反射选项添加

shaders/lang/zh_CN.lang

@@ -228,10 +228,22 @@ suffix.sunPathRotation=°
 option.PCSS_SEARCH_SAMPLES=PCSS检索采样数
 option.PCSS_FILTER_SAMPLES=PCSS过滤采样数
 option.COLORED_SHADOWS=彩色阴影
+option.SHADOW_SOFT_TYPE=阴影过滤
+value.SHADOW_SOFT_TYPE.0=不过滤
+value.SHADOW_SOFT_TYPE.1=PCF过滤（较慢）
+value.SHADOW_SOFT_TYPE.2=PCSS过滤（慢）
+option.PCF_SOFT_RADIUS=PCF模糊半径
+option.SHADOW_BIAS_STRENGTH=阴影偏移
+option.SHADOW_BIAS_STRENGTH.comment=如果表面出现阴影错误请提高此数值
+option.SHADOW_CONTRAST_STRENGTH=PCF的次表面散射补偿
+
+
+
+
 
 option.SHADOW_BACKFACE_CULLING=阴影背面剔除
 option.SHADOW_DISTORTION_STRENGTH=阴影形变强度
-
+option.SHADOW_DISTORTION=阴影扭曲开关
 option.SCREEN_SPACE_SHADOWS=屏幕空间阴影
 option.SCREEN_SPACE_SHADOWS_SAMPLES=屏幕空间阴影采样数
 
@@ -307,8 +319,8 @@ option.SUBSURFACE_SCATTERING_STRENGTH=次表面散射强度
 option.SUBSURFACE_SCATTERING_BRIGHTNESS=次表面散射亮度
 option.SUBSURFACE_SCATTERING_RADIUS=次表面散射半径
 
-option.SSRT_MAX_SAMPLES=光线追踪采样数
-option.SSRT_REFINEMENT=光线追踪重采样
+option.SSRT_MAX_SAMPLES=反射采样数
+option.SSRT_REFINEMENT=反射重采样
 option.SSRT_REFINEMENT_STEPS=重采样精度
 option.SSRT_SKY_TRACING=追踪天空
 
@@ -321,6 +333,20 @@ option.REFLECTION_FILTER=反射过滤
 option.RAYTRACED_REFRACTION=光线追踪折射
 option.REFRACTION_STRENGTH=折射强度
 
+option.REFLECTION_SCREEN_SPACE=屏幕空间反射
+option.REFLECTION_SCREEN_SPACE.comment=方块的屏幕空间反射开关，关闭可以在保留质感的情况下提升性能
+option.REFLECTION_SKY=天空反射
+option.REFLECTION_SKY.comment=控制方块是否反射天空，以防有的人不喜欢
+option.LIGHT_REFLECTION_SAMPLES=反射最高采样数
+option.LIGHT_REFLECTION_SAMPLES.comment=屏幕空间反射和光线追踪反射的采样数都不会高于本选项的数值
+option.FRESNEL_EXPONENT=菲涅尔透镜亮度
+option.FRESNEL_EXPONENT.comment=关闭屏幕空间反射时的金属反光效果亮度
+option.FRESNEL_STRENGTH=菲涅尔透镜强度
+option.FRESNEL_STRENGTH.comment=关闭屏幕空间反射时的金属反光效果强度
+option.REF_MIN=菲涅尔透镜最小亮度
+option.REF_MIN.comment=关闭屏幕空间反射时的金属反光效果最小亮度
+option.REF_MAX=菲涅尔透镜最大亮度
+option.REF_MAX.comment=关闭屏幕空间反射时的金属反光效果亮度
 # Transparent
 option.WATER_PARALLAX=水体视差
 option.WATER_CAUSTICS=水体焦散

shaders/lib/SpatialUpscale.glsl

@@ -1,63 +1,103 @@
+//================================================================================================//
+// SVGF Upscale Diffuse Indirect (with quality & blur radius control)
+//================================================================================================//
 #if defined PASS_DEFERRED_LIGHTING
 #if defined SSILVB_ENABLED && defined SVGF_ENABLED
-	vec3 UpscaleDiffuseIndirect(in ivec2 texelPos, in vec3 worldNormal, in float viewDistance, in float NdotV) {
-		// ivec2 randTexel = ivec2(vec2(texelPos >> 1) + BlueNoise(texelPos, frameCounter + 3));
-		texelPos >>= 1;
-
-		vec3 sum = texelFetch(colortex3, texelPos, 0).rgb;
-		float sumWeight = 1.0;
-
-		float sigmaZ = -4.0 * NdotV;
-
-        ivec2 texelEnd = ivec2(halfViewEnd) - 1;
-
-		for (uint i = 0u; i < 8u; ++i) {
-			ivec2 sampleTexel = clamp(texelPos + offset3x3N[i], ivec2(1), texelEnd);
-
-			vec3 sampleAux = texelFetch(colortex14, sampleTexel, 0).rgb;
-
-			float weight = pow16(saturate(dot(OctDecodeSnorm(sampleAux.xy), worldNormal)));
-			weight *= exp2(distance(sampleAux.z, viewDistance) * sigmaZ);
 
-			vec3 sampleLight = texelFetch(colortex3, sampleTexel, 0).rgb;
-
-			sum += sampleLight * weight;
-			sumWeight += weight;
-		}
-
-		return sum * rcp(sumWeight);
-	}
+// ========== 可调节参数 ==========
+#ifndef SVGF_QUALITY
+    #define SVGF_QUALITY 0 // [0 1 2]     // 0=仅自身, 1=十字形(4样本), 2=完整3x3(8样本)
+#endif
+#ifndef SVGF_BLUR_RADIUS
+    #define SVGF_BLUR_RADIUS 15.0 // [1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 1.0 15.0 20.0 25.0 30.0 50.0] 采样半径倍数（1.0=原始相邻像素，>1.0扩大模糊范围）
+#endif
+// ================================
+
+vec3 UpscaleDiffuseIndirect(in ivec2 texelPos, in vec3 worldNormal, in float viewDistance, in float NdotV) {
+    texelPos >>= 1;
+    ivec2 texelEnd = ivec2(halfViewEnd) - 1;
+
+    vec3 sum = texelFetch(colortex3, texelPos, 0).rgb;
+    float sumWeight = 1.0;
+
+    #if SVGF_QUALITY == 0
+        return sum;
+    #endif
+
+    float sigmaZ = -4.0 * NdotV;
+    float depthCenter = viewDistance;
+
+    // 计算缩放后的偏移量（模糊半径）
+    float radius = max(1.0, SVGF_BLUR_RADIUS);
+    ivec2 offsetScale = ivec2(round(radius));
+
+    #if SVGF_QUALITY == 1
+        // 十字形采样（4个方向）
+        const ivec2 offsets[4] = ivec2[](ivec2(1,0), ivec2(-1,0), ivec2(0,1), ivec2(0,-1));
+        for (int i = 0; i < 4; ++i) {
+            ivec2 sampleTexel = clamp(texelPos + offsets[i] * offsetScale, ivec2(1), texelEnd);
+            vec3 sampleAux = texelFetch(colortex14, sampleTexel, 0).rgb;
+            float ndot = saturate(dot(OctDecodeSnorm(sampleAux.xy), worldNormal));
+            float weight = ndot * ndot;               // 平方代替 pow16
+            float depthDiff = abs(sampleAux.z - depthCenter);
+            weight *= exp2(depthDiff * sigmaZ);
+            if (weight < 0.001) continue;
+            vec3 sampleLight = texelFetch(colortex3, sampleTexel, 0).rgb;
+            sum += sampleLight * weight;
+            sumWeight += weight;
+        }
+    #else
+        // 完整3x3采样（8个邻居）
+        for (uint i = 0u; i < 8u; ++i) {
+            ivec2 sampleTexel = clamp(texelPos + offset3x3N[i] * offsetScale, ivec2(1), texelEnd);
+            vec3 sampleAux = texelFetch(colortex14, sampleTexel, 0).rgb;
+            float ndot = saturate(dot(OctDecodeSnorm(sampleAux.xy), worldNormal));
+            float weight = ndot * ndot;
+            weight = weight * weight;                 // ndot^4 (接近原始pow16)
+            float depthDiff = abs(sampleAux.z - depthCenter);
+            weight *= exp2(depthDiff * sigmaZ);
+            if (weight < 0.001) continue;
+            vec3 sampleLight = texelFetch(colortex3, sampleTexel, 0).rgb;
+            sum += sampleLight * weight;
+            sumWeight += weight;
+        }
+    #endif
+
+    return sum * rcp(sumWeight);
+}
 #endif
 #endif
 
 //================================================================================================//
-
+// Volumetric Fog Upscale (original logic, unchanged)
+//================================================================================================//
 #if defined PASS_COMPOSITE
 #if defined VOLUMETRIC_FOG || defined UW_VOLUMETRIC_FOG
-	mat2x3 UnpackFogData(in uvec2 data) {
-		return mat2x3(DecodeRGBE8U(data.x), DecodeRGBE8U(data.y));
-	}
 
-	mat2x3 UpscaleVolumetricFog(in ivec2 texelPos, in float linearDepth) {
-		ivec2 randTexel = ivec2(vec2(texelPos >> 1) + BlueNoise(texelPos, frameCounter + 7));
-		float sigmaZ = -64.0 / linearDepth;
+mat2x3 UnpackFogData(in uvec2 data) {
+    return mat2x3(DecodeRGBE8U(data.x), DecodeRGBE8U(data.y));
+}
+
+mat2x3 UpscaleVolumetricFog(in ivec2 texelPos, in float linearDepth) {
+    ivec2 randTexel = ivec2(vec2(texelPos >> 1) + BlueNoise(texelPos, frameCounter + 7));
+    float sigmaZ = -64.0 / linearDepth;
 
-		mat2x3 sum = UnpackFogData(texelFetch(colortex11, randTexel, 0).xy);
-		float sumWeight = 1.0;
+    mat2x3 sum = UnpackFogData(texelFetch(colortex11, randTexel, 0).xy);
+    float sumWeight = 1.0;
 
-		for (uint i = 0u; i < 8u; ++i) {
-			ivec2 sampleTexel = randTexel + offset3x3N[i];
-			uvec3 sampleFogData = texelFetch(colortex11, sampleTexel, 0).xyz;
+    for (uint i = 0u; i < 8u; ++i) {
+        ivec2 sampleTexel = randTexel + offset3x3N[i];
+        uvec3 sampleFogData = texelFetch(colortex11, sampleTexel, 0).xyz;
 
-			float sampleDepth = uintBitsToFloat(sampleFogData.z);
-			float weight = exp2(abs(sampleDepth - linearDepth) * sigmaZ);
+        float sampleDepth = uintBitsToFloat(sampleFogData.z);
+        float weight = exp2(abs(sampleDepth - linearDepth) * sigmaZ);
 
-			sum += UnpackFogData(sampleFogData.xy) * weight;
-			sumWeight += weight;
-		}
+        sum += UnpackFogData(sampleFogData.xy) * weight;
+        sumWeight += weight;
+    }
 
-		sum *= rcp(sumWeight);
-		return sum;
-	}
+    sum *= rcp(sumWeight);
+    return sum;
+}
 #endif
 #endif