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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HWUI_PROPERTIES_H
#define ANDROID_HWUI_PROPERTIES_H
#include <cutils/properties.h>
/**
* This file contains the list of system properties used to configure
* the OpenGLRenderer.
*/
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Compile-time properties
///////////////////////////////////////////////////////////////////////////////
// If turned on, text is interpreted as glyphs instead of UTF-16
#define RENDER_TEXT_AS_GLYPHS 1
// Textures used by layers must have dimensions multiples of this number
#define LAYER_SIZE 64
// Defines the size in bits of the stencil buffer for the framebuffer
// Note: Only 1 bit is required for clipping but more bits are required
// to properly implement overdraw debugging
#define STENCIL_BUFFER_SIZE 8
///////////////////////////////////////////////////////////////////////////////
// Debug properties
///////////////////////////////////////////////////////////////////////////////
/**
* Debug level for app developers. The value is a numeric value defined
* by the DebugLevel enum below.
*/
#define PROPERTY_DEBUG "debug.hwui.level"
/**
* Debug levels. Debug levels are used as flags.
*/
enum DebugLevel {
kDebugDisabled = 0,
kDebugMemory = 1,
kDebugCaches = 2,
kDebugMoreCaches = kDebugMemory | kDebugCaches
};
/**
* Used to enable/disable layers update debugging. The accepted values are
* "true" and "false". The default value is "false".
*/
#define PROPERTY_DEBUG_LAYERS_UPDATES "debug.hwui.show_layers_updates"
/**
* Used to enable/disable overdraw debugging.
*
* The accepted values are
* "show", to show overdraw
* "show_deuteranomaly", to show overdraw if you suffer from Deuteranomaly
* "count", to show an overdraw counter
* "false", to disable overdraw debugging
*
* The default value is "false".
*/
#define PROPERTY_DEBUG_OVERDRAW "debug.hwui.overdraw"
/**
* System property used to enable or disable hardware rendering profiling.
* The default value of this property is assumed to be false.
*
* When profiling is enabled, the adb shell dumpsys gfxinfo command will
* output extra information about the time taken to execute by the last
* frames.
*
* Possible values:
* "true", to enable profiling
* "visual_bars", to enable profiling and visualize the results on screen
* "false", to disable profiling
*/
#define PROPERTY_PROFILE "debug.hwui.profile"
#define PROPERTY_PROFILE_VISUALIZE_BARS "visual_bars"
/**
* Used to enable/disable non-rectangular clipping debugging.
*
* The accepted values are:
* "highlight", drawing commands clipped by the stencil will
* be colored differently
* "region", renders the clipping region on screen whenever
* the stencil is set
* "hide", don't show the clip
*
* The default value is "hide".
*/
#define PROPERTY_DEBUG_STENCIL_CLIP "debug.hwui.show_non_rect_clip"
/**
* Turn on to draw dirty regions every other frame.
*
* Possible values:
* "true", to enable dirty regions debugging
* "false", to disable dirty regions debugging
*/
#define PROPERTY_DEBUG_SHOW_DIRTY_REGIONS "debug.hwui.show_dirty_regions"
/**
* Disables draw operation deferral if set to "true", forcing draw
* commands to be issued to OpenGL in order, and processed in sequence
* with state-manipulation canvas commands.
*/
#define PROPERTY_DISABLE_DRAW_DEFER "debug.hwui.disable_draw_defer"
/**
* Used to disable draw operation reordering when deferring draw operations
* Has no effect if PROPERTY_DISABLE_DRAW_DEFER is set to "true"
*/
#define PROPERTY_DISABLE_DRAW_REORDER "debug.hwui.disable_draw_reorder"
/**
* Setting this property will enable or disable the dropping of frames with
* empty damage. Default is "true".
*/
#define PROPERTY_SKIP_EMPTY_DAMAGE "debug.hwui.skip_empty_damage"
/**
* Controls whether or not HWUI will use the EGL_EXT_buffer_age extension
* to do partial invalidates. Setting this to "false" will fall back to
* using BUFFER_PRESERVED instead
* Default is "true"
*/
#define PROPERTY_USE_BUFFER_AGE "debug.hwui.use_buffer_age"
/**
* Setting this to "false" will force HWUI to always do full-redraws of the surface.
* This will disable the use of EGL_EXT_buffer_age and BUFFER_PRESERVED.
* Default is "true"
*/
#define PROPERTY_ENABLE_PARTIAL_UPDATES "debug.hwui.enable_partial_updates"
///////////////////////////////////////////////////////////////////////////////
// Runtime configuration properties
///////////////////////////////////////////////////////////////////////////////
/**
* Used to enable/disable scissor optimization. The accepted values are
* "true" and "false". The default value is "false".
*
* When scissor optimization is enabled, OpenGLRenderer will attempt to
* minimize the use of scissor by selectively enabling and disabling the
* GL scissor test.
* When the optimization is disabled, OpenGLRenderer will keep the GL
* scissor test enabled and change the scissor rect as needed.
* Some GPUs (for instance the SGX 540) perform better when changing
* the scissor rect often than when enabling/disabling the scissor test
* often.
*/
#define PROPERTY_DISABLE_SCISSOR_OPTIMIZATION "ro.hwui.disable_scissor_opt"
/**
* Indicates whether PBOs can be used to back pixel buffers.
* Accepted values are "true" and "false". Default is true.
*/
#define PROPERTY_ENABLE_GPU_PIXEL_BUFFERS "ro.hwui.use_gpu_pixel_buffers"
// These properties are defined in mega-bytes
#define PROPERTY_TEXTURE_CACHE_SIZE "ro.hwui.texture_cache_size"
#define PROPERTY_LAYER_CACHE_SIZE "ro.hwui.layer_cache_size"
#define PROPERTY_RENDER_BUFFER_CACHE_SIZE "ro.hwui.r_buffer_cache_size"
#define PROPERTY_GRADIENT_CACHE_SIZE "ro.hwui.gradient_cache_size"
#define PROPERTY_PATH_CACHE_SIZE "ro.hwui.path_cache_size"
#define PROPERTY_VERTEX_CACHE_SIZE "ro.hwui.vertex_cache_size"
#define PROPERTY_PATCH_CACHE_SIZE "ro.hwui.patch_cache_size"
#define PROPERTY_DROP_SHADOW_CACHE_SIZE "ro.hwui.drop_shadow_cache_size"
#define PROPERTY_FBO_CACHE_SIZE "ro.hwui.fbo_cache_size"
// These properties are defined in percentage (range 0..1)
#define PROPERTY_TEXTURE_CACHE_FLUSH_RATE "ro.hwui.texture_cache_flushrate"
// These properties are defined in pixels
#define PROPERTY_TEXT_SMALL_CACHE_WIDTH "ro.hwui.text_small_cache_width"
#define PROPERTY_TEXT_SMALL_CACHE_HEIGHT "ro.hwui.text_small_cache_height"
#define PROPERTY_TEXT_LARGE_CACHE_WIDTH "ro.hwui.text_large_cache_width"
#define PROPERTY_TEXT_LARGE_CACHE_HEIGHT "ro.hwui.text_large_cache_height"
// Gamma (>= 1.0, <= 10.0)
#define PROPERTY_TEXT_GAMMA "hwui.text_gamma"
///////////////////////////////////////////////////////////////////////////////
// Default property values
///////////////////////////////////////////////////////////////////////////////
#define DEFAULT_TEXTURE_CACHE_SIZE 24.0f
#define DEFAULT_LAYER_CACHE_SIZE 16.0f
#define DEFAULT_RENDER_BUFFER_CACHE_SIZE 2.0f
#define DEFAULT_PATH_CACHE_SIZE 4.0f
#define DEFAULT_VERTEX_CACHE_SIZE 1.0f
#define DEFAULT_PATCH_CACHE_SIZE 128.0f // in kB
#define DEFAULT_GRADIENT_CACHE_SIZE 0.5f
#define DEFAULT_DROP_SHADOW_CACHE_SIZE 2.0f
#define DEFAULT_FBO_CACHE_SIZE 0
#define DEFAULT_TEXTURE_CACHE_FLUSH_RATE 0.6f
#define DEFAULT_TEXT_GAMMA 1.4f
///////////////////////////////////////////////////////////////////////////////
// Misc
///////////////////////////////////////////////////////////////////////////////
// Converts a number of mega-bytes into bytes
#define MB(s) s * 1024 * 1024
// Converts a number of kilo-bytes into bytes
#define KB(s) s * 1024
enum class ProfileType {
None,
Console,
Bars
};
enum class OverdrawColorSet {
Default = 0,
Deuteranomaly
};
enum class StencilClipDebug {
Hide,
ShowHighlight,
ShowRegion
};
/**
* Renderthread-only singleton which manages several static rendering properties. Most of these
* are driven by system properties which are queried once at initialization, and again if init()
* is called.
*/
class Properties {
public:
static bool load();
static bool drawDeferDisabled;
static bool drawReorderDisabled;
static bool debugLayersUpdates;
static bool debugOverdraw;
static bool showDirtyRegions;
// TODO: Remove after stabilization period
static bool skipEmptyFrames;
static bool useBufferAge;
static bool enablePartialUpdates;
static float textGamma;
static int layerPoolSize;
static DebugLevel debugLevel;
static OverdrawColorSet overdrawColorSet;
static StencilClipDebug debugStencilClip;
// Override the value for a subset of properties in this class
static void overrideProperty(const char* name, const char* value);
static float overrideLightRadius;
static float overrideLightPosY;
static float overrideLightPosZ;
static float overrideAmbientRatio;
static int overrideAmbientShadowStrength;
static int overrideSpotShadowStrength;
static ProfileType getProfileType();
// Should be used only by test apps
static bool waitForGpuCompletion;
private:
static ProfileType sProfileType;
static bool sDisableProfileBars;
}; // class Caches
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_PROPERTIES_H