summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nv50/nv50_program.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c1087
1 files changed, 816 insertions, 271 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index eb90d5e66f..f0fe7e6168 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -31,9 +31,12 @@
#include "nv50_context.h"
-#define NV50_SU_MAX_TEMP 64
+#define NV50_SU_MAX_TEMP 127
+#define NV50_SU_MAX_ADDR 4
//#define NV50_PROGRAM_DUMP
+/* $a5 and $a6 always seem to be 0, and using $a7 gives you noise */
+
/* ARL - gallium craps itself on progs/vp/arl.txt
*
* MSB - Like MAD, but MUL+SUB
@@ -79,22 +82,32 @@ struct nv50_reg {
P_ATTR,
P_RESULT,
P_CONST,
- P_IMMD
+ P_IMMD,
+ P_ADDR
} type;
int index;
int hw;
- int neg;
+ int mod;
int rhw; /* result hw for FP outputs, or interpolant index */
int acc; /* instruction where this reg is last read (first insn == 1) */
};
+#define NV50_MOD_NEG 1
+#define NV50_MOD_ABS 2
+#define NV50_MOD_SAT 4
+
+/* arbitrary limits */
+#define MAX_IF_DEPTH 4
+#define MAX_LOOP_DEPTH 4
+
struct nv50_pc {
struct nv50_program *p;
/* hw resources */
struct nv50_reg *r_temp[NV50_SU_MAX_TEMP];
+ struct nv50_reg r_addr[NV50_SU_MAX_ADDR];
/* tgsi resources */
struct nv50_reg *temp;
@@ -108,6 +121,8 @@ struct nv50_pc {
struct nv50_reg *immd;
float *immd_buf;
int immd_nr;
+ struct nv50_reg **addr;
+ int addr_nr;
struct nv50_reg *temp_temp[16];
unsigned temp_temp_nr;
@@ -121,6 +136,13 @@ struct nv50_pc {
struct nv50_reg *iv_p;
struct nv50_reg *iv_c;
+ struct nv50_program_exec *if_cond;
+ struct nv50_program_exec *if_insn[MAX_IF_DEPTH];
+ struct nv50_program_exec *br_join[MAX_IF_DEPTH];
+ struct nv50_program_exec *br_loop[MAX_LOOP_DEPTH]; /* for BRK branch */
+ int if_lvl, loop_lvl;
+ unsigned loop_pos[MAX_LOOP_DEPTH];
+
/* current instruction and total number of insns */
unsigned insn_cur;
unsigned insn_nr;
@@ -134,7 +156,7 @@ ctor_reg(struct nv50_reg *reg, unsigned type, int index, int hw)
reg->type = type;
reg->index = index;
reg->hw = hw;
- reg->neg = 0;
+ reg->mod = 0;
reg->rhw = -1;
reg->acc = 0;
}
@@ -148,6 +170,17 @@ popcnt4(uint32_t val)
}
static void
+terminate_mbb(struct nv50_pc *pc)
+{
+ int i;
+
+ /* remove records of temporary address register values */
+ for (i = 0; i < NV50_SU_MAX_ADDR; ++i)
+ if (pc->r_addr[i].index < 0)
+ pc->r_addr[i].rhw = -1;
+}
+
+static void
alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg)
{
int i = 0;
@@ -196,6 +229,10 @@ alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg)
assert(0);
}
+/* XXX: For shaders that aren't executed linearly (e.g. shaders that
+ * contain loops), we need to assign all hw regs to TGSI TEMPs early,
+ * lest we risk temp_temps overwriting regs alloc'd "later".
+ */
static struct nv50_reg *
alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst)
{
@@ -419,14 +456,20 @@ set_dst(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_program_exec *e)
}
alloc_reg(pc, dst);
+ if (dst->hw > 63)
+ set_long(pc, e);
e->inst[0] |= (dst->hw << 2);
}
static INLINE void
set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e)
{
+ unsigned val;
float f = pc->immd_buf[imm->hw];
- unsigned val = fui(imm->neg ? -f : f);
+
+ if (imm->mod & NV50_MOD_ABS)
+ f = fabsf(f);
+ val = fui((imm->mod & NV50_MOD_NEG) ? -f : f);
set_long(pc, e);
/*XXX: can't be predicated - bits overlap.. catch cases where both
@@ -439,9 +482,96 @@ set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e)
e->inst[1] |= (val >> 6) << 2;
}
+static INLINE void
+set_addr(struct nv50_program_exec *e, struct nv50_reg *a)
+{
+ assert(!(e->inst[0] & 0x0c000000));
+ assert(!(e->inst[1] & 0x00000004));
+
+ e->inst[0] |= (a->hw & 3) << 26;
+ e->inst[1] |= (a->hw >> 2) << 2;
+}
+
+static void
+emit_add_addr_imm(struct nv50_pc *pc, struct nv50_reg *dst,
+ struct nv50_reg *src0, uint16_t src1_val)
+{
+ struct nv50_program_exec *e = exec(pc);
+
+ e->inst[0] = 0xd0000000 | (src1_val << 9);
+ e->inst[1] = 0x20000000;
+ set_long(pc, e);
+ e->inst[0] |= dst->hw << 2;
+ if (src0) /* otherwise will add to $a0, which is always 0 */
+ set_addr(e, src0);
+
+ emit(pc, e);
+}
+
+static struct nv50_reg *
+alloc_addr(struct nv50_pc *pc, struct nv50_reg *ref)
+{
+ int i;
+ struct nv50_reg *a_tgsi = NULL, *a = NULL;
+
+ if (!ref) {
+ /* allocate for TGSI address reg */
+ for (i = 0; i < NV50_SU_MAX_ADDR; ++i) {
+ if (pc->r_addr[i].index >= 0)
+ continue;
+ if (pc->r_addr[i].rhw >= 0 &&
+ pc->r_addr[i].acc == pc->insn_cur)
+ continue;
+
+ pc->r_addr[i].rhw = -1;
+ pc->r_addr[i].index = i;
+ return &pc->r_addr[i];
+ }
+ assert(0);
+ return NULL;
+ }
+
+ /* Allocate and set an address reg so we can access 'ref'.
+ *
+ * If and r_addr has index < 0, it is not reserved for TGSI,
+ * and index will be the negative of the TGSI addr index the
+ * value in rhw is relative to, or -256 if rhw is an offset
+ * from 0. If rhw < 0, the reg has not been initialized.
+ */
+ for (i = NV50_SU_MAX_ADDR - 1; i >= 0; --i) {
+ if (pc->r_addr[i].index >= 0) /* occupied for TGSI */
+ continue;
+ if (pc->r_addr[i].rhw < 0) { /* unused */
+ a = &pc->r_addr[i];
+ continue;
+ }
+ if (!a && pc->r_addr[i].acc != pc->insn_cur)
+ a = &pc->r_addr[i];
+
+ if (ref->hw - pc->r_addr[i].rhw >= 128)
+ continue;
+
+ if ((ref->acc >= 0 && pc->r_addr[i].index == -256) ||
+ (ref->acc < 0 && -pc->r_addr[i].index == ref->index)) {
+ pc->r_addr[i].acc = pc->insn_cur;
+ return &pc->r_addr[i];
+ }
+ }
+ assert(a);
+
+ if (ref->acc < 0)
+ a_tgsi = pc->addr[ref->index];
+
+ emit_add_addr_imm(pc, a, a_tgsi, (ref->hw & ~0x7f) * 4);
+
+ a->rhw = ref->hw & ~0x7f;
+ a->acc = pc->insn_cur;
+ a->index = a_tgsi ? -ref->index : -256;
+ return a;
+}
#define INTERP_LINEAR 0
-#define INTERP_FLAT 1
+#define INTERP_FLAT 1
#define INTERP_PERSPECTIVE 2
#define INTERP_CENTROID 4
@@ -479,10 +609,18 @@ set_data(struct nv50_pc *pc, struct nv50_reg *src, unsigned m, unsigned s,
{
set_long(pc, e);
- e->param.index = src->hw;
+ e->param.index = src->hw & 127;
e->param.shift = s;
e->param.mask = m << (s % 32);
+ if (src->hw > 127)
+ set_addr(e, alloc_addr(pc, src));
+ else
+ if (src->acc < 0) {
+ assert(src->type == P_CONST);
+ set_addr(e, pc->addr[src->index]);
+ }
+
e->inst[1] |= (((src->type == P_IMMD) ? 0 : 1) << 22);
}
@@ -491,11 +629,13 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
struct nv50_program_exec *e = exec(pc);
- e->inst[0] |= 0x10000000;
+ e->inst[0] = 0x10000000;
+ if (!pc->allow32)
+ set_long(pc, e);
set_dst(pc, dst, e);
- if (pc->allow32 && dst->type != P_RESULT && src->type == P_IMMD) {
+ if (!is_long(e) && src->type == P_IMMD) {
set_immd(pc, src, e);
/*XXX: 32-bit, but steals part of "half" reg space - need to
* catch and handle this case if/when we do half-regs
@@ -512,6 +652,8 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
}
alloc_reg(pc, src);
+ if (src->hw > 63)
+ set_long(pc, e);
e->inst[0] |= (src->hw << 9);
}
@@ -559,6 +701,24 @@ check_swap_src_0_1(struct nv50_pc *pc,
}
static void
+set_src_0_restricted(struct nv50_pc *pc, struct nv50_reg *src,
+ struct nv50_program_exec *e)
+{
+ struct nv50_reg *temp;
+
+ if (src->type != P_TEMP) {
+ temp = temp_temp(pc);
+ emit_mov(pc, temp, src);
+ src = temp;
+ }
+
+ alloc_reg(pc, src);
+ if (src->hw > 63)
+ set_long(pc, e);
+ e->inst[0] |= (src->hw << 9);
+}
+
+static void
set_src_0(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
{
if (src->type == P_ATTR) {
@@ -573,6 +733,8 @@ set_src_0(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
}
alloc_reg(pc, src);
+ if (src->hw > 63)
+ set_long(pc, e);
e->inst[0] |= (src->hw << 9);
}
@@ -599,7 +761,9 @@ set_src_1(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
}
alloc_reg(pc, src);
- e->inst[0] |= (src->hw << 16);
+ if (src->hw > 63)
+ set_long(pc, e);
+ e->inst[0] |= ((src->hw & 127) << 16);
}
static void
@@ -627,7 +791,7 @@ set_src_2(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
}
alloc_reg(pc, src);
- e->inst[1] |= (src->hw << 14);
+ e->inst[1] |= ((src->hw & 127) << 14);
}
static void
@@ -645,12 +809,12 @@ emit_mul(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
set_dst(pc, dst, e);
set_src_0(pc, src0, e);
if (src1->type == P_IMMD && !is_long(e)) {
- if (src0->neg)
+ if (src0->mod & NV50_MOD_NEG)
e->inst[0] |= 0x00008000;
set_immd(pc, src1, e);
} else {
set_src_1(pc, src1, e);
- if (src0->neg ^ src1->neg) {
+ if ((src0->mod ^ src1->mod) & NV50_MOD_NEG) {
if (is_long(e))
e->inst[1] |= 0x08000000;
else
@@ -667,13 +831,15 @@ emit_add(struct nv50_pc *pc, struct nv50_reg *dst,
{
struct nv50_program_exec *e = exec(pc);
- e->inst[0] |= 0xb0000000;
+ e->inst[0] = 0xb0000000;
+ alloc_reg(pc, src1);
check_swap_src_0_1(pc, &src0, &src1);
- if (!pc->allow32 || src0->neg || src1->neg) {
+ if (!pc->allow32 || (src0->mod | src1->mod) || src1->hw > 63) {
set_long(pc, e);
- e->inst[1] |= (src0->neg << 26) | (src1->neg << 27);
+ e->inst[1] |= ((src0->mod & NV50_MOD_NEG) << 26) |
+ ((src1->mod & NV50_MOD_NEG) << 27);
}
set_dst(pc, dst, e);
@@ -690,6 +856,22 @@ emit_add(struct nv50_pc *pc, struct nv50_reg *dst,
}
static void
+emit_arl(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src,
+ uint8_t s)
+{
+ struct nv50_program_exec *e = exec(pc);
+
+ set_long(pc, e);
+ e->inst[1] |= 0xc0000000;
+
+ e->inst[0] |= dst->hw << 2;
+ e->inst[0] |= s << 16; /* shift left */
+ set_src_0_restricted(pc, src, e);
+
+ emit(pc, e);
+}
+
+static void
emit_minmax(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst,
struct nv50_reg *src0, struct nv50_reg *src1)
{
@@ -704,6 +886,11 @@ emit_minmax(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst,
set_src_0(pc, src0, e);
set_src_1(pc, src1, e);
+ if (src0->mod & NV50_MOD_ABS)
+ e->inst[1] |= 0x00100000;
+ if (src1->mod & NV50_MOD_ABS)
+ e->inst[1] |= 0x00080000;
+
emit(pc, e);
}
@@ -711,9 +898,47 @@ static INLINE void
emit_sub(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
struct nv50_reg *src1)
{
- src1->neg ^= 1;
+ assert(src0 != src1);
+ src1->mod ^= NV50_MOD_NEG;
emit_add(pc, dst, src0, src1);
- src1->neg ^= 1;
+ src1->mod ^= NV50_MOD_NEG;
+}
+
+static void
+emit_bitop2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
+ struct nv50_reg *src1, unsigned op)
+{
+ struct nv50_program_exec *e = exec(pc);
+
+ e->inst[0] = 0xd0000000;
+ set_long(pc, e);
+
+ check_swap_src_0_1(pc, &src0, &src1);
+ set_dst(pc, dst, e);
+ set_src_0(pc, src0, e);
+
+ if (op != TGSI_OPCODE_AND && op != TGSI_OPCODE_OR &&
+ op != TGSI_OPCODE_XOR)
+ assert(!"invalid bit op");
+
+ if (src1->type == P_IMMD && src0->type == P_TEMP && pc->allow32) {
+ set_immd(pc, src1, e);
+ if (op == TGSI_OPCODE_OR)
+ e->inst[0] |= 0x0100;
+ else
+ if (op == TGSI_OPCODE_XOR)
+ e->inst[0] |= 0x8000;
+ } else {
+ set_src_1(pc, src1, e);
+ e->inst[1] |= 0x04000000; /* 32 bit */
+ if (op == TGSI_OPCODE_OR)
+ e->inst[1] |= 0x4000;
+ else
+ if (op == TGSI_OPCODE_XOR)
+ e->inst[1] |= 0x8000;
+ }
+
+ emit(pc, e);
}
static void
@@ -730,9 +955,9 @@ emit_mad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
set_src_1(pc, src1, e);
set_src_2(pc, src2, e);
- if (src0->neg ^ src1->neg)
+ if ((src0->mod ^ src1->mod) & NV50_MOD_NEG)
e->inst[1] |= 0x04000000;
- if (src2->neg)
+ if (src2->mod & NV50_MOD_NEG)
e->inst[1] |= 0x08000000;
emit(pc, e);
@@ -742,9 +967,10 @@ static INLINE void
emit_msb(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
struct nv50_reg *src1, struct nv50_reg *src2)
{
- src2->neg ^= 1;
+ assert(src2 != src0 && src2 != src1);
+ src2->mod ^= NV50_MOD_NEG;
emit_mad(pc, dst, src0, src1, src2);
- src2->neg ^= 1;
+ src2->mod ^= NV50_MOD_NEG;
}
static void
@@ -760,7 +986,11 @@ emit_flop(struct nv50_pc *pc, unsigned sub,
}
set_dst(pc, dst, e);
- set_src_0(pc, src, e);
+
+ if (sub == 0 || sub == 2)
+ set_src_0_restricted(pc, src, e);
+ else
+ set_src_0(pc, src, e);
emit(pc, e);
}
@@ -802,15 +1032,15 @@ emit_precossin(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
#define CVTOP_SAT 0x08
#define CVTOP_ABS 0x10
-/* 0x04 == 32 bit */
+/* 0x04 == 32 bit dst */
/* 0x40 == dst is float */
/* 0x80 == src is float */
#define CVT_F32_F32 0xc4
#define CVT_F32_S32 0x44
-#define CVT_F32_U32 0x64
#define CVT_S32_F32 0x8c
#define CVT_S32_S32 0x0c
-#define CVT_F32_F32_ROP 0xcc
+#define CVT_NEG 0x20
+#define CVT_RI 0x08
static void
emit_cvt(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src,
@@ -822,7 +1052,7 @@ emit_cvt(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src,
set_long(pc, e);
e->inst[0] |= 0xa0000000;
- e->inst[1] |= 0x00004000;
+ e->inst[1] |= 0x00004000; /* 32 bit src */
e->inst[1] |= (cvn << 16);
e->inst[1] |= (fmt << 24);
set_src_0(pc, src, e);
@@ -890,6 +1120,7 @@ emit_set(struct nv50_pc *pc, unsigned ccode, struct nv50_reg *dst, int wp,
set_src_1(pc, src1, e);
emit(pc, e);
+ pc->if_cond = pc->p->exec_tail; /* record for OPCODE_IF */
/* cvt.f32.u32/s32 (?) if we didn't only write the predicate */
if (rdst)
@@ -917,7 +1148,7 @@ map_tgsi_setop_cc(unsigned op)
static INLINE void
emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
- emit_cvt(pc, dst, src, -1, CVTOP_FLOOR, CVT_F32_F32_ROP);
+ emit_cvt(pc, dst, src, -1, CVTOP_FLOOR, CVT_F32_F32 | CVT_RI);
}
static void
@@ -1000,20 +1231,10 @@ emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
FREE(one);
}
-static void
+static INLINE void
emit_neg(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
- struct nv50_program_exec *e = exec(pc);
-
- set_long(pc, e);
- e->inst[0] |= 0xa0000000; /* delta */
- e->inst[1] |= (7 << 29); /* delta */
- e->inst[1] |= 0x04000000; /* negate arg0? probably not */
- e->inst[1] |= (1 << 14); /* src .f32 */
- set_dst(pc, dst, e);
- set_src_0(pc, src, e);
-
- emit(pc, e);
+ emit_cvt(pc, dst, src, -1, CVTOP_RN, CVT_F32_F32 | CVT_NEG);
}
static void
@@ -1021,30 +1242,52 @@ emit_kil(struct nv50_pc *pc, struct nv50_reg *src)
{
struct nv50_program_exec *e;
const int r_pred = 1;
+ unsigned cvn = CVT_F32_F32;
- /* Sets predicate reg ? */
- e = exec(pc);
- e->inst[0] = 0xa00001fd;
- e->inst[1] = 0xc4014788;
- set_src_0(pc, src, e);
- set_pred_wr(pc, 1, r_pred, e);
- if (src->neg)
- e->inst[1] |= 0x20000000;
- emit(pc, e);
+ if (src->mod & NV50_MOD_NEG)
+ cvn |= CVT_NEG;
+ /* write predicate reg */
+ emit_cvt(pc, NULL, src, r_pred, CVTOP_RN, cvn);
- /* This is probably KILP */
+ /* conditional discard */
e = exec(pc);
- e->inst[0] = 0x000001fe;
+ e->inst[0] = 0x00000002;
set_long(pc, e);
- set_pred(pc, 1 /* LT? */, r_pred, e);
+ set_pred(pc, 0x1 /* LT */, r_pred, e);
emit(pc, e);
}
static void
+load_cube_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4],
+ struct nv50_reg **src, boolean proj)
+{
+ int mod[3] = { src[0]->mod, src[1]->mod, src[2]->mod };
+
+ src[0]->mod |= NV50_MOD_ABS;
+ src[1]->mod |= NV50_MOD_ABS;
+ src[2]->mod |= NV50_MOD_ABS;
+
+ emit_minmax(pc, 4, t[2], src[0], src[1]);
+ emit_minmax(pc, 4, t[2], src[2], t[2]);
+
+ src[0]->mod = mod[0];
+ src[1]->mod = mod[1];
+ src[2]->mod = mod[2];
+
+ if (proj && 0 /* looks more correct without this */)
+ emit_mul(pc, t[2], t[2], src[3]);
+ emit_flop(pc, 0, t[2], t[2]);
+
+ emit_mul(pc, t[0], src[0], t[2]);
+ emit_mul(pc, t[1], src[1], t[2]);
+ emit_mul(pc, t[2], src[2], t[2]);
+}
+
+static void
emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
struct nv50_reg **src, unsigned unit, unsigned type, boolean proj)
{
- struct nv50_reg *temp, *t[4];
+ struct nv50_reg *t[4];
struct nv50_program_exec *e;
unsigned c, mode, dim;
@@ -1073,6 +1316,9 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
/* some cards need t[0]'s hw index to be a multiple of 4 */
alloc_temp4(pc, t, 0);
+ if (type == TGSI_TEXTURE_CUBE) {
+ load_cube_tex_coords(pc, t, src, proj);
+ } else
if (proj) {
if (src[0]->type == P_TEMP && src[0]->rhw != -1) {
mode = pc->interp_mode[src[0]->index];
@@ -1097,17 +1343,8 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
*/
}
} else {
- if (type == TGSI_TEXTURE_CUBE) {
- temp = temp_temp(pc);
- emit_minmax(pc, 4, temp, src[0], src[1]);
- emit_minmax(pc, 4, temp, temp, src[2]);
- emit_flop(pc, 0, temp, temp);
- for (c = 0; c < 3; c++)
- emit_mul(pc, t[c], src[c], temp);
- } else {
- for (c = 0; c < dim; c++)
- emit_mov(pc, t[c], src[c]);
- }
+ for (c = 0; c < dim; c++)
+ emit_mov(pc, t[c], src[c]);
}
e = exec(pc);
@@ -1120,19 +1357,22 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
if (dim == 2)
e->inst[0] |= 0x00400000;
else
- if (dim == 3)
+ if (dim == 3) {
e->inst[0] |= 0x00800000;
+ if (type == TGSI_TEXTURE_CUBE)
+ e->inst[0] |= 0x08000000;
+ }
e->inst[0] |= (mask & 0x3) << 25;
e->inst[1] |= (mask & 0xc) << 12;
emit(pc, e);
-
#if 1
- if (mask & 1) emit_mov(pc, dst[0], t[0]);
- if (mask & 2) emit_mov(pc, dst[1], t[1]);
- if (mask & 4) emit_mov(pc, dst[2], t[2]);
- if (mask & 8) emit_mov(pc, dst[3], t[3]);
+ c = 0;
+ if (mask & 1) emit_mov(pc, dst[0], t[c++]);
+ if (mask & 2) emit_mov(pc, dst[1], t[c++]);
+ if (mask & 4) emit_mov(pc, dst[2], t[c++]);
+ if (mask & 8) emit_mov(pc, dst[3], t[c]);
free_temp4(pc, t);
#else
@@ -1149,6 +1389,81 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
}
static void
+emit_branch(struct nv50_pc *pc, int pred, unsigned cc,
+ struct nv50_program_exec **join)
+{
+ struct nv50_program_exec *e = exec(pc);
+
+ if (join) {
+ set_long(pc, e);
+ e->inst[0] |= 0xa0000002;
+ emit(pc, e);
+ *join = e;
+ e = exec(pc);
+ }
+
+ set_long(pc, e);
+ e->inst[0] |= 0x10000002;
+ if (pred >= 0)
+ set_pred(pc, cc, pred, e);
+ emit(pc, e);
+}
+
+static void
+emit_nop(struct nv50_pc *pc)
+{
+ struct nv50_program_exec *e = exec(pc);
+
+ e->inst[0] = 0xf0000000;
+ set_long(pc, e);
+ e->inst[1] = 0xe0000000;
+ emit(pc, e);
+}
+
+static void
+emit_ddx(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
+{
+ struct nv50_program_exec *e = exec(pc);
+
+ assert(src->type == P_TEMP);
+
+ e->inst[0] = 0xc0140000;
+ e->inst[1] = 0x89800000;
+ set_long(pc, e);
+ set_dst(pc, dst, e);
+ set_src_0(pc, src, e);
+ set_src_2(pc, src, e);
+
+ emit(pc, e);
+}
+
+static void
+emit_ddy(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
+{
+ struct nv50_reg *r = src;
+ struct nv50_program_exec *e = exec(pc);
+
+ assert(src->type == P_TEMP);
+
+ if (!(src->mod & NV50_MOD_NEG)) { /* ! double negation */
+ r = alloc_temp(pc, NULL);
+ emit_neg(pc, r, src);
+ }
+
+ e->inst[0] = 0xc0150000;
+ e->inst[1] = 0x8a400000;
+ set_long(pc, e);
+ set_dst(pc, dst, e);
+ set_src_0(pc, r, e);
+ set_src_2(pc, r, e);
+
+ if (r != src)
+ free_temp(pc, r);
+
+ emit(pc, e);
+}
+
+static void
convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e)
{
unsigned q = 0, m = ~0;
@@ -1196,10 +1511,14 @@ convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e)
e->inst[1] |= q;
}
+/* Some operations support an optional negation flag. */
static boolean
negate_supported(const struct tgsi_full_instruction *insn, int i)
{
+ int s;
+
switch (insn->Instruction.Opcode) {
+ case TGSI_OPCODE_DDY:
case TGSI_OPCODE_DP3:
case TGSI_OPCODE_DP4:
case TGSI_OPCODE_MUL:
@@ -1207,19 +1526,36 @@ negate_supported(const struct tgsi_full_instruction *insn, int i)
case TGSI_OPCODE_ADD:
case TGSI_OPCODE_SUB:
case TGSI_OPCODE_MAD:
- return TRUE;
+ break;
case TGSI_OPCODE_POW:
- return (i == 1) ? TRUE : FALSE;
+ if (i == 1)
+ break;
+ return FALSE;
default:
return FALSE;
}
+
+ /* Watch out for possible multiple uses of an nv50_reg, we
+ * can't use nv50_reg::neg in these cases.
+ */
+ for (s = 0; s < insn->Instruction.NumSrcRegs; ++s) {
+ if (s == i)
+ continue;
+ if ((insn->Src[s].Register.Index ==
+ insn->Src[i].Register.Index) &&
+ (insn->Src[s].Register.File ==
+ insn->Src[i].Register.File))
+ return FALSE;
+ }
+
+ return TRUE;
}
/* Return a read mask for source registers deduced from opcode & write mask. */
static unsigned
nv50_tgsi_src_mask(const struct tgsi_full_instruction *insn, int c)
{
- unsigned x, mask = insn->FullDstRegisters[0].DstRegister.WriteMask;
+ unsigned x, mask = insn->Dst[0].Register.WriteMask;
switch (insn->Instruction.Opcode) {
case TGSI_OPCODE_COS:
@@ -1245,10 +1581,10 @@ nv50_tgsi_src_mask(const struct tgsi_full_instruction *insn, int c)
case TGSI_OPCODE_TEX:
case TGSI_OPCODE_TXP:
{
- const struct tgsi_instruction_ext_texture *tex;
+ const struct tgsi_instruction_texture *tex;
- assert(insn->Instruction.Extended);
- tex = &insn->InstructionExtTexture;
+ assert(insn->Instruction.Texture);
+ tex = &insn->Texture;
mask = 0x7;
if (insn->Instruction.Opcode == TGSI_OPCODE_TXP)
@@ -1282,11 +1618,21 @@ nv50_tgsi_src_mask(const struct tgsi_full_instruction *insn, int c)
static struct nv50_reg *
tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst)
{
- switch (dst->DstRegister.File) {
+ switch (dst->Register.File) {
case TGSI_FILE_TEMPORARY:
- return &pc->temp[dst->DstRegister.Index * 4 + c];
+ return &pc->temp[dst->Register.Index * 4 + c];
case TGSI_FILE_OUTPUT:
- return &pc->result[dst->DstRegister.Index * 4 + c];
+ return &pc->result[dst->Register.Index * 4 + c];
+ case TGSI_FILE_ADDRESS:
+ {
+ struct nv50_reg *r = pc->addr[dst->Register.Index * 4 + c];
+ if (!r) {
+ r = alloc_addr(pc, NULL);
+ pc->addr[dst->Register.Index * 4 + c] = r;
+ }
+ assert(r);
+ return r;
+ }
case TGSI_FILE_NULL:
return NULL;
default:
@@ -1302,43 +1648,56 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src,
{
struct nv50_reg *r = NULL;
struct nv50_reg *temp;
- unsigned sgn, c;
+ unsigned sgn, c, swz;
+
+ if (src->Register.File != TGSI_FILE_CONSTANT)
+ assert(!src->Register.Indirect);
sgn = tgsi_util_get_full_src_register_sign_mode(src, chan);
- c = tgsi_util_get_full_src_register_extswizzle(src, chan);
+ c = tgsi_util_get_full_src_register_swizzle(src, chan);
switch (c) {
- case TGSI_EXTSWIZZLE_X:
- case TGSI_EXTSWIZZLE_Y:
- case TGSI_EXTSWIZZLE_Z:
- case TGSI_EXTSWIZZLE_W:
- switch (src->SrcRegister.File) {
+ case TGSI_SWIZZLE_X:
+ case TGSI_SWIZZLE_Y:
+ case TGSI_SWIZZLE_Z:
+ case TGSI_SWIZZLE_W:
+ switch (src->Register.File) {
case TGSI_FILE_INPUT:
- r = &pc->attr[src->SrcRegister.Index * 4 + c];
+ r = &pc->attr[src->Register.Index * 4 + c];
break;
case TGSI_FILE_TEMPORARY:
- r = &pc->temp[src->SrcRegister.Index * 4 + c];
+ r = &pc->temp[src->Register.Index * 4 + c];
break;
case TGSI_FILE_CONSTANT:
- r = &pc->param[src->SrcRegister.Index * 4 + c];
+ if (!src->Register.Indirect) {
+ r = &pc->param[src->Register.Index * 4 + c];
+ break;
+ }
+ /* Indicate indirection by setting r->acc < 0 and
+ * use the index field to select the address reg.
+ */
+ r = MALLOC_STRUCT(nv50_reg);
+ swz = tgsi_util_get_src_register_swizzle(
+ &src->Indirect, 0);
+ ctor_reg(r, P_CONST,
+ src->Indirect.Index * 4 + swz,
+ src->Register.Index * 4 + c);
+ r->acc = -1;
break;
case TGSI_FILE_IMMEDIATE:
- r = &pc->immd[src->SrcRegister.Index * 4 + c];
+ r = &pc->immd[src->Register.Index * 4 + c];
break;
case TGSI_FILE_SAMPLER:
break;
+ case TGSI_FILE_ADDRESS:
+ r = pc->addr[src->Register.Index * 4 + c];
+ assert(r);
+ break;
default:
assert(0);
break;
}
break;
- case TGSI_EXTSWIZZLE_ZERO:
- r = alloc_immd(pc, 0.0);
- return r;
- case TGSI_EXTSWIZZLE_ONE:
- if (sgn == TGSI_UTIL_SIGN_TOGGLE || sgn == TGSI_UTIL_SIGN_SET)
- return alloc_immd(pc, -1.0);
- return alloc_immd(pc, 1.0);
default:
assert(0);
break;
@@ -1354,7 +1713,7 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src,
break;
case TGSI_UTIL_SIGN_TOGGLE:
if (neg)
- r->neg = 1;
+ r->mod = NV50_MOD_NEG;
else {
temp = temp_temp(pc);
emit_neg(pc, temp, r);
@@ -1363,11 +1722,7 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src,
break;
case TGSI_UTIL_SIGN_SET:
temp = temp_temp(pc);
- emit_abs(pc, temp, r);
- if (neg)
- temp->neg = 1;
- else
- emit_neg(pc, temp, temp);
+ emit_cvt(pc, temp, r, -1, CVTOP_ABS, CVT_F32_F32 | CVT_NEG);
r = temp;
break;
default:
@@ -1444,6 +1799,55 @@ nv50_tgsi_dst_revdep(unsigned op, int s, int c)
}
}
+static INLINE boolean
+has_pred(struct nv50_program_exec *e, unsigned cc)
+{
+ if (!is_long(e) || is_immd(e))
+ return FALSE;
+ return ((e->inst[1] & 0x780) == (cc << 7));
+}
+
+/* on ENDIF see if we can do "@p0.neu single_op" instead of:
+ * join_at ENDIF
+ * @p0.eq bra ENDIF
+ * single_op
+ * ENDIF: nop.join
+ */
+static boolean
+nv50_kill_branch(struct nv50_pc *pc)
+{
+ int lvl = pc->if_lvl;
+
+ if (pc->if_insn[lvl]->next != pc->p->exec_tail)
+ return FALSE;
+
+ /* if ccode == 'true', the BRA is from an ELSE and the predicate
+ * reg may no longer be valid, since we currently always use $p0
+ */
+ if (has_pred(pc->if_insn[lvl], 0xf))
+ return FALSE;
+ assert(pc->if_insn[lvl] && pc->br_join[lvl]);
+
+ /* We'll use the exec allocated for JOIN_AT (as we can't easily
+ * update prev's next); if exec_tail is BRK, update the pointer.
+ */
+ if (pc->loop_lvl && pc->br_loop[pc->loop_lvl - 1] == pc->p->exec_tail)
+ pc->br_loop[pc->loop_lvl - 1] = pc->br_join[lvl];
+
+ pc->p->exec_size -= 4; /* remove JOIN_AT and BRA */
+
+ *pc->br_join[lvl] = *pc->p->exec_tail;
+
+ FREE(pc->if_insn[lvl]);
+ FREE(pc->p->exec_tail);
+
+ pc->p->exec_tail = pc->br_join[lvl];
+ pc->p->exec_tail->next = NULL;
+ set_pred(pc, 0xd, 0, pc->p->exec_tail);
+
+ return TRUE;
+}
+
static boolean
nv50_program_tx_insn(struct nv50_pc *pc,
const struct tgsi_full_instruction *inst)
@@ -1452,29 +1856,29 @@ nv50_program_tx_insn(struct nv50_pc *pc,
unsigned mask, sat, unit;
int i, c;
- mask = inst->FullDstRegisters[0].DstRegister.WriteMask;
+ mask = inst->Dst[0].Register.WriteMask;
sat = inst->Instruction.Saturate == TGSI_SAT_ZERO_ONE;
memset(src, 0, sizeof(src));
for (c = 0; c < 4; c++) {
if ((mask & (1 << c)) && !pc->r_dst[c])
- dst[c] = tgsi_dst(pc, c, &inst->FullDstRegisters[0]);
+ dst[c] = tgsi_dst(pc, c, &inst->Dst[0]);
else
dst[c] = pc->r_dst[c];
rdst[c] = dst[c];
}
for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
- const struct tgsi_full_src_register *fs = &inst->FullSrcRegisters[i];
+ const struct tgsi_full_src_register *fs = &inst->Src[i];
unsigned src_mask;
boolean neg_supp;
src_mask = nv50_tgsi_src_mask(inst, i);
neg_supp = negate_supported(inst, i);
- if (fs->SrcRegister.File == TGSI_FILE_SAMPLER)
- unit = fs->SrcRegister.Index;
+ if (fs->Register.File == TGSI_FILE_SAMPLER)
+ unit = fs->Register.Index;
for (c = 0; c < 4; c++)
if (src_mask & (1 << c))
@@ -1491,7 +1895,7 @@ nv50_program_tx_insn(struct nv50_pc *pc,
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)) || dst[c]->type == P_TEMP)
continue;
- rdst[c] = dst[c];
+ /* rdst[c] = dst[c]; */ /* done above */
dst[c] = temp_temp(pc);
}
}
@@ -1513,12 +1917,49 @@ nv50_program_tx_insn(struct nv50_pc *pc,
emit_add(pc, dst[c], src[0][c], src[1][c]);
}
break;
+ case TGSI_OPCODE_AND:
+ case TGSI_OPCODE_XOR:
+ case TGSI_OPCODE_OR:
+ for (c = 0; c < 4; c++) {
+ if (!(mask & (1 << c)))
+ continue;
+ emit_bitop2(pc, dst[c], src[0][c], src[1][c],
+ inst->Instruction.Opcode);
+ }
+ break;
+ case TGSI_OPCODE_ARL:
+ assert(src[0][0]);
+ temp = temp_temp(pc);
+ emit_cvt(pc, temp, src[0][0], -1, CVTOP_FLOOR, CVT_S32_F32);
+ emit_arl(pc, dst[0], temp, 4);
+ break;
+ case TGSI_OPCODE_BGNLOOP:
+ pc->loop_pos[pc->loop_lvl++] = pc->p->exec_size;
+ terminate_mbb(pc);
+ break;
+ case TGSI_OPCODE_BRK:
+ emit_branch(pc, -1, 0, NULL);
+ assert(pc->loop_lvl > 0);
+ pc->br_loop[pc->loop_lvl - 1] = pc->p->exec_tail;
+ break;
case TGSI_OPCODE_CEIL:
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
emit_cvt(pc, dst[c], src[0][c], -1,
- CVTOP_CEIL, CVT_F32_F32);
+ CVTOP_CEIL, CVT_F32_F32 | CVT_RI);
+ }
+ break;
+ case TGSI_OPCODE_CMP:
+ pc->allow32 = FALSE;
+ for (c = 0; c < 4; c++) {
+ if (!(mask & (1 << c)))
+ continue;
+ emit_cvt(pc, NULL, src[0][c], 1, CVTOP_RN, CVT_F32_F32);
+ emit_mov(pc, dst[c], src[1][c]);
+ set_pred(pc, 0x1, 1, pc->p->exec_tail); /* @SF */
+ emit_mov(pc, dst[c], src[2][c]);
+ set_pred(pc, 0x6, 1, pc->p->exec_tail); /* @NSF */
}
break;
case TGSI_OPCODE_COS:
@@ -1533,6 +1974,20 @@ nv50_program_tx_insn(struct nv50_pc *pc,
emit_precossin(pc, temp, src[0][0]);
emit_flop(pc, 5, brdc, temp);
break;
+ case TGSI_OPCODE_DDX:
+ for (c = 0; c < 4; c++) {
+ if (!(mask & (1 << c)))
+ continue;
+ emit_ddx(pc, dst[c], src[0][c]);
+ }
+ break;
+ case TGSI_OPCODE_DDY:
+ for (c = 0; c < 4; c++) {
+ if (!(mask & (1 << c)))
+ continue;
+ emit_ddy(pc, dst[c], src[0][c]);
+ }
+ break;
case TGSI_OPCODE_DP3:
emit_mul(pc, temp, src[0][0], src[1][0]);
emit_mad(pc, temp, src[0][1], src[1][1], temp);
@@ -1560,6 +2015,36 @@ nv50_program_tx_insn(struct nv50_pc *pc,
if (mask & (1 << 0))
emit_mov_immdval(pc, dst[0], 1.0f);
break;
+ case TGSI_OPCODE_ELSE:
+ emit_branch(pc, -1, 0, NULL);
+ pc->if_insn[--pc->if_lvl]->param.index = pc->p->exec_size;
+ pc->if_insn[pc->if_lvl++] = pc->p->exec_tail;
+ terminate_mbb(pc);
+ break;
+ case TGSI_OPCODE_ENDIF:
+ pc->if_insn[--pc->if_lvl]->param.index = pc->p->exec_size;
+
+ /* try to replace branch over 1 insn with a predicated insn */
+ if (nv50_kill_branch(pc) == TRUE)
+ break;
+
+ if (pc->br_join[pc->if_lvl]) {
+ pc->br_join[pc->if_lvl]->param.index = pc->p->exec_size;
+ pc->br_join[pc->if_lvl] = NULL;
+ }
+ terminate_mbb(pc);
+ /* emit a NOP as join point, we could set it on the next
+ * one, but would have to make sure it is long and !immd
+ */
+ emit_nop(pc);
+ pc->p->exec_tail->inst[1] |= 2;
+ break;
+ case TGSI_OPCODE_ENDLOOP:
+ emit_branch(pc, -1, 0, NULL);
+ pc->p->exec_tail->param.index = pc->loop_pos[--pc->loop_lvl];
+ pc->br_loop[pc->loop_lvl]->param.index = pc->p->exec_size;
+ terminate_mbb(pc);
+ break;
case TGSI_OPCODE_EX2:
emit_preex2(pc, temp, src[0][0]);
emit_flop(pc, 6, brdc, temp);
@@ -1580,6 +2065,16 @@ nv50_program_tx_insn(struct nv50_pc *pc,
emit_sub(pc, dst[c], src[0][c], temp);
}
break;
+ case TGSI_OPCODE_IF:
+ /* emitting a join_at may not be necessary */
+ assert(pc->if_lvl < MAX_IF_DEPTH);
+ /* set_pred_wr(pc, 1, 0, pc->if_cond); */
+ emit_cvt(pc, NULL, src[0][0], 0, CVTOP_ABS | CVTOP_RN,
+ CVT_F32_F32);
+ emit_branch(pc, 0, 2, &pc->br_join[pc->if_lvl]);
+ pc->if_insn[pc->if_lvl++] = pc->p->exec_tail;
+ terminate_mbb(pc);
+ break;
case TGSI_OPCODE_KIL:
emit_kil(pc, src[0][0]);
emit_kil(pc, src[0][1]);
@@ -1623,7 +2118,6 @@ nv50_program_tx_insn(struct nv50_pc *pc,
}
break;
case TGSI_OPCODE_MOV:
- case TGSI_OPCODE_SWZ:
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
@@ -1693,18 +2187,18 @@ nv50_program_tx_insn(struct nv50_pc *pc,
break;
case TGSI_OPCODE_TEX:
emit_tex(pc, dst, mask, src[0], unit,
- inst->InstructionExtTexture.Texture, FALSE);
+ inst->Texture.Texture, FALSE);
break;
case TGSI_OPCODE_TXP:
emit_tex(pc, dst, mask, src[0], unit,
- inst->InstructionExtTexture.Texture, TRUE);
+ inst->Texture.Texture, TRUE);
break;
case TGSI_OPCODE_TRUNC:
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
emit_cvt(pc, dst[c], src[0][c], -1,
- CVTOP_TRUNC, CVT_F32_F32);
+ CVTOP_TRUNC, CVT_F32_F32 | CVT_RI);
}
break;
case TGSI_OPCODE_XPD:
@@ -1742,8 +2236,10 @@ nv50_program_tx_insn(struct nv50_pc *pc,
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
- /* in this case we saturate later */
- if (dst[c]->type == P_TEMP && dst[c]->index < 0)
+ /* In this case we saturate later, and dst[c] won't
+ * be another temp_temp (and thus lost), since rdst
+ * already is TEMP (see above). */
+ if (rdst[c]->type == P_TEMP && rdst[c]->index < 0)
continue;
emit_sat(pc, rdst[c], dst[c]);
}
@@ -1753,8 +2249,12 @@ nv50_program_tx_insn(struct nv50_pc *pc,
for (c = 0; c < 4; c++) {
if (!src[i][c])
continue;
+ src[i][c]->mod = 0;
if (src[i][c]->index == -1 && src[i][c]->type == P_IMMD)
FREE(src[i][c]);
+ else
+ if (src[i][c]->acc < 0 && src[i][c]->type == P_CONST)
+ FREE(src[i][c]); /* indirect constant */
}
}
@@ -1770,7 +2270,7 @@ prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn)
const struct tgsi_dst_register *dst;
unsigned i, c, k, mask;
- dst = &insn->FullDstRegisters[0].DstRegister;
+ dst = &insn->Dst[0].Register;
mask = dst->WriteMask;
if (dst->File == TGSI_FILE_TEMPORARY)
@@ -1788,12 +2288,12 @@ prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn)
}
for (i = 0; i < insn->Instruction.NumSrcRegs; i++) {
- src = &insn->FullSrcRegisters[i];
+ src = &insn->Src[i];
- if (src->SrcRegister.File == TGSI_FILE_TEMPORARY)
+ if (src->Register.File == TGSI_FILE_TEMPORARY)
reg = pc->temp;
else
- if (src->SrcRegister.File == TGSI_FILE_INPUT)
+ if (src->Register.File == TGSI_FILE_INPUT)
reg = pc->attr;
else
continue;
@@ -1803,12 +2303,9 @@ prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn)
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
- k = tgsi_util_get_full_src_register_extswizzle(src, c);
+ k = tgsi_util_get_full_src_register_swizzle(src, c);
- if (k > TGSI_EXTSWIZZLE_W)
- continue;
-
- reg[src->SrcRegister.Index * 4 + k].acc = pc->insn_nr;
+ reg[src->Register.Index * 4 + k].acc = pc->insn_nr;
}
}
}
@@ -1868,13 +2365,13 @@ static struct nv50_reg *
tgsi_broadcast_dst(struct nv50_pc *pc,
const struct tgsi_full_dst_register *fd, unsigned mask)
{
- if (fd->DstRegister.File == TGSI_FILE_TEMPORARY) {
- int c = ffs(~mask & fd->DstRegister.WriteMask);
+ if (fd->Register.File == TGSI_FILE_TEMPORARY) {
+ int c = ffs(~mask & fd->Register.WriteMask);
if (c)
return tgsi_dst(pc, c - 1, fd);
} else {
- int c = ffs(fd->DstRegister.WriteMask) - 1;
- if ((1 << c) == fd->DstRegister.WriteMask)
+ int c = ffs(fd->Register.WriteMask) - 1;
+ if ((1 << c) == fd->Register.WriteMask)
return tgsi_dst(pc, c, fd);
}
@@ -1888,7 +2385,7 @@ static unsigned
nv50_tgsi_scan_swizzle(const struct tgsi_full_instruction *insn,
unsigned rdep[4])
{
- const struct tgsi_full_dst_register *fd = &insn->FullDstRegisters[0];
+ const struct tgsi_full_dst_register *fd = &insn->Dst[0];
const struct tgsi_full_src_register *fs;
unsigned i, deqs = 0;
@@ -1899,9 +2396,9 @@ nv50_tgsi_scan_swizzle(const struct tgsi_full_instruction *insn,
unsigned chn, mask = nv50_tgsi_src_mask(insn, i);
boolean neg_supp = negate_supported(insn, i);
- fs = &insn->FullSrcRegisters[i];
- if (fs->SrcRegister.File != fd->DstRegister.File ||
- fs->SrcRegister.Index != fd->DstRegister.Index)
+ fs = &insn->Src[i];
+ if (fs->Register.File != fd->Register.File ||
+ fs->Register.Index != fd->Register.Index)
continue;
for (chn = 0; chn < 4; ++chn) {
@@ -1909,11 +2406,10 @@ nv50_tgsi_scan_swizzle(const struct tgsi_full_instruction *insn,
if (!(mask & (1 << chn))) /* src is not read */
continue;
- c = tgsi_util_get_full_src_register_extswizzle(fs, chn);
+ c = tgsi_util_get_full_src_register_swizzle(fs, chn);
s = tgsi_util_get_full_src_register_sign_mode(fs, chn);
- if (c > TGSI_EXTSWIZZLE_W ||
- !(fd->DstRegister.WriteMask & (1 << c)))
+ if (!(fd->Register.WriteMask & (1 << c)))
continue;
/* no danger if src is copied to TEMP first */
@@ -1937,7 +2433,7 @@ nv50_tgsi_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
const struct tgsi_full_dst_register *fd;
unsigned i, deqs, rdep[4], m[4];
- fd = &tok->FullInstruction.FullDstRegisters[0];
+ fd = &tok->FullInstruction.Dst[0];
deqs = nv50_tgsi_scan_swizzle(&insn, rdep);
if (is_scalar_op(insn.Instruction.Opcode)) {
@@ -1956,10 +2452,10 @@ nv50_tgsi_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
for (i = 0; i < 4; ++i) {
assert(pc->r_dst[m[i]] == NULL);
- insn.FullDstRegisters[0].DstRegister.WriteMask =
- fd->DstRegister.WriteMask & (1 << m[i]);
+ insn.Dst[0].Register.WriteMask =
+ fd->Register.WriteMask & (1 << m[i]);
- if (!insn.FullDstRegisters[0].DstRegister.WriteMask)
+ if (!insn.Dst[0].Register.WriteMask)
continue;
if (deqs & (1 << i))
@@ -2009,6 +2505,23 @@ load_interpolant(struct nv50_pc *pc, struct nv50_reg *reg)
emit_interp(pc, reg, iv, mode);
}
+/* The face input is always at v[255] (varying space), with a
+ * value of 0 for back-facing, and 0xffffffff for front-facing.
+ */
+static void
+load_frontfacing(struct nv50_pc *pc, struct nv50_reg *a)
+{
+ struct nv50_reg *one = alloc_immd(pc, 1.0f);
+
+ assert(a->rhw == -1);
+ alloc_reg(pc, a); /* do this before rhw is set */
+ a->rhw = 255;
+ load_interpolant(pc, a);
+ emit_bitop2(pc, a, a, one, TGSI_OPCODE_AND);
+
+ FREE(one);
+}
+
static boolean
nv50_program_tx_prep(struct nv50_pc *pc)
{
@@ -2040,8 +2553,8 @@ nv50_program_tx_prep(struct nv50_pc *pc)
unsigned si, last, first, mode;
d = &tp.FullToken.FullDeclaration;
- first = d->DeclarationRange.First;
- last = d->DeclarationRange.Last;
+ first = d->Range.First;
+ last = d->Range.Last;
switch (d->Declaration.File) {
case TGSI_FILE_TEMPORARY:
@@ -2051,8 +2564,8 @@ nv50_program_tx_prep(struct nv50_pc *pc)
p->type == PIPE_SHADER_FRAGMENT)
break;
- si = d->Semantic.SemanticIndex;
- switch (d->Semantic.SemanticName) {
+ si = d->Semantic.Index;
+ switch (d->Semantic.Name) {
case TGSI_SEMANTIC_BCOLOR:
p->cfg.two_side[si].hw = first;
if (p->cfg.io_nr > first)
@@ -2098,8 +2611,8 @@ nv50_program_tx_prep(struct nv50_pc *pc)
pc->interp_mode[i] = mode;
}
break;
+ case TGSI_FILE_ADDRESS:
case TGSI_FILE_CONSTANT:
- break;
case TGSI_FILE_SAMPLER:
break;
default:
@@ -2130,7 +2643,7 @@ nv50_program_tx_prep(struct nv50_pc *pc)
for (i = 0, rid = 0; i < pc->result_nr; ++i) {
p->cfg.io[i].hw = rid;
- p->cfg.io[i].id_vp = i;
+ p->cfg.io[i].id = i;
for (c = 0; c < 4; ++c) {
int n = i * 4 + c;
@@ -2153,6 +2666,8 @@ nv50_program_tx_prep(struct nv50_pc *pc)
int rid, aid;
unsigned n = 0, m = pc->attr_nr - flat_nr;
+ pc->allow32 = TRUE;
+
int base = (TGSI_SEMANTIC_POSITION ==
p->info.input_semantic_name[0]) ? 0 : 1;
@@ -2160,14 +2675,12 @@ nv50_program_tx_prep(struct nv50_pc *pc)
* the lower hardware IDs, so sort them:
*/
for (i = 0; i < pc->attr_nr; i++) {
- if (pc->interp_mode[i] == INTERP_FLAT) {
- p->cfg.io[m].id_vp = i + base;
- p->cfg.io[m++].id_fp = i;
- } else {
+ if (pc->interp_mode[i] == INTERP_FLAT)
+ p->cfg.io[m++].id = i;
+ else {
if (!(pc->interp_mode[i] & INTERP_PERSPECTIVE))
p->cfg.io[n].linear = TRUE;
- p->cfg.io[n].id_vp = i + base;
- p->cfg.io[n++].id_fp = i;
+ p->cfg.io[n++].id = i;
}
}
@@ -2179,7 +2692,13 @@ nv50_program_tx_prep(struct nv50_pc *pc)
for (n = 0; n < pc->attr_nr; ++n) {
p->cfg.io[n].hw = rid = aid;
- i = p->cfg.io[n].id_fp;
+ i = p->cfg.io[n].id;
+
+ if (p->info.input_semantic_name[n] ==
+ TGSI_SEMANTIC_FACE) {
+ load_frontfacing(pc, &pc->attr[i * 4]);
+ continue;
+ }
for (c = 0; c < 4; ++c) {
if (!pc->attr[i * 4 + c].acc)
@@ -2213,8 +2732,8 @@ nv50_program_tx_prep(struct nv50_pc *pc)
for (i = 0; i < pc->attr_nr; i++) {
ubyte si, sn;
- sn = p->info.input_semantic_name[p->cfg.io[i].id_fp];
- si = p->info.input_semantic_index[p->cfg.io[i].id_fp];
+ sn = p->info.input_semantic_name[p->cfg.io[i].id];
+ si = p->info.input_semantic_index[p->cfg.io[i].id];
if (sn == TGSI_SEMANTIC_COLOR) {
p->cfg.two_side[si] = p->cfg.io[i];
@@ -2237,6 +2756,12 @@ nv50_program_tx_prep(struct nv50_pc *pc)
pc->result[i].rhw = rid++;
if (p->info.writes_z)
pc->result[2].rhw = rid;
+
+ p->cfg.high_result = rid;
+
+ /* separate/different colour results for MRTs ? */
+ if (pc->result_nr - (p->info.writes_z ? 1 : 0) > 1)
+ p->cfg.regs[2] |= 1;
}
if (pc->immd_nr) {
@@ -2291,6 +2816,8 @@ ctor_nv50_pc(struct nv50_pc *pc, struct nv50_program *p)
pc->attr_nr = p->info.file_max[TGSI_FILE_INPUT] + 1;
pc->result_nr = p->info.file_max[TGSI_FILE_OUTPUT] + 1;
pc->param_nr = p->info.file_max[TGSI_FILE_CONSTANT] + 1;
+ pc->addr_nr = p->info.file_max[TGSI_FILE_ADDRESS] + 1;
+ assert(pc->addr_nr <= 2);
p->cfg.high_temp = 4;
@@ -2359,15 +2886,81 @@ ctor_nv50_pc(struct nv50_pc *pc, struct nv50_program *p)
ctor_reg(&pc->param[rid], P_CONST, i, rid);
}
+ if (pc->addr_nr) {
+ pc->addr = CALLOC(pc->addr_nr * 4, sizeof(struct nv50_reg *));
+ if (!pc->addr)
+ return FALSE;
+ }
+ for (i = 0; i < NV50_SU_MAX_ADDR; ++i)
+ ctor_reg(&pc->r_addr[i], P_ADDR, -256, i + 1);
+
return TRUE;
}
+static void
+nv50_fp_move_results(struct nv50_pc *pc)
+{
+ struct nv50_reg reg;
+ unsigned i;
+
+ ctor_reg(&reg, P_TEMP, -1, -1);
+
+ for (i = 0; i < pc->result_nr * 4; ++i) {
+ if (pc->result[i].rhw < 0 || pc->result[i].hw < 0)
+ continue;
+ if (pc->result[i].rhw != pc->result[i].hw) {
+ reg.hw = pc->result[i].rhw;
+ emit_mov(pc, &reg, &pc->result[i]);
+ }
+ }
+}
+
+static void
+nv50_program_fixup_insns(struct nv50_pc *pc)
+{
+ struct nv50_program_exec *e, **bra_list;
+ unsigned i, n, pos;
+
+ bra_list = CALLOC(pc->p->exec_size, sizeof(struct nv50_program_exec *));
+
+ /* Collect branch instructions, we need to adjust their offsets
+ * when converting 32 bit instructions to 64 bit ones
+ */
+ for (n = 0, e = pc->p->exec_head; e; e = e->next)
+ if (e->param.index >= 0 && !e->param.mask)
+ bra_list[n++] = e;
+
+ /* last instruction must be long so it can have the exit bit set */
+ if (!is_long(pc->p->exec_tail))
+ convert_to_long(pc, pc->p->exec_tail);
+ /* set exit bit */
+ pc->p->exec_tail->inst[1] |= 1;
+
+ /* !immd on exit insn simultaneously means !join */
+ assert(!is_immd(pc->p->exec_head));
+ assert(!is_immd(pc->p->exec_tail));
+
+ /* Make sure we don't have any single 32 bit instructions. */
+ for (e = pc->p->exec_head, pos = 0; e; e = e->next) {
+ pos += is_long(e) ? 2 : 1;
+
+ if ((pos & 1) && (!e->next || is_long(e->next))) {
+ for (i = 0; i < n; ++i)
+ if (bra_list[i]->param.index >= pos)
+ bra_list[i]->param.index += 1;
+ convert_to_long(pc, e);
+ ++pos;
+ }
+ }
+
+ FREE(bra_list);
+}
+
static boolean
nv50_program_tx(struct nv50_program *p)
{
struct tgsi_parse_context parse;
struct nv50_pc *pc;
- unsigned k;
boolean ret;
pc = CALLOC_STRUCT(nv50_pc);
@@ -2405,48 +2998,10 @@ nv50_program_tx(struct nv50_program *p)
}
}
- if (p->type == PIPE_SHADER_FRAGMENT) {
- struct nv50_reg out;
- ctor_reg(&out, P_TEMP, -1, -1);
-
- for (k = 0; k < pc->result_nr * 4; k++) {
- if (pc->result[k].rhw == -1)
- continue;
- if (pc->result[k].hw != pc->result[k].rhw) {
- out.hw = pc->result[k].rhw;
- emit_mov(pc, &out, &pc->result[k]);
- }
- if (pc->p->cfg.high_result < (pc->result[k].rhw + 1))
- pc->p->cfg.high_result = pc->result[k].rhw + 1;
- }
- }
-
- /* look for single half instructions and make them long */
- struct nv50_program_exec *e, *e_prev;
-
- for (k = 0, e = pc->p->exec_head, e_prev = NULL; e; e = e->next) {
- if (!is_long(e))
- k++;
-
- if (!e->next || is_long(e->next)) {
- if (k & 1)
- convert_to_long(pc, e);
- k = 0;
- }
-
- if (e->next)
- e_prev = e;
- }
-
- if (!is_long(pc->p->exec_tail)) {
- /* this may occur if moving FP results */
- assert(e_prev && !is_long(e_prev));
- convert_to_long(pc, e_prev);
- convert_to_long(pc, pc->p->exec_tail);
- }
+ if (pc->p->type == PIPE_SHADER_FRAGMENT)
+ nv50_fp_move_results(pc);
- assert(is_long(pc->p->exec_tail) && !is_immd(pc->p->exec_head));
- pc->p->exec_tail->inst[1] |= 0x00000001;
+ nv50_program_fixup_insns(pc);
p->param_nr = pc->param_nr * 4;
p->immd_nr = pc->immd_nr * 4;
@@ -2513,7 +3068,7 @@ nv50_program_validate_data(struct nv50_context *nv50, struct nv50_program *p)
p->immd_nr, NV50_CB_PMISC);
}
- assert(p->param_nr <= 128);
+ assert(p->param_nr <= 512);
if (p->param_nr) {
unsigned cb;
@@ -2534,11 +3089,8 @@ static void
nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
- struct nouveau_grobj *tesla = nv50->screen->tesla;
struct nv50_program_exec *e;
- struct nouveau_stateobj *so;
- const unsigned flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_WR;
- unsigned start, count, *up, *ptr;
+ uint32_t *up, i;
boolean upload = FALSE;
if (!p->bo) {
@@ -2553,21 +3105,37 @@ nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p)
if (!upload)
return;
- for (e = p->exec_head; e; e = e->next) {
+ up = MALLOC(p->exec_size * 4);
+
+ for (i = 0, e = p->exec_head; e; e = e->next) {
unsigned ei, ci, bs;
- if (e->param.index < 0)
- continue;
- bs = (e->inst[1] >> 22) & 0x07;
- assert(bs < 2);
- ei = e->param.shift >> 5;
- ci = e->param.index;
- if (bs == 0)
- ci += p->data[bs]->start;
+ if (e->param.index >= 0 && e->param.mask) {
+ bs = (e->inst[1] >> 22) & 0x07;
+ assert(bs < 2);
+ ei = e->param.shift >> 5;
+ ci = e->param.index;
+ if (bs == 0)
+ ci += p->data[bs]->start;
- e->inst[ei] &= ~e->param.mask;
- e->inst[ei] |= (ci << e->param.shift);
+ e->inst[ei] &= ~e->param.mask;
+ e->inst[ei] |= (ci << e->param.shift);
+ } else
+ if (e->param.index >= 0) {
+ /* zero mask means param is a jump/branch offset */
+ assert(!(e->param.index & 1));
+ /* seem to be 8 byte steps */
+ ei = (e->param.index >> 1) + 0 /* START_ID */;
+
+ e->inst[0] &= 0xf0000fff;
+ e->inst[0] |= ei << 12;
+ }
+
+ up[i++] = e->inst[0];
+ if (is_long(e))
+ up[i++] = e->inst[1];
}
+ assert(i == p->exec_size);
if (p->data[0])
p->data_start[0] = p->data[0]->start;
@@ -2580,45 +3148,12 @@ nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p)
NOUVEAU_ERR("0x%08x\n", e->inst[1]);
}
#endif
-
- up = ptr = MALLOC(p->exec_size * 4);
- for (e = p->exec_head; e; e = e->next) {
- *(ptr++) = e->inst[0];
- if (is_long(e))
- *(ptr++) = e->inst[1];
- }
-
- so = so_new(4,2);
- so_method(so, nv50->screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
- so_reloc (so, p->bo, 0, flags | NOUVEAU_BO_HIGH, 0, 0);
- so_reloc (so, p->bo, 0, flags | NOUVEAU_BO_LOW, 0, 0);
- so_data (so, (NV50_CB_PUPLOAD << 16) | 0x0800); //(p->exec_size * 4));
-
- start = 0; count = p->exec_size;
- while (count) {
- struct nouveau_channel *chan = nv50->screen->base.channel;
- unsigned nr;
-
- so_emit(chan, so);
-
- nr = MIN2(count, 2047);
- nr = MIN2(chan->pushbuf->remaining, nr);
- if (chan->pushbuf->remaining < (nr + 3)) {
- FIRE_RING(chan);
- continue;
- }
-
- BEGIN_RING(chan, tesla, NV50TCL_CB_ADDR, 1);
- OUT_RING (chan, (start << 8) | NV50_CB_PUPLOAD);
- BEGIN_RING(chan, tesla, NV50TCL_CB_DATA(0) | 0x40000000, nr);
- OUT_RINGp (chan, up + start, nr);
-
- start += nr;
- count -= nr;
- }
+ nv50_upload_sifc(nv50, p->bo, 0, NOUVEAU_BO_VRAM,
+ NV50_2D_DST_FORMAT_R8_UNORM, 65536, 1, 262144,
+ up, NV50_2D_SIFC_FORMAT_R8_UNORM, 0,
+ 0, 0, p->exec_size * 4, 1, 1);
FREE(up);
- so_ref(NULL, &so);
}
void
@@ -2700,15 +3235,15 @@ nv50_pntc_replace(struct nv50_context *nv50, uint32_t pntc[8], unsigned base)
struct nv50_program *vp = nv50->vertprog;
unsigned i, c, m = base;
- /* XXX: This can't work correctly in all cases yet, we either
- * have to create TGSI_SEMANTIC_PNTC or sprite_coord_mode has
- * to be per FP input instead of per VP output
+ /* XXX: this might not work correctly in all cases yet - we'll
+ * just assume that an FP generic input that is not written in
+ * the VP is PointCoord.
*/
memset(pntc, 0, 8 * sizeof(uint32_t));
for (i = 0; i < fp->cfg.io_nr; i++) {
uint8_t sn, si;
- uint8_t j = fp->cfg.io[i].id_vp, k = fp->cfg.io[i].id_fp;
+ uint8_t j, k = fp->cfg.io[i].id;
unsigned n = popcnt4(fp->cfg.io[i].mask);
if (fp->info.input_semantic_name[k] != TGSI_SEMANTIC_GENERIC) {
@@ -2716,10 +3251,16 @@ nv50_pntc_replace(struct nv50_context *nv50, uint32_t pntc[8], unsigned base)
continue;
}
- sn = vp->info.input_semantic_name[j];
- si = vp->info.input_semantic_index[j];
+ for (j = 0; j < vp->info.num_outputs; ++j) {
+ sn = vp->info.output_semantic_name[j];
+ si = vp->info.output_semantic_index[j];
- if (j < fp->cfg.io_nr && sn == TGSI_SEMANTIC_GENERIC) {
+ if (sn == fp->info.input_semantic_name[k] &&
+ si == fp->info.input_semantic_index[k])
+ break;
+ }
+
+ if (j < vp->info.num_outputs) {
ubyte mode =
nv50->rasterizer->pipe.sprite_coord_mode[si];
@@ -2807,20 +3348,24 @@ nv50_linkage_validate(struct nv50_context *nv50)
reg[0] += m - 4; /* adjust FFC0 id */
reg[4] |= m << 8; /* set mid where 'normal' FP inputs start */
- i = 0;
- if (fp->info.input_semantic_name[0] == TGSI_SEMANTIC_POSITION)
- i = 1;
- for (; i < fp->cfg.io_nr; i++) {
- ubyte sn = fp->info.input_semantic_name[fp->cfg.io[i].id_fp];
- ubyte si = fp->info.input_semantic_index[fp->cfg.io[i].id_fp];
-
- n = fp->cfg.io[i].id_vp;
- if (n >= vp->cfg.io_nr ||
- vp->info.output_semantic_name[n] != sn ||
- vp->info.output_semantic_index[n] != si)
- vpo = &dummy;
- else
- vpo = &vp->cfg.io[n];
+ for (i = 0; i < fp->cfg.io_nr; i++) {
+ ubyte sn = fp->info.input_semantic_name[fp->cfg.io[i].id];
+ ubyte si = fp->info.input_semantic_index[fp->cfg.io[i].id];
+
+ /* position must be mapped first */
+ assert(i == 0 || sn != TGSI_SEMANTIC_POSITION);
+
+ /* maybe even remove these from cfg.io */
+ if (sn == TGSI_SEMANTIC_POSITION || sn == TGSI_SEMANTIC_FACE)
+ continue;
+
+ /* VP outputs and vp->cfg.io are in the same order */
+ for (n = 0; n < vp->info.num_outputs; ++n) {
+ if (vp->info.output_semantic_name[n] == sn &&
+ vp->info.output_semantic_index[n] == si)
+ break;
+ }
+ vpo = (n < vp->info.num_outputs) ? &vp->cfg.io[n] : &dummy;
m = nv50_sreg4_map(map, m, lin, &fp->cfg.io[i], vpo);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 01:47:53 +0000