Created attachment 23192 [details] xorg.0.log System Environment: -------------------------- Platform: g45 Architecture(32-bit,64-bit,compatiblity): 64-bit Libdrm: (master)4a0d19ef4f210cea9e60c5acc355df03723ef808 Mesa: (mesa_7_4_branch)e2092bb23c956ba9ab940935f803ef843db81af2 Xserver: (server-1.6-branch)4557b3f6c4273cd83b701beaf7a150c806fed298 Xf86_video_intel: (master)81c652e9a666a7459bcc5217c8a5ec518b6e00da GEM_Kernel (for-airlied)99d31f896d243c13bb90b56620d33b416a5cffa7 Bug detailed description: -------------------------- start X,then run readpix, and press s to toggle scale/bias. Only the middle one (Read/Drawpixs) will have change the on on the right get nothing but a white window.(As shown in the attached screenshot) And it should be that both the middle and the right one change together. it works well On q965 and 945gm. Reproduce steps: ---------------- 1. xinit& 2. gnome-session& 3. demo/readpix
Created attachment 23193 [details] xorg conf file
Created attachment 23194 [details] screenshot of readpix
scale and bias with ReadPixels is definitely not a release blocker.
verified against: Libdrm: (master)2e2e8575b1ed4703653a72ac2b60b75316c388d7 Mesa: (mesa_7_4_branch)a8528a2e8653b5237c1d1d66fe98c6e031d007f9 Xserver:(server-1.6-branch) 60c161545af80eb78eb790a05bde79409dfdf16e Xf86_video_intel: (2.7)238c2c40afd9f8b61479b8640d53f20d52fd7ddf Kernel: (for-airlied)dc529a4fe1ae4667c819437a94185e8581e1e680
this bug happens again. we test it with: Libdrm: (master)8b8e20e0f9900fae23baee55a91533a739c1a3ec Mesa: (master)d3912e301fd707738b0952cd11e19f34b87765b8 Xserver: (master)2075d4bf9e53b8baef0b919da6c44771220cd4a5 Xf86_video_intel: (master)1c68bc376a9cb3c0a010c8e28f69a776755c8f64 Kernel: (for-linus)79f11c19a396e8cea7dad322dcfb46c0a8517fe6
(In reply to comment #5) > this bug happens again. we test it with: > Libdrm: (master)8b8e20e0f9900fae23baee55a91533a739c1a3ec > Mesa: (master)d3912e301fd707738b0952cd11e19f34b87765b8 > Xserver: (master)2075d4bf9e53b8baef0b919da6c44771220cd4a5 > Xf86_video_intel: > (master)1c68bc376a9cb3c0a010c8e28f69a776755c8f64 > Kernel: (for-linus)79f11c19a396e8cea7dad322dcfb46c0a8517fe6 > and it also happens on gm45 now.
915gm also encounters the same issue.
*** Bug 22491 has been marked as a duplicate of this bug. ***
commit 16a1f68c391688a631d1d8d47cd1ac78800bcffc Author: Brian Paul <brianp@vmware.com> Date: Mon Aug 10 15:48:02 2009 -0600 intel: use new _mesa_meta_copy_pixels() function
verified with belowing commits: Libdrm: (master)73b59c894380995a2889b98e79acadd2da0bb237 Mesa: (master)241c3a1d8001fc5a30e2af4b4636b48e6f99690a Xserver: (master)3be80bd98357cf362aa9a004d1292e5167d83a17 Xf86_video_intel: (master)7c48c21b22bf5862c5a35bda1635753cc5a7197c Kernel_unstable: (drm-intel-next)5ff7fc632793f741ad0e41babb7b8de74c7450aa
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