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_SHADER_CACHE_H 18 #define ANDROID_SHADER_CACHE_H 19 20 21 #include "rsObjectBase.h" 22 #include "rsVertexArray.h" 23 24 // --------------------------------------------------------------------------- 25 namespace android { 26 namespace renderscript { 27 28 29 // An element is a group of Components that occupies one cell in a structure. 30 class ShaderCache 31 { 32 public: 33 ShaderCache(); 34 virtual ~ShaderCache(); 35 36 bool lookup(Context *rsc, ProgramVertex *, ProgramFragment *); 37 38 void cleanupVertex(uint32_t id); 39 void cleanupFragment(uint32_t id); 40 41 void cleanupAll(); 42 vtxAttribSlot(uint32_t a)43 int32_t vtxAttribSlot(uint32_t a) const {return mCurrent->mVtxAttribSlots[a];} vtxUniformSlot(uint32_t a)44 int32_t vtxUniformSlot(uint32_t a) const {return mCurrent->mVtxUniformSlots[a];} fragAttribSlot(uint32_t a)45 int32_t fragAttribSlot(uint32_t a) const {return mCurrent->mFragAttribSlots[a];} fragUniformSlot(uint32_t a)46 int32_t fragUniformSlot(uint32_t a) const {return mCurrent->mFragUniformSlots[a];} isUserVertexProgram()47 bool isUserVertexProgram() const {return mCurrent->mUserVertexProgram;} 48 49 protected: 50 typedef struct { 51 uint32_t vtx; 52 uint32_t frag; 53 uint32_t program; 54 int32_t mVtxAttribSlots[Program::MAX_ATTRIBS]; 55 int32_t mVtxUniformSlots[Program::MAX_UNIFORMS]; 56 int32_t mFragAttribSlots[Program::MAX_ATTRIBS]; 57 int32_t mFragUniformSlots[Program::MAX_UNIFORMS]; 58 bool mUserVertexProgram; 59 bool mIsValid; 60 } entry_t; 61 entry_t *mEntries; 62 entry_t *mCurrent; 63 64 uint32_t mEntryCount; 65 uint32_t mEntryAllocationCount; 66 67 }; 68 69 70 71 } 72 } 73 #endif //ANDROID_SHADER_CACHE_H 74 75 76 77 78