libs/hwui/Properties.h - platform/frameworks/base - Gitiles

 /*
  * 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>
 #include <stdlib.h>

 /**
  * This file contains the list of system properties used to configure
  * the OpenGLRenderer.
  */

 ///////////////////////////////////////////////////////////////////////////////
 // Compile-time properties
 ///////////////////////////////////////////////////////////////////////////////

 // If turned on, text is interpreted as glyphs instead of UTF-16
 #define RENDER_TEXT_AS_GLYPHS 1

 // Indicates whether to remove the biggest layers first, or the smaller ones
 #define LAYER_REMOVE_BIGGEST_FIRST 0

 // 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"

 /**
  * Used to enable/disable PerfHUD ES profiling. The accepted values
  * are "true" and "false". The default value is "false".
  */
 #define PROPERTY_DEBUG_NV_PROFILING "debug.hwui.nv_profiling"

 /**
  *  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"

 /**
  * System property used to specify the number of frames to be used
  * when doing hardware rendering profiling.
  * The default value of this property is #PROFILE_MAX_FRAMES.
  *
  * 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:
  * "60", to set the limit of frames to 60
  */
 #define PROPERTY_PROFILE_MAXFRAMES "debug.hwui.profile.maxframes"

 /**
  * 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"

 ///////////////////////////////////////////////////////////////////////////////
 // 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"

 // Indicates whether gamma correction should be applied in the shaders
 // or in lookup tables. Accepted values:
 //
 //     - "lookup3", correction based on lookup tables. Gamma correction
 //        is different for black and white text (see thresholds below)
 //
 //     - "lookup", correction based on a single lookup table
 //
 //     - "shader3", correction applied by a GLSL shader. Gamma correction
 //        is different for black and white text (see thresholds below)
 //
 //     - "shader", correction applied by a GLSL shader
 //
 // See PROPERTY_TEXT_GAMMA, PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD and
 // PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD for more control.
 #define PROPERTY_TEXT_GAMMA_METHOD "hwui.text_gamma_correction"
 #define DEFAULT_TEXT_GAMMA_METHOD "lookup"

 // Gamma (>= 1.0, <= 10.0)
 #define PROPERTY_TEXT_GAMMA "hwui.text_gamma"
 // Luminance threshold below which black gamma correction is applied. Range: [0..255]
 #define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "hwui.text_gamma.black_threshold"
 // Lumincance threshold above which white gamma correction is applied. Range: [0..255]
 #define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "hwui.text_gamma.white_threshold"

 ///////////////////////////////////////////////////////////////////////////////
 // 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 10.0f
 #define DEFAULT_VERTEX_CACHE_SIZE 1.0f
 #define DEFAULT_PATCH_CACHE_SIZE 128 // 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
 #define DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD 64
 #define DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD 192

 ///////////////////////////////////////////////////////////////////////////////
 // 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

 static DebugLevel readDebugLevel() {
     char property[PROPERTY_VALUE_MAX];
     if (property_get(PROPERTY_DEBUG, property, NULL) > 0) {
         return (DebugLevel) atoi(property);
     }
     return kDebugDisabled;
 }

 #endif // ANDROID_HWUI_PROPERTIES_H
	/*
	* 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>
	#include <stdlib.h>

	/**
	* This file contains the list of system properties used to configure
	* the OpenGLRenderer.
	*/

	///////////////////////////////////////////////////////////////////////////////
	// Compile-time properties
	///////////////////////////////////////////////////////////////////////////////

	// If turned on, text is interpreted as glyphs instead of UTF-16
	#define RENDER_TEXT_AS_GLYPHS 1

	// Indicates whether to remove the biggest layers first, or the smaller ones
	#define LAYER_REMOVE_BIGGEST_FIRST 0

	// 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"

	/**
	* Used to enable/disable PerfHUD ES profiling. The accepted values
	* are "true" and "false". The default value is "false".
	*/
	#define PROPERTY_DEBUG_NV_PROFILING "debug.hwui.nv_profiling"

	/**
	* 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"

	/**
	* System property used to specify the number of frames to be used
	* when doing hardware rendering profiling.
	* The default value of this property is #PROFILE_MAX_FRAMES.
	*
	* 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:
	* "60", to set the limit of frames to 60
	*/
	#define PROPERTY_PROFILE_MAXFRAMES "debug.hwui.profile.maxframes"

	/**
	* 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"

	///////////////////////////////////////////////////////////////////////////////
	// 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"

	// Indicates whether gamma correction should be applied in the shaders
	// or in lookup tables. Accepted values:
	//
	// - "lookup3", correction based on lookup tables. Gamma correction
	// is different for black and white text (see thresholds below)
	//
	// - "lookup", correction based on a single lookup table
	//
	// - "shader3", correction applied by a GLSL shader. Gamma correction
	// is different for black and white text (see thresholds below)
	//
	// - "shader", correction applied by a GLSL shader
	//
	// See PROPERTY_TEXT_GAMMA, PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD and
	// PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD for more control.
	#define PROPERTY_TEXT_GAMMA_METHOD "hwui.text_gamma_correction"
	#define DEFAULT_TEXT_GAMMA_METHOD "lookup"

	// Gamma (>= 1.0, <= 10.0)
	#define PROPERTY_TEXT_GAMMA "hwui.text_gamma"
	// Luminance threshold below which black gamma correction is applied. Range: [0..255]
	#define PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD "hwui.text_gamma.black_threshold"
	// Lumincance threshold above which white gamma correction is applied. Range: [0..255]
	#define PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD "hwui.text_gamma.white_threshold"

	///////////////////////////////////////////////////////////////////////////////
	// 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 10.0f
	#define DEFAULT_VERTEX_CACHE_SIZE 1.0f
	#define DEFAULT_PATCH_CACHE_SIZE 128 // 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
	#define DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD 64
	#define DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD 192

	///////////////////////////////////////////////////////////////////////////////
	// 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

	static DebugLevel readDebugLevel() {
	char property[PROPERTY_VALUE_MAX];
	if (property_get(PROPERTY_DEBUG, property, NULL) > 0) {
	return (DebugLevel) atoi(property);
	}
	return kDebugDisabled;
	}

	#endif // ANDROID_HWUI_PROPERTIES_H