/doc/symbols/src/src_Material.js.html

https://github.com/fossil/WebGLU · HTML · 218 lines · 218 code · 0 blank · 0 comment · 0 complexity · 5d5de6c2698cfb787888a8e979a147db MD5 · raw file 

    

  1. <html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
    2. 

  2. 	.KEYW {color: #933;}
    3. 

  3. 	.COMM {color: #bbb; font-style: italic;}
    4. 

  4. 	.NUMB {color: #393;}
    5. 

  5. 	.STRN {color: #393;}
    6. 

  6. 	.REGX {color: #339;}
    7. 

  7. 	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
    8. 

  8. 	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/** @ignore Wrapper function to allow multifile or single file organization */</span><span class="WHIT">
    9. 

  9. <span class='line'>  2</span> </span><span class="NAME">$W.initMaterial</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    10. 

  10. <span class='line'>  3</span> 
    11. 

  11. <span class='line'>  4</span> </span><span class="WHIT">    </span><span class="COMM">/* @class Creates a new material from the provided definition.
    12. 

  12. <span class='line'>  5</span>      * Definition is JS object (possibly loaded from JSON) in
    13. 

  13. <span class='line'>  6</span>      * the following format
    14. 

  14. <span class='line'>  7</span>      * {
    15. 

  15. <span class='line'>  8</span>      *  name: "matName", // The name this material will be refered to by.
    16. 

  16. <span class='line'>  9</span>      *                   // Must be unique within this application
    17. 

  17. <span class='line'> 10</span>      *
    18. 

  18. <span class='line'> 11</span>      *  program: {
    19. 

  19. <span class='line'> 12</span>      *      name: "prgName", // If there already exists a shader program
    20. 

  20. <span class='line'> 13</span>      *                       // with this name, it will be used. Otherwise
    21. 

  21. <span class='line'> 14</span>      *                       // one will be created as defined here.
    22. 

  22. <span class='line'> 15</span>      *      shaders: [ // List of shaders in this program.
    23. 

  23. <span class='line'> 16</span>      *                 // As with the program itself, if a shader with the
    24. 

  24. <span class='line'> 17</span>      *                 // given name already exists it will take precedence
    25. 

  25. <span class='line'> 18</span>      *                 // over creating a new shader.
    26. 

  26. <span class='line'> 19</span>      *          {name: "FS", path: "FS.frag"},
    27. 

  27. <span class='line'> 20</span>      *          {name: "VS", type: $W.GL.VERTEX_SHADER, source: "..."},
    28. 

  28. <span class='line'> 21</span>      *          // etc.
    29. 

  29. <span class='line'> 22</span>      *      ]
    30. 

  30. <span class='line'> 23</span>      *  },
    31. 

  31. <span class='line'> 24</span>      *
    32. 

  32. <span class='line'> 25</span>      *  textures: [
    33. 

  33. <span class='line'> 26</span>      *      // type can be `Image`, `Video`, or `Canvas`
    34. 

  34. <span class='line'> 27</span>      *      {name:"tex", type:"Image", path:"tex.jpg"},
    35. 

  35. <span class='line'> 28</span>      *      // etc.
    36. 

  36. <span class='line'> 29</span>      *  ]
    37. 

  37. <span class='line'> 30</span>      * }
    38. 

  38. <span class='line'> 31</span>      * or
    39. 

  39. <span class='line'> 32</span>      * {
    40. 

  40. <span class='line'> 33</span>      *  path: "mat.json"
    41. 

  41. <span class='line'> 34</span>      * }
    42. 

  42. <span class='line'> 35</span>      * where mat.json is a file containing JSON in the first format
    43. 

  43. <span class='line'> 36</span>      */</span><span class="WHIT">
    44. 

  44. <span class='line'> 37</span> </span><span class="WHIT">    </span><span class="NAME">$W.Material</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">materialDef</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    45. 

  45. <span class='line'> 38</span> 
    46. 

  46. <span class='line'> 39</span> </span><span class="WHIT">        </span><span class="NAME">this.name</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
    47. 

  47. <span class='line'> 40</span> </span><span class="WHIT">        </span><span class="NAME">this.program</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
    48. 

  48. <span class='line'> 41</span> </span><span class="WHIT">        </span><span class="NAME">this.uniforms</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    49. 

  49. <span class='line'> 42</span> </span><span class="WHIT">        </span><span class="NAME">this.attributes</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    50. 

  50. <span class='line'> 43</span> </span><span class="WHIT">        </span><span class="NAME">this.textures</span><span class="WHIT">   </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    51. 

  51. <span class='line'> 44</span> </span><span class="WHIT">        </span><span class="NAME">this.framebuffer</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
    52. 

  52. <span class='line'> 45</span> 
    53. 

  53. <span class='line'> 46</span> </span><span class="WHIT">        </span><span class="NAME">this.setUniformAction</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">MAT_setUniformAction</span><span class="PUNC">(</span><span class="NAME">name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">action</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    54. 

  54. <span class='line'> 47</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">uniform</span><span class="PUNC">;</span><span class="WHIT">
    55. 

  55. <span class='line'> 48</span> </span><span class="WHIT">            </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">this.uniforms.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    56. 

  56. <span class='line'> 49</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.uniforms</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">name</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">name</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    57. 

  57. <span class='line'> 50</span> </span><span class="WHIT">                    </span><span class="NAME">uniform</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.uniforms</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    58. 

  58. <span class='line'> 51</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
    59. 

  59. <span class='line'> 52</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
    60. 

  60. <span class='line'> 53</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">uniform</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT"> </span><span class="WHIT">
    61. 

  61. <span class='line'> 54</span> </span><span class="WHIT">                </span><span class="NAME">uniform.action</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">action</span><span class="PUNC">;</span><span class="WHIT">
    62. 

  62. <span class='line'> 55</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    63. 

  63. <span class='line'> 56</span> </span><span class="WHIT">                </span><span class="NAME">console.warn</span><span class="PUNC">(</span><span class="STRN">"Cannot set uniform action for nonexistant uniform `"</span><span class="PUNC">+</span><span class="WHIT">
    64. 

  64. <span class='line'> 57</span> </span><span class="WHIT">                        </span><span class="NAME">name</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">"`"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    65. 

  65. <span class='line'> 58</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
    66. 

  66. <span class='line'> 59</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    67. 

  67. <span class='line'> 60</span> 
    68. 

  68. <span class='line'> 61</span> </span><span class="WHIT">        </span><span class="NAME">this.setupUniforms</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">MAT_setupUniforms</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    69. 

  69. <span class='line'> 62</span> </span><span class="WHIT">            </span><span class="NAME">this.uniforms</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    70. 

  70. <span class='line'> 63</span> </span><span class="WHIT">            </span><span class="NAME">this.attributes</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    71. 

  71. <span class='line'> 64</span> 
    72. 

  72. <span class='line'> 65</span> </span><span class="WHIT">            </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">this.program.uniforms.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    73. 

  73. <span class='line'> 66</span> </span><span class="WHIT">                </span><span class="NAME">this.uniforms.push</span><span class="PUNC">(</span><span class="NAME">this.program.uniforms</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">clone</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    74. 

  74. <span class='line'> 67</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
    75. 

  75. <span class='line'> 68</span> 
    76. 

  76. <span class='line'> 69</span> </span><span class="WHIT">            </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">this.program.attributes.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    77. 

  77. <span class='line'> 70</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">attrib</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.program.attributes</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    78. 

  78. <span class='line'> 71</span> 
    79. 

  79. <span class='line'> 72</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">attrib.location</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    80. 

  80. <span class='line'> 73</span> </span><span class="WHIT">                    </span><span class="NAME">this.attributes.push</span><span class="PUNC">(</span><span class="NAME">attrib.clone</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    81. 

  81. <span class='line'> 74</span> </span><span class="WHIT">                    </span><span class="NAME">$W.GL.enableVertexAttribArray</span><span class="PUNC">(</span><span class="NAME">attrib.location</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    82. 

  82. <span class='line'> 75</span> 
    83. 

  83. <span class='line'> 76</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
    84. 

  84. <span class='line'> 77</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
    85. 

  85. <span class='line'> 78</span> 
    86. 

  86. <span class='line'> 79</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    87. 

  87. <span class='line'> 80</span> 
    88. 

  88. <span class='line'> 81</span> </span><span class="WHIT">        </span><span class="NAME">this.setupTextureUniforms</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">MAT_setupTextureUniforms</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    89. 

  89. <span class='line'> 82</span> </span><span class="WHIT">            </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">this.textures.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    90. 

  90. <span class='line'> 83</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">action</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">genMultiTextureAction</span><span class="PUNC">(</span><span class="NAME">i</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    91. 

  91. <span class='line'> 84</span> </span><span class="WHIT">                </span><span class="NAME">this.setUniformAction</span><span class="PUNC">(</span><span class="STRN">'wglu_mat_texture'</span><span class="PUNC">+</span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">action</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    92. 

  92. <span class='line'> 85</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
    93. 

  93. <span class='line'> 86</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    94. 

  94. <span class='line'> 87</span> 
    95. 

  95. <span class='line'> 88</span> </span><span class="WHIT">        </span><span class="NAME">this.initFromDef</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">MAT_initFromDef</span><span class="PUNC">(</span><span class="NAME">matDef</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    96. 

  96. <span class='line'> 89</span> </span><span class="WHIT">            </span><span class="COMM">// If we've been provided a path, use that file.</span><span class="WHIT">
    97. 

  97. <span class='line'> 90</span> </span><span class="WHIT">            </span><span class="COMM">// Allow for name override.</span><span class="WHIT">
    98. 

  98. <span class='line'> 91</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">matDef.path</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    99. 

  99. <span class='line'> 92</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">matDef.name</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    100. 

  100. <span class='line'> 93</span> </span><span class="WHIT">                    </span><span class="NAME">this.name</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">matDef.name</span><span class="PUNC">;</span><span class="WHIT">
    101. 

  101. <span class='line'> 94</span> </span><span class="WHIT">                    </span><span class="NAME">matDef</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">$W.util.loadFileAsJSON</span><span class="PUNC">(</span><span class="NAME">matDef.path</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    102. 

  102. <span class='line'> 95</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    103. 

  103. <span class='line'> 96</span> </span><span class="WHIT">                    </span><span class="NAME">matDef</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">$W.util.loadFileAsJSON</span><span class="PUNC">(</span><span class="NAME">matDef.path</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    104. 

  104. <span class='line'> 97</span> </span><span class="WHIT">                    </span><span class="NAME">this.name</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">matDef.name</span><span class="PUNC">;</span><span class="WHIT">
    105. 

  105. <span class='line'> 98</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
    106. 

  106. <span class='line'> 99</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    107. 

  107. <span class='line'>100</span> </span><span class="WHIT">                </span><span class="NAME">this.name</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">matDef.name</span><span class="PUNC">;</span><span class="WHIT">
    108. 

  108. <span class='line'>101</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
    109. 

  109. <span class='line'>102</span> 
    110. 

  110. <span class='line'>103</span> </span><span class="WHIT">            </span><span class="NAME">$W.log</span><span class="PUNC">(</span><span class="NAME">matDef.name</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    111. 

  111. <span class='line'>104</span> 
    112. 

  112. <span class='line'>105</span> </span><span class="WHIT">            </span><span class="NAME">$W.log</span><span class="PUNC">(</span><span class="STRN">'creating material `'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.name</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'`'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    113. 

  113. <span class='line'>106</span> </span><span class="WHIT">            </span><span class="NAME">$W.indentLog</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    114. 

  114. <span class='line'>107</span> 
    115. 

  115. <span class='line'>108</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">initProgram</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">MAT_initProgram</span><span class="PUNC">(</span><span class="NAME">prgDef</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    116. 

  116. <span class='line'>109</span> </span><span class="WHIT">                </span><span class="COMM">// If a program of the name specified in the material doesn't already</span><span class="WHIT">
    117. 

  117. <span class='line'>110</span> </span><span class="WHIT">                </span><span class="COMM">// exist, create it with the specified parameters.</span><span class="WHIT">
    118. 

  118. <span class='line'>111</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">program</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">$W.programs</span><span class="PUNC">[</span><span class="NAME">prgDef.name</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    119. 

  119. <span class='line'>112</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    120. 

  120. <span class='line'>113</span> 
    121. 

  121. <span class='line'>114</span> </span><span class="WHIT">                    </span><span class="NAME">program</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">$W.GLSL.ShaderProgram</span><span class="PUNC">(</span><span class="NAME">prgDef.name</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    122. 

  122. <span class='line'>115</span> 
    123. 

  123. <span class='line'>116</span> </span><span class="WHIT">                    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">prgDef.shaders.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    124. 

  124. <span class='line'>117</span> </span><span class="WHIT">                        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">shaderDef</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">prgDef.shaders</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    125. 

  125. <span class='line'>118</span> 
    126. 

  126. <span class='line'>119</span> </span><span class="WHIT">                        </span><span class="COMM">// Load shader from file</span><span class="WHIT">
    127. 

  127. <span class='line'>120</span> </span><span class="WHIT">                        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">shaderDef.path</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    128. 

  128. <span class='line'>121</span> </span><span class="WHIT">                            </span><span class="NAME">program.attachShader</span><span class="PUNC">(</span><span class="NAME">shaderDef.name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">shaderDef.path</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    129. 

  129. <span class='line'>122</span> 
    130. 

  130. <span class='line'>123</span> </span><span class="WHIT">                        </span><span class="COMM">// Load shader from source code</span><span class="WHIT">
    131. 

  131. <span class='line'>124</span> </span><span class="WHIT">                        </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">shaderDef.source</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    132. 

  132. <span class='line'>125</span> </span><span class="WHIT">                            </span><span class="NAME">program.attachShader</span><span class="PUNC">(</span><span class="NAME">shaderDef.name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">shaderDef.source</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">shaderDef.type</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    133. 

  133. <span class='line'>126</span> 
    134. 

  134. <span class='line'>127</span> </span><span class="WHIT">                        </span><span class="COMM">// Load shader from embedded script</span><span class="WHIT">
    135. 

  135. <span class='line'>128</span> </span><span class="WHIT">                        </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    136. 

  136. <span class='line'>129</span> </span><span class="WHIT">                            </span><span class="NAME">program.attachShader</span><span class="PUNC">(</span><span class="NAME">shaderDef.id</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    137. 

  137. <span class='line'>130</span> </span><span class="WHIT">                        </span><span class="PUNC">}</span><span class="WHIT">
    138. 

  138. <span class='line'>131</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
    139. 

  139. <span class='line'>132</span> </span><span class="WHIT">                    </span><span class="NAME">program.use</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    140. 

  140. <span class='line'>133</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
    141. 

  141. <span class='line'>134</span> 
    142. 

  142. <span class='line'>135</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">program</span><span class="WHIT">
    143. 

  143. <span class='line'>136</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    144. 

  144. <span class='line'>137</span> 
    145. 

  145. <span class='line'>138</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">initTextures</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">MAT_initTextures</span><span class="PUNC">(</span><span class="NAME">texDef</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    146. 

  146. <span class='line'>139</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">textures</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="WHIT">
    147. 

  147. <span class='line'>140</span> 
    148. 

  148. <span class='line'>141</span> </span><span class="WHIT">                </span><span class="COMM">// If textures specified in the material do not exist, create them.</span><span class="WHIT">
    149. 

  149. <span class='line'>142</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">texDef</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    150. 

  150. <span class='line'>143</span> </span><span class="WHIT">                    </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">texDef.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    151. 

  151. <span class='line'>144</span> </span><span class="WHIT">                        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">texture</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">texDef</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
    152. 

  152. <span class='line'>145</span> 
    153. 

  153. <span class='line'>146</span> </span><span class="WHIT">                        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">$W.textures</span><span class="PUNC">[</span><span class="NAME">texture.name</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'undefined'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    154. 

  154. <span class='line'>147</span> 
    155. 

  155. <span class='line'>148</span> </span><span class="WHIT">                            </span><span class="COMM">// type is Image, Canvas, or Video. this calls</span><span class="WHIT">
    156. 

  156. <span class='line'>149</span> </span><span class="WHIT">                            </span><span class="COMM">// ImageTexture, CanvasTexture or VideoTexture.</span><span class="WHIT">
    157. 

  157. <span class='line'>150</span> </span><span class="WHIT">                            </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">texture.type</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">"Image"</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    158. 

  158. <span class='line'>151</span> </span><span class="WHIT">                                </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">$W.ImageTexture</span><span class="PUNC">(</span><span class="NAME">texture.name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">texture.path</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    159. 

  159. <span class='line'>152</span> 
    160. 

  160. <span class='line'>153</span> </span><span class="WHIT">                            </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">texture.type</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="STRN">"Canvas"</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    161. 

  161. <span class='line'>154</span> </span><span class="WHIT">                                </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">$W.CanvasTexture</span><span class="PUNC">(</span><span class="NAME">texDef.name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="WHIT">
    162. 

  162. <span class='line'>155</span> </span><span class="WHIT">                                        </span><span class="NAME">document.getElementById</span><span class="PUNC">(</span><span class="NAME">texture.element_id</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    163. 

  163. <span class='line'>156</span> 
    164. 

  164. <span class='line'>157</span> </span><span class="WHIT">                            </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">texture.type</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">"Video"</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
    165. 

  165. <span class='line'>158</span> </span><span class="WHIT">                                </span><span class="WHIT">
    166. 

  166. <span class='line'>159</span> </span><span class="WHIT">                                </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">$W.VideoTexture</span><span class="PUNC">(</span><span class="NAME">texture.name</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">texture.path</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    167. 

  167. <span class='line'>160</span> </span><span class="WHIT">                            </span><span class="PUNC">}</span><span class="WHIT">
    168. 

  168. <span class='line'>161</span> 
    169. 

  169. <span class='line'>162</span> </span><span class="WHIT">                            </span><span class="NAME">textures.push</span><span class="PUNC">(</span><span class="NAME">texture.name</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    170. 

  170. <span class='line'>163</span> </span><span class="WHIT">                        </span><span class="PUNC">}</span><span class="WHIT">
    171. 

  171. <span class='line'>164</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
    172. 

  172. <span class='line'>165</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
    173. 

  173. <span class='line'>166</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">textures</span><span class="WHIT">
    174. 

  174. <span class='line'>167</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    175. 

  175. <span class='line'>168</span> 
    176. 

  176. <span class='line'>169</span> </span><span class="WHIT">            </span><span class="NAME">this.program</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">initProgram</span><span class="PUNC">(</span><span class="NAME">matDef.program</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    177. 

  177. <span class='line'>170</span> </span><span class="WHIT">            </span><span class="NAME">this.setupUniforms</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    178. 

  178. <span class='line'>171</span> 
    179. 

  179. <span class='line'>172</span> </span><span class="WHIT">            </span><span class="NAME">this.textures</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">initTextures</span><span class="PUNC">(</span><span class="NAME">matDef.textures</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    180. 

  180. <span class='line'>173</span> </span><span class="WHIT">            </span><span class="NAME">this.setupTextureUniforms</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    181. 

  181. <span class='line'>174</span> 
    182. 

  182. <span class='line'>175</span> </span><span class="WHIT">            </span><span class="NAME">$W.log</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    183. 

  183. <span class='line'>176</span> 
    184. 

  184. <span class='line'>177</span> </span><span class="WHIT">            </span><span class="NAME">$W.dedentLog</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
    185. 

  185. <span class='line'>178</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    186. 

  186. <span class='line'>179</span> 
    187. 

  187. <span class='line'>180</span> </span><span class="WHIT">        </span><span class="NAME">this.initFromDef</span><span class="PUNC">(</span><span class="NAME">materialDef</span><span class="PUNC">)</span><span class="WHIT">
    188. 

  188. <span class='line'>181</span> 
    189. 

  189. <span class='line'>182</span> </span><span class="WHIT">        </span><span class="NAME">$W.materials</span><span class="PUNC">[</span><span class="NAME">this.name</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
    190. 

  190. <span class='line'>183</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    191. 

  191. <span class='line'>184</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
    192. 

  192. <span class='line'>185</span> 
    193. 

  193. <span class='line'>186</span> </span><span class="COMM">/** @author Benjamin DeLillo */</span><span class="WHIT">
    194. 

  194. <span class='line'>187</span> </span><span class="COMM">/*
    195. 

  195. <span class='line'>188</span>      *  Copyright (c) 2009-2010 Benjamin P. DeLillo
    196. 

  196. <span class='line'>189</span>      *  
    197. 

  197. <span class='line'>190</span>      *  Permission is hereby granted, free of charge, to any person
    198. 

  198. <span class='line'>191</span>      *  obtaining a copy of this software and associated documentation
    199. 

  199. <span class='line'>192</span>      *  files (the "Software"), to deal in the Software without
    200. 

  200. <span class='line'>193</span>      *  restriction, including without limitation the rights to use,
    201. 

  201. <span class='line'>194</span>      *  copy, modify, merge, publish, distribute, sublicense, and/or sell
    202. 

  202. <span class='line'>195</span>      *  copies of the Software, and to permit persons to whom the
    203. 

  203. <span class='line'>196</span>      *  Software is furnished to do so, subject to the following
    204. 

  204. <span class='line'>197</span>      *  conditions:
    205. 

  205. <span class='line'>198</span>      *  
    206. 

  206. <span class='line'>199</span>      *  The above copyright notice and this permission notice shall be
    207. 

  207. <span class='line'>200</span>      *  included in all copies or substantial portions of the Software.
    208. 

  208. <span class='line'>201</span>      *  
    209. 

  209. <span class='line'>202</span>      *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    210. 

  210. <span class='line'>203</span>      *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
    211. 

  211. <span class='line'>204</span>      *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    212. 

  212. <span class='line'>205</span>      *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
    213. 

  213. <span class='line'>206</span>      *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
    214. 

  214. <span class='line'>207</span>      *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    215. 

  215. <span class='line'>208</span>      *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
    216. 

  216. <span class='line'>209</span>      *  OTHER DEALINGS IN THE SOFTWARE.
    217. 

  217. <span class='line'>210</span> */</span><span class="WHIT">
    218. 

  218. <span class='line'>211</span> </span></pre></body></html>
    219.