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 "genxml/gen_macros.h"
33 #include "genxml/genX_pack.h"
34 #include "common/gen_guardband.h"
35 
36 #if GEN_GEN == 8
37 void
gen8_cmd_buffer_emit_viewport(struct anv_cmd_buffer * cmd_buffer)38 gen8_cmd_buffer_emit_viewport(struct anv_cmd_buffer *cmd_buffer)
39 {
40    struct anv_framebuffer *fb = cmd_buffer->state.framebuffer;
41    uint32_t count = cmd_buffer->state.gfx.dynamic.viewport.count;
42    const VkViewport *viewports =
43       cmd_buffer->state.gfx.dynamic.viewport.viewports;
44    struct anv_state sf_clip_state =
45       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, count * 64, 64);
46 
47    for (uint32_t i = 0; i < count; i++) {
48       const VkViewport *vp = &viewports[i];
49 
50       /* The gen7 state struct has just the matrix and guardband fields, the
51        * gen8 struct adds the min/max viewport fields. */
52       struct GENX(SF_CLIP_VIEWPORT) sfv = {
53          .ViewportMatrixElementm00 = vp->width / 2,
54          .ViewportMatrixElementm11 = vp->height / 2,
55          .ViewportMatrixElementm22 = vp->maxDepth - vp->minDepth,
56          .ViewportMatrixElementm30 = vp->x + vp->width / 2,
57          .ViewportMatrixElementm31 = vp->y + vp->height / 2,
58          .ViewportMatrixElementm32 = vp->minDepth,
59          .XMinClipGuardband = -1.0f,
60          .XMaxClipGuardband = 1.0f,
61          .YMinClipGuardband = -1.0f,
62          .YMaxClipGuardband = 1.0f,
63          .XMinViewPort = vp->x,
64          .XMaxViewPort = vp->x + vp->width - 1,
65          .YMinViewPort = MIN2(vp->y, vp->y + vp->height),
66          .YMaxViewPort = MAX2(vp->y, vp->y + vp->height) - 1,
67       };
68 
69       if (fb) {
70          /* We can only calculate a "real" guardband clip if we know the
71           * framebuffer at the time we emit the packet.  Otherwise, we have
72           * fall back to a worst-case guardband of [-1, 1].
73           */
74          gen_calculate_guardband_size(fb->width, fb->height,
75                                       sfv.ViewportMatrixElementm00,
76                                       sfv.ViewportMatrixElementm11,
77                                       sfv.ViewportMatrixElementm30,
78                                       sfv.ViewportMatrixElementm31,
79                                       &sfv.XMinClipGuardband,
80                                       &sfv.XMaxClipGuardband,
81                                       &sfv.YMinClipGuardband,
82                                       &sfv.YMaxClipGuardband);
83       }
84 
85       GENX(SF_CLIP_VIEWPORT_pack)(NULL, sf_clip_state.map + i * 64, &sfv);
86    }
87 
88    anv_batch_emit(&cmd_buffer->batch,
89                   GENX(3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP), clip) {
90       clip.SFClipViewportPointer = sf_clip_state.offset;
91    }
92 }
93 
94 void
gen8_cmd_buffer_emit_depth_viewport(struct anv_cmd_buffer * cmd_buffer,bool depth_clamp_enable)95 gen8_cmd_buffer_emit_depth_viewport(struct anv_cmd_buffer *cmd_buffer,
96                                     bool depth_clamp_enable)
97 {
98    uint32_t count = cmd_buffer->state.gfx.dynamic.viewport.count;
99    const VkViewport *viewports =
100       cmd_buffer->state.gfx.dynamic.viewport.viewports;
101    struct anv_state cc_state =
102       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, count * 8, 32);
103 
104    for (uint32_t i = 0; i < count; i++) {
105       const VkViewport *vp = &viewports[i];
106 
107       /* From the Vulkan spec:
108        *
109        *    "It is valid for minDepth to be greater than or equal to
110        *    maxDepth."
111        */
112       float min_depth = MIN2(vp->minDepth, vp->maxDepth);
113       float max_depth = MAX2(vp->minDepth, vp->maxDepth);
114 
115       struct GENX(CC_VIEWPORT) cc_viewport = {
116          .MinimumDepth = depth_clamp_enable ? min_depth : 0.0f,
117          .MaximumDepth = depth_clamp_enable ? max_depth : 1.0f,
118       };
119 
120       GENX(CC_VIEWPORT_pack)(NULL, cc_state.map + i * 8, &cc_viewport);
121    }
122 
123    anv_batch_emit(&cmd_buffer->batch,
124                   GENX(3DSTATE_VIEWPORT_STATE_POINTERS_CC), cc) {
125       cc.CCViewportPointer = cc_state.offset;
126    }
127 }
128 #endif
129 
130 void
genX(cmd_buffer_enable_pma_fix)131 genX(cmd_buffer_enable_pma_fix)(struct anv_cmd_buffer *cmd_buffer, bool enable)
132 {
133    if (cmd_buffer->state.pma_fix_enabled == enable)
134       return;
135 
136    cmd_buffer->state.pma_fix_enabled = enable;
137 
138    /* According to the Broadwell PIPE_CONTROL documentation, software should
139     * emit a PIPE_CONTROL with the CS Stall and Depth Cache Flush bits set
140     * prior to the LRI.  If stencil buffer writes are enabled, then a Render
141     * Cache Flush is also necessary.
142     *
143     * The Skylake docs say to use a depth stall rather than a command
144     * streamer stall.  However, the hardware seems to violently disagree.
145     * A full command streamer stall seems to be needed in both cases.
146     */
147    anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
148       pc.DepthCacheFlushEnable = true;
149       pc.CommandStreamerStallEnable = true;
150       pc.RenderTargetCacheFlushEnable = true;
151 #if GEN_GEN >= 12
152       pc.TileCacheFlushEnable = true;
153 
154       /* GEN:BUG:1409600907: "PIPE_CONTROL with Depth Stall Enable bit must
155        * be set with any PIPE_CONTROL with Depth Flush Enable bit set.
156        */
157       pc.DepthStallEnable = true;
158 #endif
159    }
160 
161 #if GEN_GEN == 9
162 
163    uint32_t cache_mode;
164    anv_pack_struct(&cache_mode, GENX(CACHE_MODE_0),
165                    .STCPMAOptimizationEnable = enable,
166                    .STCPMAOptimizationEnableMask = true);
167    anv_batch_emit(&cmd_buffer->batch, GENX(MI_LOAD_REGISTER_IMM), lri) {
168       lri.RegisterOffset   = GENX(CACHE_MODE_0_num);
169       lri.DataDWord        = cache_mode;
170    }
171 
172 #elif GEN_GEN == 8
173 
174    uint32_t cache_mode;
175    anv_pack_struct(&cache_mode, GENX(CACHE_MODE_1),
176                    .NPPMAFixEnable = enable,
177                    .NPEarlyZFailsDisable = enable,
178                    .NPPMAFixEnableMask = true,
179                    .NPEarlyZFailsDisableMask = true);
180    anv_batch_emit(&cmd_buffer->batch, GENX(MI_LOAD_REGISTER_IMM), lri) {
181       lri.RegisterOffset   = GENX(CACHE_MODE_1_num);
182       lri.DataDWord        = cache_mode;
183    }
184 
185 #endif /* GEN_GEN == 8 */
186 
187    /* After the LRI, a PIPE_CONTROL with both the Depth Stall and Depth Cache
188     * Flush bits is often necessary.  We do it regardless because it's easier.
189     * The render cache flush is also necessary if stencil writes are enabled.
190     *
191     * Again, the Skylake docs give a different set of flushes but the BDW
192     * flushes seem to work just as well.
193     */
194    anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
195       pc.DepthStallEnable = true;
196       pc.DepthCacheFlushEnable = true;
197       pc.RenderTargetCacheFlushEnable = true;
198 #if GEN_GEN >= 12
199       pc.TileCacheFlushEnable = true;
200 #endif
201    }
202 }
203 
204 UNUSED static bool
want_depth_pma_fix(struct anv_cmd_buffer * cmd_buffer)205 want_depth_pma_fix(struct anv_cmd_buffer *cmd_buffer)
206 {
207    assert(GEN_GEN == 8);
208 
209    /* From the Broadwell PRM Vol. 2c CACHE_MODE_1::NP_PMA_FIX_ENABLE:
210     *
211     *    SW must set this bit in order to enable this fix when following
212     *    expression is TRUE.
213     *
214     *    3DSTATE_WM::ForceThreadDispatch != 1 &&
215     *    !(3DSTATE_RASTER::ForceSampleCount != NUMRASTSAMPLES_0) &&
216     *    (3DSTATE_DEPTH_BUFFER::SURFACE_TYPE != NULL) &&
217     *    (3DSTATE_DEPTH_BUFFER::HIZ Enable) &&
218     *    !(3DSTATE_WM::EDSC_Mode == EDSC_PREPS) &&
219     *    (3DSTATE_PS_EXTRA::PixelShaderValid) &&
220     *    !(3DSTATE_WM_HZ_OP::DepthBufferClear ||
221     *      3DSTATE_WM_HZ_OP::DepthBufferResolve ||
222     *      3DSTATE_WM_HZ_OP::Hierarchical Depth Buffer Resolve Enable ||
223     *      3DSTATE_WM_HZ_OP::StencilBufferClear) &&
224     *    (3DSTATE_WM_DEPTH_STENCIL::DepthTestEnable) &&
225     *    (((3DSTATE_PS_EXTRA::PixelShaderKillsPixels ||
226     *       3DSTATE_PS_EXTRA::oMask Present to RenderTarget ||
227     *       3DSTATE_PS_BLEND::AlphaToCoverageEnable ||
228     *       3DSTATE_PS_BLEND::AlphaTestEnable ||
229     *       3DSTATE_WM_CHROMAKEY::ChromaKeyKillEnable) &&
230     *      3DSTATE_WM::ForceKillPix != ForceOff &&
231     *      ((3DSTATE_WM_DEPTH_STENCIL::DepthWriteEnable &&
232     *        3DSTATE_DEPTH_BUFFER::DEPTH_WRITE_ENABLE) ||
233     *       (3DSTATE_WM_DEPTH_STENCIL::Stencil Buffer Write Enable &&
234     *        3DSTATE_DEPTH_BUFFER::STENCIL_WRITE_ENABLE &&
235     *        3DSTATE_STENCIL_BUFFER::STENCIL_BUFFER_ENABLE))) ||
236     *     (3DSTATE_PS_EXTRA:: Pixel Shader Computed Depth mode != PSCDEPTH_OFF))
237     */
238 
239    /* These are always true:
240     *    3DSTATE_WM::ForceThreadDispatch != 1 &&
241     *    !(3DSTATE_RASTER::ForceSampleCount != NUMRASTSAMPLES_0)
242     */
243 
244    /* We only enable the PMA fix if we know for certain that HiZ is enabled.
245     * If we don't know whether HiZ is enabled or not, we disable the PMA fix
246     * and there is no harm.
247     *
248     * (3DSTATE_DEPTH_BUFFER::SURFACE_TYPE != NULL) &&
249     * 3DSTATE_DEPTH_BUFFER::HIZ Enable
250     */
251    if (!cmd_buffer->state.hiz_enabled)
252       return false;
253 
254    /* 3DSTATE_PS_EXTRA::PixelShaderValid */
255    struct anv_graphics_pipeline *pipeline = cmd_buffer->state.gfx.pipeline;
256    if (!anv_pipeline_has_stage(pipeline, MESA_SHADER_FRAGMENT))
257       return false;
258 
259    /* !(3DSTATE_WM::EDSC_Mode == EDSC_PREPS) */
260    const struct brw_wm_prog_data *wm_prog_data = get_wm_prog_data(pipeline);
261    if (wm_prog_data->early_fragment_tests)
262       return false;
263 
264    /* We never use anv_pipeline for HiZ ops so this is trivially true:
265     *    !(3DSTATE_WM_HZ_OP::DepthBufferClear ||
266     *      3DSTATE_WM_HZ_OP::DepthBufferResolve ||
267     *      3DSTATE_WM_HZ_OP::Hierarchical Depth Buffer Resolve Enable ||
268     *      3DSTATE_WM_HZ_OP::StencilBufferClear)
269     */
270 
271    /* 3DSTATE_WM_DEPTH_STENCIL::DepthTestEnable */
272    if (!pipeline->depth_test_enable)
273       return false;
274 
275    /* (((3DSTATE_PS_EXTRA::PixelShaderKillsPixels ||
276     *    3DSTATE_PS_EXTRA::oMask Present to RenderTarget ||
277     *    3DSTATE_PS_BLEND::AlphaToCoverageEnable ||
278     *    3DSTATE_PS_BLEND::AlphaTestEnable ||
279     *    3DSTATE_WM_CHROMAKEY::ChromaKeyKillEnable) &&
280     *   3DSTATE_WM::ForceKillPix != ForceOff &&
281     *   ((3DSTATE_WM_DEPTH_STENCIL::DepthWriteEnable &&
282     *     3DSTATE_DEPTH_BUFFER::DEPTH_WRITE_ENABLE) ||
283     *    (3DSTATE_WM_DEPTH_STENCIL::Stencil Buffer Write Enable &&
284     *     3DSTATE_DEPTH_BUFFER::STENCIL_WRITE_ENABLE &&
285     *     3DSTATE_STENCIL_BUFFER::STENCIL_BUFFER_ENABLE))) ||
286     *  (3DSTATE_PS_EXTRA:: Pixel Shader Computed Depth mode != PSCDEPTH_OFF))
287     */
288    return (pipeline->kill_pixel && (pipeline->writes_depth ||
289                                     pipeline->writes_stencil)) ||
290           wm_prog_data->computed_depth_mode != PSCDEPTH_OFF;
291 }
292 
293 UNUSED static bool
want_stencil_pma_fix(struct anv_cmd_buffer * cmd_buffer)294 want_stencil_pma_fix(struct anv_cmd_buffer *cmd_buffer)
295 {
296    if (GEN_GEN > 9)
297       return false;
298    assert(GEN_GEN == 9);
299 
300    /* From the Skylake PRM Vol. 2c CACHE_MODE_1::STC PMA Optimization Enable:
301     *
302     *    Clearing this bit will force the STC cache to wait for pending
303     *    retirement of pixels at the HZ-read stage and do the STC-test for
304     *    Non-promoted, R-computed and Computed depth modes instead of
305     *    postponing the STC-test to RCPFE.
306     *
307     *    STC_TEST_EN = 3DSTATE_STENCIL_BUFFER::STENCIL_BUFFER_ENABLE &&
308     *                  3DSTATE_WM_DEPTH_STENCIL::StencilTestEnable
309     *
310     *    STC_WRITE_EN = 3DSTATE_STENCIL_BUFFER::STENCIL_BUFFER_ENABLE &&
311     *                   (3DSTATE_WM_DEPTH_STENCIL::Stencil Buffer Write Enable &&
312     *                    3DSTATE_DEPTH_BUFFER::STENCIL_WRITE_ENABLE)
313     *
314     *    COMP_STC_EN = STC_TEST_EN &&
315     *                  3DSTATE_PS_EXTRA::PixelShaderComputesStencil
316     *
317     *    SW parses the pipeline states to generate the following logical
318     *    signal indicating if PMA FIX can be enabled.
319     *
320     *    STC_PMA_OPT =
321     *       3DSTATE_WM::ForceThreadDispatch != 1 &&
322     *       !(3DSTATE_RASTER::ForceSampleCount != NUMRASTSAMPLES_0) &&
323     *       3DSTATE_DEPTH_BUFFER::SURFACE_TYPE != NULL &&
324     *       3DSTATE_DEPTH_BUFFER::HIZ Enable &&
325     *       !(3DSTATE_WM::EDSC_Mode == 2) &&
326     *       3DSTATE_PS_EXTRA::PixelShaderValid &&
327     *       !(3DSTATE_WM_HZ_OP::DepthBufferClear ||
328     *         3DSTATE_WM_HZ_OP::DepthBufferResolve ||
329     *         3DSTATE_WM_HZ_OP::Hierarchical Depth Buffer Resolve Enable ||
330     *         3DSTATE_WM_HZ_OP::StencilBufferClear) &&
331     *       (COMP_STC_EN || STC_WRITE_EN) &&
332     *       ((3DSTATE_PS_EXTRA::PixelShaderKillsPixels ||
333     *         3DSTATE_WM::ForceKillPix == ON ||
334     *         3DSTATE_PS_EXTRA::oMask Present to RenderTarget ||
335     *         3DSTATE_PS_BLEND::AlphaToCoverageEnable ||
336     *         3DSTATE_PS_BLEND::AlphaTestEnable ||
337     *         3DSTATE_WM_CHROMAKEY::ChromaKeyKillEnable) ||
338     *        (3DSTATE_PS_EXTRA::Pixel Shader Computed Depth mode != PSCDEPTH_OFF))
339     */
340 
341    /* These are always true:
342     *    3DSTATE_WM::ForceThreadDispatch != 1 &&
343     *    !(3DSTATE_RASTER::ForceSampleCount != NUMRASTSAMPLES_0)
344     */
345 
346    /* We only enable the PMA fix if we know for certain that HiZ is enabled.
347     * If we don't know whether HiZ is enabled or not, we disable the PMA fix
348     * and there is no harm.
349     *
350     * (3DSTATE_DEPTH_BUFFER::SURFACE_TYPE != NULL) &&
351     * 3DSTATE_DEPTH_BUFFER::HIZ Enable
352     */
353    if (!cmd_buffer->state.hiz_enabled)
354       return false;
355 
356    /* We can't possibly know if HiZ is enabled without the framebuffer */
357    assert(cmd_buffer->state.framebuffer);
358 
359    /* HiZ is enabled so we had better have a depth buffer with HiZ */
360    const struct anv_image_view *ds_iview =
361       anv_cmd_buffer_get_depth_stencil_view(cmd_buffer);
362    assert(ds_iview && ds_iview->image->planes[0].aux_usage == ISL_AUX_USAGE_HIZ);
363 
364    /* 3DSTATE_PS_EXTRA::PixelShaderValid */
365    struct anv_graphics_pipeline *pipeline = cmd_buffer->state.gfx.pipeline;
366    if (!anv_pipeline_has_stage(pipeline, MESA_SHADER_FRAGMENT))
367       return false;
368 
369    /* !(3DSTATE_WM::EDSC_Mode == 2) */
370    const struct brw_wm_prog_data *wm_prog_data = get_wm_prog_data(pipeline);
371    if (wm_prog_data->early_fragment_tests)
372       return false;
373 
374    /* We never use anv_pipeline for HiZ ops so this is trivially true:
375    *    !(3DSTATE_WM_HZ_OP::DepthBufferClear ||
376     *      3DSTATE_WM_HZ_OP::DepthBufferResolve ||
377     *      3DSTATE_WM_HZ_OP::Hierarchical Depth Buffer Resolve Enable ||
378     *      3DSTATE_WM_HZ_OP::StencilBufferClear)
379     */
380 
381    /* 3DSTATE_STENCIL_BUFFER::STENCIL_BUFFER_ENABLE &&
382     * 3DSTATE_WM_DEPTH_STENCIL::StencilTestEnable
383     */
384    const bool stc_test_en =
385       (ds_iview->image->aspects & VK_IMAGE_ASPECT_STENCIL_BIT) &&
386       pipeline->stencil_test_enable;
387 
388    /* 3DSTATE_STENCIL_BUFFER::STENCIL_BUFFER_ENABLE &&
389     * (3DSTATE_WM_DEPTH_STENCIL::Stencil Buffer Write Enable &&
390     *  3DSTATE_DEPTH_BUFFER::STENCIL_WRITE_ENABLE)
391     */
392    const bool stc_write_en =
393       (ds_iview->image->aspects & VK_IMAGE_ASPECT_STENCIL_BIT) &&
394       (cmd_buffer->state.gfx.dynamic.stencil_write_mask.front ||
395        cmd_buffer->state.gfx.dynamic.stencil_write_mask.back) &&
396       pipeline->writes_stencil;
397 
398    /* STC_TEST_EN && 3DSTATE_PS_EXTRA::PixelShaderComputesStencil */
399    const bool comp_stc_en = stc_test_en && wm_prog_data->computed_stencil;
400 
401    /* COMP_STC_EN || STC_WRITE_EN */
402    if (!(comp_stc_en || stc_write_en))
403       return false;
404 
405    /* (3DSTATE_PS_EXTRA::PixelShaderKillsPixels ||
406     *  3DSTATE_WM::ForceKillPix == ON ||
407     *  3DSTATE_PS_EXTRA::oMask Present to RenderTarget ||
408     *  3DSTATE_PS_BLEND::AlphaToCoverageEnable ||
409     *  3DSTATE_PS_BLEND::AlphaTestEnable ||
410     *  3DSTATE_WM_CHROMAKEY::ChromaKeyKillEnable) ||
411     * (3DSTATE_PS_EXTRA::Pixel Shader Computed Depth mode != PSCDEPTH_OFF)
412     */
413    return pipeline->kill_pixel ||
414           wm_prog_data->computed_depth_mode != PSCDEPTH_OFF;
415 }
416 
417 void
genX(cmd_buffer_flush_dynamic_state)418 genX(cmd_buffer_flush_dynamic_state)(struct anv_cmd_buffer *cmd_buffer)
419 {
420    struct anv_graphics_pipeline *pipeline = cmd_buffer->state.gfx.pipeline;
421    struct anv_dynamic_state *d = &cmd_buffer->state.gfx.dynamic;
422 
423    if (cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
424                                       ANV_CMD_DIRTY_DYNAMIC_LINE_WIDTH)) {
425       uint32_t sf_dw[GENX(3DSTATE_SF_length)];
426       struct GENX(3DSTATE_SF) sf = {
427          GENX(3DSTATE_SF_header),
428       };
429 #if GEN_GEN == 8
430       if (cmd_buffer->device->info.is_cherryview) {
431          sf.CHVLineWidth = d->line_width;
432       } else {
433          sf.LineWidth = d->line_width;
434       }
435 #else
436       sf.LineWidth = d->line_width,
437 #endif
438       GENX(3DSTATE_SF_pack)(NULL, sf_dw, &sf);
439       anv_batch_emit_merge(&cmd_buffer->batch, sf_dw, pipeline->gen8.sf);
440    }
441 
442    if (cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
443                                       ANV_CMD_DIRTY_DYNAMIC_DEPTH_BIAS |
444                                       ANV_CMD_DIRTY_DYNAMIC_CULL_MODE |
445                                       ANV_CMD_DIRTY_DYNAMIC_FRONT_FACE)) {
446       uint32_t raster_dw[GENX(3DSTATE_RASTER_length)];
447       struct GENX(3DSTATE_RASTER) raster = {
448          GENX(3DSTATE_RASTER_header),
449          .GlobalDepthOffsetConstant = d->depth_bias.bias,
450          .GlobalDepthOffsetScale = d->depth_bias.slope,
451          .GlobalDepthOffsetClamp = d->depth_bias.clamp,
452          .CullMode = genX(vk_to_gen_cullmode)[d->cull_mode],
453          .FrontWinding = genX(vk_to_gen_front_face)[d->front_face],
454       };
455       GENX(3DSTATE_RASTER_pack)(NULL, raster_dw, &raster);
456       anv_batch_emit_merge(&cmd_buffer->batch, raster_dw,
457                            pipeline->gen8.raster);
458    }
459 
460    /* Stencil reference values moved from COLOR_CALC_STATE in gen8 to
461     * 3DSTATE_WM_DEPTH_STENCIL in gen9. That means the dirty bits gets split
462     * across different state packets for gen8 and gen9. We handle that by
463     * using a big old #if switch here.
464     */
465 #if GEN_GEN == 8
466    if (cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_DYNAMIC_BLEND_CONSTANTS |
467                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_REFERENCE)) {
468       struct anv_state cc_state =
469          anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
470                                             GENX(COLOR_CALC_STATE_length) * 4,
471                                             64);
472       struct GENX(COLOR_CALC_STATE) cc = {
473          .BlendConstantColorRed = d->blend_constants[0],
474          .BlendConstantColorGreen = d->blend_constants[1],
475          .BlendConstantColorBlue = d->blend_constants[2],
476          .BlendConstantColorAlpha = d->blend_constants[3],
477          .StencilReferenceValue = d->stencil_reference.front & 0xff,
478          .BackfaceStencilReferenceValue = d->stencil_reference.back & 0xff,
479       };
480       GENX(COLOR_CALC_STATE_pack)(NULL, cc_state.map, &cc);
481 
482       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_CC_STATE_POINTERS), ccp) {
483          ccp.ColorCalcStatePointer        = cc_state.offset;
484          ccp.ColorCalcStatePointerValid   = true;
485       }
486    }
487 
488    if (cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
489                                       ANV_CMD_DIRTY_RENDER_TARGETS |
490                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_COMPARE_MASK |
491                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_WRITE_MASK |
492                                       ANV_CMD_DIRTY_DYNAMIC_DEPTH_TEST_ENABLE |
493                                       ANV_CMD_DIRTY_DYNAMIC_DEPTH_WRITE_ENABLE |
494                                       ANV_CMD_DIRTY_DYNAMIC_DEPTH_COMPARE_OP |
495                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_TEST_ENABLE |
496                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_OP)) {
497       uint32_t wm_depth_stencil_dw[GENX(3DSTATE_WM_DEPTH_STENCIL_length)];
498 
499       struct GENX(3DSTATE_WM_DEPTH_STENCIL wm_depth_stencil) = {
500          GENX(3DSTATE_WM_DEPTH_STENCIL_header),
501 
502          .StencilTestMask = d->stencil_compare_mask.front & 0xff,
503          .StencilWriteMask = d->stencil_write_mask.front & 0xff,
504 
505          .BackfaceStencilTestMask = d->stencil_compare_mask.back & 0xff,
506          .BackfaceStencilWriteMask = d->stencil_write_mask.back & 0xff,
507 
508          .StencilBufferWriteEnable =
509             (d->stencil_write_mask.front || d->stencil_write_mask.back) &&
510             d->stencil_test_enable,
511 
512          .DepthTestEnable = d->depth_test_enable,
513          .DepthBufferWriteEnable = d->depth_test_enable && d->depth_write_enable,
514          .DepthTestFunction = genX(vk_to_gen_compare_op)[d->depth_compare_op],
515          .StencilTestEnable = d->stencil_test_enable,
516          .StencilFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.front.fail_op],
517          .StencilPassDepthPassOp = genX(vk_to_gen_stencil_op)[d->stencil_op.front.pass_op],
518          .StencilPassDepthFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.front.depth_fail_op],
519          .StencilTestFunction = genX(vk_to_gen_compare_op)[d->stencil_op.front.compare_op],
520          .BackfaceStencilFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.back.fail_op],
521          .BackfaceStencilPassDepthPassOp = genX(vk_to_gen_stencil_op)[d->stencil_op.back.pass_op],
522          .BackfaceStencilPassDepthFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.back.depth_fail_op],
523          .BackfaceStencilTestFunction = genX(vk_to_gen_compare_op)[d->stencil_op.back.compare_op],
524       };
525       GENX(3DSTATE_WM_DEPTH_STENCIL_pack)(NULL, wm_depth_stencil_dw,
526                                           &wm_depth_stencil);
527 
528       anv_batch_emit_merge(&cmd_buffer->batch, wm_depth_stencil_dw,
529                            pipeline->gen8.wm_depth_stencil);
530 
531       genX(cmd_buffer_enable_pma_fix)(cmd_buffer,
532                                       want_depth_pma_fix(cmd_buffer));
533    }
534 #else
535    if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_DYNAMIC_BLEND_CONSTANTS) {
536       struct anv_state cc_state =
537          anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
538                                             GENX(COLOR_CALC_STATE_length) * 4,
539                                             64);
540       struct GENX(COLOR_CALC_STATE) cc = {
541          .BlendConstantColorRed = d->blend_constants[0],
542          .BlendConstantColorGreen = d->blend_constants[1],
543          .BlendConstantColorBlue = d->blend_constants[2],
544          .BlendConstantColorAlpha = d->blend_constants[3],
545       };
546       GENX(COLOR_CALC_STATE_pack)(NULL, cc_state.map, &cc);
547 
548       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_CC_STATE_POINTERS), ccp) {
549          ccp.ColorCalcStatePointer = cc_state.offset;
550          ccp.ColorCalcStatePointerValid = true;
551       }
552    }
553 
554    if (cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
555                                       ANV_CMD_DIRTY_RENDER_TARGETS |
556                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_COMPARE_MASK |
557                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_WRITE_MASK |
558                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_REFERENCE |
559                                       ANV_CMD_DIRTY_DYNAMIC_DEPTH_TEST_ENABLE |
560                                       ANV_CMD_DIRTY_DYNAMIC_DEPTH_WRITE_ENABLE |
561                                       ANV_CMD_DIRTY_DYNAMIC_DEPTH_COMPARE_OP |
562                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_TEST_ENABLE |
563                                       ANV_CMD_DIRTY_DYNAMIC_STENCIL_OP)) {
564       uint32_t dwords[GENX(3DSTATE_WM_DEPTH_STENCIL_length)];
565       struct GENX(3DSTATE_WM_DEPTH_STENCIL) wm_depth_stencil = {
566          GENX(3DSTATE_WM_DEPTH_STENCIL_header),
567 
568          .StencilTestMask = d->stencil_compare_mask.front & 0xff,
569          .StencilWriteMask = d->stencil_write_mask.front & 0xff,
570 
571          .BackfaceStencilTestMask = d->stencil_compare_mask.back & 0xff,
572          .BackfaceStencilWriteMask = d->stencil_write_mask.back & 0xff,
573 
574          .StencilReferenceValue = d->stencil_reference.front & 0xff,
575          .BackfaceStencilReferenceValue = d->stencil_reference.back & 0xff,
576 
577          .StencilBufferWriteEnable =
578             (d->stencil_write_mask.front || d->stencil_write_mask.back) &&
579             d->stencil_test_enable,
580 
581          .DepthTestEnable = d->depth_test_enable,
582          .DepthBufferWriteEnable = d->depth_test_enable && d->depth_write_enable,
583          .DepthTestFunction = genX(vk_to_gen_compare_op)[d->depth_compare_op],
584          .StencilTestEnable = d->stencil_test_enable,
585          .StencilFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.front.fail_op],
586          .StencilPassDepthPassOp = genX(vk_to_gen_stencil_op)[d->stencil_op.front.pass_op],
587          .StencilPassDepthFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.front.depth_fail_op],
588          .StencilTestFunction = genX(vk_to_gen_compare_op)[d->stencil_op.front.compare_op],
589          .BackfaceStencilFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.back.fail_op],
590          .BackfaceStencilPassDepthPassOp = genX(vk_to_gen_stencil_op)[d->stencil_op.back.pass_op],
591          .BackfaceStencilPassDepthFailOp = genX(vk_to_gen_stencil_op)[d->stencil_op.back.depth_fail_op],
592          .BackfaceStencilTestFunction = genX(vk_to_gen_compare_op)[d->stencil_op.back.compare_op],
593 
594       };
595       GENX(3DSTATE_WM_DEPTH_STENCIL_pack)(NULL, dwords, &wm_depth_stencil);
596 
597       anv_batch_emit_merge(&cmd_buffer->batch, dwords,
598                            pipeline->gen9.wm_depth_stencil);
599 
600       genX(cmd_buffer_enable_pma_fix)(cmd_buffer,
601                                       want_stencil_pma_fix(cmd_buffer));
602    }
603 #endif
604 
605 #if GEN_GEN >= 12
606    if(cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
607                                      ANV_CMD_DIRTY_DYNAMIC_DEPTH_BOUNDS |
608                                      ANV_CMD_DIRTY_DYNAMIC_DEPTH_BOUNDS_TEST_ENABLE)) {
609       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_DEPTH_BOUNDS), db) {
610          db.DepthBoundsTestValueModifyDisable = false;
611          db.DepthBoundsTestEnableModifyDisable = false;
612          db.DepthBoundsTestEnable = d->depth_bounds_test_enable;
613          db.DepthBoundsTestMinValue = d->depth_bounds.min;
614          db.DepthBoundsTestMaxValue = d->depth_bounds.max;
615       }
616    }
617 #endif
618 
619    if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_DYNAMIC_LINE_STIPPLE) {
620       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_LINE_STIPPLE), ls) {
621          ls.LineStipplePattern = d->line_stipple.pattern;
622          ls.LineStippleInverseRepeatCount =
623             1.0f / MAX2(1, d->line_stipple.factor);
624          ls.LineStippleRepeatCount = d->line_stipple.factor;
625       }
626    }
627 
628    if (cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
629                                       ANV_CMD_DIRTY_INDEX_BUFFER)) {
630       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_VF), vf) {
631          vf.IndexedDrawCutIndexEnable  = pipeline->primitive_restart;
632          vf.CutIndex                   = cmd_buffer->state.restart_index;
633       }
634    }
635 
636    if (cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
637                                       ANV_CMD_DIRTY_DYNAMIC_PRIMITIVE_TOPOLOGY)) {
638       uint32_t topology;
639       if (anv_pipeline_has_stage(pipeline, MESA_SHADER_TESS_EVAL))
640          topology = d->primitive_topology;
641       else
642          topology = genX(vk_to_gen_primitive_type)[d->primitive_topology];
643 
644       cmd_buffer->state.gfx.primitive_topology = topology;
645 
646       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_VF_TOPOLOGY), vft) {
647          vft.PrimitiveTopologyType = topology;
648       }
649    }
650 
651    cmd_buffer->state.gfx.dirty = 0;
652 }
653 
vk_to_gen_index_type(VkIndexType type)654 static uint32_t vk_to_gen_index_type(VkIndexType type)
655 {
656    switch (type) {
657    case VK_INDEX_TYPE_UINT8_EXT:
658       return INDEX_BYTE;
659    case VK_INDEX_TYPE_UINT16:
660       return INDEX_WORD;
661    case VK_INDEX_TYPE_UINT32:
662       return INDEX_DWORD;
663    default:
664       unreachable("invalid index type");
665    }
666 }
667 
restart_index_for_type(VkIndexType type)668 static uint32_t restart_index_for_type(VkIndexType type)
669 {
670    switch (type) {
671    case VK_INDEX_TYPE_UINT8_EXT:
672       return UINT8_MAX;
673    case VK_INDEX_TYPE_UINT16:
674       return UINT16_MAX;
675    case VK_INDEX_TYPE_UINT32:
676       return UINT32_MAX;
677    default:
678       unreachable("invalid index type");
679    }
680 }
681 
genX(CmdBindIndexBuffer)682 void genX(CmdBindIndexBuffer)(
683     VkCommandBuffer                             commandBuffer,
684     VkBuffer                                    _buffer,
685     VkDeviceSize                                offset,
686     VkIndexType                                 indexType)
687 {
688    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
689    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
690 
691    cmd_buffer->state.restart_index = restart_index_for_type(indexType);
692 
693    anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_INDEX_BUFFER), ib) {
694       ib.IndexFormat           = vk_to_gen_index_type(indexType);
695       ib.MOCS                  = anv_mocs(cmd_buffer->device,
696                                           buffer->address.bo,
697                                           ISL_SURF_USAGE_INDEX_BUFFER_BIT);
698       ib.BufferStartingAddress = anv_address_add(buffer->address, offset);
699       ib.BufferSize            = buffer->size - offset;
700    }
701 
702    cmd_buffer->state.gfx.dirty |= ANV_CMD_DIRTY_INDEX_BUFFER;
703 }
704