Fix problems while resizing window

BasicPS.hlsl

@@ -13,7 +13,7 @@ output.albedo= float3(1.0f, 0.0f, 0.0f);
 output.normal= float4(pIn.normal, 1.0f);
 
 
-output.specgloss = float4(0.5,0.5,0.5,0.5);
+output.specgloss = float4(0.5,0.5,0.5,0.6);
 
 return output;
 }

CameraManager.cpp

@@ -105,7 +105,9 @@ void GCamera::InitProjMatrix(const float angle, const float client_width, const
 	mClientHeight = client_height;
 	mNearest = near_plane;
 	mFarthest = far_plane;
-	XMStoreFloat4x4(&mProj, XMMatrixPerspectiveFovLH(angle, client_width / client_height,
+	float ration = client_width / client_height;
+
+	XMStoreFloat4x4(&mProj, XMMatrixPerspectiveFovLH(angle,ration ,
 		near_plane, far_plane));
 
 
@@ -315,9 +317,12 @@ void GCamera::InitOrthoMatrix(const float clientWidth, const float clientHeight,
 
 void GCamera::OnResize(uint32_t new_width, uint32_t new_height)
 {
-	mClientWidth = new_width;
-	mClientHeight = new_height;
-	InitProjMatrix(mAngle, static_cast<float>(new_width), static_cast<float>(new_height), mNearest, mFarthest);
-	InitOrthoMatrix(static_cast<float>(new_width), static_cast<float>(new_height), 0.0f, mFarthest);
+	if (new_width != 0 && new_width != 0)
+	{
+		mClientWidth = new_width;
+		mClientHeight = new_height;
+		InitProjMatrix(mAngle, static_cast<float>(new_width), static_cast<float>(new_height), mNearest, mFarthest);
+		InitOrthoMatrix(static_cast<float>(new_width), static_cast<float>(new_height), 0.0f, mFarthest);
+	}
 }
 

DeferredRender.h

@@ -61,7 +61,7 @@ class DeferredRender
 	ComPtr<ID3D12Resource> mLightCB;
 	ComPtr<ID3D12Resource> mDsTexture;
 
-	float mClearColor[4] = { 0.2f,0.5f,0.7f,1.0f };
+	float mClearColor[4] = { 0.0,0.0f,0.0f,1.0f };
 	float mClearDepth = 1.0f;
 	const static int numRTV = 3;
 	ComPtr<ID3D12Resource> mRtvTexture[numRTV];

DirectxApp.h

@@ -13,7 +13,7 @@ class directxProcess :public windowsApp
 	CameraData mCamData;
 	LightData mLightData;
 	GCamera mCamera;
-
+	bool mInit = false;
 	SphereRenderer mSphereRenderer;
 
 	std::shared_ptr<D3dDeviceManager> GetDeviceResources()
@@ -60,7 +60,7 @@ class directxProcess :public windowsApp
 			mCamData.InvPV = mCamera.InvScreenProjView();
 			mCamData.CamPos = mCamera.Position();
 
-			mLightData.pos = XMFLOAT3(0, 7, -10);
+			mLightData.pos = XMFLOAT3(0, 7, -15);
 
 			mDeferredTech.Init();
 			mDeferredTech.UpdateConstantBuffer(mCamData, mLightData);
@@ -74,7 +74,7 @@ class directxProcess :public windowsApp
 			g_d3dObjects->WaitForGPU();
 		}
 		PIXEndEvent(commandQueue);
-
+		mInit = true;
 	}
 	void Render()
 	{
@@ -88,7 +88,7 @@ class directxProcess :public windowsApp
 
 			AddResourceBarrier(mCommandList.Get(), g_d3dObjects->GetRenderTarget(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET);
 
-			float clearColor[4]={ 0.2f,0.5f,0.7f,0.0f };
+			float clearColor[4]={ 0.0f,0.0f,0.0f,0.0f };
 			mCommandList->ClearRenderTargetView(g_d3dObjects->GetRenderTargetView(), clearColor,0,nullptr);
 			D3D12_RECT rect = { 0, 0, mWidth, mHeight };
 
@@ -139,9 +139,12 @@ class directxProcess :public windowsApp
 		mWidth = width;
 		mHeight = height;
 		GetDeviceResources()->SetWindows(mHwnd,width,height);
-		mCamera.OnResize(mWidth, mHeight);
-		int x = 0;
-		x++;
+		if (mInit)
+		{
+			mCamera.OnResize(mWidth, mHeight);
+			mDeferredTech.InitWindowSizeDependentResources();
+		}
+
 	}
 
 	void KeyDown(UINT key)

DirectxHelper.cpp

@@ -160,7 +160,7 @@ void D3dDeviceManager::CreateWindowSizeDependentResources()
 			);
 	}
 
-
+	
 
 
 	// Create a render target view of the swap chain back buffer.

LightPassPS.hlsl

@@ -25,7 +25,8 @@ float4 specGloss = gSpecularGlossTexture[pIn.position.xy].xyzw;
 float3 col=GGXBRDF(normalize(gLightPos.xyz- vPositionWS.xyz), gLightPos, albedo ,normal,
 	normalize(gCamPos - vPositionWS), specGloss.xyz, specGloss.w);
 float d = length(gLightPos.xyz - vPositionWS.xyz);
-col = col*(1.0f / (1.0f + 0.01f*d + 0.001f*d));
+col = col*(1.0f / (1.0f + 0.1f*d + 0.01f*d));
+
 return float4(col,1.0f);