init

gamedata/shaders/r2/bloom_build.ps.hlsl

@@ -0,0 +1,26 @@
+#include "common.hlsli"
+
+struct v2p
+{
+    float2 tc0 : TEXCOORD0; // Texture coordinates         (for sampling maps)
+    float2 tc1 : TEXCOORD1; // Texture coordinates         (for sampling maps)
+    float2 tc2 : TEXCOORD2; // Texture coordinates         (for sampling maps)
+    float2 tc3 : TEXCOORD3; // Texture coordinates         (for sampling maps)
+};
+
+uniform float4 b_params;
+
+// Pixel
+float4 main(v2p I) : COLOR
+{
+    // hi-rgb.base-lum
+    float3 s0 = tex2D(s_image, I.tc0);
+    float3 s1 = tex2D(s_image, I.tc1);
+    float3 s2 = tex2D(s_image, I.tc2);
+    float3 s3 = tex2D(s_image, I.tc3);
+
+    float3 avg = (s0 + s1 + s2 + s3) / (2.0f * def_hdr);
+    float hi = dot(avg, 1.0f) - b_params.x; // assume def_hdr equal to 3.0
+
+    return float4(avg, hi);
+}