2017-05-15 20:28 GMT+02:00 Ian Romanick <i...@freedesktop.org>:
> With this patch I applied, I still see this bit used in several
> places, including the i915 driver. Did you test that?
>
> rc/compiler/shader_enums.h:#define VARYING_BIT_FOGC
> BITFIELD64_BIT(VARYING_SLOT_FOGC)
> src/mesa/swrast/s_context.c: VARYING_BIT_FOGC |
> VARYING_BITS_TEX_ANY;
> src/mesa/swrast/s_context.c: attribsMask |= VARYING_BIT_FOGC;
> src/mesa/swrast/s_fog.c:if (span->arrayAttribs & VARYING_BIT_FOGC) {
> \
> src/mesa/program/programopt.c: * This function sets \c VARYING_BIT_FOGC in \c
> fprog->info.inputs_read.
> src/mesa/program/programopt.c: fprog->info.inputs_read |= VARYING_BIT_FOGC;
> src/mesa/main/ffvertex_prog.c: if (p->state->fragprog_inputs_read &
> VARYING_BIT_FOGC)
> src/mesa/drivers/dri/i915/i915_fragprog.c: if ((inputsRead &
> VARYING_BIT_FOGC)) {
> src/mesa/tnl/t_context.c: || (fp != NULL && (fp->info.inputs_read &
> VARYING_BIT_FOGC) != 0)) {
The bit would eventually end in the state_key::inputs_available bitset
which is only used locally (i.e. in the same source file). It was
never tested against.
Regards,
Gustaw
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