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