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