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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#define GF_EXPOSE_DRAW_PLATFORM</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#define GF_EXPOSE_DRAW</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;<a class="code" href="gf__pre_8h.html">gf_pre.h</a>&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">/* External library */</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;<a class="code" href="gf__opengl_8h.html">gf_opengl.h</a>&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">/* Interface */</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;<a class="code" href="gf__draw__platform_8h.html">gf_draw_platform.h</a>&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">/* Engine */</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;<a class="code" href="gf__draw__driver_8h.html">gf_draw_driver.h</a>&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;<a class="code" href="gf__log_8h.html">gf_log.h</a>&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;<a class="code" href="gf__draw_8h.html">gf_draw.h</a>&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">/* Standard */</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keywordtype">void</span> gf_draw_platform_begin(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> glfwInit();</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 1);</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> glfwWindowHint(GLFW_DOUBLEBUFFER, GLFW_TRUE);</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_ANY_PROFILE);</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span>}</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keywordtype">void</span> gf_draw_platform_end(<span class="keywordtype">void</span>) {}</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keywordtype">void</span> gf_glfw_size(GLFWwindow* window, <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h) {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <a class="code hl_struct" href="structgf__draw__t.html">gf_draw_t</a>* draw = (<a class="code hl_struct" href="structgf__draw__t.html">gf_draw_t</a>*)glfwGetWindowUserPointer(window);</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#adeb3586537ce39bf94c594dec0348346">width</a> = w;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#ae300bda23f566c186f873c56c5d32a3f">height</a> = h;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> glfwSetWindowSize(window, w, h);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> gf_draw_reshape(draw);</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>}</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="keywordtype">int</span> gf_draw_platform_has_extension(<a class="code hl_struct" href="structgf__draw__t.html">gf_draw_t</a>* draw, <span class="keyword">const</span> <span class="keywordtype">char</span>* query) {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* ext = NULL;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* ptr;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">const</span> <span class="keywordtype">int</span> len = strlen(query);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> glfwMakeContextCurrent(draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#ab7893e83d1d13fe68efbed786df0ce5c">platform</a>-&gt;window);</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">return</span> glfwExtensionSupported(query);</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>}</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="keywordtype">int</span> gf_draw_platform_step(<a class="code hl_struct" href="structgf__draw__t.html">gf_draw_t</a>* draw) {</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">int</span> w, h;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> glfwMakeContextCurrent(draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#ab7893e83d1d13fe68efbed786df0ce5c">platform</a>-&gt;window);</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#a923e76b7eba5d6bca1c92bea6a716adb">close</a> = glfwWindowShouldClose(draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#ab7893e83d1d13fe68efbed786df0ce5c">platform</a>-&gt;window);</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span>(draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#a923e76b7eba5d6bca1c92bea6a716adb">close</a>) glfwSetWindowShouldClose(draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#ab7893e83d1d13fe68efbed786df0ce5c">platform</a>-&gt;window, GLFW_FALSE);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> glfwPollEvents();</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">if</span>(ret == 0) {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> gf_draw_driver_before(draw);</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> gf_draw_frame(draw);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> gf_draw_driver_after(draw);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> glfwSwapBuffers(draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#ab7893e83d1d13fe68efbed786df0ce5c">platform</a>-&gt;window);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>}</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><a class="code hl_struct" href="structgf__draw__platform__t.html">gf_draw_platform_t</a>* gf_draw_platform_create(<a class="code hl_struct" href="structgf__engine__t.html">gf_engine_t</a>* engine, <a class="code hl_struct" href="structgf__draw__t.html">gf_draw_t</a>* draw) {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_struct" href="structgf__draw__platform__t.html">gf_draw_platform_t</a>* platform = malloc(<span class="keyword">sizeof</span>(*platform));</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> memset(platform, 0, <span class="keyword">sizeof</span>(*platform));</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> platform-&gt;engine = engine;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> platform-&gt;window = glfwCreateWindow(draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#adeb3586537ce39bf94c594dec0348346">width</a>, draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#ae300bda23f566c186f873c56c5d32a3f">height</a>, draw-&gt;<a class="code hl_variable" href="structgf__draw__t.html#a24c971423b1befdce81738a39080b552">title</a>, NULL, NULL);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">if</span>(platform-&gt;window == NULL) {</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_define" href="gf__log_8h.html#a165a2d1cecbdd974b4a44450011bb84a">gf_log_function</a>(engine, <span class="stringliteral">&quot;Failed to create window&quot;</span>, <span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> gf_draw_platform_destroy(platform);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> glfwSetWindowUserPointer(platform-&gt;window, draw);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> glfwSetWindowSizeCallback(platform-&gt;window, gf_glfw_size);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> glfwMakeContextCurrent(platform-&gt;window);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="preprocessor">#ifdef DO_SWAP_INTERVAL</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> glfwSwapInterval(1);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> platform;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>}</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="keywordtype">void</span> gf_draw_platform_destroy(<a class="code hl_struct" href="structgf__draw__platform__t.html">gf_draw_platform_t</a>* platform) {</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span>(platform-&gt;window != NULL) {</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> glfwDestroyWindow(platform-&gt;window);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <a class="code hl_define" href="gf__log_8h.html#a165a2d1cecbdd974b4a44450011bb84a">gf_log_function</a>(platform-&gt;engine, <span class="stringliteral">&quot;Destroyed platform-dependent part of drawing driver&quot;</span>, <span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> free(platform);</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span>}</div>
<div class="ttc" id="agf__draw_8h_html"><div class="ttname"><a href="gf__draw_8h.html">gf_draw.h</a></div><div class="ttdoc">Drawing interface.</div></div>
<div class="ttc" id="agf__draw__driver_8h_html"><div class="ttname"><a href="gf__draw__driver_8h.html">gf_draw_driver.h</a></div><div class="ttdoc">Drawing driver.</div></div>
<div class="ttc" id="agf__draw__platform_8h_html"><div class="ttname"><a href="gf__draw__platform_8h.html">gf_draw_platform.h</a></div><div class="ttdoc">Platform-dependent part of drawing driver.</div></div>
<div class="ttc" id="agf__log_8h_html"><div class="ttname"><a href="gf__log_8h.html">gf_log.h</a></div><div class="ttdoc">Logger.</div></div>
<div class="ttc" id="agf__log_8h_html_a165a2d1cecbdd974b4a44450011bb84a"><div class="ttname"><a href="gf__log_8h.html#a165a2d1cecbdd974b4a44450011bb84a">gf_log_function</a></div><div class="ttdeci">#define gf_log_function(engine, fmt,...)</div><div class="ttdoc">Output log with line number and function name.</div><div class="ttdef"><b>Definition</b> <a href="gf__log_8h_source.html#l00026">gf_log.h:26</a></div></div>
<div class="ttc" id="agf__opengl_8h_html"><div class="ttname"><a href="gf__opengl_8h.html">gf_opengl.h</a></div><div class="ttdoc">OpenGL headers.</div></div>
<div class="ttc" id="agf__pre_8h_html"><div class="ttname"><a href="gf__pre_8h.html">gf_pre.h</a></div><div class="ttdoc">Required headers before anything.</div></div>
<div class="ttc" id="astructgf__draw__platform__t_html"><div class="ttname"><a href="structgf__draw__platform__t.html">gf_draw_platform_t</a></div><div class="ttdoc">Platform-dependent part of drawing driver.</div><div class="ttdef"><b>Definition</b> <a href="draw__platform_8h_source.html#l00065">draw_platform.h:65</a></div></div>
<div class="ttc" id="astructgf__draw__t_html"><div class="ttname"><a href="structgf__draw__t.html">gf_draw_t</a></div><div class="ttdoc">Drawing interface.</div><div class="ttdef"><b>Definition</b> <a href="draw_8h_source.html#l00101">draw.h:101</a></div></div>
<div class="ttc" id="astructgf__draw__t_html_a24c971423b1befdce81738a39080b552"><div class="ttname"><a href="structgf__draw__t.html#a24c971423b1befdce81738a39080b552">gf_draw_t::title</a></div><div class="ttdeci">char title[128]</div><div class="ttdoc">Window title.</div><div class="ttdef"><b>Definition</b> <a href="draw_8h_source.html#l00101">draw.h:101</a></div></div>
<div class="ttc" id="astructgf__draw__t_html_a923e76b7eba5d6bca1c92bea6a716adb"><div class="ttname"><a href="structgf__draw__t.html#a923e76b7eba5d6bca1c92bea6a716adb">gf_draw_t::close</a></div><div class="ttdeci">int close</div><div class="ttdoc">1 if it was requested to be closed, otherwise 0</div><div class="ttdef"><b>Definition</b> <a href="draw_8h_source.html#l00101">draw.h:101</a></div></div>
<div class="ttc" id="astructgf__draw__t_html_ab7893e83d1d13fe68efbed786df0ce5c"><div class="ttname"><a href="structgf__draw__t.html#ab7893e83d1d13fe68efbed786df0ce5c">gf_draw_t::platform</a></div><div class="ttdeci">gf_draw_platform_t * platform</div><div class="ttdoc">Platform-dependent part of drawing driver.</div><div class="ttdef"><b>Definition</b> <a href="draw_8h_source.html#l00101">draw.h:101</a></div></div>
<div class="ttc" id="astructgf__draw__t_html_adeb3586537ce39bf94c594dec0348346"><div class="ttname"><a href="structgf__draw__t.html#adeb3586537ce39bf94c594dec0348346">gf_draw_t::width</a></div><div class="ttdeci">int width</div><div class="ttdoc">Width of window.</div><div class="ttdef"><b>Definition</b> <a href="draw_8h_source.html#l00101">draw.h:101</a></div></div>
<div class="ttc" id="astructgf__draw__t_html_ae300bda23f566c186f873c56c5d32a3f"><div class="ttname"><a href="structgf__draw__t.html#ae300bda23f566c186f873c56c5d32a3f">gf_draw_t::height</a></div><div class="ttdeci">int height</div><div class="ttdoc">Height of window.</div><div class="ttdef"><b>Definition</b> <a href="draw_8h_source.html#l00101">draw.h:101</a></div></div>
<div class="ttc" id="astructgf__engine__t_html"><div class="ttname"><a href="structgf__engine__t.html">gf_engine_t</a></div><div class="ttdoc">Engine instance.</div><div class="ttdef"><b>Definition</b> <a href="core_8h_source.html#l00044">core.h:44</a></div></div>
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