summaryrefslogtreecommitdiff
path: root/src/mesa/tnl/t_vb_arbprogram.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/tnl/t_vb_arbprogram.c')
-rw-r--r--src/mesa/tnl/t_vb_arbprogram.c192
1 files changed, 81 insertions, 111 deletions
diff --git a/src/mesa/tnl/t_vb_arbprogram.c b/src/mesa/tnl/t_vb_arbprogram.c
index 88d8fe9546..d034929fe0 100644
--- a/src/mesa/tnl/t_vb_arbprogram.c
+++ b/src/mesa/tnl/t_vb_arbprogram.c
@@ -115,8 +115,6 @@ static GLfloat rough_approx_log2_0_1(GLfloat x)
}
-
-
/**
* Perform a reduced swizzle:
*/
@@ -131,12 +129,42 @@ static void do_RSW( struct arb_vp_machine *m, union instruction op )
/* Need a temporary to be correct in the case where result == arg0.
*/
COPY_4V(tmp, arg0);
-
- result[0] = tmp[GET_RSW(swz, 0)];
- result[1] = tmp[GET_RSW(swz, 1)];
- result[2] = tmp[GET_RSW(swz, 2)];
- result[3] = tmp[GET_RSW(swz, 3)];
-
+
+ result[0] = tmp[GET_SWZ(swz, 0)];
+ result[1] = tmp[GET_SWZ(swz, 1)];
+ result[2] = tmp[GET_SWZ(swz, 2)];
+ result[3] = tmp[GET_SWZ(swz, 3)];
+
+ if (neg) {
+ if (neg & 0x1) result[0] = -result[0];
+ if (neg & 0x2) result[1] = -result[1];
+ if (neg & 0x4) result[2] = -result[2];
+ if (neg & 0x8) result[3] = -result[3];
+ }
+}
+
+/**
+ * Perform a full swizzle
+ */
+static void do_SWZ( struct arb_vp_machine *m, union instruction op )
+{
+ GLfloat *result = m->File[0][op.rsw.dst];
+ const GLfloat *arg0 = m->File[op.rsw.file0][op.rsw.idx0];
+ GLuint swz = op.rsw.swz;
+ GLuint neg = op.rsw.neg;
+ GLfloat tmp[6];
+ tmp[4] = 0.0;
+ tmp[5] = 1.0;
+
+ /* Need a temporary to be correct in the case where result == arg0.
+ */
+ COPY_4V(tmp, arg0);
+
+ result[0] = tmp[GET_SWZ(swz, 0)];
+ result[1] = tmp[GET_SWZ(swz, 1)];
+ result[2] = tmp[GET_SWZ(swz, 2)];
+ result[3] = tmp[GET_SWZ(swz, 3)];
+
if (neg) {
if (neg & 0x1) result[0] = -result[0];
if (neg & 0x2) result[1] = -result[1];
@@ -570,11 +598,31 @@ static void print_RSW( union instruction op )
_mesa_printf(", ");
print_reg(op.rsw.file0, op.rsw.idx0);
_mesa_printf(".");
- for (i = 0; i < 4; i++, swz >>= 2) {
- const char *cswz = "xyzw";
+ for (i = 0; i < 4; i++, swz >>= 3) {
+ const char *cswz = "xyzw01";
if (neg & (1<<i))
_mesa_printf("-");
- _mesa_printf("%c", cswz[swz&0x3]);
+ _mesa_printf("%c", cswz[swz&0x7]);
+ }
+ _mesa_printf("\n");
+}
+
+static void print_SWZ( union instruction op )
+{
+ GLuint swz = op.rsw.swz;
+ GLuint neg = op.rsw.neg;
+ GLuint i;
+
+ _mesa_printf("SWZ ");
+ print_reg(0, op.rsw.dst);
+ _mesa_printf(", ");
+ print_reg(op.rsw.file0, op.rsw.idx0);
+ _mesa_printf(".");
+ for (i = 0; i < 4; i++, swz >>= 3) {
+ const char *cswz = "xyzw01";
+ if (neg & (1<<i))
+ _mesa_printf("-");
+ _mesa_printf("%c", cswz[swz&0x7]);
}
_mesa_printf("\n");
}
@@ -651,9 +699,11 @@ _tnl_disassem_vba_insn( union instruction op )
case OPCODE_RCC:
case OPCODE_RET:
case OPCODE_SSG:
- case OPCODE_SWZ:
print_NOP(op);
break;
+ case OPCODE_SWZ:
+ print_SWZ(op);
+ break;
case RSW:
print_RSW(op);
break;
@@ -728,7 +778,7 @@ static void (* const opcode_func[MAX_OPCODE+3])(struct arb_vp_machine *, union i
do_NOP,/*SSG*/
do_NOP,/*STR*/
do_SUB,
- do_RSW,/*SWZ*/
+ do_SWZ,/*SWZ*/
do_NOP,/*TEX*/
do_NOP,/*TXB*/
do_NOP,/*TXD*/
@@ -833,7 +883,7 @@ static struct reg cvp_emit_arg( struct compilation *cp,
{
struct reg reg = cvp_load_reg( cp, src->File, src->Index, src->RelAddr, arg );
union instruction rsw, noop;
-
+
/* Emit any necessary swizzling.
*/
_mesa_bzero(&rsw, sizeof(rsw));
@@ -841,19 +891,17 @@ static struct reg cvp_emit_arg( struct compilation *cp,
/* we're expecting 2-bit swizzles below... */
#if 1 /* XXX THESE ASSERTIONS CURRENTLY FAIL DURING GLEAN TESTS! */
+/* hopefully no longer happens? */
ASSERT(GET_SWZ(src->Swizzle, 0) < 4);
ASSERT(GET_SWZ(src->Swizzle, 1) < 4);
ASSERT(GET_SWZ(src->Swizzle, 2) < 4);
ASSERT(GET_SWZ(src->Swizzle, 3) < 4);
#endif
- rsw.rsw.swz = ((GET_SWZ(src->Swizzle, 0) << 0) |
- (GET_SWZ(src->Swizzle, 1) << 2) |
- (GET_SWZ(src->Swizzle, 2) << 4) |
- (GET_SWZ(src->Swizzle, 3) << 6));
+ rsw.rsw.swz = src->Swizzle;
_mesa_bzero(&noop, sizeof(noop));
noop.rsw.neg = 0;
- noop.rsw.swz = RSW_NOOP;
+ noop.rsw.swz = SWIZZLE_NOOP;
if (_mesa_memcmp(&rsw, &noop, sizeof(rsw)) !=0) {
union instruction *op = cvp_next_instruction(cp);
@@ -907,46 +955,6 @@ static GLuint cvp_choose_result( struct compilation *cp,
}
}
-static struct reg cvp_emit_rsw( struct compilation *cp,
- GLuint dst,
- struct reg src,
- GLuint neg,
- GLuint swz,
- GLboolean force)
-{
- struct reg retval;
-
- if (swz != RSW_NOOP || neg != 0) {
- union instruction *op = cvp_next_instruction(cp);
- op->rsw.opcode = RSW;
- op->rsw.dst = dst;
- op->rsw.file0 = src.file;
- op->rsw.idx0 = src.idx;
- op->rsw.neg = neg;
- op->rsw.swz = swz;
-
- retval.file = FILE_REG;
- retval.idx = dst;
- return retval;
- }
- else if (force) {
- /* Oops. Degenerate case:
- */
- union instruction *op = cvp_next_instruction(cp);
- op->alu.opcode = OPCODE_MOV;
- op->alu.dst = dst;
- op->alu.file0 = src.file;
- op->alu.idx0 = src.idx;
-
- retval.file = FILE_REG;
- retval.idx = dst;
- return retval;
- }
- else {
- return src;
- }
-}
-
static void cvp_emit_inst( struct compilation *cp,
const struct prog_instruction *inst )
@@ -998,64 +1006,26 @@ static void cvp_emit_inst( struct compilation *cp,
op->alu.idx0 = reg[0].idx;
break;
- case OPCODE_SWZ: {
- GLuint swz0 = 0, swz1 = 0;
- GLuint neg0 = 0, neg1 = 0;
- GLuint mask = 0;
-
- /* Translate 3-bit-per-element swizzle into two 2-bit swizzles,
- * one from the source register the other from a constant
- * {0,0,0,1}.
- */
- for (i = 0; i < 4; i++) {
- GLuint swzelt = GET_SWZ(inst->SrcReg[0].Swizzle, i);
- if (swzelt >= SWIZZLE_ZERO) {
- neg0 |= inst->SrcReg[0].NegateBase & (1<<i);
- if (swzelt == SWIZZLE_ONE)
- swz0 |= SWIZZLE_W << (i*2);
- else if (i < SWIZZLE_W)
- swz0 |= i << (i*2);
- }
- else {
- mask |= 1<<i;
- neg1 |= inst->SrcReg[0].NegateBase & (1<<i);
- swz1 |= swzelt << (i*2);
- }
- }
+ case OPCODE_END:
+ break;
+ case OPCODE_SWZ:
result = cvp_choose_result( cp, &inst->DstReg, &fixup );
- reg[0].file = FILE_REG;
- reg[0].idx = REG_ID;
- reg[1] = cvp_emit_arg( cp, &inst->SrcReg[0], REG_ARG0 );
-
- if (mask == WRITEMASK_XYZW) {
- cvp_emit_rsw(cp, result, reg[0], neg0, swz0, GL_TRUE);
-
- }
- else if (mask == 0) {
- cvp_emit_rsw(cp, result, reg[1], neg1, swz1, GL_TRUE);
- }
- else {
- cvp_emit_rsw(cp, result, reg[0], neg0, swz0, GL_TRUE);
- reg[1] = cvp_emit_rsw(cp, REG_ARG0, reg[1], neg1, swz1, GL_FALSE);
-
- op = cvp_next_instruction(cp);
- op->msk.opcode = MSK;
- op->msk.dst = result;
- op->msk.file = reg[1].file;
- op->msk.idx = reg[1].idx;
- op->msk.mask = mask;
- }
+ reg[0] = cvp_load_reg( cp, inst->SrcReg[0].File,
+ inst->SrcReg[0].Index, inst->SrcReg[0].RelAddr, REG_ARG0 );
+ op = cvp_next_instruction(cp);
+ op->rsw.opcode = inst->Opcode;
+ op->rsw.file0 = reg[0].file;
+ op->rsw.idx0 = reg[0].idx;
+ op->rsw.dst = result;
+ op->rsw.swz = inst->SrcReg[0].Swizzle;
+ op->rsw.neg = inst->SrcReg[0].NegateBase;
if (result == REG_RES) {
op = cvp_next_instruction(cp);
*op = fixup;
}
break;
- }
-
- case OPCODE_END:
- break;
default:
result = cvp_choose_result( cp, &inst->DstReg, &fixup );
@@ -1074,7 +1044,7 @@ static void cvp_emit_inst( struct compilation *cp,
if (result == REG_RES) {
op = cvp_next_instruction(cp);
*op = fixup;
- }
+ }
break;
}
}
@@ -1485,7 +1455,7 @@ static GLboolean init_vertex_program( GLcontext *ctx,
*/
ASSIGN_4V(m->File[0][REG_ID], 0, 0, 0, 1);
ASSIGN_4V(m->File[0][REG_ONES], 1, 1, 1, 1);
- ASSIGN_4V(m->File[0][REG_SWZ], -1, 1, 0, 0);
+ ASSIGN_4V(m->File[0][REG_SWZ], 1, -1, 0, 0);
ASSIGN_4V(m->File[0][REG_NEG], -1, -1, -1, -1);
ASSIGN_4V(m->File[0][REG_LIT], 1, 0, 0, 1);
ASSIGN_4V(m->File[0][REG_LIT2], 1, .5, .2, 1); /* debug value */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 14:28:09 +0000