[2833:2833:0516/171634.544343:ERROR:gpu/command_buffer/service/framebuffer_manager.cc:475] [POC] ClearUnclearedIntRenderbufferAttachments: attachment=COLOR_ATTACHMENT0 glClearBuffer*iv(GL_COLOR, 0, 0) DRAW_BUFFER0=0x8ce0
[2833:2833:0516/171634.545308:ERROR:gpu/command_buffer/service/framebuffer_manager.cc:475] [POC] ClearUnclearedIntRenderbufferAttachments: attachment=COLOR_ATTACHMENT0 glClearBuffer*iv(GL_COLOR, 0, 0) DRAW_BUFFER0=0x8ce0
[2801:2801:0516/171634.551428:INFO:CONSOLE:28] "GL_RENDERER: ANGLE (Mesa/X.org, llvmpipe (LLVM 15.0.6 256 bits), OpenGL 4.5 (Core Profile) Mesa 22.3.6)", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.551511:INFO:CONSOLE:28] "--- control: DRAW_BUFFER0 = COLOR_ATTACHMENT0 (lazy clear should work) ---", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.551608:INFO:CONSOLE:28] "[control] non-zero pixels: 0/65536  marker (DE,AD,BE,EF) hits: 0", source: http://127.0.0.1:8765/poc.html (28)
[2833:2833:0516/171634.551592:ERROR:gpu/command_buffer/service/framebuffer_manager.cc:475] [POC] ClearUnclearedIntRenderbufferAttachments: attachment=COLOR_ATTACHMENT0 glClearBuffer*iv(GL_COLOR, 0, 0) DRAW_BUFFER0=0x8ce0
[2801:2801:0516/171634.551701:INFO:CONSOLE:28] "--- bug: DRAW_BUFFER0 = GL_NONE (lazy clear is a spec-mandated no-op) ---", source: http://127.0.0.1:8765/poc.html (28)
[2833:2833:0516/171634.551888:ERROR:gpu/command_buffer/service/framebuffer_manager.cc:475] [POC] ClearUnclearedIntRenderbufferAttachments: attachment=COLOR_ATTACHMENT0 glClearBuffer*iv(GL_COLOR, 0, 0) DRAW_BUFFER0=0x0 (GL_NONE -> CLEAR IS NO-OP, but SetCleared(true) runs => UNINITIALIZED DATA DISCLOSURE)
[2801:2801:0516/171634.555942:INFO:CONSOLE:28] "[drawBuffers([NONE])] non-zero pixels: 65536/65536  marker (DE,AD,BE,EF) hits: 65536", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.556056:INFO:CONSOLE:28] "[drawBuffers([NONE])] sample: [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef]", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.556132:INFO:CONSOLE:28] "[drawBuffers([NONE])] *** UNINITIALIZED RENDERBUFFER MEMORY DISCLOSED ***", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.557508:INFO:CONSOLE:28] "--- bug: integer RB at COLOR_ATTACHMENT1, DRAW_BUFFER1 defaults to NONE ---", source: http://127.0.0.1:8765/poc.html (28)
[2833:2833:0516/171634.588842:ERROR:gpu/command_buffer/service/framebuffer_manager.cc:475] [POC] ClearUnclearedIntRenderbufferAttachments: attachment=COLOR_ATTACHMENT1 glClearBuffer*iv(GL_COLOR, 1, 0) DRAW_BUFFER1=0x8ce1
[2833:2833:0516/171634.589410:ERROR:gpu/command_buffer/service/framebuffer_manager.cc:475] [POC] ClearUnclearedIntRenderbufferAttachments: attachment=COLOR_ATTACHMENT1 glClearBuffer*iv(GL_COLOR, 1, 0) DRAW_BUFFER1=0x0 (GL_NONE -> CLEAR IS NO-OP, but SetCleared(true) runs => UNINITIALIZED DATA DISCLOSURE)
[2801:2801:0516/171634.593908:INFO:CONSOLE:28] "[COLOR_ATTACHMENT1] non-zero pixels: 65536/65536  marker (DE,AD,BE,EF) hits: 65536", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.593967:INFO:CONSOLE:28] "[COLOR_ATTACHMENT1] sample: [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef] [de,ad,be,ef]", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.594016:INFO:CONSOLE:28] "[COLOR_ATTACHMENT1] *** UNINITIALIZED RENDERBUFFER MEMORY DISCLOSED ***", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.594130:INFO:CONSOLE:28] "==> RESULT: lazy-clear BYPASSED when DRAW_BUFFERi==GL_NONE; stale renderbuffer contents disclosed via readPixels.", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.594438:INFO:CONSOLE:28] "GL error: 0x0", source: http://127.0.0.1:8765/poc.html (28)
[2801:2801:0516/171634.594477:INFO:CONSOLE:28] "done.", source: http://127.0.0.1:8765/poc.html (28)