Borderlands 2 + The Pre-Sequel: Add dgVoodoo 2.81.3 support, runtime video AutoHDR, other improvements

Shaders/Borderlands 2 and The Pre-Sequel/Includes/GameCBuffers.hlsl

@@ -15,16 +15,18 @@ namespace CB
 // vanilla no-op. SMAA metrics are passed via a dedicated CB at b1, not here.
 struct LumaGameSettings
 {
-   float Exposure;          // 1 = vanilla. Scene exposure multiplier, scene-referred / pre-grade.
-   float Saturation;        // 1 = vanilla. Oklab saturation multiplier on the final HDR color.
-   float HighlightDechroma; // 0 = off (only the mandatory DICE/gamut desat applies); higher = bright sources fade to white sooner.
-   float BloomIntensity;    // 1 = vanilla. Scales the game's bloom contribution in the scene mix.
-   float Contrast;          // 1 = vanilla. Slope contrast around 18% mid-gray on the final HDR color.
-   float VignetteIntensity; // 1 = vanilla. Scales the game's vignette darkening (0 = no vignette).
-   float LumaBloomEnable;   // 0/1. 1 = composite Luma HDR pyramidal bloom (t5 BL2 / t8 TPS, additive); 0 = vanilla game bloom (t1).
-   float DOFRadius;         // Luma Gaussian DoF strength (half-res blur extent, full-res px @ 4K).
-   float DOFType;           // DoF path: 0 = vanilla game DoF, 2 = Luma separable Gaussian (t7 pre-blurred).
-   float Dithering;         // 0/1 toggle. Animated triangular dither at output (HDR only) to break gradient banding.
+   float Exposure;           // 1 = vanilla. Scene exposure multiplier, scene-referred / pre-grade.
+   float Saturation;         // 1 = vanilla. Oklab saturation multiplier on the final HDR color.
+   float HighlightDechroma;  // 0 = off (only the mandatory DICE/gamut desat applies); higher = bright sources fade to white sooner.
+   float BloomIntensity;     // 1 = vanilla. Scales the game's bloom contribution in the scene mix.
+   float Contrast;           // 1 = vanilla. Slope contrast around 18% mid-gray on the final HDR color.
+   float VignetteIntensity;  // 1 = vanilla. Scales the game's vignette darkening (0 = no vignette).
+   float LumaBloomEnable;    // 0/1. 1 = composite Luma HDR pyramidal bloom (t5 BL2 / t8 TPS, additive); 0 = vanilla game bloom (t1).
+   float DOFRadius;          // Luma Gaussian DoF strength (half-res blur extent, full-res px @ 4K).
+   float DOFType;            // DoF path: 0 = vanilla game DoF, 1 = Luma separable Gaussian (t7 pre-blurred).
+   float Dithering;          // 0/1 toggle. Animated triangular dither at output (HDR only) to break gradient banding.
+   float VideoAutoHDREnable; // 0/1. 1 = light PumboAutoHDR on Bink videos (HDR only); 0 = flat SDR at paper white.
+   float VideoAutoHDRBoost;  // 0..1. Highlight-expansion strength; peak = lerp(sRGB white, 250 nits, boost). 0 = off.
 };
 
 // Game specific cbuffer (instance/pass) data.

Shaders/Borderlands 2 and The Pre-Sequel/Luma_BL2TPS_Sharpen.hlsl

@@ -1,7 +1,8 @@
 // RCAS sharpening for the SMAA output.
-// Runs after the SMAA neighborhood-blend pass, on the linear scRGB color (DrawSMAA blends the linear copy),
-// before the result is copied back into the fp16 scRGB swapchain. paperWhite=1.0; the sharpness slider is the
-// tuning knob. RCAS_LIMIT bounds the lobe so HDR highlights don't over-sharpen.
+// Runs after the SMAA neighborhood-blend pass, on the gamma LDR color (the same gamma LDR SMAA consumed),
+// before the result is copied back into the LDR buffer (core Display Composition does paper-white + scRGB
+// downstream). paperWhite=1.0; the sharpness slider is the tuning knob. RCAS_LIMIT bounds the lobe so bright
+// pixels don't over-sharpen.
 
 #include "../Includes/RCAS.hlsl"
 
@@ -10,7 +11,7 @@ cbuffer SharpenCB : register(b0)
    float4 SharpenParams; // (width, height, sharpness[0..1], unused)
 }
 
-Texture2D<float4> tex0 : register(t0);    // SMAA output (linear scRGB)
+Texture2D<float4> tex0 : register(t0);    // SMAA output (gamma LDR)
 Texture2D<float2> dummyMV : register(t1); // unused (dynamicSharpening = false)
 
 float4 sharpen_ps(float4 pos : SV_Position) : SV_Target

Shaders/Borderlands 2 and The Pre-Sequel/Luma_Bloom_impl.hlsl

@@ -5,7 +5,7 @@
 //
 // Threshold = soft-knee quadratic (Bloom.hlsl default LUMA_BLOOM_THRESHOLD_FUNCTION). Source is linear scene
 // referred to paper white (1.0), so threshold 1.0 blooms above-paper-white highlights; soft knee 0.5 fades the
-// transition in (web best-practice — avoids hard popping on cel-shade ink edges). Karis firefly weighting is
+// transition in (avoids hard popping on cel-shade ink edges). Karis firefly weighting is
 // applied separately (DrawKarisAverage) before this, since BL2 has no TAA to hide sparkle.
 
 #include "../Includes/Color.hlsl" // GetLuminance, gamma helpers used by Bloom.hlsl

Shaders/Borderlands 2 and The Pre-Sequel/Luma_SMAA_impl.hlsl

@@ -23,7 +23,7 @@ cbuffer SmaaMetricsCB : register(b1)
 #define SMAA_PRESET_ULTRA
 #define SMAA_PREDICATION       1
 #define SMAA_PREDICATION_SCALE SmaaPredication.x
-// Predication tuned to ReShade-community best-practice + BL2's clean view-Z depth signal:
+// Predication tuned to BL2's clean view-Z depth signal:
 //  - flat threshold  = SCALE * SMAA_THRESHOLD            = 2.0 * 0.05      = 0.10 (recommended; rejects busy
 //    cel-shade texture color-noise so SMAA doesn't over-AA flat detail)
 //  - silhouette thr  = SCALE * SMAA_THRESHOLD * (1-STR)  = 2.0 * 0.05 *0.5 = 0.05 (= plain ULTRA base; predication

Shaders/Borderlands 2 and The Pre-Sequel/Tonemap_0x2079F1E8.ps_5_0.hlsl

@@ -0,0 +1,35 @@
+// Borderlands: The Pre-Sequel — tonemap / HDR injection point (dgVoodoo 2.81.3 -> ps_4_0, hash 0x2079F1E8).
+// Older dgVoodoo builds emit ps_4_0 -> a different CSO hash for the same DX9 shader. Identical I/O + slot map
+// (LightShaft@t1, +1 shift, Luma bloom -> t8) to the 2.87.3 TPS variant (0xFCFE623E), so it reuses the same
+// TPS slot macros over the shared grade impl.
+#define TM_HAS_LIGHTSHAFT 1
+#define TM_T_LIGHTSHAFT   t1 // LightShaftTexture (god rays) — TPS-only, inserted at slot 1
+#define TM_T_BLOOM        t2 // FilterColor1Texture (screen-blend bloom)
+#define TM_T_VIGNETTE     t3 // VignetteTexture
+#define TM_T_LUT          t4 // ColorGradingLUT (256x16, 16-slice)
+#define TM_T_DOF          t5 // LowResPostProcessBuffer (half-res DOF)
+#define TM_T_LUMABLOOM    t8 // injected Luma HDR bloom (t5 is the native DOF on TPS — bind higher to avoid the clash)
+#define TM_S_BLOOM        s2
+#define TM_S_VIGNETTE     s3
+#define TM_S_LUT          s4
+#define TM_S_DOF          s5
+#include "Luma_BL2TPS_Tonemap.hlsl"
+
+void main(
+    float4 v0 : SV_POSITION0,
+    float4 v1 : TEXCOORD8,
+    float4 v2 : COLOR0,
+    float4 v3 : COLOR1,
+    float4 v4 : TEXCOORD9,
+    float4 v5 : TEXCOORD0,
+    float4 v6 : TEXCOORD1,
+    float4 v7 : TEXCOORD2,
+    float4 v8 : TEXCOORD3,
+    float4 v9 : TEXCOORD4,
+    float4 v10 : TEXCOORD5,
+    float4 v11 : TEXCOORD6,
+    float4 v12 : TEXCOORD7,
+    out float4 o0 : SV_TARGET0)
+{
+   o0 = RunTonemap(v5, v6);
+}