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#include "pipe/p_context.h"
#include "pipe/p_inlines.h"
#include "nv50_context.h"
struct nv50_transfer {
struct pipe_transfer base;
struct pipe_buffer *buffer;
unsigned level_offset;
int level_pitch;
int level_width;
int level_height;
int level_x;
int level_y;
};
static void
nv50_transfer_rect_m2mf(struct pipe_screen *pscreen, struct pipe_buffer *src,
unsigned src_offset, int src_pitch, int sx, int sy,
int sw, int sh, struct pipe_buffer *dst,
unsigned dst_offset, int dst_pitch, int dx, int dy,
int dw, int dh, int cpp, int width, int height,
unsigned src_reloc, unsigned dst_reloc)
{
struct nv50_screen *screen = nv50_screen(pscreen);
struct nouveau_winsys *nvws = screen->nvws;
struct nouveau_channel *chan = nvws->channel;
struct nouveau_grobj *m2mf = screen->m2mf;
struct nouveau_bo *src_bo = nvws->get_bo(src);
struct nouveau_bo *dst_bo = nvws->get_bo(dst);
src_reloc |= NOUVEAU_BO_RD;
dst_reloc |= NOUVEAU_BO_WR;
WAIT_RING (chan, 14);
if (!src_bo->tiled) {
BEGIN_RING(chan, m2mf, 0x0200, 1);
OUT_RING (chan, 1);
BEGIN_RING(chan, m2mf, 0x0314, 1);
OUT_RING (chan, src_pitch);
src_offset += (sy * src_pitch) + (sx * cpp);
} else {
BEGIN_RING(chan, m2mf, 0x0200, 6);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
OUT_RING (chan, sw * cpp);
OUT_RING (chan, sh);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
}
if (!dst_bo->tiled) {
BEGIN_RING(chan, m2mf, 0x021c, 1);
OUT_RING (chan, 1);
BEGIN_RING(chan, m2mf, 0x0318, 1);
OUT_RING (chan, dst_pitch);
dst_offset += (dy * dst_pitch) + (dx * cpp);
} else {
BEGIN_RING(chan, m2mf, 0x021c, 6);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
OUT_RING (chan, dw * cpp);
OUT_RING (chan, dh);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
}
while (height) {
int line_count = height > 2047 ? 2047 : height;
WAIT_RING (chan, 15);
BEGIN_RING(chan, m2mf, 0x0238, 2);
OUT_RELOCh(chan, src_bo, src_offset, src_reloc);
OUT_RELOCh(chan, dst_bo, dst_offset, dst_reloc);
BEGIN_RING(chan, m2mf, 0x030c, 2);
OUT_RELOCl(chan, src_bo, src_offset, src_reloc);
OUT_RELOCl(chan, dst_bo, dst_offset, dst_reloc);
if (src_bo->tiled) {
BEGIN_RING(chan, m2mf, 0x0218, 1);
OUT_RING (chan, (dy << 16) | sx);
} else {
src_offset += (line_count * src_pitch);
}
if (dst_bo->tiled) {
BEGIN_RING(chan, m2mf, 0x0234, 1);
OUT_RING (chan, (sy << 16) | dx);
} else {
dst_offset += (line_count * dst_pitch);
}
BEGIN_RING(chan, m2mf, 0x031c, 4);
OUT_RING (chan, width * cpp);
OUT_RING (chan, line_count);
OUT_RING (chan, 0x00000101);
OUT_RING (chan, 0);
FIRE_RING (chan);
height -= line_count;
sy += line_count;
dy += line_count;
}
}
static struct pipe_transfer *
nv50_transfer_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
unsigned face, unsigned level, unsigned zslice,
enum pipe_transfer_usage usage,
unsigned x, unsigned y, unsigned w, unsigned h)
{
struct nv50_miptree *mt = nv50_miptree(pt);
struct nv50_miptree_level *lvl = &mt->level[level];
struct nv50_transfer *tx;
unsigned image = 0;
if (pt->target == PIPE_TEXTURE_CUBE)
image = face;
else
if (pt->target == PIPE_TEXTURE_3D)
image = zslice;
tx = CALLOC_STRUCT(nv50_transfer);
if (!tx)
return NULL;
pipe_texture_reference(&tx->base.texture, pt);
tx->base.format = pt->format;
tx->base.width = w;
tx->base.height = h;
tx->base.block = pt->block;
tx->base.nblocksx = pt->nblocksx[level];
tx->base.nblocksy = pt->nblocksy[level];
tx->base.stride = (w * pt->block.size);
tx->base.usage = usage;
tx->level_pitch = lvl->pitch;
tx->level_width = mt->base.width[level];
tx->level_height = mt->base.height[level];
tx->level_offset = lvl->image_offset[image];
tx->level_x = x;
tx->level_y = y;
tx->buffer =
pipe_buffer_create(pscreen, 0, NOUVEAU_BUFFER_USAGE_TRANSFER,
w * tx->base.block.size * h);
if (usage != PIPE_TRANSFER_WRITE) {
nv50_transfer_rect_m2mf(pscreen, mt->buffer, tx->level_offset,
tx->level_pitch, x, y, tx->level_width,
tx->level_height, tx->buffer, 0,
tx->base.stride, 0, 0,
tx->base.width, tx->base.height,
tx->base.block.size, w, h,
NOUVEAU_BO_VRAM | NOUVEAU_BO_GART,
NOUVEAU_BO_GART);
}
return &tx->base;
}
static void
nv50_transfer_del(struct pipe_transfer *ptx)
{
struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
struct nv50_miptree *mt = nv50_miptree(ptx->texture);
if (ptx->usage != PIPE_TRANSFER_READ) {
struct pipe_screen *pscreen = ptx->texture->screen;
nv50_transfer_rect_m2mf(pscreen, tx->buffer, 0, tx->base.stride,
0, 0, tx->base.width, tx->base.height,
mt->buffer, tx->level_offset,
tx->level_pitch, tx->level_x,
tx->level_y, tx->level_width,
tx->level_height, tx->base.block.size,
tx->base.width, tx->base.height,
NOUVEAU_BO_GART, NOUVEAU_BO_VRAM |
NOUVEAU_BO_GART);
}
pipe_buffer_reference(&tx->buffer, NULL);
pipe_texture_reference(&ptx->texture, NULL);
FREE(ptx);
}
static void *
nv50_transfer_map(struct pipe_screen *pscreen, struct pipe_transfer *ptx)
{
struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
unsigned flags = 0;
if (ptx->usage & PIPE_TRANSFER_WRITE)
flags |= PIPE_BUFFER_USAGE_CPU_WRITE;
if (ptx->usage & PIPE_TRANSFER_READ)
flags |= PIPE_BUFFER_USAGE_CPU_READ;
return pipe_buffer_map(pscreen, tx->buffer, flags);
}
static void
nv50_transfer_unmap(struct pipe_screen *pscreen, struct pipe_transfer *ptx)
{
struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
pipe_buffer_unmap(pscreen, tx->buffer);
}
void
nv50_transfer_init_screen_functions(struct pipe_screen *pscreen)
{
pscreen->get_tex_transfer = nv50_transfer_new;
pscreen->tex_transfer_destroy = nv50_transfer_del;
pscreen->transfer_map = nv50_transfer_map;
pscreen->transfer_unmap = nv50_transfer_unmap;
}
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