extension: GL_QCOM_image_processing support

Test/spv.tpipTextureArrays.frag

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+#version 450
+#extension GL_QCOM_image_processing : require
+
+precision highp float;
+
+// fragment shader inputs and outputs
+layout (location = 0) in vec4 v_texcoord;
+
+layout (location = 0) out vec4 fragColor;
+
+// fragment shader resources
+layout(set = 0, binding = 3) uniform sampler samp;
+
+
+layout(set = 0, binding = 4) uniform texture2D tex2D_srcs[8];
+layout(set = 0, binding = 5) uniform sampler2D samplers[3];
+
+void main()
+{
+
+    uvec2 tgt_coords; tgt_coords.x = uint(v_texcoord.x); tgt_coords.x = uint(v_texcoord.y);
+    uvec2 ref_coords; ref_coords.x = uint(v_texcoord.z); ref_coords.y = uint(v_texcoord.w);
+    uvec2 blockSize = uvec2(4, 4);
+    uint  ii = tgt_coords.x % 8;
+    fragColor = textureBlockMatchSSDQCOM(
+                    samplers[0],                                   // target texture
+                    tgt_coords,                                    // target coords
+                    sampler2D(tex2D_srcs[ii], samp),               // reference texture
+                    ref_coords,                                    // reference coords
+                    blockSize);                                    // block size
+
+    fragColor = textureBlockMatchSADQCOM(
+                    sampler2D(tex2D_srcs[1], samp),                // target texture
+                    tgt_coords,                                    // target coords
+                    samplers[1],                                   // reference texture
+                    ref_coords,                                    // reference coords
+                    blockSize);                                    // block size
+
+}
+