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path: root/src/gallium/drivers/nv50/nv50_program.c
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Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c1223
1 files changed, 959 insertions, 264 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 2d15868ae8..5f7d06dbec 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -85,6 +85,9 @@ struct nv50_reg {
int hw;
int neg;
+
+ int rhw; /* result hw for FP outputs, or interpolant index */
+ int acc; /* instruction where this reg is last read (first insn == 1) */
};
struct nv50_pc {
@@ -108,12 +111,23 @@ struct nv50_pc {
struct nv50_reg *temp_temp[16];
unsigned temp_temp_nr;
+
+ unsigned interp_mode[32];
+ /* perspective interpolation registers */
+ struct nv50_reg *iv_p;
+ struct nv50_reg *iv_c;
+
+ /* current instruction and total number of insns */
+ unsigned insn_cur;
+ unsigned insn_nr;
+
+ boolean allow32;
};
static void
alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg)
{
- int i;
+ int i = 0;
if (reg->type == P_RESULT) {
if (pc->p->cfg.high_result < (reg->hw + 1))
@@ -131,7 +145,22 @@ alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg)
return;
}
- for (i = 0; i < NV50_SU_MAX_TEMP; i++) {
+ if (reg->rhw != -1) {
+ /* try to allocate temporary with index rhw first */
+ if (!(pc->r_temp[reg->rhw])) {
+ pc->r_temp[reg->rhw] = reg;
+ reg->hw = reg->rhw;
+ if (pc->p->cfg.high_temp < (reg->rhw + 1))
+ pc->p->cfg.high_temp = reg->rhw + 1;
+ return;
+ }
+ /* make sure we don't get things like $r0 needs to go
+ * in $r1 and $r1 in $r0
+ */
+ i = pc->result_nr * 4;
+ }
+
+ for (; i < NV50_SU_MAX_TEMP; i++) {
if (!(pc->r_temp[i])) {
pc->r_temp[i] = reg;
reg->hw = i;
@@ -159,6 +188,7 @@ alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst)
r->type = P_TEMP;
r->index = -1;
r->hw = i;
+ r->rhw = -1;
pc->r_temp[i] = r;
return r;
}
@@ -168,6 +198,38 @@ alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst)
return NULL;
}
+/* Assign the hw of the discarded temporary register src
+ * to the tgsi register dst and free src.
+ */
+static void
+assimilate_temp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
+{
+ assert(src->index == -1 && src->hw != -1);
+
+ if (dst->hw != -1)
+ pc->r_temp[dst->hw] = NULL;
+ pc->r_temp[src->hw] = dst;
+ dst->hw = src->hw;
+
+ FREE(src);
+}
+
+/* release the hardware resource held by r */
+static void
+release_hw(struct nv50_pc *pc, struct nv50_reg *r)
+{
+ assert(r->type == P_TEMP);
+ if (r->hw == -1)
+ return;
+
+ assert(pc->r_temp[r->hw] == r);
+ pc->r_temp[r->hw] = NULL;
+
+ r->acc = 0;
+ if (r->index == -1)
+ FREE(r);
+}
+
static void
free_temp(struct nv50_pc *pc, struct nv50_reg *r)
{
@@ -250,7 +312,13 @@ alloc_immd(struct nv50_pc *pc, float f)
struct nv50_reg *r = CALLOC_STRUCT(nv50_reg);
unsigned hw;
- hw = ctor_immd(pc, f, 0, 0, 0) * 4;
+ for (hw = 0; hw < pc->immd_nr * 4; hw++)
+ if (pc->immd_buf[hw] == f)
+ break;
+
+ if (hw == pc->immd_nr * 4)
+ hw = ctor_immd(pc, f, -f, 0.5 * f, 0) * 4;
+
r->type = P_IMMD;
r->hw = hw;
r->index = -1;
@@ -341,7 +409,8 @@ set_dst(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_program_exec *e)
static INLINE void
set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e)
{
- unsigned val = fui(pc->immd_buf[imm->hw]); /* XXX */
+ float f = pc->immd_buf[imm->hw];
+ unsigned val = fui(imm->neg ? -f : f);
set_long(pc, e);
/*XXX: can't be predicated - bits overlap.. catch cases where both
@@ -354,20 +423,35 @@ set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e)
e->inst[1] |= (val >> 6) << 2;
}
+
+#define INTERP_LINEAR 0
+#define INTERP_FLAT 1
+#define INTERP_PERSPECTIVE 2
+#define INTERP_CENTROID 4
+
+/* interpolant index has been stored in dst->rhw */
static void
-emit_interp(struct nv50_pc *pc, struct nv50_reg *dst,
- struct nv50_reg *src, struct nv50_reg *iv)
+emit_interp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *iv,
+ unsigned mode)
{
+ assert(dst->rhw != -1);
struct nv50_program_exec *e = exec(pc);
e->inst[0] |= 0x80000000;
set_dst(pc, dst, e);
- alloc_reg(pc, src);
- e->inst[0] |= (src->hw << 16);
- if (iv) {
- e->inst[0] |= (1 << 25);
- alloc_reg(pc, iv);
- e->inst[0] |= (iv->hw << 9);
+ e->inst[0] |= (dst->rhw << 16);
+
+ if (mode & INTERP_FLAT) {
+ e->inst[0] |= (1 << 8);
+ } else {
+ if (mode & INTERP_PERSPECTIVE) {
+ e->inst[0] |= (1 << 25);
+ alloc_reg(pc, iv);
+ e->inst[0] |= (iv->hw << 9);
+ }
+
+ if (mode & INTERP_CENTROID)
+ e->inst[0] |= (1 << 24);
}
emit(pc, e);
@@ -378,22 +462,12 @@ set_data(struct nv50_pc *pc, struct nv50_reg *src, unsigned m, unsigned s,
struct nv50_program_exec *e)
{
set_long(pc, e);
-#if 1
- e->inst[1] |= (1 << 22);
-#else
- if (src->type == P_IMMD) {
- e->inst[1] |= (NV50_CB_PMISC << 22);
- } else {
- if (pc->p->type == PIPE_SHADER_VERTEX)
- e->inst[1] |= (NV50_CB_PVP << 22);
- else
- e->inst[1] |= (NV50_CB_PFP << 22);
- }
-#endif
e->param.index = src->hw;
e->param.shift = s;
e->param.mask = m << (s % 32);
+
+ e->inst[1] |= (((src->type == P_IMMD) ? 0 : 1) << 22);
}
static void
@@ -405,12 +479,11 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
set_dst(pc, dst, e);
- if (0 && dst->type != P_RESULT && src->type == P_IMMD) {
+ if (pc->allow32 && dst->type != P_RESULT && 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
*/
- e->inst[0] |= 0x00008000;
} else
if (src->type == P_IMMD || src->type == P_CONST) {
set_long(pc, e);
@@ -426,18 +499,25 @@ emit_mov(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
e->inst[0] |= (src->hw << 9);
}
- /* We really should support "half" instructions here at some point,
- * but I don't feel confident enough about them yet.
- */
- set_long(pc, e);
if (is_long(e) && !is_immd(e)) {
e->inst[1] |= 0x04000000; /* 32-bit */
- e->inst[1] |= 0x0003c000; /* "subsubop" 0xf == mov */
- }
+ e->inst[1] |= 0x0000c000; /* "subsubop" 0x3 */
+ if (!(e->inst[1] & 0x20000000))
+ e->inst[1] |= 0x00030000; /* "subsubop" 0xf */
+ } else
+ e->inst[0] |= 0x00008000;
emit(pc, e);
}
+static INLINE void
+emit_mov_immdval(struct nv50_pc *pc, struct nv50_reg *dst, float f)
+{
+ struct nv50_reg *imm = alloc_immd(pc, f);
+ emit_mov(pc, dst, imm);
+ FREE(imm);
+}
+
static boolean
check_swap_src_0_1(struct nv50_pc *pc,
struct nv50_reg **s0, struct nv50_reg **s1)
@@ -541,12 +621,26 @@ emit_mul(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
struct nv50_program_exec *e = exec(pc);
e->inst[0] |= 0xc0000000;
- set_long(pc, e);
+
+ if (!pc->allow32)
+ set_long(pc, e);
check_swap_src_0_1(pc, &src0, &src1);
set_dst(pc, dst, e);
set_src_0(pc, src0, e);
- set_src_1(pc, src1, e);
+ if (src1->type == P_IMMD && !is_long(e)) {
+ if (src0->neg)
+ e->inst[0] |= 0x00008000;
+ set_immd(pc, src1, e);
+ } else {
+ set_src_1(pc, src1, e);
+ if (src0->neg ^ src1->neg) {
+ if (is_long(e))
+ e->inst[1] |= 0x08000000;
+ else
+ e->inst[0] |= 0x00008000;
+ }
+ }
emit(pc, e);
}
@@ -560,11 +654,20 @@ emit_add(struct nv50_pc *pc, struct nv50_reg *dst,
e->inst[0] |= 0xb0000000;
check_swap_src_0_1(pc, &src0, &src1);
+
+ if (!pc->allow32 || src0->neg || src1->neg) {
+ set_long(pc, e);
+ e->inst[1] |= (src0->neg << 26) | (src1->neg << 27);
+ }
+
set_dst(pc, dst, e);
set_src_0(pc, src0, e);
- if (is_long(e))
+ if (src1->type == P_CONST || src1->type == P_ATTR || is_long(e))
set_src_2(pc, src1, e);
else
+ if (src1->type == P_IMMD)
+ set_immd(pc, src1, e);
+ else
set_src_1(pc, src1, e);
emit(pc, e);
@@ -588,25 +691,13 @@ emit_minmax(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst,
emit(pc, e);
}
-static void
+static INLINE void
emit_sub(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
struct nv50_reg *src1)
{
- struct nv50_program_exec *e = exec(pc);
-
- e->inst[0] |= 0xb0000000;
-
- set_long(pc, e);
- if (check_swap_src_0_1(pc, &src0, &src1))
- e->inst[1] |= 0x04000000;
- else
- e->inst[1] |= 0x08000000;
-
- set_dst(pc, dst, e);
- set_src_0(pc, src0, e);
- set_src_2(pc, src1, e);
-
- emit(pc, e);
+ src1->neg ^= 1;
+ emit_add(pc, dst, src0, src1);
+ src1->neg ^= 1;
}
static void
@@ -623,26 +714,21 @@ 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)
+ e->inst[1] |= 0x04000000;
+ if (src2->neg)
+ e->inst[1] |= 0x08000000;
+
emit(pc, e);
}
-static void
+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)
{
- struct nv50_program_exec *e = exec(pc);
-
- e->inst[0] |= 0xe0000000;
- set_long(pc, e);
- e->inst[1] |= 0x08000000; /* src0 * src1 - src2 */
-
- check_swap_src_0_1(pc, &src0, &src1);
- set_dst(pc, dst, e);
- set_src_0(pc, src0, e);
- set_src_1(pc, src1, e);
- set_src_2(pc, src2, e);
-
- emit(pc, e);
+ src2->neg ^= 1;
+ emit_mad(pc, dst, src0, src1, src2);
+ src2->neg ^= 1;
}
static void
@@ -693,6 +779,48 @@ emit_precossin(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
emit(pc, e);
}
+#define CVTOP_RN 0x01
+#define CVTOP_FLOOR 0x03
+#define CVTOP_CEIL 0x05
+#define CVTOP_TRUNC 0x07
+#define CVTOP_SAT 0x08
+#define CVTOP_ABS 0x10
+
+#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
+
+static void
+emit_cvt(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src,
+ int wp, unsigned cop, unsigned fmt)
+{
+ struct nv50_program_exec *e;
+
+ e = exec(pc);
+ set_long(pc, e);
+
+ e->inst[0] |= 0xa0000000;
+ e->inst[1] |= 0x00004000;
+ e->inst[1] |= (cop << 16);
+ e->inst[1] |= (fmt << 24);
+ set_src_0(pc, src, e);
+
+ if (wp >= 0)
+ set_pred_wr(pc, 1, wp, e);
+
+ if (dst)
+ set_dst(pc, dst, e);
+ else {
+ e->inst[0] |= 0x000001fc;
+ e->inst[1] |= 0x00000008;
+ }
+
+ emit(pc, e);
+}
+
static void
emit_set(struct nv50_pc *pc, unsigned c_op, struct nv50_reg *dst,
struct nv50_reg *src0, struct nv50_reg *src1)
@@ -736,22 +864,10 @@ emit_set(struct nv50_pc *pc, unsigned c_op, struct nv50_reg *dst,
free_temp(pc, dst);
}
-static void
+static INLINE void
emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
- struct nv50_program_exec *e = exec(pc);
-
- e->inst[0] = 0xa0000000; /* cvt */
- set_long(pc, e);
- e->inst[1] |= (6 << 29); /* cvt */
- e->inst[1] |= 0x08000000; /* integer mode */
- e->inst[1] |= 0x04000000; /* 32 bit */
- e->inst[1] |= ((0x1 << 3)) << 14; /* .rn */
- 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_FLOOR, CVT_F32_F32_ROP);
}
static void
@@ -768,21 +884,10 @@ emit_pow(struct nv50_pc *pc, struct nv50_reg *dst,
free_temp(pc, temp);
}
-static void
+static INLINE void
emit_abs(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
- struct nv50_program_exec *e = exec(pc);
-
- e->inst[0] = 0xa0000000; /* cvt */
- set_long(pc, e);
- e->inst[1] |= (6 << 29); /* cvt */
- e->inst[1] |= 0x04000000; /* 32 bit */
- e->inst[1] |= (1 << 14); /* src .f32 */
- e->inst[1] |= ((1 << 6) << 14); /* .abs */
- set_dst(pc, dst, e);
- set_src_0(pc, src, e);
-
- emit(pc, e);
+ emit_cvt(pc, dst, src, -1, CVTOP_ABS, CVT_F32_F32);
}
static void
@@ -794,18 +899,12 @@ emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
struct nv50_reg *neg128 = alloc_immd(pc, -127.999999);
struct nv50_reg *pos128 = alloc_immd(pc, 127.999999);
struct nv50_reg *tmp[4];
+ boolean allow32 = pc->allow32;
- if (mask & (1 << 0))
- emit_mov(pc, dst[0], one);
-
- if (mask & (1 << 3))
- emit_mov(pc, dst[3], one);
+ pc->allow32 = FALSE;
if (mask & (3 << 1)) {
- if (mask & (1 << 1))
- tmp[0] = dst[1];
- else
- tmp[0] = temp_temp(pc);
+ tmp[0] = alloc_temp(pc, NULL);
emit_minmax(pc, 4, tmp[0], src[0], zero);
}
@@ -823,6 +922,26 @@ emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask,
emit_mov(pc, dst[2], zero);
set_pred(pc, 3, 0, pc->p->exec_tail);
}
+
+ if (mask & (1 << 1))
+ assimilate_temp(pc, dst[1], tmp[0]);
+ else
+ if (mask & (1 << 2))
+ free_temp(pc, tmp[0]);
+
+ pc->allow32 = allow32;
+
+ /* do this last, in case src[i,j] == dst[0,3] */
+ if (mask & (1 << 0))
+ emit_mov(pc, dst[0], one);
+
+ if (mask & (1 << 3))
+ emit_mov(pc, dst[3], one);
+
+ FREE(pos128);
+ FREE(neg128);
+ FREE(zero);
+ FREE(one);
}
static void
@@ -853,6 +972,8 @@ emit_kil(struct nv50_pc *pc, struct nv50_reg *src)
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);
/* This is probably KILP */
@@ -863,6 +984,180 @@ emit_kil(struct nv50_pc *pc, struct nv50_reg *src)
emit(pc, e);
}
+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_program_exec *e;
+
+ unsigned c, mode, dim;
+
+ switch (type) {
+ case TGSI_TEXTURE_1D:
+ dim = 1;
+ break;
+ case TGSI_TEXTURE_UNKNOWN:
+ case TGSI_TEXTURE_2D:
+ case TGSI_TEXTURE_SHADOW1D: /* XXX: x, z */
+ case TGSI_TEXTURE_RECT:
+ dim = 2;
+ break;
+ case TGSI_TEXTURE_3D:
+ case TGSI_TEXTURE_CUBE:
+ case TGSI_TEXTURE_SHADOW2D:
+ case TGSI_TEXTURE_SHADOWRECT: /* XXX */
+ dim = 3;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ alloc_temp4(pc, t, 0);
+
+ if (proj) {
+ if (src[0]->type == P_TEMP && src[0]->rhw != -1) {
+ mode = pc->interp_mode[src[0]->index];
+
+ t[3]->rhw = src[3]->rhw;
+ emit_interp(pc, t[3], NULL, (mode & INTERP_CENTROID));
+ emit_flop(pc, 0, t[3], t[3]);
+
+ for (c = 0; c < dim; c++) {
+ t[c]->rhw = src[c]->rhw;
+ emit_interp(pc, t[c], t[3],
+ (mode | INTERP_PERSPECTIVE));
+ }
+ } else {
+ emit_flop(pc, 0, t[3], src[3]);
+ for (c = 0; c < dim; c++)
+ emit_mul(pc, t[c], src[c], t[3]);
+
+ /* XXX: for some reason the blob sometimes uses MAD:
+ * emit_mad(pc, t[c], src[0][c], t[3], t[3])
+ * pc->p->exec_tail->inst[1] |= 0x080fc000;
+ */
+ }
+ } 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]);
+ }
+ }
+
+ e = exec(pc);
+ set_long(pc, e);
+ e->inst[0] |= 0xf0000000;
+ e->inst[1] |= 0x00000004;
+ set_dst(pc, t[0], e);
+ e->inst[0] |= (unit << 9);
+
+ if (dim == 2)
+ e->inst[0] |= 0x00400000;
+ else
+ if (dim == 3)
+ e->inst[0] |= 0x00800000;
+
+ 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]);
+
+ free_temp4(pc, t);
+#else
+ /* XXX: if p.e. MUL is used directly after TEX, it would still use
+ * the texture coordinates, not the fetched values: latency ? */
+
+ for (c = 0; c < 4; c++) {
+ if (mask & (1 << c))
+ assimilate_temp(pc, dst[c], t[c]);
+ else
+ free_temp(pc, t[c]);
+ }
+#endif
+}
+
+static void
+convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e)
+{
+ unsigned q = 0, m = ~0;
+
+ assert(!is_long(e));
+
+ switch (e->inst[0] >> 28) {
+ case 0x1:
+ /* MOV */
+ q = 0x0403c000;
+ m = 0xffff7fff;
+ break;
+ case 0x8:
+ /* INTERP */
+ m = ~0x02000000;
+ if (e->inst[0] & 0x02000000)
+ q = 0x00020000;
+ break;
+ case 0x9:
+ /* RCP */
+ break;
+ case 0xB:
+ /* ADD */
+ m = ~(127 << 16);
+ q = ((e->inst[0] & (~m)) >> 2);
+ break;
+ case 0xC:
+ /* MUL */
+ m = ~0x00008000;
+ q = ((e->inst[0] & (~m)) << 12);
+ break;
+ case 0xE:
+ /* MAD (if src2 == dst) */
+ q = ((e->inst[0] & 0x1fc) << 12);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ set_long(pc, e);
+ pc->p->exec_size++;
+
+ e->inst[0] &= m;
+ e->inst[1] |= q;
+}
+
+static boolean
+negate_supported(const struct tgsi_full_instruction *insn, int i)
+{
+ switch (insn->Instruction.Opcode) {
+ case TGSI_OPCODE_DP3:
+ case TGSI_OPCODE_DP4:
+ case TGSI_OPCODE_MUL:
+ case TGSI_OPCODE_KIL:
+ case TGSI_OPCODE_ADD:
+ case TGSI_OPCODE_SUB:
+ case TGSI_OPCODE_MAD:
+ return TRUE;
+ case TGSI_OPCODE_POW:
+ return (i == 1) ? TRUE : FALSE;
+ default:
+ return FALSE;
+ }
+}
+
static struct nv50_reg *
tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst)
{
@@ -881,11 +1176,14 @@ tgsi_dst(struct nv50_pc *pc, int c, const struct tgsi_full_dst_register *dst)
}
static struct nv50_reg *
-tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src)
+tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src,
+ boolean neg)
{
struct nv50_reg *r = NULL;
struct nv50_reg *temp;
- unsigned c;
+ unsigned sgn, c;
+
+ sgn = tgsi_util_get_full_src_register_sign_mode(src, chan);
c = tgsi_util_get_full_src_register_extswizzle(src, chan);
switch (c) {
@@ -915,16 +1213,17 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src)
break;
case TGSI_EXTSWIZZLE_ZERO:
r = alloc_immd(pc, 0.0);
- break;
+ return r;
case TGSI_EXTSWIZZLE_ONE:
- r = alloc_immd(pc, 1.0);
- break;
+ 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;
}
- switch (tgsi_util_get_full_src_register_sign_mode(src, chan)) {
+ switch (sgn) {
case TGSI_UTIL_SIGN_KEEP:
break;
case TGSI_UTIL_SIGN_CLEAR:
@@ -933,14 +1232,21 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src)
r = temp;
break;
case TGSI_UTIL_SIGN_TOGGLE:
- temp = temp_temp(pc);
- emit_neg(pc, temp, r);
- r = temp;
+ if (neg)
+ r->neg = 1;
+ else {
+ temp = temp_temp(pc);
+ emit_neg(pc, temp, r);
+ r = temp;
+ }
break;
case TGSI_UTIL_SIGN_SET:
temp = temp_temp(pc);
emit_abs(pc, temp, r);
- emit_neg(pc, temp, r);
+ if (neg)
+ temp->neg = 1;
+ else
+ emit_neg(pc, temp, temp);
r = temp;
break;
default:
@@ -951,12 +1257,40 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src)
return r;
}
+/* returns TRUE if instruction can overwrite sources before they're read */
+static boolean
+direct2dest_op(const struct tgsi_full_instruction *insn)
+{
+ if (insn->Instruction.Saturate)
+ return FALSE;
+
+ switch (insn->Instruction.Opcode) {
+ case TGSI_OPCODE_COS:
+ case TGSI_OPCODE_DP3:
+ case TGSI_OPCODE_DP4:
+ case TGSI_OPCODE_DPH:
+ case TGSI_OPCODE_KIL:
+ case TGSI_OPCODE_LIT:
+ case TGSI_OPCODE_POW:
+ case TGSI_OPCODE_RCP:
+ case TGSI_OPCODE_RSQ:
+ case TGSI_OPCODE_SCS:
+ case TGSI_OPCODE_SIN:
+ case TGSI_OPCODE_TEX:
+ case TGSI_OPCODE_TXP:
+ return FALSE;
+ default:
+ return TRUE;
+ }
+}
+
static boolean
nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
{
const struct tgsi_full_instruction *inst = &tok->FullInstruction;
struct nv50_reg *rdst[4], *dst[4], *src[3][4], *temp;
unsigned mask, sat, unit;
+ boolean assimilate = FALSE;
int i, c;
mask = inst->FullDstRegisters[0].DstRegister.WriteMask;
@@ -967,6 +1301,10 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
dst[c] = tgsi_dst(pc, c, &inst->FullDstRegisters[0]);
else
dst[c] = NULL;
+ rdst[c] = NULL;
+ src[0][c] = NULL;
+ src[1][c] = NULL;
+ src[2][c] = NULL;
}
for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
@@ -976,7 +1314,8 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
unit = fs->SrcRegister.Index;
for (c = 0; c < 4; c++)
- src[i][c] = tgsi_src(pc, c, fs);
+ src[i][c] = tgsi_src(pc, c, fs,
+ negate_supported(inst, i));
}
if (sat) {
@@ -984,6 +1323,25 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
rdst[c] = dst[c];
dst[c] = temp_temp(pc);
}
+ } else
+ if (direct2dest_op(inst)) {
+ for (c = 0; c < 4; c++) {
+ if (!dst[c] || dst[c]->type != P_TEMP)
+ continue;
+
+ for (i = c + 1; i < 4; i++) {
+ if (dst[c] == src[0][i] ||
+ dst[c] == src[1][i] ||
+ dst[c] == src[2][i])
+ break;
+ }
+ if (i == 4)
+ continue;
+
+ assimilate = TRUE;
+ rdst[c] = dst[c];
+ dst[c] = alloc_temp(pc, NULL);
+ }
}
switch (inst->Instruction.Opcode) {
@@ -1002,7 +1360,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_COS:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_precossin(pc, temp, src[0][0]);
emit_flop(pc, 5, temp, temp);
for (c = 0; c < 4; c++) {
@@ -1012,7 +1370,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_DP3:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_mul(pc, temp, src[0][0], src[1][0]);
emit_mad(pc, temp, src[0][1], src[1][1], temp);
emit_mad(pc, temp, src[0][2], src[1][2], temp);
@@ -1021,10 +1379,9 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
continue;
emit_mov(pc, dst[c], temp);
}
- free_temp(pc, temp);
break;
case TGSI_OPCODE_DP4:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_mul(pc, temp, src[0][0], src[1][0]);
emit_mad(pc, temp, src[0][1], src[1][1], temp);
emit_mad(pc, temp, src[0][2], src[1][2], temp);
@@ -1034,10 +1391,9 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
continue;
emit_mov(pc, dst[c], temp);
}
- free_temp(pc, temp);
break;
case TGSI_OPCODE_DPH:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_mul(pc, temp, src[0][0], src[1][0]);
emit_mad(pc, temp, src[0][1], src[1][1], temp);
emit_mad(pc, temp, src[0][2], src[1][2], temp);
@@ -1047,7 +1403,6 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
continue;
emit_mov(pc, dst[c], temp);
}
- free_temp(pc, temp);
break;
case TGSI_OPCODE_DST:
{
@@ -1064,7 +1419,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_EX2:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_preex2(pc, temp, src[0][0]);
emit_flop(pc, 6, temp, temp);
for (c = 0; c < 4; c++) {
@@ -1072,7 +1427,6 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
continue;
emit_mov(pc, dst[c], temp);
}
- free_temp(pc, temp);
break;
case TGSI_OPCODE_FLR:
for (c = 0; c < 4; c++) {
@@ -1082,26 +1436,26 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_FRC:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
emit_flr(pc, temp, src[0][c]);
emit_sub(pc, dst[c], src[0][c], temp);
}
- free_temp(pc, temp);
break;
case TGSI_OPCODE_KIL:
emit_kil(pc, src[0][0]);
emit_kil(pc, src[0][1]);
emit_kil(pc, src[0][2]);
emit_kil(pc, src[0][3]);
+ pc->p->cfg.fp.regs[2] |= 0x00100000;
break;
case TGSI_OPCODE_LIT:
emit_lit(pc, &dst[0], mask, &src[0][0]);
break;
case TGSI_OPCODE_LG2:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_flop(pc, 3, temp, src[0][0]);
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
@@ -1110,15 +1464,12 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_LRP:
+ temp = temp_temp(pc);
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
- /*XXX: we can do better than this */
- temp = alloc_temp(pc, NULL);
- emit_neg(pc, temp, src[0][c]);
- emit_mad(pc, temp, temp, src[2][c], src[2][c]);
- emit_mad(pc, dst[c], src[0][c], src[1][c], temp);
- free_temp(pc, temp);
+ emit_sub(pc, temp, src[1][c], src[2][c]);
+ emit_mad(pc, dst[c], temp, src[0][c], src[2][c]);
}
break;
case TGSI_OPCODE_MAD:
@@ -1157,36 +1508,39 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_POW:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_pow(pc, temp, src[0][0], src[1][0]);
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
emit_mov(pc, dst[c], temp);
}
- free_temp(pc, temp);
break;
case TGSI_OPCODE_RCP:
- for (c = 0; c < 4; c++) {
+ for (c = 3; c >= 0; c--) {
if (!(mask & (1 << c)))
continue;
emit_flop(pc, 0, dst[c], src[0][0]);
}
break;
case TGSI_OPCODE_RSQ:
- for (c = 0; c < 4; c++) {
+ for (c = 3; c >= 0; c--) {
if (!(mask & (1 << c)))
continue;
emit_flop(pc, 2, dst[c], src[0][0]);
}
break;
case TGSI_OPCODE_SCS:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_precossin(pc, temp, src[0][0]);
if (mask & (1 << 0))
emit_flop(pc, 5, dst[0], temp);
if (mask & (1 << 1))
emit_flop(pc, 4, dst[1], temp);
+ if (mask & (1 << 2))
+ emit_mov_immdval(pc, dst[2], 0.0);
+ if (mask & (1 << 3))
+ emit_mov_immdval(pc, dst[3], 1.0);
break;
case TGSI_OPCODE_SGE:
for (c = 0; c < 4; c++) {
@@ -1196,7 +1550,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_SIN:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
emit_precossin(pc, temp, src[0][0]);
emit_flop(pc, 4, temp, temp);
for (c = 0; c < 4; c++) {
@@ -1220,33 +1574,15 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
break;
case TGSI_OPCODE_TEX:
+ emit_tex(pc, dst, mask, src[0], unit,
+ inst->InstructionExtTexture.Texture, FALSE);
+ break;
case TGSI_OPCODE_TXP:
- {
- struct nv50_reg *t[4];
- struct nv50_program_exec *e;
-
- alloc_temp4(pc, t, 0);
- emit_mov(pc, t[0], src[0][0]);
- emit_mov(pc, t[1], src[0][1]);
-
- e = exec(pc);
- e->inst[0] = 0xf6400000;
- e->inst[0] |= (unit << 9);
- set_long(pc, e);
- e->inst[1] |= 0x0000c004;
- set_dst(pc, t[0], e);
- emit(pc, e);
-
- if (mask & (1 << 0)) emit_mov(pc, dst[0], t[0]);
- if (mask & (1 << 1)) emit_mov(pc, dst[1], t[1]);
- if (mask & (1 << 2)) emit_mov(pc, dst[2], t[2]);
- if (mask & (1 << 3)) emit_mov(pc, dst[3], t[3]);
-
- free_temp4(pc, t);
- }
+ emit_tex(pc, dst, mask, src[0], unit,
+ inst->InstructionExtTexture.Texture, TRUE);
break;
case TGSI_OPCODE_XPD:
- temp = alloc_temp(pc, NULL);
+ temp = temp_temp(pc);
if (mask & (1 << 0)) {
emit_mul(pc, temp, src[0][2], src[1][1]);
emit_msb(pc, dst[0], src[0][1], src[1][2], temp);
@@ -1259,7 +1595,8 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
emit_mul(pc, temp, src[0][1], src[1][0]);
emit_msb(pc, dst[2], src[0][0], src[1][1], temp);
}
- free_temp(pc, temp);
+ if (mask & (1 << 3))
+ emit_mov_immdval(pc, dst[3], 1.0);
break;
case TGSI_OPCODE_END:
break;
@@ -1270,21 +1607,26 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
if (sat) {
for (c = 0; c < 4; c++) {
- struct nv50_program_exec *e;
-
if (!(mask & (1 << c)))
continue;
- e = exec(pc);
+ emit_cvt(pc, rdst[c], dst[c], -1, CVTOP_SAT,
+ CVT_F32_F32);
+ }
+ } else if (assimilate) {
+ for (c = 0; c < 4; c++)
+ if (rdst[c])
+ assimilate_temp(pc, rdst[c], dst[c]);
+ }
- e->inst[0] = 0xa0000000; /* cvt */
- set_long(pc, e);
- e->inst[1] |= (6 << 29); /* cvt */
- e->inst[1] |= 0x04000000; /* 32 bit */
- e->inst[1] |= (1 << 14); /* src .f32 */
- e->inst[1] |= ((1 << 5) << 14); /* .sat */
- set_dst(pc, rdst[c], e);
- set_src_0(pc, dst[c], e);
- emit(pc, e);
+ for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
+ for (c = 0; c < 4; c++) {
+ if (!src[i][c])
+ continue;
+ if (src[i][c]->index == -1 && src[i][c]->type == P_IMMD)
+ FREE(src[i][c]);
+ else
+ if (src[i][c]->acc == pc->insn_cur)
+ release_hw(pc, src[i][c]);
}
}
@@ -1292,12 +1634,169 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
return TRUE;
}
+/* Adjust a bitmask that indicates what components of a source are used,
+ * we use this in tx_prep so we only load interpolants that are needed.
+ */
+static void
+insn_adjust_mask(const struct tgsi_full_instruction *insn, unsigned *mask)
+{
+ const struct tgsi_instruction_ext_texture *tex;
+
+ switch (insn->Instruction.Opcode) {
+ case TGSI_OPCODE_DP3:
+ *mask = 0x7;
+ break;
+ case TGSI_OPCODE_DP4:
+ case TGSI_OPCODE_DPH:
+ *mask = 0xF;
+ break;
+ case TGSI_OPCODE_LIT:
+ *mask = 0xB;
+ break;
+ case TGSI_OPCODE_RCP:
+ case TGSI_OPCODE_RSQ:
+ *mask = 0x1;
+ break;
+ case TGSI_OPCODE_TEX:
+ case TGSI_OPCODE_TXP:
+ assert(insn->Instruction.Extended);
+ tex = &insn->InstructionExtTexture;
+
+ *mask = 0x7;
+ if (tex->Texture == TGSI_TEXTURE_1D)
+ *mask = 0x1;
+ else
+ if (tex->Texture == TGSI_TEXTURE_2D)
+ *mask = 0x3;
+
+ if (insn->Instruction.Opcode == TGSI_OPCODE_TXP)
+ *mask |= 0x8;
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+prep_inspect_insn(struct nv50_pc *pc, const union tgsi_full_token *tok,
+ unsigned *r_usage[2])
+{
+ const struct tgsi_full_instruction *insn;
+ const struct tgsi_full_src_register *src;
+ const struct tgsi_dst_register *dst;
+
+ unsigned i, c, k, n, mask, *acc_p;
+
+ insn = &tok->FullInstruction;
+ dst = &insn->FullDstRegisters[0].DstRegister;
+ mask = dst->WriteMask;
+
+ if (!r_usage[0])
+ r_usage[0] = CALLOC(pc->temp_nr * 4, sizeof(unsigned));
+ if (!r_usage[1])
+ r_usage[1] = CALLOC(pc->attr_nr * 4, sizeof(unsigned));
+
+ if (dst->File == TGSI_FILE_TEMPORARY) {
+ for (c = 0; c < 4; c++) {
+ if (!(mask & (1 << c)))
+ continue;
+ r_usage[0][dst->Index * 4 + c] = pc->insn_nr;
+ }
+ }
+
+ for (i = 0; i < insn->Instruction.NumSrcRegs; i++) {
+ src = &insn->FullSrcRegisters[i];
+
+ switch (src->SrcRegister.File) {
+ case TGSI_FILE_TEMPORARY:
+ acc_p = r_usage[0];
+ break;
+ case TGSI_FILE_INPUT:
+ acc_p = r_usage[1];
+ break;
+ default:
+ continue;
+ }
+
+ insn_adjust_mask(insn, &mask);
+
+ for (c = 0; c < 4; c++) {
+ if (!(mask & (1 << c)))
+ continue;
+
+ k = tgsi_util_get_full_src_register_extswizzle(src, c);
+ switch (k) {
+ case TGSI_EXTSWIZZLE_X:
+ case TGSI_EXTSWIZZLE_Y:
+ case TGSI_EXTSWIZZLE_Z:
+ case TGSI_EXTSWIZZLE_W:
+ n = src->SrcRegister.Index * 4 + k;
+ acc_p[n] = pc->insn_nr;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+}
+
+static unsigned
+load_fp_attrib(struct nv50_pc *pc, int i, unsigned *acc, int *mid,
+ int *aid, int *p_oid)
+{
+ struct nv50_reg *iv;
+ int oid, c, n;
+ unsigned mask = 0;
+
+ iv = (pc->interp_mode[i] & INTERP_CENTROID) ? pc->iv_c : pc->iv_p;
+
+ for (c = 0, n = i * 4; c < 4; c++, n++) {
+ oid = (*p_oid)++;
+ pc->attr[n].type = P_TEMP;
+ pc->attr[n].index = i;
+
+ if (pc->attr[n].acc == acc[n])
+ continue;
+ mask |= (1 << c);
+
+ pc->attr[n].acc = acc[n];
+ pc->attr[n].rhw = pc->attr[n].hw = -1;
+ alloc_reg(pc, &pc->attr[n]);
+
+ pc->attr[n].rhw = (*aid)++;
+ emit_interp(pc, &pc->attr[n], iv, pc->interp_mode[i]);
+
+ pc->p->cfg.fp.map[(*mid) / 4] |= oid << (8 * ((*mid) % 4));
+ (*mid)++;
+ pc->p->cfg.fp.regs[1] += 0x00010001;
+ }
+
+ return mask;
+}
+
static boolean
nv50_program_tx_prep(struct nv50_pc *pc)
{
struct tgsi_parse_context p;
boolean ret = FALSE;
unsigned i, c;
+ unsigned fcol, bcol, fcrd, depr;
+
+ /* count (centroid) perspective interpolations */
+ unsigned centroid_loads = 0;
+ unsigned perspect_loads = 0;
+
+ /* track register access for temps and attrs */
+ unsigned *r_usage[2];
+ r_usage[0] = NULL;
+ r_usage[1] = NULL;
+
+ depr = fcol = bcol = fcrd = 0xffff;
+
+ if (pc->p->type == PIPE_SHADER_FRAGMENT) {
+ pc->p->cfg.fp.regs[0] = 0x01000404;
+ pc->p->cfg.fp.regs[1] = 0x00000400;
+ }
tgsi_parse_init(&p, pc->p->pipe.tokens);
while (!tgsi_parse_end_of_tokens(&p)) {
@@ -1319,9 +1818,10 @@ nv50_program_tx_prep(struct nv50_pc *pc)
case TGSI_TOKEN_TYPE_DECLARATION:
{
const struct tgsi_full_declaration *d;
- unsigned last;
+ unsigned last, first, mode;
d = &p.FullToken.FullDeclaration;
+ first = d->DeclarationRange.First;
last = d->DeclarationRange.Last;
switch (d->Declaration.File) {
@@ -1332,10 +1832,69 @@ nv50_program_tx_prep(struct nv50_pc *pc)
case TGSI_FILE_OUTPUT:
if (pc->result_nr < (last + 1))
pc->result_nr = last + 1;
+
+ if (!d->Declaration.Semantic)
+ break;
+
+ switch (d->Semantic.SemanticName) {
+ case TGSI_SEMANTIC_POSITION:
+ depr = first;
+ pc->p->cfg.fp.regs[2] |= 0x00000100;
+ pc->p->cfg.fp.regs[3] |= 0x00000011;
+ break;
+ default:
+ break;
+ }
+
break;
case TGSI_FILE_INPUT:
+ {
if (pc->attr_nr < (last + 1))
pc->attr_nr = last + 1;
+
+ if (pc->p->type != PIPE_SHADER_FRAGMENT)
+ break;
+
+ switch (d->Declaration.Interpolate) {
+ case TGSI_INTERPOLATE_CONSTANT:
+ mode = INTERP_FLAT;
+ break;
+ case TGSI_INTERPOLATE_PERSPECTIVE:
+ mode = INTERP_PERSPECTIVE;
+ break;
+ default:
+ mode = INTERP_LINEAR;
+ break;
+ }
+
+ if (d->Declaration.Semantic) {
+ switch (d->Semantic.SemanticName) {
+ case TGSI_SEMANTIC_POSITION:
+ fcrd = first;
+ break;
+ case TGSI_SEMANTIC_COLOR:
+ fcol = first;
+ mode = INTERP_PERSPECTIVE;
+ break;
+ case TGSI_SEMANTIC_BCOLOR:
+ bcol = first;
+ mode = INTERP_PERSPECTIVE;
+ break;
+ }
+ }
+
+ if (d->Declaration.Centroid) {
+ mode |= INTERP_CENTROID;
+ if (mode & INTERP_PERSPECTIVE)
+ centroid_loads++;
+ } else
+ if (mode & INTERP_PERSPECTIVE)
+ perspect_loads++;
+
+ assert(last < 32);
+ for (i = first; i <= last; i++)
+ pc->interp_mode[i] = mode;
+ }
break;
case TGSI_FILE_CONSTANT:
if (pc->param_nr < (last + 1))
@@ -1351,6 +1910,8 @@ nv50_program_tx_prep(struct nv50_pc *pc)
}
break;
case TGSI_TOKEN_TYPE_INSTRUCTION:
+ pc->insn_nr++;
+ prep_inspect_insn(pc, tok, r_usage);
break;
default:
break;
@@ -1366,56 +1927,95 @@ nv50_program_tx_prep(struct nv50_pc *pc)
for (c = 0; c < 4; c++) {
pc->temp[i*4+c].type = P_TEMP;
pc->temp[i*4+c].hw = -1;
+ pc->temp[i*4+c].rhw = -1;
pc->temp[i*4+c].index = i;
+ pc->temp[i*4+c].acc = r_usage[0][i*4+c];
}
}
}
if (pc->attr_nr) {
- struct nv50_reg *iv = NULL;
- int aid = 0;
+ int oid = 4, mid = 4, aid = 0;
+ /* oid = VP output id
+ * aid = FP attribute/interpolant id
+ * mid = VP output mapping field ID
+ */
pc->attr = CALLOC(pc->attr_nr * 4, sizeof(struct nv50_reg));
if (!pc->attr)
goto out_err;
if (pc->p->type == PIPE_SHADER_FRAGMENT) {
- iv = alloc_temp(pc, NULL);
- emit_interp(pc, iv, iv, NULL);
- emit_flop(pc, 0, iv, iv);
- aid++;
- }
+ /* position should be loaded first */
+ if (fcrd != 0xffff) {
+ unsigned mask;
+ mid = 0;
+ mask = load_fp_attrib(pc, fcrd, r_usage[1],
+ &mid, &aid, &oid);
+ oid = 0;
+ pc->p->cfg.fp.regs[1] |= (mask << 24);
+ pc->p->cfg.fp.map[0] = 0x04040404 * fcrd;
+ }
+ pc->p->cfg.fp.map[0] += 0x03020100;
- for (i = 0; i < pc->attr_nr; i++) {
- struct nv50_reg *a = &pc->attr[i*4];
+ /* should do MAD fcrd.xy, fcrd, SOME_CONST, fcrd */
- for (c = 0; c < 4; c++) {
- if (pc->p->type == PIPE_SHADER_FRAGMENT) {
- struct nv50_reg *at =
- alloc_temp(pc, NULL);
- pc->attr[i*4+c].type = at->type;
- pc->attr[i*4+c].hw = at->hw;
- pc->attr[i*4+c].index = at->index;
+ if (perspect_loads) {
+ pc->iv_p = alloc_temp(pc, NULL);
+
+ if (!(pc->p->cfg.fp.regs[1] & 0x08000000)) {
+ pc->p->cfg.fp.regs[1] |= 0x08000000;
+ pc->iv_p->rhw = aid++;
+ emit_interp(pc, pc->iv_p, NULL,
+ INTERP_LINEAR);
+ emit_flop(pc, 0, pc->iv_p, pc->iv_p);
} else {
- pc->p->cfg.vp.attr[aid/32] |=
- (1 << (aid % 32));
- pc->attr[i*4+c].type = P_ATTR;
- pc->attr[i*4+c].hw = aid++;
- pc->attr[i*4+c].index = i;
+ pc->iv_p->rhw = aid - 1;
+ emit_flop(pc, 0, pc->iv_p,
+ &pc->attr[fcrd * 4 + 3]);
}
}
- if (pc->p->type != PIPE_SHADER_FRAGMENT)
- continue;
+ if (centroid_loads) {
+ pc->iv_c = alloc_temp(pc, NULL);
+ pc->iv_c->rhw = pc->iv_p ? aid - 1 : aid++;
+ emit_interp(pc, pc->iv_c, NULL,
+ INTERP_CENTROID);
+ emit_flop(pc, 0, pc->iv_c, pc->iv_c);
+ pc->p->cfg.fp.regs[1] |= 0x08000000;
+ }
- emit_interp(pc, &a[0], &a[0], iv);
- emit_interp(pc, &a[1], &a[1], iv);
- emit_interp(pc, &a[2], &a[2], iv);
- emit_interp(pc, &a[3], &a[3], iv);
- }
+ for (c = 0; c < 4; c++) {
+ /* I don't know what these values do, but
+ * let's set them like the blob does:
+ */
+ if (fcol != 0xffff && r_usage[1][fcol * 4 + c])
+ pc->p->cfg.fp.regs[0] += 0x00010000;
+ if (bcol != 0xffff && r_usage[1][bcol * 4 + c])
+ pc->p->cfg.fp.regs[0] += 0x00010000;
+ }
- if (iv)
- free_temp(pc, iv);
+ for (i = 0; i < pc->attr_nr; i++)
+ load_fp_attrib(pc, i, r_usage[1],
+ &mid, &aid, &oid);
+
+ if (pc->iv_p)
+ free_temp(pc, pc->iv_p);
+ if (pc->iv_c)
+ free_temp(pc, pc->iv_c);
+
+ pc->p->cfg.fp.high_map = (mid / 4);
+ pc->p->cfg.fp.high_map += ((mid % 4) ? 1 : 0);
+ } else {
+ /* vertex program */
+ for (i = 0; i < pc->attr_nr * 4; i++) {
+ pc->p->cfg.vp.attr[aid / 32] |=
+ (1 << (aid % 32));
+ pc->attr[i].type = P_ATTR;
+ pc->attr[i].hw = aid++;
+ pc->attr[i].index = i / 4;
+ }
+ }
}
if (pc->result_nr) {
@@ -1430,12 +2030,20 @@ nv50_program_tx_prep(struct nv50_pc *pc)
if (pc->p->type == PIPE_SHADER_FRAGMENT) {
pc->result[i*4+c].type = P_TEMP;
pc->result[i*4+c].hw = -1;
+ pc->result[i*4+c].rhw = (i == depr) ?
+ -1 : rid++;
} else {
pc->result[i*4+c].type = P_RESULT;
pc->result[i*4+c].hw = rid++;
}
pc->result[i*4+c].index = i;
}
+
+ if (pc->p->type == PIPE_SHADER_FRAGMENT &&
+ depr != 0xffff) {
+ pc->result[depr * 4 + 2].rhw =
+ (pc->result_nr - 1) * 4;
+ }
}
}
@@ -1456,7 +2064,7 @@ nv50_program_tx_prep(struct nv50_pc *pc)
}
if (pc->immd_nr) {
- int rid = pc->param_nr * 4;
+ int rid = 0;
pc->immd = CALLOC(pc->immd_nr * 4, sizeof(struct nv50_reg));
if (!pc->immd)
@@ -1473,15 +2081,38 @@ nv50_program_tx_prep(struct nv50_pc *pc)
ret = TRUE;
out_err:
+ if (r_usage[0])
+ FREE(r_usage[0]);
+ if (r_usage[1])
+ FREE(r_usage[1]);
+
tgsi_parse_free(&p);
return ret;
}
+static void
+free_nv50_pc(struct nv50_pc *pc)
+{
+ if (pc->immd)
+ FREE(pc->immd);
+ if (pc->param)
+ FREE(pc->param);
+ if (pc->result)
+ FREE(pc->result);
+ if (pc->attr)
+ FREE(pc->attr);
+ if (pc->temp)
+ FREE(pc->temp);
+
+ FREE(pc);
+}
+
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);
@@ -1498,10 +2129,16 @@ nv50_program_tx(struct nv50_program *p)
while (!tgsi_parse_end_of_tokens(&parse)) {
const union tgsi_full_token *tok = &parse.FullToken;
+ /* don't allow half insn/immd on first and last instruction */
+ pc->allow32 = TRUE;
+ if (pc->insn_cur == 0 || pc->insn_cur + 2 == pc->insn_nr)
+ pc->allow32 = FALSE;
+
tgsi_parse_token(&parse);
switch (tok->Token.Type) {
case TGSI_TOKEN_TYPE_INSTRUCTION:
+ ++pc->insn_cur;
ret = nv50_program_tx_insn(pc, tok);
if (ret == FALSE)
goto out_err;
@@ -1515,8 +2152,40 @@ nv50_program_tx(struct nv50_program *p)
struct nv50_reg out;
out.type = P_TEMP;
- for (out.hw = 0; out.hw < pc->result_nr * 4; out.hw++)
- emit_mov(pc, &out, &pc->result[out.hw]);
+ 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);
}
assert(is_long(pc->p->exec_tail) && !is_immd(pc->p->exec_head));
@@ -1530,6 +2199,7 @@ out_err:
tgsi_parse_free(&parse);
out_cleanup:
+ free_nv50_pc(pc);
return ret;
}
@@ -1543,16 +2213,16 @@ nv50_program_validate(struct nv50_context *nv50, struct nv50_program *p)
static void
nv50_program_upload_data(struct nv50_context *nv50, float *map,
- unsigned start, unsigned count)
+ unsigned start, unsigned count, unsigned cbuf)
{
- struct nouveau_channel *chan = nv50->screen->nvws->channel;
+ struct nouveau_channel *chan = nv50->screen->base.channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
while (count) {
unsigned nr = count > 2047 ? 2047 : count;
BEGIN_RING(chan, tesla, 0x00000f00, 1);
- OUT_RING (chan, (NV50_CB_PMISC << 0) | (start << 8));
+ OUT_RING (chan, (cbuf << 0) | (start << 8));
BEGIN_RING(chan, tesla, 0x40000f04, nr);
OUT_RINGp (chan, map, nr);
@@ -1565,70 +2235,93 @@ nv50_program_upload_data(struct nv50_context *nv50, float *map,
static void
nv50_program_validate_data(struct nv50_context *nv50, struct nv50_program *p)
{
- struct nouveau_winsys *nvws = nv50->screen->nvws;
- struct pipe_winsys *ws = nv50->pipe.winsys;
- unsigned nr = p->param_nr + p->immd_nr;
+ struct pipe_screen *pscreen = nv50->pipe.screen;
- if (!p->data && nr) {
- struct nouveau_resource *heap = nv50->screen->vp_data_heap;
+ if (!p->data[0] && p->immd_nr) {
+ struct nouveau_resource *heap = nv50->screen->immd_heap[0];
- if (nvws->res_alloc(heap, nr, p, &p->data)) {
- while (heap->next && heap->size < nr) {
+ if (nouveau_resource_alloc(heap, p->immd_nr, p, &p->data[0])) {
+ while (heap->next && heap->size < p->immd_nr) {
struct nv50_program *evict = heap->next->priv;
- nvws->res_free(&evict->data);
+ nouveau_resource_free(&evict->data[0]);
}
- if (nvws->res_alloc(heap, nr, p, &p->data))
+ if (nouveau_resource_alloc(heap, p->immd_nr, p,
+ &p->data[0]))
assert(0);
}
+
+ /* immediates only need to be uploaded again when freed */
+ nv50_program_upload_data(nv50, p->immd, p->data[0]->start,
+ p->immd_nr, NV50_CB_PMISC);
}
- if (p->param_nr) {
- float *map = ws->buffer_map(ws, nv50->constbuf[p->type],
- PIPE_BUFFER_USAGE_CPU_READ);
- nv50_program_upload_data(nv50, map, p->data->start,
- p->param_nr);
- ws->buffer_unmap(ws, nv50->constbuf[p->type]);
+ if (!p->data[1] && p->param_nr) {
+ struct nouveau_resource *heap =
+ nv50->screen->parm_heap[p->type];
+
+ if (nouveau_resource_alloc(heap, p->param_nr, p, &p->data[1])) {
+ while (heap->next && heap->size < p->param_nr) {
+ struct nv50_program *evict = heap->next->priv;
+ nouveau_resource_free(&evict->data[1]);
+ }
+
+ if (nouveau_resource_alloc(heap, p->param_nr, p,
+ &p->data[1]))
+ assert(0);
+ }
}
- if (p->immd_nr) {
- nv50_program_upload_data(nv50, p->immd,
- p->data->start + p->param_nr,
- p->immd_nr);
+ if (p->param_nr) {
+ unsigned cbuf = NV50_CB_PVP;
+ float *map = pipe_buffer_map(pscreen, nv50->constbuf[p->type],
+ PIPE_BUFFER_USAGE_CPU_READ);
+ if (p->type == PIPE_SHADER_FRAGMENT)
+ cbuf = NV50_CB_PFP;
+ nv50_program_upload_data(nv50, map, p->data[1]->start,
+ p->param_nr, cbuf);
+ pipe_buffer_unmap(pscreen, nv50->constbuf[p->type]);
}
}
static void
nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p)
{
- struct nouveau_channel *chan = nv50->screen->nvws->channel;
+ struct nouveau_channel *chan = nv50->screen->base.channel;
struct nouveau_grobj *tesla = nv50->screen->tesla;
- struct pipe_screen *screen = nv50->pipe.screen;
struct nv50_program_exec *e;
struct nouveau_stateobj *so;
const unsigned flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_WR;
unsigned start, count, *up, *ptr;
boolean upload = FALSE;
- if (!p->buffer) {
- p->buffer = screen->buffer_create(screen, 0x100, 0, p->exec_size * 4);
+ if (!p->bo) {
+ nouveau_bo_new(chan->device, NOUVEAU_BO_VRAM, 0x100,
+ p->exec_size * 4, &p->bo);
upload = TRUE;
}
- if (p->data && p->data->start != p->data_start) {
+ if ((p->data[0] && p->data[0]->start != p->data_start[0]) ||
+ (p->data[1] && p->data[1]->start != p->data_start[1])) {
for (e = p->exec_head; e; e = e->next) {
- unsigned ei, ci;
+ 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 + p->data->start;
+ ci = e->param.index + p->data[bs]->start;
e->inst[ei] &= ~e->param.mask;
e->inst[ei] |= (ci << e->param.shift);
}
- p->data_start = p->data->start;
+ if (p->data[0])
+ p->data_start[0] = p->data[0]->start;
+ if (p->data[1])
+ p->data_start[1] = p->data[1]->start;
+
upload = TRUE;
}
@@ -1637,13 +2330,11 @@ nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p)
#ifdef NV50_PROGRAM_DUMP
NOUVEAU_ERR("-------\n");
- up = ptr = MALLOC(p->exec_size * 4);
for (e = p->exec_head; e; e = e->next) {
NOUVEAU_ERR("0x%08x\n", e->inst[0]);
if (is_long(e))
NOUVEAU_ERR("0x%08x\n", e->inst[1]);
}
-
#endif
up = ptr = MALLOC(p->exec_size * 4);
@@ -1655,20 +2346,20 @@ nv50_program_validate_code(struct nv50_context *nv50, struct nv50_program *p)
so = so_new(4,2);
so_method(so, nv50->screen->tesla, 0x1280, 3);
- so_reloc (so, p->buffer, 0, flags | NOUVEAU_BO_HIGH, 0, 0);
- so_reloc (so, p->buffer, 0, flags | NOUVEAU_BO_LOW, 0, 0);
+ 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_winsys *nvws = nv50->screen->nvws;
+ struct nouveau_channel *chan = nv50->screen->base.channel;
unsigned nr;
- so_emit(nvws, so);
+ so_emit(chan, so);
nr = MIN2(count, 2047);
- nr = MIN2(nvws->channel->pushbuf->remaining, nr);
- if (nvws->channel->pushbuf->remaining < (nr + 3)) {
+ nr = MIN2(chan->pushbuf->remaining, nr);
+ if (chan->pushbuf->remaining < (nr + 3)) {
FIRE_RING(chan);
continue;
}
@@ -1704,10 +2395,10 @@ nv50_vertprog_validate(struct nv50_context *nv50)
so = so_new(13, 2);
so_method(so, tesla, NV50TCL_VP_ADDRESS_HIGH, 2);
- so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
- NOUVEAU_BO_HIGH, 0, 0);
- so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
- NOUVEAU_BO_LOW, 0, 0);
+ so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
+ NOUVEAU_BO_HIGH, 0, 0);
+ so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
+ NOUVEAU_BO_LOW, 0, 0);
so_method(so, tesla, 0x1650, 2);
so_data (so, p->cfg.vp.attr[0]);
so_data (so, p->cfg.vp.attr[1]);
@@ -1728,6 +2419,7 @@ nv50_fragprog_validate(struct nv50_context *nv50)
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct nv50_program *p = nv50->fragprog;
struct nouveau_stateobj *so;
+ unsigned i;
if (!p->translated) {
nv50_program_validate(nv50, p);
@@ -1740,22 +2432,27 @@ nv50_fragprog_validate(struct nv50_context *nv50)
so = so_new(64, 2);
so_method(so, tesla, NV50TCL_FP_ADDRESS_HIGH, 2);
- so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
- NOUVEAU_BO_HIGH, 0, 0);
- so_reloc (so, p->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
- NOUVEAU_BO_LOW, 0, 0);
+ so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
+ NOUVEAU_BO_HIGH, 0, 0);
+ so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
+ NOUVEAU_BO_LOW, 0, 0);
so_method(so, tesla, 0x1904, 4);
- so_data (so, 0x00040404); /* p: 0x01000404 */
+ so_data (so, p->cfg.fp.regs[0]); /* 0x01000404 / 0x00040404 */
so_data (so, 0x00000004);
so_data (so, 0x00000000);
so_data (so, 0x00000000);
- so_method(so, tesla, 0x16bc, 3); /*XXX: fixme */
- so_data (so, 0x03020100);
- so_data (so, 0x07060504);
- so_data (so, 0x0b0a0908);
+ so_method(so, tesla, 0x16bc, p->cfg.fp.high_map);
+ for (i = 0; i < p->cfg.fp.high_map; i++)
+ so_data(so, p->cfg.fp.map[i]);
so_method(so, tesla, 0x1988, 2);
- so_data (so, 0x08080408); //0x08040404); /* p: 0x0f000401 */
+ so_data (so, p->cfg.fp.regs[1]); /* 0x08040404 / 0x0f000401 */
so_data (so, p->cfg.high_temp);
+ so_method(so, tesla, 0x1298, 1);
+ so_data (so, p->cfg.high_result);
+ so_method(so, tesla, 0x19a8, 1);
+ so_data (so, p->cfg.fp.regs[2]);
+ so_method(so, tesla, 0x196c, 1);
+ so_data (so, p->cfg.fp.regs[3]);
so_method(so, tesla, 0x1414, 1);
so_data (so, 0); /* program start offset */
so_ref(so, &nv50->state.fragprog);
@@ -1765,8 +2462,6 @@ nv50_fragprog_validate(struct nv50_context *nv50)
void
nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p)
{
- struct pipe_screen *pscreen = nv50->pipe.screen;
-
while (p->exec_head) {
struct nv50_program_exec *e = p->exec_head;
@@ -1776,10 +2471,10 @@ nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p)
p->exec_tail = NULL;
p->exec_size = 0;
- if (p->buffer)
- pipe_buffer_reference(&p->buffer, NULL);
+ nouveau_bo_ref(NULL, &p->bo);
- nv50->screen->nvws->res_free(&p->data);
+ nouveau_resource_free(&p->data[0]);
+ nouveau_resource_free(&p->data[1]);
p->translated = 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 11:53:37 +0000