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