2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics to
4 develop this 3D driver.
6 Permission is hereby granted, free of charge, to any person obtaining
7 a 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, sublicense, 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
16 portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **********************************************************************/
29 * Keith Whitwell <keithw@vmware.com>
33 #ifndef BRWCONTEXT_INC
34 #define BRWCONTEXT_INC
37 #include "main/macros.h"
38 #include "main/mtypes.h"
39 #include "main/errors.h"
40 #include "brw_structs.h"
41 #include "brw_pipe_control.h"
42 #include "compiler/brw_compiler.h"
45 #include "blorp/blorp.h"
47 #include <brw_bufmgr.h>
49 #include "common/gen_debug.h"
50 #include "common/gen_decoder.h"
51 #include "intel_screen.h"
52 #include "intel_tex_obj.h"
59 * URB - uniform resource buffer. A mid-sized buffer which is
60 * partitioned between the fixed function units and used for passing
61 * values (vertices, primitives, constants) between them.
63 * CURBE - constant URB entry. An urb region (entry) used to hold
64 * constant values which the fixed function units can be instructed to
65 * preload into the GRF when spawning a thread.
67 * VUE - vertex URB entry. An urb entry holding a vertex and usually
68 * a vertex header. The header contains control information and
69 * things like primitive type, Begin/end flags and clip codes.
71 * PUE - primitive URB entry. An urb entry produced by the setup (SF)
72 * unit holding rasterization and interpolation parameters.
74 * GRF - general register file. One of several register files
75 * addressable by programmed threads. The inputs (r0, payload, curbe,
76 * urb) of the thread are preloaded to this area before the thread is
77 * spawned. The registers are individually 8 dwords wide and suitable
78 * for general usage. Registers holding thread input values are not
79 * special and may be overwritten.
81 * MRF - message register file. Threads communicate (and terminate)
82 * by sending messages. Message parameters are placed in contiguous
83 * MRF registers. All program output is via these messages. URB
84 * entries are populated by sending a message to the shared URB
85 * function containing the new data, together with a control word,
86 * often an unmodified copy of R0.
88 * R0 - GRF register 0. Typically holds control information used when
89 * sending messages to other threads.
91 * EU or GEN4 EU: The name of the programmable subsystem of the
92 * i965 hardware. Threads are executed by the EU, the registers
93 * described above are part of the EU architecture.
95 * Fixed function units:
97 * CS - Command streamer. Notional first unit, little software
98 * interaction. Holds the URB entries used for constant data, ie the
101 * VF/VS - Vertex Fetch / Vertex Shader. The fixed function part of
102 * this unit is responsible for pulling vertices out of vertex buffers
103 * in vram and injecting them into the processing pipe as VUEs. If
104 * enabled, it first passes them to a VS thread which is a good place
105 * for the driver to implement any active vertex shader.
107 * HS - Hull Shader (Tessellation Control Shader)
109 * TE - Tessellation Engine (Tessellation Primitive Generation)
111 * DS - Domain Shader (Tessellation Evaluation Shader)
113 * GS - Geometry Shader. This corresponds to a new DX10 concept. If
114 * enabled, incoming strips etc are passed to GS threads in individual
115 * line/triangle/point units. The GS thread may perform arbitary
116 * computation and emit whatever primtives with whatever vertices it
117 * chooses. This makes GS an excellent place to implement GL's
118 * unfilled polygon modes, though of course it is capable of much
119 * more. Additionally, GS is used to translate away primitives not
120 * handled by latter units, including Quads and Lineloops.
122 * CS - Clipper. Mesa's clipping algorithms are imported to run on
123 * this unit. The fixed function part performs cliptesting against
124 * the 6 fixed clipplanes and makes descisions on whether or not the
125 * incoming primitive needs to be passed to a thread for clipping.
126 * User clip planes are handled via cooperation with the VS thread.
128 * SF - Strips Fans or Setup: Triangles are prepared for
129 * rasterization. Interpolation coefficients are calculated.
130 * Flatshading and two-side lighting usually performed here.
132 * WM - Windower. Interpolation of vertex attributes performed here.
133 * Fragment shader implemented here. SIMD aspects of EU taken full
134 * advantage of, as pixels are processed in blocks of 16.
136 * CC - Color Calculator. No EU threads associated with this unit.
137 * Handles blending and (presumably) depth and stencil testing.
142 struct brw_vs_prog_key
;
143 struct brw_vue_prog_key
;
144 struct brw_wm_prog_key
;
145 struct brw_wm_prog_data
;
146 struct brw_cs_prog_key
;
147 struct brw_cs_prog_data
;
151 BRW_COMPUTE_PIPELINE
,
158 BRW_CACHE_BLORP_PROG
,
161 BRW_CACHE_FF_GS_PROG
,
172 /* brw_cache_ids must come first - see brw_program_cache.c */
173 BRW_STATE_URB_FENCE
= BRW_MAX_CACHE
,
174 BRW_STATE_FRAGMENT_PROGRAM
,
175 BRW_STATE_GEOMETRY_PROGRAM
,
176 BRW_STATE_TESS_PROGRAMS
,
177 BRW_STATE_VERTEX_PROGRAM
,
178 BRW_STATE_REDUCED_PRIMITIVE
,
179 BRW_STATE_PATCH_PRIMITIVE
,
184 BRW_STATE_BINDING_TABLE_POINTERS
,
187 BRW_STATE_DEFAULT_TESS_LEVELS
,
189 BRW_STATE_INDEX_BUFFER
,
190 BRW_STATE_VS_CONSTBUF
,
191 BRW_STATE_TCS_CONSTBUF
,
192 BRW_STATE_TES_CONSTBUF
,
193 BRW_STATE_GS_CONSTBUF
,
194 BRW_STATE_PROGRAM_CACHE
,
195 BRW_STATE_STATE_BASE_ADDRESS
,
196 BRW_STATE_VUE_MAP_GEOM_OUT
,
197 BRW_STATE_TRANSFORM_FEEDBACK
,
198 BRW_STATE_RASTERIZER_DISCARD
,
200 BRW_STATE_UNIFORM_BUFFER
,
201 BRW_STATE_IMAGE_UNITS
,
202 BRW_STATE_META_IN_PROGRESS
,
203 BRW_STATE_PUSH_CONSTANT_ALLOCATION
,
204 BRW_STATE_NUM_SAMPLES
,
205 BRW_STATE_TEXTURE_BUFFER
,
206 BRW_STATE_GEN4_UNIT_STATE
,
210 BRW_STATE_SAMPLER_STATE_TABLE
,
211 BRW_STATE_VS_ATTRIB_WORKAROUNDS
,
212 BRW_STATE_COMPUTE_PROGRAM
,
213 BRW_STATE_CS_WORK_GROUPS
,
217 BRW_STATE_VIEWPORT_COUNT
,
218 BRW_STATE_CONSERVATIVE_RASTERIZATION
,
225 * BRW_NEW_*_PROG_DATA and BRW_NEW_*_PROGRAM are similar, but distinct.
227 * BRW_NEW_*_PROGRAM relates to the gl_shader_program/gl_program structures.
228 * When the currently bound shader program differs from the previous draw
229 * call, these will be flagged. They cover brw->{stage}_program and
230 * ctx->{Stage}Program->_Current.
232 * BRW_NEW_*_PROG_DATA is flagged when the effective shaders change, from a
233 * driver perspective. Even if the same shader is bound at the API level,
234 * we may need to switch between multiple versions of that shader to handle
235 * changes in non-orthagonal state.
237 * Additionally, multiple shader programs may have identical vertex shaders
238 * (for example), or compile down to the same code in the backend. We combine
239 * those into a single program cache entry.
241 * BRW_NEW_*_PROG_DATA occurs when switching program cache entries, which
242 * covers the brw_*_prog_data structures, and brw->*.prog_offset.
244 #define BRW_NEW_FS_PROG_DATA (1ull << BRW_CACHE_FS_PROG)
245 /* XXX: The BRW_NEW_BLORP_BLIT_PROG_DATA dirty bit is unused (as BLORP doesn't
246 * use the normal state upload paths), but the cache is still used. To avoid
247 * polluting the brw_program_cache code with special cases, we retain the
248 * dirty bit for now. It should eventually be removed.
250 #define BRW_NEW_BLORP_BLIT_PROG_DATA (1ull << BRW_CACHE_BLORP_PROG)
251 #define BRW_NEW_SF_PROG_DATA (1ull << BRW_CACHE_SF_PROG)
252 #define BRW_NEW_VS_PROG_DATA (1ull << BRW_CACHE_VS_PROG)
253 #define BRW_NEW_FF_GS_PROG_DATA (1ull << BRW_CACHE_FF_GS_PROG)
254 #define BRW_NEW_GS_PROG_DATA (1ull << BRW_CACHE_GS_PROG)
255 #define BRW_NEW_TCS_PROG_DATA (1ull << BRW_CACHE_TCS_PROG)
256 #define BRW_NEW_TES_PROG_DATA (1ull << BRW_CACHE_TES_PROG)
257 #define BRW_NEW_CLIP_PROG_DATA (1ull << BRW_CACHE_CLIP_PROG)
258 #define BRW_NEW_CS_PROG_DATA (1ull << BRW_CACHE_CS_PROG)
259 #define BRW_NEW_URB_FENCE (1ull << BRW_STATE_URB_FENCE)
260 #define BRW_NEW_FRAGMENT_PROGRAM (1ull << BRW_STATE_FRAGMENT_PROGRAM)
261 #define BRW_NEW_GEOMETRY_PROGRAM (1ull << BRW_STATE_GEOMETRY_PROGRAM)
262 #define BRW_NEW_TESS_PROGRAMS (1ull << BRW_STATE_TESS_PROGRAMS)
263 #define BRW_NEW_VERTEX_PROGRAM (1ull << BRW_STATE_VERTEX_PROGRAM)
264 #define BRW_NEW_REDUCED_PRIMITIVE (1ull << BRW_STATE_REDUCED_PRIMITIVE)
265 #define BRW_NEW_PATCH_PRIMITIVE (1ull << BRW_STATE_PATCH_PRIMITIVE)
266 #define BRW_NEW_PRIMITIVE (1ull << BRW_STATE_PRIMITIVE)
267 #define BRW_NEW_CONTEXT (1ull << BRW_STATE_CONTEXT)
268 #define BRW_NEW_PSP (1ull << BRW_STATE_PSP)
269 #define BRW_NEW_SURFACES (1ull << BRW_STATE_SURFACES)
270 #define BRW_NEW_BINDING_TABLE_POINTERS (1ull << BRW_STATE_BINDING_TABLE_POINTERS)
271 #define BRW_NEW_INDICES (1ull << BRW_STATE_INDICES)
272 #define BRW_NEW_VERTICES (1ull << BRW_STATE_VERTICES)
273 #define BRW_NEW_DEFAULT_TESS_LEVELS (1ull << BRW_STATE_DEFAULT_TESS_LEVELS)
275 * Used for any batch entry with a relocated pointer that will be used
276 * by any 3D rendering.
278 #define BRW_NEW_BATCH (1ull << BRW_STATE_BATCH)
279 /** \see brw.state.depth_region */
280 #define BRW_NEW_INDEX_BUFFER (1ull << BRW_STATE_INDEX_BUFFER)
281 #define BRW_NEW_VS_CONSTBUF (1ull << BRW_STATE_VS_CONSTBUF)
282 #define BRW_NEW_TCS_CONSTBUF (1ull << BRW_STATE_TCS_CONSTBUF)
283 #define BRW_NEW_TES_CONSTBUF (1ull << BRW_STATE_TES_CONSTBUF)
284 #define BRW_NEW_GS_CONSTBUF (1ull << BRW_STATE_GS_CONSTBUF)
285 #define BRW_NEW_PROGRAM_CACHE (1ull << BRW_STATE_PROGRAM_CACHE)
286 #define BRW_NEW_STATE_BASE_ADDRESS (1ull << BRW_STATE_STATE_BASE_ADDRESS)
287 #define BRW_NEW_VUE_MAP_GEOM_OUT (1ull << BRW_STATE_VUE_MAP_GEOM_OUT)
288 #define BRW_NEW_VIEWPORT_COUNT (1ull << BRW_STATE_VIEWPORT_COUNT)
289 #define BRW_NEW_TRANSFORM_FEEDBACK (1ull << BRW_STATE_TRANSFORM_FEEDBACK)
290 #define BRW_NEW_RASTERIZER_DISCARD (1ull << BRW_STATE_RASTERIZER_DISCARD)
291 #define BRW_NEW_STATS_WM (1ull << BRW_STATE_STATS_WM)
292 #define BRW_NEW_UNIFORM_BUFFER (1ull << BRW_STATE_UNIFORM_BUFFER)
293 #define BRW_NEW_IMAGE_UNITS (1ull << BRW_STATE_IMAGE_UNITS)
294 #define BRW_NEW_META_IN_PROGRESS (1ull << BRW_STATE_META_IN_PROGRESS)
295 #define BRW_NEW_PUSH_CONSTANT_ALLOCATION (1ull << BRW_STATE_PUSH_CONSTANT_ALLOCATION)
296 #define BRW_NEW_NUM_SAMPLES (1ull << BRW_STATE_NUM_SAMPLES)
297 #define BRW_NEW_TEXTURE_BUFFER (1ull << BRW_STATE_TEXTURE_BUFFER)
298 #define BRW_NEW_GEN4_UNIT_STATE (1ull << BRW_STATE_GEN4_UNIT_STATE)
299 #define BRW_NEW_CC_VP (1ull << BRW_STATE_CC_VP)
300 #define BRW_NEW_SF_VP (1ull << BRW_STATE_SF_VP)
301 #define BRW_NEW_CLIP_VP (1ull << BRW_STATE_CLIP_VP)
302 #define BRW_NEW_SAMPLER_STATE_TABLE (1ull << BRW_STATE_SAMPLER_STATE_TABLE)
303 #define BRW_NEW_VS_ATTRIB_WORKAROUNDS (1ull << BRW_STATE_VS_ATTRIB_WORKAROUNDS)
304 #define BRW_NEW_COMPUTE_PROGRAM (1ull << BRW_STATE_COMPUTE_PROGRAM)
305 #define BRW_NEW_CS_WORK_GROUPS (1ull << BRW_STATE_CS_WORK_GROUPS)
306 #define BRW_NEW_URB_SIZE (1ull << BRW_STATE_URB_SIZE)
307 #define BRW_NEW_CC_STATE (1ull << BRW_STATE_CC_STATE)
308 #define BRW_NEW_BLORP (1ull << BRW_STATE_BLORP)
309 #define BRW_NEW_CONSERVATIVE_RASTERIZATION (1ull << BRW_STATE_CONSERVATIVE_RASTERIZATION)
310 #define BRW_NEW_DRAW_CALL (1ull << BRW_STATE_DRAW_CALL)
311 #define BRW_NEW_AUX_STATE (1ull << BRW_STATE_AUX)
313 struct brw_state_flags
{
314 /** State update flags signalled by mesa internals */
317 * State update flags signalled as the result of brw_tracked_state updates
323 /** Subclass of Mesa program */
325 struct gl_program program
;
332 struct brw_ff_gs_prog_data
{
333 GLuint urb_read_length
;
337 * Gen6 transform feedback: Amount by which the streaming vertex buffer
338 * indices should be incremented each time the GS is invoked.
340 unsigned svbi_postincrement_value
;
343 /** Number of texture sampler units */
344 #define BRW_MAX_TEX_UNIT 32
346 /** Max number of UBOs in a shader */
347 #define BRW_MAX_UBO 14
349 /** Max number of SSBOs in a shader */
350 #define BRW_MAX_SSBO 12
352 /** Max number of atomic counter buffer objects in a shader */
353 #define BRW_MAX_ABO 16
355 /** Max number of image uniforms in a shader */
356 #define BRW_MAX_IMAGES 32
358 /** Maximum number of actual buffers used for stream output */
359 #define BRW_MAX_SOL_BUFFERS 4
361 #define BRW_MAX_SURFACES (BRW_MAX_DRAW_BUFFERS + \
362 BRW_MAX_TEX_UNIT * 2 + /* normal, gather */ \
367 2 + /* shader time, pull constants */ \
368 1 /* cs num work groups */)
371 struct brw_context
*brw
;
373 struct brw_cache_item
**items
;
376 GLuint size
, n_items
;
378 uint32_t next_offset
;
381 #define perf_debug(...) do { \
382 static GLuint msg_id = 0; \
383 if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
384 dbg_printf(__VA_ARGS__); \
385 if (brw->perf_debug) \
386 _mesa_gl_debug(&brw->ctx, &msg_id, \
387 MESA_DEBUG_SOURCE_API, \
388 MESA_DEBUG_TYPE_PERFORMANCE, \
389 MESA_DEBUG_SEVERITY_MEDIUM, \
393 #define WARN_ONCE(cond, fmt...) do { \
394 if (unlikely(cond)) { \
395 static bool _warned = false; \
396 static GLuint msg_id = 0; \
398 fprintf(stderr, "WARNING: "); \
399 fprintf(stderr, fmt); \
402 _mesa_gl_debug(ctx, &msg_id, \
403 MESA_DEBUG_SOURCE_API, \
404 MESA_DEBUG_TYPE_OTHER, \
405 MESA_DEBUG_SEVERITY_HIGH, fmt); \
410 /* Considered adding a member to this struct to document which flags
411 * an update might raise so that ordering of the state atoms can be
412 * checked or derived at runtime. Dropped the idea in favor of having
413 * a debug mode where the state is monitored for flags which are
414 * raised that have already been tested against.
416 struct brw_tracked_state
{
417 struct brw_state_flags dirty
;
418 void (*emit
)( struct brw_context
*brw
);
421 enum shader_time_shader_type
{
433 struct brw_vertex_buffer
{
434 /** Buffer object containing the uploaded vertex data */
438 /** Byte stride between elements in the uploaded array */
442 struct brw_vertex_element
{
443 const struct gl_array_attributes
*glattrib
;
444 const struct gl_vertex_buffer_binding
*glbinding
;
448 /** Offset of the first element within the buffer object */
452 struct brw_query_object
{
453 struct gl_query_object Base
;
455 /** Last query BO associated with this query. */
458 /** Last index in bo with query data for this object. */
461 /** True if we know the batch has been flushed since we ended the query. */
465 struct brw_reloc_list
{
466 struct drm_i915_gem_relocation_entry
*relocs
;
468 int reloc_array_size
;
471 struct brw_growing_bo
{
474 struct brw_bo
*partial_bo
;
475 uint32_t *partial_bo_map
;
476 unsigned partial_bytes
;
477 enum brw_memory_zone memzone
;
480 struct intel_batchbuffer
{
481 /** Current batchbuffer being queued up. */
482 struct brw_growing_bo batch
;
483 /** Current statebuffer being queued up. */
484 struct brw_growing_bo state
;
486 /** Last batchbuffer submitted to the hardware. Used for glFinish(). */
487 struct brw_bo
*last_bo
;
490 uint16_t emit
, total
;
495 bool use_shadow_copy
;
496 bool use_batch_first
;
497 bool needs_sol_reset
;
498 bool state_base_address_emitted
;
501 struct brw_reloc_list batch_relocs
;
502 struct brw_reloc_list state_relocs
;
503 unsigned int valid_reloc_flags
;
505 /** The validation list */
506 struct drm_i915_gem_exec_object2
*validation_list
;
507 struct brw_bo
**exec_bos
;
511 /** The amount of aperture space (in bytes) used by all exec_bos */
516 int batch_reloc_count
;
517 int state_reloc_count
;
521 /** Map from batch offset to brw_state_batch data (with DEBUG_BATCH) */
522 struct hash_table
*state_batch_sizes
;
524 struct gen_batch_decode_ctx decoder
;
527 #define BRW_MAX_XFB_STREAMS 4
529 struct brw_transform_feedback_counter
{
531 * Index of the first entry of this counter within the primitive count BO.
532 * An entry is considered to be an N-tuple of 64bit values, where N is the
533 * number of vertex streams supported by the platform.
538 * Index one past the last entry of this counter within the primitive
544 * Primitive count values accumulated while this counter was active,
545 * excluding any entries buffered between \c bo_start and \c bo_end, which
546 * haven't been accounted for yet.
548 uint64_t accum
[BRW_MAX_XFB_STREAMS
];
552 brw_reset_transform_feedback_counter(
553 struct brw_transform_feedback_counter
*counter
)
555 counter
->bo_start
= counter
->bo_end
;
556 memset(&counter
->accum
, 0, sizeof(counter
->accum
));
559 struct brw_transform_feedback_object
{
560 struct gl_transform_feedback_object base
;
562 /** A buffer to hold SO_WRITE_OFFSET(n) values while paused. */
563 struct brw_bo
*offset_bo
;
565 /** If true, SO_WRITE_OFFSET(n) should be reset to zero at next use. */
568 /** The most recent primitive mode (GL_TRIANGLES/GL_POINTS/GL_LINES). */
569 GLenum primitive_mode
;
572 * The maximum number of vertices that we can write without overflowing
573 * any of the buffers currently being used for transform feedback.
577 struct brw_bo
*prim_count_bo
;
580 * Count of primitives generated during this transform feedback operation.
582 struct brw_transform_feedback_counter counter
;
585 * Count of primitives generated during the previous transform feedback
586 * operation. Used to implement DrawTransformFeedback().
588 struct brw_transform_feedback_counter previous_counter
;
591 * Number of vertices written between last Begin/EndTransformFeedback().
593 * Used to implement DrawTransformFeedback().
595 uint64_t vertices_written
[BRW_MAX_XFB_STREAMS
];
596 bool vertices_written_valid
;
600 * Data shared between each programmable stage in the pipeline (vs, gs, and
603 struct brw_stage_state
605 gl_shader_stage stage
;
606 struct brw_stage_prog_data
*prog_data
;
609 * Optional scratch buffer used to store spilled register values and
610 * variably-indexed GRF arrays.
612 * The contents of this buffer are short-lived so the same memory can be
613 * re-used at will for multiple shader programs (executed by the same fixed
614 * function). However reusing a scratch BO for which shader invocations
615 * are still in flight with a per-thread scratch slot size other than the
616 * original can cause threads with different scratch slot size and FFTID
617 * (which may be executed in parallel depending on the shader stage and
618 * hardware generation) to map to an overlapping region of the scratch
619 * space, which can potentially lead to mutual scratch space corruption.
620 * For that reason if you borrow this scratch buffer you should only be
621 * using the slot size given by the \c per_thread_scratch member below,
622 * unless you're taking additional measures to synchronize thread execution
623 * across slot size changes.
625 struct brw_bo
*scratch_bo
;
628 * Scratch slot size allocated for each thread in the buffer object given
631 uint32_t per_thread_scratch
;
633 /** Offset in the program cache to the program */
634 uint32_t prog_offset
;
636 /** Offset in the batchbuffer to Gen4-5 pipelined state (VS/WM/GS_STATE). */
637 uint32_t state_offset
;
639 struct brw_bo
*push_const_bo
; /* NULL if using the batchbuffer */
640 uint32_t push_const_offset
; /* Offset in the push constant BO or batch */
641 int push_const_size
; /* in 256-bit register increments */
643 /* Binding table: pointers to SURFACE_STATE entries. */
644 uint32_t bind_bo_offset
;
645 uint32_t surf_offset
[BRW_MAX_SURFACES
];
647 /** SAMPLER_STATE count and table offset */
648 uint32_t sampler_count
;
649 uint32_t sampler_offset
;
651 struct brw_image_param image_param
[BRW_MAX_IMAGES
];
653 /** Need to re-emit 3DSTATE_CONSTANT_XS? */
654 bool push_constants_dirty
;
657 enum brw_predicate_state
{
658 /* The first two states are used if we can determine whether to draw
659 * without having to look at the values in the query object buffer. This
660 * will happen if there is no conditional render in progress, if the query
661 * object is already completed or if something else has already added
662 * samples to the preliminary result such as via a BLT command.
664 BRW_PREDICATE_STATE_RENDER
,
665 BRW_PREDICATE_STATE_DONT_RENDER
,
666 /* In this case whether to draw or not depends on the result of an
667 * MI_PREDICATE command so the predicate enable bit needs to be checked.
669 BRW_PREDICATE_STATE_USE_BIT
,
670 /* In this case, either MI_PREDICATE doesn't exist or we lack the
671 * necessary kernel features to use it. Stall for the query result.
673 BRW_PREDICATE_STATE_STALL_FOR_QUERY
,
678 struct gen_l3_config
;
680 enum brw_query_kind
{
686 struct brw_perf_query_register_prog
{
691 struct brw_perf_query_info
693 enum brw_query_kind kind
;
696 struct brw_perf_query_counter
*counters
;
701 uint64_t oa_metrics_set_id
;
704 /* For indexing into the accumulator[] ... */
706 int gpu_clock_offset
;
711 /* Register programming for a given query */
712 struct brw_perf_query_register_prog
*flex_regs
;
713 uint32_t n_flex_regs
;
715 struct brw_perf_query_register_prog
*mux_regs
;
718 struct brw_perf_query_register_prog
*b_counter_regs
;
719 uint32_t n_b_counter_regs
;
722 struct brw_uploader
{
723 struct brw_bufmgr
*bufmgr
;
726 uint32_t next_offset
;
727 unsigned default_size
;
731 * brw_context is derived from gl_context.
735 struct gl_context ctx
; /**< base class, must be first field */
740 * Emit an MI_REPORT_PERF_COUNT command packet.
742 * This asks the GPU to write a report of the current OA counter values
743 * into @bo at the given offset and containing the given @report_id
744 * which we can cross-reference when parsing the report (gen7+ only).
746 void (*emit_mi_report_perf_count
)(struct brw_context
*brw
,
748 uint32_t offset_in_bytes
,
752 struct brw_bufmgr
*bufmgr
;
756 /** BO for post-sync nonzero writes for gen6 workaround. */
757 struct brw_bo
*workaround_bo
;
758 uint8_t pipe_controls_since_last_cs_stall
;
761 * Set of struct brw_bo * that have been rendered to within this batchbuffer
762 * and would need flushing before being used from another cache domain that
763 * isn't coherent with it (i.e. the sampler).
765 struct hash_table
*render_cache
;
768 * Set of struct brw_bo * that have been used as a depth buffer within this
769 * batchbuffer and would need flushing before being used from another cache
770 * domain that isn't coherent with it (i.e. the sampler).
772 struct set
*depth_cache
;
775 * Number of resets observed in the system at context creation.
777 * This is tracked in the context so that we can determine that another
778 * reset has occurred.
780 uint32_t reset_count
;
782 struct intel_batchbuffer batch
;
784 struct brw_uploader upload
;
787 * Set if rendering has occurred to the drawable's front buffer.
789 * This is used in the DRI2 case to detect that glFlush should also copy
790 * the contents of the fake front buffer to the real front buffer.
792 bool front_buffer_dirty
;
794 /** Framerate throttling: @{ */
795 struct brw_bo
*throttle_batch
[2];
797 /* Limit the number of outstanding SwapBuffers by waiting for an earlier
798 * frame of rendering to complete. This gives a very precise cap to the
799 * latency between input and output such that rendering never gets more
800 * than a frame behind the user. (With the caveat that we technically are
801 * not using the SwapBuffers itself as a barrier but the first batch
802 * submitted afterwards, which may be immediately prior to the next
805 bool need_swap_throttle
;
807 /** General throttling, not caught by throttling between SwapBuffers */
808 bool need_flush_throttle
;
817 bool always_flush_batch
;
818 bool always_flush_cache
;
819 bool disable_throttling
;
821 bool dual_color_blend_by_location
;
823 driOptionCache optionCache
;
826 GLuint primitive
; /**< Hardware primitive, such as _3DPRIM_TRILIST. */
828 GLenum reduced_primitive
;
831 * Set if we're either a debug context or the INTEL_DEBUG=perf environment
832 * variable is set, this is the flag indicating to do expensive work that
833 * might lead to a perf_debug() call.
837 uint64_t max_gtt_map_object_size
;
840 bool has_separate_stencil
;
843 /** Derived stencil states. */
844 bool stencil_enabled
;
845 bool stencil_two_sided
;
846 bool stencil_write_enabled
;
847 /** Derived polygon state. */
848 bool polygon_front_bit
; /**< 0=GL_CCW, 1=GL_CW */
850 struct isl_device isl_dev
;
852 struct blorp_context blorp
;
856 struct brw_state_flags pipelines
[BRW_NUM_PIPELINES
];
859 enum brw_pipeline last_pipeline
;
861 struct brw_cache cache
;
863 /* Whether a meta-operation is in progress. */
864 bool meta_in_progress
;
866 /* Whether the last depth/stencil packets were both NULL. */
867 bool no_depth_or_stencil
;
869 /* The last PMA stall bits programmed. */
870 uint32_t pma_stall_bits
;
875 * Either the value of gl_BaseVertex for indexed draw calls or the
876 * value of the argument <first> for non-indexed draw calls for the
877 * current _mesa_prim.
881 /** The value of gl_BaseInstance for the current _mesa_prim. */
886 * Buffer and offset used for GL_ARB_shader_draw_parameters which will
887 * point to the indirect buffer for indirect draw calls.
889 struct brw_bo
*draw_params_bo
;
890 uint32_t draw_params_offset
;
894 * The value of gl_DrawID for the current _mesa_prim. This always comes
895 * in from it's own vertex buffer since it's not part of the indirect
901 * Stores if the current _mesa_prim is an indexed or non-indexed draw
902 * (~0/0). Useful to calculate gl_BaseVertex as an AND of firstvertex
903 * and is_indexed_draw.
909 * Buffer and offset used for GL_ARB_shader_draw_parameters which contains
910 * parameters that are not present in the indirect buffer. They will go in
911 * their own vertex element.
913 struct brw_bo
*derived_draw_params_bo
;
914 uint32_t derived_draw_params_offset
;
917 * Pointer to the the buffer storing the indirect draw parameters. It
918 * currently only stores the number of requested draw calls but more
919 * parameters could potentially be added.
921 struct brw_bo
*draw_params_count_bo
;
922 uint32_t draw_params_count_offset
;
927 * For gl_NumWorkGroups: If num_work_groups_bo is non NULL, then it is
928 * an indirect call, and num_work_groups_offset is valid. Otherwise,
929 * num_work_groups is set based on glDispatchCompute.
931 struct brw_bo
*num_work_groups_bo
;
932 GLintptr num_work_groups_offset
;
933 const GLuint
*num_work_groups
;
937 struct brw_vertex_element inputs
[VERT_ATTRIB_MAX
];
938 struct brw_vertex_buffer buffers
[VERT_ATTRIB_MAX
];
940 struct brw_vertex_element
*enabled
[VERT_ATTRIB_MAX
];
944 /* Summary of size and varying of active arrays, so we can check
945 * for changes to this state:
947 bool index_bounds_valid
;
948 unsigned int min_index
, max_index
;
950 /* Offset from start of vertex buffer so we can avoid redefining
951 * the same VB packed over and over again.
953 unsigned int start_vertex_bias
;
956 * Certain vertex attribute formats aren't natively handled by the
957 * hardware and require special VS code to fix up their values.
959 * These bitfields indicate which workarounds are needed.
961 uint8_t attrib_wa_flags
[VERT_ATTRIB_MAX
];
963 /* High bits of the last seen vertex buffer address (for workarounds). */
964 uint16_t last_bo_high_bits
[33];
969 * Index buffer for this draw_prims call.
971 * Updates are signaled by BRW_NEW_INDICES.
973 const struct _mesa_index_buffer
*ib
;
975 /* Updates are signaled by BRW_NEW_INDEX_BUFFER. */
980 /* Offset to index buffer index to use in CMD_3D_PRIM so that we can
981 * avoid re-uploading the IB packet over and over if we're actually
982 * referencing the same index buffer.
984 unsigned int start_vertex_offset
;
986 /* High bits of the last seen index buffer address (for workarounds). */
987 uint16_t last_bo_high_bits
;
990 /* Active vertex program:
992 struct gl_program
*programs
[MESA_SHADER_STAGES
];
995 * Number of samples in ctx->DrawBuffer, updated by BRW_NEW_NUM_SAMPLES so
996 * that we don't have to reemit that state every time we change FBOs.
998 unsigned int num_samples
;
1000 /* BRW_NEW_URB_ALLOCATIONS:
1003 GLuint vsize
; /* vertex size plus header in urb registers */
1004 GLuint gsize
; /* GS output size in urb registers */
1005 GLuint hsize
; /* Tessellation control output size in urb registers */
1006 GLuint dsize
; /* Tessellation evaluation output size in urb registers */
1007 GLuint csize
; /* constant buffer size in urb registers */
1008 GLuint sfsize
; /* setup data size in urb registers */
1012 GLuint nr_vs_entries
;
1013 GLuint nr_hs_entries
;
1014 GLuint nr_ds_entries
;
1015 GLuint nr_gs_entries
;
1016 GLuint nr_clip_entries
;
1017 GLuint nr_sf_entries
;
1018 GLuint nr_cs_entries
;
1028 * URB size in the current configuration. The units this is expressed
1029 * in are somewhat inconsistent, see gen_device_info::urb::size.
1031 * FINISHME: Represent the URB size consistently in KB on all platforms.
1035 /* True if the most recently sent _3DSTATE_URB message allocated
1036 * URB space for the GS.
1040 /* True if the most recently sent _3DSTATE_URB message allocated
1041 * URB space for the HS and DS.
1047 /* BRW_NEW_PUSH_CONSTANT_ALLOCATION */
1049 GLuint wm_start
; /**< pos of first wm const in CURBE buffer */
1050 GLuint wm_size
; /**< number of float[4] consts, multiple of 16 */
1058 * Pointer to the (intel_upload.c-generated) BO containing the uniforms
1059 * for upload to the CURBE.
1061 struct brw_bo
*curbe_bo
;
1062 /** Offset within curbe_bo of space for current curbe entry */
1063 GLuint curbe_offset
;
1067 * Layout of vertex data exiting the geometry portion of the pipleine.
1068 * This comes from the last enabled shader stage (GS, DS, or VS).
1070 * BRW_NEW_VUE_MAP_GEOM_OUT is flagged when the VUE map changes.
1072 struct brw_vue_map vue_map_geom_out
;
1075 struct brw_stage_state base
;
1079 struct brw_stage_state base
;
1083 struct brw_stage_state base
;
1087 struct brw_stage_state base
;
1090 * True if the 3DSTATE_GS command most recently emitted to the 3D
1091 * pipeline enabled the GS; false otherwise.
1097 struct brw_ff_gs_prog_data
*prog_data
;
1100 /** Offset in the program cache to the CLIP program pre-gen6 */
1101 uint32_t prog_offset
;
1102 uint32_t state_offset
;
1104 uint32_t bind_bo_offset
;
1106 * Surface offsets for the binding table. We only need surfaces to
1107 * implement transform feedback so BRW_MAX_SOL_BINDINGS is all that we
1108 * need in this case.
1110 uint32_t surf_offset
[BRW_MAX_SOL_BINDINGS
];
1114 struct brw_clip_prog_data
*prog_data
;
1116 /** Offset in the program cache to the CLIP program pre-gen6 */
1117 uint32_t prog_offset
;
1119 /* Offset in the batch to the CLIP state on pre-gen6. */
1120 uint32_t state_offset
;
1122 /* As of gen6, this is the offset in the batch to the CLIP VP,
1128 * The number of viewports to use. If gl_ViewportIndex is written,
1129 * we can have up to ctx->Const.MaxViewports viewports. If not,
1130 * the viewport index is always 0, so we can only emit one.
1132 uint8_t viewport_count
;
1137 struct brw_sf_prog_data
*prog_data
;
1139 /** Offset in the program cache to the CLIP program pre-gen6 */
1140 uint32_t prog_offset
;
1141 uint32_t state_offset
;
1146 struct brw_stage_state base
;
1149 * Buffer object used in place of multisampled null render targets on
1150 * Gen6. See brw_emit_null_surface_state().
1152 struct brw_bo
*multisampled_null_render_target_bo
;
1158 struct brw_stage_state base
;
1162 uint32_t state_offset
;
1163 uint32_t blend_state_offset
;
1164 uint32_t depth_stencil_state_offset
;
1169 struct brw_query_object
*obj
;
1174 enum brw_predicate_state state
;
1179 /* Variables referenced in the XML meta data for OA performance
1180 * counters, e.g in the normalization equations.
1182 * All uint64_t for consistent operand types in generated code
1185 uint64_t timestamp_frequency
; /** $GpuTimestampFrequency */
1186 uint64_t n_eus
; /** $EuCoresTotalCount */
1187 uint64_t n_eu_slices
; /** $EuSlicesTotalCount */
1188 uint64_t n_eu_sub_slices
; /** $EuSubslicesTotalCount */
1189 uint64_t eu_threads_count
; /** $EuThreadsCount */
1190 uint64_t slice_mask
; /** $SliceMask */
1191 uint64_t subslice_mask
; /** $SubsliceMask */
1192 uint64_t gt_min_freq
; /** $GpuMinFrequency */
1193 uint64_t gt_max_freq
; /** $GpuMaxFrequency */
1194 uint64_t revision
; /** $SkuRevisionId */
1197 /* OA metric sets, indexed by GUID, as know by Mesa at build time,
1198 * to cross-reference with the GUIDs of configs advertised by the
1201 struct hash_table
*oa_metrics_table
;
1203 /* Location of the device's sysfs entry. */
1204 char sysfs_dev_dir
[256];
1206 struct brw_perf_query_info
*queries
;
1209 /* The i915 perf stream we open to setup + enable the OA counters */
1212 /* An i915 perf stream fd gives exclusive access to the OA unit that will
1213 * report counter snapshots for a specific counter set/profile in a
1214 * specific layout/format so we can only start OA queries that are
1215 * compatible with the currently open fd...
1217 int current_oa_metrics_set_id
;
1218 int current_oa_format
;
1220 /* List of buffers containing OA reports */
1221 struct exec_list sample_buffers
;
1223 /* Cached list of empty sample buffers */
1224 struct exec_list free_sample_buffers
;
1226 int n_active_oa_queries
;
1227 int n_active_pipeline_stats_queries
;
1229 /* The number of queries depending on running OA counters which
1230 * extends beyond brw_end_perf_query() since we need to wait until
1231 * the last MI_RPC command has parsed by the GPU.
1233 * Accurate accounting is important here as emitting an
1234 * MI_REPORT_PERF_COUNT command while the OA unit is disabled will
1235 * effectively hang the gpu.
1239 /* To help catch an spurious problem with the hardware or perf
1240 * forwarding samples, we emit each MI_REPORT_PERF_COUNT command
1241 * with a unique ID that we can explicitly check for...
1243 int next_query_start_report_id
;
1246 * An array of queries whose results haven't yet been assembled
1247 * based on the data in buffer objects.
1249 * These may be active, or have already ended. However, the
1250 * results have not been requested.
1252 struct brw_perf_query_object
**unaccumulated
;
1253 int unaccumulated_elements
;
1254 int unaccumulated_array_size
;
1256 /* The total number of query objects so we can relinquish
1257 * our exclusive access to perf if the application deletes
1258 * all of its objects. (NB: We only disable perf while
1259 * there are no active queries)
1261 int n_query_instances
;
1264 int num_atoms
[BRW_NUM_PIPELINES
];
1265 const struct brw_tracked_state render_atoms
[76];
1266 const struct brw_tracked_state compute_atoms
[11];
1268 const enum isl_format
*mesa_to_isl_render_format
;
1269 const bool *mesa_format_supports_render
;
1271 /* PrimitiveRestart */
1274 bool enable_cut_index
;
1277 /** Computed depth/stencil/hiz state from the current attached
1278 * renderbuffers, valid only during the drawing state upload loop after
1279 * brw_workaround_depthstencil_alignment().
1282 /* Inter-tile (page-aligned) byte offsets. */
1283 uint32_t depth_offset
;
1284 /* Intra-tile x,y offsets for drawing to combined depth-stencil. Only
1287 uint32_t tile_x
, tile_y
;
1290 uint32_t num_instances
;
1295 const struct gen_l3_config
*config
;
1302 enum shader_time_shader_type
*types
;
1303 struct shader_times
*cumulative
;
1309 struct brw_fast_clear_state
*fast_clear_state
;
1311 /* Array of aux usages to use for drawing. Aux usage for render targets is
1312 * a bit more complex than simply calling a single function so we need some
1313 * way of passing it form brw_draw.c to surface state setup.
1315 enum isl_aux_usage draw_aux_usage
[MAX_DRAW_BUFFERS
];
1317 __DRIcontext
*driContext
;
1318 struct intel_screen
*screen
;
1322 extern void intelInitClearFuncs(struct dd_function_table
*functions
);
1324 /*======================================================================
1327 extern const char *const brw_vendor_string
;
1330 brw_get_renderer_string(const struct intel_screen
*screen
);
1333 DRI_CONF_BO_REUSE_DISABLED
,
1334 DRI_CONF_BO_REUSE_ALL
1337 void intel_update_renderbuffers(__DRIcontext
*context
,
1338 __DRIdrawable
*drawable
);
1339 void intel_prepare_render(struct brw_context
*brw
);
1341 void brw_predraw_resolve_inputs(struct brw_context
*brw
, bool rendering
,
1342 bool *draw_aux_buffer_disabled
);
1344 void intel_resolve_for_dri2_flush(struct brw_context
*brw
,
1345 __DRIdrawable
*drawable
);
1347 GLboolean
brwCreateContext(gl_api api
,
1348 const struct gl_config
*mesaVis
,
1349 __DRIcontext
*driContextPriv
,
1350 const struct __DriverContextConfig
*ctx_config
,
1352 void *sharedContextPrivate
);
1354 /*======================================================================
1358 brw_meta_resolve_color(struct brw_context
*brw
,
1359 struct intel_mipmap_tree
*mt
);
1361 /*======================================================================
1364 void brw_workaround_depthstencil_alignment(struct brw_context
*brw
,
1365 GLbitfield clear_mask
);
1367 /* brw_object_purgeable.c */
1368 void brw_init_object_purgeable_functions(struct dd_function_table
*functions
);
1370 /*======================================================================
1373 void brw_init_common_queryobj_functions(struct dd_function_table
*functions
);
1374 void gen4_init_queryobj_functions(struct dd_function_table
*functions
);
1375 void brw_emit_query_begin(struct brw_context
*brw
);
1376 void brw_emit_query_end(struct brw_context
*brw
);
1377 void brw_query_counter(struct gl_context
*ctx
, struct gl_query_object
*q
);
1378 bool brw_is_query_pipelined(struct brw_query_object
*query
);
1379 uint64_t brw_timebase_scale(struct brw_context
*brw
, uint64_t gpu_timestamp
);
1380 uint64_t brw_raw_timestamp_delta(struct brw_context
*brw
,
1381 uint64_t time0
, uint64_t time1
);
1383 /** gen6_queryobj.c */
1384 void gen6_init_queryobj_functions(struct dd_function_table
*functions
);
1385 void brw_write_timestamp(struct brw_context
*brw
, struct brw_bo
*bo
, int idx
);
1386 void brw_write_depth_count(struct brw_context
*brw
, struct brw_bo
*bo
, int idx
);
1388 /** hsw_queryobj.c */
1389 void hsw_overflow_result_to_gpr0(struct brw_context
*brw
,
1390 struct brw_query_object
*query
,
1392 void hsw_init_queryobj_functions(struct dd_function_table
*functions
);
1394 /** brw_conditional_render.c */
1395 void brw_init_conditional_render_functions(struct dd_function_table
*functions
);
1396 bool brw_check_conditional_render(struct brw_context
*brw
);
1398 /** intel_batchbuffer.c */
1399 void brw_load_register_mem(struct brw_context
*brw
,
1403 void brw_load_register_mem64(struct brw_context
*brw
,
1407 void brw_store_register_mem32(struct brw_context
*brw
,
1408 struct brw_bo
*bo
, uint32_t reg
, uint32_t offset
);
1409 void brw_store_register_mem64(struct brw_context
*brw
,
1410 struct brw_bo
*bo
, uint32_t reg
, uint32_t offset
);
1411 void brw_load_register_imm32(struct brw_context
*brw
,
1412 uint32_t reg
, uint32_t imm
);
1413 void brw_load_register_imm64(struct brw_context
*brw
,
1414 uint32_t reg
, uint64_t imm
);
1415 void brw_load_register_reg(struct brw_context
*brw
, uint32_t src
,
1417 void brw_load_register_reg64(struct brw_context
*brw
, uint32_t src
,
1419 void brw_store_data_imm32(struct brw_context
*brw
, struct brw_bo
*bo
,
1420 uint32_t offset
, uint32_t imm
);
1421 void brw_store_data_imm64(struct brw_context
*brw
, struct brw_bo
*bo
,
1422 uint32_t offset
, uint64_t imm
);
1424 /*======================================================================
1425 * intel_tex_validate.c
1427 void brw_validate_textures( struct brw_context
*brw
);
1430 /*======================================================================
1434 key_debug(struct brw_context
*brw
, const char *name
, int a
, int b
)
1437 perf_debug(" %s %d->%d\n", name
, a
, b
);
1443 void brwInitFragProgFuncs( struct dd_function_table
*functions
);
1445 void brw_get_scratch_bo(struct brw_context
*brw
,
1446 struct brw_bo
**scratch_bo
, int size
);
1447 void brw_alloc_stage_scratch(struct brw_context
*brw
,
1448 struct brw_stage_state
*stage_state
,
1449 unsigned per_thread_size
);
1450 void brw_init_shader_time(struct brw_context
*brw
);
1451 int brw_get_shader_time_index(struct brw_context
*brw
,
1452 struct gl_program
*prog
,
1453 enum shader_time_shader_type type
,
1455 void brw_collect_and_report_shader_time(struct brw_context
*brw
);
1456 void brw_destroy_shader_time(struct brw_context
*brw
);
1460 void brw_calculate_urb_fence(struct brw_context
*brw
, unsigned csize
,
1461 unsigned vsize
, unsigned sfsize
);
1462 void brw_upload_urb_fence(struct brw_context
*brw
);
1466 void brw_upload_cs_urb_state(struct brw_context
*brw
);
1469 gl_clip_plane
*brw_select_clip_planes(struct gl_context
*ctx
);
1471 /* brw_draw_upload.c */
1472 unsigned brw_get_vertex_surface_type(struct brw_context
*brw
,
1473 const struct gl_array_attributes
*glattr
);
1475 static inline unsigned
1476 brw_get_index_type(unsigned index_size
)
1478 /* The hw needs 0x00, 0x01, and 0x02 for ubyte, ushort, and uint,
1481 return index_size
>> 1;
1484 void brw_prepare_vertices(struct brw_context
*brw
);
1486 /* brw_wm_surface_state.c */
1487 void brw_update_buffer_texture_surface(struct gl_context
*ctx
,
1489 uint32_t *surf_offset
);
1491 brw_update_sol_surface(struct brw_context
*brw
,
1492 struct gl_buffer_object
*buffer_obj
,
1493 uint32_t *out_offset
, unsigned num_vector_components
,
1494 unsigned stride_dwords
, unsigned offset_dwords
);
1495 void brw_upload_ubo_surfaces(struct brw_context
*brw
, struct gl_program
*prog
,
1496 struct brw_stage_state
*stage_state
,
1497 struct brw_stage_prog_data
*prog_data
);
1498 void brw_upload_image_surfaces(struct brw_context
*brw
,
1499 const struct gl_program
*prog
,
1500 struct brw_stage_state
*stage_state
,
1501 struct brw_stage_prog_data
*prog_data
);
1503 /* brw_surface_formats.c */
1504 void intel_screen_init_surface_formats(struct intel_screen
*screen
);
1505 void brw_init_surface_formats(struct brw_context
*brw
);
1506 bool brw_render_target_supported(struct brw_context
*brw
,
1507 struct gl_renderbuffer
*rb
);
1508 uint32_t brw_depth_format(struct brw_context
*brw
, mesa_format format
);
1510 /* brw_performance_query.c */
1511 void brw_init_performance_queries(struct brw_context
*brw
);
1513 /* intel_extensions.c */
1514 extern void intelInitExtensions(struct gl_context
*ctx
);
1517 extern int intel_translate_shadow_compare_func(GLenum func
);
1518 extern int intel_translate_compare_func(GLenum func
);
1519 extern int intel_translate_stencil_op(GLenum op
);
1522 void brw_init_syncobj_functions(struct dd_function_table
*functions
);
1525 struct gl_transform_feedback_object
*
1526 brw_new_transform_feedback(struct gl_context
*ctx
, GLuint name
);
1528 brw_delete_transform_feedback(struct gl_context
*ctx
,
1529 struct gl_transform_feedback_object
*obj
);
1531 brw_begin_transform_feedback(struct gl_context
*ctx
, GLenum mode
,
1532 struct gl_transform_feedback_object
*obj
);
1534 brw_end_transform_feedback(struct gl_context
*ctx
,
1535 struct gl_transform_feedback_object
*obj
);
1537 brw_pause_transform_feedback(struct gl_context
*ctx
,
1538 struct gl_transform_feedback_object
*obj
);
1540 brw_resume_transform_feedback(struct gl_context
*ctx
,
1541 struct gl_transform_feedback_object
*obj
);
1543 brw_save_primitives_written_counters(struct brw_context
*brw
,
1544 struct brw_transform_feedback_object
*obj
);
1546 brw_get_transform_feedback_vertex_count(struct gl_context
*ctx
,
1547 struct gl_transform_feedback_object
*obj
,
1550 /* gen7_sol_state.c */
1552 gen7_begin_transform_feedback(struct gl_context
*ctx
, GLenum mode
,
1553 struct gl_transform_feedback_object
*obj
);
1555 gen7_end_transform_feedback(struct gl_context
*ctx
,
1556 struct gl_transform_feedback_object
*obj
);
1558 gen7_pause_transform_feedback(struct gl_context
*ctx
,
1559 struct gl_transform_feedback_object
*obj
);
1561 gen7_resume_transform_feedback(struct gl_context
*ctx
,
1562 struct gl_transform_feedback_object
*obj
);
1566 hsw_begin_transform_feedback(struct gl_context
*ctx
, GLenum mode
,
1567 struct gl_transform_feedback_object
*obj
);
1569 hsw_end_transform_feedback(struct gl_context
*ctx
,
1570 struct gl_transform_feedback_object
*obj
);
1572 hsw_pause_transform_feedback(struct gl_context
*ctx
,
1573 struct gl_transform_feedback_object
*obj
);
1575 hsw_resume_transform_feedback(struct gl_context
*ctx
,
1576 struct gl_transform_feedback_object
*obj
);
1578 /* brw_blorp_blit.cpp */
1580 brw_blorp_framebuffer(struct brw_context
*brw
,
1581 struct gl_framebuffer
*readFb
,
1582 struct gl_framebuffer
*drawFb
,
1583 GLint srcX0
, GLint srcY0
, GLint srcX1
, GLint srcY1
,
1584 GLint dstX0
, GLint dstY0
, GLint dstX1
, GLint dstY1
,
1585 GLbitfield mask
, GLenum filter
);
1588 brw_blorp_copytexsubimage(struct brw_context
*brw
,
1589 struct gl_renderbuffer
*src_rb
,
1590 struct gl_texture_image
*dst_image
,
1592 int srcX0
, int srcY0
,
1593 int dstX0
, int dstY0
,
1594 int width
, int height
);
1596 /* brw_generate_mipmap.c */
1597 void brw_generate_mipmap(struct gl_context
*ctx
, GLenum target
,
1598 struct gl_texture_object
*tex_obj
);
1601 gen6_get_sample_position(struct gl_context
*ctx
,
1602 struct gl_framebuffer
*fb
,
1606 gen6_set_sample_maps(struct gl_context
*ctx
);
1608 /* gen8_multisample_state.c */
1609 void gen8_emit_3dstate_sample_pattern(struct brw_context
*brw
);
1613 gen7_emit_push_constant_state(struct brw_context
*brw
, unsigned vs_size
,
1614 unsigned hs_size
, unsigned ds_size
,
1615 unsigned gs_size
, unsigned fs_size
);
1618 gen6_upload_urb(struct brw_context
*brw
, unsigned vs_size
,
1619 bool gs_present
, unsigned gs_size
);
1621 gen7_upload_urb(struct brw_context
*brw
, unsigned vs_size
,
1622 bool gs_present
, bool tess_present
);
1626 brw_get_graphics_reset_status(struct gl_context
*ctx
);
1628 brw_check_for_reset(struct brw_context
*brw
);
1632 brw_init_compute_functions(struct dd_function_table
*functions
);
1634 /* brw_program_binary.c */
1636 brw_program_binary_init(unsigned device_id
);
1638 brw_get_program_binary_driver_sha1(struct gl_context
*ctx
, uint8_t *sha1
);
1639 void brw_serialize_program_binary(struct gl_context
*ctx
,
1640 struct gl_shader_program
*sh_prog
,
1641 struct gl_program
*prog
);
1643 brw_deserialize_program_binary(struct gl_context
*ctx
,
1644 struct gl_shader_program
*shProg
,
1645 struct gl_program
*prog
);
1647 brw_program_serialize_nir(struct gl_context
*ctx
, struct gl_program
*prog
);
1649 brw_program_deserialize_driver_blob(struct gl_context
*ctx
,
1650 struct gl_program
*prog
,
1651 gl_shader_stage stage
);
1653 /*======================================================================
1654 * Inline conversion functions. These are better-typed than the
1655 * macros used previously:
1657 static inline struct brw_context
*
1658 brw_context( struct gl_context
*ctx
)
1660 return (struct brw_context
*)ctx
;
1663 static inline struct brw_program
*
1664 brw_program(struct gl_program
*p
)
1666 return (struct brw_program
*) p
;
1669 static inline const struct brw_program
*
1670 brw_program_const(const struct gl_program
*p
)
1672 return (const struct brw_program
*) p
;
1676 brw_depth_writes_enabled(const struct brw_context
*brw
)
1678 const struct gl_context
*ctx
= &brw
->ctx
;
1680 /* We consider depth writes disabled if the depth function is GL_EQUAL,
1681 * because it would just overwrite the existing depth value with itself.
1683 * These bonus depth writes not only use bandwidth, but they also can
1684 * prevent early depth processing. For example, if the pixel shader
1685 * discards, the hardware must invoke the to determine whether or not
1686 * to do the depth write. If writes are disabled, we may still be able
1687 * to do the depth test before the shader, and skip the shader execution.
1689 * The Broadwell 3DSTATE_WM_DEPTH_STENCIL documentation also contains
1690 * a programming note saying to disable depth writes for EQUAL.
1692 return ctx
->Depth
.Test
&& ctx
->Depth
.Mask
&& ctx
->Depth
.Func
!= GL_EQUAL
;
1696 brw_emit_depthbuffer(struct brw_context
*brw
);
1698 uint32_t get_hw_prim_for_gl_prim(int mode
);
1701 gen6_upload_push_constants(struct brw_context
*brw
,
1702 const struct gl_program
*prog
,
1703 const struct brw_stage_prog_data
*prog_data
,
1704 struct brw_stage_state
*stage_state
);
1707 gen9_use_linear_1d_layout(const struct brw_context
*brw
,
1708 const struct intel_mipmap_tree
*mt
);
1710 /* brw_queryformat.c */
1711 void brw_query_internal_format(struct gl_context
*ctx
, GLenum target
,
1712 GLenum internalFormat
, GLenum pname
,