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| author | Alex Deucher <alexdeucher@gmail.com> | 2009-12-16 16:18:22 -0500 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-12-16 16:18:22 -0500 |
| commit | 20ee275974a58cd221031d522ad58a9548af2a31 (patch) | |
| tree | 0985215185cfe2df35edfac083ce0a470966b208 | |
| parent | aeea8a07b8a3d126f62395c7f7de4fcab741846a (diff) | |
r600: Invert front face winding when rendering to FBO
fixes fdo bug 25679
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_state.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c index 244a016e07..e763d2803c 100644 --- a/src/mesa/drivers/dri/r600/r700_state.c +++ b/src/mesa/drivers/dri/r600/r700_state.c @@ -655,6 +655,10 @@ static void r700UpdateCulling(GLcontext * ctx) CLEARbit(r700->PA_SU_SC_MODE_CNTL.u32All, FACE_bit); /* default: ccw */ break; } + + /* Winding is inverted when rendering to FBO */ + if (ctx->DrawBuffer && ctx->DrawBuffer->Name) + r700->PA_SU_SC_MODE_CNTL.u32All ^= FACE_bit; } static void r700UpdateLineStipple(GLcontext * ctx) |