| /*------------------------------------------------------------------------- |
| * drawElements Quality Program OpenGL ES 3.0 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 GLSL ES 1.0 gl_FragData[] tests. |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "es3fShaderFragDataTests.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 gles3 |
| { |
| 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 deUint8 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; |
| }; |
| |
| class FragDataDrawBuffersCase : public TestCase |
| { |
| public: |
| FragDataDrawBuffersCase (Context& context) |
| : TestCase(context, "draw_buffers", "gl_FragData[] and glDrawBuffers() interaction") |
| { |
| } |
| |
| IterateResult iterate (void) |
| { |
| const glu::RenderContext& renderCtx = m_context.getRenderContext(); |
| const glu::ShaderProgram program (renderCtx, glu::ProgramSources() |
| << glu::VertexSource( |
| "attribute highp vec4 a_position;\n" |
| "attribute highp vec4 a_color;\n" |
| "varying mediump vec4 v_color;\n" |
| "void main (void)\n" |
| "{\n" |
| " gl_Position = a_position;\n" |
| " v_color = a_color;\n" |
| "}\n") |
| << glu::FragmentSource( |
| "varying mediump vec4 v_color;\n" |
| "uniform mediump int u_index;\n" |
| "void main (void)\n" |
| "{\n" |
| " gl_FragData[u_index] = v_color;\n" |
| "}\n")); |
| const glw::Functions& gl = renderCtx.getFunctions(); |
| const int width = 128; |
| const int height = 128; |
| const int indexLoc = program.isOk() ? gl.getUniformLocation(program.getProgram(), "u_index") : -1; |
| const glu::Framebuffer fbo (renderCtx); |
| const glu::Renderbuffer colorBuf0 (renderCtx); |
| const glu::Renderbuffer colorBuf1 (renderCtx); |
| |
| 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 deUint8 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]) |
| }; |
| |
| m_testCtx.getLog() << program; |
| |
| if (!program.isOk()) |
| throw tcu::NotSupportedError("Dynamic indexing of gl_FragData[] not supported"); |
| |
| gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); |
| for (int ndx = 0; ndx < 2; ndx++) |
| { |
| const deUint32 rbo = ndx == 0 ? *colorBuf0 : *colorBuf1; |
| |
| gl.bindRenderbuffer(GL_RENDERBUFFER, rbo); |
| gl.renderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, width, height); |
| gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+ndx, GL_RENDERBUFFER, rbo); |
| } |
| TCU_CHECK(gl.checkFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE); |
| |
| { |
| const deUint32 drawBuffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 }; |
| gl.drawBuffers(DE_LENGTH_OF_ARRAY(drawBuffers), &drawBuffers[0]); |
| } |
| |
| gl.clearBufferfv(GL_COLOR, 0, tcu::RGBA::red().toVec().getPtr()); |
| gl.clearBufferfv(GL_COLOR, 1, tcu::RGBA::red().toVec().getPtr()); |
| |
| gl.viewport (0, 0, width, height); |
| gl.useProgram (program.getProgram()); |
| |
| GLU_EXPECT_NO_ERROR(gl.getError(), "Setup failed"); |
| |
| m_testCtx.getLog() << TestLog::Message << "Drawing to attachments 0 and 1, expecting only attachment 0 to change." << TestLog::EndMessage; |
| |
| for (int ndx = 0; ndx < 2; ndx++) |
| { |
| gl.uniform1i(indexLoc, ndx); |
| 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 (width, height); |
| const tcu::RGBA threshold = renderCtx.getRenderTarget().getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1); |
| bool allOk = true; |
| |
| for (int ndx = 0; ndx < 2; ndx++) |
| { |
| m_testCtx.getLog() << TestLog::Message << "Verifying attachment " << ndx << "..." << TestLog::EndMessage; |
| |
| gl.readBuffer(GL_COLOR_ATTACHMENT0+ndx); |
| glu::readPixels(renderCtx, 0, 0, result.getAccess()); |
| GLU_EXPECT_NO_ERROR(gl.getError(), "Reading pixels failed"); |
| |
| if (!compareSingleColor(m_testCtx.getLog(), result, ndx == 0 ? tcu::RGBA::green() : tcu::RGBA::red(), threshold)) |
| allOk = false; |
| } |
| |
| m_testCtx.setTestResult(allOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, |
| allOk ? "Pass" : "Image comparison failed"); |
| } |
| |
| return STOP; |
| } |
| }; |
| |
| } // anonymous |
| |
| 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)); |
| addChild(new FragDataDrawBuffersCase (m_context)); |
| |
| // Negative cases. |
| { |
| gls::ShaderLibrary library(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo()); |
| std::vector<tcu::TestNode*> negativeCases = library.loadShaderFile("shaders/fragdata.test"); |
| |
| for (std::vector<tcu::TestNode*>::iterator i = negativeCases.begin(); i != negativeCases.end(); i++) |
| addChild(*i); |
| } |
| } |
| |
| } // Functional |
| } // gles3 |
| } // deqp |