[BugFix] clear AttributeInfo vector since vertex layout info may change for different scenarios (#19330)

Mee-gu · minggo · commit 5c3a6d0ddbda · 2019-01-22T10:50:36.000+08:00
diff --git a/cocos/renderer/backend/opengl/ProgramGL.cpp b/cocos/renderer/backend/opengl/ProgramGL.cpp
@@ -161,6 +161,7 @@ void ProgramGL::compileProgram()
 
 void ProgramGL::computeAttributeInfos(const RenderPipelineDescriptor& descriptor)
 {
+    _attributeInfos.clear();
     const auto& vertexLayouts = descriptor.vertexLayouts;
     for (const auto& vertexLayout : vertexLayouts)
     {

Original file line number	Diff line number	Diff line change
`@@ -161,6 +161,7 @@ void ProgramGL::compileProgram()`
`161`	`161`
`162`	`162`	`void ProgramGL::computeAttributeInfos(const RenderPipelineDescriptor& descriptor)`
`163`	`163`	`{`
	`164`	`+ _attributeInfos.clear();`
`164`	`165`	`const auto& vertexLayouts = descriptor.vertexLayouts;`
`165`	`166`	`for (const auto& vertexLayout : vertexLayouts)`
`166`	`167`	`{`