shaders/es31/linkage_tessellation_geometry.test

group varying "Varying linkage"
    group rules "Rules"

        case type_mismatch
            version 310 es
            desc "Tessellation output and geometry input type mismatch"
            expect link_fail
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input float in0 = 1.0;
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump float vtx_out;
                void main()
                {
                    vtx_out = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump float vtx_out[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = vtx_out[gl_InvocationID];
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out mediump float te_out;
                void main()
                {
                    te_out = tc_out[2];
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in mediump vec2 te_out[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = te_out[ndx].y;
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end

        case different_precision
            version 310 es
            desc "Tessellation output and geometry input precisions are different"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input float in0 = 1.0;
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump float vtx_out;
                void main()
                {
                    vtx_out = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump float vtx_out[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = vtx_out[gl_InvocationID];
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out mediump float te_out;
                void main()
                {
                    te_out = tc_out[2];
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in highp float te_out[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = te_out[ndx];
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end

        case no_output_declaration
            version 310 es
            desc "Geometry input has no matching output"
            expect link_fail
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input float in0 = 1.0;
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump float vtx_out;
                void main()
                {
                    vtx_out = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump float vtx_out[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = vtx_out[gl_InvocationID];
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out mediump float te_out;
                void main()
                {
                    te_out = tc_out[2];
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in mediump float te_out[];
                in mediump float te_out_nonexistent[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = te_out[ndx] + te_out_nonexistent[ndx];
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end

        case superfluous_output_declaration
            version 310 es
            desc "Tessellation shader output is never used"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input float in0 = 1.0;
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump float vtx_out;
                void main()
                {
                    vtx_out = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump float vtx_out[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = vtx_out[gl_InvocationID];
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out mediump float te_out;
                out mediump float te_out_nonexistent;
                void main()
                {
                    te_out = tc_out[2];
                    te_out_nonexistent = tc_out[0];
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in mediump float te_out[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = te_out[ndx];
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end

        case vertex_geometry_same_varying_name_1
            version 310 es
            desc "Vertex output and geometry input share the same name"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input float in0 = 1.0;
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump float sharedVaringName;
                void main()
                {
                    sharedVaringName = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump float sharedVaringName[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = sharedVaringName[gl_InvocationID];
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out mediump float sharedVaringName;
                void main()
                {
                    sharedVaringName = tc_out[2];
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in mediump float sharedVaringName[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = sharedVaringName[ndx];
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end

        case vertex_geometry_same_varying_name_2
            version 310 es
            desc "Vertex output and geometry input share the same name"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input vec2 in0 = vec2(1.0, 1.0);
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump vec2 sharedVaringName;
                void main()
                {
                    sharedVaringName = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump vec2 sharedVaringName[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = 2.0 * sharedVaringName[gl_InvocationID].x - sharedVaringName[gl_InvocationID].y;
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out mediump float sharedVaringName;
                void main()
                {
                    sharedVaringName = tc_out[2];
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in mediump float sharedVaringName[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = sharedVaringName[ndx];
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end

        case io_block
            version 310 es
            desc "Use of io block between tessellation and geometry shaders"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input float in0 = 1.0;
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump float vtx_out;
                void main()
                {
                    vtx_out = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump float vtx_out[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = vtx_out[gl_InvocationID];
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out IOBlockName { mediump float val; } instanceName;
                void main()
                {
                    instanceName.val = tc_out[2];
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in IOBlockName { mediump float val; } instanceName[];
                out mediump float geo_out;
                void main()
                {
                    geo_out = instanceName[0].val;
                    gl_Position = gl_in[0].gl_Position;
                    EmitVertex();

                    geo_out = instanceName[1].val;
                    gl_Position = gl_in[1].gl_Position;
                    EmitVertex();

                    geo_out = instanceName[2].val;
                    gl_Position = gl_in[2].gl_Position;
                    EmitVertex();
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end

        case array_in_io_block
            version 310 es
            desc "Float array in a io block between tessellation and geometry shaders"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                input float in0 = 1.0;
                output float out0 = 1.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                out mediump float vtx_out;
                void main()
                {
                    vtx_out = in0;
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                in mediump float vtx_out[];
                out mediump float tc_out[];
                void main()
                {
                    tc_out[gl_InvocationID] = vtx_out[gl_InvocationID];
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                in mediump float tc_out[];
                out IOBlockName { mediump float val[2]; } instanceName;
                void main()
                {
                    instanceName.val[0] = tc_out[2] + 1.0;
                    instanceName.val[1] = -1.0;
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                in IOBlockName { mediump float val[2]; } instanceName[];
                out mediump float geo_out;
                void main()
                {
                    geo_out = instanceName[0].val[0] + instanceName[0].val[1];
                    gl_Position = gl_in[0].gl_Position;
                    EmitVertex();

                    geo_out = instanceName[1].val[0] + instanceName[1].val[1];
                    gl_Position = gl_in[1].gl_Position;
                    EmitVertex();

                    geo_out = instanceName[2].val[0] + instanceName[2].val[1];
                    gl_Position = gl_in[2].gl_Position;
                    EmitVertex();
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end
    end

    import "linkage_tessellation_geometry_varying_types.test"
end

group uniform "Uniform linkage"
    group rules "Rules"
        case type_mismatch_1
            version 310 es
            desc "Uniform type mismatch"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            expect link_fail
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                void main()
                {
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                void main()
                {
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                uniform mediump float u_value;
                out mediump float te_out;
                void main()
                {
                    te_out = u_value;
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                uniform mediump vec2 u_value;
                in mediump float te_out[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = te_out[ndx] + u_value.y;
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    ${FRAG_COLOR} = vec4(geo_out);
                }
            ""
        end

        case precision_mismatch_1
            version 310 es
            desc "Uniform precision mismatch"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            expect link_fail
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                void main()
                {
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                void main()
                {
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                uniform mediump float u_value;
                out mediump float te_out;
                void main()
                {
                    te_out = u_value;
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                uniform highp float u_value;
                in mediump float te_out[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = te_out[ndx] + u_value;
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    ${FRAG_COLOR} = vec4(geo_out);
                }
            ""
        end

        case struct_partial_usage
            version 310 es
            desc "Uniform precision mismatch"
            require extension { "GL_OES_tessellation_shader" | "GL_EXT_tessellation_shader" } in { tessellation_control, tessellation_evaluation }
            require extension { "GL_OES_geometry_shader" | "GL_EXT_geometry_shader" } in { geometry }
            values
            {
                uniform float u_value.teVal = 1.0;
                uniform float u_value.geoVal = 2.0;
                output float out0 = 5.0;
            }
            vertex ""
                #version 310 es
                ${VERTEX_DECLARATIONS}
                void main()
                {
                    ${VERTEX_OUTPUT}
                }
            ""
            tessellation_control ""
                #version 310 es
                ${TESSELLATION_CONTROL_DECLARATIONS}
                void main()
                {
                    ${TESSELLATION_CONTROL_OUTPUT}
                }
            ""
            tessellation_evaluation ""
                #version 310 es
                ${TESSELLATION_EVALUATION_DECLARATIONS}
                struct S
                {
                    mediump float teVal;
                    mediump float geoVal;
                };
                uniform S u_value;
                out mediump float te_out;
                void main()
                {
                    te_out = u_value.teVal;
                    ${TESSELLATION_EVALUATION_OUTPUT}
                }
            ""
            geometry ""
                #version 310 es
                ${GEOMETRY_DECLARATIONS}
                struct S
                {
                    mediump float teVal;
                    mediump float geoVal;
                };
                uniform S u_value;
                in mediump float te_out[];
                out mediump float geo_out;
                void main()
                {
                    for (int ndx = 0; ndx < gl_in.length(); ++ndx)
                    {
                        geo_out = te_out[ndx] + 2.0 * u_value.geoVal;
                        gl_Position = gl_in[ndx].gl_Position;
                        EmitVertex();
                    }
                }
            ""
            fragment ""
                #version 310 es
                precision mediump float;
                ${FRAGMENT_DECLARATIONS}
                in mediump float geo_out;
                void main()
                {
                    out0 = geo_out;
                    ${FRAGMENT_OUTPUT}
                }
            ""
        end
    end
end