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tgsi: remove unused tgsi_shader_info.colors_read

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Reviewed-by: Charmaine Lee <charmainel@vmware.com>
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24100>
This commit is contained in:
Thomas H.P. Andersen 2023-07-11 18:22:25 +02:00 • committed by Marge Bot
parent 849065b9f3
commit 9684fbc87d
3 changed files with 1 additions and 10 deletions
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4
src/gallium/auxiliary/nir/nir_to_tgsi_info.c
View file

@ -149,10 +149,6 @@ static void gather_intrinsic_load_deref_info(const nir_shader *nir,
tgsi_get_gl_varying_semantic(var->data.location, need_texcoord,
&semantic_name, &semantic_index);
if (semantic_name == TGSI_SEMANTIC_COLOR) {
uint8_t mask = nir_ssa_def_components_read(&instr->dest.ssa);
info->colors_read |= mask << (semantic_index * 4);
}
if (semantic_name == TGSI_SEMANTIC_FACE) {
info->uses_frontface = true;
}

6
src/gallium/auxiliary/tgsi/tgsi_scan.c
View file

@ -157,7 +157,7 @@ scan_src_operand(struct tgsi_shader_info *info,
}
if (info->processor == PIPE_SHADER_FRAGMENT) {
unsigned name, index, input;
unsigned name, input;
if (src->Register.Indirect && src->Indirect.ArrayID)
input = info->input_array_first[src->Indirect.ArrayID];
@ -165,15 +165,11 @@ scan_src_operand(struct tgsi_shader_info *info,
input = src->Register.Index;
name = info->input_semantic_name[input];
index = info->input_semantic_index[input];
if (name == TGSI_SEMANTIC_POSITION &&
usage_mask_after_swizzle & TGSI_WRITEMASK_Z)
info->reads_z = true;
if (name == TGSI_SEMANTIC_COLOR)
info->colors_read |= usage_mask_after_swizzle << (index * 4);
/* Process only interpolated varyings. Don't include POSITION.
* Don't include integer varyings, because they are not
* interpolated. Don't process inputs interpolated by INTERP

1
src/gallium/auxiliary/tgsi/tgsi_scan.h
View file

@ -84,7 +84,6 @@ struct tgsi_shader_info
bool reads_perpatch_outputs;
bool reads_tessfactor_outputs;
uint8_t colors_read; /**< which color components are read by the FS */
uint8_t colors_written;
bool reads_position; /**< does fragment shader read position? */
bool reads_z; /**< does fragment shader read depth? */