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intel/fs: Use the ATTR file for FS inputs

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This replaces the special magic opcodes which implicitly read inputs
with explicit use of the ATTR file.

v2 (Jason Ekstrand):
 - Break into multiple patches
 - Change the units of the FS ATTR to be in logical scalars

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Francisco Jerez
2016-04-25 18:33:22 -07:00
committed by Jason Ekstrand
parent 4bfa2ac2ea
commit 39de901a96
4 changed files with 30 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/intel/compiler/brw_fs_nir.cpp
+3 -5
View File
@@ -3392,10 +3392,8 @@ fs_visitor::nir_emit_fs_intrinsic(const fs_builder &bld,
}
for (unsigned int i = 0; i < num_components; i++) {
struct brw_reg interp = interp_reg(base, comp + i);
interp = suboffset(interp, 3);
bld.emit(FS_OPCODE_CINTERP, offset(retype(dest, type), bld, i),
retype(fs_reg(interp), type));
retype(component(interp_reg(base, comp + i), 3), type));
}
if (nir_dest_bit_size(instr->dest) == 64) {
@@ -3568,8 +3566,8 @@ fs_visitor::nir_emit_fs_intrinsic(const fs_builder &bld,
for (unsigned int i = 0; i < instr->num_components; i++) {
fs_reg interp =
fs_reg(interp_reg(nir_intrinsic_base(instr),
nir_intrinsic_component(instr) + i));
component(interp_reg(nir_intrinsic_base(instr),
nir_intrinsic_component(instr) + i), 0);
interp.type = BRW_REGISTER_TYPE_F;
dest.type = BRW_REGISTER_TYPE_F;