Initial commit

data/shaders/dx11/stitch_blit.fragment.hlsl

@@ -0,0 +1,52 @@
+#include "ShaderConstants.fxh"
+#include "Util.fxh"
+
+#ifndef BLUR_RADIUS
+    #define BLUR_RADIUS 1 //base size
+#endif
+
+//HACK do not build higher res versions on DX9
+#if VERSION < 0xa000 && BLUR_RADIUS > 2
+    #undef BLUR_RADIUS
+    #define BLUR_RADIUS 2
+#endif
+
+struct PS_Input
+{
+    float4 position : SV_Position;
+    float2 uv : TEXCOORD_0;
+};
+
+struct PS_Output
+{
+    float4 color : SV_Target;
+};
+
+void main( in PS_Input PSInput, out PS_Output PSOutput )
+{
+    float2 pixelSide = float2(1.0 / TEXTURE_DIMENSIONS.xy);
+
+    #if BLUR_RADIUS == 1
+        float4 color = TEXTURE_0.Sample(TextureSampler0, PSInput.uv);
+    #else
+        float4 color = float4(0, 0, 0, 0);
+        for(int i = -BLUR_RADIUS / 2; i < BLUR_RADIUS / 2; ++i) {
+            for(int j = -BLUR_RADIUS / 2; j < BLUR_RADIUS / 2; ++j) {
+                float2 uv = PSInput.uv + pixelSide * float2(j, i);
+                uv = fmod(uv, float2(1,1));
+    
+                color += TEXTURE_0.Sample(TextureSampler0, uv);
+            }
+        }
+
+        color /= BLUR_RADIUS * BLUR_RADIUS;
+    #endif  
+
+    color.rgb = lerp(color.rgb, CURRENT_COLOR.rgb * color.rgb, color.a * CURRENT_COLOR.a);
+    if(CURRENT_COLOR.a > 0) {
+        //the alpha in diffuse is a mask
+        color.a = 1;
+    }
+
+    PSOutput.color = color;
+}