Bug 78952

Summary:	[BDW GT3]Rendercheck blend fails
Product:	xorg	Reporter:	lu hua <huax.lu>
Component:	Driver/intel	Assignee:	Rodrigo Vivi <rodrigo.vivi>
Status:	VERIFIED DUPLICATE	QA Contact:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity:	normal
Priority:	medium	CC:	ben
Version:	unspecified
Hardware:	All
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:
Bug Depends on:
Bug Blocks:	77263, 79251

Description lu hua 2014-05-20 08:49:10 UTC

System Environment:
--------------------------
Platform: Broadwell
Libdrm:		(master)libdrm-2.4.52-10-g1cb5fc706cf5913d9dee33c939f65a23ecea17a5
Mesa:		(master)4d641803e8f8763dcf4a262c6bcf2d1ba0431ca2
Xserver:		(master)xorg-server-1.15.99.902
Xf86_video_intel:		(master)2.99.911-49-g617e96f3af861dd797f98d5a74978f9ba595a981 
Libva:		(staging)960352aaf1e11891a533ce2c98b16edde24d6851
Libva_intel_driver:		(staging)4a3f17ae44bae58daf65dcc706332b28a6d478ac
Kernel:	(drm-intel-nightly) 8490f3fc02d24548830dc2d4272f683781c7c8bd

Bug detailed description:
-------------------------
It fails on Broadwell GT3, and works well on GT1 and GT2.
Following cases also fail on GT3:
mcoords
repeat
tmcoords
tscoords
run ./rendercheck -o src,over,overreverse,xor -t blend
output:
rendercheck 1.4
Render extension version 0.11
Window format: r8g8b8
Found server-supported format: a8
Found server-supported format: a8r8g8b8
Found server-supported format: x8r8g8b8
Found server-supported format: b8g8r8a8
Found server-supported format: b8g8r8x8
Found server-supported format: r8g8b8
Found server-supported format: b8g8r8
Found server-supported format: r5g5b5
Found server-supported format: b5g5r5
Found server-supported format: x1r5g5b5
Found server-supported format: x1b5g5r5
Found server-supported format: r5g6b5
Found server-supported format: b5g6r5
Found server-supported format: x8b8g8r8
Found server-supported format: x2r10g10b10
Found server-supported format: x2b10g10r10
Beginning blend test on a8
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 0.000 0.000 0.000 1.000
expected: 0.000 0.000 0.000 0.000
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 0.00 0.00 0.00 1.00
src: 1x1R a8, dst: a8
Beginning blend test on a8r8g8b8
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 0.000 0.000 0.000 1.000
expected: 0.000 0.000 0.000 0.000
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 0.00 0.00 0.00 1.00
src: 1x1R a8, dst: a8r8g8b8
Beginning blend test on x8r8g8b8
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x8r8g8b8
Beginning blend test on b8g8r8a8
Beginning blend test on b8g8r8x8
Beginning blend test on r8g8b8
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r8g8b8
Beginning blend test on b8g8r8
Src blend test error of 255.0000 at (0, 0) –
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: b8g8r8
Beginning blend test on r5g5b5
Xor blend test error of 31.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r5g5b5
Beginning blend test on b5g5r5
Beginning blend test on x1r5g5b5
Xor blend test error of 31.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x1r5g5b5
Beginning blend test on x1b5g5r5
Beginning blend test on r5g6b5
Src blend test error of 63.0000 at (0, 0) –
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r5g6b5
Beginning blend test on b5g6r5
Beginning blend test on x8b8g8r8
Src blend test error of 255.0000 at (0, 0) –
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x8b8g8r8
Beginning blend test on x2r10g10b10
Beginning blend test on x2b10g10r10
Beginning blend test on r8g8b8 window
Xor blend test error of 255.0000 at (0, 0) –
R G B A
got: 1.000 1.000 1.000 1.000
expected: 0.000 0.000 0.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: r8g8b8 window
7 tests passed of 17 total
Successful Groups:

Reproduce steps:
---------------------------- 
1. xinit
2. ./rendercheck -o src,over,overreverse,xor -t blend

Comment 1 Chris Wilson 2014-05-28 12:26:50 UTC

Just adding this to the list of bugs I'd like some assistance with.

Comment 2 Chris Wilson 2014-05-28 16:34:42 UTC

Fwiw, using fulsim with gt=3 doesn't seem to detect any errors.

Comment 3 Ben Widawsky 2014-05-29 02:05:16 UTC


*** This bug has been marked as a duplicate of bug 77263 ***

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