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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.c422
1 files changed, 269 insertions, 153 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 7618ff3375..7bc8e13d2a 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -139,6 +139,14 @@ ctor_reg(struct nv50_reg *reg, unsigned type, int index, int hw)
reg->acc = 0;
}
+static INLINE unsigned
+popcnt4(uint32_t val)
+{
+ static const unsigned cnt[16]
+ = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 };
+ return cnt[val & 0xf];
+}
+
static void
alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg)
{
@@ -1975,59 +1983,48 @@ nv50_tgsi_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
return TRUE;
}
-static unsigned
-load_fp_attrib(struct nv50_pc *pc, int i, int *mid, int *aid, int *p_oid)
+static void
+load_interpolant(struct nv50_pc *pc, struct nv50_reg *reg)
{
- struct nv50_reg *iv;
- int oid, c, n;
- unsigned mask = 0;
+ struct nv50_reg *iv, **ppiv;
+ unsigned mode = pc->interp_mode[reg->index];
- iv = (pc->interp_mode[i] & INTERP_CENTROID) ? pc->iv_c : pc->iv_p;
+ ppiv = (mode & INTERP_CENTROID) ? &pc->iv_c : &pc->iv_p;
+ iv = *ppiv;
- for (c = 0, n = i * 4; c < 4; c++, n++) {
- oid = (*p_oid)++;
+ if ((mode & INTERP_PERSPECTIVE) && !iv) {
+ iv = *ppiv = alloc_temp(pc, NULL);
+ iv->rhw = popcnt4(pc->p->cfg.regs[1] >> 24) - 1;
- if (!pc->attr[n].acc)
- continue;
- mask |= (1 << c);
-
- alloc_reg(pc, &pc->attr[n]);
-
- pc->attr[n].rhw = (*aid)++;
- emit_interp(pc, &pc->attr[n], iv, pc->interp_mode[i]);
+ emit_interp(pc, iv, NULL, mode & INTERP_CENTROID);
+ emit_flop(pc, 0, iv, iv);
- pc->p->cfg.fp.map[(*mid) / 4] |= oid << (8 * ((*mid) % 4));
- (*mid)++;
- pc->p->cfg.fp.regs[1] += 0x00010001;
+ /* XXX: when loading interpolants dynamically, move these
+ * to the program head, or make sure it can't be skipped.
+ */
}
- return mask;
+ emit_interp(pc, reg, iv, mode);
}
static boolean
nv50_program_tx_prep(struct nv50_pc *pc)
{
- struct tgsi_parse_context p;
+ struct tgsi_parse_context tp;
+ struct nv50_program *p = pc->p;
boolean ret = FALSE;
- unsigned i, c;
- unsigned fcol, bcol, fcrd;
-
- /* count (centroid) perspective interpolations */
- unsigned centroid_loads = 0;
- unsigned perspect_loads = 0;
-
- fcol = bcol = fcrd = ~0;
+ unsigned i, c, flat_nr = 0;
- tgsi_parse_init(&p, pc->p->pipe.tokens);
- while (!tgsi_parse_end_of_tokens(&p)) {
- const union tgsi_full_token *tok = &p.FullToken;
+ tgsi_parse_init(&tp, pc->p->pipe.tokens);
+ while (!tgsi_parse_end_of_tokens(&tp)) {
+ const union tgsi_full_token *tok = &tp.FullToken;
- tgsi_parse_token(&p);
+ tgsi_parse_token(&tp);
switch (tok->Token.Type) {
case TGSI_TOKEN_TYPE_IMMEDIATE:
{
const struct tgsi_full_immediate *imm =
- &p.FullToken.FullImmediate;
+ &tp.FullToken.FullImmediate;
ctor_immd(pc, imm->u[0].Float,
imm->u[1].Float,
@@ -2038,9 +2035,9 @@ nv50_program_tx_prep(struct nv50_pc *pc)
case TGSI_TOKEN_TYPE_DECLARATION:
{
const struct tgsi_full_declaration *d;
- unsigned last, first, mode;
+ unsigned si, last, first, mode;
- d = &p.FullToken.FullDeclaration;
+ d = &tp.FullToken.FullDeclaration;
first = d->DeclarationRange.First;
last = d->DeclarationRange.Last;
@@ -2048,43 +2045,41 @@ nv50_program_tx_prep(struct nv50_pc *pc)
case TGSI_FILE_TEMPORARY:
break;
case TGSI_FILE_OUTPUT:
+ if (!d->Declaration.Semantic ||
+ p->type == PIPE_SHADER_FRAGMENT)
+ break;
+
+ si = d->Semantic.SemanticIndex;
+ switch (d->Semantic.SemanticName) {
+ /*
+ case TGSI_SEMANTIC_CLIP_DISTANCE:
+ p->cfg.clpd = MIN2(p->cfg.clpd, first);
+ break;
+ */
+ default:
+ break;
+ }
break;
case TGSI_FILE_INPUT:
{
- if (pc->p->type != PIPE_SHADER_FRAGMENT)
+ if (p->type != PIPE_SHADER_FRAGMENT)
break;
switch (d->Declaration.Interpolate) {
case TGSI_INTERPOLATE_CONSTANT:
mode = INTERP_FLAT;
+ flat_nr++;
break;
case TGSI_INTERPOLATE_PERSPECTIVE:
mode = INTERP_PERSPECTIVE;
+ p->cfg.regs[1] |= 0x08 << 24;
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;
- }
- }
-
- if (d->Declaration.Centroid) {
+ 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++)
@@ -2111,92 +2106,117 @@ nv50_program_tx_prep(struct nv50_pc *pc)
}
}
- if (pc->attr_nr) {
- int oid = 4, mid = 4, aid = 0;
- /* oid = VP output id
- * aid = FP attribute/interpolant id
- * mid = VP output mapping field ID
- */
- if (pc->p->type == PIPE_SHADER_FRAGMENT) {
- /* position should be loaded first */
- if (fcrd < 0x40) {
- unsigned mask;
- mid = 0;
- mask = load_fp_attrib(pc, fcrd, &mid, &aid,
- &oid);
- pc->p->cfg.fp.regs[1] |= (mask << 24);
- pc->p->cfg.fp.map[0] += 0x04040404 * fcrd;
- }
+ if (p->type == PIPE_SHADER_VERTEX) {
+ int rid = 0;
- /* should do MAD fcrd.xy, fcrd, SOME_CONST, fcrd */
-
- 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->iv_p->rhw = aid - 1;
- emit_flop(pc, 0, pc->iv_p,
- &pc->attr[fcrd * 4 + 3]);
- }
+ for (i = 0; i < pc->attr_nr * 4; ++i) {
+ if (pc->attr[i].acc) {
+ pc->attr[i].hw = rid++;
+ p->cfg.attr[i / 32] |= 1 << (i % 32);
}
+ }
+
+ for (i = 0, rid = 0; i < pc->result_nr; ++i) {
+ p->cfg.io[i].hw = rid;
+ p->cfg.io[i].id_vp = i;
- 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;
+ for (c = 0; c < 4; ++c) {
+ int n = i * 4 + c;
+ if (!pc->result[n].acc)
+ continue;
+ pc->result[n].hw = rid++;
+ p->cfg.io[i].mask |= 1 << c;
}
+ }
+ } else
+ if (p->type == PIPE_SHADER_FRAGMENT) {
+ int rid, aid;
+ unsigned n = 0, m = pc->attr_nr - flat_nr;
+
+ int base = (TGSI_SEMANTIC_POSITION ==
+ p->info.input_semantic_name[0]) ? 0 : 1;
- for (c = 0; c < 4; c++) {
- /* XXX: secondary colour, tbd */
- if (fcol < 0x40 && pc->attr[fcol * 4 + c].acc)
- pc->p->cfg.fp.regs[0] += 0x00010000;
+ /* non-flat interpolants have to be mapped to
+ * 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_PERSPECTIVE))
+ p->cfg.io[n].linear = TRUE;
+ p->cfg.io[n].id_vp = i + base;
+ p->cfg.io[n++].id_fp = i;
}
+ }
- for (i = ((fcrd < 0x40) ? 1 : 0); i < pc->attr_nr; i++)
- load_fp_attrib(pc, i, &mid, &aid, &oid);
+ if (!base) /* set w-coordinate mask from perspective interp */
+ p->cfg.io[0].mask |= p->cfg.regs[1] >> 24;
- if (pc->iv_p)
- free_temp(pc, pc->iv_p);
- if (pc->iv_c)
- free_temp(pc, pc->iv_c);
+ aid = popcnt4( /* if fcrd isn't contained in cfg.io */
+ base ? (p->cfg.regs[1] >> 24) : p->cfg.io[0].mask);
- 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].hw = aid++;
+ for (n = 0; n < pc->attr_nr; ++n) {
+ p->cfg.io[n].hw = rid = aid;
+ i = p->cfg.io[n].id_fp;
+
+ for (c = 0; c < 4; ++c) {
+ if (!pc->attr[i * 4 + c].acc)
+ continue;
+ pc->attr[i * 4 + c].rhw = rid++;
+ p->cfg.io[n].mask |= 1 << c;
+
+ load_interpolant(pc, &pc->attr[i * 4 + c]);
}
+ aid += popcnt4(p->cfg.io[n].mask);
}
- }
- if (pc->result_nr) {
- if (pc->p->type == PIPE_SHADER_VERTEX) {
- for (i = 0; i < pc->result_nr * 4; i++)
- pc->result[i].hw = i;
- } else {
- /* type == PIPE_SHADER_FRAGMENT
- * FragDepth is always first TGSI and last HW output
- */
- int rid = 0;
- i = pc->p->info.writes_z ? 4 : 0;
+ if (!base)
+ p->cfg.regs[1] |= p->cfg.io[0].mask << 24;
+
+ m = popcnt4(p->cfg.regs[1] >> 24);
+
+ /* set count of non-position inputs and of non-flat
+ * non-position inputs for FP_INTERPOLANT_CTRL
+ */
+ p->cfg.regs[1] |= aid - m;
+
+ if (flat_nr) {
+ i = p->cfg.io[pc->attr_nr - flat_nr].hw;
+ p->cfg.regs[1] |= (i - m) << 16;
+ } else
+ p->cfg.regs[1] |= p->cfg.regs[1] << 16;
+
+ /* mark color semantic for light-twoside */
+ n = 0x40;
+ for (i = 0; i < pc->attr_nr; i++) {
+ ubyte si, sn;
- for (; i < pc->result_nr * 4; i++)
- pc->result[i].rhw = rid++;
- if (pc->p->info.writes_z)
- pc->result[2].rhw = rid;
+ sn = p->info.input_semantic_name[p->cfg.io[i].id_fp];
+ si = p->info.input_semantic_index[p->cfg.io[i].id_fp];
+
+ if (sn == TGSI_SEMANTIC_COLOR) {
+ p->cfg.two_side[si] = p->cfg.io[i];
+
+ /* increase colour count */
+ p->cfg.regs[0] += popcnt4(
+ p->cfg.two_side[si].mask) << 16;
+
+ n = MIN2(n, p->cfg.io[i].hw - m);
+ }
}
+ if (n < 0x40)
+ p->cfg.regs[0] += n;
+
+ /* Initialize FP results:
+ * FragDepth is always first TGSI and last hw output
+ */
+ i = p->info.writes_z ? 4 : 0;
+ for (rid = 0; i < pc->result_nr * 4; i++)
+ pc->result[i].rhw = rid++;
+ if (p->info.writes_z)
+ pc->result[2].rhw = rid;
}
if (pc->immd_nr) {
@@ -2214,7 +2234,12 @@ nv50_program_tx_prep(struct nv50_pc *pc)
ret = TRUE;
out_err:
- tgsi_parse_free(&p);
+ if (pc->iv_p)
+ free_temp(pc, pc->iv_p);
+ if (pc->iv_c)
+ free_temp(pc, pc->iv_c);
+
+ tgsi_parse_free(&tp);
return ret;
}
@@ -2249,24 +2274,26 @@ ctor_nv50_pc(struct nv50_pc *pc, struct nv50_program *p)
p->cfg.high_temp = 4;
+ p->cfg.two_side[0].hw = 0x40;
+ p->cfg.two_side[1].hw = 0x40;
+
switch (p->type) {
case PIPE_SHADER_VERTEX:
+ p->cfg.clpd = 0x40;
+ p->cfg.io_nr = pc->result_nr;
break;
case PIPE_SHADER_FRAGMENT:
- p->cfg.fp.regs[0] = 0x01000404;
- p->cfg.fp.regs[1] = 0x00000400;
-
- p->cfg.fp.map[0] = 0x03020100;
- p->cfg.fp.high_map = 1;
-
rtype[0] = rtype[1] = P_TEMP;
+ p->cfg.regs[0] = 0x01000004;
+ p->cfg.io_nr = pc->attr_nr;
+
if (p->info.writes_z) {
- p->cfg.fp.regs[2] |= 0x00000100;
- p->cfg.fp.regs[3] |= 0x00000011;
+ p->cfg.regs[2] |= 0x00000100;
+ p->cfg.regs[3] |= 0x00000011;
}
if (p->info.uses_kill)
- p->cfg.fp.regs[2] |= 0x00100000;
+ p->cfg.regs[2] |= 0x00100000;
break;
}
@@ -2609,8 +2636,8 @@ nv50_vertprog_validate(struct nv50_context *nv50)
so_reloc (so, p->bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
NOUVEAU_BO_LOW, 0, 0);
so_method(so, tesla, NV50TCL_VP_ATTR_EN_0, 2);
- so_data (so, p->cfg.vp.attr[0]);
- so_data (so, p->cfg.vp.attr[1]);
+ so_data (so, p->cfg.attr[0]);
+ so_data (so, p->cfg.attr[1]);
so_method(so, tesla, NV50TCL_VP_REG_ALLOC_RESULT, 1);
so_data (so, p->cfg.high_result);
so_method(so, tesla, NV50TCL_VP_RESULT_MAP_SIZE, 2);
@@ -2628,7 +2655,6 @@ 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);
@@ -2645,29 +2671,119 @@ nv50_fragprog_validate(struct nv50_context *nv50)
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, NV50TCL_MAP_SEMANTIC_0, 4);
- 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, NV50TCL_VP_RESULT_MAP(0), 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, NV50TCL_FP_INTERPOLANT_CTRL, 2);
- so_data (so, p->cfg.fp.regs[1]); /* 0x08040404 / 0x0f000401 */
+ so_method(so, tesla, NV50TCL_FP_REG_ALLOC_TEMP, 1);
so_data (so, p->cfg.high_temp);
so_method(so, tesla, NV50TCL_FP_RESULT_COUNT, 1);
so_data (so, p->cfg.high_result);
so_method(so, tesla, NV50TCL_FP_CTRL_UNK19A8, 1);
- so_data (so, p->cfg.fp.regs[2]);
+ so_data (so, p->cfg.regs[2]);
so_method(so, tesla, NV50TCL_FP_CTRL_UNK196C, 1);
- so_data (so, p->cfg.fp.regs[3]);
+ so_data (so, p->cfg.regs[3]);
so_method(so, tesla, NV50TCL_FP_START_ID, 1);
so_data (so, 0); /* program start offset */
so_ref(so, &nv50->state.fragprog);
so_ref(NULL, &so);
}
+static int
+nv50_sreg4_map(uint32_t *p_map, int mid, uint32_t lin[4],
+ struct nv50_sreg4 *fpi, struct nv50_sreg4 *vpo)
+{
+ int c;
+ uint8_t mv = vpo->mask, mf = fpi->mask, oid = vpo->hw;
+ uint8_t *map = (uint8_t *)p_map;
+
+ for (c = 0; c < 4; ++c) {
+ if (mf & 1) {
+ if (fpi->linear == TRUE)
+ lin[mid / 32] |= 1 << (mid % 32);
+ map[mid++] = (mv & 1) ? oid : ((c == 3) ? 0x41 : 0x40);
+ }
+
+ oid += mv & 1;
+ mf >>= 1;
+ mv >>= 1;
+ }
+
+ return mid;
+}
+
+void
+nv50_linkage_validate(struct nv50_context *nv50)
+{
+ struct nouveau_grobj *tesla = nv50->screen->tesla;
+ struct nv50_program *vp = nv50->vertprog;
+ struct nv50_program *fp = nv50->fragprog;
+ struct nouveau_stateobj *so;
+ struct nv50_sreg4 dummy, *vpo;
+ int i, n, c, m = 0;
+ uint32_t map[16], lin[4], reg[5];
+
+ memset(map, 0, sizeof(map));
+ memset(lin, 0, sizeof(lin));
+
+ reg[1] = 0x00000004; /* low and high clip distance map ids */
+ reg[2] = 0x00000000; /* layer index map id (disabled, GP only) */
+ reg[3] = 0x00000000; /* point size map id & enable */
+ reg[0] = fp->cfg.regs[0]; /* colour semantic reg */
+ reg[4] = fp->cfg.regs[1]; /* interpolant info */
+
+ dummy.linear = FALSE;
+ dummy.mask = 0xf; /* map all components of HPOS */
+ m = nv50_sreg4_map(map, m, lin, &dummy, &vp->cfg.io[0]);
+
+ dummy.mask = 0x0;
+
+ if (vp->cfg.clpd < 0x40) {
+ for (c = 0; c < vp->cfg.clpd_nr; ++c)
+ map[m++] = vp->cfg.clpd + c;
+ reg[1] = (m << 8);
+ }
+
+ reg[0] |= m << 8; /* adjust BFC0 id */
+ 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];
+
+ m = nv50_sreg4_map(map, m, lin, &fp->cfg.io[i], vpo);
+ }
+
+ /* now fill the stateobj */
+ so = so_new(64, 0);
+
+ n = (m + 3) / 4;
+ so_method(so, tesla, NV50TCL_VP_RESULT_MAP_SIZE, 1);
+ so_data (so, m);
+ so_method(so, tesla, NV50TCL_VP_RESULT_MAP(0), n);
+ so_datap (so, map, n);
+
+ so_method(so, tesla, NV50TCL_MAP_SEMANTIC_0, 4);
+ so_datap (so, reg, 4);
+
+ so_method(so, tesla, NV50TCL_FP_INTERPOLANT_CTRL, 1);
+ so_data (so, reg[4]);
+
+ so_method(so, tesla, 0x1540, 4);
+ so_datap (so, lin, 4);
+
+ so_ref(so, &nv50->state.programs);
+ so_ref(NULL, &so);
+}
+
void
nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 05:26:40 +0000