1 /* 2 * Copyright (C) 2010 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_HWUI_PROGRAM_CACHE_H 18 #define ANDROID_HWUI_PROGRAM_CACHE_H 19 20 #include <utils/KeyedVector.h> 21 #include <utils/Log.h> 22 #include <utils/String8.h> 23 24 #include <GLES2/gl2.h> 25 26 #include "Debug.h" 27 #include "Program.h" 28 #include "Properties.h" 29 30 namespace android { 31 namespace uirenderer { 32 33 /////////////////////////////////////////////////////////////////////////////// 34 // Defines 35 /////////////////////////////////////////////////////////////////////////////// 36 37 // Debug 38 #if DEBUG_PROGRAMS 39 #define PROGRAM_LOGD(...) ALOGD(__VA_ARGS__) 40 #else 41 #define PROGRAM_LOGD(...) 42 #endif 43 44 /////////////////////////////////////////////////////////////////////////////// 45 // Cache 46 /////////////////////////////////////////////////////////////////////////////// 47 48 /** 49 * Generates and caches program. Programs are generated based on 50 * ProgramDescriptions. 51 */ 52 class ProgramCache { 53 public: 54 ProgramCache(); 55 ~ProgramCache(); 56 57 Program* get(const ProgramDescription& description); 58 59 void clear(); 60 61 private: 62 Program* generateProgram(const ProgramDescription& description, programid key); 63 String8 generateVertexShader(const ProgramDescription& description); 64 String8 generateFragmentShader(const ProgramDescription& description); 65 void generateBlend(String8& shader, const char* name, SkXfermode::Mode mode); 66 void generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT); 67 68 void printLongString(const String8& shader) const; 69 70 KeyedVector<programid, Program*> mCache; 71 }; // class ProgramCache 72 73 }; // namespace uirenderer 74 }; // namespace android 75 76 #endif // ANDROID_HWUI_PROGRAM_CACHE_H 77