diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index 5ef8b0720ba..d8cb0f7cb69 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -1980,9 +1980,22 @@ void brw_vs_emit(struct brw_vs_compile *c ) const struct prog_src_register *src = &inst->SrcReg[i]; index = src->Index; file = src->File; - if (file == PROGRAM_OUTPUT && c->output_regs[index].used_in_src) - args[i] = c->output_regs[index].reg; - else + if (file == PROGRAM_OUTPUT && c->output_regs[index].used_in_src) { + /* Can't just make get_arg "do the right thing" here because + * other callers of get_arg and get_src_reg don't expect any + * special behavior for the c->output_regs[index].used_in_src + * case. + */ + args[i] = c->output_regs[index].reg; + args[i].dw1.bits.swizzle = + BRW_SWIZZLE4(GET_SWZ(src->Swizzle, 0), + GET_SWZ(src->Swizzle, 1), + GET_SWZ(src->Swizzle, 2), + GET_SWZ(src->Swizzle, 3)); + + /* Note this is ok for non-swizzle ARB_vp instructions */ + args[i].negate = src->Negate ? 1 : 0; + } else args[i] = get_arg(c, inst, i); } |