data/gles31/shaders/es31/tessellation_negative_user_defined_io.test

case per_patch_array_of_structs
	version 310 es
	desc "per-patch variable type is array of structs"
	expect compile_or_link_fail
	require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
	vertex ""
		#version 310 es
		${VERTEX_DECLARATIONS}
		void main()
		{
			${VERTEX_OUTPUT}
		}
	""
	tessellation_control ""
		#version 310 es
		${TESSELLATION_CONTROL_DECLARATIONS}
		struct S
		{
			highp float a;
			highp vec2 b;
		};
		patch out S patchVariable[2]; // array of structures is illegal
		void main()
		{
			patchVariable[0].a = gl_in[0].gl_Position.x;
			patchVariable[0].b = gl_in[0].gl_Position.yz;
			patchVariable[1].a = gl_in[0].gl_Position.z;
			patchVariable[1].b = gl_in[0].gl_Position.wx;
			${TESSELLATION_CONTROL_OUTPUT}
		}
	""
	tessellation_evaluation ""
		#version 310 es
		${TESSELLATION_EVALUATION_DECLARATIONS}
		struct S
		{
			highp float a;
			highp vec2 b;
		};
		patch in S patchVariable[2]; // array of structures is illegal
		out mediump float te_out;
		void main()
		{
			te_out = patchVariable[0].a + patchVariable[1].b.y;
			${TESSELLATION_EVALUATION_OUTPUT}
		}
	""
	fragment ""
		#version 310 es
		precision mediump float;
		${FRAGMENT_DECLARATIONS}
		in mediump float te_out;
		void main()
		{
			${FRAG_COLOR} = vec4(te_out);
		}
	""
end

case per_patch_structs_containing_arrays
	version 310 es
	desc "per-patch variable type is struct containing array"
	expect compile_or_link_fail
	require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
	vertex ""
		#version 310 es
		${VERTEX_DECLARATIONS}
		void main()
		{
			${VERTEX_OUTPUT}
		}
	""
	tessellation_control ""
		#version 310 es
		${TESSELLATION_CONTROL_DECLARATIONS}
		struct S
		{
			highp float a;
			highp float b[2];
		};
		patch out S patchVariable; // output structure containing array is illegal
		void main()
		{
			patchVariable.a = gl_in[0].gl_Position.x;
			patchVariable.b[0] = gl_in[0].gl_Position.y;
			patchVariable.b[1] = gl_in[0].gl_Position.w;
			${TESSELLATION_CONTROL_OUTPUT}
		}
	""
	tessellation_evaluation ""
		#version 310 es
		${TESSELLATION_EVALUATION_DECLARATIONS}
		struct S
		{
			highp float a;
			highp float b[2];
		};
		patch in S patchVariable; // output structure containing array is illegal
		out mediump float te_out;
		void main()
		{
			te_out = patchVariable.a + patchVariable.b[1];
			${TESSELLATION_EVALUATION_OUTPUT}
		}
	""
	fragment ""
		#version 310 es
		precision mediump float;
		${FRAGMENT_DECLARATIONS}
		in mediump float te_out;
		void main()
		{
			${FRAG_COLOR} = vec4(te_out);
		}
	""
end

case per_vertex_incorrect_control_explicit_output_array_size_2
	version 310 es
	desc "Incorrectly sized tessellation control output array"
	expect compile_or_link_fail
	require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
	vertex ""
		#version 310 es
		${VERTEX_DECLARATIONS}
		void main()
		{
			${VERTEX_OUTPUT}
		}
	""
	tessellation_control ""
		#version 310 es
		${TESSELLATION_CONTROL_DECLARATIONS}
		out highp float varyingArray[gl_MaxPatchVertices]; // size does not match layout declaration
		void main()
		{
			varyingArray[gl_InvocationID] = gl_in[0].gl_Position[gl_InvocationID];
			${TESSELLATION_CONTROL_OUTPUT}
		}
	""
	tessellation_evaluation ""
		#version 310 es
		${TESSELLATION_EVALUATION_DECLARATIONS}
		in highp float varyingArray[gl_MaxPatchVertices]; // size is correct
		out mediump float te_out;
		void main()
		{
			te_out = varyingArray[0] * gl_TessCoord.x + varyingArray[1] * gl_TessCoord.y + varyingArray[2];
			${TESSELLATION_EVALUATION_OUTPUT}
		}
	""
	fragment ""
		#version 310 es
		precision mediump float;
		${FRAGMENT_DECLARATIONS}
		in mediump float te_out;
		void main()
		{
			${FRAG_COLOR} = vec4(te_out);
		}
	""
end

case per_vertex_incorrect_control_explicit_output_array_size_3
	version 310 es
	desc "Incorrectly sized tessellation control output array"
	expect compile_or_link_fail
	require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
	vertex ""
		#version 310 es
		${VERTEX_DECLARATIONS}
		void main()
		{
			${VERTEX_OUTPUT}
		}
	""
	tessellation_control ""
		#version 310 es
		${TESSELLATION_CONTROL_DECLARATIONS}
		out highp float varyingArray[${GL_MAX_PATCH_VERTICES}]; // size does not match layout declaration
		void main()
		{
			varyingArray[gl_InvocationID] = gl_in[0].gl_Position[gl_InvocationID];
			${TESSELLATION_CONTROL_OUTPUT}
		}
	""
	tessellation_evaluation ""
		#version 310 es
		${TESSELLATION_EVALUATION_DECLARATIONS}
		in highp float varyingArray[gl_MaxPatchVertices]; // size is correct
		out mediump float te_out;
		void main()
		{
			te_out = varyingArray[0] * gl_TessCoord.x + varyingArray[1] * gl_TessCoord.y + varyingArray[2];
			${TESSELLATION_EVALUATION_OUTPUT}
		}
	""
	fragment ""
		#version 310 es
		precision mediump float;
		${FRAGMENT_DECLARATIONS}
		in mediump float te_out;
		void main()
		{
			${FRAG_COLOR} = vec4(te_out);
		}
	""
end

case per_vertex_incorrect_eval_explicit_input_array_size
	version 310 es
	desc "Incorrectly sized tessellation control output array"
	expect compile_or_link_fail
	require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
	vertex ""
		#version 310 es
		${VERTEX_DECLARATIONS}
		void main()
		{
			${VERTEX_OUTPUT}
		}
	""
	tessellation_control ""
		#version 310 es
		${TESSELLATION_CONTROL_DECLARATIONS}
		out highp float varyingArray[];
		void main()
		{
			varyingArray[gl_InvocationID] = gl_in[0].gl_Position[gl_InvocationID];
			${TESSELLATION_CONTROL_OUTPUT}
		}
	""
	tessellation_evaluation ""
		#version 310 es
		${TESSELLATION_EVALUATION_DECLARATIONS}
		in highp float varyingArray[3]; // size is not equal to gl_MaxPatchVertices
		out mediump float te_out;
		void main()
		{
			te_out = varyingArray[0] * gl_TessCoord.x + varyingArray[1] * gl_TessCoord.y + varyingArray[2];
			${TESSELLATION_EVALUATION_OUTPUT}
		}
	""
	fragment ""
		#version 310 es
		precision mediump float;
		${FRAGMENT_DECLARATIONS}
		in mediump float te_out;
		void main()
		{
			${FRAG_COLOR} = vec4(te_out);
		}
	""
end