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         const Framebuffer *target = pipeline_state->get_framebuffer();
  62         if(!target)
  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 = target->get_format().size();
  74         for(unsigned i=0; i<n_attachments; ++i)
  75                 if(dynamic_cast<const SwapChainTexture *>(target->VulkanFramebuffer::get_attachment(i)))
  76                         to_present = true;
  77         VkRenderPass render_pass = device.get_pipeline_cache().get_render_pass(target->get_format(), clear, !clear_values, to_present);
  78
  79         target->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>(target->handle);
  85
  86         const Rect *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 = target->get_width();
  97                 begin_info.renderArea.extent.height = target->get_height();
  98         }
  99
 100         VkClearValue vk_clear_values[7];
 101         if(clear_values)
 102         {
 103                 unsigned i = 0;
 104                 for(FrameAttachment a: target->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 = target->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         render_pass = 0;
 133 }
 134
 135 void VulkanCommands::begin_frame(unsigned index)
 136 {
 137         const VulkanFunctions &vk = device.get_functions();
 138
 139         unsigned pool_index = index%device.get_n_frames_in_flight();
 140         if(pool_index>=command_pools.size())
 141         {
 142                 command_pools.reserve(pool_index+1);
 143                 for(unsigned i=command_pools.size(); i<pool_index+1; ++i)
 144                         command_pools.emplace_back(device);
 145         }
 146
 147         current_pool = &command_pools[pool_index];
 148         if(current_pool->in_use)
 149         {
 150                 current_pool->fence.wait();
 151                 vk.ResetCommandPool(current_pool->pool, 0);
 152                 current_pool->in_use = false;
 153         }
 154 }
 155
 156 void VulkanCommands::submit_frame(Semaphore *wait_sem, Semaphore *signal_sem)
 157 {
 158         if(!current_buffer)
 159                 return;
 160
 161         const VulkanFunctions &vk = device.get_functions();
 162         ::VkSemaphore vk_wait_sem = (wait_sem ? handle_cast<::VkSemaphore>(wait_sem->handle) : 0);
 163         ::VkSemaphore vk_signal_sem = (signal_sem ? handle_cast<::VkSemaphore>(signal_sem->handle) : 0);
 164         VkPipelineStageFlags wait_stages = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
 165
 166         if(render_pass)
 167                 end_render_pass();
 168
 169         vk.EndCommandBuffer(current_buffer);
 170
 171         VkSubmitInfo submit_info = { };
 172         submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
 173         submit_info.waitSemaphoreCount = (wait_sem ? 1 : 0);
 174         submit_info.pWaitSemaphores = &vk_wait_sem;
 175         submit_info.pWaitDstStageMask = &wait_stages;
 176         submit_info.commandBufferCount = 1;
 177         submit_info.pCommandBuffers = handle_cast<::VkCommandBuffer *>(&current_buffer);
 178         submit_info.signalSemaphoreCount = (signal_sem ? 1 : 0);
 179         submit_info.pSignalSemaphores = &vk_signal_sem;
 180
 181         vk.QueueSubmit(1, &submit_info, current_pool->fence.handle);
 182
 183         current_buffer = 0;
 184 }
 185
 186 void VulkanCommands::use_pipeline(const PipelineState *ps)
 187 {
 188         if(!pipeline_state || !ps || ps->get_framebuffer()!=pipeline_state->get_framebuffer() || ps->get_viewport()!=pipeline_state->get_viewport())
 189                 if(render_pass)
 190                         end_render_pass();
 191
 192         pipeline_state = ps;
 193         if(pipeline_state)
 194                 pipeline_state->refresh();
 195 }
 196
 197 void VulkanCommands::clear(const ClearValue *values)
 198 {
 199         if(render_pass)
 200                 throw invalid_operation("VulkanCommands::clear");
 201
 202         begin_render_pass(true, values);
 203 }
 204
 205 void VulkanCommands::draw(const Batch &batch)
 206 {
 207         draw_instanced(batch, 1);
 208 }
 209
 210 void VulkanCommands::draw_instanced(const Batch &batch, unsigned count)
 211 {
 212         if(!pipeline_state)
 213                 throw invalid_operation("VulkanCommands::draw_instanced");
 214
 215         const VulkanFunctions &vk = device.get_functions();
 216
 217         if(!render_pass)
 218                  begin_render_pass(false, 0);
 219
 220         pipeline_state->apply(current_buffer);
 221         unsigned first_index = batch.get_offset()/batch.get_index_size();
 222         vk.CmdDrawIndexed(current_buffer, batch.size(), count, first_index, 0, 0);
 223 }
 224
 225 void VulkanCommands::resolve_multisample(Framebuffer &)
 226 {
 227         throw logic_error("VulkanCommands::resolve_multisample is unimplemented");
 228 }
 229
 230 void VulkanCommands::begin_query(const QueryPool &, unsigned)
 231 {
 232         throw logic_error("VulkanCommands::begin_query is unimplemented");
 233 }
 234
 235 void VulkanCommands::end_query(const QueryPool &, unsigned)
 236 {
 237         throw logic_error("VulkanCommands::end_query is unimplemented");
 238 }
 239
 240
 241 VulkanCommands::CommandPool::CommandPool(Device &d):
 242         device(d),
 243         fence(true)
 244 {
 245         const VulkanFunctions &vk = device.get_functions();
 246
 247         VkCommandPoolCreateInfo pool_info = { };
 248         pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
 249         pool_info.flags = VK_COMMAND_POOL_CREATE_TRANSIENT_BIT;
 250         pool_info.queueFamilyIndex = device.get_context().get_private().graphics_queue_family;
 251
 252         vk.CreateCommandPool(pool_info, pool);
 253 }
 254
 255 VulkanCommands::CommandPool::CommandPool(CommandPool &&other):
 256         device(other.device),
 257         pool(other.pool),
 258         fence(move(other.fence)),
 259         in_use(other.in_use)
 260 {
 261         other.pool = 0;
 262 }
 263
 264 VulkanCommands::CommandPool::~CommandPool()
 265 {
 266         const VulkanFunctions &vk = device.get_functions();
 267
 268         if(pool)
 269                 vk.DestroyCommandPool(pool);
 270 }
 271
 272 } // namespace GL
 273 } // namespace Msp