/*
* Copyright 2012 Red Hat Inc.
*
* 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.
*
* Authors: Ben Skeggs
*
*/
#include "util/u_inlines.h"
#include "nouveau/nv_object.xml.h"
#include "nv30-40_3d.xml.h"
#include "nv30_context.h"
#include "nv30_format.h"
void
nv30_fragtex_validate(struct nv30_context *nv30)
{
struct pipe_screen *pscreen = &nv30->screen->base.base;
struct nouveau_object *eng3d = nv30->screen->eng3d;
struct nouveau_pushbuf *push = nv30->base.pushbuf;
unsigned dirty = nv30->fragprog.dirty_samplers;
while (dirty) {
unsigned unit = ffs(dirty) - 1;
struct nv30_sampler_view *sv = (void *)nv30->fragprog.textures[unit];
struct nv30_sampler_state *ss = nv30->fragprog.samplers[unit];
PUSH_RESET(push, BUFCTX_FRAGTEX(unit));
if (ss && sv) {
const struct nv30_texfmt *fmt = nv30_texfmt(pscreen, sv->pipe.format);
struct pipe_resource *pt = sv->pipe.texture;
struct nv30_miptree *mt = nv30_miptree(pt);
unsigned min_lod, max_lod;
u32 filter = sv->filt | (ss->filt & sv->filt_mask);
u32 format = sv->fmt | ss->fmt;
u32 enable = ss->en;
/* handle base_level when not using a mip filter, min/max level
* is unfortunately ignored by the hardware otherwise
*/
if (ss->pipe.min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
if (sv->base_lod)
filter += 0x00020000; /* N/L -> NMN/LMN */
max_lod = sv->base_lod;
min_lod = sv->base_lod;
} else {
max_lod = MIN2(ss->max_lod + sv->base_lod, sv->high_lod);
min_lod = MIN2(ss->min_lod + sv->base_lod, max_lod);
}
if (eng3d->oclass >= NV40_3D_CLASS) {
/* this is a tad stupid of the hardware, but there's no non-rcomp
* z16/z24 texture formats to be had, we have to suffer and lose
* some precision to handle this case.
*/
if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) {
if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z16)
format |= NV40_3D_TEX_FORMAT_FORMAT_A8L8;
else
if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z24)
format |= NV40_3D_TEX_FORMAT_FORMAT_A16L16;
else
format |= fmt->nv40;
} else {
format |= fmt->nv40;
}
enable |= (min_lod << 19) | (max_lod << 7);
enable |= NV40_3D_TEX_ENABLE_ENABLE;
BEGIN_NV04(push, NV40_3D(TEX_SIZE1(unit)), 1);
PUSH_DATA (push, sv->npot_size1);
} else {
/* this is a tad stupid of the hardware, but there's no non-rcomp
* z16/z24 texture formats to be had, we have to suffer and lose
* some precision to handle this case.
*/
if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) {
if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z16) {
if (ss->pipe.normalized_coords)
format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8;
else
format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8_RECT;
} else
if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z24) {
if (ss->pipe.normalized_coords)
format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16;
else
format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16_RECT;
} else {
if (ss->pipe.normalized_coords)
format |= fmt->nv30;
else
format |= fmt->nv30_rect;
}
} else {
if (ss->pipe.normalized_coords)
format |= fmt->nv30;
else
format |= fmt->nv30_rect;
}
enable |= NV30_3D_TEX_ENABLE_ENABLE;
enable |= (min_lod << 18) | (max_lod << 6);
}
BEGIN_NV04(push, NV30_3D(TEX_OFFSET(unit)), 8);
PUSH_MTHDl(push, NV30_3D(TEX_OFFSET(unit)), BUFCTX_FRAGTEX(unit),
mt->base.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
PUSH_MTHDs(push, NV30_3D(TEX_FORMAT(unit)), BUFCTX_FRAGTEX(unit),
mt->base.bo, format, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD,
NV30_3D_TEX_FORMAT_DMA0,
NV30_3D_TEX_FORMAT_DMA1);
PUSH_DATA (push, sv->wrap | (ss->wrap & sv->wrap_mask));
PUSH_DATA (push, enable);
PUSH_DATA (push, sv->swz);
PUSH_DATA (push, filter);
PUSH_DATA (push, sv->npot_size0);
PUSH_DATA (push, ss->bcol);
BEGIN_NV04(push, NV30_3D(TEX_FILTER_OPTIMIZATION(unit)), 1);
PUSH_DATA (push, nv30->config.filter);
} else {
BEGIN_NV04(push, NV30_3D(TEX_ENABLE(unit)), 1);
PUSH_DATA (push, 0);
}
dirty &= ~(1 << unit);
}
nv30->fragprog.dirty_samplers = 0;
}
static void
nv30_fragtex_sampler_states_bind(struct pipe_context *pipe,
unsigned nr, void **hwcso)
{
struct nv30_context *nv30 = nv30_context(pipe);
unsigned i;
for (i = 0; i < nr; i++) {
nv30->fragprog.samplers[i] = hwcso[i];
nv30->fragprog.dirty_samplers |= (1 << i);
}
for (; i < nv30->fragprog.num_samplers; i++) {
nv30->fragprog.samplers[i] = NULL;
nv30->fragprog.dirty_samplers |= (1 << i);
}
nv30->fragprog.num_samplers = nr;
nv30->dirty |= NV30_NEW_FRAGTEX;
}
static void
nv30_fragtex_set_sampler_views(struct pipe_context *pipe, unsigned nr,
struct pipe_sampler_view **views)
{
struct nv30_context *nv30 = nv30_context(pipe);
unsigned i;
for (i = 0; i < nr; i++) {
nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
pipe_sampler_view_reference(&nv30->fragprog.textures[i], views[i]);
nv30->fragprog.dirty_samplers |= (1 << i);
}
for (; i < nv30->fragprog.num_textures; i++) {
nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
pipe_sampler_view_reference(&nv30->fragprog.textures[i], NULL);
nv30->fragprog.dirty_samplers |= (1 << i);
}
nv30->fragprog.num_textures = nr;
nv30->dirty |= NV30_NEW_FRAGTEX;
}
void
nv30_fragtex_init(struct pipe_context *pipe)
{
pipe->bind_fragment_sampler_states = nv30_fragtex_sampler_states_bind;
pipe->set_fragment_sampler_views = nv30_fragtex_set_sampler_views;
}