Sampler.cpp revision 729b6fe58aff47c4f666b22bbb7a6d6114ddefa9
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#include <rs.h> 19 20using namespace android; 21using namespace RSC; 22 23Sampler::Sampler(sp<RS> rs, void* id): 24 BaseObj(id, rs) 25{ 26 RsSamplerValue mMin = RS_SAMPLER_INVALID; 27 RsSamplerValue mMag = RS_SAMPLER_INVALID; 28 RsSamplerValue mWrapS = RS_SAMPLER_INVALID;; 29 RsSamplerValue mWrapT = RS_SAMPLER_INVALID;; 30 float mAniso = 0.f; 31} 32 33RsSamplerValue Sampler::getMinification() { 34 return mMin; 35} 36 37RsSamplerValue Sampler::getMagnification() { 38 return mMag; 39} 40 41RsSamplerValue Sampler::getWrapS() { 42 return mWrapS; 43} 44 45RsSamplerValue Sampler::getWrapT() { 46 return mWrapT; 47} 48 49float Sampler::getAnisotropy() { 50 return mAniso; 51} 52 53sp<Sampler> Sampler::create(sp<RS> rs, RsSamplerValue min, RsSamplerValue mag, RsSamplerValue wrapS, RsSamplerValue wrapT, float anisotropy) { 54 // we aren't supporting wrapR in C++ API atm, so always pass wrap for that 55 void* id = RS::dispatch->SamplerCreate(rs.get(), min, mag, wrapS, wrapT, RS_SAMPLER_WRAP, anisotropy); 56 return new Sampler(rs, id); 57} 58 59#define CREATE_SAMPLER(N, MIN, MAG, WRAPS, WRAPT) sp<const Sampler> Sampler::N(sp<RS> rs) { \ 60 if (rs->mSamplers.N == NULL) { \ 61 rs->mSamplers.N = (create(rs, MIN, MAG, WRAPS, WRAPT, 0.f)).get(); \ 62 } \ 63 return rs->mSamplers.N; \ 64 } 65 66CREATE_SAMPLER(CLAMP_NEAREST, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST); 67CREATE_SAMPLER(CLAMP_LINEAR, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR); 68CREATE_SAMPLER(CLAMP_LINEAR_MIP_LINEAR, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR); 69CREATE_SAMPLER(WRAP_NEAREST, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST); 70CREATE_SAMPLER(WRAP_LINEAR, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR); 71CREATE_SAMPLER(WRAP_LINEAR_MIP_LINEAR, RS_SAMPLER_WRAP, RS_SAMPLER_WRAP, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR); 72CREATE_SAMPLER(MIRRORED_REPEAT_NEAREST, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST); 73CREATE_SAMPLER(MIRRORED_REPEAT_LINEAR, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_LINEAR, RS_SAMPLER_LINEAR); 74CREATE_SAMPLER(MIRRORED_REPEAT_LINEAR_MIP_LINEAR, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_MIRRORED_REPEAT, RS_SAMPLER_LINEAR_MIP_LINEAR, RS_SAMPLER_LINEAR_MIP_LINEAR); 75