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
34 #include "main/mtypes.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"
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
100 #define likely(expr) (__builtin_expect(expr, 1))
101 #define unlikely(expr) (__builtin_expect(expr, 0))
103 #define likely(expr) (expr)
104 #define unlikely(expr) (expr)
108 struct intel_sync_object
{
109 struct gl_sync_object Base
;
111 /** Batch associated with this sync object */
115 struct intel_batchbuffer
{
116 /** Current batchbuffer being queued up. */
118 /** Last BO submitted to the hardware. Used for glFinish(). */
119 drm_intel_bo
*last_bo
;
121 uint16_t emit
, total
;
122 uint16_t used
, reserved_space
;
125 #define BATCH_SZ (8192*sizeof(uint32_t))
129 * intel_context is derived from Mesa's context class: struct gl_context.
133 struct gl_context ctx
; /**< base class, must be first field */
137 void (*destroy
) (struct intel_context
* intel
);
138 void (*emit_state
) (struct intel_context
* intel
);
139 void (*finish_batch
) (struct intel_context
* intel
);
140 void (*new_batch
) (struct intel_context
* intel
);
141 void (*emit_invarient_state
) (struct intel_context
* intel
);
142 void (*update_texture_state
) (struct intel_context
* intel
);
144 void (*render_start
) (struct intel_context
* intel
);
145 void (*render_prevalidate
) (struct intel_context
* intel
);
146 void (*set_draw_region
) (struct intel_context
* intel
,
147 struct intel_region
* draw_regions
[],
148 struct intel_region
* depth_region
,
150 void (*update_draw_buffer
)(struct intel_context
*intel
);
152 void (*reduced_primitive_state
) (struct intel_context
* intel
,
155 bool (*check_vertex_size
) (struct intel_context
* intel
,
157 void (*invalidate_state
) (struct intel_context
*intel
,
160 void (*assert_not_dirty
) (struct intel_context
*intel
);
162 void (*debug_batch
)(struct intel_context
*intel
);
163 void (*annotate_aub
)(struct intel_context
*intel
);
164 bool (*render_target_supported
)(struct intel_context
*intel
,
165 struct gl_renderbuffer
*rb
);
168 GLbitfield Fallback
; /**< mask of INTEL_FALLBACK_x bits */
172 unsigned int maxBatchSize
;
175 * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
181 struct intel_batchbuffer batch
;
183 drm_intel_bo
*first_post_swapbuffers_batch
;
186 bool tnl_pipeline_running
; /**< Set while i915's _tnl_run_pipeline. */
189 * Set if we're either a debug context or the INTEL_DEBUG=perf environment
190 * variable is set, this is the flag indicating to do expensive work that
191 * might lead to a perf_debug() call.
198 uint32_t start_ptr
; /**< for i8xx */
199 uint32_t primitive
; /**< Current hardware primitive type */
200 void (*flush
) (struct intel_context
*);
203 unsigned int start_offset
; /**< Byte offset of primitive sequence */
204 unsigned int current_offset
; /**< Byte offset of next vertex */
205 unsigned int count
; /**< Number of vertices in current primitive */
212 uint32_t buffer_offset
;
216 uint32_t max_gtt_map_object_size
;
218 /* Offsets of fields within the current vertex:
224 struct tnl_attr_map vertex_attrs
[VERT_ATTRIB_MAX
];
225 GLuint vertex_attr_count
;
227 GLfloat polygon_offset_scale
; /* dependent on depth_scale, bpp */
232 bool always_flush_batch
;
233 bool always_flush_cache
;
234 bool disable_throttling
;
236 /* State for intelvb.c and inteltris.c.
239 GLmatrix ViewportMatrix
;
240 GLenum render_primitive
;
241 GLenum reduced_primitive
; /*< Only gen < 6 */
243 GLubyte
*verts
; /* points to tnl->clipspace.vertex_buf */
245 /* Fallback rasterization functions
247 intel_point_func draw_point
;
248 intel_line_func draw_line
;
249 intel_tri_func draw_tri
;
252 * Set if rendering has occured to the drawable's front buffer.
254 * This is used in the DRI2 case to detect that glFlush should also copy
255 * the contents of the fake front buffer to the real front buffer.
257 bool front_buffer_dirty
;
260 * Track whether front-buffer rendering is currently enabled
262 * A separate flag is used to track this in order to support MRT more
265 bool is_front_buffer_rendering
;
267 * Track whether front-buffer is the current read target.
269 * This is closely associated with is_front_buffer_rendering, but may
270 * be set separately. The DRI2 fake front buffer must be referenced
273 bool is_front_buffer_reading
;
279 __DRIcontext
*driContext
;
280 struct intel_screen
*intelScreen
;
283 * Configuration cache
285 driOptionCache optionCache
;
288 extern char *__progname
;
291 #define SUBPIXEL_X 0.125
292 #define SUBPIXEL_Y 0.125
294 #define INTEL_FIREVERTICES(intel) \
296 if ((intel)->prim.flush) \
297 (intel)->prim.flush(intel); \
300 /* ================================================================
301 * From linux kernel i386 header files, copes with odd sizes better
302 * than COPY_DWORDS would:
303 * XXX Put this in src/mesa/main/imports.h ???
305 #if defined(i386) || defined(__i386__)
306 static INLINE
void * __memcpy(void * to
, const void * from
, size_t n
)
309 __asm__
__volatile__(
314 "1:\ttestb $1,%b4\n\t"
318 : "=&c" (d0
), "=&D" (d1
), "=&S" (d2
)
319 :"0" (n
/4), "q" (n
),"1" ((long) to
),"2" ((long) from
)
324 #define __memcpy(a,b,c) memcpy(a,b,c)
328 /* ================================================================
331 extern int INTEL_DEBUG
;
333 #define DEBUG_TEXTURE 0x1
334 #define DEBUG_STATE 0x2
335 #define DEBUG_BLIT 0x8
336 #define DEBUG_MIPTREE 0x10
337 #define DEBUG_PERF 0x20
338 #define DEBUG_BATCH 0x80
339 #define DEBUG_PIXEL 0x100
340 #define DEBUG_BUFMGR 0x200
341 #define DEBUG_REGION 0x400
342 #define DEBUG_FBO 0x800
343 #define DEBUG_SYNC 0x2000
344 #define DEBUG_DRI 0x10000
345 #define DEBUG_STATS 0x100000
346 #define DEBUG_WM 0x400000
347 #define DEBUG_AUB 0x4000000
349 #ifdef HAVE_ANDROID_PLATFORM
350 #define LOG_TAG "INTEL-MESA"
351 #include <cutils/log.h>
355 #define dbg_printf(...) ALOGW(__VA_ARGS__)
357 #define dbg_printf(...) printf(__VA_ARGS__)
358 #endif /* HAVE_ANDROID_PLATFORM */
360 #define DBG(...) do { \
361 if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
362 dbg_printf(__VA_ARGS__); \
365 #define perf_debug(...) do { \
366 static GLuint msg_id = 0; \
367 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
368 dbg_printf(__VA_ARGS__); \
369 if (intel->perf_debug) \
370 _mesa_gl_debug(&intel->ctx, &msg_id, \
371 MESA_DEBUG_TYPE_PERFORMANCE, \
372 MESA_DEBUG_SEVERITY_MEDIUM, \
376 #define WARN_ONCE(cond, fmt...) do { \
377 if (unlikely(cond)) { \
378 static bool _warned = false; \
379 static GLuint msg_id = 0; \
381 fprintf(stderr, "WARNING: "); \
382 fprintf(stderr, fmt); \
385 _mesa_gl_debug(ctx, &msg_id, \
386 MESA_DEBUG_TYPE_OTHER, \
387 MESA_DEBUG_SEVERITY_HIGH, fmt); \
392 /* ================================================================
396 extern bool intelInitContext(struct intel_context
*intel
,
398 unsigned major_version
,
399 unsigned minor_version
,
400 const struct gl_config
* mesaVis
,
401 __DRIcontext
* driContextPriv
,
402 void *sharedContextPrivate
,
403 struct dd_function_table
*functions
,
404 unsigned *dri_ctx_error
);
406 extern void intelFinish(struct gl_context
* ctx
);
407 extern void intel_flush_rendering_to_batch(struct gl_context
*ctx
);
408 extern void _intel_flush(struct gl_context
* ctx
, const char *file
, int line
);
410 #define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
412 extern void intelInitDriverFunctions(struct dd_function_table
*functions
);
414 void intel_init_syncobj_functions(struct dd_function_table
*functions
);
417 /* ================================================================
421 #define COMPAREFUNC_ALWAYS 0
422 #define COMPAREFUNC_NEVER 0x1
423 #define COMPAREFUNC_LESS 0x2
424 #define COMPAREFUNC_EQUAL 0x3
425 #define COMPAREFUNC_LEQUAL 0x4
426 #define COMPAREFUNC_GREATER 0x5
427 #define COMPAREFUNC_NOTEQUAL 0x6
428 #define COMPAREFUNC_GEQUAL 0x7
430 #define STENCILOP_KEEP 0
431 #define STENCILOP_ZERO 0x1
432 #define STENCILOP_REPLACE 0x2
433 #define STENCILOP_INCRSAT 0x3
434 #define STENCILOP_DECRSAT 0x4
435 #define STENCILOP_INCR 0x5
436 #define STENCILOP_DECR 0x6
437 #define STENCILOP_INVERT 0x7
439 #define LOGICOP_CLEAR 0
440 #define LOGICOP_NOR 0x1
441 #define LOGICOP_AND_INV 0x2
442 #define LOGICOP_COPY_INV 0x3
443 #define LOGICOP_AND_RVRSE 0x4
444 #define LOGICOP_INV 0x5
445 #define LOGICOP_XOR 0x6
446 #define LOGICOP_NAND 0x7
447 #define LOGICOP_AND 0x8
448 #define LOGICOP_EQUIV 0x9
449 #define LOGICOP_NOOP 0xa
450 #define LOGICOP_OR_INV 0xb
451 #define LOGICOP_COPY 0xc
452 #define LOGICOP_OR_RVRSE 0xd
453 #define LOGICOP_OR 0xe
454 #define LOGICOP_SET 0xf
456 #define BLENDFACT_ZERO 0x01
457 #define BLENDFACT_ONE 0x02
458 #define BLENDFACT_SRC_COLR 0x03
459 #define BLENDFACT_INV_SRC_COLR 0x04
460 #define BLENDFACT_SRC_ALPHA 0x05
461 #define BLENDFACT_INV_SRC_ALPHA 0x06
462 #define BLENDFACT_DST_ALPHA 0x07
463 #define BLENDFACT_INV_DST_ALPHA 0x08
464 #define BLENDFACT_DST_COLR 0x09
465 #define BLENDFACT_INV_DST_COLR 0x0a
466 #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
467 #define BLENDFACT_CONST_COLOR 0x0c
468 #define BLENDFACT_INV_CONST_COLOR 0x0d
469 #define BLENDFACT_CONST_ALPHA 0x0e
470 #define BLENDFACT_INV_CONST_ALPHA 0x0f
471 #define BLENDFACT_MASK 0x0f
474 DRI_CONF_BO_REUSE_DISABLED
,
475 DRI_CONF_BO_REUSE_ALL
478 extern int intel_translate_shadow_compare_func(GLenum func
);
479 extern int intel_translate_compare_func(GLenum func
);
480 extern int intel_translate_stencil_op(GLenum op
);
481 extern int intel_translate_blend_factor(GLenum factor
);
482 extern int intel_translate_logic_op(GLenum opcode
);
484 void intel_update_renderbuffers(__DRIcontext
*context
,
485 __DRIdrawable
*drawable
);
486 void intel_prepare_render(struct intel_context
*intel
);
488 void i915_set_buf_info_for_region(uint32_t *state
, struct intel_region
*region
,
490 void intel_init_texture_formats(struct gl_context
*ctx
);
492 /*======================================================================
493 * Inline conversion functions.
494 * These are better-typed than the macros used previously:
496 static INLINE
struct intel_context
*
497 intel_context(struct gl_context
* ctx
)
499 return (struct intel_context
*) ctx
;
503 is_power_of_two(uint32_t value
)
505 return (value
& (value
- 1)) == 0;