# -------------------------------------------------
# drawElements Quality Program OpenGL ES 3.2 Module
# -------------------------------------------------
#
# Copyright 2016 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


case duplicate_location
	expect compile_or_link_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;
		layout(location = 0) uniform float uni0;
		layout(location = 0) uniform float uni1;
		${DECLARATIONS}

		void main()
		{
			out0 = uni0 + uni1;
			${OUTPUT}
		}
	""
end

case duplicate_location_unused
	expect compile_or_link_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;
		layout(location = 0) uniform float uni0;
		layout(location = 0) uniform float uni1;
		${DECLARATIONS}

		void main()
		{
			out0 = 0.0;
			${OUTPUT}
		}
	""
end

case duplicate_location_split
	expect compile_or_link_fail
	version 320 es
	values{ output float out0 = 0.0; }

	vertex ""
		#version 320 es
		precision highp float;
		layout(location = 0) uniform float uni0;

		in highp vec4 dEQP_Position;

		void main()
		{
			gl_Position = dEQP_Position;
		}
	""

	fragment ""
		#version 320 es
		precision highp float;
		layout(location = 0) uniform float uni1;

		layout(location = 0) out mediump vec4 dEQP_FragColor;

		void main()
		{
			dEQP_FragColor = vec4(1);
		}
	""
end

case array_overlap
	expect compile_or_link_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;
		layout(location = 0) uniform float uni0[8];
		layout(location = 5) uniform float uni1;
		${DECLARATIONS}

		void main()
		{
			out0 = uni0[0] + uni1;
			${OUTPUT}
		}
	""
end

case array_overlap_unused
	expect compile_or_link_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;
		layout(location = 0) uniform float uni0[8];
		layout(location = 5) uniform float uni1;
		${DECLARATIONS}

		void main()
		{
			out0 = 0.0;
			${OUTPUT}
		}
	""
end

case array_overlap_split
	expect compile_or_link_fail
	version 320 es
	values{ output float out0 = 0.0; }

	vertex ""
		#version 320 es
		precision highp float;
		layout(location = 0) uniform float uni0[8];

		in highp vec4 dEQP_Position;

		void main()
		{
			gl_Position = dEQP_Position;
		}
	""

	fragment ""
		#version 320 es
		precision highp float;
		layout(location = 7) uniform float uni1[4];

		layout(location = 0) out mediump vec4 dEQP_FragColor;

		void main()
		{
			dEQP_FragColor = vec4(1);
		}
	""
end

case struct_overlap
	expect compile_or_link_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;

		struct S
		{
			vec4 a;
			int  b;
			mat4 c;
		};

		layout(location = 0) uniform S uni0;
		layout(location = 2) uniform float uni1;
		${DECLARATIONS}

		void main()
		{
			out0 = uni0.a.x + uni1;
			${OUTPUT}
		}
	""
end

case struct_overlap_unused
	expect compile_or_link_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;

		struct S
		{
			vec4 a;
			int  b;
			mat4 c;
		};

		layout(location = 0) uniform S uni0;
		layout(location = 2) uniform float uni1;
		${DECLARATIONS}

		void main()
		{
			out0 = 0.0;
			${OUTPUT}
		}
	""
end

case struct_overlap_split
	expect compile_or_link_fail
	version 320 es
	values{ output float out0 = 0.0; }

	vertex ""
		#version 320 es
		precision highp float;

		struct S
		{
			vec4 a;
			int  b;
			uint c;
			vec2 d;
		};

		layout(location = 7) uniform S uni0;
		layout(location = 12) uniform float uni2;

		in highp vec4 dEQP_Position;

		void main()
		{
			gl_Position = dEQP_Position;
		}
	""

	fragment ""
		#version 320 es
		precision highp float;
		layout(location = 9) uniform float uni1[4];

		layout(location = 0) out mediump vec4 dEQP_FragColor;

		void main()
		{
			dEQP_FragColor = vec4(1);
		}
	""
end

case complex_overlap
	expect compile_or_link_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;

		struct S // size 2
		{
			vec3 a;
			float b;
		};

		struct T // size 5
		{
			S s[2];
			mat2 a;
		};

		struct U // size 6
		{
			S s;
			float a[4];
		};

		layout(location = 0) uniform S  uni0; // good
		layout(location = 1) uniform T  uni1; // bad
		layout(location = 6) uniform T  uni2; // good
		layout(location = 11) uniform U uni3[3]; // good
		layout(location = 20) uniform S uni4; // bad
		layout(location = 28) uniform int uni5; // bad
		${DECLARATIONS}

		void main()
		{
			out0 = 0.0;
			${OUTPUT}
		}
	""
end

case atomic
	# \todo [2014-02-14 otto] invalid layout qualifier is generally a compiler error but spec does not yet say that this should be an error. Verify & fix once final 3.1 spec is out
	expect compile_fail
	version 320 es
	values { output float out0 = 0.0; }

	both ""
		#version 320 es
		precision highp float;
		layout(location = 3, binding = 0, offset = 0) uniform atomic_uint uni0;
		${DECLARATIONS}

		void main()
		{
			out0 = 0.0;
			${OUTPUT}
		}
	""
end