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citro3d/docs/html/draw_arrays_8c_source.html
Luke Nieuwenhuijsen 7d88fe2d01 Created doxygen docs
2022-10-05 15:24:05 -04:00

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<a href="draw_arrays_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &quot;<a class="code" href="internal_8h.html">internal.h</a>&quot;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"><a class="line" href="draw_arrays_8c.html#a3622d8b83a5912c50432f330085564c6"> 3</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="draw_arrays_8c.html#a3622d8b83a5912c50432f330085564c6">C3D_DrawArrays</a>(GPU_Primitive_t primitive, <span class="keywordtype">int</span> first, <span class="keywordtype">int</span> size)</div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span>{</div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> <a class="code hl_function" href="base_8c.html#a4cfecbe235841f7d41495a8dc6b15c32">C3Di_UpdateContext</a>();</div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Set primitive type</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> GPUCMD_AddMaskedWrite(GPUREG_PRIMITIVE_CONFIG, 2, primitive);</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Start a new primitive (breaks off a triangle strip/fan)</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> GPUCMD_AddWrite(GPUREG_RESTART_PRIMITIVE, 1);</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// The index buffer is not used, but this command is still required</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> GPUCMD_AddWrite(GPUREG_INDEXBUFFER_CONFIG, 0x80000000);</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// Number of vertices</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> GPUCMD_AddWrite(GPUREG_NUMVERTICES, size);</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// First vertex</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> GPUCMD_AddWrite(GPUREG_VERTEX_OFFSET, first);</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// Enable array drawing mode</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG2, 1, 1);</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// Enable drawing mode</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> GPUCMD_AddMaskedWrite(GPUREG_START_DRAW_FUNC0, 1, 0);</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Trigger array drawing</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> GPUCMD_AddWrite(GPUREG_DRAWARRAYS, 1);</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// Go back to configuration mode</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> GPUCMD_AddMaskedWrite(GPUREG_START_DRAW_FUNC0, 1, 1);</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// Disable array drawing mode</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG2, 1, 0);</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Clear the post-vertex cache</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> GPUCMD_AddWrite(GPUREG_VTX_FUNC, 1);</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> C3Di_GetContext()-&gt;flags |= <a class="code hl_enumvalue" href="internal_8h.html#a06fc87d81c62e9abb8790b6e5713c55baa82f1706d8bcb1bce7768efc27c910cd">C3DiF_DrawUsed</a>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>}</div>
<div class="ttc" id="abase_8c_html_a4cfecbe235841f7d41495a8dc6b15c32"><div class="ttname"><a href="base_8c.html#a4cfecbe235841f7d41495a8dc6b15c32">C3Di_UpdateContext</a></div><div class="ttdeci">void C3Di_UpdateContext(void)</div><div class="ttdef"><b>Definition:</b> <a href="base_8c_source.html#l00158">base.c:158</a></div></div>
<div class="ttc" id="adraw_arrays_8c_html_a3622d8b83a5912c50432f330085564c6"><div class="ttname"><a href="draw_arrays_8c.html#a3622d8b83a5912c50432f330085564c6">C3D_DrawArrays</a></div><div class="ttdeci">void C3D_DrawArrays(GPU_Primitive_t primitive, int first, int size)</div><div class="ttdef"><b>Definition:</b> <a href="draw_arrays_8c_source.html#l00003">drawArrays.c:3</a></div></div>
<div class="ttc" id="ainternal_8h_html"><div class="ttname"><a href="internal_8h.html">internal.h</a></div></div>
<div class="ttc" id="ainternal_8h_html_a06fc87d81c62e9abb8790b6e5713c55baa82f1706d8bcb1bce7768efc27c910cd"><div class="ttname"><a href="internal_8h.html#a06fc87d81c62e9abb8790b6e5713c55baa82f1706d8bcb1bce7768efc27c910cd">C3DiF_DrawUsed</a></div><div class="ttdeci">@ C3DiF_DrawUsed</div><div class="ttdef"><b>Definition:</b> <a href="internal_8h_source.html#l00076">internal.h:76</a></div></div>
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