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