1// 2// Copyright 2012 Francisco Jerez 3// 4// Permission is hereby granted, free of charge, to any person obtaining a 5// copy of this software and associated documentation files (the "Software"), 6// to deal in the Software without restriction, including without limitation 7// the rights to use, copy, modify, merge, publish, distribute, sublicense, 8// and/or sell copies of the Software, and to permit persons to whom the 9// Software is furnished to do so, subject to the following conditions: 10// 11// The above copyright notice and this permission notice shall be included in 12// all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17// THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19// OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20// SOFTWARE. 21// 22 23#include "core/sampler.hpp" 24#include "pipe/p_state.h" 25 26using namespace clover; 27 28_cl_sampler::_cl_sampler(clover::context &ctx, bool norm_mode, 29 cl_addressing_mode addr_mode, 30 cl_filter_mode filter_mode) : 31 ctx(ctx), __norm_mode(norm_mode), 32 __addr_mode(addr_mode), __filter_mode(filter_mode) { 33} 34 35bool 36_cl_sampler::norm_mode() { 37 return __norm_mode; 38} 39 40cl_addressing_mode 41_cl_sampler::addr_mode() { 42 return __addr_mode; 43} 44 45cl_filter_mode 46_cl_sampler::filter_mode() { 47 return __filter_mode; 48} 49 50void * 51_cl_sampler::bind(clover::command_queue &q) { 52 struct pipe_sampler_state info {}; 53 54 info.normalized_coords = norm_mode(); 55 56 info.wrap_s = info.wrap_t = info.wrap_r = 57 (addr_mode() == CL_ADDRESS_CLAMP_TO_EDGE ? PIPE_TEX_WRAP_CLAMP_TO_EDGE : 58 addr_mode() == CL_ADDRESS_CLAMP ? PIPE_TEX_WRAP_CLAMP_TO_BORDER : 59 addr_mode() == CL_ADDRESS_REPEAT ? PIPE_TEX_WRAP_REPEAT : 60 addr_mode() == CL_ADDRESS_MIRRORED_REPEAT ? PIPE_TEX_WRAP_MIRROR_REPEAT : 61 PIPE_TEX_WRAP_CLAMP_TO_EDGE); 62 63 info.min_img_filter = info.mag_img_filter = 64 (filter_mode() == CL_FILTER_LINEAR ? PIPE_TEX_FILTER_LINEAR : 65 PIPE_TEX_FILTER_NEAREST); 66 67 return q.pipe->create_sampler_state(q.pipe, &info); 68} 69 70void 71_cl_sampler::unbind(clover::command_queue &q, void *st) { 72 q.pipe->delete_sampler_state(q.pipe, st); 73} 74