From 60e60bb3026a269fefe1cfd3312fdf3a7e4c595f Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Tue, 14 Jul 2009 08:00:49 +0200 Subject: radeon: Invert front face winding when rendering to FBO. Fixes fgl_glxgears and progs/demos/fbotexture after pressing 'c'. Tested with r300, radeon and r200 compile tested only. --- src/mesa/drivers/dri/radeon/radeon_state.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/mesa/drivers/dri/radeon') diff --git a/src/mesa/drivers/dri/radeon/radeon_state.c b/src/mesa/drivers/dri/radeon/radeon_state.c index 78f7e9d633..0d1728b747 100644 --- a/src/mesa/drivers/dri/radeon/radeon_state.c +++ b/src/mesa/drivers/dri/radeon/radeon_state.c @@ -458,6 +458,10 @@ static void radeonFrontFace( GLcontext *ctx, GLenum mode ) RADEON_STATECHANGE( rmesa, tcl ); rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~RADEON_CULL_FRONT_IS_CCW; + /* Winding is inverted when rendering to FBO */ + if (ctx->DrawBuffer && ctx->DrawBuffer->Name) + mode = (mode == GL_CW) ? GL_CCW : GL_CW; + switch ( mode ) { case GL_CW: rmesa->hw.set.cmd[SET_SE_CNTL] |= RADEON_FFACE_CULL_CW; -- cgit v1.2.3