| /*------------------------------------------------------------------------- |
| * 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 Clipping tests. |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "es3fClippingTests.hpp" |
| #include "tcuRenderTarget.hpp" |
| #include "tcuTextureUtil.hpp" |
| #include "tcuImageCompare.hpp" |
| #include "tcuVectorUtil.hpp" |
| #include "deStringUtil.hpp" |
| #include "deRandom.hpp" |
| |
| #include "sglrReferenceContext.hpp" |
| #include "sglrGLContext.hpp" |
| |
| #include "glwEnums.hpp" |
| #include "glwDefs.hpp" |
| #include "glwFunctions.hpp" |
| |
| using namespace glw; // GLint and other GL types |
| |
| namespace deqp |
| { |
| namespace gles3 |
| { |
| namespace Functional |
| { |
| namespace |
| { |
| |
| using tcu::PixelBufferAccess; |
| using tcu::ConstPixelBufferAccess; |
| using tcu::TestLog; |
| |
| static const tcu::Vec4 MASK_COLOR_OK = tcu::Vec4(0.0f, 0.1f, 0.0f, 1.0f); |
| static const tcu::Vec4 MASK_COLOR_DEV = tcu::Vec4(0.8f, 0.5f, 0.0f, 1.0f); |
| static const tcu::Vec4 MASK_COLOR_FAIL = tcu::Vec4(1.0f, 0.0f, 1.0f, 1.0f); |
| |
| const int TEST_CANVAS_SIZE = 200; |
| const rr::WindowRectangle VIEWPORT_WHOLE (0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| const rr::WindowRectangle VIEWPORT_CENTER (TEST_CANVAS_SIZE/4, TEST_CANVAS_SIZE/4, TEST_CANVAS_SIZE/2, TEST_CANVAS_SIZE/2); |
| const rr::WindowRectangle VIEWPORT_CORNER (TEST_CANVAS_SIZE/2, TEST_CANVAS_SIZE/2, TEST_CANVAS_SIZE/2, TEST_CANVAS_SIZE/2); |
| |
| |
| const char* shaderSourceVertex = "#version 300 es\n" |
| "in highp vec4 a_position;\n" |
| "in highp vec4 a_color;\n" |
| "in highp float a_pointSize;\n" |
| "out highp vec4 varFragColor;\n" |
| "void main (void)\n" |
| "{\n" |
| " gl_Position = a_position;\n" |
| " gl_PointSize = a_pointSize;\n" |
| " varFragColor = a_color;\n" |
| "}\n"; |
| const char* shaderSourceFragment = "#version 300 es\n" |
| "layout(location = 0) out mediump vec4 fragColor;" |
| "in highp vec4 varFragColor;\n" |
| "void main (void)\n" |
| "{\n" |
| " fragColor = varFragColor;\n" |
| "}\n"; |
| |
| inline bool isBlack (const tcu::IVec4& a) |
| { |
| return a.x() == 0 && a.y() == 0 && a.z() == 0; |
| } |
| |
| inline bool isHalfFilled (const tcu::IVec4& a) |
| { |
| const tcu::IVec4 halfFilled (127, 0, 0, 0); |
| const tcu::IVec4 threshold (20, 256, 256, 256); |
| |
| return tcu::boolAll(tcu::lessThanEqual(tcu::abs(a - halfFilled), threshold)); |
| } |
| |
| inline bool isLessThanHalfFilled (const tcu::IVec4& a) |
| { |
| const int halfFilled = 127; |
| const int threshold = 20; |
| |
| return a.x() + threshold < halfFilled; |
| } |
| |
| inline bool compareBlackNonBlackPixels (const tcu::IVec4& a, const tcu::IVec4& b) |
| { |
| return isBlack(a) == isBlack(b); |
| } |
| |
| inline bool compareColoredPixels (const tcu::IVec4& a, const tcu::IVec4& b) |
| { |
| const bool aIsBlack = isBlack(a); |
| const bool bIsBlack = isBlack(b); |
| const tcu::IVec4 threshold(20, 20, 20, 0); |
| |
| if (aIsBlack && bIsBlack) |
| return true; |
| if (aIsBlack != bIsBlack) |
| return false; |
| |
| return tcu::boolAll(tcu::lessThanEqual(tcu::abs(a - b), threshold)); |
| } |
| |
| void blitImageOnBlackSurface(const ConstPixelBufferAccess& src, const PixelBufferAccess& dst) |
| { |
| const int height = src.getHeight(); |
| const int width = src.getWidth(); |
| |
| for (int y = 0; y < height; y++) |
| for (int x = 0; x < width; x++) |
| { |
| const tcu::IVec4 cSrc = src.getPixelInt(x, y); |
| const tcu::IVec4 cDst = tcu::IVec4(cSrc.x(), cSrc.y(), cSrc.z(), 255); |
| |
| dst.setPixel(cDst, x, y); |
| } |
| } |
| |
| /*--------------------------------------------------------------------*//*! |
| * \brief Pixelwise comparison of two images. |
| * \note copied & modified from glsRasterizationTests |
| * |
| * Kernel radius defines maximum allowed distance. If radius is 0, only |
| * perfect match is allowed. Radius of 1 gives a 3x3 kernel. Pixels are |
| * equal if pixelCmp returns true.. |
| * |
| * Return values: -1 = Perfect match |
| * 0 = Deviation within kernel |
| * >0 = Number of faulty pixels |
| *//*--------------------------------------------------------------------*/ |
| inline int compareImages (tcu::TestLog& log, const ConstPixelBufferAccess& test, const ConstPixelBufferAccess& ref, const PixelBufferAccess& diffMask, int kernelRadius, bool (*pixelCmp)(const tcu::IVec4& a, const tcu::IVec4& b)) |
| { |
| const int height = test.getHeight(); |
| const int width = test.getWidth(); |
| int deviatingPixels = 0; |
| int faultyPixels = 0; |
| int compareFailed = -1; |
| |
| tcu::clear(diffMask, MASK_COLOR_OK); |
| |
| for (int y = 0; y < height; y++) |
| { |
| for (int x = 0; x < width; x++) |
| { |
| const tcu::IVec4 cRef = ref.getPixelInt(x, y); |
| const tcu::IVec4 cTest = test.getPixelInt(x, y); |
| |
| // Pixelwise match, no deviation or fault |
| if ((*pixelCmp)(cRef, cTest)) |
| continue; |
| |
| // Deviation |
| { |
| const int radius = kernelRadius; |
| bool foundRef = false; |
| bool foundTest = false; |
| |
| // edges are considered a "deviation" too. The suitable pixel could be "behind" the edge |
| if (y < radius || x < radius || y + radius >= height || x + radius >= width) |
| { |
| foundRef = true; |
| foundTest = true; |
| } |
| else |
| { |
| // find ref |
| for (int kY = y - radius; kY <= y + radius; kY++) |
| for (int kX = x - radius; kX <= x + radius; kX++) |
| { |
| if ((*pixelCmp)(cRef, test.getPixelInt(kX, kY))) |
| { |
| foundRef = true; |
| break; |
| } |
| } |
| |
| // find result |
| for (int kY = y - radius; kY <= y + radius; kY++) |
| for (int kX = x - radius; kX <= x + radius; kX++) |
| { |
| if ((*pixelCmp)(cTest, ref.getPixelInt(kX, kY))) |
| { |
| foundTest = true; |
| break; |
| } |
| } |
| } |
| |
| // A pixel is deviating if the reference color is found inside the kernel and (~= every pixel reference draws must be drawn by the gl too) |
| // the result color is found in the reference image inside the kernel (~= every pixel gl draws must be drawn by the reference too) |
| if (foundRef && foundTest) |
| { |
| diffMask.setPixel(MASK_COLOR_DEV, x, y); |
| if (compareFailed == -1) |
| compareFailed = 0; |
| deviatingPixels++; |
| continue; |
| } |
| } |
| |
| diffMask.setPixel(MASK_COLOR_FAIL, x, y); |
| faultyPixels++; // The pixel is faulty if the color is not found |
| compareFailed = 1; |
| } |
| } |
| |
| log << TestLog::Message << deviatingPixels << " deviating pixel(s) found." << TestLog::EndMessage; |
| log << TestLog::Message << faultyPixels << " faulty pixel(s) found." << TestLog::EndMessage; |
| |
| return (compareFailed == 1 ? faultyPixels : compareFailed); |
| } |
| |
| /*--------------------------------------------------------------------*//*! |
| * \brief Pixelwise comparison of two images. |
| * |
| * Kernel radius defines maximum allowed distance. If radius is 0, only |
| * perfect match is allowed. Radius of 1 gives a 3x3 kernel. Pixels are |
| * equal if they both are black, or both are non-black. |
| * |
| * Return values: -1 = Perfect match |
| * 0 = Deviation within kernel |
| * >0 = Number of faulty pixels |
| *//*--------------------------------------------------------------------*/ |
| int compareBlackNonBlackImages (tcu::TestLog& log, const ConstPixelBufferAccess& test, const ConstPixelBufferAccess& ref, const PixelBufferAccess& diffMask, int kernelRadius) |
| { |
| return compareImages(log, test, ref, diffMask, kernelRadius, compareBlackNonBlackPixels); |
| } |
| |
| /*--------------------------------------------------------------------*//*! |
| * \brief Pixelwise comparison of two images. |
| * |
| * Kernel radius defines maximum allowed distance. If radius is 0, only |
| * perfect match is allowed. Radius of 1 gives a 3x3 kernel. Pixels are |
| * equal if they both are black, or both are non-black with color values |
| * close to each other. |
| * |
| * Return values: -1 = Perfect match |
| * 0 = Deviation within kernel |
| * >0 = Number of faulty pixels |
| *//*--------------------------------------------------------------------*/ |
| int compareColoredImages (tcu::TestLog& log, const ConstPixelBufferAccess& test, const ConstPixelBufferAccess& ref, const PixelBufferAccess& diffMask, int kernelRadius) |
| { |
| return compareImages(log, test, ref, diffMask, kernelRadius, compareColoredPixels); |
| } |
| |
| /*--------------------------------------------------------------------*//*! |
| * \brief Overdraw check verification |
| * |
| * Check that image does not have at any point a |
| * pixel with red component value > 0.5 |
| * |
| * Return values: false = area not filled, or leaking |
| *//*--------------------------------------------------------------------*/ |
| bool checkHalfFilledImageOverdraw (tcu::TestLog& log, const tcu::RenderTarget& m_renderTarget, const ConstPixelBufferAccess& image, const PixelBufferAccess& output) |
| { |
| const int height = image.getHeight(); |
| const int width = image.getWidth(); |
| |
| bool faulty = false; |
| |
| tcu::clear(output, MASK_COLOR_OK); |
| |
| for (int y = 0; y < height; y++) |
| { |
| for (int x = 0; x < width; x++) |
| { |
| const tcu::IVec4 cTest = image.getPixelInt(x, y); |
| |
| const bool pixelValid = isBlack(cTest) || isHalfFilled(cTest) || (m_renderTarget.getNumSamples() > 1 && isLessThanHalfFilled(cTest)); |
| |
| if (!pixelValid) |
| { |
| output.setPixel(MASK_COLOR_FAIL, x, y); |
| faulty = true; |
| } |
| } |
| } |
| |
| if (faulty) |
| log << TestLog::Message << "Faulty pixel(s) found." << TestLog::EndMessage; |
| |
| return !faulty; |
| } |
| |
| void checkPointSize (const glw::Functions& gl, float pointSize) |
| { |
| GLfloat pointSizeRange[2] = {0,0}; |
| gl.getFloatv(GL_ALIASED_POINT_SIZE_RANGE, pointSizeRange); |
| if (pointSizeRange[1] < pointSize) |
| throw tcu::NotSupportedError("Maximum point size is too low for this test"); |
| } |
| |
| void checkLineWidth (const glw::Functions& gl, float lineWidth) |
| { |
| GLfloat lineWidthRange[2] = {0,0}; |
| gl.getFloatv(GL_ALIASED_LINE_WIDTH_RANGE, lineWidthRange); |
| if (lineWidthRange[1] < lineWidth) |
| throw tcu::NotSupportedError("Maximum line width is too low for this test"); |
| } |
| |
| tcu::Vec3 IVec3ToVec3 (const tcu::IVec3& v) |
| { |
| return tcu::Vec3((float)v.x(), (float)v.y(), (float)v.z()); |
| } |
| |
| bool pointOnTriangle (const tcu::IVec3& p, const tcu::IVec3& t0, const tcu::IVec3& t1, const tcu::IVec3& t2) |
| { |
| // Must be on the plane |
| const tcu::IVec3 n = tcu::cross(t1 - t0, t2 - t0); |
| const tcu::IVec3 d = (p - t0); |
| |
| if (tcu::dot(n, d)) |
| return false; |
| |
| // Must be within the triangle area |
| if (deSign32(tcu::dot(n, tcu::cross(t1 - t0, p - t0))) == deSign32(tcu::dot(n, tcu::cross(t2 - t0, p - t0)))) |
| return false; |
| if (deSign32(tcu::dot(n, tcu::cross(t2 - t1, p - t1))) == deSign32(tcu::dot(n, tcu::cross(t0 - t1, p - t1)))) |
| return false; |
| if (deSign32(tcu::dot(n, tcu::cross(t0 - t2, p - t2))) == deSign32(tcu::dot(n, tcu::cross(t1 - t2, p - t2)))) |
| return false; |
| |
| return true; |
| } |
| |
| bool pointsOnLine (const tcu::IVec2& t0, const tcu::IVec2& t1, const tcu::IVec2& t2) |
| { |
| return (t1 - t0).x() * (t2 - t0).y() - (t2 - t0).x() * (t1 - t0).y() == 0; |
| } |
| |
| // returns true for cases where polygon is (almost) along xz or yz planes (normal.z < 0.1) |
| // \note[jarkko] Doesn't have to be accurate, just to detect some obviously bad cases |
| bool twoPointClippedTriangleInvisible(const tcu::Vec3& p, const tcu::IVec3& dir1, const tcu::IVec3& dir2) |
| { |
| // fixed-point-like coords |
| const deInt64 fixedScale = 64; |
| const deInt64 farValue = 1024; |
| const tcu::Vector<deInt64, 3> d1 = tcu::Vector<deInt64, 3>(dir1.x(), dir1.y(), dir1.z()); |
| const tcu::Vector<deInt64, 3> d2 = tcu::Vector<deInt64, 3>(dir2.x(), dir2.y(), dir2.z()); |
| const tcu::Vector<deInt64, 3> pfixed = tcu::Vector<deInt64, 3>(deFloorFloatToInt32(p.x() * fixedScale), deFloorFloatToInt32(p.y() * fixedScale), deFloorFloatToInt32(p.z() * fixedScale)); |
| const tcu::Vector<deInt64, 3> normalDir = tcu::cross(d1*farValue - pfixed, d2*farValue - pfixed); |
| const deInt64 normalLen2 = tcu::lengthSquared(normalDir); |
| |
| return (normalDir.z() * normalDir.z() - normalLen2/100) < 0; |
| } |
| |
| std::string genClippingPointInfoString(const tcu::Vec4& p) |
| { |
| std::ostringstream msg; |
| |
| if (p.x() < -p.w()) msg << "\t(-X clip)"; |
| if (p.x() > p.w()) msg << "\t(+X clip)"; |
| if (p.y() < -p.w()) msg << "\t(-Y clip)"; |
| if (p.y() > p.w()) msg << "\t(+Y clip)"; |
| if (p.z() < -p.w()) msg << "\t(-Z clip)"; |
| if (p.z() > p.w()) msg << "\t(+Z clip)"; |
| |
| return msg.str(); |
| } |
| |
| std::string genColorString(const tcu::Vec4& p) |
| { |
| const tcu::Vec4 white (1.0f, 1.0f, 1.0f, 1.0f); |
| const tcu::Vec4 red (1.0f, 0.0f, 0.0f, 1.0f); |
| const tcu::Vec4 yellow (1.0f, 1.0f, 0.0f, 1.0f); |
| const tcu::Vec4 blue (0.0f, 0.0f, 1.0f, 1.0f); |
| |
| if (p == white) return "(white)"; |
| if (p == red) return "(red)"; |
| if (p == yellow) return "(yellow)"; |
| if (p == blue) return "(blue)"; |
| return ""; |
| } |
| |
| class PositionColorShader : public sglr::ShaderProgram |
| { |
| public: |
| enum |
| { |
| VARYINGLOC_COLOR = 0 |
| }; |
| |
| PositionColorShader (void); |
| |
| void shadeVertices (const rr::VertexAttrib* inputs, rr::VertexPacket* const* packets, const int numPackets) const; |
| void shadeFragments (rr::FragmentPacket* packets, const int numPackets, const rr::FragmentShadingContext& context) const; |
| }; |
| |
| PositionColorShader::PositionColorShader (void) |
| : sglr::ShaderProgram(sglr::pdec::ShaderProgramDeclaration() |
| << sglr::pdec::VertexAttribute("a_position", rr::GENERICVECTYPE_FLOAT) |
| << sglr::pdec::VertexAttribute("a_color", rr::GENERICVECTYPE_FLOAT) |
| << sglr::pdec::VertexAttribute("a_pointSize", rr::GENERICVECTYPE_FLOAT) |
| << sglr::pdec::VertexToFragmentVarying(rr::GENERICVECTYPE_FLOAT) |
| << sglr::pdec::FragmentOutput(rr::GENERICVECTYPE_FLOAT) |
| << sglr::pdec::VertexSource(shaderSourceVertex) |
| << sglr::pdec::FragmentSource(shaderSourceFragment)) |
| { |
| } |
| |
| void PositionColorShader::shadeVertices (const rr::VertexAttrib* inputs, rr::VertexPacket* const* packets, const int numPackets) const |
| { |
| for (int packetNdx = 0; packetNdx < numPackets; ++packetNdx) |
| { |
| const int positionAttrLoc = 0; |
| const int colorAttrLoc = 1; |
| const int pointSizeAttrLoc = 2; |
| |
| rr::VertexPacket& packet = *packets[packetNdx]; |
| |
| // Transform to position |
| packet.position = rr::readVertexAttribFloat(inputs[positionAttrLoc], packet.instanceNdx, packet.vertexNdx); |
| |
| // output point size |
| packet.pointSize = rr::readVertexAttribFloat(inputs[pointSizeAttrLoc], packet.instanceNdx, packet.vertexNdx).x(); |
| |
| // Pass color to FS |
| packet.outputs[VARYINGLOC_COLOR] = rr::readVertexAttribFloat(inputs[colorAttrLoc], packet.instanceNdx, packet.vertexNdx); |
| } |
| } |
| |
| void PositionColorShader::shadeFragments (rr::FragmentPacket* packets, const int numPackets, const rr::FragmentShadingContext& context) const |
| { |
| for (int packetNdx = 0; packetNdx < numPackets; ++packetNdx) |
| { |
| rr::FragmentPacket& packet = packets[packetNdx]; |
| |
| for (int fragNdx = 0; fragNdx < 4; ++fragNdx) |
| rr::writeFragmentOutput(context, packetNdx, fragNdx, 0, rr::readVarying<float>(packet, context, VARYINGLOC_COLOR, fragNdx)); |
| } |
| } |
| |
| class RenderTestCase : public TestCase |
| { |
| public: |
| RenderTestCase (Context& context, const char* name, const char* description); |
| |
| virtual void testRender (void) = DE_NULL; |
| virtual void init (void) { } |
| |
| IterateResult iterate (void); |
| }; |
| |
| RenderTestCase::RenderTestCase (Context& context, const char* name, const char* description) |
| : TestCase (context, name, description) |
| { |
| } |
| |
| RenderTestCase::IterateResult RenderTestCase::iterate (void) |
| { |
| const int width = m_context.getRenderTarget().getWidth(); |
| const int height = m_context.getRenderTarget().getHeight(); |
| |
| m_testCtx.getLog() << TestLog::Message << "Render target size: " << width << "x" << height << TestLog::EndMessage; |
| if (width < TEST_CANVAS_SIZE || height < TEST_CANVAS_SIZE) |
| throw tcu::NotSupportedError(std::string("Render target size must be at least ") + de::toString(TEST_CANVAS_SIZE) + "x" + de::toString(TEST_CANVAS_SIZE)); |
| |
| m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); // success by default |
| testRender(); |
| |
| return STOP; |
| } |
| |
| class PointCase : public RenderTestCase |
| { |
| public: |
| PointCase (Context& context, const char* name, const char* description, const tcu::Vec4* pointsBegin, const tcu::Vec4* pointsEnd, float pointSize, const rr::WindowRectangle& viewport); |
| |
| void init (void); |
| void testRender (void); |
| |
| private: |
| const std::vector<tcu::Vec4> m_points; |
| const float m_pointSize; |
| const rr::WindowRectangle m_viewport; |
| }; |
| |
| PointCase::PointCase (Context& context, const char* name, const char* description, const tcu::Vec4* pointsBegin, const tcu::Vec4* pointsEnd, float pointSize, const rr::WindowRectangle& viewport) |
| : RenderTestCase(context, name, description) |
| , m_points (pointsBegin, pointsEnd) |
| , m_pointSize (pointSize) |
| , m_viewport (viewport) |
| { |
| } |
| |
| void PointCase::init (void) |
| { |
| const glw::Functions& gl = m_context.getRenderContext().getFunctions(); |
| checkPointSize (gl, m_pointSize); |
| } |
| |
| void PointCase::testRender (void) |
| { |
| using tcu::TestLog; |
| |
| const int numSamples = de::max(m_context.getRenderTarget().getNumSamples(), 1); |
| |
| tcu::TestLog& log = m_testCtx.getLog(); |
| sglr::GLContext glesContext (m_context.getRenderContext(), log, 0, tcu::IVec4(0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE)); |
| sglr::ReferenceContextLimits limits; |
| sglr::ReferenceContextBuffers buffers (m_context.getRenderTarget().getPixelFormat(), m_context.getRenderTarget().getDepthBits(), 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE, numSamples); |
| sglr::ReferenceContext refContext (limits, buffers.getColorbuffer(), buffers.getDepthbuffer(), buffers.getStencilbuffer()); |
| PositionColorShader program; |
| tcu::Surface testSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| tcu::Surface refSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| sglr::Context* contexts[2] = {&glesContext, &refContext}; |
| tcu::Surface* surfaces[2] = {&testSurface, &refSurface}; |
| |
| // log the purpose of the test |
| log << TestLog::Message << "Viewport: left=" << m_viewport.left << "\tbottom=" << m_viewport.bottom << "\twidth=" << m_viewport.width << "\theight=" << m_viewport.height << TestLog::EndMessage; |
| log << TestLog::Message << "Rendering points with point size " << m_pointSize << ". Coordinates:" << TestLog::EndMessage; |
| for (size_t ndx = 0; ndx < m_points.size(); ++ndx) |
| log << TestLog::Message |
| << "\tx=" << m_points[ndx].x() |
| << "\ty=" << m_points[ndx].y() |
| << "\tz=" << m_points[ndx].z() |
| << "\tw=" << m_points[ndx].w() |
| << "\t" << genClippingPointInfoString(m_points[ndx]) |
| << TestLog::EndMessage; |
| |
| for (int contextNdx = 0; contextNdx < 2; ++contextNdx) |
| { |
| sglr::Context& ctx = *contexts[contextNdx]; |
| tcu::Surface& dstSurface = *surfaces[contextNdx]; |
| const deUint32 programId = ctx.createProgram(&program); |
| const GLint positionLoc = ctx.getAttribLocation(programId, "a_position"); |
| const GLint pointSizeLoc = ctx.getAttribLocation(programId, "a_pointSize"); |
| const GLint colorLoc = ctx.getAttribLocation(programId, "a_color"); |
| |
| ctx.clearColor (0, 0, 0, 1); |
| ctx.clearDepthf (1.0f); |
| ctx.clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| ctx.viewport (m_viewport.left, m_viewport.bottom, m_viewport.width, m_viewport.height); |
| ctx.useProgram (programId); |
| ctx.enableVertexAttribArray (positionLoc); |
| ctx.vertexAttribPointer (positionLoc, 4, GL_FLOAT, GL_FALSE, 0, &m_points[0]); |
| ctx.vertexAttrib1f (pointSizeLoc, m_pointSize); |
| ctx.vertexAttrib4f (colorLoc, 1.0f, 1.0f, 1.0f, 1.0f); |
| ctx.drawArrays (GL_POINTS, 0, (glw::GLsizei)m_points.size()); |
| ctx.disableVertexAttribArray (positionLoc); |
| ctx.useProgram (0); |
| ctx.deleteProgram (programId); |
| ctx.finish (); |
| |
| ctx.readPixels(dstSurface, 0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| } |
| |
| // do the comparison |
| { |
| tcu::Surface diffMask (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| const int kernelRadius = 1; |
| int faultyPixels; |
| |
| log << TestLog::Message << "Comparing images... " << TestLog::EndMessage; |
| log << TestLog::Message << "Deviation within radius of " << kernelRadius << " is allowed." << TestLog::EndMessage; |
| |
| faultyPixels = compareBlackNonBlackImages(log, testSurface.getAccess(), refSurface.getAccess(), diffMask.getAccess(), kernelRadius); |
| |
| if (faultyPixels > 0) |
| { |
| log << TestLog::ImageSet("Images", "Image comparison") |
| << TestLog::Image("TestImage", "Test image", testSurface.getAccess()) |
| << TestLog::Image("ReferenceImage", "Reference image", refSurface.getAccess()) |
| << TestLog::Image("DifferenceMask", "Difference mask", diffMask.getAccess()) |
| << TestLog::EndImageSet |
| << tcu::TestLog::Message << "Got " << faultyPixels << " faulty pixel(s)." << tcu::TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| } |
| |
| class LineRenderTestCase : public RenderTestCase |
| { |
| public: |
| struct ColoredLineData |
| { |
| tcu::Vec4 p0; |
| tcu::Vec4 c0; |
| tcu::Vec4 p1; |
| tcu::Vec4 c1; |
| }; |
| |
| struct ColorlessLineData |
| { |
| tcu::Vec4 p0; |
| tcu::Vec4 p1; |
| }; |
| LineRenderTestCase (Context& context, const char* name, const char* description, const ColoredLineData* linesBegin, const ColoredLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport); |
| LineRenderTestCase (Context& context, const char* name, const char* description, const ColorlessLineData* linesBegin, const ColorlessLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport); |
| |
| virtual void verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess) = DE_NULL; |
| void init (void); |
| void testRender (void); |
| |
| protected: |
| const float m_lineWidth; |
| |
| private: |
| std::vector<ColoredLineData> convertToColoredLines (const ColorlessLineData* linesBegin, const ColorlessLineData* linesEnd); |
| |
| const std::vector<ColoredLineData> m_lines; |
| const rr::WindowRectangle m_viewport; |
| }; |
| |
| LineRenderTestCase::LineRenderTestCase (Context& context, const char* name, const char* description, const ColoredLineData* linesBegin, const ColoredLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport) |
| : RenderTestCase (context, name, description) |
| , m_lineWidth (lineWidth) |
| , m_lines (linesBegin, linesEnd) |
| , m_viewport (viewport) |
| { |
| } |
| |
| LineRenderTestCase::LineRenderTestCase (Context& context, const char* name, const char* description, const ColorlessLineData* linesBegin, const ColorlessLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport) |
| : RenderTestCase (context, name, description) |
| , m_lineWidth (lineWidth) |
| , m_lines (convertToColoredLines(linesBegin, linesEnd)) |
| , m_viewport (viewport) |
| { |
| } |
| |
| void LineRenderTestCase::init (void) |
| { |
| const glw::Functions& gl = m_context.getRenderContext().getFunctions(); |
| checkLineWidth (gl, m_lineWidth); |
| } |
| |
| void LineRenderTestCase::testRender (void) |
| { |
| using tcu::TestLog; |
| |
| const int numSamples = de::max(m_context.getRenderTarget().getNumSamples(), 1); |
| const int verticesPerLine = 2; |
| |
| tcu::TestLog& log = m_testCtx.getLog(); |
| sglr::GLContext glesContext (m_context.getRenderContext(), log, 0, tcu::IVec4(0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE)); |
| sglr::ReferenceContextLimits limits; |
| sglr::ReferenceContextBuffers buffers (m_context.getRenderTarget().getPixelFormat(), m_context.getRenderTarget().getDepthBits(), 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE, numSamples); |
| sglr::ReferenceContext refContext (limits, buffers.getColorbuffer(), buffers.getDepthbuffer(), buffers.getStencilbuffer()); |
| PositionColorShader program; |
| tcu::Surface testSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| tcu::Surface refSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| sglr::Context* contexts[2] = {&glesContext, &refContext}; |
| tcu::Surface* surfaces[2] = {&testSurface, &refSurface}; |
| |
| // log the purpose of the test |
| log << TestLog::Message << "Viewport: left=" << m_viewport.left << "\tbottom=" << m_viewport.bottom << "\twidth=" << m_viewport.width << "\theight=" << m_viewport.height << TestLog::EndMessage; |
| log << TestLog::Message << "Rendering lines with line width " << m_lineWidth << ". Coordinates:" << TestLog::EndMessage; |
| for (size_t ndx = 0; ndx < m_lines.size(); ++ndx) |
| { |
| const std::string fromProperties = genClippingPointInfoString(m_lines[ndx].p0); |
| const std::string toProperties = genClippingPointInfoString(m_lines[ndx].p1); |
| |
| log << TestLog::Message << "\tfrom (x=" << m_lines[ndx].p0.x() << "\ty=" << m_lines[ndx].p0.y() << "\tz=" << m_lines[ndx].p0.z() << "\tw=" << m_lines[ndx].p0.w() << ")\t" << fromProperties << TestLog::EndMessage; |
| log << TestLog::Message << "\tto (x=" << m_lines[ndx].p1.x() << "\ty=" << m_lines[ndx].p1.y() << "\tz=" << m_lines[ndx].p1.z() << "\tw=" << m_lines[ndx].p1.w() << ")\t" << toProperties << TestLog::EndMessage; |
| log << TestLog::Message << TestLog::EndMessage; |
| } |
| |
| // render test image |
| for (int contextNdx = 0; contextNdx < 2; ++contextNdx) |
| { |
| sglr::Context& ctx = *contexts[contextNdx]; |
| tcu::Surface& dstSurface = *surfaces[contextNdx]; |
| const deUint32 programId = ctx.createProgram(&program); |
| const GLint positionLoc = ctx.getAttribLocation(programId, "a_position"); |
| const GLint colorLoc = ctx.getAttribLocation(programId, "a_color"); |
| |
| ctx.clearColor (0, 0, 0, 1); |
| ctx.clearDepthf (1.0f); |
| ctx.clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| ctx.viewport (m_viewport.left, m_viewport.bottom, m_viewport.width, m_viewport.height); |
| ctx.useProgram (programId); |
| ctx.enableVertexAttribArray (positionLoc); |
| ctx.enableVertexAttribArray (colorLoc); |
| ctx.vertexAttribPointer (positionLoc, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat[8]), &m_lines[0].p0); |
| ctx.vertexAttribPointer (colorLoc, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat[8]), &m_lines[0].c0); |
| ctx.lineWidth (m_lineWidth); |
| ctx.drawArrays (GL_LINES, 0, verticesPerLine * (glw::GLsizei)m_lines.size()); |
| ctx.disableVertexAttribArray (positionLoc); |
| ctx.disableVertexAttribArray (colorLoc); |
| ctx.useProgram (0); |
| ctx.deleteProgram (programId); |
| ctx.finish (); |
| |
| ctx.readPixels(dstSurface, 0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| } |
| |
| // compare |
| verifyImage(testSurface.getAccess(), refSurface.getAccess()); |
| } |
| |
| std::vector<LineRenderTestCase::ColoredLineData> LineRenderTestCase::convertToColoredLines(const ColorlessLineData* linesBegin, const ColorlessLineData* linesEnd) |
| { |
| std::vector<ColoredLineData> ret; |
| |
| for (const ColorlessLineData* it = linesBegin; it != linesEnd; ++it) |
| { |
| ColoredLineData r; |
| |
| r.p0 = (*it).p0; |
| r.c0 = tcu::Vec4(1, 1, 1, 1); |
| r.p1 = (*it).p1; |
| r.c1 = tcu::Vec4(1, 1, 1, 1); |
| |
| ret.push_back(r); |
| } |
| |
| return ret; |
| } |
| |
| class LineCase : public LineRenderTestCase |
| { |
| public: |
| LineCase (Context& context, const char* name, const char* description, const LineRenderTestCase::ColorlessLineData* linesBegin, const LineRenderTestCase::ColorlessLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport, int searchKernelSize = 1); |
| |
| void verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess); |
| |
| private: |
| const int m_searchKernelSize; |
| }; |
| |
| LineCase::LineCase (Context& context, const char* name, const char* description, const LineRenderTestCase::ColorlessLineData* linesBegin, const LineRenderTestCase::ColorlessLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport, int searchKernelSize) |
| : LineRenderTestCase (context, name, description, linesBegin, linesEnd, lineWidth, viewport) |
| , m_searchKernelSize (searchKernelSize) |
| { |
| } |
| |
| void LineCase::verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess) |
| { |
| const int faultyLimit = 6; |
| int faultyPixels; |
| |
| const bool isMsaa = m_context.getRenderTarget().getNumSamples() > 1; |
| tcu::TestLog& log = m_testCtx.getLog(); |
| tcu::Surface diffMask (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| |
| log << TestLog::Message << "Comparing images... " << TestLog::EndMessage; |
| log << TestLog::Message << "Deviation within radius of " << m_searchKernelSize << " is allowed." << TestLog::EndMessage; |
| log << TestLog::Message << faultyLimit << " faulty pixels are allowed." << TestLog::EndMessage; |
| |
| faultyPixels = compareBlackNonBlackImages(log, testImageAccess, referenceImageAccess, diffMask.getAccess(), m_searchKernelSize); |
| |
| if (faultyPixels > faultyLimit) |
| { |
| log << TestLog::ImageSet("Images", "Image comparison") |
| << TestLog::Image("TestImage", "Test image", testImageAccess) |
| << TestLog::Image("ReferenceImage", "Reference image", referenceImageAccess) |
| << TestLog::Image("DifferenceMask", "Difference mask", diffMask.getAccess()) |
| << TestLog::EndImageSet |
| << tcu::TestLog::Message << "Got " << faultyPixels << " faulty pixel(s)." << tcu::TestLog::EndMessage; |
| |
| if (m_lineWidth != 1.0f && isMsaa) |
| { |
| log << TestLog::Message << "Wide line support is optional, reporting compatibility warning." << TestLog::EndMessage; |
| m_testCtx.setTestResult(QP_TEST_RESULT_COMPATIBILITY_WARNING, "Wide line clipping failed"); |
| } |
| else |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| |
| class ColoredLineCase : public LineRenderTestCase |
| { |
| public: |
| ColoredLineCase (Context& context, const char* name, const char* description, const LineRenderTestCase::ColoredLineData* linesBegin, const LineRenderTestCase::ColoredLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport); |
| |
| void verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess); |
| }; |
| |
| ColoredLineCase::ColoredLineCase (Context& context, const char* name, const char* description, const LineRenderTestCase::ColoredLineData* linesBegin, const LineRenderTestCase::ColoredLineData* linesEnd, float lineWidth, const rr::WindowRectangle& viewport) |
| : LineRenderTestCase (context, name, description, linesBegin, linesEnd, lineWidth, viewport) |
| { |
| } |
| |
| void ColoredLineCase::verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess) |
| { |
| const bool msaa = m_context.getRenderTarget().getNumSamples() > 1; |
| tcu::TestLog& log = m_testCtx.getLog(); |
| |
| if (!msaa) |
| { |
| const int kernelRadius = 1; |
| const int faultyLimit = 6; |
| int faultyPixels; |
| |
| tcu::Surface diffMask(TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| |
| log << TestLog::Message << "Comparing images... " << TestLog::EndMessage; |
| log << TestLog::Message << "Deviation within radius of " << kernelRadius << " is allowed." << TestLog::EndMessage; |
| log << TestLog::Message << faultyLimit << " faulty pixels are allowed." << TestLog::EndMessage; |
| |
| faultyPixels = compareColoredImages(log, testImageAccess, referenceImageAccess, diffMask.getAccess(), kernelRadius); |
| |
| if (faultyPixels > faultyLimit) |
| { |
| log << TestLog::ImageSet("Images", "Image comparison") |
| << TestLog::Image("TestImage", "Test image", testImageAccess) |
| << TestLog::Image("ReferenceImage", "Reference image", referenceImageAccess) |
| << TestLog::Image("DifferenceMask", "Difference mask", diffMask.getAccess()) |
| << TestLog::EndImageSet |
| << tcu::TestLog::Message << "Got " << faultyPixels << " faulty pixel(s)." << tcu::TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| else |
| { |
| const float threshold = 0.3f; |
| if (!tcu::fuzzyCompare(log, "Images", "", referenceImageAccess, testImageAccess, threshold, tcu::COMPARE_LOG_ON_ERROR)) |
| { |
| if (m_lineWidth != 1.0f) |
| { |
| log << TestLog::Message << "Wide line support is optional, reporting compatibility warning." << TestLog::EndMessage; |
| m_testCtx.setTestResult(QP_TEST_RESULT_COMPATIBILITY_WARNING, "Wide line clipping failed"); |
| } |
| else |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| } |
| |
| class TriangleCaseBase : public RenderTestCase |
| { |
| public: |
| struct TriangleData |
| { |
| tcu::Vec4 p0; |
| tcu::Vec4 c0; |
| tcu::Vec4 p1; |
| tcu::Vec4 c1; |
| tcu::Vec4 p2; |
| tcu::Vec4 c2; |
| }; |
| |
| TriangleCaseBase (Context& context, const char* name, const char* description, const TriangleData* polysBegin, const TriangleData* polysEnd, const rr::WindowRectangle& viewport); |
| |
| virtual void verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess) = DE_NULL; |
| void testRender (void); |
| |
| private: |
| const std::vector<TriangleData> m_polys; |
| const rr::WindowRectangle m_viewport; |
| }; |
| |
| TriangleCaseBase::TriangleCaseBase (Context& context, const char* name, const char* description, const TriangleData* polysBegin, const TriangleData* polysEnd, const rr::WindowRectangle& viewport) |
| : RenderTestCase(context, name, description) |
| , m_polys (polysBegin, polysEnd) |
| , m_viewport (viewport) |
| { |
| } |
| |
| void TriangleCaseBase::testRender (void) |
| { |
| using tcu::TestLog; |
| |
| const int numSamples = de::max(m_context.getRenderTarget().getNumSamples(), 1); |
| const int verticesPerTriangle = 3; |
| |
| tcu::TestLog& log = m_testCtx.getLog(); |
| sglr::GLContext glesContext (m_context.getRenderContext(), log, 0, tcu::IVec4(0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE)); |
| sglr::ReferenceContextLimits limits; |
| sglr::ReferenceContextBuffers buffers (m_context.getRenderTarget().getPixelFormat(), m_context.getRenderTarget().getDepthBits(), 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE, numSamples); |
| sglr::ReferenceContext refContext (limits, buffers.getColorbuffer(), buffers.getDepthbuffer(), buffers.getStencilbuffer()); |
| PositionColorShader program; |
| tcu::Surface testSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| tcu::Surface refSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| sglr::Context* contexts[2] = {&glesContext, &refContext}; |
| tcu::Surface* surfaces[2] = {&testSurface, &refSurface}; |
| |
| // log the purpose of the test |
| log << TestLog::Message << "Viewport: left=" << m_viewport.left << "\tbottom=" << m_viewport.bottom << "\twidth=" << m_viewport.width << "\theight=" << m_viewport.height << TestLog::EndMessage; |
| log << TestLog::Message << "Rendering triangles. Coordinates:" << TestLog::EndMessage; |
| for (size_t ndx = 0; ndx < m_polys.size(); ++ndx) |
| { |
| const std::string v0Properties = genClippingPointInfoString(m_polys[ndx].p0); |
| const std::string v1Properties = genClippingPointInfoString(m_polys[ndx].p1); |
| const std::string v2Properties = genClippingPointInfoString(m_polys[ndx].p2); |
| const std::string c0Properties = genColorString(m_polys[ndx].c0); |
| const std::string c1Properties = genColorString(m_polys[ndx].c1); |
| const std::string c2Properties = genColorString(m_polys[ndx].c2); |
| |
| log << TestLog::Message << "\tv0 (x=" << m_polys[ndx].p0.x() << "\ty=" << m_polys[ndx].p0.y() << "\tz=" << m_polys[ndx].p0.z() << "\tw=" << m_polys[ndx].p0.w() << ")\t" << v0Properties << "\t" << c0Properties << TestLog::EndMessage; |
| log << TestLog::Message << "\tv1 (x=" << m_polys[ndx].p1.x() << "\ty=" << m_polys[ndx].p1.y() << "\tz=" << m_polys[ndx].p1.z() << "\tw=" << m_polys[ndx].p1.w() << ")\t" << v1Properties << "\t" << c1Properties << TestLog::EndMessage; |
| log << TestLog::Message << "\tv2 (x=" << m_polys[ndx].p2.x() << "\ty=" << m_polys[ndx].p2.y() << "\tz=" << m_polys[ndx].p2.z() << "\tw=" << m_polys[ndx].p2.w() << ")\t" << v2Properties << "\t" << c2Properties << TestLog::EndMessage; |
| log << TestLog::Message << TestLog::EndMessage; |
| } |
| |
| // render test image |
| for (int contextNdx = 0; contextNdx < 2; ++contextNdx) |
| { |
| sglr::Context& ctx = *contexts[contextNdx]; |
| tcu::Surface& dstSurface = *surfaces[contextNdx]; |
| const deUint32 programId = ctx.createProgram(&program); |
| const GLint positionLoc = ctx.getAttribLocation(programId, "a_position"); |
| const GLint colorLoc = ctx.getAttribLocation(programId, "a_color"); |
| |
| ctx.clearColor (0, 0, 0, 1); |
| ctx.clearDepthf (1.0f); |
| ctx.clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| ctx.viewport (m_viewport.left, m_viewport.bottom, m_viewport.width, m_viewport.height); |
| ctx.useProgram (programId); |
| ctx.enableVertexAttribArray (positionLoc); |
| ctx.enableVertexAttribArray (colorLoc); |
| ctx.vertexAttribPointer (positionLoc, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat[8]), &m_polys[0].p0); |
| ctx.vertexAttribPointer (colorLoc, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat[8]), &m_polys[0].c0); |
| ctx.drawArrays (GL_TRIANGLES, 0, verticesPerTriangle * (glw::GLsizei)m_polys.size()); |
| ctx.disableVertexAttribArray (positionLoc); |
| ctx.disableVertexAttribArray (colorLoc); |
| ctx.useProgram (0); |
| ctx.deleteProgram (programId); |
| ctx.finish (); |
| |
| ctx.readPixels(dstSurface, 0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| } |
| |
| verifyImage(testSurface.getAccess(), refSurface.getAccess()); |
| } |
| |
| class TriangleCase : public TriangleCaseBase |
| { |
| public: |
| TriangleCase (Context& context, const char* name, const char* description, const TriangleData* polysBegin, const TriangleData* polysEnd, const rr::WindowRectangle& viewport); |
| |
| void verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess); |
| }; |
| |
| TriangleCase::TriangleCase (Context& context, const char* name, const char* description, const TriangleData* polysBegin, const TriangleData* polysEnd, const rr::WindowRectangle& viewport) |
| : TriangleCaseBase(context, name, description, polysBegin, polysEnd, viewport) |
| { |
| } |
| |
| void TriangleCase::verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess) |
| { |
| const int kernelRadius = 1; |
| const int faultyLimit = 6; |
| tcu::TestLog& log = m_testCtx.getLog(); |
| tcu::Surface diffMask (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| int faultyPixels; |
| |
| log << TestLog::Message << "Comparing images... " << TestLog::EndMessage; |
| log << TestLog::Message << "Deviation within radius of " << kernelRadius << " is allowed." << TestLog::EndMessage; |
| log << TestLog::Message << faultyLimit << " faulty pixels are allowed." << TestLog::EndMessage; |
| |
| faultyPixels = compareBlackNonBlackImages(log, testImageAccess, referenceImageAccess, diffMask.getAccess(), kernelRadius); |
| |
| if (faultyPixels > faultyLimit) |
| { |
| log << TestLog::ImageSet("Images", "Image comparison") |
| << TestLog::Image("TestImage", "Test image", testImageAccess) |
| << TestLog::Image("ReferenceImage", "Reference image", referenceImageAccess) |
| << TestLog::Image("DifferenceMask", "Difference mask", diffMask.getAccess()) |
| << TestLog::EndImageSet |
| << tcu::TestLog::Message << "Got " << faultyPixels << " faulty pixel(s)." << tcu::TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| |
| class TriangleAttributeCase : public TriangleCaseBase |
| { |
| public: |
| TriangleAttributeCase (Context& context, const char* name, const char* description, const TriangleData* polysBegin, const TriangleData* polysEnd, const rr::WindowRectangle& viewport); |
| |
| void verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess); |
| }; |
| |
| TriangleAttributeCase::TriangleAttributeCase (Context& context, const char* name, const char* description, const TriangleData* polysBegin, const TriangleData* polysEnd, const rr::WindowRectangle& viewport) |
| : TriangleCaseBase(context, name, description, polysBegin, polysEnd, viewport) |
| { |
| } |
| |
| void TriangleAttributeCase::verifyImage (const tcu::ConstPixelBufferAccess& testImageAccess, const tcu::ConstPixelBufferAccess& referenceImageAccess) |
| { |
| const bool msaa = m_context.getRenderTarget().getNumSamples() > 1; |
| tcu::TestLog& log = m_testCtx.getLog(); |
| |
| if (!msaa) |
| { |
| const int kernelRadius = 1; |
| const int faultyLimit = 6; |
| int faultyPixels; |
| tcu::Surface diffMask (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| |
| log << TestLog::Message << "Comparing images... " << TestLog::EndMessage; |
| log << TestLog::Message << "Deviation within radius of " << kernelRadius << " is allowed." << TestLog::EndMessage; |
| log << TestLog::Message << faultyLimit << " faulty pixels are allowed." << TestLog::EndMessage; |
| faultyPixels = compareColoredImages(log, testImageAccess, referenceImageAccess, diffMask.getAccess(), kernelRadius); |
| |
| if (faultyPixels > faultyLimit) |
| { |
| log << TestLog::ImageSet("Images", "Image comparison") |
| << TestLog::Image("TestImage", "Test image", testImageAccess) |
| << TestLog::Image("ReferenceImage", "Reference image", referenceImageAccess) |
| << TestLog::Image("DifferenceMask", "Difference mask", diffMask.getAccess()) |
| << TestLog::EndImageSet |
| << tcu::TestLog::Message << "Got " << faultyPixels << " faulty pixel(s)." << tcu::TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| else |
| { |
| const float threshold = 0.3f; |
| if (!tcu::fuzzyCompare(log, "Images", "", referenceImageAccess, testImageAccess, threshold, tcu::COMPARE_LOG_ON_ERROR)) |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| |
| class FillTest : public RenderTestCase |
| { |
| public: |
| FillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport); |
| |
| virtual void render (sglr::Context& ctx) = DE_NULL; |
| void testRender (void); |
| |
| protected: |
| const rr::WindowRectangle m_viewport; |
| }; |
| |
| FillTest::FillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport) |
| : RenderTestCase(context, name, description) |
| , m_viewport (viewport) |
| { |
| } |
| |
| void FillTest::testRender (void) |
| { |
| using tcu::TestLog; |
| |
| const int numSamples = 1; |
| |
| tcu::TestLog& log = m_testCtx.getLog(); |
| sglr::GLContext glesContext (m_context.getRenderContext(), log, 0, tcu::IVec4(0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE)); |
| sglr::ReferenceContextLimits limits; |
| sglr::ReferenceContextBuffers buffers (m_context.getRenderTarget().getPixelFormat(), m_context.getRenderTarget().getDepthBits(), 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE, numSamples); |
| sglr::ReferenceContext refContext (limits, buffers.getColorbuffer(), buffers.getDepthbuffer(), buffers.getStencilbuffer()); |
| tcu::Surface testSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| tcu::Surface refSurface (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| |
| render(glesContext); |
| glesContext.readPixels(testSurface, 0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| |
| render(refContext); |
| refContext.readPixels(refSurface, 0, 0, TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| |
| // check overdraw |
| { |
| bool overdrawOk; |
| tcu::Surface outputImage(TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| |
| log << TestLog::Message << "Checking for overdraw " << TestLog::EndMessage; |
| overdrawOk = checkHalfFilledImageOverdraw(log, m_context.getRenderTarget(), testSurface.getAccess(), outputImage.getAccess()); |
| |
| if (!overdrawOk) |
| { |
| log << TestLog::ImageSet("Images", "Image comparison") |
| << TestLog::Image("TestImage", "Test image", testSurface.getAccess()) |
| << TestLog::Image("InvalidPixels", "Invalid pixels", outputImage.getAccess()) |
| << TestLog::EndImageSet |
| << tcu::TestLog::Message << "Got overdraw." << tcu::TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got overdraw"); |
| } |
| } |
| |
| // compare & check missing pixels |
| { |
| const int kernelRadius = 1; |
| tcu::Surface diffMask (TEST_CANVAS_SIZE, TEST_CANVAS_SIZE); |
| int faultyPixels; |
| |
| log << TestLog::Message << "Comparing images... " << TestLog::EndMessage; |
| log << TestLog::Message << "Deviation within radius of " << kernelRadius << " is allowed." << TestLog::EndMessage; |
| |
| blitImageOnBlackSurface(refSurface.getAccess(), refSurface.getAccess()); // makes images look right in Candy |
| |
| faultyPixels = compareBlackNonBlackImages(log, testSurface.getAccess(), refSurface.getAccess(), diffMask.getAccess(), kernelRadius); |
| |
| if (faultyPixels > 0) |
| { |
| log << TestLog::ImageSet("Images", "Image comparison") |
| << TestLog::Image("TestImage", "Test image", testSurface.getAccess()) |
| << TestLog::Image("ReferenceImage", "Reference image", refSurface.getAccess()) |
| << TestLog::Image("DifferenceMask", "Difference mask", diffMask.getAccess()) |
| << TestLog::EndImageSet |
| << tcu::TestLog::Message << "Got " << faultyPixels << " faulty pixel(s)." << tcu::TestLog::EndMessage; |
| |
| m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got faulty pixels"); |
| } |
| } |
| } |
| |
| class TriangleFillTest : public FillTest |
| { |
| public: |
| struct FillTriangle |
| { |
| tcu::Vec4 v0; |
| tcu::Vec4 c0; |
| tcu::Vec4 v1; |
| tcu::Vec4 c1; |
| tcu::Vec4 v2; |
| tcu::Vec4 c2; |
| }; |
| |
| TriangleFillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport); |
| |
| void render (sglr::Context& ctx); |
| |
| protected: |
| std::vector<FillTriangle> m_triangles; |
| }; |
| |
| TriangleFillTest::TriangleFillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport) |
| : FillTest(context, name, description, viewport) |
| { |
| } |
| |
| void TriangleFillTest::render (sglr::Context& ctx) |
| { |
| const int verticesPerTriangle = 3; |
| PositionColorShader program; |
| const deUint32 programId = ctx.createProgram(&program); |
| const GLint positionLoc = ctx.getAttribLocation(programId, "a_position"); |
| const GLint colorLoc = ctx.getAttribLocation(programId, "a_color"); |
| tcu::TestLog& log = m_testCtx.getLog(); |
| |
| // log the purpose of the test |
| log << TestLog::Message << "Viewport: left=" << m_viewport.left << "\tbottom=" << m_viewport.bottom << "\twidth=" << m_viewport.width << "\theight=" << m_viewport.height << TestLog::EndMessage; |
| log << TestLog::Message << "Rendering triangles. Coordinates:" << TestLog::EndMessage; |
| for (size_t ndx = 0; ndx < m_triangles.size(); ++ndx) |
| { |
| const std::string v0Properties = genClippingPointInfoString(m_triangles[ndx].v0); |
| const std::string v1Properties = genClippingPointInfoString(m_triangles[ndx].v1); |
| const std::string v2Properties = genClippingPointInfoString(m_triangles[ndx].v2); |
| |
| log << TestLog::Message << "\tv0 (x=" << m_triangles[ndx].v0.x() << "\ty=" << m_triangles[ndx].v0.y() << "\tz=" << m_triangles[ndx].v0.z() << "\tw=" << m_triangles[ndx].v0.w() << ")\t" << v0Properties << TestLog::EndMessage; |
| log << TestLog::Message << "\tv1 (x=" << m_triangles[ndx].v1.x() << "\ty=" << m_triangles[ndx].v1.y() << "\tz=" << m_triangles[ndx].v1.z() << "\tw=" << m_triangles[ndx].v1.w() << ")\t" << v1Properties << TestLog::EndMessage; |
| log << TestLog::Message << "\tv2 (x=" << m_triangles[ndx].v2.x() << "\ty=" << m_triangles[ndx].v2.y() << "\tz=" << m_triangles[ndx].v2.z() << "\tw=" << m_triangles[ndx].v2.w() << ")\t" << v2Properties << TestLog::EndMessage; |
| log << TestLog::Message << TestLog::EndMessage; |
| } |
| |
| ctx.clearColor (0, 0, 0, 1); |
| ctx.clearDepthf (1.0f); |
| ctx.clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| ctx.viewport (m_viewport.left, m_viewport.bottom, m_viewport.width, m_viewport.height); |
| ctx.useProgram (programId); |
| ctx.blendFunc (GL_ONE, GL_ONE); |
| ctx.enable (GL_BLEND); |
| ctx.enableVertexAttribArray (positionLoc); |
| ctx.enableVertexAttribArray (colorLoc); |
| ctx.vertexAttribPointer (positionLoc, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat[8]), &m_triangles[0].v0); |
| ctx.vertexAttribPointer (colorLoc, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat[8]), &m_triangles[0].c0); |
| ctx.drawArrays (GL_TRIANGLES, 0, verticesPerTriangle * (glw::GLsizei)m_triangles.size()); |
| ctx.disableVertexAttribArray (positionLoc); |
| ctx.disableVertexAttribArray (colorLoc); |
| ctx.useProgram (0); |
| ctx.deleteProgram (programId); |
| ctx.finish (); |
| } |
| |
| class QuadFillTest : public TriangleFillTest |
| { |
| public: |
| QuadFillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport, const tcu::Vec3& d1, const tcu::Vec3& d2, const tcu::Vec3& center_ = tcu::Vec3(0, 0, 0)); |
| }; |
| |
| QuadFillTest::QuadFillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport, const tcu::Vec3& d1, const tcu::Vec3& d2, const tcu::Vec3& center_) |
| : TriangleFillTest(context, name, description, viewport) |
| { |
| const float radius = 40000.0f; |
| const tcu::Vec4 center = tcu::Vec4(center_.x(), center_.y(), center_.z(), 1.0f); |
| const tcu::Vec4 halfWhite = tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f); |
| const tcu::Vec4 halfRed = tcu::Vec4(0.5f, 0.0f, 0.0f, 0.5f); |
| const tcu::Vec4 e1 = radius * tcu::Vec4(d1.x(), d1.y(), d1.z(), 0.0f); |
| const tcu::Vec4 e2 = radius * tcu::Vec4(d2.x(), d2.y(), d2.z(), 0.0f); |
| |
| FillTriangle triangle1; |
| FillTriangle triangle2; |
| |
| triangle1.c0 = halfWhite; |
| triangle1.c1 = halfWhite; |
| triangle1.c2 = halfWhite; |
| triangle1.v0 = center + e1 + e2; |
| triangle1.v1 = center + e1 - e2; |
| triangle1.v2 = center - e1 - e2; |
| m_triangles.push_back(triangle1); |
| |
| triangle2.c0 = halfRed; |
| triangle2.c1 = halfRed; |
| triangle2.c2 = halfRed; |
| triangle2.v0 = center + e1 + e2; |
| triangle2.v1 = center - e1 - e2; |
| triangle2.v2 = center - e1 + e2; |
| m_triangles.push_back(triangle2); |
| } |
| |
| class TriangleFanFillTest : public TriangleFillTest |
| { |
| public: |
| TriangleFanFillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport); |
| }; |
| |
| TriangleFanFillTest::TriangleFanFillTest (Context& context, const char* name, const char* description, const rr::WindowRectangle& viewport) |
| : TriangleFillTest(context, name, description, viewport) |
| { |
| const float radius = 70000.0f; |
| const int trianglesPerVisit = 40; |
| const tcu::Vec4 center = tcu::Vec4(0, 0, 0, 1.0f); |
| const tcu::Vec4 halfWhite = tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f); |
| const tcu::Vec4 oddSliceColor = tcu::Vec4(0.0f, 0.0f, 0.5f, 0.0f); |
| |
| // create a continuous surface that goes through all 6 clip planes |
| |
| /* |
| * / / |
| * /_ _ _ _ _ /x |
| * | | | |
| * | | / |
| * | / --xe / |
| * | | | / |
| * |_ _ _ e _ _|/ |
| * |
| * e = enter |
| * x = exit |
| */ |
| const struct ClipPlaneVisit |
| { |
| const tcu::Vec3 corner; |
| const tcu::Vec3 entryPoint; |
| const tcu::Vec3 exitPoint; |
| } visits[] = |
| { |
| { tcu::Vec3( 1, 1, 1), tcu::Vec3( 0, 1, 1), tcu::Vec3( 1, 0, 1) }, |
| { tcu::Vec3( 1,-1, 1), tcu::Vec3( 1, 0, 1), tcu::Vec3( 1,-1, 0) }, |
| { tcu::Vec3( 1,-1,-1), tcu::Vec3( 1,-1, 0), tcu::Vec3( 0,-1,-1) }, |
| { tcu::Vec3(-1,-1,-1), tcu::Vec3( 0,-1,-1), tcu::Vec3(-1, 0,-1) }, |
| { tcu::Vec3(-1, 1,-1), tcu::Vec3(-1, 0,-1), tcu::Vec3(-1, 1, 0) }, |
| { tcu::Vec3(-1, 1, 1), tcu::Vec3(-1, 1, 0), tcu::Vec3( 0, 1, 1) }, |
| }; |
| |
| for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(visits); ++ndx) |
| { |
| const ClipPlaneVisit& visit = visits[ndx]; |
| |
| for (int tri = 0; tri < trianglesPerVisit; ++tri) |
| { |
| tcu::Vec3 vertex0; |
| tcu::Vec3 vertex1; |
| |
| if (tri == 0) // first vertex is magic |
| { |
| vertex0 = visit.entryPoint; |
| } |
| else |
| { |
| const tcu::Vec3 v1 = visit.entryPoint - visit.corner; |
| const tcu::Vec3 v2 = visit.exitPoint - visit.corner; |
| |
| vertex0 = visit.corner + tcu::normalize(tcu::mix(v1, v2, tcu::Vec3(float(tri)/trianglesPerVisit))); |
| } |
| |
| if (tri == trianglesPerVisit-1) // last vertex is magic |
| { |
| vertex1 = visit.exitPoint; |
| } |
| else |
| { |
| const tcu::Vec3 v1 = visit.entryPoint - visit.corner; |
| const tcu::Vec3 v2 = visit.exitPoint - visit.corner; |
| |
| vertex1 = visit.corner + tcu::normalize(tcu::mix(v1, v2, tcu::Vec3(float(tri+1)/trianglesPerVisit))); |
| } |
| |
| // write vec out |
| { |
| FillTriangle triangle; |
| |
| triangle.c0 = (tri % 2) ? halfWhite : halfWhite + oddSliceColor; |
| triangle.c1 = (tri % 2) ? halfWhite : halfWhite + oddSliceColor; |
| triangle.c2 = (tri % 2) ? halfWhite : halfWhite + oddSliceColor; |
| triangle.v0 = center; |
| triangle.v1 = tcu::Vec4(vertex0.x() * radius, vertex0.y() * radius, vertex0.z() * radius, 1.0f); |
| triangle.v2 = tcu::Vec4(vertex1.x() * radius, vertex1.y() * radius, vertex1.z() * radius, 1.0f); |
| |
| m_triangles.push_back(triangle); |
| } |
| |
| } |
| } |
| } |
| |
| class PointsTestGroup : public TestCaseGroup |
| { |
| public: |
| PointsTestGroup (Context& context); |
| |
| void init (void); |
| }; |
| |
| PointsTestGroup::PointsTestGroup (Context& context) |
| : TestCaseGroup(context, "point", "Point clipping tests") |
| { |
| } |
| |
| void PointsTestGroup::init (void) |
| { |
| const float littleOverViewport = 1.0f + (2.0f / (TEST_CANVAS_SIZE)); // one pixel over the viewport edge in VIEWPORT_WHOLE, half pixels over in the reduced viewport. |
| |
| const tcu::Vec4 viewportTestPoints[] = |
| { |
| // in clip volume |
| tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), |
| tcu::Vec4( 0.1f, 0.1f, 0.1f, 1.0f), |
| tcu::Vec4(-0.1f, 0.1f, -0.1f, 1.0f), |
| tcu::Vec4(-0.1f, -0.1f, 0.1f, 1.0f), |
| tcu::Vec4( 0.1f, -0.1f, -0.1f, 1.0f), |
| |
| // in clip volume with w != 1 |
| tcu::Vec4( 2.0f, 2.0f, 2.0f, 3.0f), |
| tcu::Vec4(-2.0f, -2.0f, 2.0f, 3.0f), |
| tcu::Vec4( 0.5f, -0.5f, 0.5f, 0.7f), |
| tcu::Vec4(-0.5f, 0.5f, -0.5f, 0.7f), |
| |
| // near the edge |
| tcu::Vec4(-2.0f, -2.0f, 0.0f, 2.2f), |
| tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.1f), |
| tcu::Vec4(-1.0f, 1.0f, 0.0f, 1.1f), |
| |
| // not in the volume but still between near and far planes |
| tcu::Vec4( 1.3f, 0.0f, 0.0f, 1.0f), |
| tcu::Vec4(-1.3f, 0.0f, 0.0f, 1.0f), |
| tcu::Vec4( 0.0f, 1.3f, 0.0f, 1.0f), |
| tcu::Vec4( 0.0f, -1.3f, 0.0f, 1.0f), |
| |
| tcu::Vec4(-1.3f, -1.3f, 0.0f, 1.0f), |
| tcu::Vec4(-1.3f, 1.3f, 0.0f, 1.0f), |
| tcu::Vec4( 1.3f, 1.3f, 0.0f, 1.0f), |
| tcu::Vec4( 1.3f, -1.3f, 0.0f, 1.0f), |
| |
| // outside the viewport, wide points have fragments in the viewport |
| tcu::Vec4( littleOverViewport, littleOverViewport, 0.0f, 1.0f), |
| tcu::Vec4( 0.0f, littleOverViewport, 0.0f, 1.0f), |
| tcu::Vec4( littleOverViewport, 0.0f, 0.0f, 1.0f), |
| }; |
| const tcu::Vec4 depthTestPoints[] = |
| { |
| // in clip volume |
| tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), |
| tcu::Vec4( 0.1f, 0.1f, 0.1f, 1.0f), |
| tcu::Vec4(-0.1f, 0.1f, -0.1f, 1.0f), |
| tcu::Vec4(-0.1f, -0.1f, 0.1f, 1.0f), |
| tcu::Vec4( 0.1f, -0.1f, -0.1f, 1.0f), |
| |
| // not between the near and the far planes. These should be clipped |
| tcu::Vec4( 0.1f, 0.0f, 1.1f, 1.0f), |
| tcu::Vec4(-0.1f, 0.0f, -1.1f, 1.0f), |
| tcu::Vec4(-0.0f, -0.1f, 1.1f, 1.0f), |
| tcu::Vec4( 0.0f, 0.1f, -1.1f, 1.0f) |
| }; |
| |
| addChild(new PointCase(m_context, "point_z_clip", "point z clipping", DE_ARRAY_BEGIN(depthTestPoints), DE_ARRAY_END(depthTestPoints), 1.0f, VIEWPORT_WHOLE)); |
| addChild(new PointCase(m_context, "point_z_clip_viewport_center", "point z clipping", DE_ARRAY_BEGIN(depthTestPoints), DE_ARRAY_END(depthTestPoints), 1.0f, VIEWPORT_CENTER)); |
| addChild(new PointCase(m_context, "point_z_clip_viewport_corner", "point z clipping", DE_ARRAY_BEGIN(depthTestPoints), DE_ARRAY_END(depthTestPoints), 1.0f, VIEWPORT_CORNER)); |
| |
| addChild(new PointCase(m_context, "point_clip_viewport_center", "point viewport clipping", DE_ARRAY_BEGIN(viewportTestPoints), DE_ARRAY_END(viewportTestPoints), 1.0f, VIEWPORT_CENTER)); |
| addChild(new PointCase(m_context, "point_clip_viewport_corner", "point viewport clipping", DE_ARRAY_BEGIN(viewportTestPoints), DE_ARRAY_END(viewportTestPoints), 1.0f, VIEWPORT_CORNER)); |
| |
| addChild(new PointCase(m_context, "wide_point_z_clip", "point z clipping", DE_ARRAY_BEGIN(depthTestPoints), DE_ARRAY_END(depthTestPoints), 5.0f, VIEWPORT_WHOLE)); |
| addChild(new PointCase(m_context, "wide_point_z_clip_viewport_center", "point z clipping", DE_ARRAY_BEGIN(depthTestPoints), DE_ARRAY_END(depthTestPoints), 5.0f, VIEWPORT_CENTER)); |
| addChild(new PointCase(m_context, "wide_point_z_clip_viewport_corner", "point z clipping", DE_ARRAY_BEGIN(depthTestPoints), DE_ARRAY_END(depthTestPoints), 5.0f, VIEWPORT_CORNER)); |
| |
| addChild(new PointCase(m_context, "wide_point_clip", "point viewport clipping", DE_ARRAY_BEGIN(viewportTestPoints), DE_ARRAY_END(viewportTestPoints), 5.0f, VIEWPORT_WHOLE)); |
| addChild(new PointCase(m_context, "wide_point_clip_viewport_center", "point viewport clipping", DE_ARRAY_BEGIN(viewportTestPoints), DE_ARRAY_END(viewportTestPoints), 5.0f, VIEWPORT_CENTER)); |
| addChild(new PointCase(m_context, "wide_point_clip_viewport_corner", "point viewport clipping", DE_ARRAY_BEGIN(viewportTestPoints), DE_ARRAY_END(viewportTestPoints), 5.0f, VIEWPORT_CORNER)); |
| } |
| |
| class LinesTestGroup : public TestCaseGroup |
| { |
| public: |
| LinesTestGroup (Context& context); |
| |
| void init (void); |
| }; |
| |
| LinesTestGroup::LinesTestGroup (Context& context) |
| : TestCaseGroup(context, "line", "Line clipping tests") |
| { |
| } |
| |
| void LinesTestGroup::init (void) |
| { |
| const float littleOverViewport = 1.0f + (2.0f / (TEST_CANVAS_SIZE)); // one pixel over the viewport edge in VIEWPORT_WHOLE, half pixels over in the reduced viewport. |
| |
| // lines |
| const LineRenderTestCase::ColorlessLineData viewportTestLines[] = |
| { |
| // from center to outside of viewport |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 0.0f, 1.5f, 0.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(-1.5f, 1.0f, 0.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(-1.5f, 0.0f, 0.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 0.2f, 0.4f, 1.5f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(-2.0f, -1.0f, 0.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 1.0f, 0.1f, 0.0f, 0.6f)}, |
| |
| // from outside to inside of viewport |
| {tcu::Vec4( 1.5f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 0.8f, -0.2f, 0.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, -1.5f, 0.0f, 1.0f), tcu::Vec4( 0.9f, -0.7f, 0.0f, 1.0f)}, |
| |
| // from outside to outside |
| {tcu::Vec4( 0.0f, -1.3f, 0.0f, 1.0f), tcu::Vec4( 1.3f, 0.0f, 0.0f, 1.0f)}, |
| |
| // outside the viewport, wide lines have fragments in the viewport |
| {tcu::Vec4(-0.8f, -littleOverViewport, 0.0f, 1.0f), tcu::Vec4( 0.0f, -littleOverViewport, 0.0f, 1.0f)}, |
| {tcu::Vec4(-littleOverViewport - 1.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 0.0f, -littleOverViewport - 1.0f, 0.0f, 1.0f)}, |
| }; |
| const LineRenderTestCase::ColorlessLineData depthTestLines[] = |
| { |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 1.3f, 1.0f, 2.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 1.3f, -1.0f, 2.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(-1.0f, -1.1f, -2.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(-1.0f, 1.1f, -2.0f, 1.0f)}, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4( 1.0f, 0.1f, 2.0f, 0.6f)}, |
| }; |
| const LineRenderTestCase::ColorlessLineData longTestLines[] = |
| { |
| {tcu::Vec4( -41000.0f, -40000.0f, -1000000.0f, 1.0f), tcu::Vec4( 41000.0f, 40000.0f, 1000000.0f, 1.0f)}, |
| {tcu::Vec4( 41000.0f, -40000.0f, 1000000.0f, 1.0f), tcu::Vec4(-41000.0f, 40000.0f, -1000000.0f, 1.0f)}, |
| {tcu::Vec4( 0.5f, -40000.0f, 100000.0f, 1.0f), tcu::Vec4( 0.5f, 40000.0f, -100000.0f, 1.0f)}, |
| {tcu::Vec4( -0.5f, 40000.0f, 100000.0f, 1.0f), tcu::Vec4(-0.5f, -40000.0f, -100000.0f, 1.0f)}, |
| }; |
| |
| // line attribute clipping |
| const tcu::Vec4 red (1.0f, 0.0f, 0.0f, 1.0f); |
| const tcu::Vec4 yellow (1.0f, 1.0f, 0.0f, 1.0f); |
| const tcu::Vec4 lightBlue (0.3f, 0.3f, 1.0f, 1.0f); |
| const LineRenderTestCase::ColoredLineData colorTestLines[] = |
| { |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.3f, 1.0f, 2.0f, 1.0f), yellow }, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.3f, -1.0f, 2.0f, 1.0f), lightBlue }, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), red, tcu::Vec4(-1.0f, -1.0f, -2.0f, 1.0f), yellow }, |
| {tcu::Vec4( 0.0f, 0.0f, 0.0f, 1.0f), red, tcu::Vec4(-1.0f, 1.0f, -2.0f, 1.0f), lightBlue }, |
| }; |
| |
| // line clipping |
| addChild(new LineCase(m_context, "line_z_clip", "line z clipping", DE_ARRAY_BEGIN(depthTestLines), DE_ARRAY_END(depthTestLines), 1.0f, VIEWPORT_WHOLE)); |
| addChild(new LineCase(m_context, "line_z_clip_viewport_center", "line z clipping", DE_ARRAY_BEGIN(depthTestLines), DE_ARRAY_END(depthTestLines), 1.0f, VIEWPORT_CENTER)); |
| addChild(new LineCase(m_context, "line_z_clip_viewport_corner", "line z clipping", DE_ARRAY_BEGIN(depthTestLines), DE_ARRAY_END(depthTestLines), 1.0f, VIEWPORT_CORNER)); |
| |
| addChild(new LineCase(m_context, "line_clip_viewport_center", "line viewport clipping", DE_ARRAY_BEGIN(viewportTestLines), DE_ARRAY_END(viewportTestLines), 1.0f, VIEWPORT_CENTER)); |
| addChild(new LineCase(m_context, "line_clip_viewport_corner", "line viewport clipping", DE_ARRAY_BEGIN(viewportTestLines), DE_ARRAY_END(viewportTestLines), 1.0f, VIEWPORT_CORNER)); |
| |
| addChild(new LineCase(m_context, "wide_line_z_clip", "line z clipping", DE_ARRAY_BEGIN(depthTestLines), DE_ARRAY_END(depthTestLines), 5.0f, VIEWPORT_WHOLE)); |
| addChild(new LineCase(m_context, "wide_line_z_clip_viewport_center", "line z clipping", DE_ARRAY_BEGIN(depthTestLines), DE_ARRAY_END(depthTestLines), 5.0f, VIEWPORT_CENTER)); |
| addChild(new LineCase(m_context, "wide_line_z_clip_viewport_corner", "line z clipping", DE_ARRAY_BEGIN(depthTestLines), DE_ARRAY_END(depthTestLines), 5.0f, VIEWPORT_CORNER)); |
| |
| addChild(new LineCase(m_context, "wide_line_clip", "line viewport clipping", DE_ARRAY_BEGIN(viewportTestLines), DE_ARRAY_END(viewportTestLines), 5.0f, VIEWPORT_WHOLE)); |
| addChild(new LineCase(m_context, "wide_line_clip_viewport_center", "line viewport clipping", DE_ARRAY_BEGIN(viewportTestLines), DE_ARRAY_END(viewportTestLines), 5.0f, VIEWPORT_CENTER)); |
| addChild(new LineCase(m_context, "wide_line_clip_viewport_corner", "line viewport clipping", DE_ARRAY_BEGIN(viewportTestLines), DE_ARRAY_END(viewportTestLines), 5.0f, VIEWPORT_CORNER)); |
| |
| addChild(new LineCase(m_context, "long_line_clip", "line viewport clipping", DE_ARRAY_BEGIN(longTestLines), DE_ARRAY_END(longTestLines), 1.0f, VIEWPORT_WHOLE, 2)); |
| addChild(new LineCase(m_context, "long_wide_line_clip", "line viewport clipping", DE_ARRAY_BEGIN(longTestLines), DE_ARRAY_END(longTestLines), 5.0f, VIEWPORT_WHOLE, 2)); |
| |
| // line attribute clipping |
| addChild(new ColoredLineCase(m_context, "line_attrib_clip", "line attribute clipping", DE_ARRAY_BEGIN(colorTestLines), DE_ARRAY_END(colorTestLines), 1.0f, VIEWPORT_WHOLE)); |
| addChild(new ColoredLineCase(m_context, "wide_line_attrib_clip", "line attribute clipping", DE_ARRAY_BEGIN(colorTestLines), DE_ARRAY_END(colorTestLines), 5.0f, VIEWPORT_WHOLE)); |
| } |
| |
| class PolysTestGroup : public TestCaseGroup |
| { |
| public: |
| PolysTestGroup (Context& context); |
| |
| void init (void); |
| }; |
| |
| PolysTestGroup::PolysTestGroup (Context& context) |
| : TestCaseGroup(context, "polygon", "Polygon clipping tests") |
| { |
| } |
| |
| void PolysTestGroup::init (void) |
| { |
| const float large = 100000.0f; |
| const float offset = 0.9f; |
| const tcu::Vec4 white (1.0f, 1.0f, 1.0f, 1.0f); |
| const tcu::Vec4 red (1.0f, 0.0f, 0.0f, 1.0f); |
| const tcu::Vec4 yellow (1.0f, 1.0f, 0.0f, 1.0f); |
| const tcu::Vec4 blue (0.0f, 0.0f, 1.0f, 1.0f); |
| |
| // basic cases |
| { |
| const TriangleCase::TriangleData viewportPolys[] = |
| { |
| // one vertex clipped |
| {tcu::Vec4(-0.8f, -0.2f, 0.0f, 1.0f), white, tcu::Vec4(-0.8f, 0.2f, 0.0f, 1.0f), white, tcu::Vec4(-1.3f, 0.05f, 0.0f, 1.0f), white}, |
| |
| // two vertices clipped |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), white, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), white, tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), white}, |
| |
| // three vertices clipped |
| {tcu::Vec4(-1.1f, 0.6f, 0.0f, 1.0f), white, tcu::Vec4(-1.1f, 1.1f, 0.0f, 1.0f), white, tcu::Vec4(-0.6f, 1.1f, 0.0f, 1.0f), white}, |
| {tcu::Vec4( 0.8f, 1.1f, 0.0f, 1.0f), white, tcu::Vec4( 0.95f,-1.1f, 0.0f, 1.0f), white, tcu::Vec4( 3.0f, 0.0f, 0.0f, 1.0f), white}, |
| }; |
| const TriangleCase::TriangleData depthPolys[] = |
| { |
| // one vertex clipped to Z+ |
| {tcu::Vec4(-0.2f, 0.7f, 0.0f, 1.0f), white, tcu::Vec4( 0.2f, 0.7f, 0.0f, 1.0f), white, tcu::Vec4( 0.0f, 0.9f, 2.0f, 1.0f), white}, |
| |
| // two vertices clipped to Z- |
| {tcu::Vec4( 0.9f, 0.4f, -1.5f, 1.0f), white, tcu::Vec4( 0.9f, -0.4f, -1.5f, 1.0f), white, tcu::Vec4( 0.6f, 0.0f, 0.0f, 1.0f), white}, |
| |
| // three vertices clipped |
| {tcu::Vec4(-0.9f, 0.6f, -2.0f, 1.0f), white, tcu::Vec4(-0.9f, -0.6f, -2.0f, 1.0f), white, tcu::Vec4(-0.4f, 0.0f, 2.0f, 1.0f), white}, |
| |
| // three vertices clipped by X, Y and Z |
| {tcu::Vec4( 0.0f, -1.2f, 0.0f, 1.0f), white, tcu::Vec4( 0.0f, 0.5f, -1.5f, 1.0f), white, tcu::Vec4( 1.2f, -0.9f, 0.0f, 1.0f), white}, |
| }; |
| const TriangleCase::TriangleData largePolys[] = |
| { |
| // one vertex clipped |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), white, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), white, tcu::Vec4( 0.0f, -large, 2.0f, 1.0f), white}, |
| |
| // two vertices clipped |
| {tcu::Vec4( 0.5f, 0.5f, 0.0f, 1.0f), white, tcu::Vec4( large, 0.5f, 0.0f, 1.0f), white, tcu::Vec4( 0.5f, large, 0.0f, 1.0f), white}, |
| |
| // three vertices clipped |
| {tcu::Vec4(-0.9f, -large, 0.0f, 1.0f), white, tcu::Vec4(-1.1f, -large, 0.0f, 1.0f), white, tcu::Vec4(-0.9f, large, 0.0f, 1.0f), white}, |
| }; |
| const TriangleCase::TriangleData largeDepthPolys[] = |
| { |
| // one vertex clipped |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), white, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), white, tcu::Vec4( 0.0f, -large, large, 1.0f), white}, |
| |
| // two vertices clipped |
| {tcu::Vec4( 0.5f, 0.5f, 0.0f, 1.0f), white, tcu::Vec4( 0.9f, large/2, -large, 1.0f), white, tcu::Vec4( large/4, 0.0f, -large, 1.0f), white}, |
| |
| // three vertices clipped |
| {tcu::Vec4(-0.9f, large/4, large, 1.0f), white, tcu::Vec4(-0.5f, -large/4, -large, 1.0f), white, tcu::Vec4(-0.2f, large/4, large, 1.0f), white}, |
| }; |
| const TriangleCase::TriangleData attribPolys[] = |
| { |
| // one vertex clipped to edge, large |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -large, 2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges, with non-uniform w |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| |
| // three vertices clipped, large, Z |
| {tcu::Vec4(-0.9f, large/4, large, 1.0f), red, tcu::Vec4(-0.5f, -large/4, -large, 1.0f), yellow, tcu::Vec4(-0.2f, large/4, large, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleCase(m_context, "poly_clip_viewport_center", "polygon viewport clipping", DE_ARRAY_BEGIN(viewportPolys), DE_ARRAY_END(viewportPolys), VIEWPORT_CENTER)); |
| addChild(new TriangleCase(m_context, "poly_clip_viewport_corner", "polygon viewport clipping", DE_ARRAY_BEGIN(viewportPolys), DE_ARRAY_END(viewportPolys), VIEWPORT_CORNER)); |
| |
| addChild(new TriangleCase(m_context, "poly_z_clip", "polygon z clipping", DE_ARRAY_BEGIN(depthPolys), DE_ARRAY_END(depthPolys), VIEWPORT_WHOLE)); |
| addChild(new TriangleCase(m_context, "poly_z_clip_viewport_center", "polygon z clipping", DE_ARRAY_BEGIN(depthPolys), DE_ARRAY_END(depthPolys), VIEWPORT_CENTER)); |
| addChild(new TriangleCase(m_context, "poly_z_clip_viewport_corner", "polygon z clipping", DE_ARRAY_BEGIN(depthPolys), DE_ARRAY_END(depthPolys), VIEWPORT_CORNER)); |
| |
| addChild(new TriangleCase(m_context, "large_poly_clip_viewport_center", "polygon viewport clipping", DE_ARRAY_BEGIN(largePolys), DE_ARRAY_END(largePolys), VIEWPORT_CENTER)); |
| addChild(new TriangleCase(m_context, "large_poly_clip_viewport_corner", "polygon viewport clipping", DE_ARRAY_BEGIN(largePolys), DE_ARRAY_END(largePolys), VIEWPORT_CORNER)); |
| |
| addChild(new TriangleCase(m_context, "large_poly_z_clip", "polygon z clipping", DE_ARRAY_BEGIN(largeDepthPolys), DE_ARRAY_END(largeDepthPolys), VIEWPORT_WHOLE)); |
| addChild(new TriangleCase(m_context, "large_poly_z_clip_viewport_center", "polygon z clipping", DE_ARRAY_BEGIN(largeDepthPolys), DE_ARRAY_END(largeDepthPolys), VIEWPORT_CENTER)); |
| addChild(new TriangleCase(m_context, "large_poly_z_clip_viewport_corner", "polygon z clipping", DE_ARRAY_BEGIN(largeDepthPolys), DE_ARRAY_END(largeDepthPolys), VIEWPORT_CORNER)); |
| |
| addChild(new TriangleAttributeCase(m_context, "poly_attrib_clip", "polygon clipping", DE_ARRAY_BEGIN(attribPolys), DE_ARRAY_END(attribPolys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "poly_attrib_clip_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(attribPolys), DE_ARRAY_END(attribPolys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "poly_attrib_clip_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(attribPolys), DE_ARRAY_END(attribPolys), VIEWPORT_CORNER)); |
| } |
| |
| // multiple polygons |
| { |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to edge |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, 2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges, with non-uniform w |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| |
| // three vertices clipped, Z |
| {tcu::Vec4(-0.9f, offset/4, offset, 1.0f), red, tcu::Vec4(-0.5f, -offset/4, -offset, 1.0f), yellow, tcu::Vec4(-0.2f, offset/4, offset, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_0", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_0_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_0_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, 2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges, with non-uniform w |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, 16.0f*tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_1", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_1_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_1_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, 2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_2", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_2_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_2_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, -2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_3", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_3_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_3_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(0.3f, 0.2f, 0.0f, 1.0f), red, tcu::Vec4( 0.3f, -0.2f, 0.0f, 1.0f), yellow, tcu::Vec4( offset, 0.0f, 2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_4", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_4_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_4_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.3f, 0.2f, 0.0f, 1.0f), red, tcu::Vec4(-0.3f, -0.2f, 0.0f, 1.0f), yellow, tcu::Vec4(-offset, 0.0f, 2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_5", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_5_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_5_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, 0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, 0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, offset, 2.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_6", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_6_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_6_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| |
| // two vertices clipped to edges |
| {tcu::Vec4( 0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( 0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4( 1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, 1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, 0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, 0.6f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4(-0.6f, -1.2f, 0.0f, 1.0f), red, tcu::Vec4(-1.2f, -0.6f, 0.0f, 1.0f), yellow, tcu::Vec4(-0.6f, -0.6f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_7", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_7_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_7_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, 2.0f, 1.0f), blue}, |
| |
| // fill |
| {tcu::Vec4( -1.0f, -1.0f, 0.0f, 1.0f), white, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), white, tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), white}, |
| {tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), blue, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), blue, tcu::Vec4( 1.0f, 1.0f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_8", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_8_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_8_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, 2.0f, 1.0f), blue}, |
| |
| // fill |
| {tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.0f, 1.0f, 0.0f, 1.0f), red}, |
| {tcu::Vec4( -1.0f, -1.0f, 0.0f, 1.0f), blue, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), blue, tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_9", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_9_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_9_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, 2.0f, 1.0f), blue}, |
| |
| // fill |
| {tcu::Vec4( -1.0f, -1.0f, 0.0f, 1.0f), white, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), white, tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), white}, |
| {tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.0f, 1.0f, 0.0f, 1.0f), red}, |
| {tcu::Vec4( -1.0f, -1.0f, 0.0f, 1.0f), blue, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), blue, tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), blue}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_10", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_10_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_10_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| |
| { |
| const TriangleAttributeCase::TriangleData polys[] = |
| { |
| // one vertex clipped to z |
| {tcu::Vec4(-0.2f, -0.3f, 0.0f, 1.0f), red, tcu::Vec4( 0.2f, -0.3f, 0.0f, 1.0f), yellow, tcu::Vec4( 0.0f, -offset, 2.0f, 1.0f), blue}, |
| |
| // fill |
| {tcu::Vec4( -1.0f, -1.0f, 0.0f, 1.0f), white, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), white, tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), white}, |
| {tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), red, tcu::Vec4( 1.0f, 1.0f, 0.0f, 1.0f), red}, |
| {tcu::Vec4( -1.0f, -1.0f, 0.0f, 1.0f), blue, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), blue, tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), blue}, |
| {tcu::Vec4( -1.0f, 1.0f, 0.0f, 1.0f), yellow, tcu::Vec4( 1.0f, -1.0f, 0.0f, 1.0f), yellow, tcu::Vec4( 1.0f, 1.0f, 0.0f, 1.0f), yellow}, |
| }; |
| |
| addChild(new TriangleAttributeCase(m_context, "multiple_11", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_WHOLE)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_11_viewport_center", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CENTER)); |
| addChild(new TriangleAttributeCase(m_context, "multiple_11_viewport_corner", "polygon clipping", DE_ARRAY_BEGIN(polys), DE_ARRAY_END(polys), VIEWPORT_CORNER)); |
| } |
| } |
| } |
| |
| class PolyEdgesTestGroup : public TestCaseGroup |
| { |
| public: |
| PolyEdgesTestGroup (Context& context); |
| |
| void init (void); |
| }; |
| |
| PolyEdgesTestGroup::PolyEdgesTestGroup (Context& context) |
| : TestCaseGroup(context, "polygon_edge", "Polygon clipping edge tests") |
| { |
| } |
| |
| void PolyEdgesTestGroup::init (void) |
| { |
| // Quads via origin |
| const struct Quad |
| { |
| tcu::Vec3 d1; // tangent |
| tcu::Vec3 d2; // bi-tangent |
| } quads[] = |
| { |
| { tcu::Vec3( 1, 1, 1), tcu::Vec3( 1, -1, 1) }, |
| { tcu::Vec3( 1, 1, 1), tcu::Vec3(-1, 1.1f, 1) }, |
| { tcu::Vec3( 1, 1, 0), tcu::Vec3(-1, 1, 0) }, |
| { tcu::Vec3( 0, 1, 0), tcu::Vec3( 1, 0, 0) }, |
| { tcu::Vec3( 0, 1, 0), tcu::Vec3( 1, 0.1f, 0) }, |
| }; |
| |
| // Quad near edge |
| const struct EdgeQuad |
| { |
| tcu::Vec3 d1; // tangent |
| tcu::Vec3 d2; // bi-tangent |
| tcu::Vec3 center; // center |
| } edgeQuads[] = |
| { |
| { tcu::Vec3( 1, 0.01f, 0 ), tcu::Vec3( 0, 0.01f, 0), tcu::Vec3( 0, 0.99f, 0 ) }, // edge near x-plane |
| { tcu::Vec3( 0.01f, 1, 0 ), tcu::Vec3( 0.01f, 0, 0), tcu::Vec3( 0.99f, 0, 0 ) }, // edge near y-plane |
| { tcu::Vec3( 1, 1, 0.01f), tcu::Vec3( 0.01f, -0.01f, 0), tcu::Vec3( 0, 0, 0.99f) }, // edge near z-plane |
| }; |
| |
| for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(quads); ++ndx) |
| addChild(new QuadFillTest(m_context, (std::string("quad_at_origin_") + de::toString(ndx)).c_str(), "polygon edge clipping", VIEWPORT_CENTER, quads[ndx].d1, quads[ndx].d2)); |
| for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(edgeQuads); ++ndx) |
| addChild(new QuadFillTest(m_context, (std::string("quad_near_edge_") + de::toString(ndx)).c_str(), "polygon edge clipping", VIEWPORT_CENTER, edgeQuads[ndx].d1, edgeQuads[ndx].d2, edgeQuads[ndx].center)); |
| |
| // Polyfan |
| addChild(new TriangleFanFillTest(m_context, "poly_fan", "polygon edge clipping", VIEWPORT_CENTER)); |
| } |
| |
| class PolyVertexClipTestGroup : public TestCaseGroup |
| { |
| public: |
| PolyVertexClipTestGroup (Context& context); |
| |
| void init (void); |
| }; |
| |
| PolyVertexClipTestGroup::PolyVertexClipTestGroup (Context& context) |
| : TestCaseGroup(context, "triangle_vertex", "Clip n vertices") |
| { |
| } |
| |
| void PolyVertexClipTestGroup::init (void) |
| { |
| const float far = 30000.0f; |
| const tcu::IVec3 outside[] = |
| { |
| // outside one clipping plane |
| tcu::IVec3(-1, 0, 0), |
| tcu::IVec3( 1, 0, 0), |
| tcu::IVec3( 0, 1, 0), |
| tcu::IVec3( 0, -1, 0), |
| tcu::IVec3( 0, 0, 1), |
| tcu::IVec3( 0, 0, -1), |
| |
| // outside two clipping planes |
| tcu::IVec3(-1, -1, 0), |
| tcu::IVec3( 1, -1, 0), |
| tcu::IVec3( 1, 1, 0), |
| tcu::IVec3(-1, 1, 0), |
| |
| tcu::IVec3(-1, 0, -1), |
| tcu::IVec3( 1, 0, -1), |
| tcu::IVec3( 1, 0, 1), |
| tcu::IVec3(-1, 0, 1), |
| |
| tcu::IVec3( 0, -1, -1), |
| tcu::IVec3( 0, 1, -1), |
| tcu::IVec3( 0, 1, 1), |
| tcu::IVec3( 0, -1, 1), |
| |
| // outside three clipping planes |
| tcu::IVec3(-1, -1, 1), |
| tcu::IVec3( 1, -1, 1), |
| tcu::IVec3( 1, 1, 1), |
| tcu::IVec3(-1, 1, 1), |
| |
| tcu::IVec3(-1, -1, -1), |
| tcu::IVec3( 1, -1, -1), |
| tcu::IVec3( 1, 1, -1), |
| tcu::IVec3(-1, 1, -1), |
| }; |
| |
| de::Random rnd(0xabcdef); |
| |
| TestCaseGroup* clipOne = new TestCaseGroup(m_context, "clip_one", "Clip one vertex"); |
| TestCaseGroup* clipTwo = new TestCaseGroup(m_context, "clip_two", "Clip two vertices"); |
| TestCaseGroup* clipThree = new TestCaseGroup(m_context, "clip_three", "Clip three vertices"); |
| |
| addChild(clipOne); |
| addChild(clipTwo); |
| addChild(clipThree); |
| |
| // Test 1 point clipped |
| for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(outside); ++ndx) |
| { |
| const float w0 = rnd.getFloat(0.2f, 16.0f); |
| const float w1 = rnd.getFloat(0.2f, 16.0f); |
| const float w2 = rnd.getFloat(0.2f, 16.0f); |
| const tcu::Vec4 white = tcu::Vec4( 1, 1, 1, 1); |
| const tcu::Vec3 r0 = tcu::Vec3( 0.2f, 0.3f, 0); |
| const tcu::Vec3 r1 = tcu::Vec3(-0.3f, -0.4f, 0); |
| const tcu::Vec3 r2 = IVec3ToVec3(outside[ndx]) * far; |
| const tcu::Vec4 p0 = tcu::Vec4(r0.x() * w0, r0.y() * w0, r0.z() * w0, w0); |
| const tcu::Vec4 p1 = tcu::Vec4(r1.x() * w1, r1.y() * w1, r1.z() * w1, w1); |
| const tcu::Vec4 p2 = tcu::Vec4(r2.x() * w2, r2.y() * w2, r2.z() * w2, w2); |
| |
| const std::string name = std::string("clip") + |
| (outside[ndx].x() > 0 ? "_pos_x" : (outside[ndx].x() < 0 ? "_neg_x" : "")) + |
| (outside[ndx].y() > 0 ? "_pos_y" : (outside[ndx].y() < 0 ? "_neg_y" : "")) + |
| (outside[ndx].z() > 0 ? "_pos_z" : (outside[ndx].z() < 0 ? "_neg_z" : "")); |
| |
| const TriangleCase::TriangleData triangle = {p0, white, p1, white, p2, white}; |
| |
| // don't try to test with degenerate (or almost degenerate) triangles |
| if (outside[ndx].x() == 0 && outside[ndx].y() == 0) |
| continue; |
| |
| clipOne->addChild(new TriangleCase(m_context, name.c_str(), "clip one vertex", &triangle, &triangle + 1, VIEWPORT_CENTER)); |
| } |
| |
| // Special triangles for "clip_z" cases, default triangles is not good, since it has very small visible area => problems with MSAA |
| { |
| const tcu::Vec4 white = tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f); |
| |
| const TriangleCase::TriangleData posZTriangle = |
| { |
| tcu::Vec4( 0.0f, -0.7f, -0.9f, 1.0f), white, |
| tcu::Vec4( 0.8f, 0.0f, -0.7f, 1.0f), white, |
| tcu::Vec4(-0.9f, 0.9f, 3.0f, 1.0f), white |
| }; |
| const TriangleCase::TriangleData negZTriangle = |
| { |
| tcu::Vec4( 0.0f, -0.7f, 0.9f, 1.0f), white, |
| tcu::Vec4( 0.4f, 0.0f, 0.7f, 1.0f), white, |
| tcu::Vec4(-0.9f, 0.9f, -3.0f, 1.0f), white |
| }; |
| |
| clipOne->addChild(new TriangleCase(m_context, "clip_pos_z", "clip one vertex", &posZTriangle, &posZTriangle + 1, VIEWPORT_CENTER)); |
| clipOne->addChild(new TriangleCase(m_context, "clip_neg_z", "clip one vertex", &negZTriangle, &negZTriangle + 1, VIEWPORT_CENTER)); |
| } |
| |
| // Test 2 points clipped |
| for (int ndx1 = 0; ndx1 < DE_LENGTH_OF_ARRAY(outside); ++ndx1) |
| for (int ndx2 = ndx1 + 1; ndx2 < DE_LENGTH_OF_ARRAY(outside); ++ndx2) |
| { |
| const float w0 = rnd.getFloat(0.2f, 16.0f); |
| const float w1 = rnd.getFloat(0.2f, 16.0f); |
| const float w2 = rnd.getFloat(0.2f, 16.0f); |
| const tcu::Vec4 white = tcu::Vec4( 1, 1, 1, 1); |
| const tcu::Vec3 r0 = tcu::Vec3( 0.2f, 0.3f, 0); |
| const tcu::IVec3 r1 = outside[ndx1]; |
| const tcu::IVec3 r2 = outside[ndx2]; |
| const tcu::Vec4 p0 = tcu::Vec4(r0.x() * w0, r0.y() * w0, r0.z() * w0, w0); |
| const tcu::Vec4 p1 = tcu::Vec4(float(r1.x()) * far * w1, float(r1.y()) * far * w1, float(r1.z()) * far * w1, w1); |
| const tcu::Vec4 p2 = tcu::Vec4(float(r2.x()) * far * w2, float(r2.y()) * far * w2, float(r2.z()) * far * w2, w2); |
| |
| const std::string name = std::string("clip") + |
| (outside[ndx1].x() > 0 ? "_pos_x" : (outside[ndx1].x() < 0 ? "_neg_x" : "")) + |
| (outside[ndx1].y() > 0 ? "_pos_y" : (outside[ndx1].y() < 0 ? "_neg_y" : "")) + |
| (outside[ndx1].z() > 0 ? "_pos_z" : (outside[ndx1].z() < 0 ? "_neg_z" : "")) + |
| "_and" + |
| (outside[ndx2].x() > 0 ? "_pos_x" : (outside[ndx2].x() < 0 ? "_neg_x" : "")) + |
| (outside[ndx2].y() > 0 ? "_pos_y" : (outside[ndx2].y() < 0 ? "_neg_y" : "")) + |
| (outside[ndx2].z() > 0 ? "_pos_z" : (outside[ndx2].z() < 0 ? "_neg_z" : "")); |
| |
| const TriangleCase::TriangleData triangle = {p0, white, p1, white, p2, white}; |
| |
| if (twoPointClippedTriangleInvisible(r0, r1, r2)) |
| continue; |
| |
| clipTwo->addChild(new TriangleCase(m_context, name.c_str(), "clip two vertices", &triangle, &triangle + 1, VIEWPORT_CENTER)); |
| } |
| |
| // Test 3 points clipped |
| for (int ndx1 = 0; ndx1 < DE_LENGTH_OF_ARRAY(outside); ++ndx1) |
| for (int ndx2 = ndx1 + 1; ndx2 < DE_LENGTH_OF_ARRAY(outside); ++ndx2) |
| for (int ndx3 = ndx2 + 1; ndx3 < DE_LENGTH_OF_ARRAY(outside); ++ndx3) |
| { |
| const float w0 = rnd.getFloat(0.2f, 16.0f); |
| const float w1 = rnd.getFloat(0.2f, 16.0f); |
| const float w2 = rnd.getFloat(0.2f, 16.0f); |
| const tcu::Vec4 white = tcu::Vec4(1, 1, 1, 1); |
| const tcu::IVec3 r0 = outside[ndx1]; |
| const tcu::IVec3 r1 = outside[ndx2]; |
| const tcu::IVec3 r2 = outside[ndx3]; |
| const tcu::Vec4 p0 = tcu::Vec4(float(r0.x()) * far * w0, float(r0.y()) * far * w0, float(r0.z()) * far * w0, w0); |
| const tcu::Vec4 p1 = tcu::Vec4(float(r1.x()) * far * w1, float(r1.y()) * far * w1, float(r1.z()) * far * w1, w1); |
| const tcu::Vec4 p2 = tcu::Vec4(float(r2.x()) * far * w2, float(r2.y()) * far * w2, float(r2.z()) * far * w2, w2); |
| |
| // ignore cases where polygon is along xz or yz planes |
| if (pointsOnLine(r0.swizzle(0, 1), r1.swizzle(0, 1), r2.swizzle(0, 1))) |
| continue; |
| |
| // triangle is visible only if it intersects the origin |
| if (pointOnTriangle(tcu::IVec3(0, 0, 0), r0, r1, r2)) |
| { |
| const TriangleCase::TriangleData triangle = {p0, white, p1, white, p2, white}; |
| const std::string name = std::string("clip") + |
| (outside[ndx1].x() > 0 ? "_pos_x" : (outside[ndx1].x() < 0 ? "_neg_x" : "")) + |
| (outside[ndx1].y() > 0 ? "_pos_y" : (outside[ndx1].y() < 0 ? "_neg_y" : "")) + |
| (outside[ndx1].z() > 0 ? "_pos_z" : (outside[ndx1].z() < 0 ? "_neg_z" : "")) + |
| "_and" + |
| (outside[ndx2].x() > 0 ? "_pos_x" : (outside[ndx2].x() < 0 ? "_neg_x" : "")) + |
| (outside[ndx2].y() > 0 ? "_pos_y" : (outside[ndx2].y() < 0 ? "_neg_y" : "")) + |
| (outside[ndx2].z() > 0 ? "_pos_z" : (outside[ndx2].z() < 0 ? "_neg_z" : "")) + |
| "_and" + |
| (outside[ndx3].x() > 0 ? "_pos_x" : (outside[ndx3].x() < 0 ? "_neg_x" : "")) + |
| (outside[ndx3].y() > 0 ? "_pos_y" : (outside[ndx3].y() < 0 ? "_neg_y" : "")) + |
| (outside[ndx3].z() > 0 ? "_pos_z" : (outside[ndx3].z() < 0 ? "_neg_z" : "")); |
| |
| clipThree->addChild(new TriangleCase(m_context, name.c_str(), "clip three vertices", &triangle, &triangle + 1, VIEWPORT_CENTER)); |
| } |
| } |
| } |
| |
| } // anonymous |
| |
| ClippingTests::ClippingTests (Context& context) |
| : TestCaseGroup(context, "clipping", "Clipping tests") |
| { |
| } |
| |
| ClippingTests::~ClippingTests (void) |
| { |
| } |
| |
| void ClippingTests::init (void) |
| { |
| addChild(new PointsTestGroup (m_context)); |
| addChild(new LinesTestGroup (m_context)); |
| addChild(new PolysTestGroup (m_context)); |
| addChild(new PolyEdgesTestGroup (m_context)); |
| addChild(new PolyVertexClipTestGroup(m_context)); |
| } |
| |
| } // Functional |
| } // gles3 |
| } // deqp |
