From 6a1ae5fac8b34750eed4bf9335abd66227219b14 Mon Sep 17 00:00:00 2001
From: Brandon Mak <xenosas@hotmail.com>
Date: Mon, 20 Mar 2023 00:37:46 +0800
Subject: [PATCH] SSAO shader looks better on racoon now

It still looks a little off but its better than before
---
 Assets/Shaders/SSAO_CS.glsl                   |   2 +-
 Assets/Shaders/SSAO_CS.shshaderb              | Bin 6141 -> 6141 bytes
 .../MiddleEnd/Interface/SHGraphicsSystem.cpp  |   8 ++---
 .../MiddleEnd/PostProcessing/SHSSAO.cpp       |  33 +++++++++---------
 4 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/Assets/Shaders/SSAO_CS.glsl b/Assets/Shaders/SSAO_CS.glsl
index 42ab220c..7e818141 100644
--- a/Assets/Shaders/SSAO_CS.glsl
+++ b/Assets/Shaders/SSAO_CS.glsl
@@ -8,7 +8,7 @@ const int ROTATION_KERNEL_W = 4;
 const int ROTATION_KERNEL_H = 4;
 
 // can perhaps pass in as push constant.
-const float RADIUS = 0.2f;
+const float RADIUS = 0.35f;
 const float BIAS = 0.0025f;
 
 layout(local_size_x = 16, local_size_y = 16) in;
diff --git a/Assets/Shaders/SSAO_CS.shshaderb b/Assets/Shaders/SSAO_CS.shshaderb
index 36e627d6a0b8e6d8cca6f1d3a8ad43f81b987952..06438d5813d4d91106485135a01770dc3da1d9f3 100644
GIT binary patch
delta 16
YcmeyX|5ty*UUp_<<IS57u-gg%072&lumAu6

delta 16
YcmeyX|5ty*UUufQXM8pvV7C<j07!fXd;kCd

diff --git a/SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp b/SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp
index 1cbd359c..c1938f60 100644
--- a/SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp
+++ b/SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp
@@ -145,10 +145,10 @@ namespace SHADE
     //SHAssetManager::CompileAsset("../../Assets/Shaders/Trajectory_FS.glsl", false);
     //SHAssetManager::CompileAsset("../../Assets/Shaders/ShadowMapBlur_CS.glsl", false);
     //SHAssetManager::CompileAsset("../../Assets/Shaders/Anim_VS.glsl", false);
-    SHAssetManager::CompileAsset("../../Assets/Shaders/Particle_VS.glsl", false);
-    SHAssetManager::CompileAsset("../../Assets/Shaders/Particle_FS.glsl", false);
-    SHAssetManager::CompileAsset("../../Assets/Shaders/ParticleEmit_CS.glsl", false);
-    SHAssetManager::CompileAsset("../../Assets/Shaders/ParticleUpdate_CS.glsl", false);
+    //SHAssetManager::CompileAsset("../../Assets/Shaders/Particle_VS.glsl", false);
+    //SHAssetManager::CompileAsset("../../Assets/Shaders/Particle_FS.glsl", false);
+    //SHAssetManager::CompileAsset("../../Assets/Shaders/ParticleEmit_CS.glsl", false);
+    //SHAssetManager::CompileAsset("../../Assets/Shaders/ParticleUpdate_CS.glsl", false);
 
     // Load Built In Shaders
     static constexpr AssetID VS_DEFAULT         = 39210065;  defaultVertShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEFAULT);
diff --git a/SHADE_Engine/src/Graphics/MiddleEnd/PostProcessing/SHSSAO.cpp b/SHADE_Engine/src/Graphics/MiddleEnd/PostProcessing/SHSSAO.cpp
index db5b08c3..f71c3f93 100644
--- a/SHADE_Engine/src/Graphics/MiddleEnd/PostProcessing/SHSSAO.cpp
+++ b/SHADE_Engine/src/Graphics/MiddleEnd/PostProcessing/SHSSAO.cpp
@@ -19,15 +19,16 @@ namespace SHADE
     // generate samples
     for (uint32_t i = 0; i < NUM_SAMPLES; ++i)
     {
-      //SHVec3 temp
-      //{
-      //  distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
-      //  distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
-      //  distrib(generator),               //  0.0f - 1.0f so that sample space is a hemisphere
-      //};
+      SHVec3 temp
+      {
+        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+        distrib(generator),               //  0.0f - 1.0f so that sample space is a hemisphere
+      };
 
-      //temp = SHVec3::Normalise(temp);
-      //temp *= distrib(generator);
+      temp = SHVec3::Normalise(temp);
+      temp *= distrib(generator);
+      samples[i] = SHVec4 (temp.x, temp.y, temp.z, 0.0f);
 
       //// This makes sure that most points are closer to fragment's position
       //float scale = 1.0f / static_cast<float>(NUM_SAMPLES);
@@ -36,16 +37,16 @@ namespace SHADE
       //samples[i] = SHVec4 (temp.x, temp.y, temp.z, 0.0f);
 
 
-      samples[i] = SHVec4
-      {
-        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
-        distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
-        distrib(generator),               //  0.0f - 1.0f so that sample space is a hemisphere
-        0.0f
-      };
+      //samples[i] = SHVec4
+      //{
+      //  distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+      //  distrib(generator) * 2.0f - 1.0f, // -1.0f - 1.0f
+      //  distrib(generator),               //  0.0f - 1.0f so that sample space is a hemisphere
+      //  0.0f
+      //};
 
       // This makes sure that most points are closer to fragment's position
-      float scale = 1.0f / static_cast<float>(NUM_SAMPLES);
+      float scale = static_cast<float>(i) / static_cast<float>(NUM_SAMPLES);
       scale = std::lerp(0.1f, 1.0f, scale * scale);
       samples[i] *= scale;
     }