[Bug 37261] New: Norsetto shadow mapping doesn't render correctly

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=37261

           Summary: Norsetto shadow mapping doesn't render correctly
           Product: Mesa
           Version: git
          Platform: Other
               URL: http://norsetto.site11.com/?db_select=shadow&page_id=9
                    7
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: sa at whiz.se


Created an attachment (id=46775)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=46775)
Screenshot of bug

The shadow mapping demo from norsetto doesn't render correctly with r600g, none
of the objects are textured and the shadows are missing. Rendering on llvmpipe
seems to be correct.

The demo requires a simple change for the shaders to compile:

--- data/shaders/bumpTBN_SH_FP.glsl.orig    2011-05-16 17:41:49.098224141 +0200
+++ data/shaders/bumpTBN_SH_FP.glsl    2011-05-16 17:41:57.978477020 +0200
@@ -46,7 +46,7 @@ void main()

     offset.y += offset.x;
     if ( offset.y > 1.1)
-        offset.y = 0;
+        offset.y = 0.0;

     vec4 shadow = (    offset_lookup( shadowMap, gl_TexCoord[1],
offset+vec2(-1.5,  0.5) ) +
             offset_lookup( shadowMap, gl_TexCoord[1], offset+vec2( 0.5,  0.5)
) +


System environment:
-- system architecture: 32-bit
-- Linux distribution: Debian unstable
-- GPU: REDWOOD
-- Model: XFX Radeon HD 5670 1GB
-- Display connector: DVI
-- xf86-video-ati: 6.14.1
-- xserver: 1.10.1
-- mesa: git-c9aa3bb
-- drm: 2.4.25
-- kernel: 2.6.39-rc7

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