d3d11: set the proper sampler for each pass input

librashader-common/src/d3d11.rs

@@ -17,7 +17,6 @@ impl From<FilterMode> for Direct3D11::D3D11_FILTER {
         match value {
             FilterMode::Linear => Direct3D11::D3D11_FILTER_MIN_MAG_MIP_LINEAR,
             FilterMode::Nearest => Direct3D11::D3D11_FILTER_MIN_MAG_MIP_POINT,
-            _ => Direct3D11::D3D11_FILTER_MIN_MAG_MIP_LINEAR,
         }
     }
 }

librashader-runtime-d3d11/src/filter_chain.rs

@@ -527,8 +527,8 @@ impl FilterChainD3D11 {
                     handle: target.create_shader_resource_view()?,
                     size,
                 },
-                filter,
-                wrap_mode,
+                filter: pass.config.filter,
+                wrap_mode: pass.config.wrap_mode,
             };
             self.common.output_textures[index] = Some(source.clone());
         }

test/null.slang

@@ -0,0 +1,29 @@
+#version 450
+// 450 or 310 es are recommended
+
+layout(set = 0, binding = 0, std140) uniform UBO
+{
+   mat4 MVP;
+};
+
+#pragma name StockShader
+#pragma format R8G8B8A8_UNORM
+
+#pragma stage vertex
+layout(location = 0) in vec4 Position;
+layout(location = 1) in vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+void main()
+{
+   gl_Position = MVP * Position;
+   vTexCoord = TexCoord;
+}
+
+#pragma stage fragment
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 0) out vec4 FragColor;
+layout(binding = 1) uniform sampler2D Source;
+void main()
+{
+   FragColor = texture(Source, vTexCoord);
+}

test/null.slangp

@@ -0,0 +1,7 @@
+shaders = "1"
+shader0 = "null.slang"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"