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110 lines
3.2 KiB
110 lines
3.2 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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#ifndef ANDROID_RS_SAMPLER_H
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#define ANDROID_RS_SAMPLER_H
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#include "rsAllocation.h"
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#include <vector>
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// ---------------------------------------------------------------------------
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namespace android {
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namespace renderscript {
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const static uint32_t RS_MAX_SAMPLER_SLOT = 16;
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class SamplerState;
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/*****************************************************************************
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* CAUTION
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*
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* Any layout changes for this class may require a corresponding change to be
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* made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
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* a partial copy of the information below.
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*
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*****************************************************************************/
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class Sampler : public ObjectBase {
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public:
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struct Hal {
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mutable void *drv;
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struct State {
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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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};
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State state;
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};
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Hal mHal;
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void operator delete(void* ptr);
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static ObjectBaseRef<Sampler> getSampler(Context *,
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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 = 1.0f);
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void bindToContext(SamplerState *, uint32_t slot);
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void unbindFromContext(SamplerState *);
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virtual void serialize(Context *rsc, OStream *stream) const;
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virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_SAMPLER; }
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static Sampler *createFromStream(Context *rsc, IStream *stream);
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protected:
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int32_t mBoundSlot;
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virtual void preDestroy() const;
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virtual ~Sampler();
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private:
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explicit Sampler(Context *);
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Sampler(Context *,
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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 = 1.0f);
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};
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class SamplerState {
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public:
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ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT];
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void init(Context *rsc) {
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}
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void deinit(Context *rsc) {
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for (uint32_t i = 0; i < RS_MAX_SAMPLER_SLOT; i ++) {
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mSamplers[i].clear();
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}
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}
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// Cache of all existing raster programs.
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std::vector<Sampler *> mAllSamplers;
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};
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} // namespace renderscript
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} // namespace android
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#endif //ANDROID_RS_SAMPLER_H
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