diff options
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_vertexprog.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_vertexprog.c b/src/mesa/drivers/dri/r300/r300_vertexprog.c index 2492a4a3a0..c08c98767e 100644 --- a/src/mesa/drivers/dri/r300/r300_vertexprog.c +++ b/src/mesa/drivers/dri/r300/r300_vertexprog.c @@ -1072,6 +1072,8 @@ static void insert_wpos(struct r300_vertex_program *vp, vpi = &prog->Instructions[prog->NumInstructions-1]; assert(vpi->Opcode == OPCODE_END); + /* we need position, don't we ? :) */ + prog->InputsRead |= (1 << VERT_ATTRIB_POS); } static void pos_as_texcoord(struct r300_vertex_program *vp, @@ -1101,8 +1103,9 @@ static struct r300_vertex_program *build_program(struct r300_vertex_program_key vp->wpos_idx = wpos_idx; - if(mesa_vp->IsPositionInvariant) + if(mesa_vp->IsPositionInvariant) { position_invariant(&mesa_vp->Base); + } if(wpos_idx > -1) pos_as_texcoord(vp, &mesa_vp->Base); @@ -1158,6 +1161,10 @@ void r300_select_vertex_shader(r300ContextPtr r300) wanted_key.OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i); wanted_key.InputsRead = vpc->mesa_program.Base.InputsRead; + if(vpc->mesa_program.IsPositionInvariant) { + /* we wan't position don't we ? */ + wanted_key.InputsRead |= (1 << VERT_ATTRIB_POS); + } for (vp = vpc->progs; vp; vp = vp->next) if (_mesa_memcmp(&vp->key, &wanted_key, sizeof(wanted_key)) == 0) { @@ -1170,6 +1177,5 @@ void r300_select_vertex_shader(r300ContextPtr r300) vp = build_program(&wanted_key, &vpc->mesa_program, wpos_idx); vp->next = vpc->progs; vpc->progs = vp; - r300->selected_vp = vp; } |