1/* 2 * Copyright (C) 2008-2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "RenderScript.h" 18 19using namespace android; 20using namespace RSC; 21 22Sampler::Sampler(sp<RS> rs, void* id): 23 BaseObj(id, rs) 24{ 25 RsSamplerValue mMin = RS_SAMPLER_INVALID; 26 RsSamplerValue mMag = RS_SAMPLER_INVALID; 27 RsSamplerValue mWrapS = RS_SAMPLER_INVALID;; 28 RsSamplerValue mWrapT = RS_SAMPLER_INVALID;; 29 float mAniso = 0.f; 30} 31 32RsSamplerValue Sampler::getMinification() { 33 return mMin; 34} 35 36RsSamplerValue Sampler::getMagnification() { 37 return mMag; 38} 39 40RsSamplerValue Sampler::getWrapS() { 41 return mWrapS; 42} 43 44RsSamplerValue Sampler::getWrapT() { 45 return mWrapT; 46} 47 48float Sampler::getAnisotropy() { 49 return mAniso; 50} 51 52sp<Sampler> Sampler::create(sp<RS> rs, RsSamplerValue min, RsSamplerValue mag, RsSamplerValue wrapS, RsSamplerValue wrapT, float anisotropy) { 53 // we aren't supporting wrapR in C++ API atm, so always pass wrap for that 54 void* id = RS::dispatch->SamplerCreate(rs.get(), min, mag, wrapS, wrapT, RS_SAMPLER_WRAP, anisotropy); 55 return new Sampler(rs, id); 56} 57 58#define CREATE_SAMPLER(N, MIN, MAG, WRAPS, WRAPT) sp<const Sampler> Sampler::N(sp<RS> rs) { \ 59 if (rs->mSamplers.N == NULL) { \ 60 rs->mSamplers.N = (create(rs, MIN, MAG, WRAPS, WRAPT, 0.f)); \ 61 } \ 62 return rs->mSamplers.N; \ 63 } 64 65CREATE_SAMPLER(CLAMP_NEAREST, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST); 66CREATE_SAMPLER(CLAMP_LINEAR, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR); 67CREATE_SAMPLER(CLAMP_LINEAR_MIP_LINEAR, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR); 68CREATE_SAMPLER(WRAP_NEAREST, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST); 69CREATE_SAMPLER(WRAP_LINEAR, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR); 70CREATE_SAMPLER(WRAP_LINEAR_MIP_LINEAR, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR); 71CREATE_SAMPLER(MIRRORED_REPEAT_NEAREST, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST); 72CREATE_SAMPLER(MIRRORED_REPEAT_LINEAR, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR); 73CREATE_SAMPLER(MIRRORED_REPEAT_LINEAR_MIP_LINEAR, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR); 74