/**
* Get a tile from the cache.
* \param x, y position of tile, in pixels
*/
struct softpipe_cached_tile *
sp_find_cached_tile(struct softpipe_tile_cache *tc,
union tile_address addr )
{
struct pipe_transfer *pt = tc->transfer;
/* cache pos/entry: */
const int pos = CACHE_POS(addr.bits.x,
addr.bits.y);
struct softpipe_cached_tile *tile = tc->entries[pos];
if (!tile) {
tile = sp_alloc_tile(tc);
tc->entries[pos] = tile;
}
if (addr.value != tc->tile_addrs[pos].value) {
assert(pt->resource);
if (tc->tile_addrs[pos].bits.invalid == 0) {
/* put dirty tile back in framebuffer */
if (tc->depth_stencil) {
pipe_put_tile_raw(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tile->data.depth32, 0/*STRIDE*/);
}
else {
if (util_format_is_pure_uint(tc->surface->format)) {
pipe_put_tile_ui_format(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tc->surface->format,
(unsigned *) tile->data.colorui128);
} else if (util_format_is_pure_sint(tc->surface->format)) {
pipe_put_tile_i_format(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tc->surface->format,
(int *) tile->data.colori128);
} else {
pipe_put_tile_rgba_format(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tc->surface->format,
(float *) tile->data.color);
}
}
}
tc->tile_addrs[pos] = addr;
if (is_clear_flag_set(tc->clear_flags, addr)) {
/* don't get tile from framebuffer, just clear it */
if (tc->depth_stencil) {
clear_tile(tile, pt->resource->format, tc->clear_val);
}
else {
clear_tile_rgba(tile, pt->resource->format, &tc->clear_color);
}
clear_clear_flag(tc->clear_flags, addr);
}
else {
/* get new tile data from transfer */
if (tc->depth_stencil) {
pipe_get_tile_raw(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tile->data.depth32, 0/*STRIDE*/);
}
else {
if (util_format_is_pure_uint(tc->surface->format)) {
pipe_get_tile_ui_format(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tc->surface->format,
(unsigned *) tile->data.colorui128);
} else if (util_format_is_pure_sint(tc->surface->format)) {
pipe_get_tile_i_format(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tc->surface->format,
(int *) tile->data.colori128);
} else {
pipe_get_tile_rgba_format(tc->pipe, pt,
tc->tile_addrs[pos].bits.x * TILE_SIZE,
tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
tc->surface->format,
(float *) tile->data.color);
}
}
}
}
tc->last_tile = tile;
tc->last_tile_addr = addr;
return tile;
}
/**
* Similar to sp_get_cached_tile() but for textures.
* Tiles are read-only and indexed with more params.
*/
const struct softpipe_tex_cached_tile *
sp_find_cached_tile_tex(struct softpipe_tex_tile_cache *tc,
union tex_tile_address addr )
{
struct softpipe_tex_cached_tile *tile;
boolean zs = util_format_is_depth_or_stencil(tc->format);
tile = tc->entries + tex_cache_pos( addr );
if (addr.value != tile->addr.value) {
/* cache miss. Most misses are because we've invaldiated the
* texture cache previously -- most commonly on binding a new
* texture. Currently we effectively flush the cache on texture
* bind.
*/
#if 0
_debug_printf("miss at %u: x=%d y=%d z=%d face=%d level=%d\n"
" tile %u: x=%d y=%d z=%d face=%d level=%d\n",
pos, x/TILE_SIZE, y/TILE_SIZE, z, face, level,
pos, tile->addr.bits.x, tile->addr.bits.y, tile->z, tile->face, tile->level);
#endif
/* check if we need to get a new transfer */
if (!tc->tex_trans ||
tc->tex_face != addr.bits.face ||
tc->tex_level != addr.bits.level ||
tc->tex_z != addr.bits.z) {
/* get new transfer (view into texture) */
unsigned width, height, layer;
if (tc->tex_trans) {
if (tc->tex_trans_map) {
tc->pipe->transfer_unmap(tc->pipe, tc->tex_trans);
tc->tex_trans_map = NULL;
}
tc->pipe->transfer_destroy(tc->pipe, tc->tex_trans);
tc->tex_trans = NULL;
}
width = u_minify(tc->texture->width0, addr.bits.level);
if (tc->texture->target == PIPE_TEXTURE_1D_ARRAY) {
height = tc->texture->array_size;
layer = 0;
}
else {
height = u_minify(tc->texture->height0, addr.bits.level);
layer = addr.bits.face + addr.bits.z;
}
tc->tex_trans =
pipe_get_transfer(tc->pipe, tc->texture,
addr.bits.level,
layer,
PIPE_TRANSFER_READ | PIPE_TRANSFER_UNSYNCHRONIZED,
0, 0, width, height);
tc->tex_trans_map = tc->pipe->transfer_map(tc->pipe, tc->tex_trans);
tc->tex_face = addr.bits.face;
tc->tex_level = addr.bits.level;
tc->tex_z = addr.bits.z;
}
/* Get tile from the transfer (view into texture), explicitly passing
* the image format.
*/
if (!zs && util_format_is_pure_uint(tc->format)) {
pipe_get_tile_ui_format(tc->pipe,
tc->tex_trans,
addr.bits.x * TILE_SIZE,
addr.bits.y * TILE_SIZE,
TILE_SIZE,
TILE_SIZE,
tc->format,
(unsigned *) tile->data.colorui);
} else if (!zs && util_format_is_pure_sint(tc->format)) {
pipe_get_tile_i_format(tc->pipe,
tc->tex_trans,
addr.bits.x * TILE_SIZE,
addr.bits.y * TILE_SIZE,
TILE_SIZE,
TILE_SIZE,
tc->format,
(int *) tile->data.colori);
} else {
pipe_get_tile_rgba_format(tc->pipe,
tc->tex_trans,
addr.bits.x * TILE_SIZE,
addr.bits.y * TILE_SIZE,
TILE_SIZE,
TILE_SIZE,
tc->format,
(float *) tile->data.color);
}
tile->addr = addr;
}
tc->last_tile = tile;
return tile;
}
