Transform feedback primitives written query fix

pixelProgress[cluster].processedPrimitives could have been cleared between the moment where it has been written and where it is read, so I added a local variable to prevent this issue. Change-Id: I495ed5c9e845c276890d6193b2fe4b8208f993d1 Reviewed-on: https://swiftshader-review.googlesource.com/5061Tested-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <capn@google.com>

Transform feedback primitives written query fix
f4fbcb8d · Alexis Hetu · Alexis Hétu · c6a57cb7 · f4fbcb8d
Commit f4fbcb8d authored Apr 07, 2016 by Alexis Hetu Committed by Alexis Hétu Apr 13, 2016
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Renderer.cpp src/Renderer/Renderer.cpp +3 -2

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--- a/src/Renderer/Renderer.cpp
+++ b/src/Renderer/Renderer.cpp
@@ -905,8 +905,9 @@ namespace sw
 		DrawData &data = *draw.data;
 		int primitive = primitiveProgress[unit].firstPrimitive;
 		int count = primitiveProgress[unit].primitiveCount;
+		int processedPrimitives = primitive + count;
-		pixelProgress[cluster].processedPrimitives = primitive + count;
+		pixelProgress[cluster].processedPrimitives = processedPrimitives;
 		if(pixelProgress[cluster].processedPrimitives >= draw.count)
 		{
@@ -947,7 +948,7 @@ namespace sw
 							}
 							break;
 						case Query::TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
-							atomicAdd((volatile int*)&query->data, pixelProgress[cluster].processedPrimitives);
+							atomicAdd((volatile int*)&query->data, processedPrimitives);
 							break;
 						default:
 							break;