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)) {
On 03/30/2017 11:09 AM, Gustaw Smolarczyk wrote:
> It's not used.
>
> Signed-off-by: Gustaw Smolarczyk <[email protected]>
> ---
> src/mesa/main/ff_fragment_shader.cpp | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/src/mesa/main/ff_fragment_shader.cpp
> b/src/mesa/main/ff_fragment_shader.cpp
> index 95c74e2b92..05641997de 100644
> --- a/src/mesa/main/ff_fragment_shader.cpp
> +++ b/src/mesa/main/ff_fragment_shader.cpp
> @@ -449,10 +449,8 @@ static GLuint make_state_key( struct gl_context *ctx,
> struct state_key *key )
> }
>
> /* _NEW_FOG */
> - if (ctx->Fog.Enabled) {
> + if (ctx->Fog.Enabled)
> key->fog_mode = translate_fog_mode(ctx->Fog.Mode);
> - inputs_referenced |= VARYING_BIT_FOGC; /* maybe */
> - }
>
> /* _NEW_BUFFERS */
> key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers;
>
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