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#include "vk_format.h"
32
33#include "genxml/gen_macros.h"
34#include "genxml/genX_pack.h"
35
36static uint32_t
37get_depth_format(struct anv_cmd_buffer *cmd_buffer)
38{
39   struct anv_cmd_graphics_state *gfx = &cmd_buffer->state.gfx;
40
41   switch (gfx->depth_att.vk_format) {
42   case VK_FORMAT_D16_UNORM:
43   case VK_FORMAT_D16_UNORM_S8_UINT:
44      return D16_UNORM;
45
46   case VK_FORMAT_X8_D24_UNORM_PACK32:
47   case VK_FORMAT_D24_UNORM_S8_UINT:
48      return D24_UNORM_X8_UINT;
49
50   case VK_FORMAT_D32_SFLOAT:
51   case VK_FORMAT_D32_SFLOAT_S8_UINT:
52      return D32_FLOAT;
53
54   default:
55      return D16_UNORM;
56   }
57}
58
59void
60genX(cmd_buffer_flush_dynamic_state)(struct anv_cmd_buffer *cmd_buffer)
61{
62   struct anv_graphics_pipeline *pipeline = cmd_buffer->state.gfx.pipeline;
63   const struct vk_dynamic_graphics_state *dyn =
64      &cmd_buffer->vk.dynamic_graphics_state;
65
66   if ((cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
67                                       ANV_CMD_DIRTY_RENDER_TARGETS)) ||
68       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_IA_PRIMITIVE_TOPOLOGY) ||
69       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_RS_CULL_MODE) ||
70       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_RS_FRONT_FACE) ||
71       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_RS_DEPTH_BIAS_ENABLE) ||
72       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_RS_DEPTH_BIAS_FACTORS) ||
73       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_RS_LINE_WIDTH)) {
74      /* Take dynamic primitive topology in to account with
75       *    3DSTATE_SF::MultisampleRasterizationMode
76       */
77      VkPolygonMode dynamic_raster_mode =
78         genX(raster_polygon_mode)(cmd_buffer->state.gfx.pipeline,
79                                   dyn->ia.primitive_topology);
80      uint32_t ms_rast_mode =
81         genX(ms_rasterization_mode)(pipeline, dynamic_raster_mode);
82
83      bool aa_enable = anv_rasterization_aa_mode(dynamic_raster_mode,
84                                                 pipeline->line_mode);
85
86      uint32_t sf_dw[GENX(3DSTATE_SF_length)];
87      struct GENX(3DSTATE_SF) sf = {
88         GENX(3DSTATE_SF_header),
89         .DepthBufferSurfaceFormat = get_depth_format(cmd_buffer),
90         .LineWidth = dyn->rs.line.width,
91         .AntialiasingEnable = aa_enable,
92         .CullMode     = genX(vk_to_intel_cullmode)[dyn->rs.cull_mode],
93         .FrontWinding = genX(vk_to_intel_front_face)[dyn->rs.front_face],
94         .MultisampleRasterizationMode = ms_rast_mode,
95         .GlobalDepthOffsetEnableSolid       = dyn->rs.depth_bias.enable,
96         .GlobalDepthOffsetEnableWireframe   = dyn->rs.depth_bias.enable,
97         .GlobalDepthOffsetEnablePoint       = dyn->rs.depth_bias.enable,
98         .GlobalDepthOffsetConstant          = dyn->rs.depth_bias.constant,
99         .GlobalDepthOffsetScale             = dyn->rs.depth_bias.slope,
100         .GlobalDepthOffsetClamp             = dyn->rs.depth_bias.clamp,
101      };
102      GENX(3DSTATE_SF_pack)(NULL, sf_dw, &sf);
103
104      anv_batch_emit_merge(&cmd_buffer->batch, sf_dw, pipeline->gfx7.sf);
105   }
106
107   if (BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_STENCIL_REFERENCE) ||
108       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_CB_BLEND_CONSTANTS)) {
109      struct anv_state cc_state =
110         anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
111                                            GENX(COLOR_CALC_STATE_length) * 4,
112                                            64);
113      struct GENX(COLOR_CALC_STATE) cc = {
114         .BlendConstantColorRed = dyn->cb.blend_constants[0],
115         .BlendConstantColorGreen = dyn->cb.blend_constants[1],
116         .BlendConstantColorBlue = dyn->cb.blend_constants[2],
117         .BlendConstantColorAlpha = dyn->cb.blend_constants[3],
118         .StencilReferenceValue = dyn->ds.stencil.front.reference & 0xff,
119         .BackfaceStencilReferenceValue = dyn->ds.stencil.back.reference & 0xff,
120      };
121      GENX(COLOR_CALC_STATE_pack)(NULL, cc_state.map, &cc);
122
123      anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_CC_STATE_POINTERS), ccp) {
124         ccp.ColorCalcStatePointer = cc_state.offset;
125      }
126   }
127
128   if (BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_RS_LINE_STIPPLE)) {
129      anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_LINE_STIPPLE), ls) {
130         ls.LineStipplePattern = dyn->rs.line.stipple.pattern;
131         ls.LineStippleInverseRepeatCount =
132            1.0f / MAX2(1, dyn->rs.line.stipple.factor);
133         ls.LineStippleRepeatCount = dyn->rs.line.stipple.factor;
134      }
135   }
136
137   if ((cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
138                                       ANV_CMD_DIRTY_RENDER_TARGETS)) ||
139       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_DEPTH_TEST_ENABLE) ||
140       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_DEPTH_WRITE_ENABLE) ||
141       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_DEPTH_COMPARE_OP) ||
142       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_STENCIL_TEST_ENABLE) ||
143       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_STENCIL_OP) ||
144       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_STENCIL_COMPARE_MASK) ||
145       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_DS_STENCIL_WRITE_MASK)) {
146      uint32_t depth_stencil_dw[GENX(DEPTH_STENCIL_STATE_length)];
147
148      VkImageAspectFlags ds_aspects = 0;
149      if (cmd_buffer->state.gfx.depth_att.vk_format != VK_FORMAT_UNDEFINED)
150         ds_aspects |= VK_IMAGE_ASPECT_DEPTH_BIT;
151      if (cmd_buffer->state.gfx.stencil_att.vk_format != VK_FORMAT_UNDEFINED)
152         ds_aspects |= VK_IMAGE_ASPECT_STENCIL_BIT;
153
154      struct vk_depth_stencil_state opt_ds = dyn->ds;
155      vk_optimize_depth_stencil_state(&opt_ds, ds_aspects, true);
156
157      struct GENX(DEPTH_STENCIL_STATE) depth_stencil = {
158         .DoubleSidedStencilEnable = true,
159
160         .StencilTestMask = opt_ds.stencil.front.compare_mask & 0xff,
161         .StencilWriteMask = opt_ds.stencil.front.write_mask & 0xff,
162
163         .BackfaceStencilTestMask = opt_ds.stencil.back.compare_mask & 0xff,
164         .BackfaceStencilWriteMask = opt_ds.stencil.back.write_mask & 0xff,
165
166         .DepthTestEnable = opt_ds.depth.test_enable,
167         .DepthBufferWriteEnable = opt_ds.depth.write_enable,
168         .DepthTestFunction = genX(vk_to_intel_compare_op)[opt_ds.depth.compare_op],
169         .StencilTestEnable = opt_ds.stencil.test_enable,
170         .StencilBufferWriteEnable = opt_ds.stencil.write_enable,
171         .StencilFailOp = genX(vk_to_intel_stencil_op)[opt_ds.stencil.front.op.fail],
172         .StencilPassDepthPassOp = genX(vk_to_intel_stencil_op)[opt_ds.stencil.front.op.pass],
173         .StencilPassDepthFailOp = genX(vk_to_intel_stencil_op)[opt_ds.stencil.front.op.depth_fail],
174         .StencilTestFunction = genX(vk_to_intel_compare_op)[opt_ds.stencil.front.op.compare],
175         .BackfaceStencilFailOp = genX(vk_to_intel_stencil_op)[opt_ds.stencil.back.op.fail],
176         .BackfaceStencilPassDepthPassOp = genX(vk_to_intel_stencil_op)[opt_ds.stencil.back.op.pass],
177         .BackfaceStencilPassDepthFailOp = genX(vk_to_intel_stencil_op)[opt_ds.stencil.back.op.depth_fail],
178         .BackfaceStencilTestFunction = genX(vk_to_intel_compare_op)[opt_ds.stencil.back.op.compare],
179      };
180      GENX(DEPTH_STENCIL_STATE_pack)(NULL, depth_stencil_dw, &depth_stencil);
181
182      struct anv_state ds_state =
183         anv_cmd_buffer_emit_dynamic(cmd_buffer, depth_stencil_dw,
184                                     sizeof(depth_stencil_dw), 64);
185
186      anv_batch_emit(&cmd_buffer->batch,
187                     GENX(3DSTATE_DEPTH_STENCIL_STATE_POINTERS), dsp) {
188         dsp.PointertoDEPTH_STENCIL_STATE = ds_state.offset;
189      }
190   }
191
192   if (cmd_buffer->state.gfx.index_buffer &&
193       ((cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
194                                        ANV_CMD_DIRTY_INDEX_BUFFER)) ||
195        BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_IA_PRIMITIVE_RESTART_ENABLE))) {
196      struct anv_buffer *buffer = cmd_buffer->state.gfx.index_buffer;
197      uint32_t offset = cmd_buffer->state.gfx.index_offset;
198
199#if GFX_VERx10 == 75
200      anv_batch_emit(&cmd_buffer->batch, GFX75_3DSTATE_VF, vf) {
201         vf.IndexedDrawCutIndexEnable  = dyn->ia.primitive_restart_enable;
202         vf.CutIndex                   = cmd_buffer->state.gfx.restart_index;
203      }
204#endif
205
206      anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_INDEX_BUFFER), ib) {
207#if GFX_VERx10 != 75
208         ib.CutIndexEnable        = dyn->ia.primitive_restart_enable;
209#endif
210         ib.IndexFormat           = cmd_buffer->state.gfx.index_type;
211         ib.MOCS                  = anv_mocs(cmd_buffer->device,
212                                             buffer->address.bo,
213                                             ISL_SURF_USAGE_INDEX_BUFFER_BIT);
214
215         ib.BufferStartingAddress = anv_address_add(buffer->address, offset);
216         ib.BufferEndingAddress   = anv_address_add(buffer->address,
217                                                    buffer->vk.size);
218      }
219   }
220
221   /* 3DSTATE_WM in the hope we can avoid spawning fragment shaders
222    * threads or if we have dirty dynamic primitive topology state and
223    * need to toggle 3DSTATE_WM::MultisampleRasterizationMode dynamically.
224    */
225   if ((cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_PIPELINE) ||
226       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_IA_PRIMITIVE_TOPOLOGY) ||
227       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_CB_COLOR_WRITE_ENABLES)) {
228      VkPolygonMode dynamic_raster_mode =
229         genX(raster_polygon_mode)(cmd_buffer->state.gfx.pipeline,
230                                   dyn->ia.primitive_topology);
231
232      uint32_t dwords[GENX(3DSTATE_WM_length)];
233      struct GENX(3DSTATE_WM) wm = {
234         GENX(3DSTATE_WM_header),
235
236         .ThreadDispatchEnable = anv_pipeline_has_stage(pipeline, MESA_SHADER_FRAGMENT) &&
237                                 (pipeline->force_fragment_thread_dispatch ||
238                                  !anv_cmd_buffer_all_color_write_masked(cmd_buffer)),
239         .MultisampleRasterizationMode =
240                                 genX(ms_rasterization_mode)(pipeline,
241                                                             dynamic_raster_mode),
242      };
243      GENX(3DSTATE_WM_pack)(NULL, dwords, &wm);
244
245      anv_batch_emit_merge(&cmd_buffer->batch, dwords, pipeline->gfx7.wm);
246   }
247
248   if ((cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_RENDER_TARGETS) ||
249       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_MS_SAMPLE_LOCATIONS)) {
250      const uint32_t samples = MAX2(1, cmd_buffer->state.gfx.samples);
251      const struct vk_sample_locations_state *sl = dyn->ms.sample_locations;
252      genX(emit_multisample)(&cmd_buffer->batch, samples,
253                             sl->per_pixel == samples ? sl : NULL);
254   }
255
256   if ((cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_PIPELINE) ||
257       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_CB_LOGIC_OP) ||
258       BITSET_TEST(dyn->dirty, MESA_VK_DYNAMIC_CB_COLOR_WRITE_ENABLES)) {
259      const uint8_t color_writes = dyn->cb.color_write_enables;
260
261      /* Blend states of each RT */
262      uint32_t blend_dws[GENX(BLEND_STATE_length) +
263                         MAX_RTS * GENX(BLEND_STATE_ENTRY_length)];
264      uint32_t *dws = blend_dws;
265      memset(blend_dws, 0, sizeof(blend_dws));
266
267      /* Skip this part */
268      dws += GENX(BLEND_STATE_length);
269
270      for (uint32_t i = 0; i < MAX_RTS; i++) {
271         /* Disable anything above the current number of color attachments. */
272         bool write_disabled = i >= cmd_buffer->state.gfx.color_att_count ||
273                               (color_writes & BITFIELD_BIT(i)) == 0;
274         struct GENX(BLEND_STATE_ENTRY) entry = {
275            .WriteDisableAlpha = write_disabled ||
276                                 (pipeline->color_comp_writes[i] &
277                                  VK_COLOR_COMPONENT_A_BIT) == 0,
278            .WriteDisableRed   = write_disabled ||
279                                 (pipeline->color_comp_writes[i] &
280                                  VK_COLOR_COMPONENT_R_BIT) == 0,
281            .WriteDisableGreen = write_disabled ||
282                                 (pipeline->color_comp_writes[i] &
283                                  VK_COLOR_COMPONENT_G_BIT) == 0,
284            .WriteDisableBlue  = write_disabled ||
285                                 (pipeline->color_comp_writes[i] &
286                                  VK_COLOR_COMPONENT_B_BIT) == 0,
287            .LogicOpFunction   = genX(vk_to_intel_logic_op)[dyn->cb.logic_op],
288         };
289         GENX(BLEND_STATE_ENTRY_pack)(NULL, dws, &entry);
290         dws += GENX(BLEND_STATE_ENTRY_length);
291      }
292
293      uint32_t num_dwords = GENX(BLEND_STATE_length) +
294         GENX(BLEND_STATE_ENTRY_length) * MAX_RTS;
295
296      struct anv_state blend_states =
297         anv_cmd_buffer_merge_dynamic(cmd_buffer, blend_dws,
298                                      pipeline->gfx7.blend_state, num_dwords, 64);
299      anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_BLEND_STATE_POINTERS), bsp) {
300         bsp.BlendStatePointer      = blend_states.offset;
301      }
302   }
303
304   /* When we're done, there is no more dirty gfx state. */
305   vk_dynamic_graphics_state_clear_dirty(&cmd_buffer->vk.dynamic_graphics_state);
306   cmd_buffer->state.gfx.dirty = 0;
307}
308
309void
310genX(cmd_buffer_enable_pma_fix)(struct anv_cmd_buffer *cmd_buffer,
311                                bool enable)
312{
313   /* The NP PMA fix doesn't exist on gfx7 */
314}
315