From c5c51f2af2430ec87380f2a7fe794af9c58adf20 Mon Sep 17 00:00:00 2001
From: samcake <samuel.gateau@gmail.com>
Date: Tue, 19 Jan 2016 18:57:03 -0800
Subject: [PATCH] Make sure the resolution level for ao is correct

---
 libraries/render-utils/src/AmbientOcclusionEffect.cpp | 2 +-
 libraries/render-utils/src/AmbientOcclusionEffect.h   | 2 +-
 libraries/render-utils/src/FramebufferCache.h         | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libraries/render-utils/src/AmbientOcclusionEffect.cpp b/libraries/render-utils/src/AmbientOcclusionEffect.cpp
index 1558c99585..bbe0485760 100644
--- a/libraries/render-utils/src/AmbientOcclusionEffect.cpp
+++ b/libraries/render-utils/src/AmbientOcclusionEffect.cpp
@@ -227,7 +227,7 @@ void AmbientOcclusionEffect::setRadius(float radius) {
         auto& current = _parametersBuffer.edit<Parameters>()._radiusInfo;
         current.x = radius;
         current.y = radius * radius;
-        current.z = 1.0f / pow(radius, 6.0);
+        current.z = 1.0f / pow((double)radius, 6.0);
     }
 }
 
diff --git a/libraries/render-utils/src/AmbientOcclusionEffect.h b/libraries/render-utils/src/AmbientOcclusionEffect.h
index 4919d89b04..e80c5b0136 100644
--- a/libraries/render-utils/src/AmbientOcclusionEffect.h
+++ b/libraries/render-utils/src/AmbientOcclusionEffect.h
@@ -91,7 +91,7 @@ private:
     class Parameters {
     public:
         // Resolution info
-        glm::vec4 _resolutionInfo{ 1.0, 1.0, 1.0, 1.0 };
+        glm::vec4 _resolutionInfo{ -1.0, 0.0, 0.0, 0.0 };
         // radius info is { R, R^2, 1 / R^6, ObscuranceScale}
         glm::vec4 _radiusInfo{ 0.5, 0.5 * 0.5, 1.0 / (0.25 * 0.25 * 0.25), 1.0 };
         // Dithering info
diff --git a/libraries/render-utils/src/FramebufferCache.h b/libraries/render-utils/src/FramebufferCache.h
index cf126b20b1..7c7c309572 100644
--- a/libraries/render-utils/src/FramebufferCache.h
+++ b/libraries/render-utils/src/FramebufferCache.h
@@ -103,7 +103,7 @@ private:
     gpu::TexturePointer _occlusionBlurredTexture;
 
     QSize _frameBufferSize{ 100, 100 };
-    int _AOResolutionLevel = 0;
+    int _AOResolutionLevel = 1; // AO perform at half res
 
     // Resize/reallocate the buffers used for AO
     // the size of the AO buffers is scaled by the AOResolutionScale;