diff options
Diffstat (limited to 'src/mesa/tnl/t_vb_fog.c')
| -rw-r--r-- | src/mesa/tnl/t_vb_fog.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/src/mesa/tnl/t_vb_fog.c b/src/mesa/tnl/t_vb_fog.c index 6fad9528cda..9e3d440b6a0 100644 --- a/src/mesa/tnl/t_vb_fog.c +++ b/src/mesa/tnl/t_vb_fog.c @@ -1,4 +1,4 @@ -/* $Id: t_vb_fog.c,v 1.12 2001/09/14 21:30:31 brianp Exp $ */ +/* $Id: t_vb_fog.c,v 1.13 2001/12/14 02:51:45 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -166,8 +166,7 @@ static GLboolean run_fog_stage( GLcontext *ctx, input->count = VB->ObjPtr->count; } - else - { + else { input = &store->input; if (VB->EyePtr->size < 2) @@ -178,7 +177,8 @@ static GLboolean run_fog_stage( GLcontext *ctx, input->stride = VB->EyePtr->stride; input->count = VB->EyePtr->count; } - } else { + } + else { /* use glFogCoord() coordinates */ /* source = VB->FogCoordPtr */ input = VB->FogCoordPtr; @@ -190,14 +190,15 @@ static GLboolean run_fog_stage( GLcontext *ctx, return GL_TRUE; } + static void check_fog_stage( GLcontext *ctx, struct gl_pipeline_stage *stage ) { - stage->active = ctx->Fog.Enabled; + stage->active = ctx->Fog.Enabled && !ctx->VertexProgram.Enabled; if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT) stage->inputs = VERT_EYE; else - stage->inputs = VERT_FOG_COORD; + stage->inputs = VERT_FOG_BIT; } @@ -239,11 +240,14 @@ static void free_fog_data( struct gl_pipeline_stage *stage ) const struct gl_pipeline_stage _tnl_fog_coordinate_stage = { - "build fog coordinates", - _NEW_FOG, - _NEW_FOG, - 0, 0, VERT_FOG_COORD, /* active, inputs, outputs */ - 0, 0, /* changed_inputs, private_data */ + "build fog coordinates", /* name */ + _NEW_FOG, /* check_state */ + _NEW_FOG, /* run_state */ + GL_FALSE, /* active? */ + 0, /* inputs */ + VERT_FOG_BIT, /* outputs */ + 0, /* changed_inputs */ + NULL, /* private_data */ free_fog_data, /* dtr */ check_fog_stage, /* check */ alloc_fog_data /* run -- initially set to init. */ |