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-rw-r--r--src/intel/compiler/brw_fs.h11
-rw-r--r--src/intel/compiler/brw_fs_nir.cpp43
2 files changed, 54 insertions, 0 deletions
diff --git a/src/intel/compiler/brw_fs.h b/src/intel/compiler/brw_fs.h
index faf51568637..779170ecc95 100644
--- a/src/intel/compiler/brw_fs.h
+++ b/src/intel/compiler/brw_fs.h
@@ -519,6 +519,17 @@ void shuffle_16bit_data_for_32bit_write(const brw::fs_builder &bld,
const fs_reg &src,
uint32_t components);
+void shuffle_from_32bit_read(const brw::fs_builder &bld,
+ const fs_reg &dst,
+ const fs_reg &src,
+ uint32_t first_component,
+ uint32_t components);
+
+fs_reg shuffle_for_32bit_write(const brw::fs_builder &bld,
+ const fs_reg &src,
+ uint32_t first_component,
+ uint32_t components);
+
fs_reg setup_imm_df(const brw::fs_builder &bld,
double v);
diff --git a/src/intel/compiler/brw_fs_nir.cpp b/src/intel/compiler/brw_fs_nir.cpp
index d91faf135ef..9a0de3ae92a 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -5463,6 +5463,49 @@ shuffle_src_to_dst(const fs_builder &bld,
}
}
+void
+shuffle_from_32bit_read(const fs_builder &bld,
+ const fs_reg &dst,
+ const fs_reg &src,
+ uint32_t first_component,
+ uint32_t components)
+{
+ assert(type_sz(src.type) == 4);
+
+ /* This function takes components in units of the destination type while
+ * shuffle_src_to_dst takes components in units of the smallest type
+ */
+ if (type_sz(dst.type) > 4) {
+ assert(type_sz(dst.type) == 8);
+ first_component *= 2;
+ components *= 2;
+ }
+
+ shuffle_src_to_dst(bld, dst, src, first_component, components);
+}
+
+fs_reg
+shuffle_for_32bit_write(const fs_builder &bld,
+ const fs_reg &src,
+ uint32_t first_component,
+ uint32_t components)
+{
+ fs_reg dst = bld.vgrf(BRW_REGISTER_TYPE_D,
+ DIV_ROUND_UP (components * type_sz(src.type), 4));
+ /* This function takes components in units of the source type while
+ * shuffle_src_to_dst takes components in units of the smallest type
+ */
+ if (type_sz(src.type) > 4) {
+ assert(type_sz(src.type) == 8);
+ first_component *= 2;
+ components *= 2;
+ }
+
+ shuffle_src_to_dst(bld, dst, src, first_component, components);
+
+ return dst;
+}
+
fs_reg
setup_imm_df(const fs_builder &bld, double v)
{