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