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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 OR COPYRIGHT HOLDERS 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 <stdint.h>
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "util/u_pack_color.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_surface.h"
#include "tgsi/tgsi_ureg.h"
#include "os/os_thread.h"
#include "nv50/nv50_context.h"
#include "nv50/nv50_resource.h"
#include "nv50/g80_defs.xml.h"
#include "nv50/g80_texture.xml.h"
/* these are used in nv50_blit.h */
#define NV50_ENG2D_SUPPORTED_FORMATS 0xff0843e080608409ULL
#define NV50_ENG2D_NOCONVERT_FORMATS 0x0008402000000000ULL
#define NV50_ENG2D_LUMINANCE_FORMATS 0x0008402000000000ULL
#define NV50_ENG2D_INTENSITY_FORMATS 0x0000000000000000ULL
#define NV50_ENG2D_OPERATION_FORMATS 0x060001c000608000ULL
#define NOUVEAU_DRIVER 0x50
#include "nv50/nv50_blit.h"
static inline uint8_t
nv50_2d_format(enum pipe_format format, bool dst, bool dst_src_equal)
{
uint8_t id = nv50_format_table[format].rt;
/* Hardware values for color formats range from 0xc0 to 0xff,
* but the 2D engine doesn't support all of them.
*/
if ((id >= 0xc0) && (NV50_ENG2D_SUPPORTED_FORMATS & (1ULL << (id - 0xc0))))
return id;
assert(dst_src_equal);
switch (util_format_get_blocksize(format)) {
case 1:
return G80_SURFACE_FORMAT_R8_UNORM;
case 2:
return G80_SURFACE_FORMAT_R16_UNORM;
case 4:
return G80_SURFACE_FORMAT_BGRA8_UNORM;
case 8:
return G80_SURFACE_FORMAT_RGBA16_FLOAT;
case 16:
return G80_SURFACE_FORMAT_RGBA32_FLOAT;
default:
return 0;
}
}
static int
nv50_2d_texture_set(struct nouveau_pushbuf *push, int dst,
struct nv50_miptree *mt, unsigned level, unsigned layer,
enum pipe_format pformat, bool dst_src_pformat_equal)
{
struct nouveau_bo *bo = mt->base.bo;
uint32_t width, height, depth;
uint32_t format;
uint32_t mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
uint32_t offset = mt->level[level].offset;
format = nv50_2d_format(pformat, dst, dst_src_pformat_equal);
if (!format) {
NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
util_format_name(pformat));
return 1;
}
width = u_minify(mt->base.base.width0, level) << mt->ms_x;
height = u_minify(mt->base.base.height0, level) << mt->ms_y;
depth = u_minify(mt->base.base.depth0, level);
offset = mt->level[level].offset;
if (!mt->layout_3d) {
offset += mt->layer_stride * layer;
depth = 1;
layer = 0;
} else
if (!dst) {
offset += nv50_mt_zslice_offset(mt, level, layer);
layer = 0;
}
if (!nouveau_bo_memtype(bo)) {
BEGIN_NV04(push, SUBC_2D(mthd), 2);
PUSH_DATA (push, format);
PUSH_DATA (push, 1);
BEGIN_NV04(push, SUBC_2D(mthd + 0x14), 5);
PUSH_DATA (push, mt->level[level].pitch);
PUSH_DATA (push, width);
PUSH_DATA (push, height);
PUSH_DATAh(push, mt->base.address + offset);
PUSH_DATA (push, mt->base.address + offset);
} else {
BEGIN_NV04(push, SUBC_2D(mthd), 5);
PUSH_DATA (push, format);
PUSH_DATA (push, 0);
PUSH_DATA (push, mt->level[level].tile_mode);
PUSH_DATA (push, depth);
PUSH_DATA (push, layer);
BEGIN_NV04(push, SUBC_2D(mthd + 0x18), 4);
PUSH_DATA (push, width);
PUSH_DATA (push, height);
PUSH_DATAh(push, mt->base.address + offset);
PUSH_DATA (push, mt->base.address + offset);
}
#if 0
if (dst) {
BEGIN_NV04(push, SUBC_2D(NV50_2D_CLIP_X), 4);
PUSH_DATA (push, 0);
PUSH_DATA (push, 0);
PUSH_DATA (push, width);
PUSH_DATA (push, height);
}
#endif
return 0;
}
static int
nv50_2d_texture_do_copy(struct nouveau_pushbuf *push,
struct nv50_miptree *dst, unsigned dst_level,
unsigned dx, unsigned dy, unsigned dz,
struct nv50_miptree *src, unsigned src_level,
unsigned sx, unsigned sy, unsigned sz,
unsigned w, unsigned h)
{
const enum pipe_format dfmt = dst->base.base.format;
const enum pipe_format sfmt = src->base.base.format;
int ret;
bool eqfmt = dfmt == sfmt;
if (!PUSH_SPACE(push, 2 * 16 + 32))
return PIPE_ERROR;
ret = nv50_2d_texture_set(push, 1, dst, dst_level, dz, dfmt, eqfmt);
if (ret)
return ret;
ret = nv50_2d_texture_set(push, 0, src, src_level, sz, sfmt, eqfmt);
if (ret)
return ret;
BEGIN_NV04(push, NV50_2D(BLIT_CONTROL), 1);
PUSH_DATA (push, NV50_2D_BLIT_CONTROL_FILTER_POINT_SAMPLE);
BEGIN_NV04(push, NV50_2D(BLIT_DST_X), 4);
PUSH_DATA (push, dx << dst->ms_x);
PUSH_DATA (push, dy << dst->ms_y);
PUSH_DATA (push, w << dst->ms_x);
PUSH_DATA (push, h << dst->ms_y);
BEGIN_NV04(push, NV50_2D(BLIT_DU_DX_FRACT), 4);
PUSH_DATA (push, 0);
PUSH_DATA (push, 1);
PUSH_DATA (push, 0);
PUSH_DATA (push, 1);
BEGIN_NV04(push, NV50_2D(BLIT_SRC_X_FRACT), 4);
PUSH_DATA (push, 0);
PUSH_DATA (push, sx << src->ms_x);
PUSH_DATA (push, 0);
PUSH_DATA (push, sy << src->ms_y);
return 0;
}
static void
nv50_resource_copy_region(struct pipe_context *pipe,
struct pipe_resource *dst, unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src, unsigned src_level,
const struct pipe_box *src_box)
{
struct nv50_context *nv50 = nv50_context(pipe);
int ret;
bool m2mf;
unsigned dst_layer = dstz, src_layer = src_box->z;
if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
nouveau_copy_buffer(&nv50->base,
nv04_resource(dst), dstx,
nv04_resource(src), src_box->x, src_box->width);
return;
}
/* 0 and 1 are equal, only supporting 0/1, 2, 4 and 8 */
assert((src->nr_samples | 1) == (dst->nr_samples | 1));
m2mf = (src->format == dst->format) ||
(util_format_get_blocksizebits(src->format) ==
util_format_get_blocksizebits(dst->format));
nv04_resource(dst)->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
if (m2mf) {
struct nv50_miptree *src_mt = nv50_miptree(src);
struct nv50_miptree *dst_mt = nv50_miptree(dst);
struct nv50_m2mf_rect drect, srect;
unsigned i;
unsigned nx = util_format_get_nblocksx(src->format, src_box->width)
<< src_mt->ms_x;
unsigned ny = util_format_get_nblocksy(src->format, src_box->height)
<< src_mt->ms_y;
nv50_m2mf_rect_setup(&drect, dst, dst_level, dstx, dsty, dstz);
nv50_m2mf_rect_setup(&srect, src, src_level,
src_box->x, src_box->y, src_box->z);
for (i = 0; i < src_box->depth; ++i) {
nv50_m2mf_transfer_rect(nv50, &drect, &srect, nx, ny);
if (dst_mt->layout_3d)
drect.z++;
else
drect.base += dst_mt->layer_stride;
if (src_mt->layout_3d)
srect.z++;
else
srect.base += src_mt->layer_stride;
}
return;
}
assert((src->format == dst->format) ||
(nv50_2d_src_format_faithful(src->format) &&
nv50_2d_dst_format_faithful(dst->format)));
BCTX_REFN(nv50->bufctx, 2D, nv04_resource(src), RD);
BCTX_REFN(nv50->bufctx, 2D, nv04_resource(dst), WR);
nouveau_pushbuf_bufctx(nv50->base.pushbuf, nv50->bufctx);
nouveau_pushbuf_validate(nv50->base.pushbuf);
for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
ret = nv50_2d_texture_do_copy(nv50->base.pushbuf,
nv50_miptree(dst), dst_level,
dstx, dsty, dst_layer,
nv50_miptree(src), src_level,
src_box->x, src_box->y, src_layer,
src_box->width, src_box->height);
if (ret)
break;
}
nouveau_bufctx_reset(nv50->bufctx, NV50_BIND_2D);
}
static void
nv50_clear_render_target(struct pipe_context *pipe,
struct pipe_surface *dst,
const union pipe_color_union *color,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height,
bool render_condition_enabled)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct nv50_miptree *mt = nv50_miptree(dst->texture);
struct nv50_surface *sf = nv50_surface(dst);
struct nouveau_bo *bo = mt->base.bo;
unsigned z;
assert(dst->texture->target != PIPE_BUFFER);
BEGIN_NV04(push, NV50_3D(CLEAR_COLOR(0)), 4);
PUSH_DATAf(push, color->f[0]);
PUSH_DATAf(push, color->f[1]);
PUSH_DATAf(push, color->f[2]);
PUSH_DATAf(push, color->f[3]);
if (nouveau_pushbuf_space(push, 64 + sf->depth, 1, 0))
return;
PUSH_REFN(push, bo, mt->base.domain | NOUVEAU_BO_WR);
BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
PUSH_DATA (push, ( width << 16) | dstx);
PUSH_DATA (push, (height << 16) | dsty);
BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
PUSH_DATA (push, 8192 << 16);
PUSH_DATA (push, 8192 << 16);
nv50->scissors_dirty |= 1;
BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
PUSH_DATA (push, 1);
BEGIN_NV04(push, NV50_3D(RT_ADDRESS_HIGH(0)), 5);
PUSH_DATAh(push, mt->base.address + sf->offset);
PUSH_DATA (push, mt->base.address + sf->offset);
PUSH_DATA (push, nv50_format_table[dst->format].rt);
PUSH_DATA (push, mt->level[sf->base.u.tex.level].tile_mode);
PUSH_DATA (push, mt->layer_stride >> 2);
BEGIN_NV04(push, NV50_3D(RT_HORIZ(0)), 2);
if (nouveau_bo_memtype(bo))
PUSH_DATA(push, sf->width);
else
PUSH_DATA(push, NV50_3D_RT_HORIZ_LINEAR | mt->level[0].pitch);
PUSH_DATA (push, sf->height);
BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
if (mt->layout_3d)
PUSH_DATA(push, NV50_3D_RT_ARRAY_MODE_MODE_3D | 512);
else
PUSH_DATA(push, 512);
BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
PUSH_DATA (push, mt->ms_mode);
if (!nouveau_bo_memtype(bo)) {
BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
PUSH_DATA (push, 0);
}
/* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
PUSH_DATA (push, (width << 16) | dstx);
PUSH_DATA (push, (height << 16) | dsty);
if (!render_condition_enabled) {
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
}
BEGIN_NI04(push, NV50_3D(CLEAR_BUFFERS), sf->depth);
for (z = 0; z < sf->depth; ++z) {
PUSH_DATA (push, 0x3c |
(z << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
}
if (!render_condition_enabled) {
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, nv50->cond_condmode);
}
nv50->dirty_3d |= NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR;
}
static void
nv50_clear_depth_stencil(struct pipe_context *pipe,
struct pipe_surface *dst,
unsigned clear_flags,
double depth,
unsigned stencil,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height,
bool render_condition_enabled)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct nv50_miptree *mt = nv50_miptree(dst->texture);
struct nv50_surface *sf = nv50_surface(dst);
struct nouveau_bo *bo = mt->base.bo;
uint32_t mode = 0;
unsigned z;
assert(dst->texture->target != PIPE_BUFFER);
assert(nouveau_bo_memtype(bo)); /* ZETA cannot be linear */
if (clear_flags & PIPE_CLEAR_DEPTH) {
BEGIN_NV04(push, NV50_3D(CLEAR_DEPTH), 1);
PUSH_DATAf(push, depth);
mode |= NV50_3D_CLEAR_BUFFERS_Z;
}
if (clear_flags & PIPE_CLEAR_STENCIL) {
BEGIN_NV04(push, NV50_3D(CLEAR_STENCIL), 1);
PUSH_DATA (push, stencil & 0xff);
mode |= NV50_3D_CLEAR_BUFFERS_S;
}
if (nouveau_pushbuf_space(push, 64 + sf->depth, 1, 0))
return;
PUSH_REFN(push, bo, mt->base.domain | NOUVEAU_BO_WR);
BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
PUSH_DATA (push, ( width << 16) | dstx);
PUSH_DATA (push, (height << 16) | dsty);
BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
PUSH_DATA (push, 8192 << 16);
PUSH_DATA (push, 8192 << 16);
nv50->scissors_dirty |= 1;
BEGIN_NV04(push, NV50_3D(ZETA_ADDRESS_HIGH), 5);
PUSH_DATAh(push, mt->base.address + sf->offset);
PUSH_DATA (push, mt->base.address + sf->offset);
PUSH_DATA (push, nv50_format_table[dst->format].rt);
PUSH_DATA (push, mt->level[sf->base.u.tex.level].tile_mode);
PUSH_DATA (push, mt->layer_stride >> 2);
BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
PUSH_DATA (push, 1);
BEGIN_NV04(push, NV50_3D(ZETA_HORIZ), 3);
PUSH_DATA (push, sf->width);
PUSH_DATA (push, sf->height);
PUSH_DATA (push, (1 << 16) | 1);
BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
PUSH_DATA (push, 512);
BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
PUSH_DATA (push, mt->ms_mode);
BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
PUSH_DATA (push, (width << 16) | dstx);
PUSH_DATA (push, (height << 16) | dsty);
if (!render_condition_enabled) {
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
}
BEGIN_NI04(push, NV50_3D(CLEAR_BUFFERS), sf->depth);
for (z = 0; z < sf->depth; ++z) {
PUSH_DATA (push, mode |
(z << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
}
if (!render_condition_enabled) {
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, nv50->cond_condmode);
}
nv50->dirty_3d |= NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR;
}
void
nv50_clear_texture(struct pipe_context *pipe,
struct pipe_resource *res,
unsigned level,
const struct pipe_box *box,
const void *data)
{
struct pipe_surface tmpl = {{0}}, *sf;
tmpl.format = res->format;
tmpl.u.tex.first_layer = box->z;
tmpl.u.tex.last_layer = box->z + box->depth - 1;
tmpl.u.tex.level = level;
sf = pipe->create_surface(pipe, res, &tmpl);
if (!sf)
return;
if (util_format_is_depth_or_stencil(res->format)) {
float depth = 0;
uint8_t stencil = 0;
unsigned clear = 0;
const struct util_format_description *desc =
util_format_description(res->format);
if (util_format_has_depth(desc)) {
clear |= PIPE_CLEAR_DEPTH;
desc->unpack_z_float(&depth, 0, data, 0, 1, 1);
}
if (util_format_has_stencil(desc)) {
clear |= PIPE_CLEAR_STENCIL;
desc->unpack_s_8uint(&stencil, 0, data, 0, 1, 1);
}
pipe->clear_depth_stencil(pipe, sf, clear, depth, stencil,
box->x, box->y, box->width, box->height, false);
} else {
union pipe_color_union color;
switch (util_format_get_blocksizebits(res->format)) {
case 128:
sf->format = PIPE_FORMAT_R32G32B32A32_UINT;
memcpy(&color.ui, data, 128 / 8);
break;
case 64:
sf->format = PIPE_FORMAT_R32G32_UINT;
memcpy(&color.ui, data, 64 / 8);
memset(&color.ui[2], 0, 64 / 8);
break;
case 32:
sf->format = PIPE_FORMAT_R32_UINT;
memcpy(&color.ui, data, 32 / 8);
memset(&color.ui[1], 0, 96 / 8);
break;
case 16:
sf->format = PIPE_FORMAT_R16_UINT;
color.ui[0] = util_cpu_to_le32(
util_le16_to_cpu(*(unsigned short *)data));
memset(&color.ui[1], 0, 96 / 8);
break;
case 8:
sf->format = PIPE_FORMAT_R8_UINT;
color.ui[0] = util_cpu_to_le32(*(unsigned char *)data);
memset(&color.ui[1], 0, 96 / 8);
break;
default:
assert(!"Unknown texel element size");
return;
}
pipe->clear_render_target(pipe, sf, &color,
box->x, box->y, box->width, box->height, false);
}
pipe->surface_destroy(pipe, sf);
}
void
nv50_clear(struct pipe_context *pipe, unsigned buffers,
const union pipe_color_union *color,
double depth, unsigned stencil)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct pipe_framebuffer_state *fb = &nv50->framebuffer;
unsigned i, j, k;
uint32_t mode = 0;
/* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
if (!nv50_state_validate_3d(nv50, NV50_NEW_3D_FRAMEBUFFER))
return;
/* We have to clear ALL of the layers, not up to the min number of layers
* of any attachment. */
BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
PUSH_DATA (push, (nv50->rt_array_mode & NV50_3D_RT_ARRAY_MODE_MODE_3D) | 512);
if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
BEGIN_NV04(push, NV50_3D(CLEAR_COLOR(0)), 4);
PUSH_DATAf(push, color->f[0]);
PUSH_DATAf(push, color->f[1]);
PUSH_DATAf(push, color->f[2]);
PUSH_DATAf(push, color->f[3]);
if (buffers & PIPE_CLEAR_COLOR0)
mode =
NV50_3D_CLEAR_BUFFERS_R | NV50_3D_CLEAR_BUFFERS_G |
NV50_3D_CLEAR_BUFFERS_B | NV50_3D_CLEAR_BUFFERS_A;
}
if (buffers & PIPE_CLEAR_DEPTH) {
BEGIN_NV04(push, NV50_3D(CLEAR_DEPTH), 1);
PUSH_DATA (push, fui(depth));
mode |= NV50_3D_CLEAR_BUFFERS_Z;
}
if (buffers & PIPE_CLEAR_STENCIL) {
BEGIN_NV04(push, NV50_3D(CLEAR_STENCIL), 1);
PUSH_DATA (push, stencil & 0xff);
mode |= NV50_3D_CLEAR_BUFFERS_S;
}
if (mode) {
int zs_layers = 0, color0_layers = 0;
if (fb->cbufs[0] && (mode & 0x3c))
color0_layers = nv50_surface(fb->cbufs[0])->depth;
if (fb->zsbuf && (mode & ~0x3c))
zs_layers = nv50_surface(fb->zsbuf)->depth;
for (j = 0; j < MIN2(zs_layers, color0_layers); j++) {
BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
PUSH_DATA(push, mode | (j << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
}
for (k = j; k < zs_layers; k++) {
BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
PUSH_DATA(push, (mode & ~0x3c) | (k << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
}
for (k = j; k < color0_layers; k++) {
BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
PUSH_DATA(push, (mode & 0x3c) | (k << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
}
}
for (i = 1; i < fb->nr_cbufs; i++) {
struct pipe_surface *sf = fb->cbufs[i];
if (!sf || !(buffers & (PIPE_CLEAR_COLOR0 << i)))
continue;
for (j = 0; j < nv50_surface(sf)->depth; j++) {
BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
PUSH_DATA (push, (i << 6) | 0x3c |
(j << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
}
}
/* restore the array mode */
BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
PUSH_DATA (push, nv50->rt_array_mode);
}
static void
nv50_clear_buffer_push(struct pipe_context *pipe,
struct pipe_resource *res,
unsigned offset, unsigned size,
const void *data, int data_size)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct nv04_resource *buf = nv04_resource(res);
unsigned count = (size + 3) / 4;
unsigned xcoord = offset & 0xff;
unsigned tmp, i;
if (data_size == 1) {
tmp = *(unsigned char *)data;
tmp = (tmp << 24) | (tmp << 16) | (tmp << 8) | tmp;
data = &tmp;
data_size = 4;
} else if (data_size == 2) {
tmp = *(unsigned short *)data;
tmp = (tmp << 16) | tmp;
data = &tmp;
data_size = 4;
}
unsigned data_words = data_size / 4;
nouveau_bufctx_refn(nv50->bufctx, 0, buf->bo, buf->domain | NOUVEAU_BO_WR);
nouveau_pushbuf_bufctx(push, nv50->bufctx);
nouveau_pushbuf_validate(push);
offset &= ~0xff;
BEGIN_NV04(push, NV50_2D(DST_FORMAT), 2);
PUSH_DATA (push, G80_SURFACE_FORMAT_R8_UNORM);
PUSH_DATA (push, 1);
BEGIN_NV04(push, NV50_2D(DST_PITCH), 5);
PUSH_DATA (push, 262144);
PUSH_DATA (push, 65536);
PUSH_DATA (push, 1);
PUSH_DATAh(push, buf->address + offset);
PUSH_DATA (push, buf->address + offset);
BEGIN_NV04(push, NV50_2D(SIFC_BITMAP_ENABLE), 2);
PUSH_DATA (push, 0);
PUSH_DATA (push, G80_SURFACE_FORMAT_R8_UNORM);
BEGIN_NV04(push, NV50_2D(SIFC_WIDTH), 10);
PUSH_DATA (push, size);
PUSH_DATA (push, 1);
PUSH_DATA (push, 0);
PUSH_DATA (push, 1);
PUSH_DATA (push, 0);
PUSH_DATA (push, 1);
PUSH_DATA (push, 0);
PUSH_DATA (push, xcoord);
PUSH_DATA (push, 0);
PUSH_DATA (push, 0);
while (count) {
unsigned nr_data = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN) / data_words;
unsigned nr = nr_data * data_words;
BEGIN_NI04(push, NV50_2D(SIFC_DATA), nr);
for (i = 0; i < nr_data; i++)
PUSH_DATAp(push, data, data_words);
count -= nr;
}
if (buf->mm) {
nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence);
nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence_wr);
}
nouveau_bufctx_reset(nv50->bufctx, 0);
}
static void
nv50_clear_buffer(struct pipe_context *pipe,
struct pipe_resource *res,
unsigned offset, unsigned size,
const void *data, int data_size)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct nv04_resource *buf = (struct nv04_resource *)res;
union pipe_color_union color;
enum pipe_format dst_fmt;
unsigned width, height, elements;
assert(res->target == PIPE_BUFFER);
assert(nouveau_bo_memtype(buf->bo) == 0);
switch (data_size) {
case 16:
dst_fmt = PIPE_FORMAT_R32G32B32A32_UINT;
memcpy(&color.ui, data, 16);
break;
case 8:
dst_fmt = PIPE_FORMAT_R32G32_UINT;
memcpy(&color.ui, data, 8);
memset(&color.ui[2], 0, 8);
break;
case 4:
dst_fmt = PIPE_FORMAT_R32_UINT;
memcpy(&color.ui, data, 4);
memset(&color.ui[1], 0, 12);
break;
case 2:
dst_fmt = PIPE_FORMAT_R16_UINT;
color.ui[0] = util_cpu_to_le32(
util_le16_to_cpu(*(unsigned short *)data));
memset(&color.ui[1], 0, 12);
break;
case 1:
dst_fmt = PIPE_FORMAT_R8_UINT;
color.ui[0] = util_cpu_to_le32(*(unsigned char *)data);
memset(&color.ui[1], 0, 12);
break;
default:
assert(!"Unsupported element size");
return;
}
assert(size % data_size == 0);
if (offset & 0xff) {
unsigned fixup_size = MIN2(size, align(offset, 0x100) - offset);
assert(fixup_size % data_size == 0);
nv50_clear_buffer_push(pipe, res, offset, fixup_size, data, data_size);
offset += fixup_size;
size -= fixup_size;
if (!size)
return;
}
elements = size / data_size;
height = (elements + 8191) / 8192;
width = elements / height;
if (height > 1)
width &= ~0xff;
assert(width > 0);
BEGIN_NV04(push, NV50_3D(CLEAR_COLOR(0)), 4);
PUSH_DATAf(push, color.f[0]);
PUSH_DATAf(push, color.f[1]);
PUSH_DATAf(push, color.f[2]);
PUSH_DATAf(push, color.f[3]);
if (nouveau_pushbuf_space(push, 64, 1, 0))
return;
PUSH_REFN(push, buf->bo, buf->domain | NOUVEAU_BO_WR);
BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
PUSH_DATA (push, width << 16);
PUSH_DATA (push, height << 16);
BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
PUSH_DATA (push, 8192 << 16);
PUSH_DATA (push, 8192 << 16);
nv50->scissors_dirty |= 1;
BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
PUSH_DATA (push, 1);
BEGIN_NV04(push, NV50_3D(RT_ADDRESS_HIGH(0)), 5);
PUSH_DATAh(push, buf->address + offset);
PUSH_DATA (push, buf->address + offset);
PUSH_DATA (push, nv50_format_table[dst_fmt].rt);
PUSH_DATA (push, 0);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(RT_HORIZ(0)), 2);
PUSH_DATA (push, NV50_3D_RT_HORIZ_LINEAR | align(width * data_size, 0x100));
PUSH_DATA (push, height);
BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
PUSH_DATA (push, 0);
/* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
PUSH_DATA (push, (width << 16));
PUSH_DATA (push, (height << 16));
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
BEGIN_NI04(push, NV50_3D(CLEAR_BUFFERS), 1);
PUSH_DATA (push, 0x3c);
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, nv50->cond_condmode);
if (buf->mm) {
nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence);
nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence_wr);
}
if (width * height != elements) {
offset += width * height * data_size;
width = elements - width * height;
nv50_clear_buffer_push(pipe, res, offset, width * data_size,
data, data_size);
}
nv50->dirty_3d |= NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR;
}
/* =============================== BLIT CODE ===================================
*/
struct nv50_blitter
{
struct nv50_program *fp[NV50_BLIT_MAX_TEXTURE_TYPES][NV50_BLIT_MODES];
struct nv50_program vp;
struct nv50_tsc_entry sampler[2]; /* nearest, bilinear */
mtx_t mutex;
};
struct nv50_blitctx
{
struct nv50_context *nv50;
struct nv50_program *fp;
uint8_t mode;
uint16_t color_mask;
uint8_t filter;
uint8_t render_condition_enable;
enum pipe_texture_target target;
struct {
struct pipe_framebuffer_state fb;
struct nv50_window_rect_stateobj window_rect;
struct nv50_rasterizer_stateobj *rast;
struct nv50_program *vp;
struct nv50_program *gp;
struct nv50_program *fp;
unsigned num_textures[3];
unsigned num_samplers[3];
struct pipe_sampler_view *texture[2];
struct nv50_tsc_entry *sampler[2];
unsigned min_samples;
uint32_t dirty_3d;
} saved;
struct nv50_rasterizer_stateobj rast;
};
static void
nv50_blitter_make_vp(struct nv50_blitter *blit)
{
static const uint32_t code[] =
{
0x10000001, 0x0423c788, /* mov b32 o[0x00] s[0x00] */ /* HPOS.x */
0x10000205, 0x0423c788, /* mov b32 o[0x04] s[0x04] */ /* HPOS.y */
0x10000409, 0x0423c788, /* mov b32 o[0x08] s[0x08] */ /* TEXC.x */
0x1000060d, 0x0423c788, /* mov b32 o[0x0c] s[0x0c] */ /* TEXC.y */
0x10000811, 0x0423c789, /* mov b32 o[0x10] s[0x10] */ /* TEXC.z */
};
blit->vp.type = PIPE_SHADER_VERTEX;
blit->vp.translated = true;
blit->vp.code = (uint32_t *)code; /* const_cast */
blit->vp.code_size = sizeof(code);
blit->vp.max_gpr = 4;
blit->vp.max_out = 5;
blit->vp.out_nr = 2;
blit->vp.out[0].mask = 0x3;
blit->vp.out[0].sn = TGSI_SEMANTIC_POSITION;
blit->vp.out[1].hw = 2;
blit->vp.out[1].mask = 0x7;
blit->vp.out[1].sn = TGSI_SEMANTIC_GENERIC;
blit->vp.out[1].si = 0;
blit->vp.vp.attrs[0] = 0x73;
blit->vp.vp.psiz = 0x40;
blit->vp.vp.edgeflag = 0x40;
}
void *
nv50_blitter_make_fp(struct pipe_context *pipe,
unsigned mode,
enum pipe_texture_target ptarg)
{
struct ureg_program *ureg;
struct ureg_src tc;
struct ureg_dst out;
struct ureg_dst data;
const unsigned target = nv50_blit_get_tgsi_texture_target(ptarg);
bool tex_rgbaz = false;
bool tex_s = false;
bool cvt_un8 = false;
if (mode != NV50_BLIT_MODE_PASS &&
mode != NV50_BLIT_MODE_Z24X8 &&
mode != NV50_BLIT_MODE_X8Z24)
tex_s = true;
if (mode != NV50_BLIT_MODE_X24S8 &&
mode != NV50_BLIT_MODE_S8X24 &&
mode != NV50_BLIT_MODE_XS)
tex_rgbaz = true;
if (mode != NV50_BLIT_MODE_PASS &&
mode != NV50_BLIT_MODE_ZS &&
mode != NV50_BLIT_MODE_XS)
cvt_un8 = true;
ureg = ureg_create(PIPE_SHADER_FRAGMENT);
if (!ureg)
return NULL;
out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
tc = ureg_DECL_fs_input(
ureg, TGSI_SEMANTIC_GENERIC, 0, TGSI_INTERPOLATE_LINEAR);
if (ptarg == PIPE_TEXTURE_1D_ARRAY) {
/* Adjust coordinates. Depth is in z, but TEX expects it to be in y. */
tc = ureg_swizzle(tc, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Z,
TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z);
}
data = ureg_DECL_temporary(ureg);
if (tex_s) {
ureg_TEX(ureg, ureg_writemask(data, TGSI_WRITEMASK_X),
target, tc, ureg_DECL_sampler(ureg, 1));
ureg_MOV(ureg, ureg_writemask(data, TGSI_WRITEMASK_Y),
ureg_scalar(ureg_src(data), TGSI_SWIZZLE_X));
}
if (tex_rgbaz) {
const unsigned mask = (mode == NV50_BLIT_MODE_PASS) ?
TGSI_WRITEMASK_XYZW : TGSI_WRITEMASK_X;
ureg_TEX(ureg, ureg_writemask(data, mask),
target, tc, ureg_DECL_sampler(ureg, 0));
}
if (cvt_un8) {
struct ureg_src mask;
struct ureg_src scale;
struct ureg_dst outz;
struct ureg_dst outs;
struct ureg_dst zdst3 = ureg_writemask(data, TGSI_WRITEMASK_XYZ);
struct ureg_dst zdst = ureg_writemask(data, TGSI_WRITEMASK_X);
struct ureg_dst sdst = ureg_writemask(data, TGSI_WRITEMASK_Y);
struct ureg_src zsrc3 = ureg_src(data);
struct ureg_src zsrc = ureg_scalar(zsrc3, TGSI_SWIZZLE_X);
struct ureg_src ssrc = ureg_scalar(zsrc3, TGSI_SWIZZLE_Y);
struct ureg_src zshuf;
mask = ureg_imm3u(ureg, 0x0000ff, 0x00ff00, 0xff0000);
scale = ureg_imm4f(ureg,
1.0f / 0x0000ff, 1.0f / 0x00ff00, 1.0f / 0xff0000,
(1 << 24) - 1);
if (mode == NV50_BLIT_MODE_Z24S8 ||
mode == NV50_BLIT_MODE_X24S8 ||
mode == NV50_BLIT_MODE_Z24X8) {
outz = ureg_writemask(out, TGSI_WRITEMASK_XYZ);
outs = ureg_writemask(out, TGSI_WRITEMASK_W);
zshuf = ureg_src(data);
} else {
outz = ureg_writemask(out, TGSI_WRITEMASK_YZW);
outs = ureg_writemask(out, TGSI_WRITEMASK_X);
zshuf = ureg_swizzle(zsrc3, TGSI_SWIZZLE_W,
TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Z);
}
if (tex_s) {
ureg_I2F(ureg, sdst, ssrc);
ureg_MUL(ureg, outs, ssrc, ureg_scalar(scale, TGSI_SWIZZLE_X));
}
if (tex_rgbaz) {
ureg_MUL(ureg, zdst, zsrc, ureg_scalar(scale, TGSI_SWIZZLE_W));
ureg_F2I(ureg, zdst, zsrc);
ureg_AND(ureg, zdst3, zsrc, mask);
ureg_I2F(ureg, zdst3, zsrc3);
ureg_MUL(ureg, zdst3, zsrc3, scale);
ureg_MOV(ureg, outz, zshuf);
}
} else {
unsigned mask = TGSI_WRITEMASK_XYZW;
if (mode != NV50_BLIT_MODE_PASS) {
mask &= ~TGSI_WRITEMASK_ZW;
if (!tex_s)
mask = TGSI_WRITEMASK_X;
if (!tex_rgbaz)
mask = TGSI_WRITEMASK_Y;
}
ureg_MOV(ureg, ureg_writemask(out, mask), ureg_src(data));
}
ureg_END(ureg);
return ureg_create_shader_and_destroy(ureg, pipe);
}
static void
nv50_blitter_make_sampler(struct nv50_blitter *blit)
{
/* clamp to edge, min/max lod = 0, nearest filtering */
blit->sampler[0].id = -1;
blit->sampler[0].tsc[0] = G80_TSC_0_SRGB_CONVERSION |
(G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_U__SHIFT) |
(G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_V__SHIFT) |
(G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_P__SHIFT);
blit->sampler[0].tsc[1] =
G80_TSC_1_MAG_FILTER_NEAREST |
G80_TSC_1_MIN_FILTER_NEAREST |
G80_TSC_1_MIP_FILTER_NONE;
/* clamp to edge, min/max lod = 0, bilinear filtering */
blit->sampler[1].id = -1;
blit->sampler[1].tsc[0] = blit->sampler[0].tsc[0];
blit->sampler[1].tsc[1] =
G80_TSC_1_MAG_FILTER_LINEAR |
G80_TSC_1_MIN_FILTER_LINEAR |
G80_TSC_1_MIP_FILTER_NONE;
}
unsigned
nv50_blit_select_mode(const struct pipe_blit_info *info)
{
const unsigned mask = info->mask;
switch (info->dst.resource->format) {
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_X24S8_UINT:
switch (mask & PIPE_MASK_ZS) {
case PIPE_MASK_ZS: return NV50_BLIT_MODE_Z24S8;
case PIPE_MASK_Z: return NV50_BLIT_MODE_Z24X8;
default:
return NV50_BLIT_MODE_X24S8;
}
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_S8X24_UINT:
switch (mask & PIPE_MASK_ZS) {
case PIPE_MASK_ZS: return NV50_BLIT_MODE_S8Z24;
case PIPE_MASK_Z: return NV50_BLIT_MODE_X8Z24;
default:
return NV50_BLIT_MODE_S8X24;
}
case PIPE_FORMAT_Z32_FLOAT:
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
case PIPE_FORMAT_X32_S8X24_UINT:
switch (mask & PIPE_MASK_ZS) {
case PIPE_MASK_ZS: return NV50_BLIT_MODE_ZS;
case PIPE_MASK_Z: return NV50_BLIT_MODE_PASS;
default:
return NV50_BLIT_MODE_XS;
}
default:
return NV50_BLIT_MODE_PASS;
}
}
static void
nv50_blit_select_fp(struct nv50_blitctx *ctx, const struct pipe_blit_info *info)
{
struct nv50_blitter *blitter = ctx->nv50->screen->blitter;
const enum pipe_texture_target ptarg =
nv50_blit_reinterpret_pipe_texture_target(info->src.resource->target);
const unsigned targ = nv50_blit_texture_type(ptarg);
const unsigned mode = ctx->mode;
if (!blitter->fp[targ][mode]) {
mtx_lock(&blitter->mutex);
if (!blitter->fp[targ][mode])
blitter->fp[targ][mode] =
nv50_blitter_make_fp(&ctx->nv50->base.pipe, mode, ptarg);
pipe_mutex_unlock(blitter->mutex);
}
ctx->fp = blitter->fp[targ][mode];
}
static void
nv50_blit_set_dst(struct nv50_blitctx *ctx,
struct pipe_resource *res, unsigned level, unsigned layer,
enum pipe_format format)
{
struct nv50_context *nv50 = ctx->nv50;
struct pipe_context *pipe = &nv50->base.pipe;
struct pipe_surface templ;
if (util_format_is_depth_or_stencil(format))
templ.format = nv50_blit_zeta_to_colour_format(format);
else
templ.format = format;
templ.u.tex.level = level;
templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
if (layer == -1) {
templ.u.tex.first_layer = 0;
templ.u.tex.last_layer =
(res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
}
nv50->framebuffer.cbufs[0] = nv50_miptree_surface_new(pipe, res, &templ);
nv50->framebuffer.nr_cbufs = 1;
nv50->framebuffer.zsbuf = NULL;
nv50->framebuffer.width = nv50->framebuffer.cbufs[0]->width;
nv50->framebuffer.height = nv50->framebuffer.cbufs[0]->height;
}
static void
nv50_blit_set_src(struct nv50_blitctx *blit,
struct pipe_resource *res, unsigned level, unsigned layer,
enum pipe_format format, const uint8_t filter)
{
struct nv50_context *nv50 = blit->nv50;
struct pipe_context *pipe = &nv50->base.pipe;
struct pipe_sampler_view templ;
uint32_t flags;
enum pipe_texture_target target;
target = nv50_blit_reinterpret_pipe_texture_target(res->target);
templ.format = format;
templ.u.tex.first_level = templ.u.tex.last_level = level;
templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
templ.swizzle_r = PIPE_SWIZZLE_X;
templ.swizzle_g = PIPE_SWIZZLE_Y;
templ.swizzle_b = PIPE_SWIZZLE_Z;
templ.swizzle_a = PIPE_SWIZZLE_W;
if (layer == -1) {
templ.u.tex.first_layer = 0;
templ.u.tex.last_layer =
(res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
}
flags = res->last_level ? 0 : NV50_TEXVIEW_SCALED_COORDS;
flags |= NV50_TEXVIEW_ACCESS_RESOLVE;
if (filter && res->nr_samples == 8)
flags |= NV50_TEXVIEW_FILTER_MSAA8;
nv50->textures[2][0] = nv50_create_texture_view(
pipe, res, &templ, flags, target);
nv50->textures[2][1] = NULL;
nv50->num_textures[0] = nv50->num_textures[1] = 0;
nv50->num_textures[2] = 1;
templ.format = nv50_zs_to_s_format(format);
if (templ.format != res->format) {
nv50->textures[2][1] = nv50_create_texture_view(
pipe, res, &templ, flags, target);
nv50->num_textures[2] = 2;
}
}
static void
nv50_blitctx_prepare_state(struct nv50_blitctx *blit)
{
struct nouveau_pushbuf *push = blit->nv50->base.pushbuf;
if (blit->nv50->cond_query && !blit->render_condition_enable) {
BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
}
/* blend state */
BEGIN_NV04(push, NV50_3D(COLOR_MASK(0)), 1);
PUSH_DATA (push, blit->color_mask);
BEGIN_NV04(push, NV50_3D(BLEND_ENABLE(0)), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(LOGIC_OP_ENABLE), 1);
PUSH_DATA (push, 0);
/* rasterizer state */
#ifndef NV50_SCISSORS_CLIPPING
BEGIN_NV04(push, NV50_3D(SCISSOR_ENABLE(0)), 1);
PUSH_DATA (push, 1);
#endif
BEGIN_NV04(push, NV50_3D(VERTEX_TWO_SIDE_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(FRAG_COLOR_CLAMP_EN), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(MULTISAMPLE_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(MSAA_MASK(0)), 4);
PUSH_DATA (push, 0xffff);
PUSH_DATA (push, 0xffff);
PUSH_DATA (push, 0xffff);
PUSH_DATA (push, 0xffff);
BEGIN_NV04(push, NV50_3D(POLYGON_MODE_FRONT), 3);
PUSH_DATA (push, NV50_3D_POLYGON_MODE_FRONT_FILL);
PUSH_DATA (push, NV50_3D_POLYGON_MODE_BACK_FILL);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(CULL_FACE_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(POLYGON_STIPPLE_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(POLYGON_OFFSET_FILL_ENABLE), 1);
PUSH_DATA (push, 0);
/* zsa state */
BEGIN_NV04(push, NV50_3D(DEPTH_TEST_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(DEPTH_BOUNDS_EN), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(STENCIL_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(ALPHA_TEST_ENABLE), 1);
PUSH_DATA (push, 0);
}
static void
nv50_blitctx_pre_blit(struct nv50_blitctx *ctx,
const struct pipe_blit_info *info)
{
struct nv50_context *nv50 = ctx->nv50;
struct nv50_blitter *blitter = nv50->screen->blitter;
int s;
ctx->saved.fb.width = nv50->framebuffer.width;
ctx->saved.fb.height = nv50->framebuffer.height;
ctx->saved.fb.nr_cbufs = nv50->framebuffer.nr_cbufs;
ctx->saved.fb.cbufs[0] = nv50->framebuffer.cbufs[0];
ctx->saved.fb.zsbuf = nv50->framebuffer.zsbuf;
ctx->saved.rast = nv50->rast;
ctx->saved.vp = nv50->vertprog;
ctx->saved.gp = nv50->gmtyprog;
ctx->saved.fp = nv50->fragprog;
ctx->saved.min_samples = nv50->min_samples;
ctx->saved.window_rect = nv50->window_rect;
nv50->rast = &ctx->rast;
nv50->vertprog = &blitter->vp;
nv50->gmtyprog = NULL;
nv50->fragprog = ctx->fp;
nv50->window_rect.rects =
MIN2(info->num_window_rectangles, NV50_MAX_WINDOW_RECTANGLES);
nv50->window_rect.inclusive = info->window_rectangle_include;
if (nv50->window_rect.rects)
memcpy(nv50->window_rect.rect, info->window_rectangles,
sizeof(struct pipe_scissor_state) * nv50->window_rect.rects);
for (s = 0; s < 3; ++s) {
ctx->saved.num_textures[s] = nv50->num_textures[s];
ctx->saved.num_samplers[s] = nv50->num_samplers[s];
}
ctx->saved.texture[0] = nv50->textures[2][0];
ctx->saved.texture[1] = nv50->textures[2][1];
ctx->saved.sampler[0] = nv50->samplers[2][0];
ctx->saved.sampler[1] = nv50->samplers[2][1];
nv50->samplers[2][0] = &blitter->sampler[ctx->filter];
nv50->samplers[2][1] = &blitter->sampler[ctx->filter];
nv50->num_samplers[0] = nv50->num_samplers[1] = 0;
nv50->num_samplers[2] = 2;
nv50->min_samples = 1;
ctx->saved.dirty_3d = nv50->dirty_3d;
nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_FB);
nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_TEXTURES);
nv50->dirty_3d =
NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_MIN_SAMPLES |
NV50_NEW_3D_VERTPROG | NV50_NEW_3D_FRAGPROG | NV50_NEW_3D_GMTYPROG |
NV50_NEW_3D_TEXTURES | NV50_NEW_3D_SAMPLERS | NV50_NEW_3D_WINDOW_RECTS;
}
static void
nv50_blitctx_post_blit(struct nv50_blitctx *blit)
{
struct nv50_context *nv50 = blit->nv50;
int s;
pipe_surface_reference(&nv50->framebuffer.cbufs[0], NULL);
nv50->framebuffer.width = blit->saved.fb.width;
nv50->framebuffer.height = blit->saved.fb.height;
nv50->framebuffer.nr_cbufs = blit->saved.fb.nr_cbufs;
nv50->framebuffer.cbufs[0] = blit->saved.fb.cbufs[0];
nv50->framebuffer.zsbuf = blit->saved.fb.zsbuf;
nv50->rast = blit->saved.rast;
nv50->vertprog = blit->saved.vp;
nv50->gmtyprog = blit->saved.gp;
nv50->fragprog = blit->saved.fp;
nv50->min_samples = blit->saved.min_samples;
nv50->window_rect = blit->saved.window_rect;
pipe_sampler_view_reference(&nv50->textures[2][0], NULL);
pipe_sampler_view_reference(&nv50->textures[2][1], NULL);
for (s = 0; s < 3; ++s) {
nv50->num_textures[s] = blit->saved.num_textures[s];
nv50->num_samplers[s] = blit->saved.num_samplers[s];
}
nv50->textures[2][0] = blit->saved.texture[0];
nv50->textures[2][1] = blit->saved.texture[1];
nv50->samplers[2][0] = blit->saved.sampler[0];
nv50->samplers[2][1] = blit->saved.sampler[1];
if (nv50->cond_query && !blit->render_condition_enable)
nv50->base.pipe.render_condition(&nv50->base.pipe, nv50->cond_query,
nv50->cond_cond, nv50->cond_mode);
nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_FB);
nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_TEXTURES);
nv50->dirty_3d = blit->saved.dirty_3d |
(NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR | NV50_NEW_3D_SAMPLE_MASK |
NV50_NEW_3D_RASTERIZER | NV50_NEW_3D_ZSA | NV50_NEW_3D_BLEND |
NV50_NEW_3D_TEXTURES | NV50_NEW_3D_SAMPLERS | NV50_NEW_3D_WINDOW_RECTS |
NV50_NEW_3D_VERTPROG | NV50_NEW_3D_GMTYPROG | NV50_NEW_3D_FRAGPROG);
nv50->scissors_dirty |= 1;
nv50->base.pipe.set_min_samples(&nv50->base.pipe, blit->saved.min_samples);
}
static void
nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
{
struct nv50_blitctx *blit = nv50->blit;
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct pipe_resource *src = info->src.resource;
struct pipe_resource *dst = info->dst.resource;
int32_t minx, maxx, miny, maxy;
int32_t i;
float x0, x1, y0, y1, z;
float dz;
float x_range, y_range;
float tri_x, tri_y;
blit->mode = nv50_blit_select_mode(info);
blit->color_mask = nv50_blit_derive_color_mask(info);
blit->filter = nv50_blit_get_filter(info);
blit->render_condition_enable = info->render_condition_enable;
nv50_blit_select_fp(blit, info);
nv50_blitctx_pre_blit(blit, info);
nv50_blit_set_dst(blit, dst, info->dst.level, -1, info->dst.format);
nv50_blit_set_src(blit, src, info->src.level, -1, info->src.format,
blit->filter);
nv50_blitctx_prepare_state(blit);
nv50_state_validate_3d(nv50, ~0);
x_range = (float)info->src.box.width / (float)info->dst.box.width;
y_range = (float)info->src.box.height / (float)info->dst.box.height;
tri_x = 16384 << nv50_miptree(dst)->ms_x;
tri_y = 16384 << nv50_miptree(dst)->ms_y;
x0 = (float)info->src.box.x - x_range * (float)info->dst.box.x;
y0 = (float)info->src.box.y - y_range * (float)info->dst.box.y;
x1 = x0 + tri_x * x_range;
y1 = y0 + tri_y * y_range;
x0 *= (float)(1 << nv50_miptree(src)->ms_x);
x1 *= (float)(1 << nv50_miptree(src)->ms_x);
y0 *= (float)(1 << nv50_miptree(src)->ms_y);
y1 *= (float)(1 << nv50_miptree(src)->ms_y);
/* XXX: multiply by 6 for cube arrays ? */
dz = (float)info->src.box.depth / (float)info->dst.box.depth;
z = (float)info->src.box.z;
if (nv50_miptree(src)->layout_3d)
z += 0.5f * dz;
if (src->last_level > 0) {
/* If there are mip maps, GPU always assumes normalized coordinates. */
const unsigned l = info->src.level;
const float fh = u_minify(src->width0 << nv50_miptree(src)->ms_x, l);
const float fv = u_minify(src->height0 << nv50_miptree(src)->ms_y, l);
x0 /= fh;
x1 /= fh;
y0 /= fv;
y1 /= fv;
if (nv50_miptree(src)->layout_3d) {
z /= u_minify(src->depth0, l);
dz /= u_minify(src->depth0, l);
}
}
BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
PUSH_DATA (push, 0x1);
/* Draw a large triangle in screen coordinates covering the whole
* render target, with scissors defining the destination region.
* The vertex is supplied with non-normalized texture coordinates
* arranged in a way to yield the desired offset and scale.
*/
minx = info->dst.box.x;
maxx = info->dst.box.x + info->dst.box.width;
miny = info->dst.box.y;
maxy = info->dst.box.y + info->dst.box.height;
if (info->scissor_enable) {
minx = MAX2(minx, info->scissor.minx);
maxx = MIN2(maxx, info->scissor.maxx);
miny = MAX2(miny, info->scissor.miny);
maxy = MIN2(maxy, info->scissor.maxy);
}
BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
PUSH_DATA (push, (maxx << 16) | minx);
PUSH_DATA (push, (maxy << 16) | miny);
for (i = 0; i < info->dst.box.depth; ++i, z += dz) {
if (info->dst.box.z + i) {
BEGIN_NV04(push, NV50_3D(LAYER), 1);
PUSH_DATA (push, info->dst.box.z + i);
}
PUSH_SPACE(push, 32);
BEGIN_NV04(push, NV50_3D(VERTEX_BEGIN_GL), 1);
PUSH_DATA (push, NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_TRIANGLES);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
PUSH_DATAf(push, x0);
PUSH_DATAf(push, y0);
PUSH_DATAf(push, z);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
PUSH_DATAf(push, 0.0f);
PUSH_DATAf(push, 0.0f);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
PUSH_DATAf(push, x1);
PUSH_DATAf(push, y0);
PUSH_DATAf(push, z);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
PUSH_DATAf(push, tri_x);
PUSH_DATAf(push, 0.0f);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
PUSH_DATAf(push, x0);
PUSH_DATAf(push, y1);
PUSH_DATAf(push, z);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
PUSH_DATAf(push, 0.0f);
PUSH_DATAf(push, tri_y);
BEGIN_NV04(push, NV50_3D(VERTEX_END_GL), 1);
PUSH_DATA (push, 0);
}
if (info->dst.box.z + info->dst.box.depth - 1) {
BEGIN_NV04(push, NV50_3D(LAYER), 1);
PUSH_DATA (push, 0);
}
/* re-enable normally constant state */
BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
PUSH_DATA (push, 1);
nv50_blitctx_post_blit(blit);
}
static void
nv50_blit_eng2d(struct nv50_context *nv50, const struct pipe_blit_info *info)
{
struct nouveau_pushbuf *push = nv50->base.pushbuf;
struct nv50_miptree *dst = nv50_miptree(info->dst.resource);
struct nv50_miptree *src = nv50_miptree(info->src.resource);
const int32_t srcx_adj = info->src.box.width < 0 ? -1 : 0;
const int32_t srcy_adj = info->src.box.height < 0 ? -1 : 0;
const int32_t dz = info->dst.box.z;
const int32_t sz = info->src.box.z;
uint32_t dstw, dsth;
int32_t dstx, dsty;
int64_t srcx, srcy;
int64_t du_dx, dv_dy;
int i;
uint32_t mode;
uint32_t mask = nv50_blit_eng2d_get_mask(info);
bool b;
mode = nv50_blit_get_filter(info) ?
NV50_2D_BLIT_CONTROL_FILTER_BILINEAR :
NV50_2D_BLIT_CONTROL_FILTER_POINT_SAMPLE;
mode |= (src->base.base.nr_samples > dst->base.base.nr_samples) ?
NV50_2D_BLIT_CONTROL_ORIGIN_CORNER : NV50_2D_BLIT_CONTROL_ORIGIN_CENTER;
du_dx = ((int64_t)info->src.box.width << 32) / info->dst.box.width;
dv_dy = ((int64_t)info->src.box.height << 32) / info->dst.box.height;
b = info->dst.format == info->src.format;
nv50_2d_texture_set(push, 1, dst, info->dst.level, dz, info->dst.format, b);
nv50_2d_texture_set(push, 0, src, info->src.level, sz, info->src.format, b);
if (info->scissor_enable) {
BEGIN_NV04(push, NV50_2D(CLIP_X), 5);
PUSH_DATA (push, info->scissor.minx << dst->ms_x);
PUSH_DATA (push, info->scissor.miny << dst->ms_y);
PUSH_DATA (push, (info->scissor.maxx - info->scissor.minx) << dst->ms_x);
PUSH_DATA (push, (info->scissor.maxy - info->scissor.miny) << dst->ms_y);
PUSH_DATA (push, 1); /* enable */
}
if (nv50->cond_query && info->render_condition_enable) {
BEGIN_NV04(push, NV50_2D(COND_MODE), 1);
PUSH_DATA (push, nv50->cond_condmode);
}
if (mask != 0xffffffff) {
BEGIN_NV04(push, NV50_2D(ROP), 1);
PUSH_DATA (push, 0xca); /* DPSDxax */
BEGIN_NV04(push, NV50_2D(PATTERN_COLOR_FORMAT), 1);
PUSH_DATA (push, NV50_2D_PATTERN_COLOR_FORMAT_A8R8G8B8);
BEGIN_NV04(push, NV50_2D(PATTERN_BITMAP_COLOR(0)), 4);
PUSH_DATA (push, 0x00000000);
PUSH_DATA (push, mask);
PUSH_DATA (push, 0xffffffff);
PUSH_DATA (push, 0xffffffff);
BEGIN_NV04(push, NV50_2D(OPERATION), 1);
PUSH_DATA (push, NV50_2D_OPERATION_ROP);
} else
if (info->src.format != info->dst.format) {
if (info->src.format == PIPE_FORMAT_R8_UNORM ||
info->src.format == PIPE_FORMAT_R16_UNORM ||
info->src.format == PIPE_FORMAT_R16_FLOAT ||
info->src.format == PIPE_FORMAT_R32_FLOAT) {
mask = 0xffff0000; /* also makes condition for OPERATION reset true */
BEGIN_NV04(push, NV50_2D(BETA4), 2);
PUSH_DATA (push, mask);
PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY_PREMULT);
}
}
if (src->ms_x > dst->ms_x || src->ms_y > dst->ms_y) {
/* ms_x is always >= ms_y */
du_dx <<= src->ms_x - dst->ms_x;
dv_dy <<= src->ms_y - dst->ms_y;
} else {
du_dx >>= dst->ms_x - src->ms_x;
dv_dy >>= dst->ms_y - src->ms_y;
}
srcx = (int64_t)(info->src.box.x + srcx_adj) << (src->ms_x + 32);
srcy = (int64_t)(info->src.box.y + srcy_adj) << (src->ms_y + 32);
if (src->base.base.nr_samples > dst->base.base.nr_samples) {
/* center src coorinates for proper MS resolve filtering */
srcx += (int64_t)1 << (src->ms_x + 31);
srcy += (int64_t)1 << (src->ms_y + 31);
}
dstx = info->dst.box.x << dst->ms_x;
dsty = info->dst.box.y << dst->ms_y;
dstw = info->dst.box.width << dst->ms_x;
dsth = info->dst.box.height << dst->ms_y;
if (dstx < 0) {
dstw += dstx;
srcx -= du_dx * dstx;
dstx = 0;
}
if (dsty < 0) {
dsth += dsty;
srcy -= dv_dy * dsty;
dsty = 0;
}
BEGIN_NV04(push, NV50_2D(BLIT_CONTROL), 1);
PUSH_DATA (push, mode);
BEGIN_NV04(push, NV50_2D(BLIT_DST_X), 4);
PUSH_DATA (push, dstx);
PUSH_DATA (push, dsty);
PUSH_DATA (push, dstw);
PUSH_DATA (push, dsth);
BEGIN_NV04(push, NV50_2D(BLIT_DU_DX_FRACT), 4);
PUSH_DATA (push, du_dx);
PUSH_DATA (push, du_dx >> 32);
PUSH_DATA (push, dv_dy);
PUSH_DATA (push, dv_dy >> 32);
BCTX_REFN(nv50->bufctx, 2D, &dst->base, WR);
BCTX_REFN(nv50->bufctx, 2D, &src->base, RD);
nouveau_pushbuf_bufctx(nv50->base.pushbuf, nv50->bufctx);
if (nouveau_pushbuf_validate(nv50->base.pushbuf))
return;
for (i = 0; i < info->dst.box.depth; ++i) {
if (i > 0) {
/* no scaling in z-direction possible for eng2d blits */
if (dst->layout_3d) {
BEGIN_NV04(push, NV50_2D(DST_LAYER), 1);
PUSH_DATA (push, info->dst.box.z + i);
} else {
const unsigned z = info->dst.box.z + i;
const uint64_t address = dst->base.address +
dst->level[info->dst.level].offset +
z * dst->layer_stride;
BEGIN_NV04(push, NV50_2D(DST_ADDRESS_HIGH), 2);
PUSH_DATAh(push, address);
PUSH_DATA (push, address);
}
if (src->layout_3d) {
/* not possible because of depth tiling */
assert(0);
} else {
const unsigned z = info->src.box.z + i;
const uint64_t address = src->base.address +
src->level[info->src.level].offset +
z * src->layer_stride;
BEGIN_NV04(push, NV50_2D(SRC_ADDRESS_HIGH), 2);
PUSH_DATAh(push, address);
PUSH_DATA (push, address);
}
BEGIN_NV04(push, NV50_2D(BLIT_SRC_Y_INT), 1); /* trigger */
PUSH_DATA (push, srcy >> 32);
} else {
BEGIN_NV04(push, NV50_2D(BLIT_SRC_X_FRACT), 4);
PUSH_DATA (push, srcx);
PUSH_DATA (push, srcx >> 32);
PUSH_DATA (push, srcy);
PUSH_DATA (push, srcy >> 32);
}
}
nv50_bufctx_fence(nv50->bufctx, false);
nouveau_bufctx_reset(nv50->bufctx, NV50_BIND_2D);
if (info->scissor_enable) {
BEGIN_NV04(push, NV50_2D(CLIP_ENABLE), 1);
PUSH_DATA (push, 0);
}
if (mask != 0xffffffff) {
BEGIN_NV04(push, NV50_2D(OPERATION), 1);
PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
}
if (nv50->cond_query && info->render_condition_enable) {
BEGIN_NV04(push, NV50_2D(COND_MODE), 1);
PUSH_DATA (push, NV50_2D_COND_MODE_ALWAYS);
}
}
static void
nv50_blit(struct pipe_context *pipe, const struct pipe_blit_info *info)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_pushbuf *push = nv50->base.pushbuf;
bool eng3d = FALSE;
if (util_format_is_depth_or_stencil(info->dst.resource->format)) {
if (!(info->mask & PIPE_MASK_ZS))
return;
if (info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT ||
info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
eng3d = true;
if (info->filter != PIPE_TEX_FILTER_NEAREST)
eng3d = true;
} else {
if (!(info->mask & PIPE_MASK_RGBA))
return;
if (info->mask != PIPE_MASK_RGBA)
eng3d = true;
}
if (nv50_miptree(info->src.resource)->layout_3d) {
eng3d = true;
} else
if (info->src.box.depth != info->dst.box.depth) {
eng3d = true;
debug_printf("blit: cannot filter array or cube textures in z direction");
}
if (!eng3d && info->dst.format != info->src.format) {
if (!nv50_2d_dst_format_faithful(info->dst.format) ||
!nv50_2d_src_format_faithful(info->src.format)) {
eng3d = true;
} else
if (!nv50_2d_src_format_faithful(info->src.format)) {
if (!util_format_is_luminance(info->src.format)) {
if (util_format_is_intensity(info->src.format))
eng3d = true;
else
if (!nv50_2d_dst_format_ops_supported(info->dst.format))
eng3d = true;
else
eng3d = !nv50_2d_format_supported(info->src.format);
}
} else
if (util_format_is_luminance_alpha(info->src.format))
eng3d = true;
}
if (info->src.resource->nr_samples == 8 &&
info->dst.resource->nr_samples <= 1)
eng3d = true;
if (info->num_window_rectangles > 0 || info->window_rectangle_include)
eng3d = true;
/* FIXME: can't make this work with eng2d anymore */
if ((info->src.resource->nr_samples | 1) !=
(info->dst.resource->nr_samples | 1))
eng3d = true;
/* FIXME: find correct src coordinate adjustments */
if ((info->src.box.width != info->dst.box.width &&
info->src.box.width != -info->dst.box.width) ||
(info->src.box.height != info->dst.box.height &&
info->src.box.height != -info->dst.box.height))
eng3d = true;
if (nv50->screen->num_occlusion_queries_active) {
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 0);
}
if (!eng3d)
nv50_blit_eng2d(nv50, info);
else
nv50_blit_3d(nv50, info);
if (nv50->screen->num_occlusion_queries_active) {
BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
PUSH_DATA (push, 1);
}
}
static void
nv50_flush_resource(struct pipe_context *ctx,
struct pipe_resource *resource)
{
}
bool
nv50_blitter_create(struct nv50_screen *screen)
{
screen->blitter = CALLOC_STRUCT(nv50_blitter);
if (!screen->blitter) {
NOUVEAU_ERR("failed to allocate blitter struct\n");
return false;
}
(void) mtx_init(&screen->blitter->mutex, mtx_plain);
nv50_blitter_make_vp(screen->blitter);
nv50_blitter_make_sampler(screen->blitter);
return true;
}
void
nv50_blitter_destroy(struct nv50_screen *screen)
{
struct nv50_blitter *blitter = screen->blitter;
unsigned i, m;
for (i = 0; i < NV50_BLIT_MAX_TEXTURE_TYPES; ++i) {
for (m = 0; m < NV50_BLIT_MODES; ++m) {
struct nv50_program *prog = blitter->fp[i][m];
if (prog) {
nv50_program_destroy(NULL, prog);
FREE((void *)prog->pipe.tokens);
FREE(prog);
}
}
}
mtx_destroy(&blitter->mutex);
FREE(blitter);
}
bool
nv50_blitctx_create(struct nv50_context *nv50)
{
nv50->blit = CALLOC_STRUCT(nv50_blitctx);
if (!nv50->blit) {
NOUVEAU_ERR("failed to allocate blit context\n");
return false;
}
nv50->blit->nv50 = nv50;
nv50->blit->rast.pipe.half_pixel_center = 1;
return true;
}
void
nv50_init_surface_functions(struct nv50_context *nv50)
{
struct pipe_context *pipe = &nv50->base.pipe;
pipe->resource_copy_region = nv50_resource_copy_region;
pipe->blit = nv50_blit;
pipe->flush_resource = nv50_flush_resource;
pipe->clear_texture = nv50_clear_texture;
pipe->clear_render_target = nv50_clear_render_target;
pipe->clear_depth_stencil = nv50_clear_depth_stencil;
pipe->clear_buffer = nv50_clear_buffer;
}
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