Mesa (master): tgsi: add ISSG support
Dave Airlie
airlied at kemper.freedesktop.org
Wed Jan 11 13:51:49 UTC 2012
Module: Mesa
Branch: master
Commit: b6cbc28533a3fd68dbfe694c0774735233df8758
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b6cbc28533a3fd68dbfe694c0774735233df8758
Author: Dave Airlie <airlied at redhat.com>
Date: Mon Jan 9 11:49:34 2012 +0000
tgsi: add ISSG support
This adds integer version of SSG that GLSL 1.30 can produce.
Signed-off-by: Dave Airlie <airlied at redhat.com>
Reviewed-by: Brian Paul <brianp at vmware.com>
---
src/gallium/auxiliary/tgsi/tgsi_exec.c | 14 ++++++++++++++
src/gallium/auxiliary/tgsi/tgsi_info.c | 1 +
src/gallium/include/pipe/p_shader_tokens.h | 3 ++-
3 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 3046656..72b1dca 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -375,6 +375,16 @@ micro_sgn(union tgsi_exec_channel *dst,
}
static void
+micro_isgn(union tgsi_exec_channel *dst,
+ const union tgsi_exec_channel *src)
+{
+ dst->i[0] = src->i[0] < 0 ? -1 : src->i[0] > 0 ? 1 : 0;
+ dst->i[1] = src->i[1] < 0 ? -1 : src->i[1] > 0 ? 1 : 0;
+ dst->i[2] = src->i[2] < 0 ? -1 : src->i[2] > 0 ? 1 : 0;
+ dst->i[3] = src->i[3] < 0 ? -1 : src->i[3] > 0 ? 1 : 0;
+}
+
+static void
micro_sgt(union tgsi_exec_channel *dst,
const union tgsi_exec_channel *src0,
const union tgsi_exec_channel *src1)
@@ -4207,6 +4217,10 @@ exec_instruction(
exec_vector_unary(mach, inst, micro_iabs, TGSI_EXEC_DATA_INT, TGSI_EXEC_DATA_INT);
break;
+ case TGSI_OPCODE_ISSG:
+ exec_vector_unary(mach, inst, micro_isgn, 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 c9acdb9..5b26d8f 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_info.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
@@ -193,6 +193,7 @@ 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 },
+ { 1, 1, 0, 0, 0, 0, "ISSG", TGSI_OPCODE_ISSG },
};
const struct tgsi_opcode_info *
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index cb1e698..a131630 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -379,8 +379,9 @@ struct tgsi_property_data {
#define TGSI_OPCODE_UARL 157
#define TGSI_OPCODE_UCMP 158
#define TGSI_OPCODE_IABS 159
+#define TGSI_OPCODE_ISSG 160
-#define TGSI_OPCODE_LAST 160
+#define TGSI_OPCODE_LAST 161
#define TGSI_SAT_NONE 0 /* do not saturate */
#define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
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