source/backends/vulkan/pipelinestate_backend.cpp

   1 #include <msp/core/algorithm.h>
   2 #include <msp/core/hash.h>
   3 #include "batch.h"
   4 #include "blend.h"
   5 #include "buffer.h"
   6 #include "depthtest.h"
   7 #include "device.h"
   8 #include "framebuffer.h"
   9 #include "pipelinestate.h"
  10 #include "pipelinestate_backend.h"
  11 #include "program.h"
  12 #include "rect.h"
  13 #include "renderpass.h"
  14 #include "sampler.h"
  15 #include "stenciltest.h"
  16 #include "structurebuilder.h"
  17 #include "texture.h"
  18 #include "uniformblock.h"
  19 #include "vertexsetup.h"
  20 #include "vulkan.h"
  21
  22 using namespace std;
  23
  24 namespace Msp {
  25 namespace GL {
  26
  27 VulkanPipelineState::VulkanPipelineState():
  28         device(Device::get_current())
  29 { }
  30
  31 VulkanPipelineState::VulkanPipelineState(VulkanPipelineState &&other):
  32         device(other.device),
  33         handle(other.handle)
  34 { }
  35
  36 void VulkanPipelineState::update() const
  37 {
  38         const PipelineState &self = *static_cast<const PipelineState *>(this);
  39
  40         unapplied |= changes&(PipelineState::VIEWPORT|PipelineState::SCISSOR|PipelineState::VERTEX_SETUP);
  41
  42         if(changes&PipelineState::VERTEX_SETUP)
  43                 self.vertex_setup->refresh();
  44
  45         if(changes&PipelineState::SHPROG)
  46         {
  47                 push_const_compat = hash<32>(self.shprog->stage_flags);
  48                 push_const_compat = hash_update<32>(push_const_compat, self.shprog->get_push_constants_size());
  49         }
  50
  51         constexpr unsigned graphics_mask = PipelineState::VERTEX_SETUP|PipelineState::FACE_CULL|
  52                 PipelineState::DEPTH_TEST|PipelineState::STENCIL_TEST|PipelineState::BLEND|PipelineState::PRIMITIVE_TYPE;
  53         unsigned pipeline_mask = PipelineState::SHPROG;
  54         if(!self.shprog->is_compute())
  55                 pipeline_mask |= graphics_mask;
  56         if(changes&pipeline_mask)
  57         {
  58                 handle = device.get_pipeline_cache().get_pipeline(self);
  59                 unapplied |= PipelineState::SHPROG;
  60         }
  61
  62         if(changes&(PipelineState::SHPROG|PipelineState::RESOURCES))
  63         {
  64                 unsigned changed_sets = (changes&PipelineState::SHPROG ? ~0U : 0U);
  65                 for(const PipelineState::BoundResource &r: self.resources)
  66                         if(r.changed || changed_sets==~0U)
  67                         {
  68                                 if(r.type==PipelineState::UNIFORM_BLOCK)
  69                                         r.used = self.shprog->uses_uniform_block_binding(r.binding);
  70                                 else if(r.type==PipelineState::SAMPLED_TEXTURE || r.type==PipelineState::STORAGE_TEXTURE)
  71                                 {
  72                                         r.used = self.shprog->uses_texture_binding(r.binding);
  73                                         if(r.mip_level>=0)
  74                                                 r.texture->refresh_mip_views();
  75                                         if(r.type==PipelineState::SAMPLED_TEXTURE)
  76                                                 r.sampler->refresh();
  77                                 }
  78                                 if(r.binding>=0)
  79                                         changed_sets |= 1<<(r.binding>>20);
  80                                 r.changed = false;
  81                         }
  82
  83                 if(changed_sets)
  84                 {
  85                         descriptor_set_slots.resize(self.shprog->get_n_descriptor_sets());
  86                         first_changed_desc_set = descriptor_set_slots.size();
  87                         for(unsigned i=0; i<descriptor_set_slots.size(); ++i)
  88                                 if(changed_sets&(1<<i))
  89                                 {
  90                                         descriptor_set_slots[i] = device.get_descriptor_pool().get_descriptor_set_slot(self, i);
  91                                         first_changed_desc_set = min(first_changed_desc_set, i);
  92                                 }
  93
  94                         unapplied |= PipelineState::RESOURCES;
  95                 }
  96         }
  97
  98         changes = 0;
  99 }
 100
 101 uint64_t VulkanPipelineState::compute_hash() const
 102 {
 103         const PipelineState &self = *static_cast<const PipelineState *>(this);
 104
 105         uint64_t result = hash<64>(self.shprog);
 106
 107         if(!self.shprog->is_compute())
 108         {
 109                 const FrameFormat &format = self.framebuffer->get_format();
 110
 111                 result = hash_update<64>(result, self.vertex_setup->compute_hash());
 112                 result = hash_round<64>(result, self.primitive_type);
 113
 114                 if(self.front_face!=NON_MANIFOLD && self.face_cull!=NO_CULL)
 115                 {
 116                         result = hash_round<64>(result, self.front_face);
 117                         result = hash_round<64>(result, self.face_cull);
 118                 }
 119
 120                 result = hash_round<64>(result, format.get_samples());
 121
 122                 if(self.depth_test.enabled)
 123                 {
 124                         result = hash_round<64>(result, self.depth_test.compare);
 125                         result = hash_update<64>(result, self.depth_test.write);
 126                 }
 127
 128                 if(self.stencil_test.enabled)
 129                 {
 130                         result = hash_round<64>(result, self.stencil_test.compare);
 131                         result = hash_round<64>(result, self.stencil_test.stencil_fail_op);
 132                         result = hash_round<64>(result, self.stencil_test.depth_fail_op);
 133                         result = hash_round<64>(result, self.stencil_test.depth_pass_op);
 134                         result = hash_update<64>(result, self.stencil_test.reference);
 135                 }
 136
 137                 if(self.blend.enabled)
 138                 {
 139                         result = hash_round<64>(result, self.blend.equation);
 140                         result = hash_round<64>(result, self.blend.src_factor);
 141                         result = hash_round<64>(result, self.blend.dst_factor);
 142                         result = hash_round<64>(result, self.blend.write_mask);
 143                 }
 144
 145                 for(FrameAttachment a: format)
 146                         result = hash_update<64>(result, a);
 147         }
 148
 149         return result;
 150 }
 151
 152 void VulkanPipelineState::fill_creation_info(vector<char> &buffer) const
 153 {
 154         if(static_cast<const PipelineState *>(this)->shprog->is_compute())
 155                 fill_compute_creation_info(buffer);
 156         else
 157                 fill_graphics_creation_info(buffer);
 158 }
 159
 160 void VulkanPipelineState::fill_graphics_creation_info(vector<char> &buffer) const
 161 {
 162         const PipelineState &self = *static_cast<const PipelineState *>(this);
 163
 164         const FrameFormat &format = self.framebuffer->get_format();
 165         RenderPass render_pass;
 166         render_pass.framebuffer = self.framebuffer;
 167         render_pass.update(device);
 168
 169         unsigned n_color_attachments = 0;
 170         for(FrameAttachment a: format)
 171         {
 172                 unsigned attach_pt = get_attach_point(a);
 173                 if(attach_pt!=get_attach_point(DEPTH_ATTACHMENT) && attach_pt!=get_attach_point(STENCIL_ATTACHMENT))
 174                         ++n_color_attachments;
 175         }
 176
 177         StructureBuilder sb(buffer, 10);
 178         VkGraphicsPipelineCreateInfo *const &pipeline_info = sb.add<VkGraphicsPipelineCreateInfo>();
 179         VkPipelineInputAssemblyStateCreateInfo *const &input_assembly_info = sb.add<VkPipelineInputAssemblyStateCreateInfo>();
 180         VkPipelineViewportStateCreateInfo *const &viewport_info = sb.add<VkPipelineViewportStateCreateInfo>();
 181         VkPipelineRasterizationStateCreateInfo *const &raster_info = sb.add<VkPipelineRasterizationStateCreateInfo>();
 182         VkPipelineMultisampleStateCreateInfo *const &multisample_info = sb.add<VkPipelineMultisampleStateCreateInfo>();
 183         VkPipelineDepthStencilStateCreateInfo *const &depth_stencil_info = sb.add<VkPipelineDepthStencilStateCreateInfo>();
 184         VkPipelineColorBlendStateCreateInfo *const &blend_info = sb.add<VkPipelineColorBlendStateCreateInfo>();
 185         VkPipelineColorBlendAttachmentState *const &blend_attachments = sb.add<VkPipelineColorBlendAttachmentState>(n_color_attachments);
 186         VkPipelineDynamicStateCreateInfo *const &dynamic_info = sb.add<VkPipelineDynamicStateCreateInfo>();
 187         VkDynamicState *const &dynamic_states = sb.add<VkDynamicState>(2);
 188
 189         input_assembly_info->sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
 190         input_assembly_info->topology = static_cast<VkPrimitiveTopology>(get_vulkan_primitive_type(self.primitive_type));
 191         input_assembly_info->primitiveRestartEnable = true;
 192
 193         viewport_info->sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
 194         viewport_info->viewportCount = 1;
 195         viewport_info->pViewports = 0;
 196         viewport_info->scissorCount = 1;
 197         viewport_info->pScissors = 0;
 198
 199         raster_info->sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
 200         raster_info->depthClampEnable = VK_FALSE;
 201         raster_info->rasterizerDiscardEnable = VK_FALSE;
 202         raster_info->polygonMode = VK_POLYGON_MODE_FILL;
 203         raster_info->frontFace = (self.front_face==CLOCKWISE ? VK_FRONT_FACE_COUNTER_CLOCKWISE : VK_FRONT_FACE_CLOCKWISE);
 204         if(self.face_cull==NO_CULL || self.front_face==NON_MANIFOLD)
 205                 raster_info->cullMode = VK_CULL_MODE_NONE;
 206         else
 207                 raster_info->cullMode = (self.face_cull==CULL_FRONT ? VK_CULL_MODE_FRONT_BIT : VK_CULL_MODE_BACK_BIT);
 208         raster_info->depthBiasEnable = VK_FALSE;
 209         raster_info->depthBiasConstantFactor = 0.0f;
 210         raster_info->depthBiasClamp = 0.0f;
 211         raster_info->depthBiasSlopeFactor = 0.0f;
 212         raster_info->lineWidth = 1.0f;
 213
 214         multisample_info->sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
 215         multisample_info->rasterizationSamples = static_cast<VkSampleCountFlagBits>(get_vulkan_samples(format.get_samples()));
 216         multisample_info->sampleShadingEnable = VK_FALSE;
 217         multisample_info->minSampleShading = 1.0f;
 218         multisample_info->pSampleMask = 0;
 219         multisample_info->alphaToCoverageEnable = VK_FALSE;
 220         multisample_info->alphaToOneEnable = VK_FALSE;
 221
 222         depth_stencil_info->sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
 223         depth_stencil_info->depthTestEnable = self.depth_test.enabled;
 224         depth_stencil_info->depthWriteEnable = self.depth_test.write;
 225         depth_stencil_info->depthCompareOp = static_cast<VkCompareOp>(get_vulkan_predicate(self.depth_test.compare));
 226         depth_stencil_info->depthBoundsTestEnable = VK_FALSE;
 227
 228         depth_stencil_info->stencilTestEnable = self.stencil_test.enabled;
 229         depth_stencil_info->front.failOp = static_cast<VkStencilOp>(get_vulkan_stencil_op(self.stencil_test.stencil_fail_op));
 230         depth_stencil_info->front.passOp = static_cast<VkStencilOp>(get_vulkan_stencil_op(self.stencil_test.depth_pass_op));
 231         depth_stencil_info->front.depthFailOp = static_cast<VkStencilOp>(get_vulkan_stencil_op(self.stencil_test.depth_fail_op));
 232         depth_stencil_info->front.compareOp = static_cast<VkCompareOp>(get_vulkan_predicate(self.stencil_test.compare));
 233         depth_stencil_info->front.compareMask = 0xFFFFFFFFU;
 234         depth_stencil_info->front.writeMask = 0xFFFFFFFFU;
 235         depth_stencil_info->front.reference = self.stencil_test.reference;
 236         depth_stencil_info->back = depth_stencil_info->front;
 237
 238         for(unsigned i=0; i<n_color_attachments; ++i)
 239         {
 240                 blend_attachments[i].blendEnable = self.blend.enabled;
 241                 blend_attachments[i].srcColorBlendFactor = static_cast<VkBlendFactor>(get_vulkan_blend_factor(self.blend.src_factor));
 242                 blend_attachments[i].dstColorBlendFactor = static_cast<VkBlendFactor>(get_vulkan_blend_factor(self.blend.dst_factor));
 243                 blend_attachments[i].colorBlendOp = static_cast<VkBlendOp>(get_vulkan_blend_equation(self.blend.equation));
 244                 blend_attachments[i].srcAlphaBlendFactor = blend_attachments[i].srcColorBlendFactor;
 245                 blend_attachments[i].dstAlphaBlendFactor = blend_attachments[i].dstColorBlendFactor;
 246                 blend_attachments[i].alphaBlendOp = blend_attachments[i].colorBlendOp;
 247                 blend_attachments[i].colorWriteMask = get_vulkan_color_mask(self.blend.write_mask);
 248         }
 249
 250         blend_info->sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
 251         blend_info->attachmentCount = n_color_attachments;
 252         blend_info->pAttachments = blend_attachments;
 253
 254         dynamic_states[0] = VK_DYNAMIC_STATE_VIEWPORT;
 255         dynamic_states[1] = VK_DYNAMIC_STATE_SCISSOR;
 256
 257         dynamic_info->sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
 258         dynamic_info->dynamicStateCount = 2;
 259         dynamic_info->pDynamicStates = dynamic_states;
 260
 261         pipeline_info->sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
 262
 263         pipeline_info->pInputAssemblyState = input_assembly_info;
 264         pipeline_info->pTessellationState = 0;
 265         pipeline_info->pViewportState = viewport_info;
 266         pipeline_info->pRasterizationState = raster_info;
 267         pipeline_info->pMultisampleState = multisample_info;
 268         pipeline_info->pDepthStencilState = depth_stencil_info;
 269         pipeline_info->pColorBlendState = blend_info;
 270         pipeline_info->pDynamicState = dynamic_info;
 271         pipeline_info->renderPass = handle_cast<::VkRenderPass>(render_pass.handle);
 272         pipeline_info->subpass = 0;
 273
 274         if(self.shprog)
 275         {
 276                 pipeline_info->stageCount = self.shprog->n_stages;
 277                 pipeline_info->pStages = reinterpret_cast<const VkPipelineShaderStageCreateInfo *>(self.shprog->creation_info.data());
 278                 pipeline_info->layout = handle_cast<::VkPipelineLayout>(self.shprog->layout_handle);
 279         }
 280
 281         if(self.vertex_setup)
 282                 pipeline_info->pVertexInputState = reinterpret_cast<const VkPipelineVertexInputStateCreateInfo *>(self.vertex_setup->creation_info.data());
 283 }
 284
 285 void VulkanPipelineState::fill_compute_creation_info(vector<char> &buffer) const
 286 {
 287         const PipelineState &self = *static_cast<const PipelineState *>(this);
 288
 289         StructureBuilder sb(buffer, 1);
 290         VkComputePipelineCreateInfo *const &pipeline_info = sb.add<VkComputePipelineCreateInfo>();
 291
 292         pipeline_info->sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
 293
 294         if(self.shprog)
 295         {
 296                 pipeline_info->stage = *reinterpret_cast<const VkPipelineShaderStageCreateInfo *>(self.shprog->creation_info.data());
 297                 pipeline_info->layout = handle_cast<::VkPipelineLayout>(self.shprog->layout_handle);
 298         }
 299 }
 300
 301 uint64_t VulkanPipelineState::compute_descriptor_set_hash(unsigned index) const
 302 {
 303         const PipelineState &self = *static_cast<const PipelineState *>(this);
 304
 305         uint64_t result = hash<64>(0, 0);
 306         bool empty = true;
 307
 308         auto i = lower_bound_member(self.resources, static_cast<int>(index)<<20, &PipelineState::BoundResource::binding);
 309         for(; (i!=self.resources.end() && static_cast<unsigned>(i->binding)>>20==index); ++i)
 310         {
 311                 if(!i->used)
 312                         continue;
 313
 314                 result = hash_update<64>(result, i->binding);
 315                 result = hash_update<64>(result, i->type);
 316                 if(i->type==PipelineState::UNIFORM_BLOCK)
 317                 {
 318                         result = hash_update<64>(result, reinterpret_cast<uintptr_t>(i->block));
 319                         result = hash_update<64>(result, reinterpret_cast<uintptr_t>(i->buffer->handle));
 320                 }
 321                 else if(i->type==PipelineState::SAMPLED_TEXTURE)
 322                 {
 323                         result = hash_update<64>(result, reinterpret_cast<uintptr_t>(i->texture->handle));
 324                         result = hash_update<64>(result, reinterpret_cast<uintptr_t>(i->sampler->handle));
 325                         result = hash_update<64>(result, i->mip_level);
 326                 }
 327                 else if(i->type==PipelineState::STORAGE_TEXTURE)
 328                         result = hash_update<64>(result, reinterpret_cast<uintptr_t>(i->texture->handle));
 329                 empty = false;
 330         }
 331
 332         if(!empty)
 333                 result = hash_update<64>(result, self.shprog->stage_flags);
 334
 335         return result;
 336 }
 337
 338 bool VulkanPipelineState::is_descriptor_set_dynamic(unsigned index) const
 339 {
 340         const PipelineState &self = *static_cast<const PipelineState *>(this);
 341
 342         auto i = lower_bound_member(self.resources, static_cast<int>(index)<<20, &PipelineState::BoundResource::binding);
 343         for(; (i!=self.resources.end() && static_cast<unsigned>(i->binding)>>20==index); ++i)
 344                 if(i->used && i->type==PipelineState::UNIFORM_BLOCK && i->buffer->get_usage()==STREAMING)
 345                         return true;
 346
 347         return false;
 348 }
 349
 350 VkDescriptorSetLayout VulkanPipelineState::get_descriptor_set_layout(unsigned index) const
 351 {
 352         return static_cast<const PipelineState *>(this)->shprog->desc_set_layout_handles[index];
 353 }
 354
 355 unsigned VulkanPipelineState::fill_descriptor_writes(unsigned index, unsigned frame, vector<char> &buffer) const
 356 {
 357         const PipelineState &self = *static_cast<const PipelineState *>(this);
 358
 359         auto begin = lower_bound_member(self.resources, static_cast<int>(index)<<20, &PipelineState::BoundResource::binding);
 360
 361         unsigned n_buffers = 0;
 362         unsigned n_images = 0;
 363         for(auto i=begin; (i!=self.resources.end() && static_cast<unsigned>(i->binding)>>20==index); ++i)
 364                 if(i->used)
 365                 {
 366                         if(i->type==PipelineState::UNIFORM_BLOCK)
 367                                 ++n_buffers;
 368                         else if(i->type==PipelineState::SAMPLED_TEXTURE || i->type==PipelineState::STORAGE_TEXTURE)
 369                                 ++n_images;
 370                 }
 371         unsigned n_writes = n_buffers+n_images;
 372
 373         StructureBuilder sb(buffer, 3);
 374         VkWriteDescriptorSet *const &writes = sb.add<VkWriteDescriptorSet>(n_writes);
 375         VkDescriptorBufferInfo *const &buffers = sb.add<VkDescriptorBufferInfo>(n_buffers);
 376         VkDescriptorImageInfo *const &images = sb.add<VkDescriptorImageInfo>(n_images);
 377
 378         VkWriteDescriptorSet *write_ptr = writes;
 379         VkDescriptorBufferInfo *buffer_ptr = buffers;
 380         VkDescriptorImageInfo *image_ptr = images;
 381
 382         for(auto i=begin; (i!=self.resources.end() && static_cast<unsigned>(i->binding)>>20==index); ++i)
 383         {
 384                 if(!i->used)
 385                         continue;
 386
 387                 if(i->type==PipelineState::UNIFORM_BLOCK)
 388                 {
 389                         buffer_ptr->buffer = handle_cast<::VkBuffer>(i->buffer->handle);
 390                         buffer_ptr->offset = i->block->get_offset();
 391                         if(i->buffer->get_usage()==STREAMING)
 392                                 buffer_ptr->offset += frame*i->buffer->get_size();
 393                         buffer_ptr->range = i->block->get_data_size();
 394
 395                         write_ptr->sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
 396                         write_ptr->dstBinding = i->binding&0xFFFFF;
 397                         write_ptr->descriptorCount = 1;
 398                         write_ptr->descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
 399                         write_ptr->pBufferInfo = buffer_ptr;
 400
 401                         ++buffer_ptr;
 402                 }
 403                 else if(i->type==PipelineState::SAMPLED_TEXTURE || i->type==PipelineState::STORAGE_TEXTURE)
 404                 {
 405                         if(i->mip_level<0)
 406                                 image_ptr->imageView = handle_cast<::VkImageView>(i->texture->view_handle);
 407                         else
 408                                 image_ptr->imageView = handle_cast<::VkImageView>(i->texture->mip_view_handles[i->mip_level]);
 409
 410                         if(i->type==PipelineState::SAMPLED_TEXTURE)
 411                         {
 412                                 image_ptr->sampler = handle_cast<::VkSampler>(i->sampler->handle);
 413                                 image_ptr->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
 414                                 write_ptr->descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
 415                         }
 416                         else if(i->type==PipelineState::STORAGE_TEXTURE)
 417                         {
 418                                 image_ptr->imageLayout = VK_IMAGE_LAYOUT_GENERAL;
 419                                 write_ptr->descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
 420                         }
 421
 422                         write_ptr->sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
 423                         write_ptr->dstBinding = i->binding&0xFFFFF;
 424                         write_ptr->descriptorCount = 1;
 425                         write_ptr->pImageInfo = image_ptr;
 426
 427                         ++image_ptr;
 428                 }
 429
 430                 ++write_ptr;
 431         }
 432
 433         return n_writes;
 434 }
 435
 436 void VulkanPipelineState::synchronize_resources(bool discard_fb_contents) const
 437 {
 438         const PipelineState &self = *static_cast<const PipelineState *>(this);
 439
 440         for(const PipelineState::BoundResource &r: self.resources)
 441                 if(r.type==PipelineState::STORAGE_TEXTURE)
 442                         r.texture->change_layout(-1, VK_IMAGE_LAYOUT_GENERAL, false);
 443 }
 444
 445 void VulkanPipelineState::apply(const VulkanCommandRecorder &vkCmd, const VulkanPipelineState *last, unsigned frame, bool negative_viewport) const
 446 {
 447         const PipelineState &self = *static_cast<const PipelineState *>(this);
 448
 449         if(!last)
 450         {
 451                 unapplied = ~0U;
 452                 first_changed_desc_set = 0;
 453         }
 454         else if(last!=this)
 455         {
 456                 const PipelineState &last_ps = *static_cast<const PipelineState *>(last);
 457                 if(handle!=last->handle)
 458                 {
 459                         unapplied |= PipelineState::SHPROG;
 460                         if(self.push_const_compat!=last_ps.push_const_compat)
 461                         {
 462                                 unapplied |= PipelineState::RESOURCES;
 463                                 first_changed_desc_set = 0;
 464                         }
 465                 }
 466                 if(self.vertex_setup!=last_ps.vertex_setup)
 467                         unapplied |= PipelineState::VERTEX_SETUP;
 468                 for(unsigned i=0; i<descriptor_set_slots.size(); ++i)
 469                         if(i>=last->descriptor_set_slots.size() || descriptor_set_slots[i]!=last->descriptor_set_slots[i])
 470                         {
 471                                 unapplied |= PipelineState::RESOURCES;
 472                                 first_changed_desc_set = min(first_changed_desc_set, i);
 473                                 break;
 474                         }
 475                 if(self.viewport!=last_ps.viewport)
 476                         unapplied |= PipelineState::VIEWPORT;
 477                 if(self.scissor!=last_ps.scissor)
 478                         unapplied |= PipelineState::SCISSOR;
 479         }
 480
 481         VkPipelineBindPoint bind_point = (self.shprog->is_compute() ? VK_PIPELINE_BIND_POINT_COMPUTE : VK_PIPELINE_BIND_POINT_GRAPHICS);
 482         if(unapplied&PipelineState::SHPROG)
 483                 vkCmd.BindPipeline(bind_point, handle);
 484
 485         if(!self.shprog->is_compute() && (unapplied&PipelineState::VERTEX_SETUP))
 486                 if(const VertexSetup *vs = self.vertex_setup)
 487                 {
 488                         vkCmd.BindVertexBuffers(0, vs->n_bindings, vs->buffers, vs->offsets);
 489                         VkIndexType index_type = static_cast<VkIndexType>(get_vulkan_index_type(vs->get_index_type()));
 490                         vkCmd.BindIndexBuffer(vs->get_index_buffer()->handle, 0, index_type);
 491                 }
 492
 493         if(!self.resources.empty())
 494         {
 495                 const PipelineState::BoundResource &first_res = self.resources.front();
 496                 if(first_res.used && first_res.type==PipelineState::UNIFORM_BLOCK && first_res.binding==ReflectData::PUSH_CONSTANT)
 497                 {
 498                         const UniformBlock &pc_block = *first_res.block;
 499                         vkCmd.PushConstants(self.shprog->layout_handle, self.shprog->stage_flags,
 500                                 pc_block.get_offset(), pc_block.get_data_size(), pc_block.get_data_pointer());
 501                 }
 502         }
 503
 504         if((unapplied&PipelineState::RESOURCES) && !descriptor_set_slots.empty())
 505         {
 506                 vector<VkDescriptorSet> descriptor_set_handles;
 507                 descriptor_set_handles.reserve(descriptor_set_slots.size()-first_changed_desc_set);
 508                 for(unsigned i=first_changed_desc_set; i<descriptor_set_slots.size(); ++i)
 509                         descriptor_set_handles.push_back(device.get_descriptor_pool().get_descriptor_set(
 510                                 self.descriptor_set_slots[i], self, i, frame));
 511
 512                 vkCmd.BindDescriptorSets(bind_point, self.shprog->layout_handle,
 513                         first_changed_desc_set, descriptor_set_handles.size(), descriptor_set_handles.data(), 0, 0);
 514         }
 515
 516         if(!self.shprog->is_compute() && (unapplied&(PipelineState::VIEWPORT|PipelineState::SCISSOR)))
 517         {
 518                 Rect fb_rect = self.framebuffer->get_rect();
 519
 520                 if(unapplied&PipelineState::VIEWPORT)
 521                 {
 522                         Rect viewport_rect = fb_rect.intersect(self.viewport);
 523                         VkViewport viewport = { };
 524                         viewport.x = viewport_rect.left;
 525                         viewport.y = viewport_rect.bottom;
 526                         viewport.width = viewport_rect.width;
 527                         viewport.height = viewport_rect.height;
 528                         if(negative_viewport)
 529                         {
 530                                 viewport.y += viewport.height;
 531                                 viewport.height = -viewport.height;
 532                         }
 533                         viewport.minDepth = 0.0f;
 534                         viewport.maxDepth = 1.0f;
 535                         vkCmd.SetViewport(0, 1, &viewport);
 536                 }
 537
 538                 if(unapplied&PipelineState::SCISSOR)
 539                 {
 540                         Rect scissor_rect = fb_rect.intersect(self.scissor);
 541                         VkRect2D scissor = { };
 542                         scissor.offset.x = scissor_rect.left;
 543                         scissor.offset.y = scissor_rect.bottom;
 544                         scissor.extent.width = scissor_rect.width;
 545                         scissor.extent.height = scissor_rect.height;
 546                         vkCmd.SetScissor(0, 1, &scissor);
 547                 }
 548         }
 549
 550         unapplied = 0;
 551         first_changed_desc_set = descriptor_set_slots.size();
 552 }
 553
 554 } // namespace GL
 555 } // namespace Msp