# -------------------------------------------------
# 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.


group extension_macros "Extension macro definitions"

	case android_extension_pack_es31a
		version 320 es
		desc "Test GL_ANDROID_extension_pack_es31a macro"
		values
		{
			output float out0 = 1.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}

			void main()
			{
				out0 = float(GL_ANDROID_extension_pack_es31a);
				${FRAGMENT_OUTPUT}
			}
		""
	end
end

group extension_directive "Extension directive"

	case oes_sample_variables
		version 320 es
		desc "Test oes_sample_variables extension"
		values
		{
			output float out0 = 1.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}

			void main()
			{
				out0 = (gl_SampleID < 0) ? (0.0) : (1.0);
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case oes_shader_image_atomic
		version 320 es
		desc "Test oes_shader_image_atomic extension"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			layout(binding=0, r32i) coherent uniform highp iimage2D u_image;

			void main()
			{
				if (imageAtomicXor(u_image, ivec2(0, 0), 1) == 0)
					discard;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case oes_shader_multisample_interpolation
		version 320 es
		desc "Test oes_shader_multisample_interpolation extension"
		values
		{
			input float in0 = 1.0;
			output float out0 = 1.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}
			sample out highp float v_var;

			void main()
			{
				v_var = in0;
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			sample in mediump float v_var;

			void main()
			{
				out0 = v_var;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case oes_texture_storage_multisample_2d_array
		version 320 es
		desc "Test oes_texture_storage_multisample_2d_array extension"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			uniform mediump sampler2DMSArray u_sampler;

			void main()
			{
				if (texelFetch(u_sampler, ivec3(0, 0, 0), 0).r > 0.5)
					discard;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case ext_geometry_shader
		version 320 es
		desc "Test ext_geometry_shader extension"
		values
		{
			input float in0 = 1.0;
			output float out0 = 1.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}
			out highp float geo_in;
			void main()
			{
				geo_in = in0;
				${VERTEX_OUTPUT}
			}
		""
		geometry ""
			#version 320 es
			${GEOMETRY_DECLARATIONS}
			in lowp float geo_in[];
			out mediump float geo_out;
			void main()
			{
				for (int ndx = 0; ndx < gl_in.length(); ++ndx)
				{
					geo_out = geo_in[ndx];
					gl_Position = gl_in[ndx].gl_Position;
					EmitVertex();
				}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			in mediump float geo_out;
			void main()
			{
				out0 = geo_out;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case ext_gpu_shader5
		version 320 es
		desc "Test ext_gpu_shader5 extension"
		values
		{
			input float in0 = 1.0;
			output float out0 = 2.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}
			out highp float v_var;
			void main()
			{
				v_var = in0;
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			in mediump float v_var;
			void main()
			{
				precise float fmaResult = fma(v_var, v_var, v_var);
				out0 = fmaResult;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case ext_primitive_bounding_box
		version 320 es
		desc "Test ext_primitive_bounding_box extension"
		values
		{
			input float in0 = 1.0;
			output float out0 = 1.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}
			out highp float tc_in;
			void main()
			{
				tc_in = in0;
				${VERTEX_OUTPUT}
			}
		""
		tessellation_control ""
			#version 320 es
			${TESSELLATION_CONTROL_DECLARATIONS}
			in highp float tc_in[];
			out highp float tc_out[];
			void main()
			{
				tc_out[gl_InvocationID] = tc_in[gl_InvocationID];
				// set bounding box to (-1,-1,-1, 1) .. (1,1,1,1)
				gl_BoundingBox[0] = vec4(tc_in[0]-2.0, tc_in[1]-2.0, tc_in[2]-2.0, 1.0);
				gl_BoundingBox[1] = vec4(tc_in[0], tc_in[1], tc_in[2], 1.0);
				${TESSELLATION_CONTROL_OUTPUT}
			}
		""
		tessellation_evaluation ""
			#version 320 es
			${TESSELLATION_EVALUATION_DECLARATIONS}
			in highp float tc_out[];
			out highp float te_out;
			void main()
			{
				te_out = tc_out[2];
				${TESSELLATION_EVALUATION_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			in mediump float te_out;
			void main()
			{
				out0 = te_out;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case ext_shader_io_blocks
		version 320 es
		desc "Test ext_shader_io_blocks extension"
		values
		{
			input float in0 = 1.0;
			output float out0 = 1.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}
			out VaryingIOBlockName { highp float v_var; } instanceName;
			void main()
			{
				instanceName.v_var = in0;
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			in VaryingIOBlockName { highp float v_var; } instanceName;
			void main()
			{
				out0 = instanceName.v_var;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case ext_tessellation_shader
		version 320 es
		desc "Test ext_tessellation_shader extension"
		values
		{
			input float in0 = 1.0;
			output float out0 = 1.0;
		}

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}
			out highp float tc_in;
			void main()
			{
				tc_in = in0;
				${VERTEX_OUTPUT}
			}
		""
		tessellation_control ""
			#version 320 es
			${TESSELLATION_CONTROL_DECLARATIONS}
			in highp float tc_in[];
			out highp float tc_out[];
			void main()
			{
				tc_out[gl_InvocationID] = tc_in[gl_InvocationID];
				${TESSELLATION_CONTROL_OUTPUT}
			}
		""
		tessellation_evaluation ""
			#version 320 es
			${TESSELLATION_EVALUATION_DECLARATIONS}
			in highp float tc_out[];
			out highp float te_out;
			void main()
			{
				te_out = tc_out[2];
				${TESSELLATION_EVALUATION_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			in mediump float te_out;
			void main()
			{
				out0 = te_out;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case ext_texture_buffer
		version 320 es
		desc "Test ext_texture_buffer extension"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			uniform mediump samplerBuffer u_sampler;

			void main()
			{
				if (textureSize(u_sampler) > 10)
					discard;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case ext_texture_cube_map_array
		version 320 es
		desc "Test ext_texture_cube_map_array extension"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			uniform mediump samplerCubeArray u_sampler;

			void main()
			{
				if (textureSize(u_sampler, 3).y > 10)
					discard;
				${FRAGMENT_OUTPUT}
			}
		""
	end
end

group implementation_limits "Extended implementation limits"

	case max_fragment_atomic_counter_buffers
		version 320 es
		desc "Test MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS limit"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			layout(binding=0) uniform atomic_uint u_counter;

			void main()
			{
				if (atomicCounterIncrement(u_counter) == 0u)
					discard;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case max_fragment_atomic_counters
		version 320 es
		desc "Test MAX_FRAGMENT_ATOMIC_COUNTERS limit"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			layout(binding=0) uniform atomic_uint u_counter[8];

			void main()
			{
				if (atomicCounterIncrement(u_counter[0]) == 0u)
					discard;
				if (atomicCounterIncrement(u_counter[1]) == 0u)
					discard;
				if (atomicCounterIncrement(u_counter[2]) == 0u)
					discard;
				if (atomicCounterIncrement(u_counter[3]) == 0u)
					discard;
				if (atomicCounterIncrement(u_counter[4]) == 0u)
					discard;
				if (atomicCounterIncrement(u_counter[5]) == 0u)
					discard;
				if (atomicCounterIncrement(u_counter[6]) == 0u)
					discard;
				if (atomicCounterIncrement(u_counter[7]) == 0u)
					discard;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case max_fragment_image_uniforms
		version 320 es
		desc "Test MAX_FRAGMENT_IMAGE_UNIFORMS limit"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			layout(binding=0, r32i) uniform readonly highp iimage2D u_image0;
			layout(binding=1, rgba16i) uniform readonly highp iimage3D u_image1;
			layout(binding=2, rgba8ui) uniform readonly highp uimageCube u_image2;
			layout(binding=3, rgba16f) uniform readonly highp image2DArray u_image3;

			void main()
			{
				if (imageLoad(u_image0, ivec2(0, 0)).r == 0)
					discard;
				if (imageLoad(u_image1, ivec3(0, 0, 0)).r == 0)
					discard;
				if (imageLoad(u_image2, ivec3(0, 0, 0)).r == 0u)
					discard;
				if (imageLoad(u_image3, ivec3(0, 0, 0)).r == 0.0)
					discard;
				${FRAGMENT_OUTPUT}
			}
		""
	end

	case max_fragment_shader_storage_blocks
		version 320 es
		desc "Test MAX_FRAGMENT_SHADER_STORAGE_BLOCKS limit"
		expect build_successful

		vertex ""
			#version 320 es
			${VERTEX_DECLARATIONS}

			void main()
			{
				${VERTEX_OUTPUT}
			}
		""
		fragment ""
			#version 320 es
			precision mediump float;
			${FRAGMENT_DECLARATIONS}
			layout(binding=0, std430) coherent readonly buffer Buffer0
			{
				highp int val;
				highp float vals[32];
			} buffer0;
			layout(binding=1, std140) volatile buffer Buffer1
			{
				highp float vals[];
			} buffer1;
			layout(binding=2, packed) restrict buffer Buffer2
			{
				highp int vals[15];
			} buffer2;
			layout(binding=3, std140) writeonly buffer Buffer3
			{
				highp vec3 vals[8];
			} buffer3;

			void main()
			{
				highp int readNdx = abs(int(gl_FragCoord.x));
				highp int writeNdx = abs(int(gl_FragCoord.y));

				if (buffer0.vals[readNdx % 32] == 0.0)
					discard;

				if (buffer1.vals[readNdx % 1024] == 0.0)
					discard;
				buffer1.vals[writeNdx % 1024] = float(readNdx);

				if (buffer2.vals[readNdx % 15] == 0)
					discard;
				buffer2.vals[writeNdx % 15] = readNdx;

				buffer3.vals[writeNdx % 8] = vec3(float(writeNdx), 0.0, float(readNdx));
				${FRAGMENT_OUTPUT}
			}
		""
	end
end