Cleanup some state on reset in the GPU code.

GPU/GLES/DisplayListInterpreter.cpp

@@ -191,6 +191,8 @@ GLES_GPU::~GLES_GPU()
 		delete (*iter);
 	}
 	vfbs_.clear();
+
+	delete flushBeforeCommand;
 }
 
 void GLES_GPU::InitClear()

GPU/GPUState.cpp

@@ -56,6 +56,8 @@ void InitGfxState()
 		memcpy(gstate.boneMatrix + i * 12, identity4x3, 12 * sizeof(float));
 	}
 
+	gpuStats.reset();
+
 	switch (PSP_CoreParameter().gpuCore) {
 	case GPU_NULL:
 		gpu = new NullGPU();

GPU/Null/NullGpu.cpp

@@ -46,6 +46,13 @@ static bool finished;
 
 static int dlIdGenerator = 1;
 
+NullGPU::NullGPU()
+{
+	interruptsEnabled_ = true;
+	dlIdGenerator = 1;
+	dlQueue.clear();
+}
+
 bool NullGPU::ProcessDLQueue()
 {
 	std::vector<DisplayList>::iterator iter = dlQueue.begin();

GPU/Null/NullGpu.h

@@ -24,7 +24,7 @@ class ShaderManager;
 class NullGPU : public GPUInterface
 {
 public:
-	NullGPU() : interruptsEnabled_(true) {}
+	NullGPU();
 	virtual void InitClear() {}
 	virtual u32 EnqueueList(u32 listpc, u32 stall);
 	virtual void UpdateStall(int listid, u32 newstall);