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authorMichal Krol <michal@tungstengraphics.com>2008-11-26 13:54:28 +0100
committerMichal Krol <michal@tungstengraphics.com>2008-11-26 13:54:28 +0100
commit823aac36d5580ea46f76ccec3fd31c91f168274e (patch)
tree17e01221fb347c67805ec32b60fab98360d2f1fa /src/gallium
parentadf14090fb6e43a25eabb13796d5a9385d8511ea (diff)
tgsi: Implement OPCODE_SSG/SGN.
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c18
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_sse2.c30
2 files changed, 46 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 1981d8b68f..9fd0497043 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -829,6 +829,17 @@ micro_rnd(
}
static void
+micro_sgn(
+ union tgsi_exec_channel *dst,
+ const union tgsi_exec_channel *src )
+{
+ dst->f[0] = src->f[0] < 0.0f ? -1.0f : src->f[0] > 0.0f ? 1.0f : 0.0f;
+ dst->f[1] = src->f[1] < 0.0f ? -1.0f : src->f[1] > 0.0f ? 1.0f : 0.0f;
+ dst->f[2] = src->f[2] < 0.0f ? -1.0f : src->f[2] > 0.0f ? 1.0f : 0.0f;
+ dst->f[3] = src->f[3] < 0.0f ? -1.0f : src->f[3] > 0.0f ? 1.0f : 0.0f;
+}
+
+static void
micro_shl(
union tgsi_exec_channel *dst,
const union tgsi_exec_channel *src0,
@@ -2480,7 +2491,12 @@ exec_instruction(
break;
case TGSI_OPCODE_SSG:
- assert (0);
+ /* TGSI_OPCODE_SGN */
+ FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
+ FETCH( &r[0], 0, chan_index );
+ micro_sgn( &r[0], &r[0] );
+ STORE( &r[0], 0, chan_index );
+ }
break;
case TGSI_OPCODE_CMP:
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index d2d431980b..cac44af7f4 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1084,6 +1084,29 @@ emit_setsign(
}
static void PIPE_CDECL
+sgn4f(
+ float *store )
+{
+ store[0] = store[0] < 0.0f ? -1.0f : store[0] > 0.0f ? 1.0f : 0.0f;
+ store[1] = store[1] < 0.0f ? -1.0f : store[1] > 0.0f ? 1.0f : 0.0f;
+ store[2] = store[2] < 0.0f ? -1.0f : store[2] > 0.0f ? 1.0f : 0.0f;
+ store[3] = store[3] < 0.0f ? -1.0f : store[3] > 0.0f ? 1.0f : 0.0f;
+}
+
+static void
+emit_sgn(
+ struct x86_function *func,
+ unsigned xmm_save,
+ unsigned xmm_dst )
+{
+ emit_func_call_dst(
+ func,
+ xmm_save,
+ xmm_dst,
+ sgn4f );
+}
+
+static void PIPE_CDECL
sin4f(
float *store )
{
@@ -2102,7 +2125,12 @@ emit_instruction(
break;
case TGSI_OPCODE_SSG:
- return 0;
+ /* TGSI_OPCODE_SGN */
+ FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
+ FETCH( func, *inst, 0, 0, chan_index );
+ emit_sgn( func, 0, 0 );
+ STORE( func, *inst, 0, 0, chan_index );
+ }
break;
case TGSI_OPCODE_CMP: