src/intel/vulkan/gen7_pipeline.c

   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
  35 #include "genX_pipeline_util.h"
  36
  37 static void
  38 gen7_emit_rs_state(struct anv_pipeline *pipeline,
  39                    const VkPipelineRasterizationStateCreateInfo *info,
  40                    const struct anv_graphics_pipeline_create_info *extra)
  41 {
  42    struct GENX(3DSTATE_SF) sf = {
  43       GENX(3DSTATE_SF_header),
  44
  45       /* LegacyGlobalDepthBiasEnable */
  46
  47       .StatisticsEnable                         = true,
  48       .FrontFaceFillMode                        = vk_to_gen_fillmode[info->polygonMode],
  49       .BackFaceFillMode                         = vk_to_gen_fillmode[info->polygonMode],
  50       .ViewTransformEnable                      = !(extra && extra->disable_viewport),
  51       .FrontWinding                             = vk_to_gen_front_face[info->frontFace],
  52       /* bool                                         AntiAliasingEnable; */
  53
  54       .CullMode                                 = vk_to_gen_cullmode[info->cullMode],
  55
  56       /* uint32_t                                     LineEndCapAntialiasingRegionWidth; */
  57       .ScissorRectangleEnable                   =  !(extra && extra->disable_scissor),
  58
  59       /* uint32_t                                     MultisampleRasterizationMode; */
  60       /* bool                                         LastPixelEnable; */
  61
  62       .TriangleStripListProvokingVertexSelect   = 0,
  63       .LineStripListProvokingVertexSelect       = 0,
  64       .TriangleFanProvokingVertexSelect         = 0,
  65
  66       /* uint32_t                                     AALineDistanceMode; */
  67       /* uint32_t                                     VertexSubPixelPrecisionSelect; */
  68       .UsePointWidthState                       = !pipeline->writes_point_size,
  69       .PointWidth                               = 1.0,
  70       .GlobalDepthOffsetConstant                = info->depthBiasEnable,
  71       .GlobalDepthOffsetScale                   = info->depthBiasEnable,
  72       .GlobalDepthOffsetClamp                   = info->depthBiasEnable,
  73    };
  74
  75    GENX(3DSTATE_SF_pack)(NULL, &pipeline->gen7.sf, &sf);
  76 }
  77
  78 static void
  79 gen7_emit_ds_state(struct anv_pipeline *pipeline,
  80                    const VkPipelineDepthStencilStateCreateInfo *info)
  81 {
  82    if (info == NULL) {
  83       /* We're going to OR this together with the dynamic state.  We need
  84        * to make sure it's initialized to something useful.
  85        */
  86       memset(pipeline->gen7.depth_stencil_state, 0,
  87              sizeof(pipeline->gen7.depth_stencil_state));
  88       return;
  89    }
  90
  91    struct GENX(DEPTH_STENCIL_STATE) state = {
  92       .DepthTestEnable = info->depthTestEnable,
  93       .DepthBufferWriteEnable = info->depthWriteEnable,
  94       .DepthTestFunction = vk_to_gen_compare_op[info->depthCompareOp],
  95       .DoubleSidedStencilEnable = true,
  96
  97       .StencilTestEnable = info->stencilTestEnable,
  98       .StencilFailOp = vk_to_gen_stencil_op[info->front.failOp],
  99       .StencilPassDepthPassOp = vk_to_gen_stencil_op[info->front.passOp],
 100       .StencilPassDepthFailOp = vk_to_gen_stencil_op[info->front.depthFailOp],
 101       .StencilTestFunction = vk_to_gen_compare_op[info->front.compareOp],
 102
 103       .BackfaceStencilFailOp = vk_to_gen_stencil_op[info->back.failOp],
 104       .BackfaceStencilPassDepthPassOp = vk_to_gen_stencil_op[info->back.passOp],
 105       .BackfaceStencilPassDepthFailOp = vk_to_gen_stencil_op[info->back.depthFailOp],
 106       .BackFaceStencilTestFunction = vk_to_gen_compare_op[info->back.compareOp],
 107    };
 108
 109    GENX(DEPTH_STENCIL_STATE_pack)(NULL, &pipeline->gen7.depth_stencil_state, &state);
 110 }
 111
 112 static void
 113 gen7_emit_cb_state(struct anv_pipeline *pipeline,
 114                    const VkPipelineColorBlendStateCreateInfo *info,
 115                    const VkPipelineMultisampleStateCreateInfo *ms_info)
 116 {
 117    struct anv_device *device = pipeline->device;
 118
 119    if (info == NULL || info->attachmentCount == 0) {
 120       pipeline->blend_state =
 121          anv_state_pool_emit(&device->dynamic_state_pool,
 122             GENX(BLEND_STATE), 64,
 123             .ColorBufferBlendEnable = false,
 124             .WriteDisableAlpha = true,
 125             .WriteDisableRed = true,
 126             .WriteDisableGreen = true,
 127             .WriteDisableBlue = true);
 128    } else {
 129       const VkPipelineColorBlendAttachmentState *a = &info->pAttachments[0];
 130       struct GENX(BLEND_STATE) blend = {
 131          .AlphaToCoverageEnable = ms_info && ms_info->alphaToCoverageEnable,
 132          .AlphaToOneEnable = ms_info && ms_info->alphaToOneEnable,
 133
 134          .LogicOpEnable = info->logicOpEnable,
 135          .LogicOpFunction = vk_to_gen_logic_op[info->logicOp],
 136          .ColorBufferBlendEnable = a->blendEnable,
 137          .ColorClampRange = COLORCLAMP_RTFORMAT,
 138          .PreBlendColorClampEnable = true,
 139          .PostBlendColorClampEnable = true,
 140          .SourceBlendFactor = vk_to_gen_blend[a->srcColorBlendFactor],
 141          .DestinationBlendFactor = vk_to_gen_blend[a->dstColorBlendFactor],
 142          .ColorBlendFunction = vk_to_gen_blend_op[a->colorBlendOp],
 143          .SourceAlphaBlendFactor = vk_to_gen_blend[a->srcAlphaBlendFactor],
 144          .DestinationAlphaBlendFactor = vk_to_gen_blend[a->dstAlphaBlendFactor],
 145          .AlphaBlendFunction = vk_to_gen_blend_op[a->alphaBlendOp],
 146          .WriteDisableAlpha = !(a->colorWriteMask & VK_COLOR_COMPONENT_A_BIT),
 147          .WriteDisableRed = !(a->colorWriteMask & VK_COLOR_COMPONENT_R_BIT),
 148          .WriteDisableGreen = !(a->colorWriteMask & VK_COLOR_COMPONENT_G_BIT),
 149          .WriteDisableBlue = !(a->colorWriteMask & VK_COLOR_COMPONENT_B_BIT),
 150       };
 151
 152       /* Our hardware applies the blend factor prior to the blend function
 153        * regardless of what function is used.  Technically, this means the
 154        * hardware can do MORE than GL or Vulkan specify.  However, it also
 155        * means that, for MIN and MAX, we have to stomp the blend factor to
 156        * ONE to make it a no-op.
 157        */
 158       if (a->colorBlendOp == VK_BLEND_OP_MIN ||
 159           a->colorBlendOp == VK_BLEND_OP_MAX) {
 160          blend.SourceBlendFactor = BLENDFACTOR_ONE;
 161          blend.DestinationBlendFactor = BLENDFACTOR_ONE;
 162       }
 163       if (a->alphaBlendOp == VK_BLEND_OP_MIN ||
 164           a->alphaBlendOp == VK_BLEND_OP_MAX) {
 165          blend.SourceAlphaBlendFactor = BLENDFACTOR_ONE;
 166          blend.DestinationAlphaBlendFactor = BLENDFACTOR_ONE;
 167       }
 168
 169       pipeline->blend_state = anv_state_pool_alloc(&device->dynamic_state_pool,
 170                                                    GENX(BLEND_STATE_length) * 4,
 171                                                    64);
 172       GENX(BLEND_STATE_pack)(NULL, pipeline->blend_state.map, &blend);
 173       if (pipeline->device->info.has_llc)
 174          anv_state_clflush(pipeline->blend_state);
 175     }
 176
 177    anv_batch_emit(&pipeline->batch, GENX(3DSTATE_BLEND_STATE_POINTERS),
 178                   .BlendStatePointer = pipeline->blend_state.offset);
 179 }
 180
 181 VkResult
 182 genX(graphics_pipeline_create)(
 183     VkDevice                                    _device,
 184     struct anv_pipeline_cache *                 cache,
 185     const VkGraphicsPipelineCreateInfo*         pCreateInfo,
 186     const struct anv_graphics_pipeline_create_info *extra,
 187     const VkAllocationCallbacks*                pAllocator,
 188     VkPipeline*                                 pPipeline)
 189 {
 190    ANV_FROM_HANDLE(anv_device, device, _device);
 191    struct anv_pipeline *pipeline;
 192    VkResult result;
 193
 194    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO);
 195
 196    pipeline = anv_alloc2(&device->alloc, pAllocator, sizeof(*pipeline), 8,
 197                          VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 198    if (pipeline == NULL)
 199       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 200
 201    result = anv_pipeline_init(pipeline, device, cache,
 202                               pCreateInfo, extra, pAllocator);
 203    if (result != VK_SUCCESS) {
 204       anv_free2(&device->alloc, pAllocator, pipeline);
 205       return result;
 206    }
 207
 208    assert(pCreateInfo->pVertexInputState);
 209    emit_vertex_input(pipeline, pCreateInfo->pVertexInputState, extra);
 210
 211    assert(pCreateInfo->pRasterizationState);
 212    gen7_emit_rs_state(pipeline, pCreateInfo->pRasterizationState, extra);
 213
 214    gen7_emit_ds_state(pipeline, pCreateInfo->pDepthStencilState);
 215
 216    gen7_emit_cb_state(pipeline, pCreateInfo->pColorBlendState,
 217                                 pCreateInfo->pMultisampleState);
 218
 219    emit_urb_setup(pipeline);
 220
 221    const VkPipelineRasterizationStateCreateInfo *rs_info =
 222       pCreateInfo->pRasterizationState;
 223
 224    anv_batch_emit(&pipeline->batch, GENX(3DSTATE_CLIP),
 225       .FrontWinding                             = vk_to_gen_front_face[rs_info->frontFace],
 226       .CullMode                                 = vk_to_gen_cullmode[rs_info->cullMode],
 227       .ClipEnable                               = true,
 228       .APIMode                                  = APIMODE_OGL,
 229       .ViewportXYClipTestEnable                 = !(extra && extra->disable_viewport),
 230       .ClipMode                                 = CLIPMODE_NORMAL,
 231       .TriangleStripListProvokingVertexSelect   = 0,
 232       .LineStripListProvokingVertexSelect       = 0,
 233       .TriangleFanProvokingVertexSelect         = 0,
 234       .MinimumPointWidth                        = 0.125,
 235       .MaximumPointWidth                        = 255.875,
 236       .MaximumVPIndex = pCreateInfo->pViewportState->viewportCount - 1);
 237
 238    if (pCreateInfo->pMultisampleState &&
 239        pCreateInfo->pMultisampleState->rasterizationSamples > 1)
 240       anv_finishme("VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO");
 241
 242    uint32_t samples = 1;
 243    uint32_t log2_samples = __builtin_ffs(samples) - 1;
 244
 245    anv_batch_emit(&pipeline->batch, GENX(3DSTATE_MULTISAMPLE),
 246       .PixelLocation                            = PIXLOC_CENTER,
 247       .NumberofMultisamples                     = log2_samples);
 248
 249    anv_batch_emit(&pipeline->batch, GENX(3DSTATE_SAMPLE_MASK),
 250       .SampleMask                               = 0xff);
 251
 252    const struct brw_vue_prog_data *vue_prog_data = &pipeline->vs_prog_data.base;
 253
 254 #if 0
 255    /* From gen7_vs_state.c */
 256
 257    /**
 258     * From Graphics BSpec: 3D-Media-GPGPU Engine > 3D Pipeline Stages >
 259     * Geometry > Geometry Shader > State:
 260     *
 261     *     "Note: Because of corruption in IVB:GT2, software needs to flush the
 262     *     whole fixed function pipeline when the GS enable changes value in
 263     *     the 3DSTATE_GS."
 264     *
 265     * The hardware architects have clarified that in this context "flush the
 266     * whole fixed function pipeline" means to emit a PIPE_CONTROL with the "CS
 267     * Stall" bit set.
 268     */
 269    if (!brw->is_haswell && !brw->is_baytrail)
 270       gen7_emit_vs_workaround_flush(brw);
 271 #endif
 272
 273    if (pipeline->vs_vec4 == NO_KERNEL || (extra && extra->disable_vs))
 274       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_VS), .VSFunctionEnable = false);
 275    else
 276       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_VS),
 277          .KernelStartPointer                    = pipeline->vs_vec4,
 278          .ScratchSpaceBaseOffset                = pipeline->scratch_start[MESA_SHADER_VERTEX],
 279          .PerThreadScratchSpace                 = scratch_space(&vue_prog_data->base),
 280
 281          .DispatchGRFStartRegisterforURBData    =
 282             vue_prog_data->base.dispatch_grf_start_reg,
 283          .VertexURBEntryReadLength              = vue_prog_data->urb_read_length,
 284          .VertexURBEntryReadOffset              = 0,
 285
 286          .MaximumNumberofThreads                = device->info.max_vs_threads - 1,
 287          .StatisticsEnable                      = true,
 288          .VSFunctionEnable                      = true);
 289
 290    const struct brw_gs_prog_data *gs_prog_data = &pipeline->gs_prog_data;
 291
 292    if (pipeline->gs_kernel == NO_KERNEL || (extra && extra->disable_vs)) {
 293       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_GS), .GSEnable = false);
 294    } else {
 295       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_GS),
 296          .KernelStartPointer                    = pipeline->gs_kernel,
 297          .ScratchSpaceBasePointer               = pipeline->scratch_start[MESA_SHADER_GEOMETRY],
 298          .PerThreadScratchSpace                 = scratch_space(&gs_prog_data->base.base),
 299
 300          .OutputVertexSize                      = gs_prog_data->output_vertex_size_hwords * 2 - 1,
 301          .OutputTopology                        = gs_prog_data->output_topology,
 302          .VertexURBEntryReadLength              = gs_prog_data->base.urb_read_length,
 303          .IncludeVertexHandles                  = gs_prog_data->base.include_vue_handles,
 304          .DispatchGRFStartRegisterforURBData    =
 305             gs_prog_data->base.base.dispatch_grf_start_reg,
 306
 307          .MaximumNumberofThreads                = device->info.max_gs_threads - 1,
 308          /* This in the next dword on HSW. */
 309          .ControlDataFormat                     = gs_prog_data->control_data_format,
 310          .ControlDataHeaderSize                 = gs_prog_data->control_data_header_size_hwords,
 311          .InstanceControl                       = MAX2(gs_prog_data->invocations, 1) - 1,
 312          .DispatchMode                          = gs_prog_data->base.dispatch_mode,
 313          .GSStatisticsEnable                    = true,
 314          .IncludePrimitiveID                    = gs_prog_data->include_primitive_id,
 315 #     if (GEN_IS_HASWELL)
 316          .ReorderMode                           = REORDER_TRAILING,
 317 #     else
 318          .ReorderEnable                         = true,
 319 #     endif
 320          .GSEnable                              = true);
 321    }
 322
 323    if (pipeline->ps_ksp0 == NO_KERNEL) {
 324       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_SBE));
 325
 326       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_WM),
 327                      .StatisticsEnable                         = true,
 328                      .ThreadDispatchEnable                     = false,
 329                      .LineEndCapAntialiasingRegionWidth        = 0, /* 0.5 pixels */
 330                      .LineAntialiasingRegionWidth              = 1, /* 1.0 pixels */
 331                      .EarlyDepthStencilControl                 = EDSC_NORMAL,
 332                      .PointRasterizationRule                   = RASTRULE_UPPER_RIGHT);
 333
 334       /* Even if no fragments are ever dispatched, the hardware hangs if we
 335        * don't at least set the maximum number of threads.
 336        */
 337       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_PS),
 338                      .MaximumNumberofThreads                   = device->info.max_wm_threads - 1);
 339    } else {
 340       const struct brw_wm_prog_data *wm_prog_data = &pipeline->wm_prog_data;
 341       if (wm_prog_data->urb_setup[VARYING_SLOT_BFC0] != -1 ||
 342           wm_prog_data->urb_setup[VARYING_SLOT_BFC1] != -1)
 343          anv_finishme("two-sided color needs sbe swizzling setup");
 344       if (wm_prog_data->urb_setup[VARYING_SLOT_PRIMITIVE_ID] != -1)
 345          anv_finishme("primitive_id needs sbe swizzling setup");
 346
 347       emit_3dstate_sbe(pipeline);
 348
 349       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_PS),
 350                      .KernelStartPointer0                      = pipeline->ps_ksp0,
 351                      .ScratchSpaceBasePointer                  = pipeline->scratch_start[MESA_SHADER_FRAGMENT],
 352                      .PerThreadScratchSpace                    = scratch_space(&wm_prog_data->base),
 353
 354                      .MaximumNumberofThreads                   = device->info.max_wm_threads - 1,
 355                      .PushConstantEnable                       = wm_prog_data->base.nr_params > 0,
 356                      .AttributeEnable                          = wm_prog_data->num_varying_inputs > 0,
 357                      .oMaskPresenttoRenderTarget               = wm_prog_data->uses_omask,
 358
 359                      .RenderTargetFastClearEnable              = false,
 360                      .DualSourceBlendEnable                    = false,
 361                      .RenderTargetResolveEnable                = false,
 362
 363                      .PositionXYOffsetSelect                   = wm_prog_data->uses_pos_offset ?
 364                      POSOFFSET_SAMPLE : POSOFFSET_NONE,
 365
 366                      ._32PixelDispatchEnable                   = false,
 367                      ._16PixelDispatchEnable                   = pipeline->ps_simd16 != NO_KERNEL,
 368                      ._8PixelDispatchEnable                    = pipeline->ps_simd8 != NO_KERNEL,
 369
 370                      .DispatchGRFStartRegisterforConstantSetupData0 = pipeline->ps_grf_start0,
 371                      .DispatchGRFStartRegisterforConstantSetupData1 = 0,
 372                      .DispatchGRFStartRegisterforConstantSetupData2 = pipeline->ps_grf_start2,
 373
 374 #if 0
 375                      /* Haswell requires the sample mask to be set in this packet as well as
 376                       * in 3DSTATE_SAMPLE_MASK; the values should match. */
 377                      /* _NEW_BUFFERS, _NEW_MULTISAMPLE */
 378 #endif
 379
 380                      .KernelStartPointer1                      = 0,
 381                      .KernelStartPointer2                      = pipeline->ps_ksp2);
 382
 383       /* FIXME-GEN7: This needs a lot more work, cf gen7 upload_wm_state(). */
 384       anv_batch_emit(&pipeline->batch, GENX(3DSTATE_WM),
 385                      .StatisticsEnable                         = true,
 386                      .ThreadDispatchEnable                     = true,
 387                      .LineEndCapAntialiasingRegionWidth        = 0, /* 0.5 pixels */
 388                      .LineAntialiasingRegionWidth              = 1, /* 1.0 pixels */
 389                      .EarlyDepthStencilControl                 = EDSC_NORMAL,
 390                      .PointRasterizationRule                   = RASTRULE_UPPER_RIGHT,
 391                      .PixelShaderComputedDepthMode             = wm_prog_data->computed_depth_mode,
 392                      .PixelShaderUsesSourceDepth               = wm_prog_data->uses_src_depth,
 393                      .PixelShaderUsesSourceW                   = wm_prog_data->uses_src_w,
 394                      .PixelShaderUsesInputCoverageMask         = wm_prog_data->uses_sample_mask,
 395                      .BarycentricInterpolationMode             = wm_prog_data->barycentric_interp_modes);
 396    }
 397
 398    *pPipeline = anv_pipeline_to_handle(pipeline);
 399
 400    return VK_SUCCESS;
 401 }