zink: rendering artifacts in Portal 2
Portal 2 renders some untextured white meshes.
Trace: portal2c.trace
There are some warnings like these in the trace log:
101122: message: major shader compiler issue 1: 0:55(20): warning: `r6' used uninitialized
101122 @0 glCompileShaderARB(shaderObj = 507)
101122: warning: 0:55(20): warning: `r6' used uninitialized
101144: message: major shader compiler issue 2: 0:54(20): warning: `r6' used uninitialized
101144 @0 glCompileShaderARB(shaderObj = 509)
101144: warning: 0:54(20): warning: `r6' used uninitialized
110265: message: major shader compiler issue 3: 0:59(20): warning: `r4' used uninitialized
110265 @0 glCompileShaderARB(shaderObj = 927)
110265: warning: 0:59(20): warning: `r4' used uninitialized
110276: message: major shader compiler issue 4: 0:57(20): warning: `r3' used uninitialized
110276 @0 glCompileShaderARB(shaderObj = 928)
110276: warning: 0:57(20): warning: `r3' used uninitialized
110287: message: major shader compiler issue 5: 0:57(20): warning: `r3' used uninitialized
110287 @0 glCompileShaderARB(shaderObj = 929)
110287: warning: 0:57(20): warning: `r3' used uninitialized
110441: message: major shader compiler issue 6: 0:58(20): warning: `r3' used uninitialized
110441 @0 glCompileShaderARB(shaderObj = 943)
110441: warning: 0:58(20): warning: `r3' used uninitialized
110452: message: major shader compiler issue 7: 0:57(20): warning: `r3' used uninitialized
110452 @0 glCompileShaderARB(shaderObj = 944)
110452: warning: 0:57(20): warning: `r3' used uninitialized