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<a href="#define-members">Macros</a> |
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<div class="title">convolution3x3.cl File Reference</div> </div>
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<div class="textblock"><code>#include "<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>"</code><br />
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<p><a href="convolution3x3_8cl_source.xhtml">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:afb8c72ce35c4a1f4a2588d6573e54aa1"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>   short</td></tr>
<tr class="separator:afb8c72ce35c4a1f4a2588d6573e54aa1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac06f3e24d3fffd3c465d8b2a6e7c985e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>   uchar</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a92702074338198e81a46c3e309d9b04f"><td class="memItemLeft" align="right" valign="top">short8 </td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a> (__global const uchar *left_pixel, const short left_coeff, const short middle_coeff, const short right_coeff)</td></tr>
<tr class="memdesc:a92702074338198e81a46c3e309d9b04f"><td class="mdescLeft"> </td><td class="mdescRight">Compute a 1D horizontal convolution of size 3 for 8 bytes assuming the input is made of 1 channel of 1 byte (i.e 8 pixels). <a href="#a92702074338198e81a46c3e309d9b04f">More...</a><br /></td></tr>
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<tr class="memitem:afc5fefe72e66f0ae5191fd5b708fade9"><td class="memItemLeft" align="right" valign="top">short8 </td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a> (<a class="el" href="struct_image.xhtml">Image</a> *src, const short mat0, const short mat1, const short mat2, const short mat3, const short mat4, const short mat5, const short mat6, const short mat7, const short mat8, uint scale)</td></tr>
<tr class="memdesc:afc5fefe72e66f0ae5191fd5b708fade9"><td class="mdescLeft"> </td><td class="mdescRight">Apply a 3x3 convolution matrix to a single channel U8 input image and return the result. <a href="#afc5fefe72e66f0ae5191fd5b708fade9">More...</a><br /></td></tr>
<tr class="separator:afc5fefe72e66f0ae5191fd5b708fade9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa0b80492bb4faef0b052d95a8aa147e4"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="convolution3x3_8cl.xhtml#aa0b80492bb4faef0b052d95a8aa147e4">convolution3x3_static</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
<tr class="memdesc:aa0b80492bb4faef0b052d95a8aa147e4"><td class="mdescLeft"> </td><td class="mdescRight">Apply a 3x3 static convolution matrix to a single channel U8 input image and output a single channel image. <a href="#aa0b80492bb4faef0b052d95a8aa147e4">More...</a><br /></td></tr>
<tr class="separator:aa0b80492bb4faef0b052d95a8aa147e4"><td class="memSeparator" colspan="2"> </td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define DATA_TYPE   short</td>
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<p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">27</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
<p>Referenced by <a class="el" href="activation__layer_8cl_source.xhtml#l00046">activation_layer()</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00080">bilinear_interpolate()</a>, <a class="el" href="convolution__layer_8cl_source.xhtml#l00175">col2im()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00043">convolution1x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">convolution3x3_static()</a>, <a class="el" href="convolution__rectangle_8cl_source.xhtml#l00064">convolution_rectangle()</a>, <a class="el" href="fill__border_8cl_source.xhtml#l00118">fill_image_borders_constant()</a>, <a class="el" href="fill__border_8cl_source.xhtml#l00044">fill_image_borders_replicate()</a>, <a class="el" href="harris__corners_8cl_source.xhtml#l00138">harris_score_1x5()</a>, <a class="el" href="harris__corners_8cl_source.xhtml#l00253">harris_score_1x7()</a>, <a class="el" href="harris__corners_8cl_source.xhtml#l00053">harris_score_3x3()</a>, <a class="el" href="convolution__layer_8cl_source.xhtml#l00105">im2col_generic()</a>, <a class="el" href="convolution__layer_8cl_source.xhtml#l00208">im2col_reduced()</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00045">magnitude_l2()</a>, <a class="el" href="magnitude__phase_8cl_source.xhtml#l00131">magnitude_phase()</a>, <a class="el" href="minmaxloc_8cl_source.xhtml#l00123">minmaxloc()</a>, <a class="el" href="nonmax_8cl_source.xhtml#l00041">non_max_suppression()</a>, <a class="el" href="normalization__layer_8cl_source.xhtml#l00059">normalization_layer_cross_map()</a>, <a class="el" href="normalization__layer_8cl_source.xhtml#l00124">normalization_layer_in_map()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00064">pooling_layer_2()</a>, <a class="el" href="pooling__layer_8cl_source.xhtml#l00118">pooling_layer_3()</a>, <a class="el" href="warp__helpers_8h_source.xhtml#l00045">read_texels4()</a>, <a class="el" href="convolution__layer_8cl_source.xhtml#l00053">reshape_to_columns()</a>, <a class="el" href="scale_8cl_source.xhtml#l00110">scale_bilinear()</a>, <a class="el" href="scale_8cl_source.xhtml#l00076">scale_nearest_neighbour()</a>, and <a class="el" href="transpose_8cl_source.xhtml#l00145">transpose()</a>.</p>
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<td class="memname">#define DATA_TYPE_OUT   uchar</td>
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<p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00031">31</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
<p>Referenced by <a class="el" href="absdiff_8cl_source.xhtml#l00050">absdiff()</a>, <a class="el" href="arithmetic__op_8cl_source.xhtml#l00059">arithmetic_add()</a>, <a class="el" href="arithmetic__op_8cl_source.xhtml#l00104">arithmetic_sub()</a>, <a class="el" href="canny_8cl_source.xhtml#l00057">combine_gradients_L1()</a>, <a class="el" href="canny_8cl_source.xhtml#l00121">combine_gradients_L2()</a>, <a class="el" href="depth__convert_8cl_source.xhtml#l00051">convert_depth_down()</a>, <a class="el" href="depth__convert_8cl_source.xhtml#l00085">convert_depth_up()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">convolution3x3_static()</a>, <a class="el" href="convolution__rectangle_8cl_source.xhtml#l00064">convolution_rectangle()</a>, <a class="el" href="pixelwise__mul__float_8cl_source.xhtml#l00061">pixelwise_mul_float()</a>, <a class="el" href="pixelwise__mul__int_8cl_source.xhtml#l00060">pixelwise_mul_int()</a>, and <a class="el" href="canny_8cl_source.xhtml#l00191">suppress_non_maximum()</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">short8 convolution1x3 </td>
<td>(</td>
<td class="paramtype">__global const uchar * </td>
<td class="paramname"><em>left_pixel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>left_coeff</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>middle_coeff</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>right_coeff</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Compute a 1D horizontal convolution of size 3 for 8 bytes assuming the input is made of 1 channel of 1 byte (i.e 8 pixels). </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">left_pixel</td><td>Pointer to the left pixel. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">left_coeff</td><td>Weight of the left pixel </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">middle_coeff</td><td>Weight of the middle pixel </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">right_coeff</td><td>Weight of the right pixel</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a short8 containing 8 convoluted values. </dd></dl>
<p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00043">43</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
<p>References <a class="el" href="helpers_8h_source.xhtml#l00035">CONVERT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
<p>Referenced by <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3()</a>, and <a class="el" href="convolution__rectangle_8cl_source.xhtml#l00064">convolution_rectangle()</a>.</p>
<div class="fragment"><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  uchar16 temp = vload16(0, left_pixel);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  left = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s01234567, <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8));</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8)</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  middle = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s12345678, <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8));</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8)</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  right = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(temp.s23456789, <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8));</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  return left * (<a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))left_coeff + middle * (<a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))middle_coeff + right * (<a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 8))right_coeff;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div><div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00035">helpers.h:35</a></div></div>
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<td class="memname">short8 convolution3x3 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_image.xhtml">Image</a> * </td>
<td class="paramname"><em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat0</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat1</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat4</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat5</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat6</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat7</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const short </td>
<td class="paramname"><em>mat8</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>scale</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</td>
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<p>Apply a 3x3 convolution matrix to a single channel U8 input image and return the result. </p>
<p>Convolution matrix layout:</p>
<p>[ mat0, mat1, mat2 ]<br />
[ mat3, mat4, mat5 ]<br />
[ mat6, mat7, mat8 ]<br />
</p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">src</td><td>A pointer to source <a class="el" href="struct_image.xhtml" title="Structure to hold Image information. ">Image</a> structure </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat0</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat1</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat2</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat3</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat4</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat5</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat6</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat0</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat7</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">mat8</td><td>Coefficient from the convolution matrix </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">scale</td><td>Convolution matrix scale (Sum of the coefficients, or 1 if the sum is 0)</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a short8 containing 8 convoluted and scaled values. </dd></dl>
<p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">82</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
<p>References <a class="el" href="convolution3x3_8cl_source.xhtml#l00043">convolution1x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
<p>Referenced by <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">convolution3x3_static()</a>.</p>
<div class="fragment"><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Output pixels</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  pixels;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Row 0</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  pixels = <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, -1, -1), mat0, mat1, mat2);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Row</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  pixels += <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, -1, 0), mat3, mat4, mat5);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// Row 2</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  pixels += <a class="code" href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a>(<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(src, -1, 1), mat6, mat7, mat8);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// Divide by the scale</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  return pixels / (<a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8))scale;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div><div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
<div class="ttc" id="convolution3x3_8cl_xhtml_a92702074338198e81a46c3e309d9b04f"><div class="ttname"><a href="convolution3x3_8cl.xhtml#a92702074338198e81a46c3e309d9b04f">convolution1x3</a></div><div class="ttdeci">short8 convolution1x3(__global const uchar *left_pixel, const short left_coeff, const short middle_coeff, const short right_coeff)</div><div class="ttdoc">Compute a 1D horizontal convolution of size 3 for 8 bytes assuming the input is made of 1 channel of ...</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00043">convolution3x3.cl:43</a></div></div>
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<td class="memname">__kernel void convolution3x3_static </td>
<td>(</td>
<td class="paramtype">__global uchar * </td>
<td class="paramname"><em>src_ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>src_stride_x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>src_step_x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>src_stride_y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>src_step_y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">__global uchar * </td>
<td class="paramname"><em>dst_ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>dst_stride_x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>dst_step_x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>dst_stride_y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>dst_step_y</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint </td>
<td class="paramname"><em>dst_offset_first_element_in_bytes</em> </td>
</tr>
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<td>)</td>
<td></td><td></td>
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<p>Apply a 3x3 static convolution matrix to a single channel U8 input image and output a single channel image. </p>
<dl class="section attention"><dt>Attention</dt><dd>The matrix coefficients(MAT0, MAT1, ... MAT8, SCALE), DATA_TYPE, and DATA_TYPE_OUT need to be passed at compile time.<br />
e.g. -DMAT0=1 -DMAT2=2, ...-DMAT8=8, -DSCALE=1, -DDATA_TYPE=int, -DDATA_TYPE_OUT=int</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16 </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="convolution3x3_8cl_source.xhtml#l00123">123</a> of file <a class="el" href="convolution3x3_8cl_source.xhtml">convolution3x3.cl</a>.</p>
<p>References <a class="el" href="helpers_8h_source.xhtml#l00038">CONVERT_SAT</a>, <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3()</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00027">DATA_TYPE</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00031">DATA_TYPE_OUT</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
<div class="fragment"><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 8)</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  pixels = <a class="code" href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a>(&src,</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  MAT0, MAT1, MAT2, MAT3, MAT4, MAT5, MAT6, MAT7, MAT8, SCALE);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Store the result as is in dst</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  vstore8(<a class="code" href="helpers_8h.xhtml#a23fb01b6f3453cc0e48a026fd44f6acd">CONVERT_SAT</a>(pixels, <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 8)), 0, (__global DATA_TYPE_OUT *)dst.ptr);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div><div class="ttc" id="convolution3x3_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00027">convolution3x3.cl:27</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
<div class="ttc" id="convolution3x3_8cl_xhtml_afc5fefe72e66f0ae5191fd5b708fade9"><div class="ttname"><a href="convolution3x3_8cl.xhtml#afc5fefe72e66f0ae5191fd5b708fade9">convolution3x3</a></div><div class="ttdeci">short8 convolution3x3(Image *src, const short mat0, const short mat1, const short mat2, const short mat3, const short mat4, const short mat5, const short mat6, const short mat7, const short mat8, uint scale)</div><div class="ttdoc">Apply a 3x3 convolution matrix to a single channel U8 input image and return the result. </div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00082">convolution3x3.cl:82</a></div></div>
<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
<div class="ttc" id="helpers_8h_xhtml_a23fb01b6f3453cc0e48a026fd44f6acd"><div class="ttname"><a href="helpers_8h.xhtml#a23fb01b6f3453cc0e48a026fd44f6acd">CONVERT_SAT</a></div><div class="ttdeci">#define CONVERT_SAT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00038">helpers.h:38</a></div></div>
<div class="ttc" id="convolution3x3_8cl_xhtml_ac06f3e24d3fffd3c465d8b2a6e7c985e"><div class="ttname"><a href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a></div><div class="ttdeci">#define DATA_TYPE_OUT</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00031">convolution3x3.cl:31</a></div></div>
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