Fix declaration of coherent images.

reference/shaders/comp/bake_gradient.comp

@@ -9,8 +9,8 @@ layout(binding = 4, std140) uniform UBO
 
 layout(binding = 0) uniform mediump sampler2D uHeight;
 layout(binding = 1) uniform mediump sampler2D uDisplacement;
-layout(binding = 2, rgba16f) uniform mediump writeonly image2D iHeightDisplacement;
-layout(binding = 3, rgba16f) uniform mediump writeonly image2D iGradJacobian;
+layout(binding = 2, rgba16f) uniform writeonly mediump image2D iHeightDisplacement;
+layout(binding = 3, rgba16f) uniform writeonly mediump image2D iGradJacobian;
 
 mediump float jacobian(mediump vec2 dDdx, mediump vec2 dDdy)
 {

reference/shaders/comp/coherent-image.comp

@@ -0,0 +1,15 @@
+#version 310 es
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+
+layout(binding = 1, std430) coherent restrict writeonly buffer SSBO
+{
+    ivec4 value;
+} _10;
+
+layout(binding = 3, r32i) uniform coherent readonly mediump iimage2D uImage;
+
+void main()
+{
+    _10.value = imageLoad(uImage, ivec2(10));
+}
+

reference/shaders/comp/image.comp

@@ -1,8 +1,8 @@
 #version 310 es
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 
-layout(binding = 0, rgba8) uniform mediump readonly image2D uImageIn;
-layout(binding = 1, rgba8) uniform mediump writeonly image2D uImageOut;
+layout(binding = 0, rgba8) uniform readonly mediump image2D uImageIn;
+layout(binding = 1, rgba8) uniform writeonly mediump image2D uImageOut;
 
 void main()
 {

reference/shaders/vert/texture_buffer.vert

@@ -2,7 +2,7 @@
 #extension GL_OES_texture_buffer : require
 
 layout(binding = 4) uniform highp samplerBuffer uSamp;
-layout(binding = 5, rgba32f) uniform highp readonly imageBuffer uSampo;
+layout(binding = 5, rgba32f) uniform readonly highp imageBuffer uSampo;
 
 void main()
 {

shaders/comp/coherent-image.comp

@@ -0,0 +1,14 @@
+#version 310 es
+layout(local_size_x = 1) in;
+
+layout(binding = 1) coherent restrict writeonly buffer SSBO
+{
+	ivec4 value;	
+};
+
+layout(r32i, binding = 3) coherent readonly restrict uniform mediump iimage2D uImage;
+
+void main()
+{
+	value = imageLoad(uImage, ivec2(10));
+}

spirv_glsl.cpp

@@ -1001,8 +1001,6 @@ string CompilerGLSL::layout_for_variable(const SPIRVariable &var)
 
 	if (flags & (1ull << DecorationBinding))
 		attr.push_back(join("binding = ", dec.binding));
-	if (flags & (1ull << DecorationCoherent))
-		attr.push_back("coherent");
 	if (flags & (1ull << DecorationOffset))
 		attr.push_back(join("offset = ", dec.offset));
 
@@ -6075,17 +6073,20 @@ string CompilerGLSL::to_qualifiers_glsl(uint32_t id)
 	res += to_interpolation_qualifiers(flags);
 	if (var)
 		res += to_storage_qualifiers_glsl(*var);
-	res += to_precision_qualifiers_glsl(id);
-	auto &type = expression_type(id);
 
+	auto &type = expression_type(id);
 	if (type.image.dim != DimSubpassData && type.image.sampled == 2)
 	{
+		if (flags & (1ull << DecorationCoherent))
+			res += "coherent ";
 		if (flags & (1ull << DecorationNonWritable))
 			res += "readonly ";
 		if (flags & (1ull << DecorationNonReadable))
 			res += "writeonly ";
 	}
 
+	res += to_precision_qualifiers_glsl(id);
+
 	return res;
 }