SPV 1.4: Emit SignExtend and ZeroExtend for integer image reads/writes.

Test/spv.1.4.sparseTexture.frag

@@ -0,0 +1,47 @@
+#version 450
+#extension GL_ARB_sparse_texture2: enable
+
+uniform sampler2D               s2D;
+uniform isampler2D             is2D;
+uniform usampler2D             us2D;
+
+layout(rgba32f)  uniform  image2D i2D;
+layout(rgba32i)  uniform iimage2DMS ii2DMS;
+layout(rgba32ui) uniform uimage3D ui3D;
+
+in vec2 c2;
+in vec3 c3;
+in vec4 c4;
+
+in flat ivec2 ic2;
+in flat ivec3 ic3;
+
+in flat ivec2 offsets[4];
+
+out vec4 outColor;
+
+void main()
+{
+    int   resident = 0;
+    vec4  texel  = vec4(0.0);
+    ivec4 itexel = ivec4(0);
+    uvec4 utexel = uvec4(0);
+
+    resident |= sparseTextureARB(s2D,  c2, texel);
+    resident |= sparseTextureARB(is2D, c2, texel);
+    resident |= sparseTextureARB(us2D, c2, texel);
+
+    resident |= sparseTextureLodARB( s2D, c2, 2.0, texel);
+    resident |= sparseTextureLodARB(is2D, c2, 2.0, texel);
+    resident |= sparseTextureLodARB(us2D, c2, 2.0, texel);
+
+    resident |= sparseTexelFetchARB( s2D, ivec2(c2), 2, texel);
+    resident |= sparseTexelFetchARB(is2D, ivec2(c2), 2, texel);
+    resident |= sparseTexelFetchARB(us2D, ivec2(c2), 2, texel);
+
+    resident |= sparseImageLoadARB(i2D, ic2, texel);
+    resident |= sparseImageLoadARB(ii2DMS, ic2, 3, texel);
+    resident |= sparseImageLoadARB(ui3D, ic3, utexel);
+
+    outColor = sparseTexelsResidentARB(resident) ? texel : vec4(itexel) + vec4(utexel);
+}