Add RenoDX DLSS5 Addon for OpenGL Reshade

2026-09-02 22:07:05 +02:00
parent fc30dc8aaa
commit c105e73c74
21 changed files with 4990 additions and 0 deletions
@@ -0,0 +1,94 @@
+/*
+        ========================================================================
+        Copyright (c) Afzaal. All rights reserved.
+
+    	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND
+    	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+    	IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+    	CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+    	TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+    	SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+        ========================================================================
+
+        GitHub     : https://github.com/umar-afzaal/LumeniteFX
+        Discord    : https://discord.gg/deXJrW2dx6
+
+
+        Filename   : lumenite_Helpers.fxh
+        Version    : 2026.05.30
+        Author     : Afzaal (Kaidō)
+        Description: Helper functions for Lumenite shaders.
+        License    : AGNYA License (https://github.com/nvb-uy/AGNYA-License)
+
+        ========================================================================
+*/
+
+#pragma once
+
+#include "ReShade.fxh"
+
+/*------------------.
+| :: DEFINITIONS :: |
+'------------------*/
+#define PI 3.14159265359
+#define EPSILON 1e-6
+//R2 sequence constants
+static const float PHI_2 = 1.324717957244746;
+static const float2 R2_CONSTANT = float2(1.0/PHI_2, 1.0/(PHI_2*PHI_2));
+
+/*--------------.
+| :: UNIFORMS ::|
+'--------------*/
+uniform float  TIMER       < source = "timer"; >; //ms since launch
+uniform float  FRAME_TIME  < source = "frametime"; >; //ms last frame
+uniform uint   FRAME_COUNT < source = "framecount"; >;
+uniform float2 MOUSE_POS   < source = "mousepoint";  >;  //in screen px
+uniform bool   MOUSE_DOWN  < source = "mousebutton"; min = 0; max = 0; >;
+
+/*--------------.
+| :: HELPERS :: |
+'--------------*/
+bool CheckerboardSkip(uint2 currentPos, float scale)
+{
+    //map current buffer pixel to full screen pixel.
+    //floor() to ensure we snap to the integer grid of the full screen
+    uint2 fullScreenPos = uint2(floor(currentPos.x * scale), floor(currentPos.y * scale));
+    return (((fullScreenPos.x + fullScreenPos.y + (FRAME_COUNT & 1)) & 1) == 1);
+}
+
+float GetDepth(float2 uv)
+{
+	return ReShade::GetLinearizedDepth(uv);
+}
+
+bool IsOOB(float2 uv) {
+    return any(uv < 0.0) || any(uv > 1.0);
+}
+
+//QUASI-MONTE CARLO SEQUENCE
+//fast Hilbert curve math (a 1D index from 2D coords)
+uint HilbertIndex(uint x, uint y) {
+    uint index = 0;
+    [unroll] for (uint s = 64 / 2; s > 0; s /= 2) {
+        uint rx = (x & s) > 0;
+        uint ry = (y & s) > 0;
+        index += s * s * ((3 * rx) ^ ry);
+        if (ry == 0) {
+            if (rx == 1) {
+                x = 64 - 1 - x;
+                y = 64 - 1 - y;
+            }
+            uint t = x; x = y; y = t;
+        }
+    }
+    return index;
+}
+
+float2 GetStratifiedNoise(float2 vpos) {
+    uint2 screenPos = uint2(vpos.xy) % 64; //64x64 tiled pixel coords
+    uint hIndex = HilbertIndex(screenPos.x, screenPos.y); //Hilbert index (spatial)
+    uint totalIndex = hIndex + (uint(FRAME_COUNT % 64) * 288); //temporal offset: 288 (same as Intel XeGTAO implementation)
+    return frac(float(totalIndex) * R2_CONSTANT);
+}