/*------------------------------------------------------------------------- * drawElements Quality Program OpenGL ES 2.0 Module * ------------------------------------------------- * * Copyright 2014 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. * *//*! * \file * \brief gl_FragData[] tests. *//*--------------------------------------------------------------------*/ #include "es2fShaderFragDataTests.hpp" #include "glsShaderLibrary.hpp" #include "gluRenderContext.hpp" #include "gluShaderProgram.hpp" #include "gluDrawUtil.hpp" #include "gluPixelTransfer.hpp" #include "gluObjectWrapper.hpp" #include "tcuRenderTarget.hpp" #include "tcuStringTemplate.hpp" #include "tcuTestLog.hpp" #include "tcuSurface.hpp" #include "glwFunctions.hpp" #include "glwEnums.hpp" namespace deqp { namespace gles2 { namespace Functional { using std::string; using tcu::TestLog; namespace { enum IndexExprType { INDEX_EXPR_STATIC = 0, INDEX_EXPR_UNIFORM, INDEX_EXPR_DYNAMIC, INDEX_EXPR_TYPE_LAST }; static bool compareSingleColor(tcu::TestLog &log, const tcu::Surface &surface, tcu::RGBA expectedColor, tcu::RGBA threshold) { const int maxPrints = 10; int numFailedPixels = 0; log << TestLog::Message << "Expecting " << expectedColor << " with threshold " << threshold << TestLog::EndMessage; for (int y = 0; y < surface.getHeight(); y++) { for (int x = 0; x < surface.getWidth(); x++) { const tcu::RGBA resultColor = surface.getPixel(x, y); const bool isOk = compareThreshold(resultColor, expectedColor, threshold); if (!isOk) { if (numFailedPixels < maxPrints) log << TestLog::Message << "ERROR: Got " << resultColor << " at (" << x << ", " << y << ")!" << TestLog::EndMessage; else if (numFailedPixels == maxPrints) log << TestLog::Message << "..." << TestLog::EndMessage; numFailedPixels += 1; } } } if (numFailedPixels > 0) { log << TestLog::Message << "Found " << numFailedPixels << " invalid pixels, comparison FAILED!" << TestLog::EndMessage; log << TestLog::Image("ResultImage", "Result Image", surface); return false; } else { log << TestLog::Message << "Image comparison passed." << TestLog::EndMessage; return true; } } class FragDataIndexingCase : public TestCase { public: FragDataIndexingCase(Context &context, const char *name, const char *description, IndexExprType indexExprType) : TestCase(context, name, description) , m_indexExprType(indexExprType) { } static glu::ProgramSources genSources(const IndexExprType indexExprType) { const char *const fragIndexExpr = indexExprType == INDEX_EXPR_STATIC ? "0" : indexExprType == INDEX_EXPR_UNIFORM ? "u_index" : indexExprType == INDEX_EXPR_DYNAMIC ? "int(v_index)" : DE_NULL; glu::ProgramSources sources; DE_ASSERT(fragIndexExpr); sources << glu::VertexSource("attribute highp vec4 a_position;\n" "attribute highp float a_index;\n" "attribute highp vec4 a_color;\n" "varying mediump float v_index;\n" "varying mediump vec4 v_color;\n" "void main (void)\n" "{\n" " gl_Position = a_position;\n" " v_color = a_color;\n" " v_index = a_index;\n" "}\n"); sources << glu::FragmentSource(string("varying mediump vec4 v_color;\n" "varying mediump float v_index;\n" "uniform mediump int u_index;\n" "void main (void)\n" "{\n" " gl_FragData[") + fragIndexExpr + "] = v_color;\n" "}\n"); return sources; } IterateResult iterate(void) { const glu::RenderContext &renderCtx = m_context.getRenderContext(); const glw::Functions &gl = renderCtx.getFunctions(); const glu::ShaderProgram program(renderCtx, genSources(m_indexExprType)); const int viewportW = de::min(renderCtx.getRenderTarget().getWidth(), 128); const int viewportH = de::min(renderCtx.getRenderTarget().getHeight(), 128); const float positions[] = {-1.0f, -1.0f, +1.0f, -1.0f, -1.0f, +1.0f, +1.0f, +1.0f}; const float colors[] = {0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f}; const float indexValues[] = {0.0f, 0.0f, 0.0f, 0.0f}; const uint8_t indices[] = {0, 1, 2, 2, 1, 3}; const glu::VertexArrayBinding vertexArrays[] = {glu::va::Float("a_position", 2, 4, 0, &positions[0]), glu::va::Float("a_color", 4, 4, 0, &colors[0]), glu::va::Float("a_index", 1, 4, 0, &indexValues[0])}; m_testCtx.getLog() << program; if (!program.isOk()) { if (m_indexExprType == INDEX_EXPR_STATIC) TCU_FAIL("Compile failed"); else throw tcu::NotSupportedError("Dynamic indexing of gl_FragData[] not supported"); } gl.clearColor(1.0f, 0.0f, 0.0f, 1.0f); gl.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); gl.viewport(0, 0, viewportW, viewportH); gl.useProgram(program.getProgram()); gl.uniform1i(gl.getUniformLocation(program.getProgram(), "u_index"), 0); glu::draw(renderCtx, program.getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), &vertexArrays[0], glu::pr::Triangles(DE_LENGTH_OF_ARRAY(indices), &indices[0])); GLU_EXPECT_NO_ERROR(gl.getError(), "Rendering failed"); { tcu::Surface result(viewportW, viewportH); const tcu::RGBA threshold = renderCtx.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1, 1, 1, 1); bool isOk; glu::readPixels(renderCtx, 0, 0, result.getAccess()); GLU_EXPECT_NO_ERROR(gl.getError(), "Reading pixels failed"); isOk = compareSingleColor(m_testCtx.getLog(), result, tcu::RGBA::green(), threshold); m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, isOk ? "Pass" : "Image comparison failed"); } return STOP; } private: const IndexExprType m_indexExprType; }; } // namespace ShaderFragDataTests::ShaderFragDataTests(Context &context) : TestCaseGroup(context, "fragdata", "gl_FragData[] Tests") { } ShaderFragDataTests::~ShaderFragDataTests(void) { } void ShaderFragDataTests::init(void) { addChild(new FragDataIndexingCase(m_context, "valid_static_index", "Valid gl_FragData[] assignment using static index", INDEX_EXPR_STATIC)); addChild(new FragDataIndexingCase(m_context, "valid_uniform_index", "Valid gl_FragData[] assignment using uniform index", INDEX_EXPR_UNIFORM)); addChild(new FragDataIndexingCase(m_context, "valid_dynamic_index", "Valid gl_FragData[] assignment using dynamic index", INDEX_EXPR_DYNAMIC)); // Negative cases. { gls::ShaderLibrary library(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo()); std::vector negativeCases = library.loadShaderFile("shaders/fragdata.test"); for (std::vector::iterator i = negativeCases.begin(); i != negativeCases.end(); i++) addChild(*i); } } } // namespace Functional } // namespace gles2 } // namespace deqp