From d5ea6e45e0cf89d806b11575848be4b904c8a35d Mon Sep 17 00:00:00 2001
From: Jon Ashburn <jon@lunarg.com>
Date: Tue, 13 Jan 2015 17:24:01 -0700
Subject: layers: Add ability to override layer settings from file with a call

Add setLayerOption function call.
---
 layers/layers_config.cpp | 51 +++++++++++++++++++++++++++++++++++++++++++++++-
 layers/layers_config.h   |  2 ++
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/layers/layers_config.cpp b/layers/layers_config.cpp
index 2d8ea6dd..de894d24 100644
--- a/layers/layers_config.cpp
+++ b/layers/layers_config.cpp
@@ -26,6 +26,7 @@
 #include <string>
 #include <map>
 #include <string.h>
+#include <xglLayer.h>
 #include "layers_config.h"
 
 #define MAX_CHARS_PER_LINE 4096
@@ -37,6 +38,8 @@ public:
     ~ConfigFile();
 
     const char *getOption(const std::string &_option);
+    void setOption(const std::string &_option, const std::string &_val);
+
 private:
     bool m_fileIsParsed;
     std::map<std::string, std::string> m_valueMap;
@@ -45,12 +48,48 @@ private:
 };
 
 static ConfigFile g_configFileObj;
+
+static unsigned int convertStringEnumVal(const char *_enum)
+{
+    // only handles single enum values
+    if (!strcmp(_enum, "XGL_DBG_LAYER_ACTION_IGNORE"))
+        return XGL_DBG_LAYER_ACTION_IGNORE;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_ACTION_CALLBACK"))
+        return XGL_DBG_LAYER_ACTION_CALLBACK;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_ACTION_LOG_MSG"))
+        return XGL_DBG_LAYER_ACTION_LOG_MSG;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_ACTION_BREAK"))
+        return XGL_DBG_LAYER_ACTION_BREAK;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_LEVEL_INFO"))
+        return XGL_DBG_LAYER_LEVEL_INFO;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_LEVEL_WARN"))
+        return XGL_DBG_LAYER_LEVEL_WARN;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_LEVEL_PERF_WARN"))
+        return XGL_DBG_LAYER_LEVEL_PERF_WARN;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_LEVEL_ERROR"))
+        return XGL_DBG_LAYER_LEVEL_ERROR;
+    else if (!strcmp(_enum, "XGL_DBG_LAYER_LEVEL_NONE"))
+        return XGL_DBG_LAYER_LEVEL_NONE;
+    return 0;
+}
 const char *getLayerOption(const char *_option)
 {
-    std::string option(_option);
     return g_configFileObj.getOption(_option);
 }
 
+void setLayerOptionEnum(const char *_option, const char *_valEnum)
+{
+    unsigned int val = convertStringEnumVal(_valEnum);
+    char strVal[24];
+    snprintf(strVal, 24, "%u", val);
+    g_configFileObj.setOption(_option, strVal);
+}
+
+void setLayerOption(const char *_option, const char *_val)
+{
+    g_configFileObj.setOption(_option, _val);
+}
+
 ConfigFile::ConfigFile() : m_fileIsParsed(false)
 {
 }
@@ -73,6 +112,16 @@ const char *ConfigFile::getOption(const std::string &_option)
         return it->second.c_str();
 }
 
+void ConfigFile::setOption(const std::string &_option, const std::string &_val)
+{
+    if (!m_fileIsParsed)
+    {
+        parseFile("xgl_layer_settings.txt");
+    }
+
+    m_valueMap[_option] = _val;
+}
+
 void ConfigFile::parseFile(const char *filename)
 {
     std::ifstream file;
diff --git a/layers/layers_config.h b/layers/layers_config.h
index 84cfea65..0010c098 100644
--- a/layers/layers_config.h
+++ b/layers/layers_config.h
@@ -30,6 +30,8 @@ extern "C" {
 
 const char *getLayerOption(const char *_option);
 
+void setLayerOption(const char *_option, const char *_val);
+void setLayerOptionEnum(const char *_option, const char *_valEnum);
 #ifdef __cplusplus
 }
 #endif
-- 
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