http://bugs.freedesktop.org/show_bug.cgi?id=26123
Summary: Rendering to offscreen depth-texture fails
Product: Mesa
Version: git
Platform: Other
URL: http://fabiensanglard.net/shadowmapping/index.php
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/R600
AssignedTo: [email protected]
ReportedBy: [email protected]
driver: r300g, latest git on ubuntu lucid. (Kernel 2.6.32)
when executing the linked demo, the shadowmap is being misrendered and on the
console there is a lot of vomit in the style of:
Pkt3 at 306 :
PACKET3_3D_LOAD_VBPNTR:
0x00000001
0x00000603
0x000004B0
Pkt3 at 310 :
PACKET3_NOP:
0x00000004
Pkt0 at 312 (1 dwords):
0x0003AAAA -> 0x4278
Pkt0 at 314 (1 dwords):
0x00000000 -> 0x2138
Pkt0 at 316 (1 dwords):
0x00000017 -> 0x2134
Pkt3 at 318 :
PACKET3_3D_DRAW_VBUF_2:
0x0018002D
...
If I change the code and add a COLOR_ATTACHMENT texture to the FBO the vomit
goes away, but the shadowmap is still misrendered.
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