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/*
* Copyright 2008 Ben Skeggs
*
* 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 "nv50_context.h"
#include "nv50_texture.h"
#include "nv50_resource.h"
#include "nouveau/nouveau_stateobj.h"
#include "nouveau/nouveau_reloc.h"
#include "util/u_format.h"
static INLINE uint32_t
nv50_tic_swizzle(uint32_t tc, unsigned swz)
{
switch (swz) {
case PIPE_SWIZZLE_RED:
return (tc & NV50TIC_0_0_MAPR_MASK) >> NV50TIC_0_0_MAPR_SHIFT;
case PIPE_SWIZZLE_GREEN:
return (tc & NV50TIC_0_0_MAPG_MASK) >> NV50TIC_0_0_MAPG_SHIFT;
case PIPE_SWIZZLE_BLUE:
return (tc & NV50TIC_0_0_MAPB_MASK) >> NV50TIC_0_0_MAPB_SHIFT;
case PIPE_SWIZZLE_ALPHA:
return (tc & NV50TIC_0_0_MAPA_MASK) >> NV50TIC_0_0_MAPA_SHIFT;
case PIPE_SWIZZLE_ONE:
return 7;
case PIPE_SWIZZLE_ZERO:
default:
return 0;
}
}
boolean
nv50_tex_construct(struct nv50_sampler_view *view)
{
const struct util_format_description *desc;
struct nv50_miptree *mt = nv50_miptree(view->pipe.texture);
uint32_t swz[4], *tic = view->tic;
tic[0] = nv50_format_table[view->pipe.format].tic;
swz[0] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_r);
swz[1] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_g);
swz[2] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_b);
swz[3] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_a);
view->tic[0] = (tic[0] & ~NV50TIC_0_0_SWIZZLE_MASK) |
(swz[0] << NV50TIC_0_0_MAPR_SHIFT) |
(swz[1] << NV50TIC_0_0_MAPG_SHIFT) |
(swz[2] << NV50TIC_0_0_MAPB_SHIFT) |
(swz[3] << NV50TIC_0_0_MAPA_SHIFT);
tic[2] = 0x50001000;
tic[2] |= ((mt->base.bo->tile_mode & 0x0f) << 22) |
((mt->base.bo->tile_mode & 0xf0) << 21);
desc = util_format_description(mt->base.base.format);
if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
tic[2] |= NV50TIC_0_2_COLORSPACE_SRGB;
switch (mt->base.base.target) {
case PIPE_TEXTURE_1D:
tic[2] |= NV50TIC_0_2_TARGET_1D;
break;
case PIPE_TEXTURE_2D:
tic[2] |= NV50TIC_0_2_TARGET_2D;
break;
case PIPE_TEXTURE_3D:
tic[2] |= NV50TIC_0_2_TARGET_3D;
break;
case PIPE_TEXTURE_CUBE:
tic[2] |= NV50TIC_0_2_TARGET_CUBE;
break;
default:
NOUVEAU_ERR("invalid texture target: %d\n",
mt->base.base.target);
return FALSE;
}
tic[3] = 0x00300000;
tic[4] = (1 << 31) | mt->base.base.width0;
tic[5] = (mt->base.base.last_level << 28) |
(mt->base.base.depth0 << 16) | mt->base.base.height0;
tic[6] = 0x03000000;
tic[7] = (view->pipe.last_level << 4) | view->pipe.first_level;
return TRUE;
}
static int
nv50_validate_textures(struct nv50_context *nv50, struct nouveau_stateobj *so,
unsigned p)
{
struct nouveau_grobj *eng2d = nv50->screen->eng2d;
struct nouveau_grobj *tesla = nv50->screen->tesla;
unsigned unit, j;
const unsigned rll = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_LOW;
const unsigned rlh = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD | NOUVEAU_BO_HIGH
| NOUVEAU_BO_OR;
nv50_so_init_sifc(nv50, so, nv50->screen->tic, NOUVEAU_BO_VRAM,
p * (32 * 8 * 4), nv50->sampler_view_nr[p] * 8 * 4);
for (unit = 0; unit < nv50->sampler_view_nr[p]; ++unit) {
struct nv50_sampler_view *view =
nv50_sampler_view(nv50->sampler_views[p][unit]);
so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), 8);
if (view) {
uint32_t tic2 = view->tic[2];
struct nv50_miptree *mt =
nv50_miptree(view->pipe.texture);
tic2 &= ~NV50TIC_0_2_NORMALIZED_COORDS;
if (nv50->sampler[p][unit]->normalized)
tic2 |= NV50TIC_0_2_NORMALIZED_COORDS;
view->tic[2] = tic2;
so_data (so, view->tic[0]);
so_reloc (so, mt->base.bo, 0, rll, 0, 0);
so_reloc (so, mt->base.bo, 0, rlh, tic2, tic2);
so_datap (so, &view->tic[3], 5);
/* Set TEX insn $t src binding $unit in program type p
* to TIC, TSC entry (32 * p + unit), mark valid (1).
*/
so_method(so, tesla, NV50TCL_BIND_TIC(p), 1);
so_data (so, ((32 * p + unit) << 9) | (unit << 1) | 1);
} else {
for (j = 0; j < 8; ++j)
so_data(so, 0);
so_method(so, tesla, NV50TCL_BIND_TIC(p), 1);
so_data (so, (unit << 1) | 0);
}
}
for (; unit < nv50->state.sampler_view_nr[p]; unit++) {
/* Make other bindings invalid. */
so_method(so, tesla, NV50TCL_BIND_TIC(p), 1);
so_data (so, (unit << 1) | 0);
}
nv50->state.sampler_view_nr[p] = nv50->sampler_view_nr[p];
return TRUE;
}
static void
nv50_emit_texture_relocs(struct nv50_context *nv50, int prog)
{
struct nouveau_channel *chan = nv50->screen->base.channel;
struct nouveau_bo *tic = nv50->screen->tic;
int unit;
for (unit = 0; unit < nv50->sampler_view_nr[prog]; unit++) {
struct nv50_sampler_view *view;
struct nv50_miptree *mt;
const unsigned base = ((prog * 32) + unit) * 32;
view = nv50_sampler_view(nv50->sampler_views[prog][unit]);
if (!view)
continue;
mt = nv50_miptree(view->pipe.texture);
nouveau_reloc_emit(chan, tic, base + 4, NULL, mt->base.bo, 0, 0,
NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
NOUVEAU_BO_LOW, 0, 0);
nouveau_reloc_emit(chan, tic, base + 8, NULL, mt->base.bo, 0, 0,
NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
NOUVEAU_BO_HIGH, view->tic[2], view->tic[2]);
}
}
void
nv50_tex_relocs(struct nv50_context *nv50)
{
nv50_emit_texture_relocs(nv50, 2); /* FP */
nv50_emit_texture_relocs(nv50, 0); /* VP */
}
struct nouveau_stateobj *
nv50_tex_validate(struct nv50_context *nv50)
{
struct nouveau_stateobj *so;
struct nouveau_grobj *tesla = nv50->screen->tesla;
unsigned p, m = 0, d = 0, r = 0;
for (p = 0; p < 3; ++p) {
unsigned nr = MAX2(nv50->sampler_view_nr[p],
nv50->state.sampler_view_nr[p]);
m += nr;
d += nr;
r += nv50->sampler_view_nr[p];
}
m = m * 2 + 3 * 4 + 1;
d = d * 9 + 3 * 19 + 1;
r = r * 2 + 3 * 2;
so = so_new(m, d, r);
if (nv50_validate_textures(nv50, so, 0) == FALSE ||
nv50_validate_textures(nv50, so, 2) == FALSE) {
so_ref(NULL, &so);
NOUVEAU_ERR("failed tex validate\n");
return NULL;
}
so_method(so, tesla, 0x1330, 1); /* flush TIC */
so_data (so, 0);
return so;
}
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