Have fix the resizing errors

SSAO

include/Engine/Rendering/SSAOPass.h

@@ -14,11 +14,14 @@ class SSAOPass
 {
 public:
 	SSAOPass(IRenderer* rendere);
-	~SSAOPass() { };
+	~SSAOPass() { 
+		delete m_DrawBloomPass;
+	};
 
 	void Draw(GLuint depthBuffer, Camera* camera);
 	void Setting(float radius, float bias, float contrast, float intensityScale, int numOfSamples, int NumOfTurns);
 	void ClearBuffer();
+	void OnWindowResize();
 
 	//Return the SSAO of the texture sent to Draw
 	GLuint SSAOTexture() const { return m_DrawBloomPass->GaussianTexture(); }
@@ -29,14 +32,15 @@ private:
 	void InitializeShaderProgram();
 	void InitializeBuffer();
 
-	void ComputeAO(GLuint depthBuffer, Camera* camera);
+	void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
+
 	//void blurHorizontal(GLuint depthBuffer);
 	//void blurVertical(GLuint depthBuffer);
 
 	Model* m_ScreenQuad;
 
 	const IRenderer* m_Renderer;
-	static const GLint MAX_MIP_LEVEL = 5;
+
 	float m_Radius;
 	float m_Bias;
 	float m_Contrast;

resources/Shaders/SSAO.frag.glsl

@@ -1,15 +1,12 @@
 #version 430
 
-#define MIP_MAPS_LEVELS (3)
-
-#define MAX_PIXEL_BEFOR_LOWER_MIP_LEVEL (3)
 //Number of samples per pixel
 uniform int           uNumOfSamples;
-//#define uNumOfSamples (11)
+//#define NUM_SAMPLES (11)
 
 //Number of turns around the cirle
 uniform int           uNumOfTurns;
-//#define uNumOfTurns (7)
+//#define NUM_TURNS (7)
 
 layout (binding = 0) uniform sampler2D ViewSpaceZ;
 
@@ -45,41 +42,42 @@ vec3 getVSFaceNormal(vec3 ViewSpacePosition) {
 
 
 vec3 getSampleViewSpacePos(ivec2 ScreenSpaceCoord, int SampleIndex, float RotationAngle, float ScreenSpaceSampleRadius){
-	// SampleIndex + 0.5f so that we alpha != 0, since if alpha = 0 then screenSpaceSampleTexel will be the same texel as origin. 
-	float alpha = float(SampleIndex + 0.5f) * (1.0f / uNumOfSamples);
+	// Pure Magic...
+	float alpha = float(SampleIndex) * (1.0 / uNumOfSamples);
 
 	// Angle to where to sample
-    float angle = alpha * (uNumOfTurns * 6.28f) + RotationAngle;
+    float angle = alpha * (uNumOfTurns * 6.28) + RotationAngle;
 
 	//Lenght to were to sample
     ScreenSpaceSampleRadius = ScreenSpaceSampleRadius * alpha;
 
     vec2 screenSpaceSampleOffsetVecor = vec2(cos(angle), sin(angle));
 
-    //int mipmapLevel = clamp(int(floor(log2(-ScreenSpaceSampleRadius))) - MAX_PIXEL_BEFOR_LOWER_MIP_LEVEL, 0, MIP_MAPS_LEVELS);
-
     // Get texel coordinate on where to sample by going screenSpaceSampleOffsetVecor direction in ScreenSpaceSampleRadius units from ScreenSpaceCoord (the point being shaded);
-    ivec2 screenSpaceSampleTexel = (ivec2(ScreenSpaceSampleRadius * screenSpaceSampleOffsetVecor) + ScreenSpaceCoord);// >> mipmapLevel;
+    ivec2 screenSpaceSampleTexel = ivec2(ScreenSpaceSampleRadius * screenSpaceSampleOffsetVecor) + ScreenSpaceCoord;
 
     return getVSPosition(screenSpaceSampleTexel);
 }
 
 
 
-float sampleAO(ivec2 ScreenSpaceCoord, vec3 Origin, vec3 OriginNormal, float ScreenSpaceSampleRadius, int SampleIndex, float RotationAngle, float Radius, float Radius2) {
+float sampleAO(ivec2 ScreenSpaceCoord, vec3 Origin, vec3 OriginNormal, float ScreenSpaceSampleRadius, int SampleIndex, float RotationAngle, float Radius) {
+	float radius2 = Radius * Radius;
 	vec3 sampleViewSpacePosition = getSampleViewSpacePos(ScreenSpaceCoord, SampleIndex, RotationAngle, ScreenSpaceSampleRadius);
+
 	vec3 sampleVector = Origin - sampleViewSpacePosition;
+
 	// vv = sampleVectorLenght ^ 2
 	float vv = dot(sampleVector, sampleVector);
 	// vn = angle between sampleVector and Normal
 	float vn = dot(sampleVector, OriginNormal);
 
-	const float epsilon = 0.01f;
+	const float epsilon = 0.0001f;
 
 	// vv < radius2 if the vector is shorter then the radius;
 	// vn - bias, offset the angle to reduse self occlusion. 
 	// epsilon is here to make divison by 0 impossible.
-	return float(vv < Radius2) * max((vn - uBias) / (epsilon + vv), 0.0);
+	return float(vv < radius2) * max((vn - uBias) / (epsilon + vv), 0.0);
 	//float f = max(radius2 - vv, 0.0); 
 	//return f * f * f * max((vn - uBias) / (epsilon + vv), 0.0);
 }
@@ -88,11 +86,9 @@ float sampleAO(ivec2 ScreenSpaceCoord, vec3 Origin, vec3 OriginNormal, float Scr
 void main() {
 	ivec2 originScreenCoord = ivec2(gl_FragCoord.xy);
 
-	// We always get the Orginin from the level 0 of the mipmaps
 	vec3 origin = getVSPosition(originScreenCoord);
 
 	float radius;
-
 	if(origin.z < uRadius){
 		radius = origin.z;
 	} else {
@@ -100,24 +96,19 @@ void main() {
 	}
 
 
-	float radius2 = radius * radius;
-
 	vec3 originNormal = getVSFaceNormal(origin);
 
-	//screenSpaceSampleRadius is in pixels
 	float screenSpaceSampleRadius = -uProjScale * radius / origin.z;
-	//screenSpaceSampleRadius = clamp(screenSpaceSampleRadius, 0.0f, -uProjScale * radius);
 
 	float rotationAngleOffset = 30 * originScreenCoord.x ^ originScreenCoord.y + 10 * originScreenCoord.x * originScreenCoord.y;
 
-	float sum = 0.0f;
-    for(int i = 0; i < uNumOfSamples; i++) {
-        sum += sampleAO(originScreenCoord, origin, originNormal, screenSpaceSampleRadius, i, rotationAngleOffset, radius, radius2);
+	float sum = 0.0;
+    for (int i = 0; i < uNumOfSamples; i++) {
+        sum += sampleAO(originScreenCoord, origin, originNormal, screenSpaceSampleRadius, i, rotationAngleOffset, radius);
     }
 
     //float A = max(0.0, 1.0 - sum * (2.0f / uNumOfSamples));
-    float A = 1.0f - sum * (2.0f * uIntensityScale / float(uNumOfSamples));
+    float A = 1.0 - sum * (2.0f * uIntensityScale / float(uNumOfSamples));
     AO = clamp(pow(A, uContrast), 0.0f, 1.0f);
-    //AO = screenSpaceSampleRadius;
 	//AO = vec4(originNormal, 1.0f);
 }

resources/Shaders/SSAOMipMappedZ.frag.glsl

@@ -1,123 +0,0 @@
-#version 430
-
-#define MIP_MAPS_LEVELS (5)
-
-#define LOWER_MIP_LEVEL (2)
-//Number of samples per pixel
-uniform int           uNumOfSamples;
-//#define uNumOfSamples (11)
-
-//Number of turns around the cirle
-uniform int           uNumOfTurns;
-//#define uNumOfTurns (7)
-
-layout (binding = 0) uniform sampler2D ViewSpaceZ;
-
-uniform vec4 uProjInfo;
-
-uniform float           uProjScale;
-//#define ProjScale 500
-
-uniform float           uRadius;
-//#define Radius 1.0f
-
-uniform float           uBias;
-//#define Bias 0.012f
-
-uniform float           uContrast;
-//#define IntensityDivR6 1
-
-uniform float           uIntensityScale;
-
-out float				AO;
-
-vec3 getVSPosition(ivec2 ScreenSpaceCoord, int mipmaplevel) {
-    float z = texelFetch(ViewSpaceZ, ScreenSpaceCoord, mipmaplevel).r;
-    //Get the xy view space coordinates and add the z value from ViewSpaceZ buffer.
-    return vec3((uProjInfo[0] + (ScreenSpaceCoord.x * uProjInfo[1])) * z, (uProjInfo[2] + (ScreenSpaceCoord.y * uProjInfo[3])) * z, z);
-}
-
-vec3 getVSFaceNormal(vec3 ViewSpacePosition) {
-	// Get tangets vector for the plane and ViewSpacePositin... don't ask how this functions works. It's pure magic. 
-	// They do this and it just works... I would guess that they approximate the function of a plane from pixels close to the pixel were on now.
-	return normalize(cross(dFdx(ViewSpacePosition), dFdy(ViewSpacePosition)));
-}
-
-
-vec3 getSampleViewSpacePos(ivec2 ScreenSpaceCoord, int SampleIndex, float RotationAngle, float ScreenSpaceSampleRadius){
-	// SampleIndex + 0.5f so that we alpha != 0, since if alpha = 0 then screenSpaceSampleTexel will be the same texel as origin. 
-	float alpha = float(SampleIndex + 0.5f) * (1.0f / uNumOfSamples);
-
-	// Angle to where to sample
-    float angle = alpha * (uNumOfTurns * 6.28f) + RotationAngle;
-
-	//Lenght to were to sample
-    ScreenSpaceSampleRadius = ScreenSpaceSampleRadius * alpha;
-
-    vec2 screenSpaceSampleOffsetVecor = vec2(cos(angle), sin(angle));
-
-    int mipmapLevel = clamp(int(floor(log2(-ScreenSpaceSampleRadius))) - LOWER_MIP_LEVEL, 0, MIP_MAPS_LEVELS);
-    // Get texel coordinate on where to sample by going screenSpaceSampleOffsetVecor direction in ScreenSpaceSampleRadius units from ScreenSpaceCoord (the point being shaded);
-    ivec2 screenSpaceSampleTexel = (ivec2(ScreenSpaceSampleRadius * screenSpaceSampleOffsetVecor) + ScreenSpaceCoord) >> mipmapLevel;
-
-    return getVSPosition(screenSpaceSampleTexel, mipmapLevel);
-}
-
-
-
-float sampleAO(ivec2 ScreenSpaceCoord, vec3 Origin, vec3 OriginNormal, float ScreenSpaceSampleRadius, int SampleIndex, float RotationAngle, float Radius, float Radius2) {
-	vec3 sampleViewSpacePosition = getSampleViewSpacePos(ScreenSpaceCoord, SampleIndex, RotationAngle, ScreenSpaceSampleRadius);
-	vec3 sampleVector = Origin - sampleViewSpacePosition;
-	// vv = sampleVectorLenght ^ 2
-	float vv = dot(sampleVector, sampleVector);
-	// vn = angle between sampleVector and Normal
-	float vn = dot(sampleVector, OriginNormal);
-
-	const float epsilon = 0.01f;
-
-	// vv < radius2 if the vector is shorter then the radius;
-	// vn - bias, offset the angle to reduse self occlusion. 
-	// epsilon is here to make divison by 0 impossible.
-	return float(vv < Radius2) * max((vn - uBias) / (epsilon + vv), 0.0);
-}
-
-
-void main() {
-	ivec2 originScreenCoord = ivec2(gl_FragCoord.xy);
-
-	// We always get the Orginin from the level 0 of the mipmaps
-	vec3 origin = getVSPosition(originScreenCoord, 0);
-
-	float radius;
-
-	if(origin.z < uRadius){
-		radius = origin.z;
-	} else {
-		radius = uRadius;
-	}
-
-	float radius2 = radius * radius;
-
-	vec3 originNormal = getVSFaceNormal(origin);
-	//AO = originNormal;
-	//return;
-
-	//screenSpaceSampleRadius is in pixels
-	float screenSpaceSampleRadius = -uProjScale * radius / origin.z;
-
-	//screenSpaceSampleRadius = clamp(screenSpaceSampleRadius, 0.0f, pow(2, MIP_MAPS_LEVELS * LOWER_MIP_LEVEL + 1));
-	//AO = clamp(int(floor(log2(screenSpaceSampleRadius))) - LOWER_MIP_LEVEL, 0, MIP_MAPS_LEVELS);
-	//return;
-
-	float rotationAngleOffset = 30 * originScreenCoord.x ^ originScreenCoord.y + 10 * originScreenCoord.x * originScreenCoord.y;
-
-	float sum = 0.0f;
-    for(int i = 0; i < uNumOfSamples; i++) {
-        sum += sampleAO(originScreenCoord, origin, originNormal, screenSpaceSampleRadius, i, rotationAngleOffset, radius, radius2);
-    }
-
-    //float A = max(0.0, 1.0 - sum * (2.0f / uNumOfSamples));
-    float A = 1.0f - sum * (2.0f * uIntensityScale / float(uNumOfSamples));
-    AO = clamp(pow(A, uContrast), 0.0f, 1.0f);
-	//AO = vec4(originNormal, 1.0f);
-}

src/Engine/Rendering/PickingPass.cpp

@@ -21,23 +21,13 @@ void PickingPass::InitializeTextures()
 {
     GenerateTexture(&m_PickingTexture, GL_CLAMP_TO_BORDER, GL_LINEAR,
         glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RG8, GL_RG, GL_UNSIGNED_BYTE);
+
+	GenerateTexture(&m_DepthBuffer, GL_CLAMP_TO_BORDER, GL_NEAREST,
+		glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8);
 }
 
 void PickingPass::InitializeFrameBuffers()
 {
-   /* glGenRenderbuffers(1, &m_DepthBuffer);
-    glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
-    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);*/
-
-	glGenTextures(1, &m_DepthBuffer);
-
-	glBindTexture(GL_TEXTURE_2D, m_DepthBuffer);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, (int)(m_Renderer->GetViewportSize().Width), (int)(m_Renderer->GetViewportSize().Height), 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
-
     m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_DepthBuffer, GL_DEPTH_ATTACHMENT)));
     m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_PickingTexture, GL_COLOR_ATTACHMENT0)));
     m_PickingBuffer.Generate();
@@ -382,8 +372,6 @@ void PickingPass::ClearPicking()
 void PickingPass::OnWindowResize()
 {
     InitializeTextures();
-    glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
-    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
     m_PickingBuffer.Generate();
 }
 

src/Engine/Rendering/Renderer.cpp

@@ -30,6 +30,7 @@ void Renderer::glfwFrameBufferCallback(GLFWwindow* window, int width, int height
     currentRenderer->m_LightCullingPass->OnWindowResize();
     currentRenderer->m_PickingPass->OnWindowResize();
     currentRenderer->m_DrawBloomPass->OnWindowResize();
+	currentRenderer->m_SSAOPass->OnWindowResize();
 }
 
 void Renderer::InitializeWindow()
@@ -126,6 +127,7 @@ void Renderer::Draw(RenderFrame& frame)
     m_PickingPass->ClearPicking();
     m_DrawFinalPass->ClearBuffer();
     m_DrawBloomPass->ClearBuffer();
+	m_SSAOPass->ClearBuffer();
     PerformanceTimer::StopTimer("Renderer-ClearBuffers");
 	for (auto scene : frame.RenderScenes) {
 		PerformanceTimer::StartTimer("Renderer-Depth");

src/Engine/Rendering/SSAOPass.cpp

@@ -6,6 +6,7 @@ SSAOPass::SSAOPass(IRenderer* renderer)
 
 	m_ScreenQuad = ResourceManager::Load<Model>("Models/Core/ScreenQuad.mesh");
 
+	InitializeTexture();
 	InitializeBuffer();
 	InitializeShaderProgram();
 	Setting(0.1f, 0.012f, 1.0f, 1.0f, 13, 7);
@@ -28,34 +29,16 @@ void SSAOPass::InitializeShaderProgram()
 	m_SSAOViewSpaceZProgram->Link();
 }
 
+void SSAOPass::InitializeTexture() {
+	GenerateTexture(&m_SSAOTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R8, GL_RED, GL_FLOAT);
+	GenerateTexture(&m_SSAOViewSpaceZTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R32F, GL_RED, GL_FLOAT);
+}
 
 void SSAOPass::InitializeBuffer()
 {
-	glGenTextures(1, &m_SSAOTexture);
-	glBindTexture(GL_TEXTURE_2D, m_SSAOTexture);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height, 0, GL_RED, GL_FLOAT, nullptr);
-	//glTexImage2D(GL_TEXTURE_2D, 0, GL_R32I, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height, 0, GL_RED_INTEGER, GL_INT, nullptr);
-	//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB32F, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height, 0, GL_RGB, GL_FLOAT, nullptr);
-
 	m_SSAOFramBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SSAOTexture, GL_COLOR_ATTACHMENT0)));
 	m_SSAOFramBuffer.Generate();
 
-	glGenTextures(1, &m_SSAOViewSpaceZTexture);
-	glBindTexture(GL_TEXTURE_2D, m_SSAOViewSpaceZTexture);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height, 0, GL_RED, GL_FLOAT, nullptr);
-	//glTexStorage2D(GL_TEXTURE_2D, MAX_MIP_LEVEL, GL_R32F, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);;
-	//glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height, GL_RED, GL_FLOAT, nullptr);
-	//glGenerateMipmap(GL_TEXTURE_2D);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	//glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
-
 	m_SSAOViewSpaceZFramBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SSAOViewSpaceZTexture, GL_COLOR_ATTACHMENT0)));
 	m_SSAOViewSpaceZFramBuffer.Generate();
 }
@@ -82,6 +65,17 @@ void SSAOPass::Setting(float radius, float bias, float contrast, float intensity
 	m_NumOfTurns = NumOfTurns;
 }
 
+void SSAOPass::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const
+{
+	glGenTextures(1, texture);
+	glBindTexture(GL_TEXTURE_2D, *texture);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapping);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapping);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filtering);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filtering);
+	glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, dimensions.x, dimensions.y, 0, format, type, nullptr);
+	GLERROR("Texture initialization failed");
+}
 
 void SSAOPass::Draw(GLuint depthBuffer, Camera* camera)
 {
@@ -118,11 +112,6 @@ void SSAOPass::Draw(GLuint depthBuffer, Camera* camera)
 		(-2.0 / (m_Renderer->GetViewportSize().Height * camera->ProjectionMatrix()[1][1]))
 		);
 
-	m_SSAOViewSpaceZFramBuffer.Unbind();
-
-	//glBindTexture(GL_TEXTURE_2D, m_SSAOViewSpaceZTexture);
-	//glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height, GL_RED, GL_FLOAT, &m_SSAOViewSpaceZTexture);
-	//glGenerateMipmap(GL_TEXTURE_2D); 
 
 	m_SSAOFramBuffer.Bind();
 	m_SSAOProgram->Bind();
@@ -131,7 +120,7 @@ void SSAOPass::Draw(GLuint depthBuffer, Camera* camera)
 	glBindTexture(GL_TEXTURE_2D, m_SSAOViewSpaceZTexture);
 
 	// How many pixel there are in a 1m long object 1m away from the camera
-	glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uProjScale"), m_Renderer->GetViewportSize().Height / (-2.0f * glm::tan(glm::radians(camera->FOV()) * 0.5f)));
+	glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uProjScale"), m_Renderer->GetViewportSize().Height / (-2.0f * glm::tan(camera->FOV() * 0.5f)));
 
 	glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uRadius"), m_Radius);
 	glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uBias"), m_Bias);
@@ -147,3 +136,10 @@ void SSAOPass::Draw(GLuint depthBuffer, Camera* camera)
 	m_DrawBloomPass->ClearBuffer();
 	m_DrawBloomPass->Draw(m_SSAOTexture);
 }
+
+void SSAOPass::OnWindowResize() {
+	m_DrawBloomPass->OnWindowResize();
+	InitializeTexture();
+	m_SSAOFramBuffer.Generate();
+	m_SSAOViewSpaceZFramBuffer.Generate();
+}