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intel/compiler: Delete unused repclear shader uniform handling

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A long time ago, we used a uniform for the clear color.  Back in 2014,
we added support for using a flat input instead, as this was easier for
Vulkan, but we left the option of using a uniform for OpenGL.

Eventually nobody used the uniform approach anymore, but the compiler
code to handle it remained.  Drop the dead code.

Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20172>
This commit is contained in:
Kenneth Graunke 2022-11-23 00:38:02 -08:00 • committed by Marge Bot
parent b35f1fc910
commit e6460fe66b
1 changed files with 8 additions and 21 deletions
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29
src/intel/compiler/brw_fs.cpp
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@ -3601,21 +3601,15 @@ fs_visitor::emit_repclear_shader()
brw_wm_prog_key *key = (brw_wm_prog_key*) this->key;
int base_mrf = 0;
int color_mrf = base_mrf + 2;
fs_inst *mov;
if (uniforms > 0) {
mov = bld.exec_all().group(4, 0)
.MOV(brw_message_reg(color_mrf),
fs_reg(UNIFORM, 0, BRW_REGISTER_TYPE_F));
} else {
struct brw_reg reg =
brw_reg(BRW_GENERAL_REGISTER_FILE, 2, 3, 0, 0, BRW_REGISTER_TYPE_UD,
BRW_VERTICAL_STRIDE_8, BRW_WIDTH_2, BRW_HORIZONTAL_STRIDE_4,
BRW_SWIZZLE_XYZW, WRITEMASK_XYZW);
assert(uniforms == 0);
mov = bld.exec_all().group(4, 0)
.MOV(brw_uvec_mrf(4, color_mrf, 0), fs_reg(reg));
}
struct brw_reg reg =
brw_reg(BRW_GENERAL_REGISTER_FILE, 2, 3, 0, 0, BRW_REGISTER_TYPE_UD,
BRW_VERTICAL_STRIDE_8, BRW_WIDTH_2, BRW_HORIZONTAL_STRIDE_4,
BRW_SWIZZLE_XYZW, WRITEMASK_XYZW);
bld.exec_all().group(4, 0).MOV(brw_uvec_mrf(4, color_mrf, 0), fs_reg(reg));
fs_inst *write = NULL;
if (key->nr_color_regions == 1) {
@ -3652,14 +3646,7 @@ fs_visitor::emit_repclear_shader()
calculate_cfg();
assign_constant_locations();
assign_curb_setup();
/* Now that we have the uniform assigned, go ahead and force it to a vec4. */
if (uniforms > 0) {
assert(mov->src[0].file == FIXED_GRF);
mov->src[0] = brw_vec4_grf(mov->src[0].nr, 0);
}
this->first_non_payload_grf = payload().num_regs;
lower_scoreboard();
}