diff --git a/src/gl/renderer/gl_postprocess.cpp b/src/gl/renderer/gl_postprocess.cpp
index bd35fedd3..62815f718 100644
--- a/src/gl/renderer/gl_postprocess.cpp
+++ b/src/gl/renderer/gl_postprocess.cpp
@@ -112,11 +112,11 @@ CVAR(Float, gl_ssao_strength, 0.7, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 CVAR(Bool, gl_ssao_debug, false, 0)
 CVAR(Float, gl_ssao_bias, 0.5f, 0)
 CVAR(Float, gl_ssao_radius, 100.0f, 0)
-CUSTOM_CVAR(Float, gl_ssao_blur_amount, 6.0f, 0)
+CUSTOM_CVAR(Float, gl_ssao_blur_amount, 4.0f, 0)
 {
 	if (self < 0.1f) self = 0.1f;
 }
-CUSTOM_CVAR(Int, gl_ssao_blur_samples, 9, 0)
+CUSTOM_CVAR(Int, gl_ssao_blur_samples, 5, 0)
 {
 	if (self < 3 || self > 15 || self % 2 == 0)
 		self = 9;
@@ -165,8 +165,8 @@ void FGLRenderer::AmbientOccludeScene()
 	float aoStrength = gl_ssao_strength;
 
 	//float tanHalfFovy = tan(fovy * (M_PI / 360.0f));
-	float tanHalfFovy = 1.0f / 1.33333302f; //gl_RenderState.mProjectionMatrix.get()[5];
-	float invFocalLenX = tanHalfFovy * (mBuffers->AmbientWidth / (float)mBuffers->AmbientHeight);
+	float tanHalfFovy = 1.0f / 1.33333302f; // 1.0f / gl_RenderState.mProjectionMatrix.get()[5];
+	float invFocalLenX = tanHalfFovy * (mBuffers->GetSceneWidth() / (float)mBuffers->GetSceneHeight());
 	float invFocalLenY = tanHalfFovy;
 	float nDotVBias = clamp(bias, 0.0f, 1.0f);
 	float r2 = aoRadius * aoRadius;
diff --git a/src/gl/renderer/gl_renderbuffers.cpp b/src/gl/renderer/gl_renderbuffers.cpp
index e00d836bf..6da85bba7 100644
--- a/src/gl/renderer/gl_renderbuffers.cpp
+++ b/src/gl/renderer/gl_renderbuffers.cpp
@@ -332,8 +332,8 @@ void FGLRenderBuffers::CreateAmbientOcclusion(int width, int height)
 
 	AmbientWidth = width / 2;
 	AmbientHeight = height / 2;
-	AmbientTexture0 = Create2DTexture("AmbientTexture0", GetHdrFormat(), AmbientWidth, AmbientHeight);
-	AmbientTexture1 = Create2DTexture("AmbientTexture1", GetHdrFormat(), AmbientWidth, AmbientHeight);
+	AmbientTexture0 = Create2DTexture("AmbientTexture0", GL_RGBA32F, AmbientWidth, AmbientHeight);
+	AmbientTexture1 = Create2DTexture("AmbientTexture1", GL_RGBA32F, AmbientWidth, AmbientHeight);
 	AmbientFB0 = CreateFrameBuffer("AmbientFB0", AmbientTexture0);
 	AmbientFB1 = CreateFrameBuffer("AmbientFB1", AmbientTexture1);
 
@@ -388,6 +388,7 @@ GLuint FGLRenderBuffers::Create2DTexture(const FString &name, GLuint format, int
 	case GL_RGBA8:				dataformat = GL_RGBA; datatype = GL_UNSIGNED_BYTE; break;
 	case GL_RGBA16:				dataformat = GL_RGBA; datatype = GL_UNSIGNED_SHORT; break;
 	case GL_RGBA16F:			dataformat = GL_RGBA; datatype = GL_FLOAT; break;
+	case GL_RGBA32F:			dataformat = GL_RGBA; datatype = GL_FLOAT; break;
 	case GL_DEPTH_COMPONENT24:	dataformat = GL_DEPTH_COMPONENT; datatype = GL_FLOAT; break;
 	case GL_STENCIL_INDEX8:		dataformat = GL_STENCIL_INDEX; datatype = GL_INT; break;
 	case GL_DEPTH24_STENCIL8:	dataformat = GL_DEPTH_STENCIL; datatype = GL_UNSIGNED_INT_24_8; break;
diff --git a/src/gl/renderer/gl_renderbuffers.h b/src/gl/renderer/gl_renderbuffers.h
index 814fd9de8..5dc2e49bd 100644
--- a/src/gl/renderer/gl_renderbuffers.h
+++ b/src/gl/renderer/gl_renderbuffers.h
@@ -50,6 +50,9 @@ public:
 	int GetWidth() const { return mWidth; }
 	int GetHeight() const { return mHeight; }
 
+	int GetSceneWidth() const { return mSceneWidth; }
+	int GetSceneHeight() const { return mSceneHeight; }
+
 private:
 	void ClearScene();
 	void ClearPipeline();