Properties.h revision 8d34aaff3cda45626be697f5f334a46fc053b273
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#include <utils/Singleton.h> 23 24/** 25 * This file contains the list of system properties used to configure 26 * the OpenGLRenderer. 27 */ 28 29namespace android { 30namespace uirenderer { 31 32/////////////////////////////////////////////////////////////////////////////// 33// Compile-time properties 34/////////////////////////////////////////////////////////////////////////////// 35 36// If turned on, text is interpreted as glyphs instead of UTF-16 37#define RENDER_TEXT_AS_GLYPHS 1 38 39// Indicates whether to remove the biggest layers first, or the smaller ones 40#define LAYER_REMOVE_BIGGEST_FIRST 0 41 42// Textures used by layers must have dimensions multiples of this number 43#define LAYER_SIZE 64 44 45// Defines the size in bits of the stencil buffer for the framebuffer 46// Note: Only 1 bit is required for clipping but more bits are required 47// to properly implement overdraw debugging 48#define STENCIL_BUFFER_SIZE 8 49 50/////////////////////////////////////////////////////////////////////////////// 51// Debug properties 52/////////////////////////////////////////////////////////////////////////////// 53 54/** 55 * Debug level for app developers. The value is a numeric value defined 56 * by the DebugLevel enum below. 57 */ 58#define PROPERTY_DEBUG "debug.hwui.level" 59 60/** 61 * Debug levels. Debug levels are used as flags. 62 */ 63enum DebugLevel { 64 kDebugDisabled = 0, 65 kDebugMemory = 1, 66 kDebugCaches = 2, 67 kDebugMoreCaches = kDebugMemory | kDebugCaches 68}; 69 70/** 71 * Used to enable/disable layers update debugging. The accepted values are 72 * "true" and "false". The default value is "false". 73 */ 74#define PROPERTY_DEBUG_LAYERS_UPDATES "debug.hwui.show_layers_updates" 75 76/** 77 * Used to enable/disable overdraw debugging. 78 * 79 * The accepted values are 80 * "show", to show overdraw 81 * "show_deuteranomaly", to show overdraw if you suffer from Deuteranomaly 82 * "count", to show an overdraw counter 83 * "false", to disable overdraw debugging 84 * 85 * The default value is "false". 86 */ 87#define PROPERTY_DEBUG_OVERDRAW "debug.hwui.overdraw" 88 89/** 90 * Used to enable/disable PerfHUD ES profiling. The accepted values 91 * are "true" and "false". The default value is "false". 92 */ 93#define PROPERTY_DEBUG_NV_PROFILING "debug.hwui.nv_profiling" 94 95/** 96 * System property used to enable or disable hardware rendering profiling. 97 * The default value of this property is assumed to be false. 98 * 99 * When profiling is enabled, the adb shell dumpsys gfxinfo command will 100 * output extra information about the time taken to execute by the last 101 * frames. 102 * 103 * Possible values: 104 * "true", to enable profiling 105 * "visual_bars", to enable profiling and visualize the results on screen 106 * "false", to disable profiling 107 */ 108#define PROPERTY_PROFILE "debug.hwui.profile" 109#define PROPERTY_PROFILE_VISUALIZE_BARS "visual_bars" 110 111/** 112 * System property used to specify the number of frames to be used 113 * when doing hardware rendering profiling. 114 * The default value of this property is #PROFILE_MAX_FRAMES. 115 * 116 * When profiling is enabled, the adb shell dumpsys gfxinfo command will 117 * output extra information about the time taken to execute by the last 118 * frames. 119 * 120 * Possible values: 121 * "60", to set the limit of frames to 60 122 */ 123#define PROPERTY_PROFILE_MAXFRAMES "debug.hwui.profile.maxframes" 124 125/** 126 * Used to enable/disable non-rectangular clipping debugging. 127 * 128 * The accepted values are: 129 * "highlight", drawing commands clipped by the stencil will 130 * be colored differently 131 * "region", renders the clipping region on screen whenever 132 * the stencil is set 133 * "hide", don't show the clip 134 * 135 * The default value is "hide". 136 */ 137#define PROPERTY_DEBUG_STENCIL_CLIP "debug.hwui.show_non_rect_clip" 138 139/** 140 * Turn on to draw dirty regions every other frame. 141 * 142 * Possible values: 143 * "true", to enable dirty regions debugging 144 * "false", to disable dirty regions debugging 145 */ 146#define PROPERTY_DEBUG_SHOW_DIRTY_REGIONS "debug.hwui.show_dirty_regions" 147 148/** 149 * Disables draw operation deferral if set to "true", forcing draw 150 * commands to be issued to OpenGL in order, and processed in sequence 151 * with state-manipulation canvas commands. 152 */ 153#define PROPERTY_DISABLE_DRAW_DEFER "debug.hwui.disable_draw_defer" 154 155/** 156 * Used to disable draw operation reordering when deferring draw operations 157 * Has no effect if PROPERTY_DISABLE_DRAW_DEFER is set to "true" 158 */ 159#define PROPERTY_DISABLE_DRAW_REORDER "debug.hwui.disable_draw_reorder" 160 161/** 162 * Setting this property will enable or disable the dropping of frames with 163 * empty damage. Default is "true". 164 */ 165#define PROPERTY_SKIP_EMPTY_DAMAGE "debug.hwui.skip_empty_damage" 166 167/** 168 * Setting this property will enable usage of EGL_KHR_swap_buffers_with_damage 169 * See: https://www.khronos.org/registry/egl/extensions/KHR/EGL_KHR_swap_buffers_with_damage.txt 170 * Default is "false" temporarily 171 * TODO: Change to "true", make sure to remove the log in EglManager::swapBuffers 172 * before changing this to default to true! 173 */ 174#define PROPERTY_SWAP_WITH_DAMAGE "debug.hwui.swap_with_damage" 175 176/////////////////////////////////////////////////////////////////////////////// 177// Runtime configuration properties 178/////////////////////////////////////////////////////////////////////////////// 179 180/** 181 * Used to enable/disable scissor optimization. The accepted values are 182 * "true" and "false". The default value is "false". 183 * 184 * When scissor optimization is enabled, OpenGLRenderer will attempt to 185 * minimize the use of scissor by selectively enabling and disabling the 186 * GL scissor test. 187 * When the optimization is disabled, OpenGLRenderer will keep the GL 188 * scissor test enabled and change the scissor rect as needed. 189 * Some GPUs (for instance the SGX 540) perform better when changing 190 * the scissor rect often than when enabling/disabling the scissor test 191 * often. 192 */ 193#define PROPERTY_DISABLE_SCISSOR_OPTIMIZATION "ro.hwui.disable_scissor_opt" 194 195/** 196 * Indicates whether PBOs can be used to back pixel buffers. 197 * Accepted values are "true" and "false". Default is true. 198 */ 199#define PROPERTY_ENABLE_GPU_PIXEL_BUFFERS "ro.hwui.use_gpu_pixel_buffers" 200 201// These properties are defined in mega-bytes 202#define PROPERTY_TEXTURE_CACHE_SIZE "ro.hwui.texture_cache_size" 203#define PROPERTY_LAYER_CACHE_SIZE "ro.hwui.layer_cache_size" 204#define PROPERTY_RENDER_BUFFER_CACHE_SIZE "ro.hwui.r_buffer_cache_size" 205#define PROPERTY_GRADIENT_CACHE_SIZE "ro.hwui.gradient_cache_size" 206#define PROPERTY_PATH_CACHE_SIZE "ro.hwui.path_cache_size" 207#define PROPERTY_VERTEX_CACHE_SIZE "ro.hwui.vertex_cache_size" 208#define PROPERTY_PATCH_CACHE_SIZE "ro.hwui.patch_cache_size" 209#define PROPERTY_DROP_SHADOW_CACHE_SIZE "ro.hwui.drop_shadow_cache_size" 210#define PROPERTY_FBO_CACHE_SIZE "ro.hwui.fbo_cache_size" 211 212// These properties are defined in percentage (range 0..1) 213#define PROPERTY_TEXTURE_CACHE_FLUSH_RATE "ro.hwui.texture_cache_flushrate" 214 215// These properties are defined in pixels 216#define PROPERTY_TEXT_SMALL_CACHE_WIDTH "ro.hwui.text_small_cache_width" 217#define PROPERTY_TEXT_SMALL_CACHE_HEIGHT "ro.hwui.text_small_cache_height" 218#define PROPERTY_TEXT_LARGE_CACHE_WIDTH "ro.hwui.text_large_cache_width" 219#define PROPERTY_TEXT_LARGE_CACHE_HEIGHT "ro.hwui.text_large_cache_height" 220 221// Indicates whether gamma correction should be applied in the shaders 222// or in lookup tables. Accepted values: 223// 224// - "lookup3", correction based on lookup tables. Gamma correction 225// is different for black and white text (see thresholds below) 226// 227// - "lookup", correction based on a single lookup table 228// 229// - "shader3", correction applied by a GLSL shader. Gamma correction 230// is different for black and white text (see thresholds below) 231// 232// - "shader", correction applied by a GLSL shader 233// 234// See PROPERTY_TEXT_GAMMA, PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD and 235// PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD for more control. 236#define PROPERTY_TEXT_GAMMA_METHOD "hwui.text_gamma_correction" 237#define DEFAULT_TEXT_GAMMA_METHOD "lookup" 238 239// Gamma (>= 1.0, <= 10.0) 240#define PROPERTY_TEXT_GAMMA "hwui.text_gamma" 241// Luminance threshold below which black gamma correction is applied. Range: [0..255] 242#define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "hwui.text_gamma.black_threshold" 243// Lumincance threshold above which white gamma correction is applied. Range: [0..255] 244#define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "hwui.text_gamma.white_threshold" 245 246/////////////////////////////////////////////////////////////////////////////// 247// Default property values 248/////////////////////////////////////////////////////////////////////////////// 249 250#define DEFAULT_TEXTURE_CACHE_SIZE 24.0f 251#define DEFAULT_LAYER_CACHE_SIZE 16.0f 252#define DEFAULT_RENDER_BUFFER_CACHE_SIZE 2.0f 253#define DEFAULT_PATH_CACHE_SIZE 4.0f 254#define DEFAULT_VERTEX_CACHE_SIZE 1.0f 255#define DEFAULT_PATCH_CACHE_SIZE 128 // in kB 256#define DEFAULT_GRADIENT_CACHE_SIZE 0.5f 257#define DEFAULT_DROP_SHADOW_CACHE_SIZE 2.0f 258#define DEFAULT_FBO_CACHE_SIZE 0 259 260#define DEFAULT_TEXTURE_CACHE_FLUSH_RATE 0.6f 261 262#define DEFAULT_TEXT_GAMMA 1.4f 263#define DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD 64 264#define DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD 192 265 266/////////////////////////////////////////////////////////////////////////////// 267// Misc 268/////////////////////////////////////////////////////////////////////////////// 269 270// Converts a number of mega-bytes into bytes 271#define MB(s) s * 1024 * 1024 272// Converts a number of kilo-bytes into bytes 273#define KB(s) s * 1024 274 275enum class ProfileType { 276 None, 277 Console, 278 Bars 279}; 280 281enum class OverdrawColorSet { 282 Default = 0, 283 Deuteranomaly 284}; 285 286enum class StencilClipDebug { 287 Hide, 288 ShowHighlight, 289 ShowRegion 290}; 291 292/** 293 * Renderthread-only singleton which manages several static rendering properties. Most of these 294 * are driven by system properties which are queried once at initialization, and again if init() 295 * is called. 296 */ 297class Properties { 298public: 299 static bool load(); 300 301 static bool drawDeferDisabled; 302 static bool drawReorderDisabled; 303 static bool debugLayersUpdates; 304 static bool debugOverdraw; 305 static bool showDirtyRegions; 306 // TODO: Remove after stabilization period 307 static bool skipEmptyFrames; 308 // TODO: Remove after stabilization period 309 static bool swapBuffersWithDamage; 310 311 static DebugLevel debugLevel; 312 static OverdrawColorSet overdrawColorSet; 313 static StencilClipDebug debugStencilClip; 314 315 // Override the value for a subset of properties in this class 316 static void overrideProperty(const char* name, const char* value); 317 318 static float overrideLightRadius; 319 static float overrideLightPosY; 320 static float overrideLightPosZ; 321 static float overrideAmbientRatio; 322 static int overrideAmbientShadowStrength; 323 static int overrideSpotShadowStrength; 324 325 static ProfileType getProfileType(); 326 327private: 328 static ProfileType sProfileType; 329 static bool sDisableProfileBars; 330 331}; // class Caches 332 333}; // namespace uirenderer 334}; // namespace android 335 336#endif // ANDROID_HWUI_PROPERTIES_H 337