Bug 46665

Summary: [PNV] webgl conformance case max texture fails
Product: Mesa Reporter: zhao jian <jian.j.zhao>
Component: Drivers/DRI/i915Assignee: Yuanhan Liu <yuanhan.liu>
Status: VERIFIED FIXED QA Contact:
Severity: normal    
Priority: medium    
Version: git   
Hardware: x86 (IA32)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:

Description zhao jian 2012-02-26 19:27:54 UTC 
System Environment:
--------------------------
Mesa:        (master)2a97a00e28db330b8061c73ea6f1a7b7ad9d245f

Bug detailed description:
-------------------------
When run webgl conformance case gl-max-texture-dimensions.html, it fails on rendering 1x2048 texture while passed on rendering 2048x1 texture. This only fails on Pinetrail while passed on Ironlake, SandyBridge. 

Reproduce steps:
-------------------------
1. start X
2. run gl-max-texture-dimensions.html in webgl conformance case
Comment 1 Yuanhan Liu 2012-03-06 21:37:12 UTC 
Fixed by the following commit:

----
commit cf2f9ef015c312ecaa6656519602ae535f7ce9d7
Author: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Date:   Tue Mar 6 14:40:32 2012 +0800

    i915: move the FALLBACK_DRAW_OFFSET check outside the drawing rect check
    
    We have to do fallback when the 'Clipped Drawing Rectangle X/Y Max'
    exceed the hardware's limit no matter the drawing rectangle offset
    changed or not.
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=46665
    
    NOTE: This is a candidate for stable release branches.
    
    Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
    Reviewed-by: Eric Anholt <eric@anholt.net>

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