[.] Sanitizer coverage enabled. Counter map size: 2406679, Cmp map size: 262144
Note: Google Test filter = GpuRasterPixelTest.POC_ForgedSlugCreationMatrix_AtlasBilerpBleed
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from GpuRasterPixelTest
[ RUN      ] GpuRasterPixelTest.POC_ForgedSlugCreationMatrix_AtlasBilerpBleed
[POC] === Pass A: forged draw on FRESH atlas ===
[POC][renderer-side] VertexFiller::flatten: FORGED creationMatrix (postTranslate(-0.5,-0.5)); fCanDrawDirect=1 maskFormat=0
[3622:3643:WARNING:ui/gfx/linux/gbm_support_x11.cc:48] dri3 extension not supported.
[POC][gpu-side] *** INVARIANT VIOLATION *** AtlasTextOp::Make: needsTransform=true (→ kLinear filter) for DirectMaskSubRun with glyphSrcPadding()=0 (→ zero-border atlas pack). Bilinear sampler will bleed neighbouring atlas texels. violation_count=1
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=3 h=15
[POC][gpu-side]   ↳ atlas rect L=0 T=0 R=3 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC] === Pass B: prime atlas with victim glyphs, then forged draw ===
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=14 h=15
[POC][gpu-side]   ↳ atlas rect L=0 T=0 R=14 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=14 h=15
[POC][gpu-side]   ↳ atlas rect L=14 T=0 R=28 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=15 h=15
[POC][gpu-side]   ↳ atlas rect L=28 T=0 R=43 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=18 h=18
[POC][gpu-side]   ↳ atlas rect L=43 T=0 R=61 B=18 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=15 h=15
[POC][gpu-side]   ↳ atlas rect L=61 T=0 R=76 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=20 h=15
[POC][gpu-side]   ↳ atlas rect L=76 T=0 R=96 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=14 h=18
[POC][gpu-side]   ↳ atlas rect L=96 T=0 R=110 B=18 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=13 h=15
[POC][gpu-side]   ↳ atlas rect L=110 T=0 R=123 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][gpu-side] GrAtlasManager::addGlyphToAtlas: DirectMask glyph packed with padding=0 (fSupportBilerpAtlas=0). w=3 h=15
[POC][gpu-side]   ↳ atlas rect L=123 T=0 R=126 B=15 (insetSrc(0) → no inset; UVs span exact glyph footprint)
[POC][renderer-side] VertexFiller::flatten: FORGED creationMatrix (postTranslate(-0.5,-0.5)); fCanDrawDirect=1 maskFormat=0
[POC][gpu-side] *** INVARIANT VIOLATION *** AtlasTextOp::Make: needsTransform=true (→ kLinear filter) for DirectMaskSubRun with glyphSrcPadding()=0 (→ zero-border atlas pack). Bilinear sampler will bleed neighbouring atlas texels. violation_count=1
[POC] gPOCAtlasBleedViolationCount after forged raster = 1
[POC]   bleed @(12,9): kNearest=FFFFFFFF (own mask=255) kLinear=ff939393 → neighbour-atlas-texel contribution=108/255
[POC]   bleed @(12,10): kNearest=FFFFFFFF (own mask=255) kLinear=ff939393 → neighbour-atlas-texel contribution=108/255
[POC]   bleed @(12,11): kNearest=FFFFFFFF (own mask=255) kLinear=ff939393 → neighbour-atlas-texel contribution=108/255
[POC]   bleed @(12,12): kNearest=FFFFFFFF (own mask=255) kLinear=ff939393 → neighbour-atlas-texel contribution=108/255
[POC] forged-vs-baseline: 45 differing pixels, max channel delta=108/255, solid->dimmed=15, empty->brightened=0
[POC]   *** CROSS-GLYPH LEAK *** @(11,9): forged{empty-atlas}=ff262626  forged{victim-primed}=ff646464  (victim-texel-contribution=62/255)
[POC]   *** CROSS-GLYPH LEAK *** @(11,10): forged{empty-atlas}=ff262626  forged{victim-primed}=ff5e5e5e  (victim-texel-contribution=56/255)
[POC]   *** CROSS-GLYPH LEAK *** @(11,11): forged{empty-atlas}=ff262626  forged{victim-primed}=ff373737  (victim-texel-contribution=17/255)
[POC]   *** CROSS-GLYPH LEAK *** @(11,12): forged{empty-atlas}=ff262626  forged{victim-primed}=ff141414  (victim-texel-contribution=18/255)
[POC]   *** CROSS-GLYPH LEAK *** @(11,13): forged{empty-atlas}=ff262626  forged{victim-primed}=ff131313  (victim-texel-contribution=19/255)
[POC]   *** CROSS-GLYPH LEAK *** @(11,14): forged{empty-atlas}=ff262626  forged{victim-primed}=ff131313  (victim-texel-contribution=19/255)
[POC] Pass-A vs Pass-B (identical attacker draw, only atlas neighbour differs): 15 leaked pixels, max delta=87/255
[       OK ] GpuRasterPixelTest.POC_ForgedSlugCreationMatrix_AtlasBilerpBleed (127 ms)
[----------] 1 test from GpuRasterPixelTest (129 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test suite ran. (130 ms total)
[  PASSED  ] 1 test.