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4358 | Serge | 1 | // |
2 | // Copyright 2012 Francisco Jerez |
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3 | // |
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4 | // Permission is hereby granted, free of charge, to any person obtaining a |
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5 | // copy of this software and associated documentation files (the "Software"), |
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6 | // to deal in the Software without restriction, including without limitation |
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7 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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8 | // and/or sell copies of the Software, and to permit persons to whom the |
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9 | // Software is furnished to do so, subject to the following conditions: |
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10 | // |
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11 | // The above copyright notice and this permission notice shall be included in |
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12 | // all copies or substantial portions of the Software. |
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13 | // |
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14 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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15 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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16 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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17 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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18 | // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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19 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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20 | // OTHER DEALINGS IN THE SOFTWARE. |
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21 | // |
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22 | |||
23 | #include "core/sampler.hpp" |
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24 | #include "pipe/p_state.h" |
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25 | |||
26 | using namespace clover; |
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27 | |||
28 | _cl_sampler::_cl_sampler(clover::context &ctx, bool norm_mode, |
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29 | cl_addressing_mode addr_mode, |
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30 | cl_filter_mode filter_mode) : |
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31 | ctx(ctx), __norm_mode(norm_mode), |
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32 | __addr_mode(addr_mode), __filter_mode(filter_mode) { |
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33 | } |
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34 | |||
35 | bool |
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36 | _cl_sampler::norm_mode() { |
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37 | return __norm_mode; |
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38 | } |
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39 | |||
40 | cl_addressing_mode |
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41 | _cl_sampler::addr_mode() { |
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42 | return __addr_mode; |
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43 | } |
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44 | |||
45 | cl_filter_mode |
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46 | _cl_sampler::filter_mode() { |
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47 | return __filter_mode; |
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48 | } |
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49 | |||
50 | void * |
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51 | _cl_sampler::bind(clover::command_queue &q) { |
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52 | struct pipe_sampler_state info {}; |
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53 | |||
54 | info.normalized_coords = norm_mode(); |
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55 | |||
56 | info.wrap_s = info.wrap_t = info.wrap_r = |
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57 | (addr_mode() == CL_ADDRESS_CLAMP_TO_EDGE ? PIPE_TEX_WRAP_CLAMP_TO_EDGE : |
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58 | addr_mode() == CL_ADDRESS_CLAMP ? PIPE_TEX_WRAP_CLAMP_TO_BORDER : |
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59 | addr_mode() == CL_ADDRESS_REPEAT ? PIPE_TEX_WRAP_REPEAT : |
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60 | addr_mode() == CL_ADDRESS_MIRRORED_REPEAT ? PIPE_TEX_WRAP_MIRROR_REPEAT : |
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61 | PIPE_TEX_WRAP_CLAMP_TO_EDGE); |
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62 | |||
63 | info.min_img_filter = info.mag_img_filter = |
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64 | (filter_mode() == CL_FILTER_LINEAR ? PIPE_TEX_FILTER_LINEAR : |
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65 | PIPE_TEX_FILTER_NEAREST); |
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66 | |||
67 | return q.pipe->create_sampler_state(q.pipe, &info); |
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68 | } |
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69 | |||
70 | void |
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71 | _cl_sampler::unbind(clover::command_queue &q, void *st) { |
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72 | q.pipe->delete_sampler_state(q.pipe, st); |
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73 | } |