224 lines
8.1 KiB
C
224 lines
8.1 KiB
C
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWUI_PROPERTIES_H
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#define ANDROID_HWUI_PROPERTIES_H
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#include <cutils/properties.h>
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#include <stdlib.h>
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/**
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* This file contains the list of system properties used to configure
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* the OpenGLRenderer.
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*/
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///////////////////////////////////////////////////////////////////////////////
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// Compile-time properties
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///////////////////////////////////////////////////////////////////////////////
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// If turned on, text is interpreted as glyphs instead of UTF-16
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#define RENDER_TEXT_AS_GLYPHS 1
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// Indicates whether to remove the biggest layers first, or the smaller ones
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#define LAYER_REMOVE_BIGGEST_FIRST 0
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// Textures used by layers must have dimensions multiples of this number
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#define LAYER_SIZE 64
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// Defines the size in bits of the stencil buffer for the framebuffer
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// Note: Only 1 bit is required for clipping but more bits are required
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// to properly implement overdraw debugging
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#define STENCIL_BUFFER_SIZE 8
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///////////////////////////////////////////////////////////////////////////////
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// Debug properties
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///////////////////////////////////////////////////////////////////////////////
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/**
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* Debug level for app developers. The value is a numeric value defined
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* by the DebugLevel enum below.
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*/
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#define PROPERTY_DEBUG "debug.hwui.level"
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/**
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* Debug levels. Debug levels are used as flags.
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*/
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enum DebugLevel {
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kDebugDisabled = 0,
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kDebugMemory = 1,
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kDebugCaches = 2,
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kDebugMoreCaches = kDebugMemory | kDebugCaches
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};
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/**
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* Used to enable/disable layers update debugging. The accepted values are
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* "true" and "false". The default value is "false".
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*/
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#define PROPERTY_DEBUG_LAYERS_UPDATES "debug.hwui.show_layers_updates"
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/**
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* Used to enable/disable overdraw debugging.
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*
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* The accepted values are
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* "show", to show overdraw
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* "show_deuteranomaly", to show overdraw if you suffer from Deuteranomaly
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* "count", to show an overdraw counter
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* "false", to disable overdraw debugging
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*
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* The default value is "false".
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*/
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#define PROPERTY_DEBUG_OVERDRAW "debug.hwui.overdraw"
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/**
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* Used to enable/disable PerfHUD ES profiling. The accepted values
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* are "true" and "false". The default value is "false".
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*/
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#define PROPERTY_DEBUG_NV_PROFILING "debug.hwui.nv_profiling"
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/**
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* Used to enable/disable non-rectangular clipping debugging.
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*
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* The accepted values are:
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* "highlight", drawing commands clipped by the stencil will
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* be colored differently
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* "region", renders the clipping region on screen whenever
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* the stencil is set
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* "hide", don't show the clip
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*
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* The default value is "hide".
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*/
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#define PROPERTY_DEBUG_STENCIL_CLIP "debug.hwui.show_non_rect_clip"
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/**
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* Disables draw operation deferral if set to "true", forcing draw
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* commands to be issued to OpenGL in order, and processed in sequence
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* with state-manipulation canvas commands.
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*/
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#define PROPERTY_DISABLE_DRAW_DEFER "debug.hwui.disable_draw_defer"
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/**
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* Used to disable draw operation reordering when deferring draw operations
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* Has no effect if PROPERTY_DISABLE_DRAW_DEFER is set to "true"
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*/
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#define PROPERTY_DISABLE_DRAW_REORDER "debug.hwui.disable_draw_reorder"
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///////////////////////////////////////////////////////////////////////////////
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// Runtime configuration properties
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///////////////////////////////////////////////////////////////////////////////
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/**
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* Used to enable/disable scissor optimization. The accepted values are
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* "true" and "false". The default value is "false".
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*
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* When scissor optimization is enabled, OpenGLRenderer will attempt to
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* minimize the use of scissor by selectively enabling and disabling the
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* GL scissor test.
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* When the optimization is disabled, OpenGLRenderer will keep the GL
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* scissor test enabled and change the scissor rect as needed.
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* Some GPUs (for instance the SGX 540) perform better when changing
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* the scissor rect often than when enabling/disabling the scissor test
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* often.
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*/
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#define PROPERTY_DISABLE_SCISSOR_OPTIMIZATION "ro.hwui.disable_scissor_opt"
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/**
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* Indicates whether PBOs can be used to back pixel buffers.
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* Accepted values are "true" and "false". Default is true.
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*/
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#define PROPERTY_ENABLE_GPU_PIXEL_BUFFERS "ro.hwui.use_gpu_pixel_buffers"
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// These properties are defined in mega-bytes
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#define PROPERTY_TEXTURE_CACHE_SIZE "ro.hwui.texture_cache_size"
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#define PROPERTY_LAYER_CACHE_SIZE "ro.hwui.layer_cache_size"
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#define PROPERTY_RENDER_BUFFER_CACHE_SIZE "ro.hwui.r_buffer_cache_size"
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#define PROPERTY_GRADIENT_CACHE_SIZE "ro.hwui.gradient_cache_size"
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#define PROPERTY_PATH_CACHE_SIZE "ro.hwui.path_cache_size"
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#define PROPERTY_PATCH_CACHE_SIZE "ro.hwui.patch_cache_size"
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#define PROPERTY_DROP_SHADOW_CACHE_SIZE "ro.hwui.drop_shadow_cache_size"
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#define PROPERTY_FBO_CACHE_SIZE "ro.hwui.fbo_cache_size"
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// These properties are defined in percentage (range 0..1)
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#define PROPERTY_TEXTURE_CACHE_FLUSH_RATE "ro.hwui.texture_cache_flushrate"
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// These properties are defined in pixels
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#define PROPERTY_TEXT_SMALL_CACHE_WIDTH "ro.hwui.text_small_cache_width"
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#define PROPERTY_TEXT_SMALL_CACHE_HEIGHT "ro.hwui.text_small_cache_height"
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#define PROPERTY_TEXT_LARGE_CACHE_WIDTH "ro.hwui.text_large_cache_width"
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#define PROPERTY_TEXT_LARGE_CACHE_HEIGHT "ro.hwui.text_large_cache_height"
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// Indicates whether gamma correction should be applied in the shaders
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// or in lookup tables. Accepted values:
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//
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// - "lookup3", correction based on lookup tables. Gamma correction
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// is different for black and white text (see thresholds below)
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//
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// - "lookup", correction based on a single lookup table
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//
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// - "shader3", correction applied by a GLSL shader. Gamma correction
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// is different for black and white text (see thresholds below)
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//
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// - "shader", correction applied by a GLSL shader
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//
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// See PROPERTY_TEXT_GAMMA, PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD and
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// PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD for more control.
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#define PROPERTY_TEXT_GAMMA_METHOD "hwui.text_gamma_correction"
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#define DEFAULT_TEXT_GAMMA_METHOD "lookup"
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// Gamma (>= 1.0, <= 10.0)
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#define PROPERTY_TEXT_GAMMA "hwui.text_gamma"
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// Luminance threshold below which black gamma correction is applied. Range: [0..255]
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#define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "hwui.text_gamma.black_threshold"
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// Lumincance threshold above which white gamma correction is applied. Range: [0..255]
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#define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "hwui.text_gamma.white_threshold"
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///////////////////////////////////////////////////////////////////////////////
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// Default property values
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///////////////////////////////////////////////////////////////////////////////
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#define DEFAULT_TEXTURE_CACHE_SIZE 24.0f
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#define DEFAULT_LAYER_CACHE_SIZE 16.0f
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#define DEFAULT_RENDER_BUFFER_CACHE_SIZE 2.0f
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#define DEFAULT_PATH_CACHE_SIZE 10.0f
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#define DEFAULT_PATCH_CACHE_SIZE 128 // in kB
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#define DEFAULT_GRADIENT_CACHE_SIZE 0.5f
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#define DEFAULT_DROP_SHADOW_CACHE_SIZE 2.0f
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#define DEFAULT_FBO_CACHE_SIZE 16
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#define DEFAULT_TEXTURE_CACHE_FLUSH_RATE 0.6f
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#define DEFAULT_TEXT_GAMMA 1.4f
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#define DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD 64
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#define DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD 192
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///////////////////////////////////////////////////////////////////////////////
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// Misc
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///////////////////////////////////////////////////////////////////////////////
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// Converts a number of mega-bytes into bytes
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#define MB(s) s * 1024 * 1024
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// Converts a number of kilo-bytes into bytes
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#define KB(s) s * 1024
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static DebugLevel readDebugLevel() {
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char property[PROPERTY_VALUE_MAX];
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if (property_get(PROPERTY_DEBUG, property, NULL) > 0) {
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return (DebugLevel) atoi(property);
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}
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return kDebugDisabled;
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}
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#endif // ANDROID_HWUI_PROPERTIES_H
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