http://bugs.freedesktop.org/show_bug.cgi?id=15386
Summary: r300: Vertex program has problems with more than 7
inputs
Product: Mesa
Version: CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/r300
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
Created an attachment (id=15739)
--> (http://bugs.freedesktop.org/attachment.cgi?id=15739)
progs/vp-tris patch, to get examples working
Looks like vertex program has some problems with more than 7 inputs. The
following vp gives just some random garbage (with patched vp-tris, see
attachment)
!!ARBvp1.0
MOV result.position, vertex.position;
MOV result.color.primary, vertex.color.primary;
MOV result.color.secondary, vertex.color.secondary;
MOV result.texcoord[0], vertex.texcoord[0];
MOV result.texcoord[1], vertex.texcoord[1];
MOV result.texcoord[2], vertex.texcoord[2];
MOV result.texcoord[3], vertex.texcoord[3];
MOV result.color, vertex.texcoord[4];
END
But this one works fine (one big yellow triangle)
!!ARBvp1.0
MOV result.position, vertex.position;
MOV result.color.primary, vertex.color.primary;
MOV result.color.secondary, vertex.color.secondary;
MOV result.texcoord[0], vertex.texcoord[1];
MOV result.texcoord[1], vertex.texcoord[1];
MOV result.texcoord[2], vertex.texcoord[2];
MOV result.texcoord[3], vertex.texcoord[3];
MOV result.color, vertex.texcoord[4];
END
I looked at the aos stuff, input route, input cntl but everything looks fine.
According to the r500 doc (5.2.3.9) 3D_LOAD_VBPNTR, accepts 12 inputs, so it
doesn't look like a hw limitation. Strange is VAP_VTX_AOS_ADDR has a limit of
16 inputs?
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