1 /*------------------------------------------------------------------------- 2 * drawElements Quality Program OpenGL ES 3.1 Module 3 * ------------------------------------------------- 4 * 5 * Copyright 2014 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 Stencil texturing tests. 22 *//*--------------------------------------------------------------------*/ 23 24 #include "es31fStencilTexturingTests.hpp" 25 26 #include "gluStrUtil.hpp" 27 #include "gluObjectWrapper.hpp" 28 #include "gluRenderContext.hpp" 29 #include "gluShaderProgram.hpp" 30 #include "gluDrawUtil.hpp" 31 #include "gluPixelTransfer.hpp" 32 #include "gluTextureUtil.hpp" 33 #include "gluContextInfo.hpp" 34 35 #include "glsTextureTestUtil.hpp" 36 37 #include "tcuVector.hpp" 38 #include "tcuTexture.hpp" 39 #include "tcuTextureUtil.hpp" 40 #include "tcuTestLog.hpp" 41 #include "tcuTexLookupVerifier.hpp" 42 43 #include "glwFunctions.hpp" 44 #include "glwEnums.hpp" 45 46 #include "deStringUtil.hpp" 47 48 namespace deqp 49 { 50 namespace gles31 51 { 52 namespace Functional 53 { 54 55 using std::vector; 56 using std::string; 57 using tcu::IVec4; 58 using tcu::Vec2; 59 using tcu::Vec4; 60 using tcu::TestLog; 61 using tcu::TextureLevel; 62 using tcu::TextureFormat; 63 64 namespace 65 { 66 67 static void genTestRects (vector<IVec4>& rects, int width, int height) 68 { 69 int curWidth = width; 70 int curHeight = height; 71 int ndx = 0; 72 73 for (;;) 74 { 75 rects.push_back(IVec4(width-curWidth, height-curHeight, curWidth, curHeight)); 76 77 DE_ASSERT(curWidth >= 1 && curHeight >= 1); 78 if (curWidth == 1 && curHeight == 1) 79 break; 80 else if (curHeight > 1 && ((ndx%2) == 0 || curWidth == 1)) 81 curHeight -= 1; 82 else 83 curWidth -= 1; 84 85 ndx += 1; 86 } 87 } 88 89 static void rectsToTriangles (const vector<IVec4>& rects, int width, int height, vector<Vec2>& positions, vector<deUint16>& indices) 90 { 91 const float w = float(width); 92 const float h = float(height); 93 94 positions.resize(rects.size()*4); 95 indices.resize(rects.size()*6); 96 97 for (int rectNdx = 0; rectNdx < (int)rects.size(); rectNdx++) 98 { 99 const int rx = rects[rectNdx].x(); 100 const int ry = rects[rectNdx].y(); 101 const int rw = rects[rectNdx].z(); 102 const int rh = rects[rectNdx].w(); 103 104 const float x0 = float(rx*2)/w - 1.0f; 105 const float x1 = float((rx+rw)*2)/w - 1.0f; 106 const float y0 = float(ry*2)/h - 1.0f; 107 const float y1 = float((ry+rh)*2)/h - 1.0f; 108 109 positions[rectNdx*4 + 0] = Vec2(x0, y0); 110 positions[rectNdx*4 + 1] = Vec2(x1, y0); 111 positions[rectNdx*4 + 2] = Vec2(x0, y1); 112 positions[rectNdx*4 + 3] = Vec2(x1, y1); 113 114 indices[rectNdx*6 + 0] = (deUint16)(rectNdx*4 + 0); 115 indices[rectNdx*6 + 1] = (deUint16)(rectNdx*4 + 1); 116 indices[rectNdx*6 + 2] = (deUint16)(rectNdx*4 + 2); 117 indices[rectNdx*6 + 3] = (deUint16)(rectNdx*4 + 2); 118 indices[rectNdx*6 + 4] = (deUint16)(rectNdx*4 + 1); 119 indices[rectNdx*6 + 5] = (deUint16)(rectNdx*4 + 3); 120 } 121 } 122 123 static void drawTestPattern (const glu::RenderContext& renderCtx, int width, int height) 124 { 125 const glu::ShaderProgram program(renderCtx, glu::ProgramSources() 126 << glu::VertexSource( 127 "#version 300 es\n" 128 "in highp vec4 a_position;\n" 129 "void main (void)\n" 130 "{\n" 131 " gl_Position = a_position;\n" 132 "}\n") 133 << glu::FragmentSource( 134 "#version 300 es\n" 135 "void main (void) {}\n")); 136 137 const glw::Functions& gl = renderCtx.getFunctions(); 138 vector<IVec4> rects; 139 vector<Vec2> positions; 140 vector<deUint16> indices; 141 142 if (!program.isOk()) 143 throw tcu::TestError("Compile failed"); 144 145 gl.useProgram (program.getProgram()); 146 gl.viewport (0, 0, width, height); 147 gl.clear (GL_STENCIL_BUFFER_BIT); 148 gl.enable (GL_STENCIL_TEST); 149 gl.stencilOp (GL_KEEP, GL_KEEP, GL_INCR_WRAP); 150 gl.stencilFunc (GL_ALWAYS, 0, ~0u); 151 GLU_EXPECT_NO_ERROR(gl.getError(), "State setup failed"); 152 153 genTestRects (rects, width, height); 154 rectsToTriangles(rects, width, height, positions, indices); 155 156 { 157 const glu::VertexArrayBinding posBinding = glu::va::Float("a_position", 2, (int)positions.size(), 0, positions[0].getPtr()); 158 glu::draw(renderCtx, program.getProgram(), 1, &posBinding, glu::pr::Triangles((int)indices.size(), &indices[0])); 159 } 160 161 gl.disable(GL_STENCIL_TEST); 162 } 163 164 static void renderTestPatternReference (const tcu::PixelBufferAccess& dst) 165 { 166 const int stencilBits = tcu::getTextureFormatBitDepth(tcu::getEffectiveDepthStencilAccess(dst, tcu::Sampler::MODE_STENCIL).getFormat()).x(); 167 const deUint32 stencilMask = (1u<<stencilBits)-1u; 168 vector<IVec4> rects; 169 170 DE_ASSERT(dst.getFormat().order == TextureFormat::S || dst.getFormat().order == TextureFormat::DS); 171 172 // clear depth and stencil 173 if (dst.getFormat().order == TextureFormat::DS) 174 tcu::clearDepth(dst, 0.0f); 175 tcu::clearStencil(dst, 0u); 176 177 genTestRects(rects, dst.getWidth(), dst.getHeight()); 178 179 for (vector<IVec4>::const_iterator rectIter = rects.begin(); rectIter != rects.end(); ++rectIter) 180 { 181 const int x0 = rectIter->x(); 182 const int y0 = rectIter->y(); 183 const int x1 = x0+rectIter->z(); 184 const int y1 = y0+rectIter->w(); 185 186 for (int y = y0; y < y1; y++) 187 { 188 for (int x = x0; x < x1; x++) 189 { 190 const int oldVal = dst.getPixStencil(x, y); 191 const int newVal = (oldVal+1)&stencilMask; 192 193 dst.setPixStencil(newVal, x, y); 194 } 195 } 196 } 197 } 198 199 static void blitStencilToColor2D (const glu::RenderContext& renderCtx, deUint32 srcTex, int width, int height) 200 { 201 const glu::ShaderProgram program(renderCtx, glu::ProgramSources() 202 << glu::VertexSource( 203 "#version 300 es\n" 204 "in highp vec4 a_position;\n" 205 "in highp vec2 a_texCoord;\n" 206 "out highp vec2 v_texCoord;\n" 207 "void main (void)\n" 208 "{\n" 209 " gl_Position = a_position;\n" 210 " v_texCoord = a_texCoord;\n" 211 "}\n") 212 << glu::FragmentSource( 213 "#version 300 es\n" 214 "uniform highp usampler2D u_sampler;\n" 215 "in highp vec2 v_texCoord;\n" 216 "layout(location = 0) out highp uint o_stencil;\n" 217 "void main (void)\n" 218 "{\n" 219 " o_stencil = texture(u_sampler, v_texCoord).x;\n" 220 "}\n")); 221 222 const float positions[] = 223 { 224 -1.0f, -1.0f, 225 +1.0f, -1.0f, 226 -1.0f, +1.0f, 227 +1.0f, +1.0f 228 }; 229 const float texCoord[] = 230 { 231 0.0f, 0.0f, 232 1.0f, 0.0f, 233 0.0f, 1.0f, 234 1.0f, 1.0f 235 }; 236 const glu::VertexArrayBinding vertexArrays[] = 237 { 238 glu::va::Float("a_position", 2, 4, 0, &positions[0]), 239 glu::va::Float("a_texCoord", 2, 4, 0, &texCoord[0]) 240 }; 241 const deUint8 indices[] = { 0, 1, 2, 2, 1, 3 }; 242 243 const glw::Functions& gl = renderCtx.getFunctions(); 244 245 if (!program.isOk()) 246 throw tcu::TestError("Compile failed"); 247 248 gl.activeTexture(GL_TEXTURE0); 249 gl.bindTexture(GL_TEXTURE_2D, srcTex); 250 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 251 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 252 gl.texParameteri(GL_TEXTURE_2D, GL_DEPTH_STENCIL_TEXTURE_MODE, GL_STENCIL_INDEX); 253 GLU_EXPECT_NO_ERROR(gl.getError(), "Texture state setup failed"); 254 255 gl.useProgram(program.getProgram()); 256 gl.uniform1i(gl.getUniformLocation(program.getProgram(), "u_sampler"), 0); 257 GLU_EXPECT_NO_ERROR(gl.getError(), "Program setup failed"); 258 259 gl.viewport(0, 0, width, height); 260 glu::draw(renderCtx, program.getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), &vertexArrays[0], 261 glu::pr::Triangles(DE_LENGTH_OF_ARRAY(indices), &indices[0])); 262 } 263 264 static void blitStencilToColor2DArray (const glu::RenderContext& renderCtx, deUint32 srcTex, int width, int height, int level) 265 { 266 const glu::ShaderProgram program(renderCtx, glu::ProgramSources() 267 << glu::VertexSource( 268 "#version 300 es\n" 269 "in highp vec4 a_position;\n" 270 "in highp vec3 a_texCoord;\n" 271 "out highp vec3 v_texCoord;\n" 272 "void main (void)\n" 273 "{\n" 274 " gl_Position = a_position;\n" 275 " v_texCoord = a_texCoord;\n" 276 "}\n") 277 << glu::FragmentSource( 278 "#version 300 es\n" 279 "uniform highp usampler2DArray u_sampler;\n" 280 "in highp vec3 v_texCoord;\n" 281 "layout(location = 0) out highp uint o_stencil;\n" 282 "void main (void)\n" 283 "{\n" 284 " o_stencil = texture(u_sampler, v_texCoord).x;\n" 285 "}\n")); 286 287 const float positions[] = 288 { 289 -1.0f, -1.0f, 290 +1.0f, -1.0f, 291 -1.0f, +1.0f, 292 +1.0f, +1.0f 293 }; 294 const float texCoord[] = 295 { 296 0.0f, 0.0f, float(level), 297 1.0f, 0.0f, float(level), 298 0.0f, 1.0f, float(level), 299 1.0f, 1.0f, float(level) 300 }; 301 const glu::VertexArrayBinding vertexArrays[] = 302 { 303 glu::va::Float("a_position", 2, 4, 0, &positions[0]), 304 glu::va::Float("a_texCoord", 3, 4, 0, &texCoord[0]) 305 }; 306 const deUint8 indices[] = { 0, 1, 2, 2, 1, 3 }; 307 308 const glw::Functions& gl = renderCtx.getFunctions(); 309 310 if (!program.isOk()) 311 throw tcu::TestError("Compile failed"); 312 313 gl.activeTexture(GL_TEXTURE0); 314 gl.bindTexture(GL_TEXTURE_2D_ARRAY, srcTex); 315 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 316 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 317 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_DEPTH_STENCIL_TEXTURE_MODE, GL_STENCIL_INDEX); 318 GLU_EXPECT_NO_ERROR(gl.getError(), "Texture state setup failed"); 319 320 gl.useProgram(program.getProgram()); 321 gl.uniform1i(gl.getUniformLocation(program.getProgram(), "u_sampler"), 0); 322 GLU_EXPECT_NO_ERROR(gl.getError(), "Program setup failed"); 323 324 gl.viewport(0, 0, width, height); 325 glu::draw(renderCtx, program.getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), &vertexArrays[0], 326 glu::pr::Triangles(DE_LENGTH_OF_ARRAY(indices), &indices[0])); 327 } 328 329 static void blitStencilToColorCube (const glu::RenderContext& renderCtx, deUint32 srcTex, const float* texCoord, int width, int height) 330 { 331 const glu::ShaderProgram program(renderCtx, glu::ProgramSources() 332 << glu::VertexSource( 333 "#version 300 es\n" 334 "in highp vec4 a_position;\n" 335 "in highp vec3 a_texCoord;\n" 336 "out highp vec3 v_texCoord;\n" 337 "void main (void)\n" 338 "{\n" 339 " gl_Position = a_position;\n" 340 " v_texCoord = a_texCoord;\n" 341 "}\n") 342 << glu::FragmentSource( 343 "#version 300 es\n" 344 "uniform highp usamplerCube u_sampler;\n" 345 "in highp vec3 v_texCoord;\n" 346 "layout(location = 0) out highp vec4 o_color;\n" 347 "void main (void)\n" 348 "{\n" 349 " o_color.x = float(texture(u_sampler, v_texCoord).x) / 255.0;\n" 350 " o_color.yzw = vec3(0.0, 0.0, 1.0);\n" 351 "}\n")); 352 353 const float positions[] = 354 { 355 -1.0f, -1.0f, 356 -1.0f, +1.0f, 357 +1.0f, -1.0f, 358 +1.0f, +1.0f 359 }; 360 const glu::VertexArrayBinding vertexArrays[] = 361 { 362 glu::va::Float("a_position", 2, 4, 0, &positions[0]), 363 glu::va::Float("a_texCoord", 3, 4, 0, texCoord) 364 }; 365 const deUint8 indices[] = { 0, 1, 2, 2, 1, 3 }; 366 367 const glw::Functions& gl = renderCtx.getFunctions(); 368 369 if (!program.isOk()) 370 throw tcu::TestError("Compile failed"); 371 372 gl.activeTexture(GL_TEXTURE0); 373 gl.bindTexture(GL_TEXTURE_CUBE_MAP, srcTex); 374 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 375 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 376 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_DEPTH_STENCIL_TEXTURE_MODE, GL_STENCIL_INDEX); 377 GLU_EXPECT_NO_ERROR(gl.getError(), "Texture state setup failed"); 378 379 gl.useProgram(program.getProgram()); 380 gl.uniform1i(gl.getUniformLocation(program.getProgram(), "u_sampler"), 0); 381 GLU_EXPECT_NO_ERROR(gl.getError(), "Program setup failed"); 382 383 gl.viewport(0, 0, width, height); 384 glu::draw(renderCtx, program.getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), &vertexArrays[0], 385 glu::pr::Triangles(DE_LENGTH_OF_ARRAY(indices), &indices[0])); 386 } 387 388 static inline tcu::ConstPixelBufferAccess stencilToRedAccess (const tcu::ConstPixelBufferAccess& access) 389 { 390 DE_ASSERT(access.getFormat() == TextureFormat(TextureFormat::S, TextureFormat::UNSIGNED_INT8)); 391 return tcu::ConstPixelBufferAccess(TextureFormat(TextureFormat::R, TextureFormat::UNSIGNED_INT8), access.getSize(), access.getPitch(), access.getDataPtr()); 392 } 393 394 static bool compareStencilToRed (tcu::TestLog& log, const tcu::ConstPixelBufferAccess& stencilRef, const tcu::ConstPixelBufferAccess& result) 395 { 396 const int maxPrints = 10; 397 int numFailed = 0; 398 399 DE_ASSERT(stencilRef.getFormat().order == TextureFormat::S); 400 DE_ASSERT(stencilRef.getWidth() == result.getWidth() && stencilRef.getHeight() == result.getHeight()); 401 402 for (int y = 0; y < stencilRef.getHeight(); y++) 403 { 404 for (int x = 0; x < stencilRef.getWidth(); x++) 405 { 406 const int ref = stencilRef.getPixStencil(x, y); 407 const int res = result.getPixelInt(x, y).x(); 408 409 if (ref != res) 410 { 411 if (numFailed < maxPrints) 412 log << TestLog::Message << "ERROR: Expected " << ref << ", got " << res << " at (" << x << ", " << y << ")" << TestLog::EndMessage; 413 else if (numFailed == maxPrints) 414 log << TestLog::Message << "..." << TestLog::EndMessage; 415 416 numFailed += 1; 417 } 418 } 419 } 420 421 log << TestLog::Message << "Found " << numFailed << " faulty pixels, comparison " << (numFailed == 0 ? "passed." : "FAILED!") << TestLog::EndMessage; 422 423 log << TestLog::ImageSet("ComparisonResult", "Image comparison result") 424 << TestLog::Image("Result", "Result stencil buffer", result); 425 426 if (numFailed > 0) 427 log << TestLog::Image("Reference", "Reference stencil buffer", stencilToRedAccess(stencilRef)); 428 429 log << TestLog::EndImageSet; 430 431 return numFailed == 0; 432 } 433 434 static bool compareRedChannel (tcu::TestLog& log, const tcu::ConstPixelBufferAccess& result, int reference) 435 { 436 const int maxPrints = 10; 437 int numFailed = 0; 438 439 for (int y = 0; y < result.getHeight(); y++) 440 { 441 for (int x = 0; x < result.getWidth(); x++) 442 { 443 const int res = result.getPixelInt(x, y).x(); 444 445 if (reference != res) 446 { 447 if (numFailed < maxPrints) 448 log << TestLog::Message << "ERROR: Expected " << reference << ", got " << res << " at (" << x << ", " << y << ")" << TestLog::EndMessage; 449 else if (numFailed == maxPrints) 450 log << TestLog::Message << "..." << TestLog::EndMessage; 451 452 numFailed += 1; 453 } 454 } 455 } 456 457 log << TestLog::Message << "Found " << numFailed << " faulty pixels, comparison " << (numFailed == 0 ? "passed." : "FAILED!") << TestLog::EndMessage; 458 459 log << TestLog::ImageSet("ComparisonResult", "Image comparison result") 460 << TestLog::Image("Result", "Result stencil buffer", result); 461 462 log << TestLog::EndImageSet; 463 464 return numFailed == 0; 465 } 466 467 static void stencilToUnorm8 (const tcu::TextureCube& src, tcu::TextureCube& dst) 468 { 469 for (int levelNdx = 0; levelNdx < src.getNumLevels(); levelNdx++) 470 { 471 for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 472 { 473 const tcu::CubeFace face = tcu::CubeFace(faceNdx); 474 475 if (!src.isLevelEmpty(face, levelNdx)) 476 { 477 dst.allocLevel(face, levelNdx); 478 479 const tcu::ConstPixelBufferAccess srcLevel = src.getLevelFace(levelNdx, face); 480 const tcu::PixelBufferAccess dstLevel = dst.getLevelFace(levelNdx, face); 481 482 for (int y = 0; y < src.getSize(); y++) 483 for (int x = 0; x < src.getSize(); x++) 484 dstLevel.setPixel(Vec4(float(srcLevel.getPixStencil(x, y)) / 255.f, 0.f, 0.f, 1.f), x, y); 485 } 486 } 487 } 488 } 489 490 static void checkDepthStencilFormatSupport (const glu::ContextInfo& ctxInfo, deUint32 format) 491 { 492 if (format == GL_STENCIL_INDEX8) 493 { 494 const char* reqExt = "GL_OES_texture_stencil8"; 495 if (!ctxInfo.isExtensionSupported(reqExt)) 496 throw tcu::NotSupportedError(glu::getTextureFormatStr(format).toString() + " requires " + reqExt); 497 } 498 else 499 { 500 DE_ASSERT(format == GL_DEPTH32F_STENCIL8 || format == GL_DEPTH24_STENCIL8); 501 } 502 } 503 504 static void checkFramebufferStatus (const glw::Functions& gl) 505 { 506 const deUint32 status = gl.checkFramebufferStatus(GL_FRAMEBUFFER); 507 508 if (status == GL_FRAMEBUFFER_UNSUPPORTED) 509 throw tcu::NotSupportedError("Unsupported framebuffer configuration"); 510 else if (status != GL_FRAMEBUFFER_COMPLETE) 511 throw tcu::TestError("Incomplete framebuffer: " + glu::getFramebufferStatusStr(status).toString()); 512 } 513 514 class UploadTex2DCase : public TestCase 515 { 516 public: 517 UploadTex2DCase (Context& context, const char* name, deUint32 format) 518 : TestCase (context, name, glu::getTextureFormatName(format)) 519 , m_format (format) 520 { 521 } 522 523 IterateResult iterate (void) 524 { 525 const glu::RenderContext& renderCtx = m_context.getRenderContext(); 526 const glw::Functions& gl = renderCtx.getFunctions(); 527 const int width = 129; 528 const int height = 113; 529 glu::Framebuffer fbo (renderCtx); 530 glu::Renderbuffer colorBuf (renderCtx); 531 glu::Texture depthStencilTex (renderCtx); 532 TextureLevel uploadLevel (glu::mapGLInternalFormat(m_format), width, height); 533 TextureLevel readLevel (TextureFormat(TextureFormat::RGBA, TextureFormat::UNSIGNED_INT32), width, height); 534 TextureLevel stencilOnlyLevel (TextureFormat(TextureFormat::S, TextureFormat::UNSIGNED_INT8), width, height); 535 536 checkDepthStencilFormatSupport(m_context.getContextInfo(), m_format); 537 538 renderTestPatternReference(uploadLevel); 539 renderTestPatternReference(stencilOnlyLevel); 540 541 gl.bindTexture(GL_TEXTURE_2D, *depthStencilTex); 542 gl.texStorage2D(GL_TEXTURE_2D, 1, m_format, width, height); 543 glu::texSubImage2D(renderCtx, GL_TEXTURE_2D, 0, 0, 0, uploadLevel); 544 GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading texture data failed"); 545 546 gl.bindRenderbuffer(GL_RENDERBUFFER, *colorBuf); 547 gl.renderbufferStorage(GL_RENDERBUFFER, GL_R32UI, width, height); 548 549 gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); 550 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *colorBuf); 551 checkFramebufferStatus(gl); 552 553 blitStencilToColor2D(renderCtx, *depthStencilTex, width, height); 554 glu::readPixels(renderCtx, 0, 0, readLevel); 555 556 { 557 const bool compareOk = compareStencilToRed(m_testCtx.getLog(), stencilOnlyLevel, readLevel); 558 m_testCtx.setTestResult(compareOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 559 compareOk ? "Pass" : "Image comparison failed"); 560 } 561 562 return STOP; 563 } 564 565 private: 566 const deUint32 m_format; 567 }; 568 569 class UploadTex2DArrayCase : public TestCase 570 { 571 public: 572 UploadTex2DArrayCase (Context& context, const char* name, deUint32 format) 573 : TestCase (context, name, glu::getTextureFormatName(format)) 574 , m_format (format) 575 { 576 } 577 578 IterateResult iterate (void) 579 { 580 const glu::RenderContext& renderCtx = m_context.getRenderContext(); 581 const glw::Functions& gl = renderCtx.getFunctions(); 582 const int width = 41; 583 const int height = 13; 584 const int levels = 7; 585 const int ptrnLevel = 3; 586 glu::Framebuffer fbo (renderCtx); 587 glu::Renderbuffer colorBuf (renderCtx); 588 glu::Texture depthStencilTex (renderCtx); 589 TextureLevel uploadLevel (glu::mapGLInternalFormat(m_format), width, height, levels); 590 591 checkDepthStencilFormatSupport(m_context.getContextInfo(), m_format); 592 593 for (int levelNdx = 0; levelNdx < levels; levelNdx++) 594 { 595 const tcu::PixelBufferAccess levelAccess = tcu::getSubregion(uploadLevel.getAccess(), 0, 0, levelNdx, width, height, 1); 596 597 if (levelNdx == ptrnLevel) 598 renderTestPatternReference(levelAccess); 599 else 600 tcu::clearStencil(levelAccess, levelNdx); 601 } 602 603 gl.bindTexture(GL_TEXTURE_2D_ARRAY, *depthStencilTex); 604 gl.texStorage3D(GL_TEXTURE_2D_ARRAY, 1, m_format, width, height, levels); 605 glu::texSubImage3D(renderCtx, GL_TEXTURE_2D_ARRAY, 0, 0, 0, 0, uploadLevel); 606 GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading texture data failed"); 607 608 gl.bindRenderbuffer(GL_RENDERBUFFER, *colorBuf); 609 gl.renderbufferStorage(GL_RENDERBUFFER, GL_R32UI, width, height); 610 611 gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); 612 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *colorBuf); 613 checkFramebufferStatus(gl); 614 615 { 616 TextureLevel readLevel (TextureFormat(TextureFormat::RGBA, TextureFormat::UNSIGNED_INT32), width, height); 617 bool allLevelsOk = true; 618 619 for (int levelNdx = 0; levelNdx < levels; levelNdx++) 620 { 621 tcu::ScopedLogSection section(m_testCtx.getLog(), "Level" + de::toString(levelNdx), "Level " + de::toString(levelNdx)); 622 bool levelOk; 623 624 blitStencilToColor2DArray(renderCtx, *depthStencilTex, width, height, levelNdx); 625 glu::readPixels(renderCtx, 0, 0, readLevel); 626 627 if (levelNdx == ptrnLevel) 628 { 629 TextureLevel reference(TextureFormat(TextureFormat::S, TextureFormat::UNSIGNED_INT8), width, height); 630 renderTestPatternReference(reference); 631 632 levelOk = compareStencilToRed(m_testCtx.getLog(), reference, readLevel); 633 } 634 else 635 levelOk = compareRedChannel(m_testCtx.getLog(), readLevel, levelNdx); 636 637 if (!levelOk) 638 { 639 allLevelsOk = false; 640 break; 641 } 642 } 643 644 m_testCtx.setTestResult(allLevelsOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 645 allLevelsOk ? "Pass" : "Image comparison failed"); 646 } 647 648 return STOP; 649 } 650 651 private: 652 const deUint32 m_format; 653 }; 654 655 class UploadTexCubeCase : public TestCase 656 { 657 public: 658 UploadTexCubeCase (Context& context, const char* name, deUint32 format) 659 : TestCase (context, name, glu::getTextureFormatName(format)) 660 , m_format (format) 661 { 662 } 663 664 IterateResult iterate (void) 665 { 666 const glu::RenderContext& renderCtx = m_context.getRenderContext(); 667 const glw::Functions& gl = renderCtx.getFunctions(); 668 const int size = 64; 669 const int renderWidth = 128; 670 const int renderHeight = 128; 671 vector<float> texCoord; 672 glu::Framebuffer fbo (renderCtx); 673 glu::Renderbuffer colorBuf (renderCtx); 674 glu::Texture depthStencilTex (renderCtx); 675 tcu::TextureCube texData (glu::mapGLInternalFormat(m_format), size); 676 tcu::TextureLevel result (TextureFormat(TextureFormat::RGBA, TextureFormat::UNORM_INT8), renderWidth, renderHeight); 677 678 checkDepthStencilFormatSupport(m_context.getContextInfo(), m_format); 679 680 for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 681 { 682 const tcu::CubeFace face = tcu::CubeFace(faceNdx); 683 const int stencilVal = 42*faceNdx; 684 685 texData.allocLevel(face, 0); 686 tcu::clearStencil(texData.getLevelFace(0, face), stencilVal); 687 } 688 689 glu::TextureTestUtil::computeQuadTexCoordCube(texCoord, tcu::CUBEFACE_NEGATIVE_X, Vec2(-1.5f, -1.3f), Vec2(1.3f, 1.4f)); 690 691 gl.bindTexture(GL_TEXTURE_CUBE_MAP, *depthStencilTex); 692 gl.texStorage2D(GL_TEXTURE_CUBE_MAP, 1, m_format, size, size); 693 694 for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 695 glu::texSubImage2D(renderCtx, glu::getGLCubeFace(tcu::CubeFace(faceNdx)), 0, 0, 0, texData.getLevelFace(0, tcu::CubeFace(faceNdx))); 696 697 GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading texture data failed"); 698 699 gl.bindRenderbuffer(GL_RENDERBUFFER, *colorBuf); 700 gl.renderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, renderWidth, renderHeight); 701 702 gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); 703 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *colorBuf); 704 checkFramebufferStatus(gl); 705 706 blitStencilToColorCube(renderCtx, *depthStencilTex, &texCoord[0], renderWidth, renderHeight); 707 glu::readPixels(renderCtx, 0, 0, result); 708 709 { 710 using namespace glu::TextureTestUtil; 711 712 tcu::TextureCube redTex (TextureFormat(TextureFormat::R, TextureFormat::UNORM_INT8), size); 713 const ReferenceParams sampleParams (TEXTURETYPE_CUBE, tcu::Sampler(tcu::Sampler::CLAMP_TO_EDGE, 714 tcu::Sampler::CLAMP_TO_EDGE, 715 tcu::Sampler::CLAMP_TO_EDGE, 716 tcu::Sampler::NEAREST, 717 tcu::Sampler::NEAREST)); 718 tcu::LookupPrecision lookupPrec; 719 tcu::LodPrecision lodPrec; 720 bool compareOk; 721 722 lookupPrec.colorMask = tcu::BVec4(true, true, true, true); 723 lookupPrec.colorThreshold = tcu::computeFixedPointThreshold(IVec4(8, 8, 8, 8)); 724 lookupPrec.coordBits = tcu::IVec3(22, 22, 22); 725 lookupPrec.uvwBits = tcu::IVec3(5, 5, 0); 726 lodPrec.lodBits = 7; 727 lodPrec.derivateBits = 16; 728 729 stencilToUnorm8(texData, redTex); 730 731 compareOk = verifyTextureResult(m_testCtx, result, redTex, &texCoord[0], sampleParams, lookupPrec, lodPrec, tcu::PixelFormat(8, 8, 8, 8)); 732 733 m_testCtx.setTestResult(compareOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 734 compareOk ? "Pass" : "Image comparison failed"); 735 } 736 737 return STOP; 738 } 739 740 private: 741 const deUint32 m_format; 742 }; 743 744 class RenderTex2DCase : public TestCase 745 { 746 public: 747 RenderTex2DCase (Context& context, const char* name, deUint32 format) 748 : TestCase (context, name, glu::getTextureFormatName(format)) 749 , m_format (format) 750 { 751 } 752 753 IterateResult iterate (void) 754 { 755 const glu::RenderContext& renderCtx = m_context.getRenderContext(); 756 const glw::Functions& gl = renderCtx.getFunctions(); 757 const int width = 117; 758 const int height = 193; 759 glu::Framebuffer fbo (renderCtx); 760 glu::Renderbuffer colorBuf (renderCtx); 761 glu::Texture depthStencilTex (renderCtx); 762 TextureLevel result (TextureFormat(TextureFormat::RGBA, TextureFormat::UNSIGNED_INT32), width, height); 763 TextureLevel reference (TextureFormat(TextureFormat::S, TextureFormat::UNSIGNED_INT8), width, height); 764 765 checkDepthStencilFormatSupport(m_context.getContextInfo(), m_format); 766 767 gl.bindRenderbuffer(GL_RENDERBUFFER, *colorBuf); 768 gl.renderbufferStorage(GL_RENDERBUFFER, GL_R32UI, width, height); 769 770 gl.bindTexture(GL_TEXTURE_2D, *depthStencilTex); 771 gl.texStorage2D(GL_TEXTURE_2D, 1, m_format, width, height); 772 773 gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); 774 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *colorBuf); 775 gl.framebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, *depthStencilTex, 0); 776 checkFramebufferStatus(gl); 777 778 drawTestPattern(renderCtx, width, height); 779 780 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0); 781 checkFramebufferStatus(gl); 782 783 blitStencilToColor2D(renderCtx, *depthStencilTex, width, height); 784 glu::readPixels(renderCtx, 0, 0, result.getAccess()); 785 786 renderTestPatternReference(reference); 787 788 { 789 const bool compareOk = compareStencilToRed(m_testCtx.getLog(), reference, result); 790 m_testCtx.setTestResult(compareOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 791 compareOk ? "Pass" : "Image comparison failed"); 792 } 793 794 return STOP; 795 } 796 797 private: 798 const deUint32 m_format; 799 }; 800 801 class ClearTex2DCase : public TestCase 802 { 803 public: 804 ClearTex2DCase (Context& context, const char* name, deUint32 format) 805 : TestCase (context, name, glu::getTextureFormatName(format)) 806 , m_format (format) 807 { 808 } 809 810 IterateResult iterate (void) 811 { 812 const glu::RenderContext& renderCtx = m_context.getRenderContext(); 813 const glw::Functions& gl = renderCtx.getFunctions(); 814 const int width = 125; 815 const int height = 117; 816 const int cellSize = 8; 817 glu::Framebuffer fbo (renderCtx); 818 glu::Renderbuffer colorBuf (renderCtx); 819 glu::Texture depthStencilTex (renderCtx); 820 TextureLevel result (TextureFormat(TextureFormat::RGBA, TextureFormat::UNSIGNED_INT32), width, height); 821 TextureLevel reference (TextureFormat(TextureFormat::S, TextureFormat::UNSIGNED_INT8), width, height); 822 823 checkDepthStencilFormatSupport(m_context.getContextInfo(), m_format); 824 825 gl.bindRenderbuffer(GL_RENDERBUFFER, *colorBuf); 826 gl.renderbufferStorage(GL_RENDERBUFFER, GL_R32UI, width, height); 827 828 gl.bindTexture(GL_TEXTURE_2D, *depthStencilTex); 829 gl.texStorage2D(GL_TEXTURE_2D, 1, m_format, width, height); 830 831 gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); 832 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *colorBuf); 833 gl.framebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, *depthStencilTex, 0); 834 checkFramebufferStatus(gl); 835 836 gl.enable(GL_SCISSOR_TEST); 837 838 for (int y = 0; y < height; y += cellSize) 839 { 840 for (int x = 0; x < width; x += cellSize) 841 { 842 const int clearW = de::min(cellSize, width-x); 843 const int clearH = de::min(cellSize, height-y); 844 const int stencil = int((deInt32Hash(x) ^ deInt32Hash(y)) & 0xff); 845 846 gl.clearStencil(stencil); 847 gl.scissor(x, y, clearW, clearH); 848 gl.clear(GL_STENCIL_BUFFER_BIT); 849 850 tcu::clearStencil(tcu::getSubregion(reference.getAccess(), x, y, clearW, clearH), stencil); 851 } 852 } 853 854 gl.disable(GL_SCISSOR_TEST); 855 856 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0); 857 checkFramebufferStatus(gl); 858 859 blitStencilToColor2D(renderCtx, *depthStencilTex, width, height); 860 glu::readPixels(renderCtx, 0, 0, result.getAccess()); 861 862 { 863 const bool compareOk = compareStencilToRed(m_testCtx.getLog(), reference, result); 864 m_testCtx.setTestResult(compareOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 865 compareOk ? "Pass" : "Image comparison failed"); 866 } 867 868 return STOP; 869 } 870 871 private: 872 const deUint32 m_format; 873 }; 874 875 class CompareModeCase : public TestCase 876 { 877 public: 878 CompareModeCase (Context& context, const char* name, deUint32 format) 879 : TestCase (context, name, glu::getTextureFormatName(format)) 880 , m_format (format) 881 { 882 } 883 884 IterateResult iterate (void) 885 { 886 const glu::RenderContext& renderCtx = m_context.getRenderContext(); 887 const glw::Functions& gl = renderCtx.getFunctions(); 888 const int width = 64; 889 const int height = 64; 890 glu::Framebuffer fbo (renderCtx); 891 glu::Renderbuffer colorBuf (renderCtx); 892 glu::Texture depthStencilTex (renderCtx); 893 TextureLevel uploadLevel (glu::mapGLInternalFormat(m_format), width, height); 894 TextureLevel readLevel (TextureFormat(TextureFormat::RGBA, TextureFormat::UNSIGNED_INT32), width, height); 895 TextureLevel stencilOnlyLevel (TextureFormat(TextureFormat::S, TextureFormat::UNSIGNED_INT8), width, height); 896 897 checkDepthStencilFormatSupport(m_context.getContextInfo(), m_format); 898 899 m_testCtx.getLog() << TestLog::Message << "NOTE: Texture compare mode has no effect when reading stencil values." << TestLog::EndMessage; 900 901 renderTestPatternReference(uploadLevel); 902 renderTestPatternReference(stencilOnlyLevel); 903 904 gl.bindTexture(GL_TEXTURE_2D, *depthStencilTex); 905 gl.texStorage2D(GL_TEXTURE_2D, 1, m_format, width, height); 906 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE); 907 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LESS); 908 glu::texSubImage2D(renderCtx, GL_TEXTURE_2D, 0, 0, 0, uploadLevel); 909 GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading texture data failed"); 910 911 gl.bindRenderbuffer(GL_RENDERBUFFER, *colorBuf); 912 gl.renderbufferStorage(GL_RENDERBUFFER, GL_R32UI, width, height); 913 914 gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); 915 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *colorBuf); 916 checkFramebufferStatus(gl); 917 918 blitStencilToColor2D(renderCtx, *depthStencilTex, width, height); 919 glu::readPixels(renderCtx, 0, 0, readLevel); 920 921 { 922 const bool compareOk = compareStencilToRed(m_testCtx.getLog(), stencilOnlyLevel, readLevel); 923 m_testCtx.setTestResult(compareOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 924 compareOk ? "Pass" : "Image comparison failed"); 925 } 926 927 return STOP; 928 } 929 930 private: 931 const deUint32 m_format; 932 }; 933 934 class BaseLevelCase : public TestCase 935 { 936 public: 937 BaseLevelCase (Context& context, const char* name, deUint32 format) 938 : TestCase (context, name, glu::getTextureFormatName(format)) 939 , m_format (format) 940 { 941 } 942 943 IterateResult iterate (void) 944 { 945 const glu::RenderContext& renderCtx = m_context.getRenderContext(); 946 const glw::Functions& gl = renderCtx.getFunctions(); 947 const int width = 128; 948 const int height = 128; 949 const int levelNdx = 2; 950 const int levelWidth = width>>levelNdx; 951 const int levelHeight = height>>levelNdx; 952 glu::Framebuffer fbo (renderCtx); 953 glu::Renderbuffer colorBuf (renderCtx); 954 glu::Texture depthStencilTex (renderCtx); 955 TextureLevel uploadLevel (glu::mapGLInternalFormat(m_format), levelWidth, levelHeight); 956 TextureLevel readLevel (TextureFormat(TextureFormat::RGBA, TextureFormat::UNSIGNED_INT32), levelWidth, levelHeight); 957 TextureLevel stencilOnlyLevel (TextureFormat(TextureFormat::S, TextureFormat::UNSIGNED_INT8), levelWidth, levelHeight); 958 959 checkDepthStencilFormatSupport(m_context.getContextInfo(), m_format); 960 961 m_testCtx.getLog() << TestLog::Message << "GL_TEXTURE_BASE_LEVEL = " << levelNdx << TestLog::EndMessage; 962 963 renderTestPatternReference(uploadLevel); 964 renderTestPatternReference(stencilOnlyLevel); 965 966 gl.bindTexture(GL_TEXTURE_2D, *depthStencilTex); 967 gl.texStorage2D(GL_TEXTURE_2D, deLog2Floor32(de::max(width, height))+1, m_format, width, height); 968 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, levelNdx); 969 glu::texSubImage2D(renderCtx, GL_TEXTURE_2D, levelNdx, 0, 0, uploadLevel); 970 GLU_EXPECT_NO_ERROR(gl.getError(), "Uploading texture data failed"); 971 972 gl.bindRenderbuffer(GL_RENDERBUFFER, *colorBuf); 973 gl.renderbufferStorage(GL_RENDERBUFFER, GL_R32UI, levelWidth, levelHeight); 974 975 gl.bindFramebuffer(GL_FRAMEBUFFER, *fbo); 976 gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, *colorBuf); 977 checkFramebufferStatus(gl); 978 979 blitStencilToColor2D(renderCtx, *depthStencilTex, levelWidth, levelHeight); 980 glu::readPixels(renderCtx, 0, 0, readLevel); 981 982 { 983 const bool compareOk = compareStencilToRed(m_testCtx.getLog(), stencilOnlyLevel, readLevel); 984 m_testCtx.setTestResult(compareOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 985 compareOk ? "Pass" : "Image comparison failed"); 986 } 987 988 return STOP; 989 } 990 991 private: 992 const deUint32 m_format; 993 }; 994 995 } // anonymous 996 997 StencilTexturingTests::StencilTexturingTests (Context& context) 998 : TestCaseGroup(context, "stencil_texturing", "Stencil texturing tests") 999 { 1000 } 1001 1002 StencilTexturingTests::~StencilTexturingTests (void) 1003 { 1004 } 1005 1006 void StencilTexturingTests::init (void) 1007 { 1008 // .format 1009 { 1010 tcu::TestCaseGroup* const formatGroup = new tcu::TestCaseGroup(m_testCtx, "format", "Formats"); 1011 addChild(formatGroup); 1012 1013 formatGroup->addChild(new UploadTex2DCase (m_context, "depth32f_stencil8_2d", GL_DEPTH32F_STENCIL8)); 1014 formatGroup->addChild(new UploadTex2DArrayCase (m_context, "depth32f_stencil8_2d_array", GL_DEPTH32F_STENCIL8)); 1015 formatGroup->addChild(new UploadTexCubeCase (m_context, "depth32f_stencil8_cube", GL_DEPTH32F_STENCIL8)); 1016 formatGroup->addChild(new UploadTex2DCase (m_context, "depth24_stencil8_2d", GL_DEPTH24_STENCIL8)); 1017 formatGroup->addChild(new UploadTex2DArrayCase (m_context, "depth24_stencil8_2d_array", GL_DEPTH24_STENCIL8)); 1018 formatGroup->addChild(new UploadTexCubeCase (m_context, "depth24_stencil8_cube", GL_DEPTH24_STENCIL8)); 1019 1020 // OES_texture_stencil8 1021 formatGroup->addChild(new UploadTex2DCase (m_context, "stencil_index8_2d", GL_STENCIL_INDEX8)); 1022 formatGroup->addChild(new UploadTex2DArrayCase (m_context, "stencil_index8_2d_array", GL_STENCIL_INDEX8)); 1023 formatGroup->addChild(new UploadTexCubeCase (m_context, "stencil_index8_cube", GL_STENCIL_INDEX8)); 1024 } 1025 1026 // .render 1027 { 1028 tcu::TestCaseGroup* const readRenderGroup = new tcu::TestCaseGroup(m_testCtx, "render", "Read rendered stencil values"); 1029 addChild(readRenderGroup); 1030 1031 readRenderGroup->addChild(new ClearTex2DCase (m_context, "depth32f_stencil8_clear", GL_DEPTH32F_STENCIL8)); 1032 readRenderGroup->addChild(new RenderTex2DCase (m_context, "depth32f_stencil8_draw", GL_DEPTH32F_STENCIL8)); 1033 readRenderGroup->addChild(new ClearTex2DCase (m_context, "depth24_stencil8_clear", GL_DEPTH24_STENCIL8)); 1034 readRenderGroup->addChild(new RenderTex2DCase (m_context, "depth24_stencil8_draw", GL_DEPTH24_STENCIL8)); 1035 } 1036 1037 // .misc 1038 { 1039 tcu::TestCaseGroup* const miscGroup = new tcu::TestCaseGroup(m_testCtx, "misc", "Misc cases"); 1040 addChild(miscGroup); 1041 1042 miscGroup->addChild(new CompareModeCase (m_context, "compare_mode_effect", GL_DEPTH24_STENCIL8)); 1043 miscGroup->addChild(new BaseLevelCase (m_context, "base_level", GL_DEPTH24_STENCIL8)); 1044 } 1045 } 1046 1047 } // Functional 1048 } // gles31 1049 } // deqp 1050
