src/intel/vulkan/anv_meta_blit2d.c

   1 /*
   2  * Copyright © 2016 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 "anv_meta.h"
  25 #include "nir/nir_builder.h"
  26
  27 static VkFormat
  28 vk_format_for_size(int bs)
  29 {
  30    /* The choice of UNORM and UINT formats is very intentional here.  Most of
  31     * the time, we want to use a UINT format to avoid any rounding error in
  32     * the blit.  For stencil blits, R8_UINT is required by the hardware.
  33     * (It's the only format allowed in conjunction with W-tiling.)  Also we
  34     * intentionally use the 4-channel formats whenever we can.  This is so
  35     * that, when we do a RGB <-> RGBX copy, the two formats will line up even
  36     * though one of them is 3/4 the size of the other.  The choice of UNORM
  37     * vs. UINT is also very intentional because Haswell doesn't handle 8 or
  38     * 16-bit RGB UINT formats at all so we have to use UNORM there.
  39     * Fortunately, the only time we should ever use two different formats in
  40     * the table below is for RGB -> RGBA blits and so we will never have any
  41     * UNORM/UINT mismatch.
  42     */
  43    switch (bs) {
  44    case 1: return VK_FORMAT_R8_UINT;
  45    case 2: return VK_FORMAT_R8G8_UINT;
  46    case 3: return VK_FORMAT_R8G8B8_UNORM;
  47    case 4: return VK_FORMAT_R8G8B8A8_UNORM;
  48    case 6: return VK_FORMAT_R16G16B16_UNORM;
  49    case 8: return VK_FORMAT_R16G16B16A16_UNORM;
  50    case 12: return VK_FORMAT_R32G32B32_UINT;
  51    case 16: return VK_FORMAT_R32G32B32A32_UINT;
  52    default:
  53       unreachable("Invalid format block size");
  54    }
  55 }
  56
  57 static void
  58 create_iview(struct anv_cmd_buffer *cmd_buffer,
  59              struct anv_meta_blit2d_surf *surf,
  60              struct anv_meta_blit2d_rect *rect,
  61              VkImageUsageFlags usage,
  62              VkImage *img,
  63              struct anv_image_view *iview)
  64 {
  65    struct isl_tile_info tile_info;
  66    isl_tiling_get_info(&cmd_buffer->device->isl_dev,
  67                        surf->tiling, surf->bs, &tile_info);
  68    const unsigned tile_width_px = tile_info.width > surf->bs ?
  69                                   tile_info.width / surf->bs : 1;
  70    uint32_t *rect_y = (usage == VK_IMAGE_USAGE_SAMPLED_BIT) ?
  71                       &rect->src_y : &rect->dst_y;
  72    uint32_t *rect_x = (usage == VK_IMAGE_USAGE_SAMPLED_BIT) ?
  73                       &rect->src_x : &rect->dst_x;
  74
  75    /* Define the shared state among all created image views */
  76    const VkImageCreateInfo image_info = {
  77       .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
  78       .imageType = VK_IMAGE_TYPE_2D,
  79       .format = vk_format_for_size(surf->bs),
  80       .extent = {
  81          .width = rect->width + (*rect_x) % tile_width_px,
  82          .height = rect->height + (*rect_y) % tile_info.height,
  83          .depth = 1,
  84       },
  85       .mipLevels = 1,
  86       .arrayLayers = 1,
  87       .samples = 1,
  88       .tiling = surf->tiling == ISL_TILING_LINEAR ?
  89                 VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL,
  90       .usage = usage,
  91    };
  92
  93    /* Create the VkImage that is bound to the surface's memory. */
  94    anv_image_create(anv_device_to_handle(cmd_buffer->device),
  95                     &(struct anv_image_create_info) {
  96                        .vk_info = &image_info,
  97                        .isl_tiling_flags = 1 << surf->tiling,
  98                        .stride = surf->pitch,
  99                     }, &cmd_buffer->pool->alloc, img);
 100
 101    /* We could use a vk call to bind memory, but that would require
 102     * creating a dummy memory object etc. so there's really no point.
 103     */
 104    anv_image_from_handle(*img)->bo = surf->bo;
 105    anv_image_from_handle(*img)->offset = surf->base_offset;
 106
 107    /* Create a VkImageView that starts at the tile aligned offset closest
 108     * to the provided x/y offset into the surface.
 109     */
 110    uint32_t img_o = 0;
 111    isl_surf_get_image_intratile_offset_el_xy(&cmd_buffer->device->isl_dev,
 112                                              &anv_image_from_handle(*img)->
 113                                                 color_surface.isl,
 114                                              *rect_x, *rect_y,
 115                                              &img_o, rect_x, rect_y);
 116    anv_image_view_init(iview, cmd_buffer->device,
 117                        &(VkImageViewCreateInfo) {
 118                           .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
 119                           .image = *img,
 120                           .viewType = VK_IMAGE_VIEW_TYPE_2D,
 121                           .format = image_info.format,
 122                           .subresourceRange = {
 123                              .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
 124                              .baseMipLevel = 0,
 125                              .levelCount = 1,
 126                              .baseArrayLayer = 0,
 127                              .layerCount = 1
 128                           },
 129                        }, cmd_buffer, img_o, usage);
 130 }
 131
 132 struct blit2d_src_temps {
 133    VkImage image;
 134    struct anv_image_view iview;
 135    VkDescriptorPool desc_pool;
 136    VkDescriptorSet set;
 137 };
 138
 139 static void
 140 blit2d_bind_src(struct anv_cmd_buffer *cmd_buffer,
 141                 struct anv_meta_blit2d_surf *src,
 142                 struct anv_meta_blit2d_rect *rect,
 143                 struct blit2d_src_temps *tmp)
 144 {
 145    struct anv_device *device = cmd_buffer->device;
 146    VkDevice vk_device = anv_device_to_handle(cmd_buffer->device);
 147
 148    create_iview(cmd_buffer, src, rect, VK_IMAGE_USAGE_SAMPLED_BIT,
 149                 &tmp->image, &tmp->iview);
 150
 151    anv_CreateDescriptorPool(vk_device,
 152       &(const VkDescriptorPoolCreateInfo) {
 153          .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
 154          .pNext = NULL,
 155          .flags = 0,
 156          .maxSets = 1,
 157          .poolSizeCount = 1,
 158          .pPoolSizes = (VkDescriptorPoolSize[]) {
 159             {
 160                .type = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
 161                .descriptorCount = 1
 162             },
 163          }
 164       }, &cmd_buffer->pool->alloc, &tmp->desc_pool);
 165
 166    anv_AllocateDescriptorSets(vk_device,
 167       &(VkDescriptorSetAllocateInfo) {
 168          .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
 169          .descriptorPool = tmp->desc_pool,
 170          .descriptorSetCount = 1,
 171          .pSetLayouts = &device->meta_state.blit2d.ds_layout
 172       }, &tmp->set);
 173
 174    anv_UpdateDescriptorSets(vk_device,
 175       1, /* writeCount */
 176       (VkWriteDescriptorSet[]) {
 177          {
 178             .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
 179             .dstSet = tmp->set,
 180             .dstBinding = 0,
 181             .dstArrayElement = 0,
 182             .descriptorCount = 1,
 183             .descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
 184             .pImageInfo = (VkDescriptorImageInfo[]) {
 185                {
 186                   .sampler = NULL,
 187                   .imageView = anv_image_view_to_handle(&tmp->iview),
 188                   .imageLayout = VK_IMAGE_LAYOUT_GENERAL,
 189                },
 190             }
 191          }
 192       }, 0, NULL);
 193
 194    anv_CmdBindDescriptorSets(anv_cmd_buffer_to_handle(cmd_buffer),
 195                              VK_PIPELINE_BIND_POINT_GRAPHICS,
 196                              device->meta_state.blit2d.pipeline_layout, 0, 1,
 197                              &tmp->set, 0, NULL);
 198 }
 199
 200 static void
 201 blit2d_unbind_src(struct anv_cmd_buffer *cmd_buffer,
 202                   struct blit2d_src_temps *tmp)
 203 {
 204    anv_DestroyDescriptorPool(anv_device_to_handle(cmd_buffer->device),
 205                              tmp->desc_pool, &cmd_buffer->pool->alloc);
 206    anv_DestroyImage(anv_device_to_handle(cmd_buffer->device),
 207                     tmp->image, &cmd_buffer->pool->alloc);
 208 }
 209
 210 void
 211 anv_meta_end_blit2d(struct anv_cmd_buffer *cmd_buffer,
 212                     struct anv_meta_saved_state *save)
 213 {
 214    anv_meta_restore(save, cmd_buffer);
 215 }
 216
 217 void
 218 anv_meta_begin_blit2d(struct anv_cmd_buffer *cmd_buffer,
 219                       struct anv_meta_saved_state *save)
 220 {
 221    anv_meta_save(save, cmd_buffer,
 222                  (1 << VK_DYNAMIC_STATE_VIEWPORT));
 223 }
 224
 225 void
 226 anv_meta_blit2d(struct anv_cmd_buffer *cmd_buffer,
 227                 struct anv_meta_blit2d_surf *src,
 228                 struct anv_meta_blit2d_surf *dst,
 229                 unsigned num_rects,
 230                 struct anv_meta_blit2d_rect *rects)
 231 {
 232    struct anv_device *device = cmd_buffer->device;
 233    VkDevice vk_device = anv_device_to_handle(cmd_buffer->device);
 234    VkImageUsageFlags dst_usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 235
 236    for (unsigned r = 0; r < num_rects; ++r) {
 237       struct blit2d_src_temps src_temps;
 238       blit2d_bind_src(cmd_buffer, src, &rects[r], &src_temps);
 239
 240       VkImage dst_img;
 241       struct anv_image_view dst_iview;
 242       create_iview(cmd_buffer, dst, &rects[r], dst_usage, &dst_img, &dst_iview);
 243
 244       struct blit_vb_data {
 245          float pos[2];
 246          float tex_coord[3];
 247       } *vb_data;
 248
 249       unsigned vb_size = sizeof(struct anv_vue_header) + 3 * sizeof(*vb_data);
 250
 251       struct anv_state vb_state =
 252          anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, vb_size, 16);
 253       memset(vb_state.map, 0, sizeof(struct anv_vue_header));
 254       vb_data = vb_state.map + sizeof(struct anv_vue_header);
 255
 256       vb_data[0] = (struct blit_vb_data) {
 257          .pos = {
 258             rects[r].dst_x + rects[r].width,
 259             rects[r].dst_y + rects[r].height,
 260          },
 261          .tex_coord = {
 262             rects[r].src_x + rects[r].width,
 263             rects[r].src_y + rects[r].height,
 264             src->pitch,
 265          },
 266       };
 267
 268       vb_data[1] = (struct blit_vb_data) {
 269          .pos = {
 270             rects[r].dst_x,
 271             rects[r].dst_y + rects[r].height,
 272          },
 273          .tex_coord = {
 274             rects[r].src_x,
 275             rects[r].src_y + rects[r].height,
 276             src->pitch,
 277          },
 278       };
 279
 280       vb_data[2] = (struct blit_vb_data) {
 281          .pos = {
 282             rects[r].dst_x,
 283             rects[r].dst_y,
 284          },
 285          .tex_coord = {
 286             rects[r].src_x,
 287             rects[r].src_y,
 288             src->pitch,
 289          },
 290       };
 291
 292       anv_state_clflush(vb_state);
 293
 294       struct anv_buffer vertex_buffer = {
 295          .device = device,
 296          .size = vb_size,
 297          .bo = &device->dynamic_state_block_pool.bo,
 298          .offset = vb_state.offset,
 299       };
 300
 301       anv_CmdBindVertexBuffers(anv_cmd_buffer_to_handle(cmd_buffer), 0, 2,
 302          (VkBuffer[]) {
 303             anv_buffer_to_handle(&vertex_buffer),
 304             anv_buffer_to_handle(&vertex_buffer)
 305          },
 306          (VkDeviceSize[]) {
 307             0,
 308             sizeof(struct anv_vue_header),
 309          });
 310
 311       VkFramebuffer fb;
 312       anv_CreateFramebuffer(vk_device,
 313          &(VkFramebufferCreateInfo) {
 314             .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
 315             .attachmentCount = 1,
 316             .pAttachments = (VkImageView[]) {
 317                anv_image_view_to_handle(&dst_iview),
 318             },
 319             .width = dst_iview.extent.width,
 320             .height = dst_iview.extent.height,
 321             .layers = 1
 322          }, &cmd_buffer->pool->alloc, &fb);
 323
 324       ANV_CALL(CmdBeginRenderPass)(anv_cmd_buffer_to_handle(cmd_buffer),
 325          &(VkRenderPassBeginInfo) {
 326             .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
 327             .renderPass = device->meta_state.blit2d.render_pass,
 328             .framebuffer = fb,
 329             .renderArea = {
 330                .offset = { rects[r].dst_x, rects[r].dst_y, },
 331                .extent = { rects[r].width, rects[r].height },
 332             },
 333             .clearValueCount = 0,
 334             .pClearValues = NULL,
 335          }, VK_SUBPASS_CONTENTS_INLINE);
 336
 337       VkPipeline pipeline = device->meta_state.blit2d.pipeline_2d_src;
 338
 339       if (cmd_buffer->state.pipeline != anv_pipeline_from_handle(pipeline)) {
 340          anv_CmdBindPipeline(anv_cmd_buffer_to_handle(cmd_buffer),
 341                              VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
 342       }
 343
 344       anv_CmdSetViewport(anv_cmd_buffer_to_handle(cmd_buffer), 0, 1,
 345                          &(VkViewport) {
 346                            .x = 0.0f,
 347                            .y = 0.0f,
 348                            .width = dst_iview.extent.width,
 349                            .height = dst_iview.extent.height,
 350                            .minDepth = 0.0f,
 351                            .maxDepth = 1.0f,
 352                          });
 353
 354       ANV_CALL(CmdDraw)(anv_cmd_buffer_to_handle(cmd_buffer), 3, 1, 0, 0);
 355
 356       ANV_CALL(CmdEndRenderPass)(anv_cmd_buffer_to_handle(cmd_buffer));
 357
 358       /* At the point where we emit the draw call, all data from the
 359        * descriptor sets, etc. has been used.  We are free to delete it.
 360        */
 361       blit2d_unbind_src(cmd_buffer, &src_temps);
 362       anv_DestroyFramebuffer(vk_device, fb, &cmd_buffer->pool->alloc);
 363       anv_DestroyImage(vk_device, dst_img, &cmd_buffer->pool->alloc);
 364    }
 365 }
 366
 367
 368 static nir_shader *
 369 build_nir_vertex_shader(void)
 370 {
 371    const struct glsl_type *vec4 = glsl_vec4_type();
 372    nir_builder b;
 373
 374    nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
 375    b.shader->info.name = ralloc_strdup(b.shader, "meta_blit_vs");
 376
 377    nir_variable *pos_in = nir_variable_create(b.shader, nir_var_shader_in,
 378                                               vec4, "a_pos");
 379    pos_in->data.location = VERT_ATTRIB_GENERIC0;
 380    nir_variable *pos_out = nir_variable_create(b.shader, nir_var_shader_out,
 381                                                vec4, "gl_Position");
 382    pos_out->data.location = VARYING_SLOT_POS;
 383    nir_copy_var(&b, pos_out, pos_in);
 384
 385    nir_variable *tex_pos_in = nir_variable_create(b.shader, nir_var_shader_in,
 386                                                   vec4, "a_tex_pos");
 387    tex_pos_in->data.location = VERT_ATTRIB_GENERIC1;
 388    nir_variable *tex_pos_out = nir_variable_create(b.shader, nir_var_shader_out,
 389                                                    vec4, "v_tex_pos");
 390    tex_pos_out->data.location = VARYING_SLOT_VAR0;
 391    tex_pos_out->data.interpolation = INTERP_QUALIFIER_SMOOTH;
 392    nir_copy_var(&b, tex_pos_out, tex_pos_in);
 393
 394    return b.shader;
 395 }
 396
 397 typedef nir_ssa_def* (*texel_fetch_build_func)(struct nir_builder *,
 398                                                struct anv_device *,
 399                                                nir_ssa_def *, nir_ssa_def *);
 400
 401 static nir_ssa_def *
 402 build_nir_texel_fetch(struct nir_builder *b, struct anv_device *device,
 403                       nir_ssa_def *tex_pos, nir_ssa_def *tex_pitch)
 404 {
 405    const struct glsl_type *sampler_type =
 406       glsl_sampler_type(GLSL_SAMPLER_DIM_2D, false, false, GLSL_TYPE_FLOAT);
 407    nir_variable *sampler = nir_variable_create(b->shader, nir_var_uniform,
 408                                                sampler_type, "s_tex");
 409    sampler->data.descriptor_set = 0;
 410    sampler->data.binding = 0;
 411
 412    nir_tex_instr *tex = nir_tex_instr_create(b->shader, 2);
 413    tex->sampler_dim = GLSL_SAMPLER_DIM_2D;
 414    tex->op = nir_texop_txf;
 415    tex->src[0].src_type = nir_tex_src_coord;
 416    tex->src[0].src = nir_src_for_ssa(tex_pos);
 417    tex->src[1].src_type = nir_tex_src_lod;
 418    tex->src[1].src = nir_src_for_ssa(nir_imm_int(b, 0));
 419    tex->dest_type = nir_type_float; /* TODO */
 420    tex->is_array = false;
 421    tex->coord_components = 2;
 422    tex->texture = nir_deref_var_create(tex, sampler);
 423    tex->sampler = NULL;
 424
 425    nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
 426    nir_builder_instr_insert(b, &tex->instr);
 427
 428    return &tex->dest.ssa;
 429 }
 430
 431 static nir_shader *
 432 build_nir_copy_fragment_shader(struct anv_device *device,
 433                                texel_fetch_build_func txf_func)
 434 {
 435    const struct glsl_type *vec4 = glsl_vec4_type();
 436    const struct glsl_type *vec3 = glsl_vector_type(GLSL_TYPE_FLOAT, 3);
 437    nir_builder b;
 438
 439    nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
 440    b.shader->info.name = ralloc_strdup(b.shader, "meta_blit2d_fs");
 441
 442    nir_variable *tex_pos_in = nir_variable_create(b.shader, nir_var_shader_in,
 443                                                   vec3, "v_tex_pos");
 444    tex_pos_in->data.location = VARYING_SLOT_VAR0;
 445
 446    nir_variable *color_out = nir_variable_create(b.shader, nir_var_shader_out,
 447                                                  vec4, "f_color");
 448    color_out->data.location = FRAG_RESULT_DATA0;
 449
 450    nir_ssa_def *pos_int = nir_f2i(&b, nir_load_var(&b, tex_pos_in));
 451    unsigned swiz[4] = { 0, 1 };
 452    nir_ssa_def *tex_pos = nir_swizzle(&b, pos_int, swiz, 2, false);
 453    nir_ssa_def *tex_pitch = nir_channel(&b, pos_int, 2);
 454
 455    nir_ssa_def *color = txf_func(&b, device, tex_pos, tex_pitch);
 456    nir_store_var(&b, color_out, color, 0xf);
 457
 458    return b.shader;
 459 }
 460
 461 void
 462 anv_device_finish_meta_blit2d_state(struct anv_device *device)
 463 {
 464    anv_DestroyRenderPass(anv_device_to_handle(device),
 465                          device->meta_state.blit2d.render_pass,
 466                          &device->meta_state.alloc);
 467    anv_DestroyPipeline(anv_device_to_handle(device),
 468                        device->meta_state.blit2d.pipeline_2d_src,
 469                        &device->meta_state.alloc);
 470    anv_DestroyPipelineLayout(anv_device_to_handle(device),
 471                              device->meta_state.blit2d.pipeline_layout,
 472                              &device->meta_state.alloc);
 473    anv_DestroyDescriptorSetLayout(anv_device_to_handle(device),
 474                                   device->meta_state.blit2d.ds_layout,
 475                                   &device->meta_state.alloc);
 476 }
 477
 478 VkResult
 479 anv_device_init_meta_blit2d_state(struct anv_device *device)
 480 {
 481    VkResult result;
 482
 483    result = anv_CreateRenderPass(anv_device_to_handle(device),
 484       &(VkRenderPassCreateInfo) {
 485          .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
 486          .attachmentCount = 1,
 487          .pAttachments = &(VkAttachmentDescription) {
 488             .format = VK_FORMAT_UNDEFINED, /* Our shaders don't care */
 489             .loadOp = VK_ATTACHMENT_LOAD_OP_LOAD,
 490             .storeOp = VK_ATTACHMENT_STORE_OP_STORE,
 491             .initialLayout = VK_IMAGE_LAYOUT_GENERAL,
 492             .finalLayout = VK_IMAGE_LAYOUT_GENERAL,
 493          },
 494          .subpassCount = 1,
 495          .pSubpasses = &(VkSubpassDescription) {
 496             .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
 497             .inputAttachmentCount = 0,
 498             .colorAttachmentCount = 1,
 499             .pColorAttachments = &(VkAttachmentReference) {
 500                .attachment = 0,
 501                .layout = VK_IMAGE_LAYOUT_GENERAL,
 502             },
 503             .pResolveAttachments = NULL,
 504             .pDepthStencilAttachment = &(VkAttachmentReference) {
 505                .attachment = VK_ATTACHMENT_UNUSED,
 506                .layout = VK_IMAGE_LAYOUT_GENERAL,
 507             },
 508             .preserveAttachmentCount = 1,
 509             .pPreserveAttachments = (uint32_t[]) { 0 },
 510          },
 511          .dependencyCount = 0,
 512       }, &device->meta_state.alloc, &device->meta_state.blit2d.render_pass);
 513    if (result != VK_SUCCESS)
 514       goto fail;
 515
 516    /* We don't use a vertex shader for blitting, but instead build and pass
 517     * the VUEs directly to the rasterization backend.  However, we do need
 518     * to provide GLSL source for the vertex shader so that the compiler
 519     * does not dead-code our inputs.
 520     */
 521    struct anv_shader_module vs = {
 522       .nir = build_nir_vertex_shader(),
 523    };
 524
 525    struct anv_shader_module fs_2d = {
 526       .nir = build_nir_copy_fragment_shader(device, build_nir_texel_fetch),
 527    };
 528
 529    VkPipelineVertexInputStateCreateInfo vi_create_info = {
 530       .sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
 531       .vertexBindingDescriptionCount = 2,
 532       .pVertexBindingDescriptions = (VkVertexInputBindingDescription[]) {
 533          {
 534             .binding = 0,
 535             .stride = 0,
 536             .inputRate = VK_VERTEX_INPUT_RATE_INSTANCE
 537          },
 538          {
 539             .binding = 1,
 540             .stride = 5 * sizeof(float),
 541             .inputRate = VK_VERTEX_INPUT_RATE_VERTEX
 542          },
 543       },
 544       .vertexAttributeDescriptionCount = 3,
 545       .pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[]) {
 546          {
 547             /* VUE Header */
 548             .location = 0,
 549             .binding = 0,
 550             .format = VK_FORMAT_R32G32B32A32_UINT,
 551             .offset = 0
 552          },
 553          {
 554             /* Position */
 555             .location = 1,
 556             .binding = 1,
 557             .format = VK_FORMAT_R32G32_SFLOAT,
 558             .offset = 0
 559          },
 560          {
 561             /* Texture Coordinate */
 562             .location = 2,
 563             .binding = 1,
 564             .format = VK_FORMAT_R32G32B32_SFLOAT,
 565             .offset = 8
 566          }
 567       }
 568    };
 569
 570    VkDescriptorSetLayoutCreateInfo ds_layout_info = {
 571       .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
 572       .bindingCount = 1,
 573       .pBindings = (VkDescriptorSetLayoutBinding[]) {
 574          {
 575             .binding = 0,
 576             .descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
 577             .descriptorCount = 1,
 578             .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT,
 579             .pImmutableSamplers = NULL
 580          },
 581       }
 582    };
 583    result = anv_CreateDescriptorSetLayout(anv_device_to_handle(device),
 584                                           &ds_layout_info,
 585                                           &device->meta_state.alloc,
 586                                           &device->meta_state.blit2d.ds_layout);
 587    if (result != VK_SUCCESS)
 588       goto fail_render_pass;
 589
 590    result = anv_CreatePipelineLayout(anv_device_to_handle(device),
 591       &(VkPipelineLayoutCreateInfo) {
 592          .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
 593          .setLayoutCount = 1,
 594          .pSetLayouts = &device->meta_state.blit2d.ds_layout,
 595       },
 596       &device->meta_state.alloc, &device->meta_state.blit2d.pipeline_layout);
 597    if (result != VK_SUCCESS)
 598       goto fail_descriptor_set_layout;
 599
 600    VkPipelineShaderStageCreateInfo pipeline_shader_stages[] = {
 601       {
 602          .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
 603          .stage = VK_SHADER_STAGE_VERTEX_BIT,
 604          .module = anv_shader_module_to_handle(&vs),
 605          .pName = "main",
 606          .pSpecializationInfo = NULL
 607       }, {
 608          .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
 609          .stage = VK_SHADER_STAGE_FRAGMENT_BIT,
 610          .module = VK_NULL_HANDLE, /* TEMPLATE VALUE! FILL ME IN! */
 611          .pName = "main",
 612          .pSpecializationInfo = NULL
 613       },
 614    };
 615
 616    const VkGraphicsPipelineCreateInfo vk_pipeline_info = {
 617       .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
 618       .stageCount = ARRAY_SIZE(pipeline_shader_stages),
 619       .pStages = pipeline_shader_stages,
 620       .pVertexInputState = &vi_create_info,
 621       .pInputAssemblyState = &(VkPipelineInputAssemblyStateCreateInfo) {
 622          .sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
 623          .topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
 624          .primitiveRestartEnable = false,
 625       },
 626       .pViewportState = &(VkPipelineViewportStateCreateInfo) {
 627          .sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
 628          .viewportCount = 1,
 629          .scissorCount = 1,
 630       },
 631       .pRasterizationState = &(VkPipelineRasterizationStateCreateInfo) {
 632          .sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
 633          .rasterizerDiscardEnable = false,
 634          .polygonMode = VK_POLYGON_MODE_FILL,
 635          .cullMode = VK_CULL_MODE_NONE,
 636          .frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE
 637       },
 638       .pMultisampleState = &(VkPipelineMultisampleStateCreateInfo) {
 639          .sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
 640          .rasterizationSamples = 1,
 641          .sampleShadingEnable = false,
 642          .pSampleMask = (VkSampleMask[]) { UINT32_MAX },
 643       },
 644       .pColorBlendState = &(VkPipelineColorBlendStateCreateInfo) {
 645          .sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
 646          .attachmentCount = 1,
 647          .pAttachments = (VkPipelineColorBlendAttachmentState []) {
 648             { .colorWriteMask =
 649                  VK_COLOR_COMPONENT_A_BIT |
 650                  VK_COLOR_COMPONENT_R_BIT |
 651                  VK_COLOR_COMPONENT_G_BIT |
 652                  VK_COLOR_COMPONENT_B_BIT },
 653          }
 654       },
 655       .pDynamicState = &(VkPipelineDynamicStateCreateInfo) {
 656          .sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
 657          .dynamicStateCount = 9,
 658          .pDynamicStates = (VkDynamicState[]) {
 659             VK_DYNAMIC_STATE_VIEWPORT,
 660             VK_DYNAMIC_STATE_SCISSOR,
 661             VK_DYNAMIC_STATE_LINE_WIDTH,
 662             VK_DYNAMIC_STATE_DEPTH_BIAS,
 663             VK_DYNAMIC_STATE_BLEND_CONSTANTS,
 664             VK_DYNAMIC_STATE_DEPTH_BOUNDS,
 665             VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK,
 666             VK_DYNAMIC_STATE_STENCIL_WRITE_MASK,
 667             VK_DYNAMIC_STATE_STENCIL_REFERENCE,
 668          },
 669       },
 670       .flags = 0,
 671       .layout = device->meta_state.blit2d.pipeline_layout,
 672       .renderPass = device->meta_state.blit2d.render_pass,
 673       .subpass = 0,
 674    };
 675
 676    const struct anv_graphics_pipeline_create_info anv_pipeline_info = {
 677       .color_attachment_count = -1,
 678       .use_repclear = false,
 679       .disable_viewport = true,
 680       .disable_scissor = true,
 681       .disable_vs = true,
 682       .use_rectlist = true
 683    };
 684
 685    pipeline_shader_stages[1].module = anv_shader_module_to_handle(&fs_2d);
 686    result = anv_graphics_pipeline_create(anv_device_to_handle(device),
 687       VK_NULL_HANDLE,
 688       &vk_pipeline_info, &anv_pipeline_info,
 689       &device->meta_state.alloc, &device->meta_state.blit2d.pipeline_2d_src);
 690    if (result != VK_SUCCESS)
 691       goto fail_pipeline_layout;
 692
 693    ralloc_free(vs.nir);
 694    ralloc_free(fs_2d.nir);
 695
 696    return VK_SUCCESS;
 697
 698  fail_pipeline_layout:
 699    anv_DestroyPipelineLayout(anv_device_to_handle(device),
 700                              device->meta_state.blit2d.pipeline_layout,
 701                              &device->meta_state.alloc);
 702  fail_descriptor_set_layout:
 703    anv_DestroyDescriptorSetLayout(anv_device_to_handle(device),
 704                                   device->meta_state.blit2d.ds_layout,
 705                                   &device->meta_state.alloc);
 706  fail_render_pass:
 707    anv_DestroyRenderPass(anv_device_to_handle(device),
 708                          device->meta_state.blit2d.render_pass,
 709                          &device->meta_state.alloc);
 710
 711    ralloc_free(vs.nir);
 712    ralloc_free(fs_2d.nir);
 713  fail:
 714    return result;
 715 }