This is a necessary operation that is missing from TGSI.
---
src/gallium/auxiliary/tgsi/tgsi_exec.c |4
src/gallium/auxiliary/tgsi/tgsi_info.c |1 +
src/gallium/docs/source/tgsi.rst | 13 +
src/gallium/include/pipe/p_shader_tokens.h |3 ++-
4 files changed, 20 insertions(+), 1 deletions(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c
b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 7ea8511..3e2b899 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -4193,6 +4193,10 @@ exec_instruction(
exec_vector_trinary(mach, inst, micro_ucmp, TGSI_EXEC_DATA_UINT,
TGSI_EXEC_DATA_UINT);
break;
+ case TGSI_OPCODE_IABS:
+ exec_vector_unary(mach, inst, micro_iabs, TGSI_EXEC_DATA_INT,
TGSI_EXEC_DATA_INT);
+ break;
+
default:
assert( 0 );
}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c
b/src/gallium/auxiliary/tgsi/tgsi_info.c
index 6cd580a..c9acdb9 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_info.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
@@ -192,6 +192,7 @@ static const struct tgsi_opcode_info
opcode_info[TGSI_OPCODE_LAST] =
{ 1, 1, 0, 0, 0, 0, "UARL", TGSI_OPCODE_UARL },
{ 1, 3, 0, 0, 0, 0, "UCMP", TGSI_OPCODE_UCMP },
+ { 1, 1, 0, 0, 0, 0, "IABS", TGSI_OPCODE_IABS },
};
const struct tgsi_opcode_info *
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 45af528..7e7010f 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -1043,6 +1043,19 @@ XXX so let's discuss it, yeah?
destination register, which is assumed to be an address (ADDR) register.
+.. opcode:: IABS - Integer Absolute Value
+
+.. math::
+
+ dst.x = |src.x|
+
+ dst.y = |src.y|
+
+ dst.z = |src.z|
+
+ dst.w = |src.w|
+
+
.. opcode:: SAD - Sum Of Absolute Differences
.. math::
diff --git a/src/gallium/include/pipe/p_shader_tokens.h
b/src/gallium/include/pipe/p_shader_tokens.h
index b24b64c..75e17a1 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -376,8 +376,9 @@ struct tgsi_property_data {
#define TGSI_OPCODE_UARL157
#define TGSI_OPCODE_UCMP158
+#define TGSI_OPCODE_IABS159
-#define TGSI_OPCODE_LAST159
+#define TGSI_OPCODE_LAST160
#define TGSI_SAT_NONE0 /* do not saturate */
#define TGSI_SAT_ZERO_ONE1 /* clamp to [0,1] */
--
1.7.1
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