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/*
* Copyright 2008 Ben Skeggs
* Copyright 2010 Christoph Bumiller
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "nv50_context.h"
void
nv50_constbufs_validate(struct nv50_context *nv50)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
unsigned s;
for (s = 0; s < 3; ++s) {
struct nv04_resource *res;
int i;
unsigned p, b;
if (s == PIPE_SHADER_FRAGMENT)
p = NV50_3D_SET_PROGRAM_CB_PROGRAM_FRAGMENT;
else
if (s == PIPE_SHADER_GEOMETRY)
p = NV50_3D_SET_PROGRAM_CB_PROGRAM_GEOMETRY;
else
p = NV50_3D_SET_PROGRAM_CB_PROGRAM_VERTEX;
while (nv50->constbuf_dirty[s]) {
struct nouveau_bo *bo;
unsigned start = 0;
unsigned words = 0;
i = ffs(nv50->constbuf_dirty[s]) - 1;
nv50->constbuf_dirty[s] &= ~(1 << i);
res = nv04_resource(nv50->constbuf[s][i]);
if (!res) {
if (i != 0) {
BEGIN_RING(chan, RING_3D(SET_PROGRAM_CB), 1);
OUT_RING (chan, (i << 8) | p | 0);
}
continue;
}
if (i == 0) {
b = NV50_CB_PVP + s;
/* always upload GL uniforms through CB DATA */
bo = nv50->screen->uniforms;
words = res->base.width0 / 4;
} else {
b = s * 16 + i;
assert(0);
if (!nouveau_resource_mapped_by_gpu(&res->base)) {
nouveau_buffer_migrate(&nv50->base, res, NOUVEAU_BO_VRAM);
BEGIN_RING(chan, RING_3D(CODE_CB_FLUSH), 1);
OUT_RING (chan, 0);
}
MARK_RING (chan, 6, 2);
BEGIN_RING(chan, RING_3D(CB_DEF_ADDRESS_HIGH), 3);
OUT_RESRCh(chan, res, 0, NOUVEAU_BO_RD);
OUT_RESRCl(chan, res, 0, NOUVEAU_BO_RD);
OUT_RING (chan, (b << 16) | (res->base.width0 & 0xffff));
BEGIN_RING(chan, RING_3D(SET_PROGRAM_CB), 1);
OUT_RING (chan, (b << 12) | (i << 8) | p | 1);
bo = res->bo;
nv50_bufctx_add_resident(nv50, NV50_BUFCTX_CONSTANT, res,
res->domain | NOUVEAU_BO_RD);
}
if (words) {
MARK_RING(chan, 8, 1);
nouveau_bo_validate(chan, bo, res->domain | NOUVEAU_BO_WR);
}
while (words) {
unsigned nr = AVAIL_RING(chan);
if (nr < 16) {
FIRE_RING(chan);
nouveau_bo_validate(chan, bo, res->domain | NOUVEAU_BO_WR);
continue;
}
nr = MIN2(MIN2(nr - 3, words), NV04_PFIFO_MAX_PACKET_LEN);
BEGIN_RING(chan, RING_3D(CB_ADDR), 1);
OUT_RING (chan, (start << 8) | b);
BEGIN_RING_NI(chan, RING_3D(CB_DATA(0)), nr);
OUT_RINGp (chan, &res->data[start * 4], nr);
start += nr;
words -= nr;
}
}
}
}
static boolean
nv50_program_validate(struct nv50_context *nv50, struct nv50_program *prog)
{
struct nouveau_resource *heap;
int ret;
unsigned size;
if (prog->translated)
return TRUE;
prog->translated = nv50_program_translate(prog);
if (!prog->translated)
return FALSE;
if (prog->type == PIPE_SHADER_FRAGMENT) heap = nv50->screen->fp_code_heap;
if (prog->type == PIPE_SHADER_GEOMETRY) heap = nv50->screen->gp_code_heap;
else
heap = nv50->screen->vp_code_heap;
size = align(prog->code_size, 0x100);
ret = nouveau_resource_alloc(heap, size, prog, &prog->res);
if (ret)
return FALSE;
prog->code_base = prog->res->start;
nv50_relocate_program(prog, prog->code_base, 0);
nv50_sifc_linear_u8(&nv50->base, nv50->screen->code,
(prog->type << 16) + prog->code_base,
NOUVEAU_BO_VRAM, prog->code_size, prog->code);
BEGIN_RING(nv50->screen->base.channel, RING_3D(CODE_CB_FLUSH), 1);
OUT_RING (nv50->screen->base.channel, 0);
return TRUE;
}
void
nv50_vertprog_validate(struct nv50_context *nv50)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
struct nv50_program *vp = nv50->vertprog;
if (!nv50_program_validate(nv50, vp))
return;
BEGIN_RING(chan, RING_3D(VP_ATTR_EN(0)), 2);
OUT_RING (chan, vp->vp.attrs[0]);
OUT_RING (chan, vp->vp.attrs[1]);
BEGIN_RING(chan, RING_3D(VP_REG_ALLOC_RESULT), 1);
OUT_RING (chan, vp->max_out);
BEGIN_RING(chan, RING_3D(VP_REG_ALLOC_TEMP), 1);
OUT_RING (chan, vp->max_gpr);
BEGIN_RING(chan, RING_3D(VP_START_ID), 1);
OUT_RING (chan, vp->code_base);
}
void
nv50_fragprog_validate(struct nv50_context *nv50)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
struct nv50_program *fp = nv50->fragprog;
if (!nv50_program_validate(nv50, fp))
return;
BEGIN_RING(chan, RING_3D(FP_REG_ALLOC_TEMP), 1);
OUT_RING (chan, fp->max_gpr);
BEGIN_RING(chan, RING_3D(FP_RESULT_COUNT), 1);
OUT_RING (chan, fp->max_out);
BEGIN_RING(chan, RING_3D(FP_CONTROL), 1);
OUT_RING (chan, fp->fp.flags[0]);
BEGIN_RING(chan, RING_3D(FP_CTRL_UNK196C), 1);
OUT_RING (chan, fp->fp.flags[1]);
BEGIN_RING(chan, RING_3D(FP_START_ID), 1);
OUT_RING (chan, fp->code_base);
}
void
nv50_gmtyprog_validate(struct nv50_context *nv50)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
struct nv50_program *gp = nv50->vertprog;
if (!nv50_program_validate(nv50, gp))
return;
BEGIN_RING(chan, RING_3D(GP_REG_ALLOC_TEMP), 1);
OUT_RING (chan, gp->max_gpr);
BEGIN_RING(chan, RING_3D(GP_REG_ALLOC_RESULT), 1);
OUT_RING (chan, gp->max_out);
BEGIN_RING(chan, RING_3D(GP_OUTPUT_PRIMITIVE_TYPE), 1);
OUT_RING (chan, gp->gp.prim_type);
BEGIN_RING(chan, RING_3D(GP_VERTEX_OUTPUT_COUNT), 1);
OUT_RING (chan, gp->gp.vert_count);
BEGIN_RING(chan, RING_3D(GP_START_ID), 1);
OUT_RING (chan, gp->code_base);
}
void
nv50_sprite_coords_validate(struct nv50_context *nv50)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
uint32_t pntc[8], mode;
struct nv50_program *fp = nv50->fragprog;
unsigned i, c;
unsigned m = (nv50->state.interpolant_ctrl >> 8) & 0xff;
if (!nv50->rast->pipe.point_quad_rasterization) {
if (nv50->state.point_sprite) {
BEGIN_RING(chan, RING_3D(POINT_COORD_REPLACE_MAP(0)), 1);
for (i = 0; i < 8; ++i)
OUT_RING(chan, 0);
nv50->state.point_sprite = FALSE;
}
return;
} else {
nv50->state.point_sprite = TRUE;
}
memset(pntc, 0, sizeof(pntc));
for (i = 0; i < fp->in_nr; i++) {
unsigned n = util_bitcount(fp->in[i].mask);
if (fp->in[i].sn != TGSI_SEMANTIC_GENERIC) {
m += n;
continue;
}
if (!(nv50->rast->pipe.sprite_coord_enable & (1 << fp->in[i].si))) {
m += n;
continue;
}
for (c = 0; c < 4; ++c) {
if (fp->in[i].mask & (1 << c)) {
pntc[m / 8] |= (c + 1) << ((m % 8) * 4);
++m;
}
}
}
if (nv50->rast->pipe.sprite_coord_mode == PIPE_SPRITE_COORD_LOWER_LEFT)
mode = 0x00;
else
mode = 0x10;
BEGIN_RING(chan, RING_3D(POINT_SPRITE_CTRL), 1);
OUT_RING (chan, mode);
BEGIN_RING(chan, RING_3D(POINT_COORD_REPLACE_MAP(0)), 1);
OUT_RINGp (chan, pntc, 8);
}
static int
nv50_vec4_map(uint8_t *map, int mid, uint32_t lin[4],
struct nv50_varying *in, struct nv50_varying *out)
{
int c;
uint8_t mv = out->mask, mf = in->mask, oid = out->hw;
for (c = 0; c < 4; ++c) {
if (mf & 1) {
if (in->linear)
lin[mid / 32] |= 1 << (mid % 32);
if (mv & 1)
map[mid] = oid;
else
if (c == 3)
map[mid] |= 1;
++mid;
}
oid += mv & 1;
mf >>= 1;
mv >>= 1;
}
return mid;
}
void
nv50_fp_linkage_validate(struct nv50_context *nv50)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
struct nv50_program *vp = nv50->gmtyprog ? nv50->gmtyprog : nv50->vertprog;
struct nv50_program *fp = nv50->fragprog;
struct nv50_varying dummy;
int i, n, c, m;
uint32_t primid = 0;
uint32_t psiz = 0x000;
uint32_t interp = fp->fp.interp;
uint32_t colors = fp->fp.colors;
uint32_t lin[4];
uint8_t map[64];
memset(lin, 0x00, sizeof(lin));
/* XXX: in buggy-endian mode, is the first element of map (u32)0x000000xx
* or is it the first byte ?
*/
memset(map, nv50->gmtyprog ? 0x80 : 0x40, sizeof(map));
dummy.mask = 0xf; /* map all components of HPOS */
dummy.linear = 0;
m = nv50_vec4_map(map, 0, lin, &dummy, &vp->out[0]);
for (c = 0; c < vp->vp.clpd_nr; ++c)
map[m++] |= vp->vp.clpd + c;
colors |= m << 8; /* adjust BFC0 id */
/* if light_twoside is active, FFC0_ID == BFC0_ID is invalid */
if (nv50->rast->pipe.light_twoside) {
for (i = 0; i < 2; ++i)
m = nv50_vec4_map(map, m, lin,
&fp->in[fp->vp.bfc[i]], &vp->out[vp->vp.bfc[i]]);
}
colors += m - 4; /* adjust FFC0 id */
interp |= m << 8; /* set map id where 'normal' FP inputs start */
dummy.mask = 0x0;
for (i = 0; i < fp->in_nr; ++i) {
for (n = 0; n < vp->out_nr; ++n)
if (vp->out[n].sn == fp->in[i].sn &&
vp->out[n].si == fp->in[i].si)
break;
m = nv50_vec4_map(map, m, lin,
&fp->in[i], (n < vp->out_nr) ? &vp->out[n] : &dummy);
}
/* PrimitiveID either is replaced by the system value, or
* written by the geometry shader into an output register
*/
if (fp->gp.primid < 0x40) {
primid = m;
map[m++] = vp->gp.primid;
}
if (nv50->rast->pipe.point_size_per_vertex) {
psiz = (m << 4) | 1;
map[m++] = vp->vp.psiz;
}
n = (m + 3) / 4;
assert(m <= 64);
if (unlikely(nv50->gmtyprog)) {
BEGIN_RING(chan, RING_3D(GP_RESULT_MAP_SIZE), 1);
OUT_RING (chan, m);
BEGIN_RING(chan, RING_3D(GP_RESULT_MAP(0)), n);
OUT_RINGp (chan, map, n);
} else {
BEGIN_RING(chan, RING_3D(VP_GP_BUILTIN_ATTR_EN), 1);
OUT_RING (chan, vp->vp.attrs[2]);
BEGIN_RING(chan, RING_3D(MAP_SEMANTIC_4), 1);
OUT_RING (chan, primid);
BEGIN_RING(chan, RING_3D(VP_RESULT_MAP_SIZE), 1);
OUT_RING (chan, m);
BEGIN_RING(chan, RING_3D(VP_RESULT_MAP(0)), n);
OUT_RINGp (chan, map, n);
}
BEGIN_RING(chan, RING_3D(MAP_SEMANTIC_0), 4);
OUT_RING (chan, colors);
OUT_RING (chan, (vp->vp.clpd_nr << 8) | 4);
OUT_RING (chan, 0);
OUT_RING (chan, psiz);
BEGIN_RING(chan, RING_3D(FP_INTERPOLANT_CTRL), 1);
OUT_RING (chan, interp);
nv50->state.interpolant_ctrl = interp;
BEGIN_RING(chan, RING_3D(NOPERSPECTIVE_BITMAP(0)), 4);
OUT_RINGp (chan, lin, 4);
BEGIN_RING(chan, RING_3D(GP_ENABLE), 1);
OUT_RING (chan, nv50->gmtyprog ? 1 : 0);
}
static int
nv50_vp_gp_mapping(uint8_t *map, int m,
struct nv50_program *vp, struct nv50_program *gp)
{
int i, j, c;
for (i = 0; i < gp->in_nr; ++i) {
uint8_t oid = 0, mv = 0, mg = gp->in[i].mask;
for (j = 0; j < vp->out_nr; ++j) {
if (vp->out[j].sn == gp->in[i].sn &&
vp->out[j].si == gp->in[i].si) {
mv = vp->out[j].mask;
oid = vp->out[j].hw;
break;
}
}
for (c = 0; c < 4; ++c, mv >>= 1, mg >>= 1) {
if (mg & mv & 1)
map[m++] = oid;
else
if (mg & 1)
map[m++] = (c == 3) ? 0x41 : 0x40;
oid += mv & 1;
}
}
return m;
}
void
nv50_gp_linkage_validate(struct nv50_context *nv50)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
struct nv50_program *vp = nv50->vertprog;
struct nv50_program *gp = nv50->gmtyprog;
int m = 0;
int n;
uint8_t map[64];
if (!gp)
return;
memset(map, 0, sizeof(map));
m = nv50_vp_gp_mapping(map, m, vp, gp);
n = (m + 3) / 4;
BEGIN_RING(chan, RING_3D(VP_GP_BUILTIN_ATTR_EN), 1);
OUT_RING (chan, vp->vp.attrs[2] | gp->vp.attrs[2]);
BEGIN_RING(chan, RING_3D(VP_RESULT_MAP_SIZE), 1);
OUT_RING (chan, m);
BEGIN_RING(chan, RING_3D(VP_RESULT_MAP(0)), n);
OUT_RINGp (chan, map, n);
}
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