rsdShaderCache.h revision 44bef6fba6244292b751387f3d6c31cca96c28ad
1/* 2 * Copyright (C) 2011-2012 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_RSD_SHADER_CACHE_H 18#define ANDROID_RSD_SHADER_CACHE_H 19 20#include <string> 21#include <vector> 22 23namespace android { 24namespace renderscript { 25 26class Context; 27 28} 29} 30 31#if defined(RS_SERVER) || defined(RS_COMPATIBILITY_LIB) 32#include "rsUtils.h" 33#endif 34class RsdShader; 35 36// --------------------------------------------------------------------------- 37 38// An element is a group of Components that occupies one cell in a structure. 39class RsdShaderCache { 40public: 41 RsdShaderCache(); 42 virtual ~RsdShaderCache(); 43 44 void setActiveVertex(RsdShader *pv) { 45 mVertexDirty = true; 46 mVertex = pv; 47 } 48 49 void setActiveFragment(RsdShader *pf) { 50 mFragmentDirty = true; 51 mFragment = pf; 52 } 53 54 bool setup(const android::renderscript::Context *rsc); 55 56 void cleanupVertex(RsdShader *s); 57 void cleanupFragment(RsdShader *s); 58 59 void cleanupAll(); 60 61 int32_t vtxAttribSlot(const std::string &attrName) const; 62 int32_t vtxUniformSlot(uint32_t a) const {return mCurrent->vtxUniforms[a].slot;} 63 uint32_t vtxUniformSize(uint32_t a) const {return mCurrent->vtxUniforms[a].arraySize;} 64 int32_t fragUniformSlot(uint32_t a) const {return mCurrent->fragUniforms[a].slot;} 65 uint32_t fragUniformSize(uint32_t a) const {return mCurrent->fragUniforms[a].arraySize;} 66 67protected: 68 bool link(const android::renderscript::Context *rsc); 69 bool mFragmentDirty; 70 bool mVertexDirty; 71 RsdShader *mVertex; 72 RsdShader *mFragment; 73 74 struct UniformQueryData { 75 char *name; 76 uint32_t nameLength; 77 int32_t writtenLength; 78 int32_t arraySize; 79 uint32_t type; 80 UniformQueryData(uint32_t maxName) { 81 name = nullptr; 82 nameLength = maxName; 83 if (nameLength > 0 ) { 84 name = new char[nameLength]; 85 } 86 } 87 ~UniformQueryData() { 88 if (name != nullptr) { 89 delete[] name; 90 name = nullptr; 91 } 92 } 93 }; 94 struct UniformData { 95 int32_t slot; 96 uint32_t arraySize; 97 }; 98 struct AttrData { 99 int32_t slot; 100 const char* name; 101 }; 102 struct ProgramEntry { 103 ProgramEntry(uint32_t numVtxAttr, uint32_t numVtxUnis, 104 uint32_t numFragUnis) : vtx(0), frag(0), program(0), vtxAttrCount(0), 105 vtxAttrs(0), vtxUniforms(0), fragUniforms(0), 106 fragUniformIsSTO(0) { 107 vtxAttrCount = numVtxAttr; 108 if (numVtxAttr) { 109 vtxAttrs = new AttrData[numVtxAttr]; 110 } 111 if (numVtxUnis) { 112 vtxUniforms = new UniformData[numVtxUnis]; 113 } 114 if (numFragUnis) { 115 fragUniforms = new UniformData[numFragUnis]; 116 fragUniformIsSTO = new bool[numFragUnis]; 117 } 118 } 119 ~ProgramEntry() { 120 if (vtxAttrs) { 121 delete[] vtxAttrs; 122 vtxAttrs = nullptr; 123 } 124 if (vtxUniforms) { 125 delete[] vtxUniforms; 126 vtxUniforms = nullptr; 127 } 128 if (fragUniforms) { 129 delete[] fragUniforms; 130 fragUniforms = nullptr; 131 } 132 if (fragUniformIsSTO) { 133 delete[] fragUniformIsSTO; 134 fragUniformIsSTO = nullptr; 135 } 136 } 137 uint32_t vtx; 138 uint32_t frag; 139 uint32_t program; 140 uint32_t vtxAttrCount; 141 AttrData *vtxAttrs; 142 UniformData *vtxUniforms; 143 UniformData *fragUniforms; 144 bool *fragUniformIsSTO; 145 }; 146 std::vector<ProgramEntry*> mEntries; 147 ProgramEntry *mCurrent; 148 149 bool hasArrayUniforms(RsdShader *vtx, RsdShader *frag); 150 void populateUniformData(RsdShader *prog, uint32_t linkedID, UniformData *data); 151 void updateUniformArrayData(const android::renderscript::Context *rsc, 152 RsdShader *prog, uint32_t linkedID, 153 UniformData *data, const char* logTag, 154 UniformQueryData **uniformList, uint32_t uniListSize); 155}; 156 157 158#endif //ANDROID_RSD_SHADER_CACHE_H 159