source/backends/vulkan/commands_backend.cpp

   1 #include <msp/core/hash.h>
   2 #include <msp/graphics/vulkancontext_platform.h>
   3 #include "batch.h"
   4 #include "commands_backend.h"
   5 #include "device.h"
   6 #include "error.h"
   7 #include "framebuffer.h"
   8 #include "frameformat.h"
   9 #include "pipelinestate.h"
  10 #include "rect.h"
  11 #include "semaphore.h"
  12 #include "swapchaintexture.h"
  13 #include "vulkan.h"
  14
  15 using namespace std;
  16
  17 namespace Msp {
  18 namespace GL {
  19
  20 VulkanCommands::VulkanCommands():
  21         device(Device::get_current())
  22 { }
  23
  24 VulkanCommands::~VulkanCommands()
  25 {
  26         const VulkanFunctions &vk = device.get_functions();
  27
  28         vk.QueueWaitIdle();
  29 }
  30
  31 void VulkanCommands::begin_buffer()
  32 {
  33         if(!current_pool)
  34                 throw invalid_operation("VulkanCommands::begin_buffer");
  35
  36         const VulkanFunctions &vk = device.get_functions();
  37
  38         if(!current_pool->in_use)
  39         {
  40                 current_pool->fence.reset();
  41                 current_pool->in_use = true;
  42         }
  43
  44         if(current_pool->next_buffer>=current_pool->buffers.size())
  45         {
  46                 VkCommandBufferAllocateInfo alloc_info = { };
  47                 alloc_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
  48                 alloc_info.commandPool = handle_cast<::VkCommandPool>(current_pool->pool);
  49                 alloc_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
  50                 alloc_info.commandBufferCount = 1;
  51
  52                 VkCommandBuffer buffer;
  53                 vk.AllocateCommandBuffers(alloc_info, &buffer);
  54                 current_pool->buffers.push_back(buffer);
  55         }
  56
  57         current_buffer = current_pool->buffers[current_pool->next_buffer++];
  58
  59         VkCommandBufferBeginInfo begin_info = { };
  60         begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
  61         begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
  62
  63         vk.BeginCommandBuffer(current_buffer, begin_info);
  64 }
  65
  66 void VulkanCommands::begin_render_pass(bool clear, const ClearValue *clear_values)
  67 {
  68         framebuffer = pipeline_state->get_framebuffer();
  69         if(!framebuffer)
  70                 throw invalid_operation("VulkanCommands::begin_render_pass");
  71
  72         const VulkanFunctions &vk = device.get_functions();
  73
  74         if(!current_buffer)
  75                 begin_buffer();
  76
  77         device.get_transfer_queue().dispatch_transfers(current_buffer);
  78
  79         Synchronizer &sync = device.get_synchronizer();
  80         sync.reset();
  81
  82         bool to_present = false;
  83         unsigned n_attachments = framebuffer->get_format().size();
  84         for(unsigned i=0; i<n_attachments; ++i)
  85                 if(dynamic_cast<const SwapChainTexture *>(framebuffer->get_attachment(i)))
  86                         to_present = true;
  87         if(!to_present)
  88                 framebuffer->synchronize(clear);
  89         VkRenderPass render_pass = device.get_pipeline_cache().get_render_pass(framebuffer->get_format(), clear, !clear_values, to_present);
  90
  91         framebuffer->refresh();
  92
  93         sync.barrier(current_buffer);
  94
  95         VkRenderPassBeginInfo begin_info = { };
  96         begin_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
  97         begin_info.renderPass = handle_cast<::VkRenderPass>(render_pass);
  98         begin_info.framebuffer = handle_cast<::VkFramebuffer>(framebuffer->handle);
  99
 100         viewport = pipeline_state->get_viewport();
 101         if(viewport)
 102         {
 103                 begin_info.renderArea.offset.x = viewport->left;
 104                 begin_info.renderArea.offset.y = viewport->bottom;
 105                 begin_info.renderArea.extent.width = viewport->width;
 106                 begin_info.renderArea.extent.height = viewport->height;
 107         }
 108         else
 109         {
 110                 begin_info.renderArea.extent.width = framebuffer->get_width();
 111                 begin_info.renderArea.extent.height = framebuffer->get_height();
 112         }
 113
 114         VkClearValue vk_clear_values[7];
 115         if(clear_values)
 116         {
 117                 unsigned i = 0;
 118                 for(FrameAttachment a: framebuffer->get_format())
 119                 {
 120                         if(get_attach_point(a)==get_attach_point(DEPTH_ATTACHMENT))
 121                                 vk_clear_values[i].depthStencil.depth = clear_values[i].depth_stencil.depth;
 122                         else if(get_attach_point(a)==get_attach_point(STENCIL_ATTACHMENT))
 123                                 vk_clear_values[i].depthStencil.stencil = clear_values[i].depth_stencil.stencil;
 124                         else
 125                         {
 126                                 vk_clear_values[i].color.float32[0] = clear_values[i].color.r;
 127                                 vk_clear_values[i].color.float32[1] = clear_values[i].color.g;
 128                                 vk_clear_values[i].color.float32[2] = clear_values[i].color.b;
 129                                 vk_clear_values[i].color.float32[3] = clear_values[i].color.a;
 130                         }
 131                         ++i;
 132                 }
 133
 134                 begin_info.clearValueCount = framebuffer->get_format().size();
 135                 begin_info.pClearValues = vk_clear_values;
 136         }
 137
 138         vk.CmdBeginRenderPass(current_buffer, begin_info, VK_SUBPASS_CONTENTS_INLINE);
 139 }
 140
 141 void VulkanCommands::end_render_pass()
 142 {
 143         const VulkanFunctions &vk = device.get_functions();
 144
 145         vk.CmdEndRenderPass(current_buffer);
 146         framebuffer = 0;
 147         viewport = 0;
 148 }
 149
 150 void VulkanCommands::begin_frame(unsigned index)
 151 {
 152         const VulkanFunctions &vk = device.get_functions();
 153
 154         unsigned pool_index = index%device.get_n_frames_in_flight();
 155         if(pool_index>=command_pools.size())
 156         {
 157                 command_pools.reserve(pool_index+1);
 158                 for(unsigned i=command_pools.size(); i<pool_index+1; ++i)
 159                         command_pools.emplace_back(device);
 160         }
 161
 162         current_pool = &command_pools[pool_index];
 163         if(current_pool->in_use)
 164         {
 165                 current_pool->fence.wait();
 166                 vk.ResetCommandPool(current_pool->pool, 0);
 167                 current_pool->in_use = false;
 168                 current_pool->next_buffer = 0;
 169         }
 170 }
 171
 172 void VulkanCommands::submit_frame(Semaphore *wait_sem, Semaphore *signal_sem)
 173 {
 174         if(!current_buffer)
 175                 return;
 176
 177         const VulkanFunctions &vk = device.get_functions();
 178         ::VkSemaphore vk_wait_sem = (wait_sem ? handle_cast<::VkSemaphore>(wait_sem->handle) : 0);
 179         ::VkSemaphore vk_signal_sem = (signal_sem ? handle_cast<::VkSemaphore>(signal_sem->handle) : 0);
 180         VkPipelineStageFlags wait_stages = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
 181
 182         if(framebuffer)
 183                 end_render_pass();
 184
 185         vk.EndCommandBuffer(current_buffer);
 186
 187         VkSubmitInfo submit_info = { };
 188         submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
 189         submit_info.waitSemaphoreCount = (wait_sem ? 1 : 0);
 190         submit_info.pWaitSemaphores = &vk_wait_sem;
 191         submit_info.pWaitDstStageMask = &wait_stages;
 192         submit_info.commandBufferCount = 1;
 193         submit_info.pCommandBuffers = handle_cast<::VkCommandBuffer *>(&current_buffer);
 194         submit_info.signalSemaphoreCount = (signal_sem ? 1 : 0);
 195         submit_info.pSignalSemaphores = &vk_signal_sem;
 196
 197         vk.QueueSubmit(1, &submit_info, current_pool->fence.handle);
 198
 199         current_buffer = 0;
 200 }
 201
 202 void VulkanCommands::use_pipeline(const PipelineState *ps)
 203 {
 204         if(!pipeline_state || !ps || ps->get_framebuffer()!=framebuffer || ps->get_viewport()!=viewport)
 205                 if(framebuffer)
 206                         end_render_pass();
 207
 208         pipeline_state = ps;
 209 }
 210
 211 void VulkanCommands::clear(const ClearValue *values)
 212 {
 213         if(framebuffer)
 214                 throw invalid_operation("VulkanCommands::clear");
 215
 216         begin_render_pass(true, values);
 217 }
 218
 219 void VulkanCommands::draw(const Batch &batch)
 220 {
 221         draw_instanced(batch, 1);
 222 }
 223
 224 void VulkanCommands::draw_instanced(const Batch &batch, unsigned count)
 225 {
 226         if(!pipeline_state)
 227                 throw invalid_operation("VulkanCommands::draw_instanced");
 228
 229         const VulkanFunctions &vk = device.get_functions();
 230
 231         if(!framebuffer)
 232                  begin_render_pass(false, 0);
 233
 234         pipeline_state->refresh();
 235         pipeline_state->apply(current_buffer);
 236         unsigned first_index = batch.get_offset()/batch.get_index_size();
 237         vk.CmdDrawIndexed(current_buffer, batch.size(), count, first_index, 0, 0);
 238 }
 239
 240 void VulkanCommands::resolve_multisample(Framebuffer &)
 241 {
 242         throw logic_error("VulkanCommands::resolve_multisample is unimplemented");
 243 }
 244
 245 void VulkanCommands::begin_query(const QueryPool &, unsigned)
 246 {
 247         throw logic_error("VulkanCommands::begin_query is unimplemented");
 248 }
 249
 250 void VulkanCommands::end_query(const QueryPool &, unsigned)
 251 {
 252         throw logic_error("VulkanCommands::end_query is unimplemented");
 253 }
 254
 255
 256 VulkanCommands::CommandPool::CommandPool(Device &d):
 257         device(d),
 258         fence(true)
 259 {
 260         const VulkanFunctions &vk = device.get_functions();
 261
 262         VkCommandPoolCreateInfo pool_info = { };
 263         pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
 264         pool_info.flags = VK_COMMAND_POOL_CREATE_TRANSIENT_BIT;
 265         pool_info.queueFamilyIndex = device.get_context().get_private().graphics_queue_family;
 266
 267         vk.CreateCommandPool(pool_info, pool);
 268 }
 269
 270 VulkanCommands::CommandPool::CommandPool(CommandPool &&other):
 271         device(other.device),
 272         pool(other.pool),
 273         fence(move(other.fence)),
 274         in_use(other.in_use)
 275 {
 276         other.pool = 0;
 277 }
 278
 279 VulkanCommands::CommandPool::~CommandPool()
 280 {
 281         const VulkanFunctions &vk = device.get_functions();
 282
 283         if(pool)
 284                 vk.DestroyCommandPool(pool);
 285 }
 286
 287 } // namespace GL
 288 } // namespace Msp