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