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