1 /* 2 * Copyright (C) 2009 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 #ifndef ANDROID_RS_SAMPLER_H 18 #define ANDROID_RS_SAMPLER_H 19 20 #include "rsAllocation.h" 21 #include "RenderScript.h" 22 23 // --------------------------------------------------------------------------- 24 namespace android { 25 namespace renderscript { 26 27 const static uint32_t RS_MAX_SAMPLER_SLOT = 16; 28 29 class SamplerState; 30 31 class Sampler : public ObjectBase 32 { 33 public: 34 Sampler(Context *, 35 RsSamplerValue magFilter, 36 RsSamplerValue minFilter, 37 RsSamplerValue wrapS, 38 RsSamplerValue wrapT, 39 RsSamplerValue wrapR); 40 41 virtual ~Sampler(); 42 43 void bind(Allocation *); 44 void setupGL(); 45 46 void bindToContext(SamplerState *, uint32_t slot); 47 void unbindFromContext(SamplerState *); 48 49 protected: 50 RsSamplerValue mMagFilter; 51 RsSamplerValue mMinFilter; 52 RsSamplerValue mWrapS; 53 RsSamplerValue mWrapT; 54 RsSamplerValue mWrapR; 55 56 int32_t mBoundSlot; 57 58 private: 59 Sampler(Context *); 60 61 }; 62 63 64 class SamplerState 65 { 66 public: 67 68 RsSamplerValue mMagFilter; 69 RsSamplerValue mMinFilter; 70 RsSamplerValue mWrapS; 71 RsSamplerValue mWrapT; 72 RsSamplerValue mWrapR; 73 74 75 ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT]; 76 77 void setupGL(); 78 79 }; 80 81 82 83 } 84 } 85 #endif //ANDROID_RS_SAMPLER_H 86 87 88 89