add game&rawdata

gamedata/shaders/r2/bloom_luminance_1.ps.hlsl

@@ -0,0 +1,39 @@
+#include "common.hlsli"
+
+struct v2p
+{
+    float4 tc0 : TEXCOORD0; // Central
+    float4 tc1 : TEXCOORD1; // -1,+1
+    float4 tc2 : TEXCOORD2; // -2,+2
+    float4 tc3 : TEXCOORD3; // -3,+3
+    float4 tc4 : TEXCOORD4; // -4,+4
+    float4 tc5 : TEXCOORD5; // -5,+5
+    float4 tc6 : TEXCOORD6; // -6,+6
+    float4 tc7 : TEXCOORD7; // -7,+7
+};
+
+#define LUMINANCE_BASE 0.0001f
+
+float luminance(float2 tc)
+{
+    float3 source = tex2D(s_image, tc);
+    return dot(source, LUMINANCE_VECTOR * def_hdr);
+}
+
+// 	perform 2x2=4s convolution, working on 4x4=16p area
+//	that means 256x256 source will be scaled to (256/4)x(256/4) = 64x64p
+//	a):	256x256 => 64x64p	with log
+//	b):	64x64p	=> 8x8p
+//	c):	8x8p	=> 1x1p		with exp
+float4 main(v2p I) : COLOR
+{
+    // first 8 bilinear samples (8x4 = 32 pixels)
+    float4 final;
+    final.x = luminance(I.tc0);
+    final.y = luminance(I.tc1);
+    final.z = luminance(I.tc2);
+    final.w = luminance(I.tc3);
+
+    // OK
+    return final;
+}