LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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libdebug: Add common debug utility.

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- Add sdm and drm independent debug utility.

CRs-Fixed: 2211061
Change-Id: I48f9d8080ce05cff0ac0982f8e7123fec969e695
This commit is contained in:
Dileep Marchya
2018-03-09 16:40:35 +05:30
parent 8ae77fc36e
commit 1bfb21012e
6 changed files with 180 additions and 1 deletions
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1
Android.bp
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@@ -27,6 +27,7 @@ cc_library_headers {
"gpu_tonemapper",
"sdm/include",
"gralloc",
"libdebug",
],
header_libs: ["libhardware_headers"],
export_header_lib_headers: ["libhardware_headers"],

2
Android.mk
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@@ -1,6 +1,6 @@
ifneq ($(TARGET_DISABLE_DISPLAY),true)
sdm-libs := sdm/libs
display-hals := include $(sdm-libs)/utils $(sdm-libs)/core
display-hals := include libdebug $(sdm-libs)/utils $(sdm-libs)/core
ifneq ($(TARGET_IS_HEADLESS), true)
display-hals += libcopybit liblight libmemtrack hdmi_cec \

1
include/Android.mk
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@@ -12,6 +12,7 @@ LOCAL_COPY_HEADERS := color_metadata.h \
../libqdutils/qd_utils.h \
../libqdutils/qdMetaData.h \
../libqdutils/display_config.h \
../libdebug/debug_handler.h \
../libqservice/QServiceUtils.h \
../libqservice/IQService.h \
../libqservice/IQHDMIClient.h \

16
libdebug/Android.mk Normal file
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@@ -0,0 +1,16 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := libdisplaydebug
LOCAL_VENDOR_MODULE := true
LOCAL_MODULE_TAGS := optional
LOCAL_C_INCLUDES := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
LOCAL_SHARED_LIBRARIES := libdl
LOCAL_CFLAGS := -DLOG_TAG=\"SDM\" -Wall -std=c++11 -Werror -fno-operator-names
LOCAL_CLANG := true
LOCAL_ADDITIONAL_DEPENDENCIES := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
LOCAL_SRC_FILES := debug_handler.cpp
LOCAL_COPY_HEADERS_TO := qcom/display
LOCAL_COPY_HEADERS := debug_handler.h
include $(BUILD_SHARED_LIBRARY)

60
libdebug/debug_handler.cpp Normal file
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@@ -0,0 +1,60 @@
/*
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "debug_handler.h"
namespace display {
// By default, drop any log messages/traces. It need to be overridden by client.
class DefaultDebugHandler : public DebugHandler {
public:
virtual void Error(const char *, ...) { }
virtual void Warning(const char *, ...) { }
virtual void Info(const char *, ...) { }
virtual void Debug(const char *, ...) { }
virtual void Verbose(const char *, ...) { }
virtual void BeginTrace(const char *, const char *, const char *) { }
virtual void EndTrace() { }
virtual int GetProperty(const char *, int *) { return -1; }
virtual int GetProperty(const char *, char *) { return -1; }
};
DefaultDebugHandler g_default_debug_handler;
DebugHandler * DebugHandler::debug_handler_ = &g_default_debug_handler;
std::bitset<32> DebugHandler::log_mask_ = 0x1; // Always print logs tagged with value 0
void DebugHandler::Set(DebugHandler *debug_handler) {
if (debug_handler) {
debug_handler_ = debug_handler;
} else {
debug_handler_ = &g_default_debug_handler;
}
}
} // namespace display

101
libdebug/debug_handler.h Normal file
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@@ -0,0 +1,101 @@
/*
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DEBUG_HANDLER_H__
#define __DEBUG_HANDLER_H__
#include <bitset>
#define DLOG(method, format, ...) \
display::DebugHandler::Get()->method(__CLASS__ "::%s: " format, __FUNCTION__, ##__VA_ARGS__)
#define DLOG_IF(tag, method, format, ...) \
if (display::DebugHandler::GetLogMask()[tag]) { \
DLOG(method, format, ##__VA_ARGS__); \
}
#define DLOGE_IF(tag, format, ...) DLOG_IF(tag, Error, format, ##__VA_ARGS__)
#define DLOGW_IF(tag, format, ...) DLOG_IF(tag, Warning, format, ##__VA_ARGS__)
#define DLOGI_IF(tag, format, ...) DLOG_IF(tag, Info, format, ##__VA_ARGS__)
#define DLOGD_IF(tag, format, ...) DLOG_IF(tag, Debug, format, ##__VA_ARGS__)
#define DLOGV_IF(tag, format, ...) DLOG_IF(tag, Verbose, format, ##__VA_ARGS__)
#define DLOGE(format, ...) DLOG(Error, format, ##__VA_ARGS__)
#define DLOGD(format, ...) DLOG(Warning, format, ##__VA_ARGS__)
#define DLOGW(format, ...) DLOG(Info, format, ##__VA_ARGS__)
#define DLOGI(format, ...) DLOG(Debug, format, ##__VA_ARGS__)
#define DLOGV(format, ...) DLOG(Verbose, format, ##__VA_ARGS__)
#define DTRACE_BEGIN(custom_string) display::DebugHandler::Get()->BeginTrace( \
__CLASS__, __FUNCTION__, custom_string)
#define DTRACE_END() display::DebugHandler::Get()->EndTrace()
#define DTRACE_SCOPED() display::ScopeTracer <display::DebugHandler> \
scope_tracer(__CLASS__, __FUNCTION__)
namespace display {
class DebugHandler {
public:
virtual void Error(const char *format, ...) = 0;
virtual void Warning(const char *format, ...) = 0;
virtual void Info(const char *format, ...) = 0;
virtual void Debug(const char *format, ...) = 0;
virtual void Verbose(const char *format, ...) = 0;
virtual void BeginTrace(const char *class_name, const char *function_name,
const char *custom_string) = 0;
virtual void EndTrace() = 0;
virtual int GetProperty(const char *property_name, int *value) = 0;
virtual int GetProperty(const char *property_name, char *value) = 0;
static inline DebugHandler *Get() { return debug_handler_; }
static void Set(DebugHandler *debug_handler);
static inline std::bitset<32> & GetLogMask() { return log_mask_; }
static void SetLogMask(const std::bitset<32> &log_mask) { log_mask_ = log_mask; }
protected:
virtual ~DebugHandler() { }
private:
static DebugHandler *debug_handler_;
static std::bitset<32> log_mask_;
};
template <class T>
class ScopeTracer {
public:
ScopeTracer(const char *class_name, const char *function_name) {
T::Get()->BeginTrace(class_name, function_name, "");
}
~ScopeTracer() { T::Get()->EndTrace(); }
};
} // namespace display
#endif // __DEBUG_HANDLER_H__