0x400
347 #define DEBUG_FBO 0x800
348 #define DEBUG_GS 0x1000
349 #define DEBUG_SYNC 0x2000
350 #define DEBUG_PRIMS 0x4000
351 #define DEBUG_VERTS 0x8000
352 #define DEBUG_DRI 0x10000
353 #define DEBUG_SF 0x20000
354 #define DEBUG_SANITY 0x40000
355 #define DEBUG_SLEEP 0x80000
356 #define DEBUG_STATS 0x100000
357 #define DEBUG_TILE 0x200000
358 #define DEBUG_SINGLE_THREAD 0x400000
359 #define DEBUG_WM 0x800000
360 #define DEBUG_URB 0x1000000
361 #define DEBUG_VS 0x2000000
362 #define DEBUG_CLIP 0x8000000
364 #define DBG(...) do { \
365 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
366 printf(__VA_ARGS__); \
369 #define fallback_debug(...) do { \
370 if (unlikely(INTEL_DEBUG & DEBUG_FALLBACKS)) \
371 printf(__VA_ARGS__); \
374 #define PCI_CHIP_845_G 0x2562
375 #define PCI_CHIP_I830_M 0x3577
376 #define PCI_CHIP_I855_GM 0x3582
377 #define PCI_CHIP_I865_G 0x2572
378 #define PCI_CHIP_I915_G 0x2582
379 #define PCI_CHIP_I915_GM 0x2592
380 #define PCI_CHIP_I945_G 0x2772
381 #define PCI_CHIP_I945_GM 0x27A2
382 #define PCI_CHIP_I945_GME 0x27AE
383 #define PCI_CHIP_G33_G 0x29C2
384 #define PCI_CHIP_Q35_G 0x29B2
385 #define PCI_CHIP_Q33_G 0x29D2
388 /* ================================================================
392 extern GLboolean
intelInitContext(struct intel_context
*intel
,
394 const struct gl_config
* mesaVis
,
395 __DRIcontext
* driContextPriv
,
396 void *sharedContextPrivate
,
397 struct dd_function_table
*functions
);
399 extern void intelFinish(struct gl_context
* ctx
);
400 extern void intel_flush(struct gl_context
* ctx
);
402 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
404 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
407 /* ================================================================
410 extern void intelInitStateFuncs(struct dd_function_table
*functions
);
412 #define COMPAREFUNC_ALWAYS 0
413 #define COMPAREFUNC_NEVER 0x1
414 #define COMPAREFUNC_LESS 0x2
415 #define COMPAREFUNC_EQUAL 0x3
416 #define COMPAREFUNC_LEQUAL 0x4
417 #define COMPAREFUNC_GREATER 0x5
418 #define COMPAREFUNC_NOTEQUAL 0x6
419 #define COMPAREFUNC_GEQUAL 0x7
421 #define STENCILOP_KEEP 0
422 #define STENCILOP_ZERO 0x1
423 #define STENCILOP_REPLACE 0x2
424 #define STENCILOP_INCRSAT 0x3
425 #define STENCILOP_DECRSAT 0x4
426 #define STENCILOP_INCR 0x5
427 #define STENCILOP_DECR 0x6
428 #define STENCILOP_INVERT 0x7
430 #define LOGICOP_CLEAR 0
431 #define LOGICOP_NOR 0x1
432 #define LOGICOP_AND_INV 0x2
433 #define LOGICOP_COPY_INV 0x3
434 #define LOGICOP_AND_RVRSE 0x4
435 #define LOGICOP_INV 0x5
436 #define LOGICOP_XOR 0x6
437 #define LOGICOP_NAND 0x7
438 #define LOGICOP_AND 0x8
439 #define LOGICOP_EQUIV 0x9
440 #define LOGICOP_NOOP 0xa
441 #define LOGICOP_OR_INV 0xb
442 #define LOGICOP_COPY 0xc
443 #define LOGICOP_OR_RVRSE 0xd
444 #define LOGICOP_OR 0xe
445 #define LOGICOP_SET 0xf
447 #define BLENDFACT_ZERO 0x01
448 #define BLENDFACT_ONE 0x02
449 #define BLENDFACT_SRC_COLR 0x03
450 #define BLENDFACT_INV_SRC_COLR 0x04
451 #define BLENDFACT_SRC_ALPHA 0x05
452 #define BLENDFACT_INV_SRC_ALPHA 0x06
453 #define BLENDFACT_DST_ALPHA 0x07
454 #define BLENDFACT_INV_DST_ALPHA 0x08
455 #define BLENDFACT_DST_COLR 0x09
456 #define BLENDFACT_INV_DST_COLR 0x0a
457 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
458 #define BLENDFACT_CONST_COLOR 0x0c
459 #define BLENDFACT_INV_CONST_COLOR 0x0d
460 #define BLENDFACT_CONST_ALPHA 0x0e
461 #define BLENDFACT_INV_CONST_ALPHA 0x0f
462 #define BLENDFACT_MASK 0x0f
465 DRI_CONF_BO_REUSE_DISABLED
,
466 DRI_CONF_BO_REUSE_ALL
469 extern int intel_translate_shadow_compare_func(GLenum func
);
470 extern int intel_translate_compare_func(GLenum func
);
471 extern int intel_translate_stencil_op(GLenum op
);
472 extern int intel_translate_blend_factor(GLenum factor
);
473 extern int intel_translate_logic_op(GLenum opcode
);
475 void intel_update_renderbuffers(__DRIcontext
*context
,
476 __DRIdrawable
*drawable
);
477 void intel_prepare_render(struct intel_context
*intel
);
479 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
482 /*======================================================================
483 * Inline conversion functions.
484 * These are better-typed than the macros used previously:
486 static INLINE
struct intel_context
*
487 intel_context(struct gl_context
* ctx
)
489 return (struct intel_context
*) ctx
;
492 static INLINE GLboolean
493 is_power_of_two(uint32_t value
)
495 return (value
& (value
- 1)) == 0;