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_PROPERTIES_H 18 #define ANDROID_HWUI_PROPERTIES_H 19 20 #include <cutils/properties.h> 21 #include <stdlib.h> 22 23 /** 24 * This file contains the list of system properties used to configure 25 * the OpenGLRenderer. 26 */ 27 28 // If turned on, layers drawn inside FBOs are optimized with regions 29 #define RENDER_LAYERS_AS_REGIONS 1 30 31 // If turned on, text is interpreted as glyphs instead of UTF-16 32 #define RENDER_TEXT_AS_GLYPHS 1 33 34 // Indicates whether to remove the biggest layers first, or the smaller ones 35 #define LAYER_REMOVE_BIGGEST_FIRST 0 36 37 // Textures used by layers must have dimensions multiples of this number 38 #define LAYER_SIZE 64 39 40 // Defines the size in bits of the stencil buffer 41 // Note: Only 1 bit is required for clipping but more bits are required 42 // to properly implement the winding fill rule when rasterizing paths 43 #define STENCIL_BUFFER_SIZE 0 44 45 /** 46 * Debug level for app developers. 47 */ 48 #define PROPERTY_DEBUG "hwui.debug_level" 49 50 /** 51 * Debug levels. Debug levels are used as flags. 52 */ 53 enum DebugLevel { 54 kDebugDisabled = 0, 55 kDebugMemory = 1, 56 kDebugCaches = 2, 57 kDebugMoreCaches = kDebugMemory | kDebugCaches 58 }; 59 60 // These properties are defined in mega-bytes 61 #define PROPERTY_TEXTURE_CACHE_SIZE "ro.hwui.texture_cache_size" 62 #define PROPERTY_LAYER_CACHE_SIZE "ro.hwui.layer_cache_size" 63 #define PROPERTY_GRADIENT_CACHE_SIZE "ro.hwui.gradient_cache_size" 64 #define PROPERTY_PATH_CACHE_SIZE "ro.hwui.path_cache_size" 65 #define PROPERTY_SHAPE_CACHE_SIZE "ro.hwui.shape_cache_size" 66 #define PROPERTY_DROP_SHADOW_CACHE_SIZE "ro.hwui.drop_shadow_cache_size" 67 #define PROPERTY_FBO_CACHE_SIZE "ro.hwui.fbo_cache_size" 68 69 // These properties are defined in percentage (range 0..1) 70 #define PROPERTY_TEXTURE_CACHE_FLUSH_RATE "ro.hwui.texture_cache_flush_rate" 71 72 // These properties are defined in pixels 73 #define PROPERTY_TEXT_CACHE_WIDTH "ro.hwui.text_cache_width" 74 #define PROPERTY_TEXT_CACHE_HEIGHT "ro.hwui.text_cache_height" 75 76 // Gamma (>= 1.0, <= 10.0) 77 #define PROPERTY_TEXT_GAMMA "ro.text_gamma" 78 #define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "ro.text_gamma.black_threshold" 79 #define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "ro.text_gamma.white_threshold" 80 81 // TODO: This should be set by a system property 82 #define PANEL_BIT_DEPTH 20 83 84 // Converts a number of mega-bytes into bytes 85 #define MB(s) s * 1024 * 1024 86 87 #define DEFAULT_TEXTURE_CACHE_SIZE 24.0f 88 #define DEFAULT_LAYER_CACHE_SIZE 16.0f 89 #define DEFAULT_PATH_CACHE_SIZE 4.0f 90 #define DEFAULT_SHAPE_CACHE_SIZE 1.0f 91 #define DEFAULT_PATCH_CACHE_SIZE 512 92 #define DEFAULT_GRADIENT_CACHE_SIZE 0.5f 93 #define DEFAULT_DROP_SHADOW_CACHE_SIZE 2.0f 94 #define DEFAULT_FBO_CACHE_SIZE 16 95 96 #define DEFAULT_TEXTURE_CACHE_FLUSH_RATE 0.6f 97 98 #define DEFAULT_TEXT_GAMMA 1.4f 99 #define DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD 64 100 #define DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD 192 101 102 static DebugLevel readDebugLevel() { 103 char property[PROPERTY_VALUE_MAX]; 104 if (property_get(PROPERTY_DEBUG, property, NULL) > 0) { 105 return (DebugLevel) atoi(property); 106 } 107 return kDebugDisabled; 108 } 109 110 #endif // ANDROID_HWUI_PROPERTIES_H 111
