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<div class="title">code_gen_template.h</div>  </div>
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<a href="code__gen__template_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// Copyright 2013 The Flutter Authors. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// found in the LICENSE file.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160; </div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;string_view&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceimpeller.html">impeller</a> {</div>
<div class="line"><a name="l00008"></a><span class="lineno"><a class="line" href="namespaceimpeller_1_1compiler.html">    8</a></span>&#160;<span class="keyword">namespace </span>compiler {</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno"><a class="line" href="namespaceimpeller_1_1compiler.html#ab71ae7139143318fe1292f9431c674d3">   10</a></span>&#160;constexpr std::string_view <a class="code" href="namespaceimpeller_1_1compiler.html#ab71ae7139143318fe1292f9431c674d3">kReflectionHeaderTemplate</a> =</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;    R<span class="stringliteral">&quot;~~(// THIS FILE IS GENERATED BY impellerc.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="stringliteral">// DO NOT EDIT OR CHECK THIS INTO SOURCE CONTROL</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="stringliteral">#pragma once</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="stringliteral">{# Note: The nogncheck decorations are only to make GN not mad at the template#}</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="stringliteral">{# this file is generated from. There are no GN rule violations in the generated#}</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="stringliteral">{# file itself and the no-check declarations will be stripped in generated files.#}</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="stringliteral">#include &quot;impeller/core/buffer_view.h&quot;                {# // nogncheck #}</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="stringliteral">#include &quot;impeller/core/sampler.h&quot;                    {# // nogncheck #}</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="stringliteral">#include &quot;impeller/core/shader_types.h&quot;               {# // nogncheck #}</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="stringliteral">#include &quot;impeller/core/resource_binder.h&quot;            {# // nogncheck #}</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="stringliteral">#include &quot;impeller/core/texture.h&quot;                    {# // nogncheck #}</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="stringliteral">namespace impeller {</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="stringliteral">struct {{camel_case(shader_name)}}{{camel_case(shader_stage)}}Shader {</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="stringliteral">  // Stage Info ================================================================</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="stringliteral">  static constexpr std::string_view kLabel = &quot;{{camel_case(shader_name)}}&quot;;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="stringliteral">  static constexpr std::string_view kEntrypointName = &quot;{{entrypoint}}&quot;;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="stringliteral">  static constexpr ShaderStage kShaderStage = {{to_shader_stage(shader_stage)}};</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="stringliteral">  // The generator used to prepare these bindings. Metal generators may be used</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="stringliteral">  // by GLES backends but GLES generators are unsuitable for the metal backend.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="stringliteral">  static constexpr std::string_view kGeneratorName = &quot;{{get_generator_name()}}&quot;;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="stringliteral">{% if length(struct_definitions) &gt; 0 %}</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="stringliteral">  // Struct Definitions ========================================================</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="stringliteral">{% for def in struct_definitions %}</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="stringliteral">{% if last(def.members).array_elements == 0 %}</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="stringliteral">  template &lt;size_t FlexCount&gt;</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="stringliteral">{% endif %}</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="stringliteral">  struct {{def.name}} {</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="stringliteral">{% for member in def.members %}</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="stringliteral">{{&quot;    &quot;}}{% if member.element_padding &gt; 0 %}Padded&lt;{{member.type}}, {{member.element_padding}}&gt;{% else %}{{member.type}}{% endif %}{{&quot; &quot; + member.name}}{% if member.array_elements != &quot;std::nullopt&quot; %}[{% if member.array_elements == 0 %}FlexCount{% else %}{{member.array_elements}}{% endif %}]{% endif %}; // (offset {{member.offset}}, size {{member.byte_length}})</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="stringliteral">  }; // struct {{def.name}} (size {{def.byte_length}})</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="stringliteral">{% endif %}</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="stringliteral">{% if length(buffers) &gt; 0 %}</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="stringliteral">  // Stage Uniform &amp; Storage Buffers ===========================================</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="stringliteral">{% for buffer in buffers %}</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="stringliteral">  static constexpr auto kResource{{camel_case(buffer.name)}} = ShaderUniformSlot { // {{buffer.name}}</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="stringliteral">    &quot;{{buffer.name}}&quot;,     // name</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="stringliteral">    {{buffer.ext_res_0}}u, // ext_res_0</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="stringliteral">    {{buffer.set}}u,       // set</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="stringliteral">    {{buffer.binding}}u,   // binding</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="stringliteral">  static ShaderMetadata kMetadata{{camel_case(buffer.name)}};</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="stringliteral">{% endif %}</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="stringliteral">  // Stage Inputs ==============================================================</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="stringliteral">{% for stage_input in stage_inputs %}</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="stringliteral">  static constexpr auto kInput{{camel_case(stage_input.name)}} = ShaderStageIOSlot { // {{stage_input.name}}</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="stringliteral">    &quot;{{stage_input.name}}&quot;,             // name</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="stringliteral">    {{stage_input.location}}u,          // attribute location</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="stringliteral">    {{stage_input.descriptor_set}}u,    // attribute set</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="stringliteral">    {{stage_input.binding}}u,           // attribute binding</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="stringliteral">    {{stage_input.type.type_name}},     // type</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="stringliteral">    {{stage_input.type.bit_width}}u,    // bit width of type</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="stringliteral">    {{stage_input.type.vec_size}}u,     // vec size</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="stringliteral">    {{stage_input.type.columns}}u,      // number of columns</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="stringliteral">    {{stage_input.offset}}u,            // offset for interleaved layout</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="stringliteral">    {{stage_input.relaxed_precision}},  // relaxed precision</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="stringliteral">  static constexpr std::array&lt;const ShaderStageIOSlot*, {{length(stage_inputs)}}&gt; kAllShaderStageInputs = {</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="stringliteral">{% for stage_input in stage_inputs %}</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="stringliteral">    &amp;kInput{{camel_case(stage_input.name)}}, // {{stage_input.name}}</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="stringliteral">{% if shader_stage == &quot;vertex&quot; %}</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="stringliteral">  static constexpr auto kInterleavedLayout = ShaderStageBufferLayout {</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="stringliteral">{% if length(stage_inputs) &gt; 0 %}</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="stringliteral">    sizeof(PerVertexData),                 // stride for interleaved layout</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="stringliteral">{% else %}</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="stringliteral">    0u,</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="stringliteral">{% endif %}</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="stringliteral">    0u,                                    // attribute binding</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="stringliteral">  static constexpr std::array&lt;const ShaderStageBufferLayout*, 1&gt; kInterleavedBufferLayout = {</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="stringliteral">    &amp;kInterleavedLayout</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="stringliteral">{% endif %}</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="stringliteral">{% if length(sampled_images) &gt; 0 %}</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="stringliteral">  // Sampled Images ============================================================</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="stringliteral">{% for sampled_image in sampled_images %}</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="stringliteral">  static constexpr auto kResource{{camel_case(sampled_image.name)}} = SampledImageSlot { // {{sampled_image.name}}</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="stringliteral">    &quot;{{sampled_image.name}}&quot;,      // name</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="stringliteral">    {{sampled_image.ext_res_0}}u,  // ext_res_0</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="stringliteral">    {{sampled_image.set}}u,        // set</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="stringliteral">    {{sampled_image.binding}}u,    // binding</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="stringliteral">  static ShaderMetadata kMetadata{{camel_case(sampled_image.name)}};</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="stringliteral">{% endif %}</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="stringliteral">  // Stage Outputs =============================================================</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="stringliteral">{% for stage_output in stage_outputs %}</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="stringliteral">  static constexpr auto kOutput{{camel_case(stage_output.name)}} = ShaderStageIOSlot { // {{stage_output.name}}</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="stringliteral">    &quot;{{stage_output.name}}&quot;,             // name</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="stringliteral">    {{stage_output.location}}u,          // attribute location</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="stringliteral">    {{stage_output.descriptor_set}}u,    // attribute set</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="stringliteral">    {{stage_output.binding}}u,           // attribute binding</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="stringliteral">    {{stage_output.type.type_name}},     // type</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="stringliteral">    {{stage_output.type.bit_width}}u,    // bit width of type</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="stringliteral">    {{stage_output.type.vec_size}}u,     // vec size</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="stringliteral">    {{stage_output.type.columns}}u,      // number of columns</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="stringliteral">    {{stage_output.offset}}u,            // offset for interleaved layout</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="stringliteral">    {{stage_output.relaxed_precision}},  // relaxed precision</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="stringliteral">  static constexpr std::array&lt;const ShaderStageIOSlot*, {{length(stage_outputs)}}&gt; kAllShaderStageOutputs = {</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="stringliteral">{% for stage_output in stage_outputs %}</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="stringliteral">    &amp;kOutput{{camel_case(stage_output.name)}}, // {{stage_output.name}}</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="stringliteral">  };</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="stringliteral">  // Resource Binding Utilities ================================================</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="stringliteral">  // ===========================================================================</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="stringliteral">{% for proto in bind_prototypes %}</span><span class="comment"></span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="comment">  /// {{proto.docstring}}</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="comment"></span>  static {{proto.return_type}} Bind{{proto.name}}({% for arg in proto.args %}</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;{{arg.type_name}} {{arg.argument_name}}{% if not loop.is_last %}, {% endif %}</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;{% endfor %}) {</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    return {{ proto.args.0.argument_name }}.BindResource({% for arg in proto.args %}</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;  {% if loop.is_first %}</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;{{to_shader_stage(shader_stage)}}, {{ proto.descriptor_type }}, kResource{{ proto.name }}, kMetadata{{ proto.name }}, {% else %}</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;std::move({{ arg.argument_name }}){% if not loop.is_last %}, {% endif %}</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  {% endif %}</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  {% endfor %});</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  }</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;{% endfor %}</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; </div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  // ===========================================================================</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;  // Metadata for Vulkan =======================================================</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;  // ===========================================================================</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  static constexpr std::array&lt;DescriptorSetLayout,{{length(buffers)+length(sampled_images)+length(subpass_inputs)}}&gt; kDescriptorSetLayouts{</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;{% for subpass_input in subpass_inputs %}</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    DescriptorSetLayout{</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;      {{subpass_input.binding}}, // binding = {{subpass_input.binding}}</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;      {{subpass_input.descriptor_type}}, // descriptor_type = {{subpass_input.descriptor_type}}</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;      {{to_shader_stage(shader_stage)}}, // shader_stage = {{to_shader_stage(shader_stage)}}</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    },</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;{% endfor %}</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;{% for buffer in buffers %}</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    DescriptorSetLayout{</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      {{buffer.binding}}, // binding = {{buffer.binding}}</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;      {{buffer.descriptor_type}}, // descriptor_type = {{buffer.descriptor_type}}</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;      {{to_shader_stage(shader_stage)}}, // shader_stage = {{to_shader_stage(shader_stage)}}</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    },</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;{% endfor %}</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;{% for sampled_image in sampled_images %}</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    DescriptorSetLayout{</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;      {{sampled_image.binding}}, // binding = {{sampled_image.binding}}</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;      {{sampled_image.descriptor_type}}, // descriptor_type = {{sampled_image.descriptor_type}}</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;      {{to_shader_stage(shader_stage)}}, // shader_stage = {{to_shader_stage(shader_stage)}}</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    },</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;{% endfor %}</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;  };</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160; </div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;};  // struct {{camel_case(shader_name)}}{{camel_case(shader_stage)}}Shader</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;}  // namespace impeller</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;)~~&quot;;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160; </div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="namespaceimpeller_1_1compiler.html#ac10822ae7be2099e195f1d1ae905978a">  202</a></span>&#160;constexpr std::string_view <a class="code" href="namespaceimpeller_1_1compiler.html#ac10822ae7be2099e195f1d1ae905978a">kReflectionCCTemplate</a> =</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    R<span class="stringliteral">&quot;~~(// THIS FILE IS GENERATED BY impellerc.</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="stringliteral">// DO NOT EDIT OR CHECK THIS INTO SOURCE CONTROL</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="stringliteral">#include &quot;{{header_file_name}}&quot;</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="stringliteral">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="stringliteral">namespace impeller {</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="stringliteral">using Shader = {{camel_case(shader_name)}}{{camel_case(shader_stage)}}Shader;</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="stringliteral">{% for def in struct_definitions %}</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="stringliteral">// Sanity checks for {{def.name}}</span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;<span class="stringliteral">{% if last(def.members).array_elements == 0 %}</span></div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="stringliteral">static_assert(std::is_standard_layout_v&lt;Shader::{{def.name}}&lt;0&gt;&gt;);</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="stringliteral">{% for member in def.members %}</span></div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="stringliteral">static_assert(offsetof(Shader::{{def.name}}&lt;0&gt;, {{member.name}}) == {{member.offset}});</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="stringliteral">{% else %}</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="stringliteral">static_assert(std::is_standard_layout_v&lt;Shader::{{def.name}}&gt;);</span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="stringliteral">static_assert(sizeof(Shader::{{def.name}}) == {{def.byte_length}});</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="stringliteral">{% for member in def.members %}</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="stringliteral">static_assert(offsetof(Shader::{{def.name}}, {{member.name}}) == {{member.offset}});</span></div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="stringliteral">{% endif %}</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="stringliteral">{% for buffer in buffers %}</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="stringliteral">ShaderMetadata Shader::kMetadata{{camel_case(buffer.name)}} = {</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="stringliteral">  &quot;{{buffer.name}}&quot;,    // name</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="stringliteral">  std::vector&lt;ShaderStructMemberMetadata&gt; {</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="stringliteral">    {% for member in buffer.type.members %}</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="stringliteral">      ShaderStructMemberMetadata {</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="stringliteral">        {{ member.base_type }},      // type</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="stringliteral">        &quot;{{ member.name }}&quot;,         // name</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="stringliteral">        {{ member.offset }},         // offset</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="stringliteral">        {{ member.size }},           // size</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="stringliteral">        {{ member.byte_length }},    // byte_length</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="stringliteral">        {{ member.array_elements }}, // array_elements</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="stringliteral">      },</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="stringliteral">    {% endfor %}</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="stringliteral">  } // members</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="stringliteral">};</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="stringliteral">{% for sampled_image in sampled_images %}</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="stringliteral">ShaderMetadata Shader::kMetadata{{camel_case(sampled_image.name)}} = {</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="stringliteral">    &quot;{{sampled_image.name}}&quot;,    // name</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="stringliteral">    std::vector&lt;ShaderStructMemberMetadata&gt; {}, // 0 members</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="stringliteral">};</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="stringliteral">{% endfor %}</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="stringliteral">}  // namespace impeller</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="stringliteral">)~~&quot;;</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="stringliteral">}  </span><span class="comment">// namespace compiler</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;}  <span class="comment">// namespace impeller</span></div>
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<div class="ttc" id="anamespaceimpeller_1_1compiler_html_ac10822ae7be2099e195f1d1ae905978a"><div class="ttname"><a href="namespaceimpeller_1_1compiler.html#ac10822ae7be2099e195f1d1ae905978a">impeller::compiler::kReflectionCCTemplate</a></div><div class="ttdeci">constexpr std::string_view kReflectionCCTemplate</div><div class="ttdef"><b>Definition:</b> <a href="code__gen__template_8h_source.html#l00202">code_gen_template.h:202</a></div></div>
<div class="ttc" id="anamespaceimpeller_1_1compiler_html_ab71ae7139143318fe1292f9431c674d3"><div class="ttname"><a href="namespaceimpeller_1_1compiler.html#ab71ae7139143318fe1292f9431c674d3">impeller::compiler::kReflectionHeaderTemplate</a></div><div class="ttdeci">constexpr std::string_view kReflectionHeaderTemplate</div><div class="ttdef"><b>Definition:</b> <a href="code__gen__template_8h_source.html#l00010">code_gen_template.h:10</a></div></div>
<div class="ttc" id="anamespaceimpeller_html"><div class="ttname"><a href="namespaceimpeller.html">impeller</a></div><div class="ttdef"><b>Definition:</b> <a href="allocation_8cc_source.html#l00012">allocation.cc:12</a></div></div>
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