summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/tgsi/tgsi_util.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_util.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_util.c161
1 files changed, 14 insertions, 147 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 71f8a6ca40..f4ca9e21ed 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -69,59 +69,15 @@ tgsi_util_get_src_register_swizzle(
return 0;
}
-unsigned
-tgsi_util_get_src_register_extswizzle(
- const struct tgsi_src_register_ext_swz *reg,
- unsigned component )
-{
- switch( component ) {
- case 0:
- return reg->ExtSwizzleX;
- case 1:
- return reg->ExtSwizzleY;
- case 2:
- return reg->ExtSwizzleZ;
- case 3:
- return reg->ExtSwizzleW;
- default:
- assert( 0 );
- }
- return 0;
-}
unsigned
-tgsi_util_get_full_src_register_extswizzle(
+tgsi_util_get_full_src_register_swizzle(
const struct tgsi_full_src_register *reg,
unsigned component )
{
- unsigned swizzle;
-
- /*
- * First, calculate the extended swizzle for a given channel. This will give
- * us either a channel index into the simple swizzle or a constant 1 or 0.
- */
- swizzle = tgsi_util_get_src_register_extswizzle(
- &reg->SrcRegisterExtSwz,
+ return tgsi_util_get_src_register_swizzle(
+ &reg->Register,
component );
-
- assert (TGSI_SWIZZLE_X == TGSI_EXTSWIZZLE_X);
- assert (TGSI_SWIZZLE_Y == TGSI_EXTSWIZZLE_Y);
- assert (TGSI_SWIZZLE_Z == TGSI_EXTSWIZZLE_Z);
- assert (TGSI_SWIZZLE_W == TGSI_EXTSWIZZLE_W);
- assert (TGSI_EXTSWIZZLE_ZERO > TGSI_SWIZZLE_W);
- assert (TGSI_EXTSWIZZLE_ONE > TGSI_SWIZZLE_W);
-
- /*
- * Second, calculate the simple swizzle for the unswizzled channel index.
- * Leave the constants intact, they are not affected by the simple swizzle.
- */
- if( swizzle <= TGSI_SWIZZLE_W ) {
- swizzle = tgsi_util_get_src_register_swizzle(
- &reg->SrcRegister,
- swizzle );
- }
-
- return swizzle;
}
void
@@ -148,74 +104,6 @@ tgsi_util_set_src_register_swizzle(
}
}
-void
-tgsi_util_set_src_register_extswizzle(
- struct tgsi_src_register_ext_swz *reg,
- unsigned swizzle,
- unsigned component )
-{
- switch( component ) {
- case 0:
- reg->ExtSwizzleX = swizzle;
- break;
- case 1:
- reg->ExtSwizzleY = swizzle;
- break;
- case 2:
- reg->ExtSwizzleZ = swizzle;
- break;
- case 3:
- reg->ExtSwizzleW = swizzle;
- break;
- default:
- assert( 0 );
- }
-}
-
-unsigned
-tgsi_util_get_src_register_extnegate(
- const struct tgsi_src_register_ext_swz *reg,
- unsigned component )
-{
- switch( component ) {
- case 0:
- return reg->NegateX;
- case 1:
- return reg->NegateY;
- case 2:
- return reg->NegateZ;
- case 3:
- return reg->NegateW;
- default:
- assert( 0 );
- }
- return 0;
-}
-
-void
-tgsi_util_set_src_register_extnegate(
- struct tgsi_src_register_ext_swz *reg,
- unsigned negate,
- unsigned component )
-{
- switch( component ) {
- case 0:
- reg->NegateX = negate;
- break;
- case 1:
- reg->NegateY = negate;
- break;
- case 2:
- reg->NegateZ = negate;
- break;
- case 3:
- reg->NegateW = negate;
- break;
- default:
- assert( 0 );
- }
-}
-
unsigned
tgsi_util_get_full_src_register_sign_mode(
const struct tgsi_full_src_register *reg,
@@ -223,10 +111,10 @@ tgsi_util_get_full_src_register_sign_mode(
{
unsigned sign_mode;
- if( reg->SrcRegisterExtMod.Absolute ) {
+ if( reg->Register.Absolute ) {
/* Consider only the post-abs negation. */
- if( reg->SrcRegisterExtMod.Negate ) {
+ if( reg->Register.Negate ) {
sign_mode = TGSI_UTIL_SIGN_SET;
}
else {
@@ -234,19 +122,7 @@ tgsi_util_get_full_src_register_sign_mode(
}
}
else {
- /* Accumulate the three negations. */
-
- unsigned negate;
-
- negate = reg->SrcRegister.Negate;
- if( tgsi_util_get_src_register_extnegate( &reg->SrcRegisterExtSwz, component ) ) {
- negate = !negate;
- }
- if( reg->SrcRegisterExtMod.Negate ) {
- negate = !negate;
- }
-
- if( negate ) {
+ if( reg->Register.Negate ) {
sign_mode = TGSI_UTIL_SIGN_TOGGLE;
}
else {
@@ -262,35 +138,26 @@ tgsi_util_set_full_src_register_sign_mode(
struct tgsi_full_src_register *reg,
unsigned sign_mode )
{
- reg->SrcRegisterExtSwz.NegateX = 0;
- reg->SrcRegisterExtSwz.NegateY = 0;
- reg->SrcRegisterExtSwz.NegateZ = 0;
- reg->SrcRegisterExtSwz.NegateW = 0;
-
switch (sign_mode)
{
case TGSI_UTIL_SIGN_CLEAR:
- reg->SrcRegister.Negate = 0;
- reg->SrcRegisterExtMod.Absolute = 1;
- reg->SrcRegisterExtMod.Negate = 0;
+ reg->Register.Negate = 0;
+ reg->Register.Absolute = 1;
break;
case TGSI_UTIL_SIGN_SET:
- reg->SrcRegister.Negate = 0;
- reg->SrcRegisterExtMod.Absolute = 1;
- reg->SrcRegisterExtMod.Negate = 1;
+ reg->Register.Absolute = 1;
+ reg->Register.Negate = 1;
break;
case TGSI_UTIL_SIGN_TOGGLE:
- reg->SrcRegister.Negate = 1;
- reg->SrcRegisterExtMod.Absolute = 0;
- reg->SrcRegisterExtMod.Negate = 0;
+ reg->Register.Negate = 1;
+ reg->Register.Absolute = 0;
break;
case TGSI_UTIL_SIGN_KEEP:
- reg->SrcRegister.Negate = 0;
- reg->SrcRegisterExtMod.Absolute = 0;
- reg->SrcRegisterExtMod.Negate = 0;
+ reg->Register.Negate = 0;
+ reg->Register.Absolute = 0;
break;
default: