1 /*------------------------------------------------------------------------- 2 * drawElements Quality Program EGL Module 3 * --------------------------------------- 4 * 5 * Copyright 2015 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 * 19 *//*! 20 * \file 21 * \brief Test EXT_buffer_age 22 *//*--------------------------------------------------------------------*/ 23 24 #include "teglBufferAgeTests.hpp" 25 26 #include "tcuImageCompare.hpp" 27 #include "tcuTestLog.hpp" 28 #include "tcuSurface.hpp" 29 #include "tcuTextureUtil.hpp" 30 31 #include "egluNativeWindow.hpp" 32 #include "egluUtil.hpp" 33 #include "egluConfigFilter.hpp" 34 35 #include "eglwLibrary.hpp" 36 #include "eglwEnums.hpp" 37 38 #include "gluDefs.hpp" 39 #include "gluRenderContext.hpp" 40 #include "gluShaderProgram.hpp" 41 42 #include "glwDefs.hpp" 43 #include "glwEnums.hpp" 44 #include "glwFunctions.hpp" 45 46 #include "deRandom.hpp" 47 #include "deString.h" 48 49 #include <string> 50 #include <vector> 51 #include <sstream> 52 53 using std::string; 54 using std::vector; 55 using glw::GLubyte; 56 using tcu::IVec2; 57 58 using namespace eglw; 59 60 namespace deqp 61 { 62 namespace egl 63 { 64 namespace 65 { 66 67 typedef tcu::Vector<GLubyte, 3> Color; 68 69 class GLES2Renderer; 70 71 class ReferenceRenderer; 72 73 class BufferAgeTest : public TestCase 74 { 75 public: 76 enum DrawType 77 { 78 DRAWTYPE_GLES2_CLEAR, 79 DRAWTYPE_GLES2_RENDER 80 }; 81 82 enum ResizeType 83 { 84 RESIZETYPE_NONE = 0, 85 RESIZETYPE_BEFORE_SWAP, 86 RESIZETYPE_AFTER_SWAP, 87 88 RESIZETYPE_LAST 89 }; 90 91 BufferAgeTest (EglTestContext& eglTestCtx, 92 bool preserveColorBuffer, 93 const vector<DrawType>& oddFrameDrawType, 94 const vector<DrawType>& evenFrameDrawType, 95 ResizeType resizeType, 96 const char* name, 97 const char* description); 98 99 ~BufferAgeTest (void); 100 101 void init (void); 102 void deinit (void); 103 IterateResult iterate (void); 104 105 private: 106 void initEGLSurface (EGLConfig config); 107 void initEGLContext (EGLConfig config); 108 109 const int m_seed; 110 const bool m_preserveColorBuffer; 111 const vector<DrawType> m_oddFrameDrawType; 112 const vector<DrawType> m_evenFrameDrawType; 113 const ResizeType m_resizeType; 114 115 EGLDisplay m_eglDisplay; 116 eglu::NativeWindow* m_window; 117 EGLSurface m_eglSurface; 118 EGLConfig m_eglConfig; 119 EGLContext m_eglContext; 120 glw::Functions m_gl; 121 122 GLES2Renderer* m_gles2Renderer; 123 ReferenceRenderer* m_refRenderer; 124 125 }; 126 127 struct ColoredRect 128 { 129 public: 130 ColoredRect (const IVec2& bottomLeft_, const IVec2& topRight_, const Color& color_); 131 IVec2 bottomLeft; 132 IVec2 topRight; 133 Color color; 134 }; 135 136 ColoredRect::ColoredRect (const IVec2& bottomLeft_, const IVec2& topRight_, const Color& color_) 137 : bottomLeft(bottomLeft_) 138 , topRight (topRight_) 139 , color (color_) 140 { 141 } 142 143 struct DrawCommand 144 { 145 DrawCommand (const BufferAgeTest::DrawType drawType_, const ColoredRect& rect_); 146 BufferAgeTest::DrawType drawType; 147 ColoredRect rect; 148 }; 149 150 DrawCommand::DrawCommand (const BufferAgeTest::DrawType drawType_, const ColoredRect& rect_) 151 : drawType(drawType_) 152 , rect (rect_) 153 { 154 } 155 156 struct Frame 157 { 158 Frame (int width_, int height_); 159 int width; 160 int height; 161 vector<DrawCommand> draws; 162 }; 163 164 Frame::Frame (int width_, int height_) 165 : width(width_) 166 , height(height_) 167 { 168 } 169 170 171 // (x1,y1) lie in the lower-left quadrant while (x2,y2) lie in the upper-right. 172 // the coords are multiplied by 4 to amplify the minimial difference between coords to 4 (if not zero) 173 // to avoid the situation where two edges are too close to each other which makes the rounding error 174 // intoleratable by compareToReference() 175 void generateRandomFrame (Frame* dst, const vector<BufferAgeTest::DrawType>& drawTypes, de::Random& rnd) 176 { 177 for (size_t ndx = 0; ndx < drawTypes.size(); ndx++) 178 { 179 const int x1 = rnd.getInt(0, (dst->width-1)/8) * 4; 180 const int y1 = rnd.getInt(0, (dst->height-1)/8) * 4; 181 const int x2 = rnd.getInt((dst->width-1)/8, (dst->width-1)/4) * 4; 182 const int y2 = rnd.getInt((dst->height-1)/8, (dst->height-1)/4) * 4; 183 const GLubyte r = rnd.getUint8(); 184 const GLubyte g = rnd.getUint8(); 185 const GLubyte b = rnd.getUint8(); 186 const ColoredRect coloredRect (IVec2(x1, y1), IVec2(x2, y2), Color(r, g, b)); 187 const DrawCommand drawCommand (drawTypes[ndx], coloredRect); 188 (*dst).draws.push_back(drawCommand); 189 } 190 } 191 192 typedef vector<Frame> FrameSequence; 193 194 //helper function declaration 195 EGLConfig getEGLConfig (const Library& egl, EGLDisplay eglDisplay, bool preserveColorBuffer); 196 void clearColorScreen (const glw::Functions& gl, const tcu::Vec4& clearColor); 197 void clearColorReference (tcu::Surface* ref, const tcu::Vec4& clearColor); 198 void readPixels (const glw::Functions& gl, tcu::Surface* screen); 199 float windowToDeviceCoordinates (int x, int length); 200 bool compareToReference (tcu::TestLog& log, const tcu::Surface& reference, const tcu::Surface& buffer, int frameNdx, int bufferNum); 201 vector<int> getFramesOnBuffer (const vector<int>& bufferAges, int frameNdx); 202 203 class GLES2Renderer 204 { 205 public: 206 GLES2Renderer (const glw::Functions& gl); 207 ~GLES2Renderer (void); 208 void render (int width, int height, const Frame& frame) const; 209 210 private: 211 GLES2Renderer (const GLES2Renderer&); 212 GLES2Renderer& operator= (const GLES2Renderer&); 213 214 const glw::Functions& m_gl; 215 glu::ShaderProgram m_glProgram; 216 glw::GLuint m_coordLoc; 217 glw::GLuint m_colorLoc; 218 }; 219 220 // generate sources for vertex and fragment buffer 221 glu::ProgramSources getSources (void) 222 { 223 const char* const vertexShaderSource = 224 "attribute mediump vec4 a_pos;\n" 225 "attribute mediump vec4 a_color;\n" 226 "varying mediump vec4 v_color;\n" 227 "void main(void)\n" 228 "{\n" 229 "\tv_color = a_color;\n" 230 "\tgl_Position = a_pos;\n" 231 "}"; 232 233 const char* const fragmentShaderSource = 234 "varying mediump vec4 v_color;\n" 235 "void main(void)\n" 236 "{\n" 237 "\tgl_FragColor = v_color;\n" 238 "}"; 239 240 return glu::makeVtxFragSources(vertexShaderSource, fragmentShaderSource); 241 } 242 243 GLES2Renderer::GLES2Renderer (const glw::Functions& gl) 244 : m_gl (gl) 245 , m_glProgram (gl, getSources()) 246 , m_coordLoc ((glw::GLuint)-1) 247 , m_colorLoc ((glw::GLuint)-1) 248 { 249 m_colorLoc = m_gl.getAttribLocation(m_glProgram.getProgram(), "a_color"); 250 m_coordLoc = m_gl.getAttribLocation(m_glProgram.getProgram(), "a_pos"); 251 GLU_EXPECT_NO_ERROR(m_gl.getError(), "Failed to get attribute locations"); 252 } 253 254 GLES2Renderer::~GLES2Renderer (void) 255 { 256 } 257 258 void GLES2Renderer::render (int width, int height, const Frame& frame) const 259 { 260 for (size_t drawNdx = 0; drawNdx < frame.draws.size(); drawNdx++) 261 { 262 const ColoredRect& coloredRect = frame.draws[drawNdx].rect; 263 if (frame.draws[drawNdx].drawType == BufferAgeTest::DRAWTYPE_GLES2_RENDER) 264 { 265 float x1 = windowToDeviceCoordinates(coloredRect.bottomLeft.x(), width); 266 float y1 = windowToDeviceCoordinates(coloredRect.bottomLeft.y(), height); 267 float x2 = windowToDeviceCoordinates(coloredRect.topRight.x(), width); 268 float y2 = windowToDeviceCoordinates(coloredRect.topRight.y(), height); 269 270 const glw::GLfloat coords[] = 271 { 272 x1, y1, 0.0f, 1.0f, 273 x1, y2, 0.0f, 1.0f, 274 x2, y2, 0.0f, 1.0f, 275 276 x2, y2, 0.0f, 1.0f, 277 x2, y1, 0.0f, 1.0f, 278 x1, y1, 0.0f, 1.0f 279 }; 280 281 const glw::GLubyte colors[] = 282 { 283 coloredRect.color.x(), coloredRect.color.y(), coloredRect.color.z(), 255, 284 coloredRect.color.x(), coloredRect.color.y(), coloredRect.color.z(), 255, 285 coloredRect.color.x(), coloredRect.color.y(), coloredRect.color.z(), 255, 286 287 coloredRect.color.x(), coloredRect.color.y(), coloredRect.color.z(), 255, 288 coloredRect.color.x(), coloredRect.color.y(), coloredRect.color.z(), 255, 289 coloredRect.color.x(), coloredRect.color.y(), coloredRect.color.z(), 255, 290 }; 291 292 m_gl.useProgram(m_glProgram.getProgram()); 293 GLU_EXPECT_NO_ERROR(m_gl.getError(), "glUseProgram() failed"); 294 295 m_gl.enableVertexAttribArray(m_coordLoc); 296 m_gl.enableVertexAttribArray(m_colorLoc); 297 GLU_EXPECT_NO_ERROR(m_gl.getError(), "Failed to enable attributes"); 298 299 m_gl.vertexAttribPointer(m_coordLoc, 4, GL_FLOAT, GL_FALSE, 0, coords); 300 m_gl.vertexAttribPointer(m_colorLoc, 4, GL_UNSIGNED_BYTE, GL_TRUE, 0, colors); 301 GLU_EXPECT_NO_ERROR(m_gl.getError(), "Failed to set attribute pointers"); 302 303 m_gl.drawArrays(GL_TRIANGLES, 0, DE_LENGTH_OF_ARRAY(coords)/4); 304 GLU_EXPECT_NO_ERROR(m_gl.getError(), "glDrawArrays(), failed"); 305 306 m_gl.disableVertexAttribArray(m_coordLoc); 307 m_gl.disableVertexAttribArray(m_colorLoc); 308 GLU_EXPECT_NO_ERROR(m_gl.getError(), "Failed to disable attributes"); 309 310 m_gl.useProgram(0); 311 GLU_EXPECT_NO_ERROR(m_gl.getError(), "glUseProgram() failed"); 312 } 313 else if (frame.draws[drawNdx].drawType == BufferAgeTest::DRAWTYPE_GLES2_CLEAR) 314 { 315 m_gl.enable(GL_SCISSOR_TEST); 316 m_gl.scissor(coloredRect.bottomLeft.x(), coloredRect.bottomLeft.y(), 317 coloredRect.topRight.x()-coloredRect.bottomLeft.x(), coloredRect.topRight.y()-coloredRect.bottomLeft.y()); 318 m_gl.clearColor(coloredRect.color.x()/255.0f, coloredRect.color.y()/255.0f, coloredRect.color.z()/255.0f, 1.0f); 319 m_gl.clear(GL_COLOR_BUFFER_BIT); 320 m_gl.disable(GL_SCISSOR_TEST); 321 } 322 else 323 DE_ASSERT(false); 324 } 325 } 326 327 class ReferenceRenderer 328 { 329 public: 330 ReferenceRenderer (void); 331 void render (tcu::Surface* target, const Frame& frame) const; 332 private: 333 ReferenceRenderer (const ReferenceRenderer&); 334 ReferenceRenderer& operator= (const ReferenceRenderer&); 335 }; 336 337 ReferenceRenderer::ReferenceRenderer(void) 338 { 339 } 340 341 void ReferenceRenderer::render (tcu::Surface* target, const Frame& frame) const 342 { 343 for (size_t drawNdx = 0; drawNdx < frame.draws.size(); drawNdx++) 344 { 345 const ColoredRect& coloredRect = frame.draws[drawNdx].rect; 346 if (frame.draws[drawNdx].drawType == BufferAgeTest::DRAWTYPE_GLES2_RENDER || frame.draws[drawNdx].drawType == BufferAgeTest::DRAWTYPE_GLES2_CLEAR) 347 { 348 // tcu does not support degenerate subregions. Since they correspond to no-op rendering, just skip them. 349 if (coloredRect.bottomLeft.x() == coloredRect.topRight.x() || coloredRect.bottomLeft.y() == coloredRect.topRight.y()) 350 continue; 351 352 const tcu::UVec4 color(coloredRect.color.x(), coloredRect.color.y(), coloredRect.color.z(), 255); 353 tcu::clear(tcu::getSubregion(target->getAccess(), coloredRect.bottomLeft.x(), coloredRect.bottomLeft.y(), 354 coloredRect.topRight.x()-coloredRect.bottomLeft.x(), coloredRect.topRight.y()-coloredRect.bottomLeft.y()), color); 355 } 356 else 357 DE_ASSERT(false); 358 } 359 } 360 361 BufferAgeTest::BufferAgeTest (EglTestContext& eglTestCtx, 362 bool preserveColorBuffer, 363 const vector<DrawType>& oddFrameDrawType, 364 const vector<DrawType>& evenFrameDrawType, 365 ResizeType resizeType, 366 const char* name, 367 const char* description) 368 : TestCase (eglTestCtx, name, description) 369 , m_seed (deStringHash(name)) 370 , m_preserveColorBuffer (preserveColorBuffer) 371 , m_oddFrameDrawType (oddFrameDrawType) 372 , m_evenFrameDrawType (evenFrameDrawType) 373 , m_resizeType (resizeType) 374 , m_eglDisplay (EGL_NO_DISPLAY) 375 , m_window (DE_NULL) 376 , m_eglSurface (EGL_NO_SURFACE) 377 , m_eglContext (EGL_NO_CONTEXT) 378 , m_gles2Renderer (DE_NULL) 379 , m_refRenderer (DE_NULL) 380 { 381 } 382 383 BufferAgeTest::~BufferAgeTest (void) 384 { 385 deinit(); 386 } 387 388 void BufferAgeTest::init (void) 389 { 390 const Library& egl = m_eglTestCtx.getLibrary(); 391 392 m_eglDisplay = eglu::getAndInitDisplay(m_eglTestCtx.getNativeDisplay()); 393 m_eglConfig = getEGLConfig(m_eglTestCtx.getLibrary(), m_eglDisplay, m_preserveColorBuffer); 394 395 if (m_eglConfig == DE_NULL) 396 TCU_THROW(NotSupportedError, "No supported config found"); 397 398 //create surface and context and make them current 399 initEGLSurface(m_eglConfig); 400 initEGLContext(m_eglConfig); 401 402 m_eglTestCtx.initGLFunctions(&m_gl, glu::ApiType::es(2,0)); 403 404 if (eglu::hasExtension(egl, m_eglDisplay, "EGL_EXT_buffer_age") == false) 405 TCU_THROW(NotSupportedError, "EGL_EXT_buffer_age is not supported"); 406 407 m_gles2Renderer = new GLES2Renderer(m_gl); 408 m_refRenderer = new ReferenceRenderer(); 409 } 410 411 void BufferAgeTest::deinit (void) 412 { 413 const Library& egl = m_eglTestCtx.getLibrary(); 414 415 delete m_refRenderer; 416 m_refRenderer = DE_NULL; 417 418 delete m_gles2Renderer; 419 m_gles2Renderer = DE_NULL; 420 421 if (m_eglContext != EGL_NO_CONTEXT) 422 { 423 egl.makeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); 424 egl.destroyContext(m_eglDisplay, m_eglContext); 425 m_eglContext = EGL_NO_CONTEXT; 426 } 427 428 if (m_eglSurface != EGL_NO_SURFACE) 429 { 430 egl.destroySurface(m_eglDisplay, m_eglSurface); 431 m_eglSurface = EGL_NO_SURFACE; 432 } 433 434 if (m_eglDisplay != EGL_NO_DISPLAY) 435 { 436 egl.terminate(m_eglDisplay); 437 m_eglDisplay = EGL_NO_DISPLAY; 438 } 439 440 delete m_window; 441 m_window = DE_NULL; 442 } 443 444 void BufferAgeTest::initEGLSurface (EGLConfig config) 445 { 446 const eglu::NativeWindowFactory& factory = eglu::selectNativeWindowFactory(m_eglTestCtx.getNativeDisplayFactory(), m_testCtx.getCommandLine()); 447 m_window = factory.createWindow(&m_eglTestCtx.getNativeDisplay(), m_eglDisplay, config, DE_NULL, 448 eglu::WindowParams(480, 480, eglu::parseWindowVisibility(m_testCtx.getCommandLine()))); 449 m_eglSurface = eglu::createWindowSurface(m_eglTestCtx.getNativeDisplay(), *m_window, m_eglDisplay, config, DE_NULL); 450 } 451 452 void BufferAgeTest::initEGLContext (EGLConfig config) 453 { 454 const Library& egl = m_eglTestCtx.getLibrary(); 455 const EGLint attribList[] = 456 { 457 EGL_CONTEXT_CLIENT_VERSION, 2, 458 EGL_NONE 459 }; 460 461 egl.bindAPI(EGL_OPENGL_ES_API); 462 m_eglContext = egl.createContext(m_eglDisplay, config, EGL_NO_CONTEXT, attribList); 463 EGLU_CHECK_MSG(egl, "eglCreateContext"); 464 DE_ASSERT(m_eglSurface != EGL_NO_SURFACE); 465 egl.makeCurrent(m_eglDisplay, m_eglSurface, m_eglSurface, m_eglContext); 466 EGLU_CHECK_MSG(egl, "eglMakeCurrent"); 467 } 468 469 // return indices of frames that have been written to the given buffer 470 vector<int> getFramesOnBuffer (const vector<int>& bufferAges, int frameNdx) 471 { 472 DE_ASSERT(frameNdx < (int)bufferAges.size()); 473 vector<int> frameOnBuffer; 474 int age = bufferAges[frameNdx]; 475 while (age != 0) 476 { 477 frameNdx = frameNdx - age; 478 DE_ASSERT(frameNdx >= 0); 479 frameOnBuffer.push_back(frameNdx); 480 age = bufferAges[frameNdx]; 481 } 482 483 reverse(frameOnBuffer.begin(), frameOnBuffer.end()); 484 return frameOnBuffer; 485 } 486 487 TestCase::IterateResult BufferAgeTest::iterate (void) 488 { 489 de::Random rnd (m_seed); 490 const Library& egl = m_eglTestCtx.getLibrary(); 491 tcu::TestLog& log = m_testCtx.getLog(); 492 const int width = eglu::querySurfaceInt(egl, m_eglDisplay, m_eglSurface, EGL_WIDTH); 493 const int height = eglu::querySurfaceInt(egl, m_eglDisplay, m_eglSurface, EGL_HEIGHT); 494 const float clearRed = rnd.getFloat(); 495 const float clearGreen = rnd.getFloat(); 496 const float clearBlue = rnd.getFloat(); 497 const tcu::Vec4 clearColor (clearRed, clearGreen, clearBlue, 1.0f); 498 const int numFrames = 20; 499 FrameSequence frameSequence; 500 vector<int> bufferAges; 501 502 if (m_preserveColorBuffer) 503 EGLU_CHECK_CALL(egl, surfaceAttrib(m_eglDisplay, m_eglSurface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED)); 504 else 505 EGLU_CHECK_CALL(egl, surfaceAttrib(m_eglDisplay, m_eglSurface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_DESTROYED)); 506 507 for (int frameNdx = 0; frameNdx < numFrames; frameNdx++) 508 { 509 tcu::Surface currentBuffer (width, height); 510 tcu::Surface refBuffer (width, height); 511 Frame newFrame (width, height); 512 EGLint currentBufferAge = -1; 513 514 if (frameNdx % 2 == 0) 515 generateRandomFrame(&newFrame, m_evenFrameDrawType, rnd); 516 else 517 generateRandomFrame(&newFrame, m_oddFrameDrawType, rnd); 518 519 frameSequence.push_back(newFrame); 520 521 EGLU_CHECK_CALL(egl, querySurface(m_eglDisplay, m_eglSurface, EGL_BUFFER_AGE_EXT, ¤tBufferAge)); 522 523 if (currentBufferAge > frameNdx || currentBufferAge < 0) // invalid buffer age 524 { 525 std::ostringstream stream; 526 stream << "Fail, the age is invalid. Age: " << currentBufferAge << ", frameNdx: " << frameNdx; 527 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, stream.str().c_str()); 528 return STOP; 529 } 530 531 if (frameNdx > 0 && m_preserveColorBuffer && currentBufferAge != 1) 532 { 533 std::ostringstream stream; 534 stream << "Fail, EGL_BUFFER_PRESERVED is set to true, but buffer age is: " << currentBufferAge << " (should be 1)"; 535 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, stream.str().c_str()); 536 return STOP; 537 } 538 539 bufferAges.push_back(currentBufferAge); 540 DE_ASSERT((int)bufferAges.size() == frameNdx+1); 541 542 // during first half, just keep rendering without reading pixel back to mimic ordinary use case 543 if (frameNdx < numFrames/2) 544 { 545 if (currentBufferAge == 0) 546 clearColorScreen(m_gl, clearColor); 547 548 m_gles2Renderer->render(width, height, newFrame); 549 550 if (m_resizeType == RESIZETYPE_BEFORE_SWAP) 551 { 552 if (frameNdx % 2 == 0) 553 m_window->setSurfaceSize(IVec2(width*2, height/2)); 554 else 555 m_window->setSurfaceSize(IVec2(height/2, width*2)); 556 } 557 558 EGLU_CHECK_CALL(egl, swapBuffers(m_eglDisplay, m_eglSurface)); 559 560 if (m_resizeType == RESIZETYPE_AFTER_SWAP) 561 { 562 if (frameNdx % 2 == 0) 563 m_window->setSurfaceSize(IVec2(width*2, height/2)); 564 else 565 m_window->setSurfaceSize(IVec2(height/2, width*2)); 566 } 567 568 continue; 569 } 570 571 // do verification in the second half 572 if (currentBufferAge > 0) //buffer contain previous content, need to verify 573 { 574 const vector<int> framesOnBuffer = getFramesOnBuffer(bufferAges, frameNdx); 575 readPixels(m_gl, ¤tBuffer); 576 clearColorReference(&refBuffer, clearColor); 577 578 for (vector<int>::const_iterator it = framesOnBuffer.begin(); it != framesOnBuffer.end(); it++) 579 m_refRenderer->render(&refBuffer, frameSequence[*it]); 580 581 if (compareToReference(log, refBuffer, currentBuffer, frameNdx, frameNdx-currentBufferAge) == false) 582 { 583 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail, buffer content is not well preserved when age > 0"); 584 return STOP; 585 } 586 } 587 else // currentBufferAge == 0, content is undefined, clear the buffer, currentBufferAge < 0 is ruled out at the beginning 588 { 589 clearColorScreen(m_gl, clearColor); 590 clearColorReference(&refBuffer, clearColor); 591 } 592 593 m_gles2Renderer->render(width, height, newFrame); 594 m_refRenderer->render(&refBuffer, newFrame); 595 596 readPixels(m_gl, ¤tBuffer); 597 598 if (compareToReference(log, refBuffer, currentBuffer, frameNdx, frameNdx) == false) 599 { 600 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail, render result is wrong"); 601 return STOP; 602 } 603 604 if (m_resizeType == RESIZETYPE_BEFORE_SWAP) 605 { 606 if (frameNdx % 2 == 0) 607 m_window->setSurfaceSize(IVec2(width*2, height/2)); 608 else 609 m_window->setSurfaceSize(IVec2(height/2, width*2)); 610 } 611 612 EGLU_CHECK_CALL(egl, swapBuffers(m_eglDisplay, m_eglSurface)); 613 614 if (m_resizeType == RESIZETYPE_AFTER_SWAP) 615 { 616 if (frameNdx % 2 == 0) 617 m_window->setSurfaceSize(IVec2(width*2, height/2)); 618 else 619 m_window->setSurfaceSize(IVec2(height/2, width*2)); 620 } 621 } 622 623 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); 624 return STOP; 625 } 626 627 string generateDrawTypeName (const vector<BufferAgeTest::DrawType>& drawTypes) 628 { 629 std::ostringstream stream; 630 if (drawTypes.size() == 0) 631 return string("_none"); 632 633 for (size_t ndx = 0; ndx < drawTypes.size(); ndx++) 634 { 635 if (drawTypes[ndx] == BufferAgeTest::DRAWTYPE_GLES2_RENDER) 636 stream << "_render"; 637 else if (drawTypes[ndx] == BufferAgeTest::DRAWTYPE_GLES2_CLEAR) 638 stream << "_clear"; 639 else 640 DE_ASSERT(false); 641 } 642 return stream.str(); 643 } 644 645 string generateTestName (const vector<BufferAgeTest::DrawType>& oddFrameDrawType, const vector<BufferAgeTest::DrawType>& evenFrameDrawType) 646 { 647 return "odd" + generateDrawTypeName(oddFrameDrawType) + "_even" + generateDrawTypeName(evenFrameDrawType); 648 } 649 650 string generateResizeGroupName (BufferAgeTest::ResizeType resizeType) 651 { 652 switch (resizeType) 653 { 654 case BufferAgeTest::RESIZETYPE_NONE: 655 return "no_resize"; 656 657 case BufferAgeTest::RESIZETYPE_AFTER_SWAP: 658 return "resize_after_swap"; 659 660 case BufferAgeTest::RESIZETYPE_BEFORE_SWAP: 661 return "resize_before_swap"; 662 663 default: 664 DE_FATAL("Unknown resize type"); 665 return ""; 666 } 667 } 668 669 bool isWindow (const eglu::CandidateConfig& c) 670 { 671 return (c.surfaceType() & EGL_WINDOW_BIT) == EGL_WINDOW_BIT; 672 } 673 674 bool isES2Renderable (const eglu::CandidateConfig& c) 675 { 676 return (c.get(EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT) == EGL_OPENGL_ES2_BIT; 677 } 678 679 bool hasPreserveSwap (const eglu::CandidateConfig& c) 680 { 681 return (c.surfaceType() & EGL_SWAP_BEHAVIOR_PRESERVED_BIT) == EGL_SWAP_BEHAVIOR_PRESERVED_BIT; 682 } 683 684 EGLConfig getEGLConfig (const Library& egl, EGLDisplay eglDisplay, bool preserveColorBuffer) 685 { 686 eglu::FilterList filters; 687 filters << isWindow << isES2Renderable; 688 if (preserveColorBuffer) 689 filters << hasPreserveSwap; 690 return eglu::chooseSingleConfig(egl, eglDisplay, filters); 691 } 692 693 void clearColorScreen (const glw::Functions& gl, const tcu::Vec4& clearColor) 694 { 695 gl.clearColor(clearColor.x(), clearColor.y(), clearColor.z(), clearColor.w()); 696 gl.clear(GL_COLOR_BUFFER_BIT); 697 } 698 699 void clearColorReference (tcu::Surface* ref, const tcu::Vec4& clearColor) 700 { 701 tcu::clear(ref->getAccess(), clearColor); 702 } 703 704 void readPixels (const glw::Functions& gl, tcu::Surface* screen) 705 { 706 gl.readPixels(0, 0, screen->getWidth(), screen->getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, screen->getAccess().getDataPtr()); 707 } 708 709 float windowToDeviceCoordinates (int x, int length) 710 { 711 return (2.0f * float(x) / float(length)) - 1.0f; 712 } 713 714 bool compareToReference (tcu::TestLog& log, const tcu::Surface& reference, const tcu::Surface& buffer, int frameNdx, int bufferNum) 715 { 716 std::ostringstream stream; 717 stream << "FrameNdx = " << frameNdx << ", compare current buffer (numbered: " << bufferNum << ") to reference"; 718 return tcu::intThresholdPositionDeviationCompare(log, "buffer age test", stream.str().c_str(), reference.getAccess(), buffer.getAccess(), 719 tcu::UVec4(8, 8, 8, 0), tcu::IVec3(2,2,0), true, tcu::COMPARE_LOG_RESULT); 720 } 721 722 } // anonymous 723 724 BufferAgeTests::BufferAgeTests (EglTestContext& eglTestCtx) 725 : TestCaseGroup(eglTestCtx, "buffer_age", "Color buffer age tests") 726 { 727 } 728 729 void BufferAgeTests::init (void) 730 { 731 const BufferAgeTest::DrawType clearRender[] = 732 { 733 BufferAgeTest::DRAWTYPE_GLES2_CLEAR, 734 BufferAgeTest::DRAWTYPE_GLES2_RENDER 735 }; 736 737 const BufferAgeTest::DrawType renderClear[] = 738 { 739 BufferAgeTest::DRAWTYPE_GLES2_RENDER, 740 BufferAgeTest::DRAWTYPE_GLES2_CLEAR 741 }; 742 743 const BufferAgeTest::ResizeType resizeTypes[] = 744 { 745 BufferAgeTest::RESIZETYPE_NONE, 746 BufferAgeTest::RESIZETYPE_BEFORE_SWAP, 747 BufferAgeTest::RESIZETYPE_AFTER_SWAP 748 }; 749 750 vector< vector<BufferAgeTest::DrawType> > frameDrawTypes; 751 frameDrawTypes.push_back(vector<BufferAgeTest::DrawType> ()); 752 frameDrawTypes.push_back(vector<BufferAgeTest::DrawType> (1, BufferAgeTest::DRAWTYPE_GLES2_CLEAR)); 753 frameDrawTypes.push_back(vector<BufferAgeTest::DrawType> (1, BufferAgeTest::DRAWTYPE_GLES2_RENDER)); 754 frameDrawTypes.push_back(vector<BufferAgeTest::DrawType> (2, BufferAgeTest::DRAWTYPE_GLES2_CLEAR)); 755 frameDrawTypes.push_back(vector<BufferAgeTest::DrawType> (2, BufferAgeTest::DRAWTYPE_GLES2_RENDER)); 756 frameDrawTypes.push_back(vector<BufferAgeTest::DrawType> (DE_ARRAY_BEGIN(clearRender), DE_ARRAY_END(clearRender))); 757 frameDrawTypes.push_back(vector<BufferAgeTest::DrawType> (DE_ARRAY_BEGIN(renderClear), DE_ARRAY_END(renderClear))); 758 759 for (int preserveNdx = 0; preserveNdx < 2; preserveNdx++) 760 { 761 const bool preserve = (preserveNdx == 0); 762 TestCaseGroup* const preserveGroup = new TestCaseGroup(m_eglTestCtx, (preserve ? "preserve" : "no_preserve"), ""); 763 764 for (size_t resizeTypeNdx = 0; resizeTypeNdx < DE_LENGTH_OF_ARRAY(resizeTypes); resizeTypeNdx++) 765 { 766 const BufferAgeTest::ResizeType resizeType = resizeTypes[resizeTypeNdx]; 767 TestCaseGroup* const resizeGroup = new TestCaseGroup(m_eglTestCtx, generateResizeGroupName(resizeType).c_str(), ""); 768 769 for (size_t evenNdx = 0; evenNdx < frameDrawTypes.size(); evenNdx++) 770 { 771 const vector<BufferAgeTest::DrawType>& evenFrameDrawType = frameDrawTypes[evenNdx]; 772 773 for (size_t oddNdx = evenNdx; oddNdx < frameDrawTypes.size(); oddNdx++) 774 { 775 const vector<BufferAgeTest::DrawType>& oddFrameDrawType = frameDrawTypes[oddNdx]; 776 const std::string name = generateTestName(oddFrameDrawType, evenFrameDrawType); 777 resizeGroup->addChild(new BufferAgeTest(m_eglTestCtx, preserve, oddFrameDrawType, evenFrameDrawType, BufferAgeTest::RESIZETYPE_NONE, name.c_str(), "")); 778 } 779 } 780 781 preserveGroup->addChild(resizeGroup); 782 } 783 addChild(preserveGroup); 784 } 785 } 786 787 } // egl 788 } // deqp 789