1 #include "ANGLETest.h" 2 3 class BlitFramebufferANGLETest : public ANGLETest 4 { 5 protected: 6 BlitFramebufferANGLETest() 7 { 8 setWindowWidth(256); 9 setWindowHeight(256); 10 setConfigRedBits(8); 11 setConfigGreenBits(8); 12 setConfigBlueBits(8); 13 setConfigAlphaBits(8); 14 setConfigDepthBits(24); 15 16 mCheckerProgram = 0; 17 mBlueProgram = 0; 18 19 mOriginalFBO = 0; 20 21 mUserFBO = 0; 22 mUserColorBuffer = 0; 23 mUserDepthStencilBuffer = 0; 24 25 mSmallFBO = 0; 26 mSmallColorBuffer = 0; 27 mSmallDepthStencilBuffer = 0; 28 29 mColorOnlyFBO = 0; 30 mColorOnlyColorBuffer = 0; 31 32 mDiffFormatFBO = 0; 33 mDiffFormatColorBuffer = 0; 34 35 mDiffSizeFBO = 0; 36 mDiffSizeColorBuffer = 0; 37 38 mMRTFBO = 0; 39 mMRTColorBuffer0 = 0; 40 mMRTColorBuffer1 = 0; 41 42 mRGBAColorbuffer = 0; 43 mRGBAFBO = 0; 44 45 mBGRAMultisampledRenderbuffer = 0; 46 mBGRAMultisampledFBO = 0; 47 } 48 49 virtual void SetUp() 50 { 51 ANGLETest::SetUp(); 52 53 const std::string passthroughVS = SHADER_SOURCE 54 ( 55 precision highp float; 56 attribute vec4 position; 57 varying vec4 pos; 58 59 void main() 60 { 61 gl_Position = position; 62 pos = position; 63 } 64 ); 65 66 const std::string checkeredFS = SHADER_SOURCE 67 ( 68 precision highp float; 69 varying vec4 pos; 70 71 void main() 72 { 73 if (pos.x * pos.y > 0.0) 74 { 75 gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); 76 } 77 else 78 { 79 gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0); 80 } 81 } 82 ); 83 84 const std::string blueFS = SHADER_SOURCE 85 ( 86 precision highp float; 87 varying vec4 pos; 88 89 void main() 90 { 91 gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); 92 } 93 ); 94 95 mCheckerProgram = CompileProgram(passthroughVS, checkeredFS); 96 mBlueProgram = CompileProgram(passthroughVS, blueFS); 97 if (mCheckerProgram == 0 || mBlueProgram == 0) 98 { 99 FAIL() << "shader compilation failed."; 100 } 101 102 EXPECT_GL_NO_ERROR(); 103 104 GLint originalFBO; 105 glGetIntegerv(GL_FRAMEBUFFER_BINDING, &originalFBO); 106 if (originalFBO >= 0) 107 { 108 mOriginalFBO = (GLuint)originalFBO; 109 } 110 111 GLenum format = GL_BGRA8_EXT; 112 113 glGenFramebuffers(1, &mUserFBO); 114 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 115 glGenTextures(1, &mUserColorBuffer); 116 glGenRenderbuffers(1, &mUserDepthStencilBuffer); 117 glBindTexture(GL_TEXTURE_2D, mUserColorBuffer); 118 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight()); 119 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mUserColorBuffer, 0); 120 glBindRenderbuffer(GL_RENDERBUFFER, mUserDepthStencilBuffer); 121 glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, getWindowWidth(), getWindowHeight()); 122 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mUserDepthStencilBuffer); 123 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mUserDepthStencilBuffer); 124 125 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 126 ASSERT_GL_NO_ERROR(); 127 128 glGenFramebuffers(1, &mSmallFBO); 129 glBindFramebuffer(GL_FRAMEBUFFER, mSmallFBO); 130 glGenTextures(1, &mSmallColorBuffer); 131 glGenRenderbuffers(1, &mSmallDepthStencilBuffer); 132 glBindTexture(GL_TEXTURE_2D, mSmallColorBuffer); 133 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth() / 2, getWindowHeight() / 2); 134 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mSmallColorBuffer, 0); 135 glBindRenderbuffer(GL_RENDERBUFFER, mSmallDepthStencilBuffer); 136 glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, getWindowWidth() / 2, getWindowHeight() / 2); 137 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mSmallDepthStencilBuffer); 138 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mSmallDepthStencilBuffer); 139 140 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 141 ASSERT_GL_NO_ERROR(); 142 143 glGenFramebuffers(1, &mColorOnlyFBO); 144 glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO); 145 glGenTextures(1, &mColorOnlyColorBuffer); 146 glBindTexture(GL_TEXTURE_2D, mColorOnlyColorBuffer); 147 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight()); 148 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mColorOnlyColorBuffer, 0); 149 150 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 151 ASSERT_GL_NO_ERROR(); 152 153 glGenFramebuffers(1, &mDiffFormatFBO); 154 glBindFramebuffer(GL_FRAMEBUFFER, mDiffFormatFBO); 155 glGenTextures(1, &mDiffFormatColorBuffer); 156 glBindTexture(GL_TEXTURE_2D, mDiffFormatColorBuffer); 157 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGB565, getWindowWidth(), getWindowHeight()); 158 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mDiffFormatColorBuffer, 0); 159 160 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 161 ASSERT_GL_NO_ERROR(); 162 163 glGenFramebuffers(1, &mDiffSizeFBO); 164 glBindFramebuffer(GL_FRAMEBUFFER, mDiffSizeFBO); 165 glGenTextures(1, &mDiffSizeColorBuffer); 166 glBindTexture(GL_TEXTURE_2D, mDiffSizeColorBuffer); 167 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth()*2, getWindowHeight()*2); 168 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mDiffSizeColorBuffer, 0); 169 170 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 171 ASSERT_GL_NO_ERROR(); 172 173 if (extensionEnabled("GL_EXT_draw_buffers")) 174 { 175 glGenFramebuffers(1, &mMRTFBO); 176 glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO); 177 glGenTextures(1, &mMRTColorBuffer0); 178 glGenTextures(1, &mMRTColorBuffer1); 179 glBindTexture(GL_TEXTURE_2D, mMRTColorBuffer0); 180 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight()); 181 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, mMRTColorBuffer0, 0); 182 glBindTexture(GL_TEXTURE_2D, mMRTColorBuffer1); 183 glTexStorage2DEXT(GL_TEXTURE_2D, 1, format, getWindowWidth(), getWindowHeight()); 184 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, mMRTColorBuffer1, 0); 185 186 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 187 ASSERT_GL_NO_ERROR(); 188 } 189 190 if (extensionEnabled("GL_ANGLE_framebuffer_multisample")) 191 { 192 // Test blit between RGBA and multisampled BGRA 193 glGenTextures(1, &mRGBAColorbuffer); 194 glBindTexture(GL_TEXTURE_2D, mRGBAColorbuffer); 195 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, getWindowWidth(), getWindowHeight()); 196 197 glGenFramebuffers(1, &mRGBAFBO); 198 glBindFramebuffer(GL_FRAMEBUFFER, mRGBAFBO); 199 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mRGBAColorbuffer, 0); 200 201 ASSERT_GL_NO_ERROR(); 202 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 203 204 glGenRenderbuffers(1, &mBGRAMultisampledRenderbuffer); 205 glBindRenderbuffer(GL_RENDERBUFFER, mBGRAMultisampledRenderbuffer); 206 glRenderbufferStorageMultisampleANGLE(GL_RENDERBUFFER, 1, GL_BGRA8_EXT, getWindowWidth(), getWindowHeight()); 207 208 glGenFramebuffers(1, &mBGRAMultisampledFBO); 209 glBindFramebuffer(GL_FRAMEBUFFER, mBGRAMultisampledFBO); 210 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mBGRAMultisampledRenderbuffer); 211 212 ASSERT_GL_NO_ERROR(); 213 ASSERT_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER)); 214 } 215 216 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 217 } 218 219 virtual void TearDown() 220 { 221 glDeleteProgram(mCheckerProgram); 222 glDeleteProgram(mBlueProgram); 223 224 glDeleteFramebuffers(1, &mUserFBO); 225 glDeleteTextures(1, &mUserColorBuffer); 226 glDeleteRenderbuffers(1, &mUserDepthStencilBuffer); 227 228 glDeleteFramebuffers(1, &mSmallFBO); 229 glDeleteTextures(1, &mSmallColorBuffer); 230 glDeleteRenderbuffers(1, &mSmallDepthStencilBuffer); 231 232 glDeleteFramebuffers(1, &mColorOnlyFBO); 233 glDeleteTextures(1, &mSmallDepthStencilBuffer); 234 235 glDeleteFramebuffers(1, &mDiffFormatFBO); 236 glDeleteTextures(1, &mDiffFormatColorBuffer); 237 238 glDeleteFramebuffers(1, &mDiffSizeFBO); 239 glDeleteTextures(1, &mDiffSizeColorBuffer); 240 241 if (extensionEnabled("GL_EXT_draw_buffers")) 242 { 243 glDeleteFramebuffers(1, &mMRTFBO); 244 glDeleteTextures(1, &mMRTColorBuffer0); 245 glDeleteTextures(1, &mMRTColorBuffer1); 246 } 247 248 if (mRGBAColorbuffer != 0) 249 { 250 glDeleteTextures(1, &mRGBAColorbuffer); 251 } 252 253 if (mRGBAFBO != 0) 254 { 255 glDeleteFramebuffers(1, &mBGRAMultisampledFBO); 256 } 257 258 if (mBGRAMultisampledRenderbuffer != 0) 259 { 260 glDeleteRenderbuffers(1, &mBGRAMultisampledRenderbuffer); 261 } 262 263 if (mBGRAMultisampledFBO != 0) 264 { 265 glDeleteFramebuffers(1, &mBGRAMultisampledFBO); 266 } 267 268 ANGLETest::TearDown(); 269 } 270 271 GLuint mCheckerProgram; 272 GLuint mBlueProgram; 273 274 GLuint mOriginalFBO; 275 276 GLuint mUserFBO; 277 GLuint mUserColorBuffer; 278 GLuint mUserDepthStencilBuffer; 279 280 GLuint mSmallFBO; 281 GLuint mSmallColorBuffer; 282 GLuint mSmallDepthStencilBuffer; 283 284 GLuint mColorOnlyFBO; 285 GLuint mColorOnlyColorBuffer; 286 287 GLuint mDiffFormatFBO; 288 GLuint mDiffFormatColorBuffer; 289 290 GLuint mDiffSizeFBO; 291 GLuint mDiffSizeColorBuffer; 292 293 GLuint mMRTFBO; 294 GLuint mMRTColorBuffer0; 295 GLuint mMRTColorBuffer1; 296 297 GLuint mRGBAColorbuffer; 298 GLuint mRGBAFBO; 299 300 GLuint mBGRAMultisampledRenderbuffer; 301 GLuint mBGRAMultisampledFBO; 302 }; 303 304 // Draw to user-created framebuffer, blit whole-buffer color to original framebuffer. 305 TEST_F(BlitFramebufferANGLETest, BlitColorToDefault) 306 { 307 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 308 309 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 310 311 drawQuad(mCheckerProgram, "position", 0.8f); 312 313 EXPECT_GL_NO_ERROR(); 314 315 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 316 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 317 318 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 319 GL_COLOR_BUFFER_BIT, GL_NEAREST); 320 321 EXPECT_GL_NO_ERROR(); 322 323 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 324 325 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 326 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 327 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 328 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 329 } 330 331 // Draw to system framebuffer, blit whole-buffer color to user-created framebuffer. 332 TEST_F(BlitFramebufferANGLETest, ReverseColorBlit) 333 { 334 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 335 336 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 337 338 drawQuad(mCheckerProgram, "position", 0.8f); 339 340 EXPECT_GL_NO_ERROR(); 341 342 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); 343 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); 344 345 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 346 GL_COLOR_BUFFER_BIT, GL_NEAREST); 347 348 EXPECT_GL_NO_ERROR(); 349 350 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 351 352 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 353 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 354 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 355 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 356 } 357 358 // blit from user-created FBO to system framebuffer, with the scissor test enabled. 359 TEST_F(BlitFramebufferANGLETest, ScissoredBlit) 360 { 361 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 362 363 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 364 365 drawQuad(mCheckerProgram, "position", 0.8f); 366 367 EXPECT_GL_NO_ERROR(); 368 369 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 370 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 371 372 glClearColor(1.0, 1.0, 1.0, 1.0); 373 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 374 375 glScissor(getWindowWidth() / 2, 0, getWindowWidth() / 2, getWindowHeight()); 376 glEnable(GL_SCISSOR_TEST); 377 378 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 379 GL_COLOR_BUFFER_BIT, GL_NEAREST); 380 381 EXPECT_GL_NO_ERROR(); 382 383 glDisable(GL_SCISSOR_TEST); 384 385 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 386 387 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); 388 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 389 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 390 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255); 391 } 392 393 // blit from system FBO to user-created framebuffer, with the scissor test enabled. 394 TEST_F(BlitFramebufferANGLETest, ReverseScissoredBlit) 395 { 396 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 397 398 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 399 400 drawQuad(mCheckerProgram, "position", 0.8f); 401 402 EXPECT_GL_NO_ERROR(); 403 404 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); 405 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); 406 407 glClearColor(1.0, 1.0, 1.0, 1.0); 408 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 409 410 glScissor(getWindowWidth() / 2, 0, getWindowWidth() / 2, getWindowHeight()); 411 glEnable(GL_SCISSOR_TEST); 412 413 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 414 GL_COLOR_BUFFER_BIT, GL_NEAREST); 415 416 EXPECT_GL_NO_ERROR(); 417 418 glDisable(GL_SCISSOR_TEST); 419 420 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 421 422 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); 423 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 424 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 425 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255); 426 } 427 428 // blit from user-created FBO to system framebuffer, using region larger than buffer. 429 TEST_F(BlitFramebufferANGLETest, OversizedBlit) 430 { 431 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 432 433 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 434 435 drawQuad(mCheckerProgram, "position", 0.8f); 436 437 EXPECT_GL_NO_ERROR(); 438 439 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 440 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 441 442 glClearColor(1.0, 1.0, 1.0, 1.0); 443 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 444 445 glBlitFramebufferANGLE(0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 446 GL_COLOR_BUFFER_BIT, GL_NEAREST); 447 448 EXPECT_GL_NO_ERROR(); 449 450 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 451 452 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 453 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 454 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 455 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 456 } 457 458 // blit from system FBO to user-created framebuffer, using region larger than buffer. 459 TEST_F(BlitFramebufferANGLETest, ReverseOversizedBlit) 460 { 461 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 462 463 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 464 465 drawQuad(mCheckerProgram, "position", 0.8f); 466 467 EXPECT_GL_NO_ERROR(); 468 469 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); 470 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); 471 472 glClearColor(1.0, 1.0, 1.0, 1.0); 473 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 474 475 glBlitFramebufferANGLE(0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 0, 0, getWindowWidth() * 2, getWindowHeight() * 2, 476 GL_COLOR_BUFFER_BIT, GL_NEAREST); 477 EXPECT_GL_NO_ERROR(); 478 479 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 480 481 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 482 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 483 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 484 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 485 } 486 487 // blit from user-created FBO to system framebuffer, with depth buffer. 488 TEST_F(BlitFramebufferANGLETest, BlitWithDepth) 489 { 490 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 491 492 glDepthMask(GL_TRUE); 493 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 494 495 glEnable(GL_DEPTH_TEST); 496 497 drawQuad(mCheckerProgram, "position", 0.3f); 498 499 EXPECT_GL_NO_ERROR(); 500 501 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 502 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 503 504 glClearColor(1.0, 1.0, 1.0, 1.0); 505 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 506 507 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 508 GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); 509 EXPECT_GL_NO_ERROR(); 510 511 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 512 513 // if blit is happening correctly, this quad will not draw, because it is behind the blitted one 514 drawQuad(mBlueProgram, "position", 0.8f); 515 516 glDisable(GL_DEPTH_TEST); 517 518 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 519 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 520 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 521 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 522 } 523 524 // blit from system FBO to user-created framebuffer, with depth buffer. 525 TEST_F(BlitFramebufferANGLETest, ReverseBlitWithDepth) 526 { 527 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 528 529 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 530 531 glEnable(GL_DEPTH_TEST); 532 533 drawQuad(mCheckerProgram, "position", 0.3f); 534 535 EXPECT_GL_NO_ERROR(); 536 537 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mUserFBO); 538 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mOriginalFBO); 539 540 glClearColor(1.0f, 1.0f, 1.0f, 1.0f); 541 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 542 543 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 544 GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); 545 EXPECT_GL_NO_ERROR(); 546 547 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 548 549 // if blit is happening correctly, this quad will not draw, because it is behind the blitted one 550 551 drawQuad(mBlueProgram, "position", 0.8f); 552 553 glDisable(GL_DEPTH_TEST); 554 555 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 556 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 557 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 558 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 559 } 560 561 // blit from one region of the system fbo to another-- this should fail. 562 TEST_F(BlitFramebufferANGLETest, BlitSameBufferOriginal) 563 { 564 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 565 566 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 567 568 drawQuad(mCheckerProgram, "position", 0.3f); 569 570 EXPECT_GL_NO_ERROR(); 571 572 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight(), getWindowWidth() / 2, 0, getWindowWidth(), getWindowHeight(), 573 GL_COLOR_BUFFER_BIT, GL_NEAREST); 574 EXPECT_GL_ERROR(GL_INVALID_OPERATION); 575 } 576 577 // blit from one region of the system fbo to another. 578 TEST_F(BlitFramebufferANGLETest, BlitSameBufferUser) 579 { 580 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 581 582 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 583 584 drawQuad(mCheckerProgram, "position", 0.3f); 585 586 EXPECT_GL_NO_ERROR(); 587 588 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight(), getWindowWidth() / 2, 0, getWindowWidth(), getWindowHeight(), 589 GL_COLOR_BUFFER_BIT, GL_NEAREST); 590 EXPECT_GL_ERROR(GL_INVALID_OPERATION); 591 } 592 593 TEST_F(BlitFramebufferANGLETest, BlitPartialColor) 594 { 595 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 596 597 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 598 599 drawQuad(mCheckerProgram, "position", 0.5f); 600 601 EXPECT_GL_NO_ERROR(); 602 603 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 604 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 605 606 glClearColor(1.0, 1.0, 1.0, 1.0); 607 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 608 609 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, getWindowHeight() / 2, getWindowWidth() / 2, getWindowHeight(), 610 GL_COLOR_BUFFER_BIT, GL_NEAREST); 611 612 EXPECT_GL_NO_ERROR(); 613 614 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 615 616 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); 617 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 255, 255, 255, 255); 618 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 255, 255, 255); 619 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 620 } 621 622 TEST_F(BlitFramebufferANGLETest, BlitDifferentSizes) 623 { 624 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 625 626 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 627 628 drawQuad(mCheckerProgram, "position", 0.5f); 629 630 EXPECT_GL_NO_ERROR(); 631 632 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mSmallFBO); 633 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 634 635 glClearColor(1.0, 1.0, 1.0, 1.0); 636 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 637 638 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 639 GL_COLOR_BUFFER_BIT, GL_NEAREST); 640 641 EXPECT_GL_NO_ERROR(); 642 643 glBindFramebuffer(GL_FRAMEBUFFER, mSmallFBO); 644 645 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 646 647 EXPECT_GL_NO_ERROR(); 648 } 649 650 TEST_F(BlitFramebufferANGLETest, BlitWithMissingAttachments) 651 { 652 glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO); 653 654 glClear(GL_COLOR_BUFFER_BIT); 655 drawQuad(mCheckerProgram, "position", 0.3f); 656 657 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 658 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mColorOnlyFBO); 659 660 glClearColor(1.0, 1.0, 1.0, 1.0); 661 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 662 663 // depth blit request should be silently ignored, because the read FBO has no depth attachment 664 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 665 GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST); 666 667 EXPECT_GL_NO_ERROR(); 668 669 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 670 671 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 672 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 673 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 674 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 675 676 // unlike in the depth blit tests, this *should* draw a blue quad, because depth info 677 // has not been copied 678 glEnable(GL_DEPTH_TEST); 679 drawQuad(mBlueProgram, "position", 0.8f); 680 glDisable(GL_DEPTH_TEST); 681 682 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255); 683 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255); 684 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); 685 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); 686 } 687 688 TEST_F(BlitFramebufferANGLETest, BlitStencil) 689 { 690 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 691 692 glClear(GL_COLOR_BUFFER_BIT); 693 // fill the stencil buffer with 0x1 694 glStencilFunc(GL_ALWAYS, 0x1, 0xFF); 695 glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE); 696 glEnable(GL_STENCIL_TEST); 697 drawQuad(mCheckerProgram, "position", 0.3f); 698 699 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 700 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 701 702 glClearColor(1.0, 1.0, 1.0, 1.0); 703 glClearStencil(0x0); 704 glClear(GL_COLOR_BUFFER_BIT| GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 705 706 // depth blit request should be silently ignored, because the read FBO has no depth attachment 707 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 708 GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST); 709 710 EXPECT_GL_NO_ERROR(); 711 712 glBindFramebuffer(GL_FRAMEBUFFER, mOriginalFBO); 713 714 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 715 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 716 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 717 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 718 719 glStencilFunc(GL_EQUAL, 0x1, 0xFF); // only pass if stencil buffer at pixel reads 0x1 720 drawQuad(mBlueProgram, "position", 0.8f); // blue quad will draw if stencil buffer was copied 721 glDisable(GL_STENCIL_TEST); 722 723 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255); 724 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 0, 255, 255); 725 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); 726 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 0, 255, 255); 727 } 728 729 // make sure that attempting to blit a partial depth buffer issues an error 730 TEST_F(BlitFramebufferANGLETest, BlitPartialDepthStencil) 731 { 732 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 733 734 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 735 736 drawQuad(mCheckerProgram, "position", 0.5f); 737 738 EXPECT_GL_NO_ERROR(); 739 740 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 741 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 742 743 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, 0, 744 getWindowWidth() / 2, getWindowHeight() / 2, GL_DEPTH_BUFFER_BIT, GL_NEAREST); 745 EXPECT_GL_ERROR(GL_INVALID_OPERATION); 746 } 747 748 // Test blit with MRT framebuffers 749 TEST_F(BlitFramebufferANGLETest, BlitMRT) 750 { 751 if (!extensionEnabled("GL_EXT_draw_buffers")) 752 { 753 return; 754 } 755 756 GLenum drawBuffers[] = { GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT }; 757 758 glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO); 759 glDrawBuffersEXT(2, drawBuffers); 760 761 glBindFramebuffer(GL_FRAMEBUFFER, mColorOnlyFBO); 762 763 glClear(GL_COLOR_BUFFER_BIT); 764 765 drawQuad(mCheckerProgram, "position", 0.8f); 766 767 EXPECT_GL_NO_ERROR(); 768 769 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mColorOnlyFBO); 770 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mMRTFBO); 771 772 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 773 GL_COLOR_BUFFER_BIT, GL_NEAREST); 774 775 EXPECT_GL_NO_ERROR(); 776 777 glBindFramebuffer(GL_FRAMEBUFFER, mMRTFBO); 778 779 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 780 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 781 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 782 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 783 784 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, 0, 0); 785 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mMRTColorBuffer0, 0); 786 787 EXPECT_PIXEL_EQ( getWindowWidth() / 4, getWindowHeight() / 4, 255, 0, 0, 255); 788 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, getWindowHeight() / 4, 0, 255, 0, 255); 789 EXPECT_PIXEL_EQ(3 * getWindowWidth() / 4, 3 * getWindowHeight() / 4, 255, 0, 0, 255); 790 EXPECT_PIXEL_EQ( getWindowWidth() / 4, 3 * getWindowHeight() / 4, 0, 255, 0, 255); 791 792 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mMRTColorBuffer0, 0); 793 glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, mMRTColorBuffer1, 0); 794 } 795 796 // Make sure that attempts to stretch in a blit call issue an error 797 TEST_F(BlitFramebufferANGLETest, ErrorStretching) 798 { 799 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 800 801 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 802 803 drawQuad(mCheckerProgram, "position", 0.5f); 804 805 EXPECT_GL_NO_ERROR(); 806 807 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 808 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 809 810 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, 0, 0, 811 getWindowWidth(), getWindowHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST); 812 EXPECT_GL_ERROR(GL_INVALID_OPERATION); 813 } 814 815 // Make sure that attempts to flip in a blit call issue an error 816 TEST_F(BlitFramebufferANGLETest, ErrorFlipping) 817 { 818 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 819 820 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 821 822 drawQuad(mCheckerProgram, "position", 0.5f); 823 824 EXPECT_GL_NO_ERROR(); 825 826 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 827 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 828 829 glBlitFramebufferANGLE(0, 0, getWindowWidth() / 2, getWindowHeight() / 2, getWindowWidth() / 2, getWindowHeight() / 2, 830 0, 0, GL_COLOR_BUFFER_BIT, GL_NEAREST); 831 EXPECT_GL_ERROR(GL_INVALID_OPERATION); 832 } 833 834 TEST_F(BlitFramebufferANGLETest, Errors) 835 { 836 glBindFramebuffer(GL_FRAMEBUFFER, mUserFBO); 837 838 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); 839 840 drawQuad(mCheckerProgram, "position", 0.5f); 841 842 EXPECT_GL_NO_ERROR(); 843 844 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mOriginalFBO); 845 glBindFramebuffer(GL_READ_FRAMEBUFFER_ANGLE, mUserFBO); 846 847 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 848 GL_COLOR_BUFFER_BIT, GL_LINEAR); 849 EXPECT_GL_ERROR(GL_INVALID_ENUM); 850 851 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 852 GL_COLOR_BUFFER_BIT | 234, GL_NEAREST); 853 EXPECT_GL_ERROR(GL_INVALID_VALUE); 854 855 glBindFramebuffer(GL_DRAW_FRAMEBUFFER_ANGLE, mDiffFormatFBO); 856 857 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 858 GL_COLOR_BUFFER_BIT, GL_NEAREST); 859 EXPECT_GL_ERROR(GL_INVALID_OPERATION); 860 861 if (extensionEnabled("GL_ANGLE_framebuffer_multisample")) 862 { 863 glBindFramebuffer(GL_READ_FRAMEBUFFER, mBGRAMultisampledFBO); 864 glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mRGBAFBO); 865 EXPECT_GL_NO_ERROR(); 866 867 glBlitFramebufferANGLE(0, 0, getWindowWidth(), getWindowHeight(), 0, 0, getWindowWidth(), getWindowHeight(), 868 GL_COLOR_BUFFER_BIT, GL_NEAREST); 869 EXPECT_GL_ERROR(GL_INVALID_OPERATION); 870 } 871 872 } 873
