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<div class="headertitle"><div class="title">shadow_map.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 "shadow_map.h"</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span>shadow_map::shadow_map()</div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span> : depth_texture_(nullptr), depth_stencil_view_(nullptr), shader_resource_view_(nullptr), width_(0), height_(0) {}</div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span>shadow_map::~shadow_map() {</div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> shutdown();</div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span>}</div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="keywordtype">bool</span> shadow_map::initialize(ID3D11Device* device, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height) {</div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> width_ = width;</div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> height_ = height;</div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> D3D11_TEXTURE2D_DESC texDesc = {};</div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> texDesc.Width = width;</div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> texDesc.Height = height;</div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> texDesc.MipLevels = 1;</div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> texDesc.ArraySize = 1;</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> texDesc.Format = DXGI_FORMAT_R24G8_TYPELESS;</div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> texDesc.SampleDesc.Count = 1;</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> texDesc.Usage = D3D11_USAGE_DEFAULT;</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> texDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE;</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="keywordflow">if</span> (FAILED(device->CreateTexture2D(&texDesc, <span class="keyword">nullptr</span>, &depth_texture_)))</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc = {};</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> dsvDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> dsvDesc.Texture2D.MipSlice = 0;</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">if</span> (FAILED(device->CreateDepthStencilView(depth_texture_, &dsvDesc, &depth_stencil_view_)))</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc = {};</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> srvDesc.Format = DXGI_FORMAT_R24_UNORM_X8_TYPELESS;</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> srvDesc.Texture2D.MipLevels = 1;</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">if</span> (FAILED(device->CreateShaderResourceView(depth_texture_, &srvDesc, &shader_resource_view_)))</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>}</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keywordtype">void</span> shadow_map::shutdown() {</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> (shader_resource_view_) { shader_resource_view_->Release(); shader_resource_view_ = <span class="keyword">nullptr</span>; }</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">if</span> (depth_stencil_view_) { depth_stencil_view_->Release(); depth_stencil_view_ = <span class="keyword">nullptr</span>; }</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">if</span> (depth_texture_) { depth_texture_->Release(); depth_texture_ = <span class="keyword">nullptr</span>; }</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span>}</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="keywordtype">void</span> shadow_map::set_render_target(ID3D11DeviceContext* context) {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> context->OMSetRenderTargets(0, <span class="keyword">nullptr</span>, depth_stencil_view_);</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>}</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="keywordtype">void</span> shadow_map::clear_render_target(ID3D11DeviceContext* context, <span class="keywordtype">float</span> depth) {</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> context->ClearDepthStencilView(depth_stencil_view_, D3D11_CLEAR_DEPTH, depth, 0);</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>}</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>ID3D11ShaderResourceView* shadow_map::get_shader_resource_view() {</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> shader_resource_view_;</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span>}</div>
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<li class="navelem"><a class="el" href="dir_f4a881938f04d9c04de7741e8b9c813b.html">enginecustom</a></li><li class="navelem"><a class="el" href="dir_4288ac3ffb2af5f572fd6fdc04a1176b.html">src</a></li><li class="navelem"><a class="el" href="dir_9f969fb6181399983524402442d3614f.html">src</a></li><li class="navelem"><a class="el" href="dir_eca5a6ecd54f1e6167f92aa8e37ec00f.html">system</a></li><li class="navelem"><b>shadow_map.cpp</b></li>
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