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147 lines
4.6 KiB
147 lines
4.6 KiB
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "rsContext.h"
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#include "rsSampler.h"
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#include "rs.h"
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namespace android {
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namespace renderscript {
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Sampler::Sampler(Context *rsc) : ObjectBase(rsc) {
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// Should not get called.
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rsAssert(0);
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}
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Sampler::Sampler(Context *rsc,
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RsSamplerValue magFilter,
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RsSamplerValue minFilter,
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RsSamplerValue wrapS,
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RsSamplerValue wrapT,
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RsSamplerValue wrapR,
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float aniso) : ObjectBase(rsc) {
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mHal.state.magFilter = magFilter;
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mHal.state.minFilter = minFilter;
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mHal.state.wrapS = wrapS;
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mHal.state.wrapT = wrapT;
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mHal.state.wrapR = wrapR;
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mHal.state.aniso = aniso;
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mRSC->mHal.funcs.sampler.init(mRSC, this);
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}
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Sampler::~Sampler() {
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mRSC->mHal.funcs.sampler.destroy(mRSC, this);
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}
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void Sampler::preDestroy() const {
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auto& allSamplers = mRSC->mStateSampler.mAllSamplers;
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for (uint32_t ct = 0; ct < allSamplers.size(); ct++) {
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if (allSamplers[ct] == this) {
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allSamplers.erase(allSamplers.begin() + ct);
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break;
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}
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}
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}
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void Sampler::bindToContext(SamplerState *ss, uint32_t slot) {
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ss->mSamplers[slot].set(this);
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mBoundSlot = slot;
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}
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void Sampler::unbindFromContext(SamplerState *ss) {
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int32_t slot = mBoundSlot;
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mBoundSlot = -1;
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ss->mSamplers[slot].clear();
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}
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void Sampler::serialize(Context *rsc, OStream *stream) const {
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}
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Sampler *Sampler::createFromStream(Context *rsc, IStream *stream) {
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return nullptr;
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}
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ObjectBaseRef<Sampler> Sampler::getSampler(Context *rsc,
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RsSamplerValue magFilter,
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RsSamplerValue minFilter,
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RsSamplerValue wrapS,
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RsSamplerValue wrapT,
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RsSamplerValue wrapR,
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float aniso) {
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ObjectBaseRef<Sampler> returnRef;
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ObjectBase::asyncLock();
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for (uint32_t ct = 0; ct < rsc->mStateSampler.mAllSamplers.size(); ct++) {
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Sampler *existing = rsc->mStateSampler.mAllSamplers[ct];
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if (existing->mHal.state.magFilter != magFilter) continue;
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if (existing->mHal.state.minFilter != minFilter ) continue;
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if (existing->mHal.state.wrapS != wrapS) continue;
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if (existing->mHal.state.wrapT != wrapT) continue;
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if (existing->mHal.state.wrapR != wrapR) continue;
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if (existing->mHal.state.aniso != aniso) continue;
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returnRef.set(existing);
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ObjectBase::asyncUnlock();
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return returnRef;
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}
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ObjectBase::asyncUnlock();
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void* allocMem = rsc->mHal.funcs.allocRuntimeMem(sizeof(Sampler), 0);
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if (!allocMem) {
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rsc->setError(RS_ERROR_FATAL_DRIVER, "Couldn't allocate memory for Allocation");
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return nullptr;
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}
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Sampler *s = new (allocMem) Sampler(rsc, magFilter, minFilter, wrapS, wrapT, wrapR, aniso);
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returnRef.set(s);
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#ifdef RS_FIND_OFFSETS
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ALOGE("pointer for sampler: %p", s);
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ALOGE("pointer for sampler.drv: %p", &s->mHal.drv);
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#endif
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ObjectBase::asyncLock();
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rsc->mStateSampler.mAllSamplers.push_back(s);
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ObjectBase::asyncUnlock();
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return returnRef;
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}
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void Sampler::operator delete(void* ptr) {
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if (ptr) {
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Sampler *s = (Sampler*) ptr;
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s->getContext()->mHal.funcs.freeRuntimeMem(ptr);
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}
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}
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////////////////////////////////
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RsSampler rsi_SamplerCreate(Context * rsc,
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RsSamplerValue magFilter,
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RsSamplerValue minFilter,
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RsSamplerValue wrapS,
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RsSamplerValue wrapT,
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RsSamplerValue wrapR,
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float aniso) {
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ObjectBaseRef<Sampler> s = Sampler::getSampler(rsc, magFilter, minFilter,
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wrapS, wrapT, wrapR, aniso);
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s->incUserRef();
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return s.get();
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}
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} // namespace renderscript
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} // namespace android
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