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1 /*
2  * Copyright © 2015 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include <assert.h>
25 #include <stdbool.h>
26 #include <string.h>
27 #include <unistd.h>
28 #include <fcntl.h>
29 
30 #include "anv_private.h"
31 
32 #include "common/intel_aux_map.h"
33 #include "common/intel_sample_positions.h"
34 #include "common/intel_pixel_hash.h"
35 #include "genxml/gen_macros.h"
36 #include "genxml/genX_pack.h"
37 
38 #include "vk_standard_sample_locations.h"
39 #include "vk_util.h"
40 
41 static void
genX(emit_slice_hashing_state)42 genX(emit_slice_hashing_state)(struct anv_device *device,
43                                struct anv_batch *batch)
44 {
45 #if GFX_VER == 11
46    /* Gfx11 hardware has two pixel pipes at most. */
47    for (unsigned i = 2; i < ARRAY_SIZE(device->info.ppipe_subslices); i++)
48       assert(device->info.ppipe_subslices[i] == 0);
49 
50    if (device->info.ppipe_subslices[0] == device->info.ppipe_subslices[1])
51      return;
52 
53    if (!device->slice_hash.alloc_size) {
54       unsigned size = GENX(SLICE_HASH_TABLE_length) * 4;
55       device->slice_hash =
56          anv_state_pool_alloc(&device->dynamic_state_pool, size, 64);
57 
58       const bool flip = device->info.ppipe_subslices[0] <
59                      device->info.ppipe_subslices[1];
60       struct GENX(SLICE_HASH_TABLE) table;
61       intel_compute_pixel_hash_table_3way(16, 16, 3, 3, flip, table.Entry[0]);
62 
63       GENX(SLICE_HASH_TABLE_pack)(NULL, device->slice_hash.map, &table);
64    }
65 
66    anv_batch_emit(batch, GENX(3DSTATE_SLICE_TABLE_STATE_POINTERS), ptr) {
67       ptr.SliceHashStatePointerValid = true;
68       ptr.SliceHashTableStatePointer = device->slice_hash.offset;
69    }
70 
71    anv_batch_emit(batch, GENX(3DSTATE_3D_MODE), mode) {
72       mode.SliceHashingTableEnable = true;
73    }
74 #elif GFX_VERx10 == 120
75    /* For each n calculate ppipes_of[n], equal to the number of pixel pipes
76     * present with n active dual subslices.
77     */
78    unsigned ppipes_of[3] = {};
79 
80    for (unsigned n = 0; n < ARRAY_SIZE(ppipes_of); n++) {
81       for (unsigned p = 0; p < 3; p++)
82          ppipes_of[n] += (device->info.ppipe_subslices[p] == n);
83    }
84 
85    /* Gfx12 has three pixel pipes. */
86    for (unsigned p = 3; p < ARRAY_SIZE(device->info.ppipe_subslices); p++)
87       assert(device->info.ppipe_subslices[p] == 0);
88 
89    if (ppipes_of[2] == 3 || ppipes_of[0] == 2) {
90       /* All three pixel pipes have the maximum number of active dual
91        * subslices, or there is only one active pixel pipe: Nothing to do.
92        */
93       return;
94    }
95 
96    anv_batch_emit(batch, GENX(3DSTATE_SUBSLICE_HASH_TABLE), p) {
97       p.SliceHashControl[0] = TABLE_0;
98 
99       if (ppipes_of[2] == 2 && ppipes_of[0] == 1)
100          intel_compute_pixel_hash_table_3way(8, 16, 2, 2, 0, p.TwoWayTableEntry[0]);
101       else if (ppipes_of[2] == 1 && ppipes_of[1] == 1 && ppipes_of[0] == 1)
102          intel_compute_pixel_hash_table_3way(8, 16, 3, 3, 0, p.TwoWayTableEntry[0]);
103 
104       if (ppipes_of[2] == 2 && ppipes_of[1] == 1)
105          intel_compute_pixel_hash_table_3way(8, 16, 5, 4, 0, p.ThreeWayTableEntry[0]);
106       else if (ppipes_of[2] == 2 && ppipes_of[0] == 1)
107          intel_compute_pixel_hash_table_3way(8, 16, 2, 2, 0, p.ThreeWayTableEntry[0]);
108       else if (ppipes_of[2] == 1 && ppipes_of[1] == 1 && ppipes_of[0] == 1)
109          intel_compute_pixel_hash_table_3way(8, 16, 3, 3, 0, p.ThreeWayTableEntry[0]);
110       else
111          unreachable("Illegal fusing.");
112    }
113 
114    anv_batch_emit(batch, GENX(3DSTATE_3D_MODE), p) {
115       p.SubsliceHashingTableEnable = true;
116       p.SubsliceHashingTableEnableMask = true;
117    }
118 #elif GFX_VERx10 == 125
119    uint32_t ppipe_mask = 0;
120    for (unsigned p = 0; p < ARRAY_SIZE(device->info.ppipe_subslices); p++) {
121       if (device->info.ppipe_subslices[p])
122          ppipe_mask |= (1u << p);
123    }
124    assert(ppipe_mask);
125 
126    if (!device->slice_hash.alloc_size) {
127       unsigned size = GENX(SLICE_HASH_TABLE_length) * 4;
128       device->slice_hash =
129          anv_state_pool_alloc(&device->dynamic_state_pool, size, 64);
130 
131       struct GENX(SLICE_HASH_TABLE) table;
132 
133       /* Note that the hardware expects an array with 7 tables, each
134        * table is intended to specify the pixel pipe hashing behavior
135        * for every possible slice count between 2 and 8, however that
136        * doesn't actually work, among other reasons due to hardware
137        * bugs that will cause the GPU to erroneously access the table
138        * at the wrong index in some cases, so in practice all 7 tables
139        * need to be initialized to the same value.
140        */
141       for (unsigned i = 0; i < 7; i++)
142          intel_compute_pixel_hash_table_nway(16, 16, ppipe_mask, table.Entry[i][0]);
143 
144       GENX(SLICE_HASH_TABLE_pack)(NULL, device->slice_hash.map, &table);
145    }
146 
147    anv_batch_emit(batch, GENX(3DSTATE_SLICE_TABLE_STATE_POINTERS), ptr) {
148       ptr.SliceHashStatePointerValid = true;
149       ptr.SliceHashTableStatePointer = device->slice_hash.offset;
150    }
151 
152    anv_batch_emit(batch, GENX(3DSTATE_3D_MODE), mode) {
153       mode.SliceHashingTableEnable = true;
154       mode.SliceHashingTableEnableMask = true;
155       mode.CrossSliceHashingMode = (util_bitcount(ppipe_mask) > 1 ?
156 				    hashing32x32 : NormalMode);
157       mode.CrossSliceHashingModeMask = -1;
158    }
159 #endif
160 }
161 
162 static void
init_common_queue_state(struct anv_queue * queue,struct anv_batch * batch)163 init_common_queue_state(struct anv_queue *queue, struct anv_batch *batch)
164 {
165    UNUSED struct anv_device *device = queue->device;
166 
167 #if GFX_VER >= 11
168    /* Starting with GFX version 11, SLM is no longer part of the L3$ config
169     * so it never changes throughout the lifetime of the VkDevice.
170     */
171    const struct intel_l3_config *cfg = intel_get_default_l3_config(&device->info);
172    genX(emit_l3_config)(batch, device, cfg);
173    device->l3_config = cfg;
174 #endif
175 
176 #if GFX_VERx10 >= 125
177    /* GEN:BUG:1607854226:
178     *
179     *  Non-pipelined state has issues with not applying in MEDIA/GPGPU mode.
180     *  Fortunately, we always start the context off in 3D mode.
181     */
182    uint32_t mocs = device->isl_dev.mocs.internal;
183    anv_batch_emit(batch, GENX(STATE_BASE_ADDRESS), sba) {
184       sba.GeneralStateBaseAddress = (struct anv_address) { NULL, 0 };
185       sba.GeneralStateBufferSize  = 0xfffff;
186       sba.GeneralStateMOCS = mocs;
187       sba.GeneralStateBaseAddressModifyEnable = true;
188       sba.GeneralStateBufferSizeModifyEnable = true;
189 
190       sba.StatelessDataPortAccessMOCS = mocs;
191 
192       sba.SurfaceStateBaseAddress =
193          (struct anv_address) { .offset = SURFACE_STATE_POOL_MIN_ADDRESS };
194       sba.SurfaceStateMOCS = mocs;
195       sba.SurfaceStateBaseAddressModifyEnable = true;
196 
197       sba.DynamicStateBaseAddress =
198          (struct anv_address) { .offset = DYNAMIC_STATE_POOL_MIN_ADDRESS };
199       sba.DynamicStateBufferSize = DYNAMIC_STATE_POOL_SIZE / 4096;
200       sba.DynamicStateMOCS = mocs;
201       sba.DynamicStateBaseAddressModifyEnable = true;
202       sba.DynamicStateBufferSizeModifyEnable = true;
203 
204       sba.IndirectObjectBaseAddress = (struct anv_address) { NULL, 0 };
205       sba.IndirectObjectBufferSize = 0xfffff;
206       sba.IndirectObjectMOCS = mocs;
207       sba.IndirectObjectBaseAddressModifyEnable = true;
208       sba.IndirectObjectBufferSizeModifyEnable = true;
209 
210       sba.InstructionBaseAddress =
211          (struct anv_address) { .offset = INSTRUCTION_STATE_POOL_MIN_ADDRESS };
212       sba.InstructionBufferSize = INSTRUCTION_STATE_POOL_SIZE / 4096;
213       sba.InstructionMOCS = mocs;
214       sba.InstructionBaseAddressModifyEnable = true;
215       sba.InstructionBuffersizeModifyEnable = true;
216 
217       sba.BindlessSurfaceStateBaseAddress =
218          (struct anv_address) { .offset = SURFACE_STATE_POOL_MIN_ADDRESS };
219       sba.BindlessSurfaceStateSize = (1 << 20) - 1;
220       sba.BindlessSurfaceStateMOCS = mocs;
221       sba.BindlessSurfaceStateBaseAddressModifyEnable = true;
222 
223       sba.BindlessSamplerStateBaseAddress = (struct anv_address) { NULL, 0 };
224       sba.BindlessSamplerStateMOCS = mocs;
225       sba.BindlessSamplerStateBaseAddressModifyEnable = true;
226       sba.BindlessSamplerStateBufferSize = 0;
227    }
228 #endif
229 }
230 
231 static VkResult
init_render_queue_state(struct anv_queue * queue)232 init_render_queue_state(struct anv_queue *queue)
233 {
234    struct anv_device *device = queue->device;
235    uint32_t cmds[128];
236    struct anv_batch batch = {
237       .start = cmds,
238       .next = cmds,
239       .end = (void *) cmds + sizeof(cmds),
240    };
241 
242    anv_batch_emit(&batch, GENX(PIPELINE_SELECT), ps) {
243 #if GFX_VER >= 9
244       ps.MaskBits = GFX_VER >= 12 ? 0x13 : 3;
245       ps.MediaSamplerDOPClockGateEnable = GFX_VER >= 12;
246 #endif
247       ps.PipelineSelection = _3D;
248    }
249 
250 #if GFX_VER == 9
251    anv_batch_write_reg(&batch, GENX(CACHE_MODE_1), cm1) {
252       cm1.FloatBlendOptimizationEnable = true;
253       cm1.FloatBlendOptimizationEnableMask = true;
254       cm1.MSCRAWHazardAvoidanceBit = true;
255       cm1.MSCRAWHazardAvoidanceBitMask = true;
256       cm1.PartialResolveDisableInVC = true;
257       cm1.PartialResolveDisableInVCMask = true;
258    }
259 #endif
260 
261    anv_batch_emit(&batch, GENX(3DSTATE_AA_LINE_PARAMETERS), aa);
262 
263    anv_batch_emit(&batch, GENX(3DSTATE_DRAWING_RECTANGLE), rect) {
264       rect.ClippedDrawingRectangleYMin = 0;
265       rect.ClippedDrawingRectangleXMin = 0;
266       rect.ClippedDrawingRectangleYMax = UINT16_MAX;
267       rect.ClippedDrawingRectangleXMax = UINT16_MAX;
268       rect.DrawingRectangleOriginY = 0;
269       rect.DrawingRectangleOriginX = 0;
270    }
271 
272 #if GFX_VER >= 8
273    anv_batch_emit(&batch, GENX(3DSTATE_WM_CHROMAKEY), ck);
274 
275    genX(emit_sample_pattern)(&batch, NULL);
276 
277    /* The BDW+ docs describe how to use the 3DSTATE_WM_HZ_OP instruction in the
278     * section titled, "Optimized Depth Buffer Clear and/or Stencil Buffer
279     * Clear." It mentions that the packet overrides GPU state for the clear
280     * operation and needs to be reset to 0s to clear the overrides. Depending
281     * on the kernel, we may not get a context with the state for this packet
282     * zeroed. Do it ourselves just in case. We've observed this to prevent a
283     * number of GPU hangs on ICL.
284     */
285    anv_batch_emit(&batch, GENX(3DSTATE_WM_HZ_OP), hzp);
286 #endif
287 
288 #if GFX_VER == 11
289    /* The default behavior of bit 5 "Headerless Message for Pre-emptable
290     * Contexts" in SAMPLER MODE register is set to 0, which means
291     * headerless sampler messages are not allowed for pre-emptable
292     * contexts. Set the bit 5 to 1 to allow them.
293     */
294    anv_batch_write_reg(&batch, GENX(SAMPLER_MODE), sm) {
295       sm.HeaderlessMessageforPreemptableContexts = true;
296       sm.HeaderlessMessageforPreemptableContextsMask = true;
297    }
298 
299    /* Bit 1 "Enabled Texel Offset Precision Fix" must be set in
300     * HALF_SLICE_CHICKEN7 register.
301     */
302    anv_batch_write_reg(&batch, GENX(HALF_SLICE_CHICKEN7), hsc7) {
303       hsc7.EnabledTexelOffsetPrecisionFix = true;
304       hsc7.EnabledTexelOffsetPrecisionFixMask = true;
305    }
306 
307    anv_batch_write_reg(&batch, GENX(TCCNTLREG), tcc) {
308       tcc.L3DataPartialWriteMergingEnable = true;
309       tcc.ColorZPartialWriteMergingEnable = true;
310       tcc.URBPartialWriteMergingEnable = true;
311       tcc.TCDisable = true;
312    }
313 #endif
314    genX(emit_slice_hashing_state)(device, &batch);
315 
316 #if GFX_VER >= 11
317    /* hardware specification recommends disabling repacking for
318     * the compatibility with decompression mechanism in display controller.
319     */
320    if (device->info.disable_ccs_repack) {
321       anv_batch_write_reg(&batch, GENX(CACHE_MODE_0), cm0) {
322          cm0.DisableRepackingforCompression = true;
323          cm0.DisableRepackingforCompressionMask = true;
324       }
325    }
326 
327    /* an unknown issue is causing vs push constants to become
328     * corrupted during object-level preemption. For now, restrict
329     * to command buffer level preemption to avoid rendering
330     * corruption.
331     */
332    anv_batch_write_reg(&batch, GENX(CS_CHICKEN1), cc1) {
333       cc1.ReplayMode = MidcmdbufferPreemption;
334       cc1.ReplayModeMask = true;
335 
336 #if GFX_VERx10 == 120
337       cc1.DisablePreemptionandHighPriorityPausingdueto3DPRIMITIVECommand = true;
338       cc1.DisablePreemptionandHighPriorityPausingdueto3DPRIMITIVECommandMask = true;
339 #endif
340    }
341 
342 #if GFX_VERx10 == 120
343    /* Wa_1806527549 says to disable the following HiZ optimization when the
344     * depth buffer is D16_UNORM. We've found the WA to help with more depth
345     * buffer configurations however, so we always disable it just to be safe.
346     */
347    anv_batch_write_reg(&batch, GENX(HIZ_CHICKEN), reg) {
348       reg.HZDepthTestLEGEOptimizationDisable = true;
349       reg.HZDepthTestLEGEOptimizationDisableMask = true;
350    }
351 
352    /* Wa_1508744258
353     *
354     *    Disable RHWO by setting 0x7010[14] by default except during resolve
355     *    pass.
356     *
357     * We implement global disabling of the optimization here and we toggle it
358     * in anv_image_ccs_op().
359     */
360    anv_batch_write_reg(&batch, GENX(COMMON_SLICE_CHICKEN1), c1) {
361       c1.RCCRHWOOptimizationDisable = true;
362       c1.RCCRHWOOptimizationDisableMask = true;
363    }
364 #endif
365 
366 #if GFX_VERx10 < 125
367 #define AA_LINE_QUALITY_REG GENX(3D_CHICKEN3)
368 #else
369 #define AA_LINE_QUALITY_REG GENX(CHICKEN_RASTER_1)
370 #endif
371 
372    /* Enable the new line drawing algorithm that produces higher quality
373     * lines.
374     */
375    anv_batch_write_reg(&batch, AA_LINE_QUALITY_REG, c3) {
376       c3.AALineQualityFix = true;
377       c3.AALineQualityFixMask = true;
378    }
379 #endif
380 
381 #if GFX_VER == 12
382    if (device->info.has_aux_map) {
383       uint64_t aux_base_addr = intel_aux_map_get_base(device->aux_map_ctx);
384       assert(aux_base_addr % (32 * 1024) == 0);
385       anv_batch_emit(&batch, GENX(MI_LOAD_REGISTER_IMM), lri) {
386          lri.RegisterOffset = GENX(GFX_AUX_TABLE_BASE_ADDR_num);
387          lri.DataDWord = aux_base_addr & 0xffffffff;
388       }
389       anv_batch_emit(&batch, GENX(MI_LOAD_REGISTER_IMM), lri) {
390          lri.RegisterOffset = GENX(GFX_AUX_TABLE_BASE_ADDR_num) + 4;
391          lri.DataDWord = aux_base_addr >> 32;
392       }
393    }
394 #endif
395 
396    /* Set the "CONSTANT_BUFFER Address Offset Disable" bit, so
397     * 3DSTATE_CONSTANT_XS buffer 0 is an absolute address.
398     *
399     * This is only safe on kernels with context isolation support.
400     */
401    if (GFX_VER >= 8 && device->physical->has_context_isolation) {
402 #if GFX_VER >= 9
403       anv_batch_write_reg(&batch, GENX(CS_DEBUG_MODE2), csdm2) {
404          csdm2.CONSTANT_BUFFERAddressOffsetDisable = true;
405          csdm2.CONSTANT_BUFFERAddressOffsetDisableMask = true;
406       }
407 #elif GFX_VER == 8
408       anv_batch_write_reg(&batch, GENX(INSTPM), instpm) {
409          instpm.CONSTANT_BUFFERAddressOffsetDisable = true;
410          instpm.CONSTANT_BUFFERAddressOffsetDisableMask = true;
411       }
412 #endif
413    }
414 
415    init_common_queue_state(queue, &batch);
416 
417    anv_batch_emit(&batch, GENX(MI_BATCH_BUFFER_END), bbe);
418 
419    assert(batch.next <= batch.end);
420 
421    return anv_queue_submit_simple_batch(queue, &batch);
422 }
423 
424 static VkResult
init_compute_queue_state(struct anv_queue * queue)425 init_compute_queue_state(struct anv_queue *queue)
426 {
427    struct anv_batch batch;
428 
429    uint32_t cmds[64];
430    batch.start = batch.next = cmds;
431    batch.end = (void *) cmds + sizeof(cmds);
432 
433    anv_batch_emit(&batch, GENX(PIPELINE_SELECT), ps) {
434 #if GFX_VER >= 9
435       ps.MaskBits = 3;
436 #endif
437 #if GFX_VER >= 11
438       ps.MaskBits |= 0x10;
439       ps.MediaSamplerDOPClockGateEnable = true;
440 #endif
441       ps.PipelineSelection = GPGPU;
442    }
443 
444    init_common_queue_state(queue, &batch);
445 
446    anv_batch_emit(&batch, GENX(MI_BATCH_BUFFER_END), bbe);
447 
448    assert(batch.next <= batch.end);
449 
450    return anv_queue_submit_simple_batch(queue, &batch);
451 }
452 
453 void
genX(init_physical_device_state)454 genX(init_physical_device_state)(ASSERTED struct anv_physical_device *device)
455 {
456    assert(device->info.verx10 == GFX_VERx10);
457 }
458 
459 VkResult
genX(init_device_state)460 genX(init_device_state)(struct anv_device *device)
461 {
462    VkResult res;
463 
464    device->slice_hash = (struct anv_state) { 0 };
465    for (uint32_t i = 0; i < device->queue_count; i++) {
466       struct anv_queue *queue = &device->queues[i];
467       switch (queue->family->engine_class) {
468       case I915_ENGINE_CLASS_RENDER:
469          res = init_render_queue_state(queue);
470          break;
471       case I915_ENGINE_CLASS_COMPUTE:
472          res = init_compute_queue_state(queue);
473          break;
474       default:
475          res = vk_error(device, VK_ERROR_INITIALIZATION_FAILED);
476          break;
477       }
478       if (res != VK_SUCCESS)
479          return res;
480    }
481 
482    return res;
483 }
484 
485 #if GFX_VERx10 >= 125
486 #define maybe_for_each_shading_rate_op(name) \
487    for (VkFragmentShadingRateCombinerOpKHR name = VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR; \
488         name <= VK_FRAGMENT_SHADING_RATE_COMBINER_OP_MUL_KHR; \
489         name++)
490 #elif GFX_VER >= 12
491 #define maybe_for_each_shading_rate_op(name)
492 #endif
493 
494 /* Rather than reemitting the CPS_STATE structure everything those changes and
495  * for as many viewports as needed, we can just prepare all possible cases and
496  * just pick the right offset from the prepacked states when needed.
497  */
498 void
genX(init_cps_device_state)499 genX(init_cps_device_state)(struct anv_device *device)
500 {
501 #if GFX_VER >= 12
502    void *cps_state_ptr = device->cps_states.map;
503 
504    /* Disabled CPS mode */
505    for (uint32_t __v = 0; __v < MAX_VIEWPORTS; __v++) {
506       struct GENX(CPS_STATE) cps_state = {
507          .CoarsePixelShadingMode = CPS_MODE_CONSTANT,
508          .MinCPSizeX = 1,
509          .MinCPSizeY = 1,
510 #if GFX_VERx10 >= 125
511          .Combiner0OpcodeforCPsize = PASSTHROUGH,
512          .Combiner1OpcodeforCPsize = PASSTHROUGH,
513 #endif /* GFX_VERx10 >= 125 */
514 
515       };
516 
517       GENX(CPS_STATE_pack)(NULL, cps_state_ptr, &cps_state);
518       cps_state_ptr += GENX(CPS_STATE_length) * 4;
519    }
520 
521    maybe_for_each_shading_rate_op(op0) {
522       maybe_for_each_shading_rate_op(op1) {
523          for (uint32_t x = 1; x <= 4; x *= 2) {
524             for (uint32_t y = 1; y <= 4; y *= 2) {
525                struct GENX(CPS_STATE) cps_state = {
526                   .CoarsePixelShadingMode = CPS_MODE_CONSTANT,
527                   .MinCPSizeX = x,
528                   .MinCPSizeY = y,
529                };
530 
531 #if GFX_VERx10 >= 125
532                static const uint32_t combiner_ops[] = {
533                   [VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR]    = PASSTHROUGH,
534                   [VK_FRAGMENT_SHADING_RATE_COMBINER_OP_REPLACE_KHR] = OVERRIDE,
535                   [VK_FRAGMENT_SHADING_RATE_COMBINER_OP_MIN_KHR]     = HIGH_QUALITY,
536                   [VK_FRAGMENT_SHADING_RATE_COMBINER_OP_MAX_KHR]     = LOW_QUALITY,
537                   [VK_FRAGMENT_SHADING_RATE_COMBINER_OP_MUL_KHR]     = RELATIVE,
538                };
539 
540                cps_state.Combiner0OpcodeforCPsize = combiner_ops[op0];
541                cps_state.Combiner1OpcodeforCPsize = combiner_ops[op1];
542 #endif /* GFX_VERx10 >= 125 */
543 
544                for (uint32_t __v = 0; __v < MAX_VIEWPORTS; __v++) {
545                   GENX(CPS_STATE_pack)(NULL, cps_state_ptr, &cps_state);
546                   cps_state_ptr += GENX(CPS_STATE_length) * 4;
547                }
548             }
549          }
550       }
551    }
552 #endif /* GFX_VER >= 12 */
553 }
554 
555 #if GFX_VER >= 12
556 static uint32_t
get_cps_state_offset(struct anv_device * device,bool cps_enabled,const struct vk_fragment_shading_rate_state * fsr)557 get_cps_state_offset(struct anv_device *device, bool cps_enabled,
558                      const struct vk_fragment_shading_rate_state *fsr)
559 {
560    if (!cps_enabled)
561       return device->cps_states.offset;
562 
563    uint32_t offset;
564    static const uint32_t size_index[] = {
565       [1] = 0,
566       [2] = 1,
567       [4] = 2,
568    };
569 
570 #if GFX_VERx10 >= 125
571    offset =
572       1 + /* skip disabled */
573       fsr->combiner_ops[0] * 5 * 3 * 3 +
574       fsr->combiner_ops[1] * 3 * 3 +
575       size_index[fsr->fragment_size.width] * 3 +
576       size_index[fsr->fragment_size.height];
577 #else
578    offset =
579       1 + /* skip disabled */
580       size_index[fsr->fragment_size.width] * 3 +
581       size_index[fsr->fragment_size.height];
582 #endif
583 
584    offset *= MAX_VIEWPORTS * GENX(CPS_STATE_length) * 4;
585 
586    return device->cps_states.offset + offset;
587 }
588 #endif /* GFX_VER >= 12 */
589 
590 void
genX(emit_l3_config)591 genX(emit_l3_config)(struct anv_batch *batch,
592                      const struct anv_device *device,
593                      const struct intel_l3_config *cfg)
594 {
595    UNUSED const struct intel_device_info *devinfo = &device->info;
596 
597 #if GFX_VER >= 8
598 
599 #if GFX_VER >= 12
600 #define L3_ALLOCATION_REG GENX(L3ALLOC)
601 #define L3_ALLOCATION_REG_num GENX(L3ALLOC_num)
602 #else
603 #define L3_ALLOCATION_REG GENX(L3CNTLREG)
604 #define L3_ALLOCATION_REG_num GENX(L3CNTLREG_num)
605 #endif
606 
607    anv_batch_write_reg(batch, L3_ALLOCATION_REG, l3cr) {
608       if (cfg == NULL) {
609 #if GFX_VER >= 12
610          l3cr.L3FullWayAllocationEnable = true;
611 #else
612          unreachable("Invalid L3$ config");
613 #endif
614       } else {
615 #if GFX_VER < 11
616          l3cr.SLMEnable = cfg->n[INTEL_L3P_SLM];
617 #endif
618 #if GFX_VER == 11
619          /* Wa_1406697149: Bit 9 "Error Detection Behavior Control" must be
620           * set in L3CNTLREG register. The default setting of the bit is not
621           * the desirable behavior.
622           */
623          l3cr.ErrorDetectionBehaviorControl = true;
624          l3cr.UseFullWays = true;
625 #endif /* GFX_VER == 11 */
626          assert(cfg->n[INTEL_L3P_IS] == 0);
627          assert(cfg->n[INTEL_L3P_C] == 0);
628          assert(cfg->n[INTEL_L3P_T] == 0);
629          l3cr.URBAllocation = cfg->n[INTEL_L3P_URB];
630          l3cr.ROAllocation = cfg->n[INTEL_L3P_RO];
631          l3cr.DCAllocation = cfg->n[INTEL_L3P_DC];
632          l3cr.AllAllocation = cfg->n[INTEL_L3P_ALL];
633       }
634    }
635 
636 #else /* GFX_VER < 8 */
637 
638    const bool has_dc = cfg->n[INTEL_L3P_DC] || cfg->n[INTEL_L3P_ALL];
639    const bool has_is = cfg->n[INTEL_L3P_IS] || cfg->n[INTEL_L3P_RO] ||
640                        cfg->n[INTEL_L3P_ALL];
641    const bool has_c = cfg->n[INTEL_L3P_C] || cfg->n[INTEL_L3P_RO] ||
642                       cfg->n[INTEL_L3P_ALL];
643    const bool has_t = cfg->n[INTEL_L3P_T] || cfg->n[INTEL_L3P_RO] ||
644                       cfg->n[INTEL_L3P_ALL];
645 
646    assert(!cfg->n[INTEL_L3P_ALL]);
647 
648    /* When enabled SLM only uses a portion of the L3 on half of the banks,
649     * the matching space on the remaining banks has to be allocated to a
650     * client (URB for all validated configurations) set to the
651     * lower-bandwidth 2-bank address hashing mode.
652     */
653    const bool urb_low_bw = cfg->n[INTEL_L3P_SLM] && devinfo->platform != INTEL_PLATFORM_BYT;
654    assert(!urb_low_bw || cfg->n[INTEL_L3P_URB] == cfg->n[INTEL_L3P_SLM]);
655 
656    /* Minimum number of ways that can be allocated to the URB. */
657    const unsigned n0_urb = devinfo->platform == INTEL_PLATFORM_BYT ? 32 : 0;
658    assert(cfg->n[INTEL_L3P_URB] >= n0_urb);
659 
660    anv_batch_write_reg(batch, GENX(L3SQCREG1), l3sqc) {
661       l3sqc.ConvertDC_UC = !has_dc;
662       l3sqc.ConvertIS_UC = !has_is;
663       l3sqc.ConvertC_UC = !has_c;
664       l3sqc.ConvertT_UC = !has_t;
665 #if GFX_VERx10 == 75
666       l3sqc.L3SQGeneralPriorityCreditInitialization = SQGPCI_DEFAULT;
667 #else
668       l3sqc.L3SQGeneralPriorityCreditInitialization =
669          devinfo->platform == INTEL_PLATFORM_BYT ? BYT_SQGPCI_DEFAULT : SQGPCI_DEFAULT;
670 #endif
671       l3sqc.L3SQHighPriorityCreditInitialization = SQHPCI_DEFAULT;
672    }
673 
674    anv_batch_write_reg(batch, GENX(L3CNTLREG2), l3cr2) {
675       l3cr2.SLMEnable = cfg->n[INTEL_L3P_SLM];
676       l3cr2.URBLowBandwidth = urb_low_bw;
677       l3cr2.URBAllocation = cfg->n[INTEL_L3P_URB] - n0_urb;
678 #if !GFX_VERx10 == 75
679       l3cr2.ALLAllocation = cfg->n[INTEL_L3P_ALL];
680 #endif
681       l3cr2.ROAllocation = cfg->n[INTEL_L3P_RO];
682       l3cr2.DCAllocation = cfg->n[INTEL_L3P_DC];
683    }
684 
685    anv_batch_write_reg(batch, GENX(L3CNTLREG3), l3cr3) {
686       l3cr3.ISAllocation = cfg->n[INTEL_L3P_IS];
687       l3cr3.ISLowBandwidth = 0;
688       l3cr3.CAllocation = cfg->n[INTEL_L3P_C];
689       l3cr3.CLowBandwidth = 0;
690       l3cr3.TAllocation = cfg->n[INTEL_L3P_T];
691       l3cr3.TLowBandwidth = 0;
692    }
693 
694 #if GFX_VERx10 == 75
695    if (device->physical->cmd_parser_version >= 4) {
696       /* Enable L3 atomics on HSW if we have a DC partition, otherwise keep
697        * them disabled to avoid crashing the system hard.
698        */
699       anv_batch_write_reg(batch, GENX(SCRATCH1), s1) {
700          s1.L3AtomicDisable = !has_dc;
701       }
702       anv_batch_write_reg(batch, GENX(CHICKEN3), c3) {
703          c3.L3AtomicDisableMask = true;
704          c3.L3AtomicDisable = !has_dc;
705       }
706    }
707 #endif /* GFX_VERx10 == 75 */
708 
709 #endif /* GFX_VER < 8 */
710 }
711 
712 void
genX(emit_multisample)713 genX(emit_multisample)(struct anv_batch *batch, uint32_t samples,
714                        const struct vk_sample_locations_state *sl)
715 {
716    if (sl != NULL) {
717       assert(sl->per_pixel == samples);
718       assert(sl->grid_size.width == 1);
719       assert(sl->grid_size.height == 1);
720    } else {
721       sl = vk_standard_sample_locations_state(samples);
722    }
723 
724    anv_batch_emit(batch, GENX(3DSTATE_MULTISAMPLE), ms) {
725       ms.NumberofMultisamples       = __builtin_ffs(samples) - 1;
726 
727       ms.PixelLocation              = CENTER;
728 #if GFX_VER >= 8
729       /* The PRM says that this bit is valid only for DX9:
730        *
731        *    SW can choose to set this bit only for DX9 API. DX10/OGL API's
732        *    should not have any effect by setting or not setting this bit.
733        */
734       ms.PixelPositionOffsetEnable  = false;
735 #else
736       switch (samples) {
737       case 1:
738          INTEL_SAMPLE_POS_1X_ARRAY(ms.Sample, sl->locations);
739          break;
740       case 2:
741          INTEL_SAMPLE_POS_2X_ARRAY(ms.Sample, sl->locations);
742          break;
743       case 4:
744          INTEL_SAMPLE_POS_4X_ARRAY(ms.Sample, sl->locations);
745          break;
746       case 8:
747          INTEL_SAMPLE_POS_8X_ARRAY(ms.Sample, sl->locations);
748          break;
749       default:
750             break;
751       }
752 #endif
753    }
754 }
755 
756 #if GFX_VER >= 8
757 void
genX(emit_sample_pattern)758 genX(emit_sample_pattern)(struct anv_batch *batch,
759                           const struct vk_sample_locations_state *sl)
760 {
761    assert(sl == NULL || sl->grid_size.width == 1);
762    assert(sl == NULL || sl->grid_size.height == 1);
763 
764    /* See the Vulkan 1.0 spec Table 24.1 "Standard sample locations" and
765     * VkPhysicalDeviceFeatures::standardSampleLocations.
766     */
767    anv_batch_emit(batch, GENX(3DSTATE_SAMPLE_PATTERN), sp) {
768       /* The Skylake PRM Vol. 2a "3DSTATE_SAMPLE_PATTERN" says:
769        *
770        *    "When programming the sample offsets (for NUMSAMPLES_4 or _8
771        *    and MSRASTMODE_xxx_PATTERN), the order of the samples 0 to 3
772        *    (or 7 for 8X, or 15 for 16X) must have monotonically increasing
773        *    distance from the pixel center. This is required to get the
774        *    correct centroid computation in the device."
775        *
776        * However, the Vulkan spec seems to require that the the samples occur
777        * in the order provided through the API. The standard sample patterns
778        * have the above property that they have monotonically increasing
779        * distances from the center but client-provided ones do not. As long as
780        * this only affects centroid calculations as the docs say, we should be
781        * ok because OpenGL and Vulkan only require that the centroid be some
782        * lit sample and that it's the same for all samples in a pixel; they
783        * have no requirement that it be the one closest to center.
784        */
785       for (uint32_t i = 1; i <= (GFX_VER >= 9 ? 16 : 8); i *= 2) {
786          switch (i) {
787          case VK_SAMPLE_COUNT_1_BIT:
788             if (sl && sl->per_pixel == i) {
789                INTEL_SAMPLE_POS_1X_ARRAY(sp._1xSample, sl->locations);
790             } else {
791                INTEL_SAMPLE_POS_1X(sp._1xSample);
792             }
793             break;
794          case VK_SAMPLE_COUNT_2_BIT:
795             if (sl && sl->per_pixel == i) {
796                INTEL_SAMPLE_POS_2X_ARRAY(sp._2xSample, sl->locations);
797             } else {
798                INTEL_SAMPLE_POS_2X(sp._2xSample);
799             }
800             break;
801          case VK_SAMPLE_COUNT_4_BIT:
802             if (sl && sl->per_pixel == i) {
803                INTEL_SAMPLE_POS_4X_ARRAY(sp._4xSample, sl->locations);
804             } else {
805                INTEL_SAMPLE_POS_4X(sp._4xSample);
806             }
807             break;
808          case VK_SAMPLE_COUNT_8_BIT:
809             if (sl && sl->per_pixel == i) {
810                INTEL_SAMPLE_POS_8X_ARRAY(sp._8xSample, sl->locations);
811             } else {
812                INTEL_SAMPLE_POS_8X(sp._8xSample);
813             }
814             break;
815 #if GFX_VER >= 9
816          case VK_SAMPLE_COUNT_16_BIT:
817             if (sl && sl->per_pixel == i) {
818                INTEL_SAMPLE_POS_16X_ARRAY(sp._16xSample, sl->locations);
819             } else {
820                INTEL_SAMPLE_POS_16X(sp._16xSample);
821             }
822             break;
823 #endif
824          default:
825             unreachable("Invalid sample count");
826          }
827       }
828    }
829 }
830 #endif
831 
832 #if GFX_VER >= 11
833 void
genX(emit_shading_rate)834 genX(emit_shading_rate)(struct anv_batch *batch,
835                         const struct anv_graphics_pipeline *pipeline,
836                         const struct vk_fragment_shading_rate_state *fsr)
837 {
838    const struct brw_wm_prog_data *wm_prog_data = get_wm_prog_data(pipeline);
839    const bool cps_enable = wm_prog_data && wm_prog_data->per_coarse_pixel_dispatch;
840 
841 #if GFX_VER == 11
842    anv_batch_emit(batch, GENX(3DSTATE_CPS), cps) {
843       cps.CoarsePixelShadingMode = cps_enable ? CPS_MODE_CONSTANT : CPS_MODE_NONE;
844       if (cps_enable) {
845          cps.MinCPSizeX = fsr->fragment_size.width;
846          cps.MinCPSizeY = fsr->fragment_size.height;
847       }
848    }
849 #elif GFX_VER >= 12
850    /* TODO: we can optimize this flush in the following cases:
851     *
852     *    In the case where the last geometry shader emits a value that is not
853     *    constant, we can avoid this stall because we can synchronize the
854     *    pixel shader internally with
855     *    3DSTATE_PS::EnablePSDependencyOnCPsizeChange.
856     *
857     *    If we know that the previous pipeline and the current one are using
858     *    the same fragment shading rate.
859     */
860    anv_batch_emit(batch, GENX(PIPE_CONTROL), pc) {
861 #if GFX_VERx10 >= 125
862       pc.PSSStallSyncEnable = true;
863 #else
864       pc.PSDSyncEnable = true;
865 #endif
866    }
867 
868    anv_batch_emit(batch, GENX(3DSTATE_CPS_POINTERS), cps) {
869       struct anv_device *device = pipeline->base.device;
870 
871       cps.CoarsePixelShadingStateArrayPointer =
872          get_cps_state_offset(device, cps_enable, fsr);
873    }
874 #endif
875 }
876 #endif /* GFX_VER >= 11 */
877 
878 static uint32_t
vk_to_intel_tex_filter(VkFilter filter,bool anisotropyEnable)879 vk_to_intel_tex_filter(VkFilter filter, bool anisotropyEnable)
880 {
881    switch (filter) {
882    default:
883       assert(!"Invalid filter");
884    case VK_FILTER_NEAREST:
885       return anisotropyEnable ? MAPFILTER_ANISOTROPIC : MAPFILTER_NEAREST;
886    case VK_FILTER_LINEAR:
887       return anisotropyEnable ? MAPFILTER_ANISOTROPIC : MAPFILTER_LINEAR;
888    }
889 }
890 
891 static uint32_t
vk_to_intel_max_anisotropy(float ratio)892 vk_to_intel_max_anisotropy(float ratio)
893 {
894    return (anv_clamp_f(ratio, 2, 16) - 2) / 2;
895 }
896 
897 static const uint32_t vk_to_intel_mipmap_mode[] = {
898    [VK_SAMPLER_MIPMAP_MODE_NEAREST]          = MIPFILTER_NEAREST,
899    [VK_SAMPLER_MIPMAP_MODE_LINEAR]           = MIPFILTER_LINEAR
900 };
901 
902 static const uint32_t vk_to_intel_tex_address[] = {
903    [VK_SAMPLER_ADDRESS_MODE_REPEAT]          = TCM_WRAP,
904    [VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT] = TCM_MIRROR,
905    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE]   = TCM_CLAMP,
906    [VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE] = TCM_MIRROR_ONCE,
907    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER] = TCM_CLAMP_BORDER,
908 };
909 
910 /* Vulkan specifies the result of shadow comparisons as:
911  *     1     if   ref <op> texel,
912  *     0     otherwise.
913  *
914  * The hardware does:
915  *     0     if texel <op> ref,
916  *     1     otherwise.
917  *
918  * So, these look a bit strange because there's both a negation
919  * and swapping of the arguments involved.
920  */
921 static const uint32_t vk_to_intel_shadow_compare_op[] = {
922    [VK_COMPARE_OP_NEVER]                        = PREFILTEROP_ALWAYS,
923    [VK_COMPARE_OP_LESS]                         = PREFILTEROP_LEQUAL,
924    [VK_COMPARE_OP_EQUAL]                        = PREFILTEROP_NOTEQUAL,
925    [VK_COMPARE_OP_LESS_OR_EQUAL]                = PREFILTEROP_LESS,
926    [VK_COMPARE_OP_GREATER]                      = PREFILTEROP_GEQUAL,
927    [VK_COMPARE_OP_NOT_EQUAL]                    = PREFILTEROP_EQUAL,
928    [VK_COMPARE_OP_GREATER_OR_EQUAL]             = PREFILTEROP_GREATER,
929    [VK_COMPARE_OP_ALWAYS]                       = PREFILTEROP_NEVER,
930 };
931 
932 #if GFX_VER >= 9
933 static const uint32_t vk_to_intel_sampler_reduction_mode[] = {
934    [VK_SAMPLER_REDUCTION_MODE_WEIGHTED_AVERAGE] = STD_FILTER,
935    [VK_SAMPLER_REDUCTION_MODE_MIN]              = MINIMUM,
936    [VK_SAMPLER_REDUCTION_MODE_MAX]              = MAXIMUM,
937 };
938 #endif
939 
genX(CreateSampler)940 VkResult genX(CreateSampler)(
941     VkDevice                                    _device,
942     const VkSamplerCreateInfo*                  pCreateInfo,
943     const VkAllocationCallbacks*                pAllocator,
944     VkSampler*                                  pSampler)
945 {
946    ANV_FROM_HANDLE(anv_device, device, _device);
947    struct anv_sampler *sampler;
948 
949    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO);
950 
951    sampler = vk_object_zalloc(&device->vk, pAllocator, sizeof(*sampler),
952                               VK_OBJECT_TYPE_SAMPLER);
953    if (!sampler)
954       return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
955 
956    sampler->n_planes = 1;
957 
958    uint32_t border_color_stride = GFX_VERx10 == 75 ? 512 : 64;
959    uint32_t border_color_offset;
960    ASSERTED bool has_custom_color = false;
961    if (pCreateInfo->borderColor <= VK_BORDER_COLOR_INT_OPAQUE_WHITE) {
962       border_color_offset = device->border_colors.offset +
963                             pCreateInfo->borderColor *
964                             border_color_stride;
965    } else {
966       assert(GFX_VER >= 8);
967       sampler->custom_border_color =
968          anv_state_reserved_pool_alloc(&device->custom_border_colors);
969       border_color_offset = sampler->custom_border_color.offset;
970    }
971 
972 #if GFX_VER >= 9
973    unsigned sampler_reduction_mode = STD_FILTER;
974    bool enable_sampler_reduction = false;
975 #endif
976 
977    vk_foreach_struct_const(ext, pCreateInfo->pNext) {
978       switch (ext->sType) {
979       case VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO: {
980          VkSamplerYcbcrConversionInfo *pSamplerConversion =
981             (VkSamplerYcbcrConversionInfo *) ext;
982          ANV_FROM_HANDLE(anv_ycbcr_conversion, conversion,
983                          pSamplerConversion->conversion);
984 
985          /* Ignore conversion for non-YUV formats. This fulfills a requirement
986           * for clients that want to utilize same code path for images with
987           * external formats (VK_FORMAT_UNDEFINED) and "regular" RGBA images
988           * where format is known.
989           */
990          if (conversion == NULL || !conversion->format->can_ycbcr)
991             break;
992 
993          sampler->n_planes = conversion->format->n_planes;
994          sampler->conversion = conversion;
995          break;
996       }
997 #if GFX_VER >= 9
998       case VK_STRUCTURE_TYPE_SAMPLER_REDUCTION_MODE_CREATE_INFO: {
999          VkSamplerReductionModeCreateInfo *sampler_reduction =
1000             (VkSamplerReductionModeCreateInfo *) ext;
1001          sampler_reduction_mode =
1002             vk_to_intel_sampler_reduction_mode[sampler_reduction->reductionMode];
1003          enable_sampler_reduction = true;
1004          break;
1005       }
1006 #endif
1007       case VK_STRUCTURE_TYPE_SAMPLER_CUSTOM_BORDER_COLOR_CREATE_INFO_EXT: {
1008          VkSamplerCustomBorderColorCreateInfoEXT *custom_border_color =
1009             (VkSamplerCustomBorderColorCreateInfoEXT *) ext;
1010          if (sampler->custom_border_color.map == NULL)
1011             break;
1012 
1013          union isl_color_value color = { .u32 = {
1014             custom_border_color->customBorderColor.uint32[0],
1015             custom_border_color->customBorderColor.uint32[1],
1016             custom_border_color->customBorderColor.uint32[2],
1017             custom_border_color->customBorderColor.uint32[3],
1018          } };
1019 
1020          const struct anv_format *format_desc =
1021             custom_border_color->format != VK_FORMAT_UNDEFINED ?
1022             anv_get_format(custom_border_color->format) : NULL;
1023 
1024          /* For formats with a swizzle, it does not carry over to the sampler
1025           * for border colors, so we need to do the swizzle ourselves here.
1026           */
1027          if (format_desc && format_desc->n_planes == 1 &&
1028              !isl_swizzle_is_identity(format_desc->planes[0].swizzle)) {
1029             const struct anv_format_plane *fmt_plane = &format_desc->planes[0];
1030 
1031             assert(!isl_format_has_int_channel(fmt_plane->isl_format));
1032             color = isl_color_value_swizzle(color, fmt_plane->swizzle, true);
1033          }
1034 
1035          memcpy(sampler->custom_border_color.map, color.u32, sizeof(color));
1036          has_custom_color = true;
1037          break;
1038       }
1039       case VK_STRUCTURE_TYPE_SAMPLER_BORDER_COLOR_COMPONENT_MAPPING_CREATE_INFO_EXT:
1040          break;
1041       default:
1042          anv_debug_ignored_stype(ext->sType);
1043          break;
1044       }
1045    }
1046 
1047    assert((sampler->custom_border_color.map == NULL) || has_custom_color);
1048 
1049    if (device->physical->has_bindless_samplers) {
1050       /* If we have bindless, allocate enough samplers.  We allocate 32 bytes
1051        * for each sampler instead of 16 bytes because we want all bindless
1052        * samplers to be 32-byte aligned so we don't have to use indirect
1053        * sampler messages on them.
1054        */
1055       sampler->bindless_state =
1056          anv_state_pool_alloc(&device->dynamic_state_pool,
1057                               sampler->n_planes * 32, 32);
1058    }
1059 
1060    const bool seamless_cube =
1061       !(pCreateInfo->flags & VK_SAMPLER_CREATE_NON_SEAMLESS_CUBE_MAP_BIT_EXT);
1062 
1063    for (unsigned p = 0; p < sampler->n_planes; p++) {
1064       const bool plane_has_chroma =
1065          sampler->conversion && sampler->conversion->format->planes[p].has_chroma;
1066       const VkFilter min_filter =
1067          plane_has_chroma ? sampler->conversion->chroma_filter : pCreateInfo->minFilter;
1068       const VkFilter mag_filter =
1069          plane_has_chroma ? sampler->conversion->chroma_filter : pCreateInfo->magFilter;
1070       const bool enable_min_filter_addr_rounding = min_filter != VK_FILTER_NEAREST;
1071       const bool enable_mag_filter_addr_rounding = mag_filter != VK_FILTER_NEAREST;
1072       /* From Broadwell PRM, SAMPLER_STATE:
1073        *   "Mip Mode Filter must be set to MIPFILTER_NONE for Planar YUV surfaces."
1074        */
1075       const bool isl_format_is_planar_yuv = sampler->conversion &&
1076          isl_format_is_yuv(sampler->conversion->format->planes[0].isl_format) &&
1077          isl_format_is_planar(sampler->conversion->format->planes[0].isl_format);
1078 
1079       const uint32_t mip_filter_mode =
1080          isl_format_is_planar_yuv ?
1081          MIPFILTER_NONE : vk_to_intel_mipmap_mode[pCreateInfo->mipmapMode];
1082 
1083       struct GENX(SAMPLER_STATE) sampler_state = {
1084          .SamplerDisable = false,
1085          .TextureBorderColorMode = DX10OGL,
1086 
1087 #if GFX_VER >= 11
1088          .CPSLODCompensationEnable = true,
1089 #endif
1090 
1091 #if GFX_VER >= 8
1092          .LODPreClampMode = CLAMP_MODE_OGL,
1093 #else
1094          .LODPreClampEnable = CLAMP_ENABLE_OGL,
1095 #endif
1096 
1097 #if GFX_VER == 8
1098          .BaseMipLevel = 0.0,
1099 #endif
1100          .MipModeFilter = mip_filter_mode,
1101          .MagModeFilter = vk_to_intel_tex_filter(mag_filter, pCreateInfo->anisotropyEnable),
1102          .MinModeFilter = vk_to_intel_tex_filter(min_filter, pCreateInfo->anisotropyEnable),
1103          .TextureLODBias = anv_clamp_f(pCreateInfo->mipLodBias, -16, 15.996),
1104          .AnisotropicAlgorithm =
1105             pCreateInfo->anisotropyEnable ? EWAApproximation : LEGACY,
1106          .MinLOD = anv_clamp_f(pCreateInfo->minLod, 0, 14),
1107          .MaxLOD = anv_clamp_f(pCreateInfo->maxLod, 0, 14),
1108          .ChromaKeyEnable = 0,
1109          .ChromaKeyIndex = 0,
1110          .ChromaKeyMode = 0,
1111          .ShadowFunction =
1112             vk_to_intel_shadow_compare_op[pCreateInfo->compareEnable ?
1113                                         pCreateInfo->compareOp : VK_COMPARE_OP_NEVER],
1114          .CubeSurfaceControlMode = seamless_cube ? OVERRIDE : PROGRAMMED,
1115 
1116          .BorderColorPointer = border_color_offset,
1117 
1118 #if GFX_VER >= 8
1119          .LODClampMagnificationMode = MIPNONE,
1120 #endif
1121 
1122          .MaximumAnisotropy = vk_to_intel_max_anisotropy(pCreateInfo->maxAnisotropy),
1123          .RAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
1124          .RAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
1125          .VAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
1126          .VAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
1127          .UAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
1128          .UAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
1129          .TrilinearFilterQuality = 0,
1130          .NonnormalizedCoordinateEnable = pCreateInfo->unnormalizedCoordinates,
1131          .TCXAddressControlMode = vk_to_intel_tex_address[pCreateInfo->addressModeU],
1132          .TCYAddressControlMode = vk_to_intel_tex_address[pCreateInfo->addressModeV],
1133          .TCZAddressControlMode = vk_to_intel_tex_address[pCreateInfo->addressModeW],
1134 
1135 #if GFX_VER >= 9
1136          .ReductionType = sampler_reduction_mode,
1137          .ReductionTypeEnable = enable_sampler_reduction,
1138 #endif
1139       };
1140 
1141       GENX(SAMPLER_STATE_pack)(NULL, sampler->state[p], &sampler_state);
1142 
1143       if (sampler->bindless_state.map) {
1144          memcpy(sampler->bindless_state.map + p * 32,
1145                 sampler->state[p], GENX(SAMPLER_STATE_length) * 4);
1146       }
1147    }
1148 
1149    *pSampler = anv_sampler_to_handle(sampler);
1150 
1151    return VK_SUCCESS;
1152 }
1153