FidelityFX FSR v1.0.2

Author: rys

docs/FidelityFX-FSR-Overview-Integration.pdf

@@ -747,12 +747,12 @@ AF1 sharpness){
   // Immediate constants for peak range.
   AF2 peakC=AF2(1.0,-1.0*4.0);
   // Limiters, these need to be high precision RCPs.
-  AF1 hitMinR=mn4R*ARcpF1(AF1_(4.0)*mx4R);
-  AF1 hitMinG=mn4G*ARcpF1(AF1_(4.0)*mx4G);
-  AF1 hitMinB=mn4B*ARcpF1(AF1_(4.0)*mx4B);
-  AF1 hitMaxR=(peakC.x-mx4R)*ARcpF1(AF1_(4.0)*mn4R+peakC.y);
-  AF1 hitMaxG=(peakC.x-mx4G)*ARcpF1(AF1_(4.0)*mn4G+peakC.y);
-  AF1 hitMaxB=(peakC.x-mx4B)*ARcpF1(AF1_(4.0)*mn4B+peakC.y);
+  AF1 hitMinR=min(mn4R,eR)*ARcpF1(AF1_(4.0)*mx4R);
+  AF1 hitMinG=min(mn4G,eG)*ARcpF1(AF1_(4.0)*mx4G);
+  AF1 hitMinB=min(mn4B,eB)*ARcpF1(AF1_(4.0)*mx4B);
+  AF1 hitMaxR=(peakC.x-max(mx4R,eR))*ARcpF1(AF1_(4.0)*mn4R+peakC.y);
+  AF1 hitMaxG=(peakC.x-max(mx4G,eG))*ARcpF1(AF1_(4.0)*mn4G+peakC.y);
+  AF1 hitMaxB=(peakC.x-max(mx4B,eB))*ARcpF1(AF1_(4.0)*mn4B+peakC.y);
   AF1 lobeR=max(-hitMinR,hitMaxR);
   AF1 lobeG=max(-hitMinG,hitMaxG);
   AF1 lobeB=max(-hitMinB,hitMaxB);
@@ -845,12 +845,12 @@ AF1 sharpness){
   // Immediate constants for peak range.
   AH2 peakC=AH2(1.0,-1.0*4.0);
   // Limiters, these need to be high precision RCPs.
-  AH1 hitMinR=mn4R*ARcpH1(AH1_(4.0)*mx4R);
-  AH1 hitMinG=mn4G*ARcpH1(AH1_(4.0)*mx4G);
-  AH1 hitMinB=mn4B*ARcpH1(AH1_(4.0)*mx4B);
-  AH1 hitMaxR=(peakC.x-mx4R)*ARcpH1(AH1_(4.0)*mn4R+peakC.y);
-  AH1 hitMaxG=(peakC.x-mx4G)*ARcpH1(AH1_(4.0)*mn4G+peakC.y);
-  AH1 hitMaxB=(peakC.x-mx4B)*ARcpH1(AH1_(4.0)*mn4B+peakC.y);
+  AH1 hitMinR=min(mn4R,eR)*ARcpH1(AH1_(4.0)*mx4R);
+  AH1 hitMinG=min(mn4G,eG)*ARcpH1(AH1_(4.0)*mx4G);
+  AH1 hitMinB=min(mn4B,eB)*ARcpH1(AH1_(4.0)*mx4B);
+  AH1 hitMaxR=(peakC.x-max(mx4R,eR))*ARcpH1(AH1_(4.0)*mn4R+peakC.y);
+  AH1 hitMaxG=(peakC.x-max(mx4G,eG))*ARcpH1(AH1_(4.0)*mn4G+peakC.y);
+  AH1 hitMaxB=(peakC.x-max(mx4B,eB))*ARcpH1(AH1_(4.0)*mn4B+peakC.y);
   AH1 lobeR=max(-hitMinR,hitMaxR);
   AH1 lobeG=max(-hitMinG,hitMaxG);
   AH1 lobeB=max(-hitMinB,hitMaxB);
@@ -963,12 +963,12 @@ AF1 sharpness){
   // Immediate constants for peak range.
   AH2 peakC=AH2(1.0,-1.0*4.0);
   // Limiters, these need to be high precision RCPs.
-  AH2 hitMinR=mn4R*ARcpH2(AH2_(4.0)*mx4R);
-  AH2 hitMinG=mn4G*ARcpH2(AH2_(4.0)*mx4G);
-  AH2 hitMinB=mn4B*ARcpH2(AH2_(4.0)*mx4B);
-  AH2 hitMaxR=(peakC.x-mx4R)*ARcpH2(AH2_(4.0)*mn4R+peakC.y);
-  AH2 hitMaxG=(peakC.x-mx4G)*ARcpH2(AH2_(4.0)*mn4G+peakC.y);
-  AH2 hitMaxB=(peakC.x-mx4B)*ARcpH2(AH2_(4.0)*mn4B+peakC.y);
+  AH2 hitMinR=min(mn4R,eR)*ARcpH2(AH2_(4.0)*mx4R);
+  AH2 hitMinG=min(mn4G,eG)*ARcpH2(AH2_(4.0)*mx4G);
+  AH2 hitMinB=min(mn4B,eB)*ARcpH2(AH2_(4.0)*mx4B);
+  AH2 hitMaxR=(peakC.x-max(mx4R,eR))*ARcpH2(AH2_(4.0)*mn4R+peakC.y);
+  AH2 hitMaxG=(peakC.x-max(mx4G,eG))*ARcpH2(AH2_(4.0)*mn4G+peakC.y);
+  AH2 hitMaxB=(peakC.x-max(mx4B,eB))*ARcpH2(AH2_(4.0)*mn4B+peakC.y);
   AH2 lobeR=max(-hitMinR,hitMaxR);
   AH2 lobeG=max(-hitMinG,hitMaxG);
   AH2 lobeB=max(-hitMinB,hitMaxB);

ffx-fsr/ffx_fsr1.h

@@ -39,8 +39,10 @@ To build the FSR sample, please follow the following instructions:
 1) Install the following tools:
 
 - [CMake 3.16](https://cmake.org/download/)
+- Install the "Desktop Development with C++" workload
 - [Visual Studio 2019](https://visualstudio.microsoft.com/downloads/)
 - [Windows 10 SDK 10.0.18362.0](https://developer.microsoft.com/en-us/windows/downloads/windows-10-sdk)
+- [Git 2.32.0](https://git-scm.com/downloads)
 
 2) Generate the solutions:
     ```

readme.md

@@ -31,9 +31,9 @@ FSRSample::FSRSample(LPCSTR name) : FrameworkWindows(name)
     m_bPlay = true;
 
     m_pGltfLoader = NULL;
-    mipBias[0] = -0.3f;
-    mipBias[1] = -0.5f;
-    mipBias[2] = -0.7f;
+    mipBias[0] = -0.38f;
+    mipBias[1] = -0.585f;
+    mipBias[2] = -0.75f;
     mipBias[3] = -1.0f;
     mipBias[4] = 0.0f;
 }
@@ -692,7 +692,7 @@ void FSRSample::BuildUI()
                 m_swapChain.SetVSync(m_VsyncEnabled);
             ImGui::Spacing();
             ImGui::Spacing();
-            const char* fullscreenModes[] = { "Windowed", "BorderlessFullscreen", "ExclusiveFulscreen" };
+            const char* fullscreenModes[] = { "Windowed", "BorderlessFullscreen", "ExclusiveFullscreen" };
             if (ImGui::Combo("Fullscreen Mode", (int*)&m_fullscreenMode, fullscreenModes, _countof(fullscreenModes)))
             {
                 if (m_previousFullscreenMode != m_fullscreenMode)
@@ -917,7 +917,7 @@ int WINAPI WinMain(HINSTANCE hInstance,
     LPSTR lpCmdLine,
     int nCmdShow)
 {
-    LPCSTR Name = "FidelityFX Super Resolution 1.0";
+    LPCSTR Name = "FidelityFX Super Resolution 1.0.2";
 
     // create new DX sample
     return RunFramework(hInstance, lpCmdLine, nCmdShow, new FSRSample(Name));

sample/src/DX12/FSRSample.cpp

@@ -30,9 +30,9 @@ FSRSample::FSRSample(LPCSTR name) : FrameworkWindows(name)
     m_bPlay = true;
 
     m_pGltfLoader = NULL;
-    mipBias[0] = -0.3f;
-    mipBias[1] = -0.5f;
-    mipBias[2] = -0.7f;
+    mipBias[0] = -0.38f;
+    mipBias[1] = -0.585f;
+    mipBias[2] = -0.75f;
     mipBias[3] = -1.0f;
     mipBias[4] = 0.0f;
 }
@@ -718,7 +718,7 @@ void FSRSample::BuildUI()
             }
             ImGui::Spacing();
             ImGui::Spacing();
-            const char* fullscreenModes[] = { "Windowed", "BorderlessFullscreen", "ExclusiveFulscreen" };
+            const char* fullscreenModes[] = { "Windowed", "BorderlessFullscreen", "ExclusiveFullscreen" };
             if (ImGui::Combo("Fullscreen Mode", (int*)&m_fullscreenMode, fullscreenModes, _countof(fullscreenModes)))
             {
                 if (m_previousFullscreenMode != m_fullscreenMode)
@@ -945,7 +945,7 @@ int WINAPI WinMain(HINSTANCE hInstance,
     LPSTR lpCmdLine,
     int nCmdShow)
 {
-    LPCSTR Name = "FidelityFX Super Resolution 1.0";
+    LPCSTR Name = "FidelityFX Super Resolution 1.0.2";
 
     // create new Vulkan sample
     return RunFramework(hInstance, lpCmdLine, nCmdShow, new FSRSample(Name));

sample/src/VK/FSRSample.cpp

@@ -62,7 +62,7 @@
 	#endif
 	#if SAMPLE_RCAS
 		#define FSR_RCAS_H
-		AH4 FsrRcasLoadH(ASW2 p) { return InputTexture.Load(ASW3(ASW2(p), 0)); }
+		AH4 FsrRcasLoadH(ASW2 p) { return (AH4)InputTexture.Load(ASW3(ASW2(p), 0)); }
 		void FsrRcasInputH(inout AH1 r,inout AH1 g,inout AH1 b){}
 	#endif
 #endif