13c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*------------------------------------------------------------------------- 23c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * drawElements Quality Program OpenGL ES 3.0 Module 33c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * ------------------------------------------------- 43c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 53c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Copyright 2014 The Android Open Source Project 63c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 73c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Licensed under the Apache License, Version 2.0 (the "License"); 83c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * you may not use this file except in compliance with the License. 93c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * You may obtain a copy of the License at 103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * http://www.apache.org/licenses/LICENSE-2.0 123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Unless required by applicable law or agreed to in writing, software 143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * distributed under the License is distributed on an "AS IS" BASIS, 153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * See the License for the specific language governing permissions and 173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * limitations under the License. 183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*! 203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \file 213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief Shader return statement tests. 223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "es3fShaderReturnTests.hpp" 253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "glsShaderRenderCase.hpp" 263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuStringTemplate.hpp" 273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include <map> 293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include <sstream> 303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include <string> 313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 323c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::StringTemplate; 333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 343c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::map; 353c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::string; 363c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::ostringstream; 373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 383c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing namespace glu; 393c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing namespace deqp::gls; 403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 413c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace deqp 423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 433c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace gles3 443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 453c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace Functional 463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 483c827367444ee418f129b2c238299f49d3264554Jarkko Poyryenum ReturnMode 493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry RETURNMODE_ALWAYS = 0, 513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry RETURNMODE_NEVER, 523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry RETURNMODE_DYNAMIC, 533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry RETURNMODE_LAST 553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Evaluation functions 583c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline void evalReturnAlways (ShaderEvalContext& c) { c.color.xyz() = c.coords.swizzle(0,1,2); } 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline void evalReturnNever (ShaderEvalContext& c) { c.color.xyz() = c.coords.swizzle(3,2,1); } 603c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline void evalReturnDynamic (ShaderEvalContext& c) { c.color.xyz() = (c.coords.x()+c.coords.y() >= 0.0f) ? c.coords.swizzle(0,1,2) : c.coords.swizzle(3,2,1); } 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic ShaderEvalFunc getEvalFunc (ReturnMode mode) 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_ALWAYS: return evalReturnAlways; 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_NEVER: return evalReturnNever; 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_DYNAMIC: return evalReturnDynamic; 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (ShaderEvalFunc)DE_NULL; 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyryclass ShaderReturnCase : public ShaderRenderCase 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyrypublic: 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry ShaderReturnCase (Context& context, const char* name, const char* description, bool isVertexCase, const char* shaderSource, ShaderEvalFunc evalFunc); 793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry virtual ~ShaderReturnCase (void); 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 823c827367444ee418f129b2c238299f49d3264554Jarkko PoyryShaderReturnCase::ShaderReturnCase (Context& context, const char* name, const char* description, bool isVertexCase, const char* shaderSource, ShaderEvalFunc evalFunc) 833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : ShaderRenderCase(context.getTestContext(), context.getRenderContext(), context.getContextInfo(), name, description, isVertexCase, evalFunc) 843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (isVertexCase) 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_vertShaderSource = shaderSource; 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_fragShaderSource = 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in mediump vec4 v_color;\n" 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "layout(location = 0) out mediump vec4 o_color;\n\n" 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " o_color = v_color;\n" 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_fragShaderSource = shaderSource; 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_vertShaderSource = 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 1023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_position;\n" 1033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_coords;\n" 1043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "out mediump vec4 v_coords;\n\n" 1053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 1063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 1073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 1083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " v_coords = a_coords;\n" 1093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 1103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1133c827367444ee418f129b2c238299f49d3264554Jarkko PoyryShaderReturnCase::~ShaderReturnCase (void) 1143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1173c827367444ee418f129b2c238299f49d3264554Jarkko PoyryShaderReturnTests::ShaderReturnTests (Context& context) 1183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : TestCaseGroup(context, "return", "Return Statement Tests") 1193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1223c827367444ee418f129b2c238299f49d3264554Jarkko PoyryShaderReturnTests::~ShaderReturnTests (void) 1233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1263c827367444ee418f129b2c238299f49d3264554Jarkko PoyryShaderReturnCase* makeConditionalReturnInFuncCase (Context& context, const char* name, const char* description, ReturnMode returnMode, bool isVertex) 1273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Template 1293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry StringTemplate tmpl( 1303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 1313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in ${COORDPREC} vec4 ${COORDS};\n" 1323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${EXTRADECL}\n" 1333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${COORDPREC} vec4 getColor (void)\n" 1343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 1353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " if (${RETURNCOND})\n" 1363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(${COORDS}.xyz, 1.0);\n" 1373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(${COORDS}.wzy, 1.0);\n" 1383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 1393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 1403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 1413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${POSITIONWRITE}" 1423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${OUTPUT} = getColor();\n" 1433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"); 1443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* coords = isVertex ? "a_coords" : "v_coords"; 1463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry map<string, string> params; 1483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["COORDPREC"] = isVertex ? "highp" : "mediump"; 1503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["OUTPUT"] = isVertex ? "v_color" : "o_color"; 1513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["COORDS"] = coords; 1523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["EXTRADECL"] = isVertex ? "in highp vec4 a_position;\nout mediump vec4 v_color;\n" : "layout(location = 0) out mediump vec4 o_color;\n"; 1533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["POSITIONWRITE"] = isVertex ? " gl_Position = a_position;\n" : ""; 1543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (returnMode) 1563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_ALWAYS: params["RETURNCOND"] = "true"; break; 1583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_NEVER: params["RETURNCOND"] = "false"; break; 1593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_DYNAMIC: params["RETURNCOND"] = string(coords) + ".x+" + coords + ".y >= 0.0"; break; 1603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(DE_FALSE); 1613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return new ShaderReturnCase(context, name, description, isVertex, tmpl.specialize(params).c_str(), getEvalFunc(returnMode)); 1643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1663c827367444ee418f129b2c238299f49d3264554Jarkko PoyryShaderReturnCase* makeOutputWriteReturnCase (Context& context, const char* name, const char* description, bool inFunction, ReturnMode returnMode, bool isVertex) 1673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Template 1693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry StringTemplate tmpl( 1703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry inFunction 1713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry ? 1723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 1733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in ${COORDPREC} vec4 ${COORDS};\n" 1743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${EXTRADECL}\n" 1753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void myfunc (void)\n" 1763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 1773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${OUTPUT} = vec4(${COORDS}.xyz, 1.0);\n" 1783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " if (${RETURNCOND})\n" 1793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return;\n" 1803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${OUTPUT} = vec4(${COORDS}.wzy, 1.0);\n" 1813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 1823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 1833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 1843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${POSITIONWRITE}" 1853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " myfunc();\n" 1863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n" 1873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : 1883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 1893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in ${COORDPREC} vec4 ${COORDS};\n" 1903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform mediump int ui_one;\n" 1913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${EXTRADECL}\n" 1923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main ()\n" 1933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 1943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${POSITIONWRITE}" 1953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${OUTPUT} = vec4(${COORDS}.xyz, 1.0);\n" 1963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " if (${RETURNCOND})\n" 1973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return;\n" 1983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${OUTPUT} = vec4(${COORDS}.wzy, 1.0);\n" 1993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"); 2003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* coords = isVertex ? "a_coords" : "v_coords"; 2023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry map<string, string> params; 2043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["COORDPREC"] = isVertex ? "highp" : "mediump"; 2063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["COORDS"] = coords; 2073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["OUTPUT"] = isVertex ? "v_color" : "o_color"; 2083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["EXTRADECL"] = isVertex ? "in highp vec4 a_position;\nout mediump vec4 v_color;\n" : "layout(location = 0) out mediump vec4 o_color;\n"; 2093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["POSITIONWRITE"] = isVertex ? " gl_Position = a_position;\n" : ""; 2103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (returnMode) 2123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_ALWAYS: params["RETURNCOND"] = "true"; break; 2143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_NEVER: params["RETURNCOND"] = "false"; break; 2153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_DYNAMIC: params["RETURNCOND"] = string(coords) + ".x+" + coords + ".y >= 0.0"; break; 2163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(DE_FALSE); 2173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return new ShaderReturnCase(context, name, description, isVertex, tmpl.specialize(params).c_str(), getEvalFunc(returnMode)); 2203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2223c827367444ee418f129b2c238299f49d3264554Jarkko PoyryShaderReturnCase* makeReturnInLoopCase (Context& context, const char* name, const char* description, bool isDynamicLoop, ReturnMode returnMode, bool isVertex) 2233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Template 2253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry StringTemplate tmpl( 2263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 2273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in ${COORDPREC} vec4 ${COORDS};\n" 2283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform mediump int ui_one;\n" 2293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${EXTRADECL}\n" 2303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${COORDPREC} vec4 getCoords (void)\n" 2313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 2323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${COORDPREC} vec4 coords = ${COORDS};\n" 2333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " for (int i = 0; i < ${ITERLIMIT}; i++)\n" 2343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " {\n" 2353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " if (${RETURNCOND})\n" 2363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return coords;\n" 2373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " coords = coords.wzyx;\n" 2383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " }\n" 2393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return coords;\n" 2403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 2413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 2423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 2433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${POSITIONWRITE}" 2443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${OUTPUT} = vec4(getCoords().xyz, 1.0);\n" 2453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"); 2463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* coords = isVertex ? "a_coords" : "v_coords"; 2483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry map<string, string> params; 2503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["COORDPREC"] = isVertex ? "highp" : "mediump"; 2523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["OUTPUT"] = isVertex ? "v_color" : "o_color"; 2533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["COORDS"] = coords; 2543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["EXTRADECL"] = isVertex ? "in highp vec4 a_position;\nout mediump vec4 v_color;\n" : "layout(location = 0) out mediump vec4 o_color;\n"; 2553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["POSITIONWRITE"] = isVertex ? " gl_Position = a_position;\n" : ""; 2563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["ITERLIMIT"] = isDynamicLoop ? "ui_one" : "1"; 2573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (returnMode) 2593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_ALWAYS: params["RETURNCOND"] = "true"; break; 2613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_NEVER: params["RETURNCOND"] = "false"; break; 2623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_DYNAMIC: params["RETURNCOND"] = string(coords) + ".x+" + coords + ".y >= 0.0"; break; 2633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(DE_FALSE); 2643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return new ShaderReturnCase(context, name, description, isVertex, tmpl.specialize(params).c_str(), getEvalFunc(returnMode)); 2673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2693c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic const char* getReturnModeName (ReturnMode mode) 2703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 2723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_ALWAYS: return "always"; 2743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_NEVER: return "never"; 2753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_DYNAMIC: return "dynamic"; 2763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 2773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 2783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return DE_NULL; 2793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2823c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic const char* getReturnModeDesc (ReturnMode mode) 2833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 2853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_ALWAYS: return "Always return"; 2873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_NEVER: return "Never return"; 2883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case RETURNMODE_DYNAMIC: return "Return based on coords"; 2893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 2903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 2913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return DE_NULL; 2923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2953c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid ShaderReturnTests::init (void) 2963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Single return statement in function. 2983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "single_return_vertex", "Single return statement in function", true, 2993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 3003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_position;\n" 3013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_coords;\n" 3023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "out highp vec4 v_color;\n\n" 3033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "vec4 getColor (void)\n" 3043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(a_coords.xyz, 1.0);\n" 3063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 3073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 3083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 3103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " v_color = getColor();\n" 3113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 3123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "single_return_fragment", "Single return statement in function", false, 3133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 3143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in mediump vec4 v_coords;\n" 3153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "layout(location = 0) out mediump vec4 o_color;\n" 3163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "mediump vec4 getColor (void)\n" 3173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(v_coords.xyz, 1.0);\n" 3193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 3203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 3213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " o_color = getColor();\n" 3233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 3243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Conditional return statement in function. 3263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int returnMode = 0; returnMode < RETURNMODE_LAST; returnMode++) 3273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int isFragment = 0; isFragment < 2; isFragment++) 3293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry string name = string("conditional_return_") + getReturnModeName((ReturnMode)returnMode) + (isFragment ? "_fragment" : "_vertex"); 3313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry string description = string(getReturnModeDesc((ReturnMode)returnMode)) + " in function"; 3323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(makeConditionalReturnInFuncCase(m_context, name.c_str(), description.c_str(), (ReturnMode)returnMode, isFragment == 0)); 3333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Unconditional double return in function. 3373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "double_return_vertex", "Unconditional double return in function", true, 3383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 3393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_position;\n" 3403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_coords;\n" 3413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "out highp vec4 v_color;\n\n" 3423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "vec4 getColor (void)\n" 3433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(a_coords.xyz, 1.0);\n" 3453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(a_coords.wzy, 1.0);\n" 3463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 3473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 3483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 3503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " v_color = getColor();\n" 3513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 3523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "double_return_fragment", "Unconditional double return in function", false, 3533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 3543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in mediump vec4 v_coords;\n" 3553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "layout(location = 0) out mediump vec4 o_color;\n\n" 3563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "mediump vec4 getColor (void)\n" 3573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(v_coords.xyz, 1.0);\n" 3593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return vec4(v_coords.wzy, 1.0);\n" 3603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 3613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 3623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " o_color = getColor();\n" 3643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 3653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Last statement in main. 3673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "last_statement_in_main_vertex", "Return as a final statement in main()", true, 3683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 3693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_position;\n" 3703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_coords;\n" 3713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "out highp vec4 v_color;\n\n" 3723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 3733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 3753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " v_color = vec4(a_coords.xyz, 1.0);\n" 3763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return;\n" 3773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 3783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "last_statement_in_main_fragment", "Return as a final statement in main()", false, 3793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 3803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in mediump vec4 v_coords;\n" 3813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "layout(location = 0) out mediump vec4 o_color;\n\n" 3823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 3833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 3843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " o_color = vec4(v_coords.xyz, 1.0);\n" 3853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return;\n" 3863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 3873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Return between output variable writes. 3893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int inFunc = 0; inFunc < 2; inFunc++) 3903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int returnMode = 0; returnMode < RETURNMODE_LAST; returnMode++) 3923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int isFragment = 0; isFragment < 2; isFragment++) 3943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry string name = string("output_write_") + (inFunc ? "in_func_" : "") + getReturnModeName((ReturnMode)returnMode) + (isFragment ? "_fragment" : "_vertex"); 3963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry string desc = string(getReturnModeDesc((ReturnMode)returnMode)) + (inFunc ? " in user-defined function" : " in main()") + " between output writes"; 3973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(makeOutputWriteReturnCase(m_context, name.c_str(), desc.c_str(), inFunc != 0, (ReturnMode)returnMode, isFragment == 0)); 3993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Conditional return statement in loop. 4043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int isDynamicLoop = 0; isDynamicLoop < 2; isDynamicLoop++) 4053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int returnMode = 0; returnMode < RETURNMODE_LAST; returnMode++) 4073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int isFragment = 0; isFragment < 2; isFragment++) 4093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry string name = string("return_in_") + (isDynamicLoop ? "dynamic" : "static") + "_loop_" + getReturnModeName((ReturnMode)returnMode) + (isFragment ? "_fragment" : "_vertex"); 4113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry string description = string(getReturnModeDesc((ReturnMode)returnMode)) + " in loop"; 4123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(makeReturnInLoopCase(m_context, name.c_str(), description.c_str(), isDynamicLoop != 0, (ReturnMode)returnMode, isFragment == 0)); 4133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Unconditional return in infinite loop. 4183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "return_in_infinite_loop_vertex", "Return in infinite loop", true, 4193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 4203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_position;\n" 4213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in highp vec4 a_coords;\n" 4223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "out highp vec4 v_color;\n" 4233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform int ui_zero;\n\n" 4243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "highp vec4 getCoords (void)\n" 4253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 4263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " for (int i = 1; i < 10; i += ui_zero)\n" 4273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return a_coords;\n" 4283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return a_coords.wzyx;\n" 4293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 4303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 4313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 4323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 4333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " v_color = vec4(getCoords().xyz, 1.0);\n" 4343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return;\n" 4353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 4363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(new ShaderReturnCase(m_context, "return_in_infinite_loop_fragment", "Return in infinite loop", false, 4373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "#version 300 es\n" 4383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "in mediump vec4 v_coords;\n" 4393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "layout(location = 0) out mediump vec4 o_color;\n" 4403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform int ui_zero;\n\n" 4413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "mediump vec4 getCoords (void)\n" 4423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 4433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " for (int i = 1; i < 10; i += ui_zero)\n" 4443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return v_coords;\n" 4453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return v_coords.wzyx;\n" 4463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n\n" 4473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 4483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 4493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " o_color = vec4(getCoords().xyz, 1.0);\n" 4503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " return;\n" 4513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n", evalReturnAlways)); 4523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // Functional 4553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // gles3 4563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // deqp 457