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<div class="headertitle"><div class="title">VulkanRenderer.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include <stdafx.h></span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include "VulkanRenderer.h"</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include "Context.h"</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include "glm/gtc/random.hpp"</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include "RenderPass.h"</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include "Vertex.h"</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include "Scene.h"</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include "Model.h"</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include "Camera.h"</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="keyword">namespace </span>fpr</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span>{</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keywordtype">bool</span> VulkanRenderer::IsRunning()<span class="keyword"> const</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <span class="keywordflow">return</span> !glfwWindowShouldClose(fpr::Context::Get().GetWindow()->GetWindowHandle());</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span>}</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span>VulkanRenderer::VulkanRenderer()</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span>{</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span>}</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keywordtype">void</span> VulkanRenderer::SetScene(<a class="code hl_class" href="classfpr_1_1_scene.html">fpr::Scene</a>* scene)</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span>{</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="comment">//Setting scene requires that commands are re-recorded, as now different models are present.</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <a class="code hl_class" href="classfpr_1_1_context.html">fpr::Context</a>& context = fpr::Context::Get();</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> context.m_loaded_scene = scene;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> context.GetSwapChain()->RecordCommands();</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">for</span>(<span class="keyword">auto</span>& model : scene->GetModels())</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">for</span>(<span class="keyword">auto</span>& mesh : model->GetMeshes())</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">auto</span> matrix = mesh.GetMatrix();</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">auto</span> index = mesh.GetMeshIndex();</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> memcpy(&context.PER_MODEL_UBO.model_matrix[index], &matrix, <span class="keyword">sizeof</span>(glm::mat4));</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> }</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>}</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keywordtype">void</span> VulkanRenderer::Draw(<a class="code hl_class" href="classfpr_1_1_camera.html">fpr::Camera</a>* camera)</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">static</span> <span class="keywordtype">double</span> now;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">static</span> <span class="keywordtype">double</span> delta;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">static</span> <span class="keywordtype">double</span> last_time;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">auto</span>& context_ref = fpr::Context::Get();</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">//Update the model matrix.</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="comment">//Big performance hit. Could differentiate between static and dynamic models, as most models are static iin most cases and can live in a buffer that doesn't need to be touched.</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> context_ref.m_render_graph->Buffers.Get(<span class="stringliteral">"Model"</span> + std::to_string(context_ref.GetSwapChain()->GetCurrentFrameIdx()))</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> ->Update(context_ref.PER_MODEL_UBO.model_matrix);</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> camera->Update();</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> m_per_frame_UBO.camera_position = camera->GetPosition();</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> m_per_frame_UBO.projection_matrix = camera->GetProjectionMatrix();</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> m_per_frame_UBO.view_matrix = camera->GetViewMatrix();</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">auto</span> result = context_ref.GetSwapChain()->SubmitFrame();</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">if</span>(result != vk::Result::eSuccess) [[unlikely]]</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> context_ref.RecreateSwapchain();</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> context_ref.m_render_graph->Buffers.Get(<span class="stringliteral">"Camera"</span> + std::to_string(context_ref.GetSwapChain()->GetCurrentFrameIdx()))</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> ->Update(&m_per_frame_UBO);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> fpr::InputHandler::SetDeltaTime(delta);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> fpr::InputHandler::Update(context_ref.GetWindow()->GetWindowHandle());</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> fpr::PointLight::Update();</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> now = glfwGetTime();</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> delta = now - last_time;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> std::cout << 1.f / delta << <span class="charliteral">'\n'</span>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> last_time = now;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> glfwPollEvents();</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>VulkanRenderer::~VulkanRenderer()</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>{</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">auto</span>& context_ref = fpr::Context::Get();</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> [[maybe_unused]] vk::Result result = context_ref.GetDevice()->GetLogicalDeviceHandle().waitIdle();</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> assert((<span class="stringliteral">"Device idle state not reached upon cleanup"</span>, result == vk::Result::eSuccess));</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>}</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>} <span class="comment">// namespace fpr</span></div>
<div class="ttc" id="aclassfpr_1_1_camera_html"><div class="ttname"><a href="classfpr_1_1_camera.html">fpr::Camera</a></div><div class="ttdef"><b>Definition:</b> <a href="_camera_8h_source.html#l00005">Camera.h:6</a></div></div>
<div class="ttc" id="aclassfpr_1_1_context_html"><div class="ttname"><a href="classfpr_1_1_context.html">fpr::Context</a></div><div class="ttdef"><b>Definition:</b> <a href="_context_8h_source.html#l00028">Context.h:29</a></div></div>
<div class="ttc" id="aclassfpr_1_1_scene_html"><div class="ttname"><a href="classfpr_1_1_scene.html">fpr::Scene</a></div><div class="ttdef"><b>Definition:</b> <a href="_scene_8h_source.html#l00009">Scene.h:10</a></div></div>
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