fix issue

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Debug/DebugDisplay.hlsl

 
 // Draw a signed integer
 // Can't display more than 16 digit
+// The two following parameter are for float representation
-void DrawInteger(int intValue, float3 fontColor, uint2 currentUnormCoord, inout uint2 fixedUnormCoord, bool flipY, inout float3 color, uint leading0)
+// forceNegativeSign is used to force to display a negative sign as -0 is not recognize
+void DrawInteger(int intValue, float3 fontColor, uint2 currentUnormCoord, inout uint2 fixedUnormCoord, bool flipY, inout float3 color, int leading0, bool forceNegativeSign)
 {
     const uint maxStringSize = 16;
 
-    int numEntries = min((intValue == 0 ? 0 : log10(absIntValue)) + (intValue < 0 ? 1 : 0) + leading0, maxStringSize);
+    int numEntries = min((intValue == 0 ? 0 : log10(absIntValue)) + ((intValue < 0 || forceNegativeSign) ? 1 : 0) + leading0, maxStringSize);
-    // 3. Display leading 0
-    if (leading0 > 0) // Avoid warning
-    {
-        for (uint i = 0; i < leading0; ++i)
-        {
-            DrawCharacter('0', fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, -1);
-        }
-    }
-
-    // 4. Display the number
+    // 3. Display the number
     for (uint j = 0; j < maxStringSize; ++j)
     {
         // Numeric value incurrent font start on the second row at 0
         absIntValue /= 10;
     }
 
+    // 4. Display leading 0
+    for (int i = 0; i < leading0; ++i)
+    {
+        DrawCharacter('0', fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, -1);
+    }
+
-    if (intValue < 0)
+    if (intValue < 0 || forceNegativeSign)
     {
         DrawCharacter('-', fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, -1);
     }
 
 void DrawInteger(int intValue, float3 fontColor, uint2 currentUnormCoord, inout uint2 fixedUnormCoord, bool flipY, inout float3 color)
 {
-    DrawInteger(intValue, fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, 0);
+    DrawInteger(intValue, fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, 0, false);
 }
 
 void DrawFloat(float floatValue, float3 fontColor, uint2 currentUnormCoord, inout uint2 fixedUnormCoord, bool flipY, inout float3 color)
     else
     {
         int intValue = int(floatValue);
-        DrawInteger(intValue, fontColor, currentUnormCoord, fixedUnormCoord, flipY, color);
+        bool forceNegativeSign = floatValue >= 0.0f ? false : true;
+        DrawInteger(intValue, fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, 0, forceNegativeSign);
-        int fracValue = int(frac(floatValue) * 1e6); // 6 digit
-        uint leading0 = max(6 - (log10(fracValue) + 1), 0); // Counting leading0 to add in front of the float
-        DrawInteger(fracValue, fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, leading0);
+        int fracValue = int(frac(abs(floatValue)) * 1e6); // 6 digit
+        int leading0 = 6 - (int(log10(fracValue)) + 1); // Counting leading0 to add in front of the float
+        DrawInteger(fracValue, fontColor, currentUnormCoord, fixedUnormCoord, flipY, color, leading0, false);
     }
 }