#include "util/u_tile.h"
#include "sp_tile_cache.h"
+static struct softpipe_cached_tile *
+sp_alloc_tile(struct softpipe_tile_cache *tc);
/**
struct softpipe_tile_cache *
-sp_create_tile_cache( struct pipe_screen *screen )
+sp_create_tile_cache( struct pipe_context *pipe )
{
struct softpipe_tile_cache *tc;
uint pos;
int maxLevels, maxTexSize;
/* sanity checking: max sure MAX_WIDTH/HEIGHT >= largest texture image */
- maxLevels = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
+ maxLevels = pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
maxTexSize = 1 << (maxLevels - 1);
assert(MAX_WIDTH >= maxTexSize);
+ assert(sizeof(union tile_address) == 4);
+
+ assert((TILE_SIZE << TILE_ADDR_BITS) >= MAX_WIDTH);
+
tc = CALLOC_STRUCT( softpipe_tile_cache );
if (tc) {
- tc->screen = screen;
+ tc->pipe = pipe;
for (pos = 0; pos < NUM_ENTRIES; pos++) {
- tc->entries[pos].addr.bits.invalid = 1;
+ tc->tile_addrs[pos].bits.invalid = 1;
+ }
+ tc->last_tile_addr.bits.invalid = 1;
+
+ /* this allocation allows us to guarantee that allocation
+ * failures are never fatal later
+ */
+ tc->tile = MALLOC_STRUCT( softpipe_cached_tile );
+ if (!tc->tile)
+ {
+ FREE(tc);
+ return NULL;
}
- tc->last_tile = &tc->entries[0]; /* any tile */
/* XXX this code prevents valgrind warnings about use of uninitialized
* memory in programs that don't clear the surface before rendering.
* However, it breaks clearing in other situations (such as in
* progs/tests/drawbuffers, see bug 24402).
*/
-#if 0 && TILE_CLEAR_OPTIMIZATION
+#if 0
/* set flags to indicate all the tiles are cleared */
memset(tc->clear_flags, 255, sizeof(tc->clear_flags));
#endif
void
sp_destroy_tile_cache(struct softpipe_tile_cache *tc)
{
- struct pipe_screen *screen;
- uint pos;
+ if (tc) {
+ uint pos;
- for (pos = 0; pos < NUM_ENTRIES; pos++) {
- /*assert(tc->entries[pos].x < 0);*/
- }
- if (tc->transfer) {
- screen = tc->transfer->texture->screen;
- screen->tex_transfer_destroy(tc->transfer);
- }
+ for (pos = 0; pos < NUM_ENTRIES; pos++) {
+ /*assert(tc->entries[pos].x < 0);*/
+ FREE( tc->entries[pos] );
+ }
+ FREE( tc->tile );
- FREE( tc );
+ if (tc->transfer) {
+ tc->pipe->transfer_destroy(tc->pipe, tc->transfer);
+ }
+
+ FREE( tc );
+ }
}
sp_tile_cache_set_surface(struct softpipe_tile_cache *tc,
struct pipe_surface *ps)
{
- if (tc->transfer) {
- struct pipe_screen *screen = tc->transfer->texture->screen;
+ struct pipe_context *pipe = tc->pipe;
+ if (tc->transfer) {
if (ps == tc->surface)
return;
if (tc->transfer_map) {
- screen->transfer_unmap(screen, tc->transfer);
+ pipe->transfer_unmap(pipe, tc->transfer);
tc->transfer_map = NULL;
}
- screen->tex_transfer_destroy(tc->transfer);
+ pipe->transfer_destroy(pipe, tc->transfer);
tc->transfer = NULL;
}
tc->surface = ps;
if (ps) {
- struct pipe_screen *screen = ps->texture->screen;
-
- tc->transfer = screen->get_tex_transfer(screen, ps->texture, ps->face,
- ps->level, ps->zslice,
- PIPE_TRANSFER_READ_WRITE,
- 0, 0, ps->width, ps->height);
-
- tc->depth_stencil = (ps->format == PIPE_FORMAT_Z24S8_UNORM ||
- ps->format == PIPE_FORMAT_Z24X8_UNORM ||
- ps->format == PIPE_FORMAT_S8Z24_UNORM ||
- ps->format == PIPE_FORMAT_X8Z24_UNORM ||
- ps->format == PIPE_FORMAT_Z16_UNORM ||
- ps->format == PIPE_FORMAT_Z32_UNORM ||
- ps->format == PIPE_FORMAT_S8_UNORM);
+ tc->transfer = pipe_get_transfer(pipe, ps->texture,
+ ps->u.tex.level, ps->u.tex.first_layer,
+ PIPE_TRANSFER_READ_WRITE |
+ PIPE_TRANSFER_UNSYNCHRONIZED,
+ 0, 0, ps->width, ps->height);
+
+ tc->depth_stencil = util_format_is_depth_or_stencil(ps->format);
}
}
sp_tile_cache_map_transfers(struct softpipe_tile_cache *tc)
{
if (tc->transfer && !tc->transfer_map)
- tc->transfer_map = tc->screen->transfer_map(tc->screen, tc->transfer);
+ tc->transfer_map = tc->pipe->transfer_map(tc->pipe, tc->transfer);
}
sp_tile_cache_unmap_transfers(struct softpipe_tile_cache *tc)
{
if (tc->transfer_map) {
- tc->screen->transfer_unmap(tc->screen, tc->transfer);
+ tc->pipe->transfer_unmap(tc->pipe, tc->transfer);
tc->transfer_map = NULL;
}
}
sp_tile_cache_flush_clear(struct softpipe_tile_cache *tc)
{
struct pipe_transfer *pt = tc->transfer;
- const uint w = tc->transfer->width;
- const uint h = tc->transfer->height;
+ const uint w = tc->transfer->box.width;
+ const uint h = tc->transfer->box.height;
uint x, y;
uint numCleared = 0;
- assert(pt->texture);
+ assert(pt->resource);
+ if (!tc->tile)
+ tc->tile = sp_alloc_tile(tc);
+
/* clear the scratch tile to the clear value */
- clear_tile(&tc->tile, pt->texture->format, tc->clear_val);
+ if (tc->depth_stencil) {
+ clear_tile(tc->tile, pt->resource->format, tc->clear_val);
+ } else {
+ clear_tile_rgba(tc->tile, pt->resource->format, tc->clear_color);
+ }
/* push the tile to all positions marked as clear */
for (y = 0; y < h; y += TILE_SIZE) {
union tile_address addr = tile_address(x, y);
if (is_clear_flag_set(tc->clear_flags, addr)) {
- pipe_put_tile_raw(pt,
- x, y, TILE_SIZE, TILE_SIZE,
- tc->tile.data.color32, 0/*STRIDE*/);
-
+ /* write the scratch tile to the surface */
+ if (tc->depth_stencil) {
+ pipe_put_tile_raw(tc->pipe,
+ pt,
+ x, y, TILE_SIZE, TILE_SIZE,
+ tc->tile->data.any, 0/*STRIDE*/);
+ }
+ else {
+ pipe_put_tile_rgba(tc->pipe, pt,
+ x, y, TILE_SIZE, TILE_SIZE,
+ (float *) tc->tile->data.color);
+ }
numCleared++;
}
}
#endif
}
+static void
+sp_flush_tile(struct softpipe_tile_cache* tc, unsigned pos)
+{
+ if (!tc->tile_addrs[pos].bits.invalid) {
+ if (tc->depth_stencil) {
+ pipe_put_tile_raw(tc->pipe, tc->transfer,
+ tc->tile_addrs[pos].bits.x * TILE_SIZE,
+ tc->tile_addrs[pos].bits.y * TILE_SIZE,
+ TILE_SIZE, TILE_SIZE,
+ tc->entries[pos]->data.depth32, 0/*STRIDE*/);
+ }
+ else {
+ pipe_put_tile_rgba_format(tc->pipe, tc->transfer,
+ tc->tile_addrs[pos].bits.x * TILE_SIZE,
+ tc->tile_addrs[pos].bits.y * TILE_SIZE,
+ TILE_SIZE, TILE_SIZE,
+ tc->surface->format,
+ (float *) tc->entries[pos]->data.color);
+ }
+ tc->tile_addrs[pos].bits.invalid = 1; /* mark as empty */
+ }
+}
/**
* Flush the tile cache: write all dirty tiles back to the transfer.
if (pt) {
/* caching a drawing transfer */
for (pos = 0; pos < NUM_ENTRIES; pos++) {
- struct softpipe_cached_tile *tile = tc->entries + pos;
- if (!tile->addr.bits.invalid) {
- if (tc->depth_stencil) {
- pipe_put_tile_raw(pt,
- tile->addr.bits.x * TILE_SIZE,
- tile->addr.bits.y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- tile->data.depth32, 0/*STRIDE*/);
- }
- else {
- pipe_put_tile_rgba(pt,
- tile->addr.bits.x * TILE_SIZE,
- tile->addr.bits.y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- (float *) tile->data.color);
- }
- tile->addr.bits.invalid = 1; /* mark as empty */
- inuse++;
+ struct softpipe_cached_tile *tile = tc->entries[pos];
+ if (!tile)
+ {
+ assert(tc->tile_addrs[pos].bits.invalid);
+ continue;
}
+
+ sp_flush_tile(tc, pos);
+ ++inuse;
}
-#if TILE_CLEAR_OPTIMIZATION
sp_tile_cache_flush_clear(tc);
-#endif
+
+
+ tc->last_tile_addr.bits.invalid = 1;
}
#if 0
#endif
}
+static struct softpipe_cached_tile *
+sp_alloc_tile(struct softpipe_tile_cache *tc)
+{
+ struct softpipe_cached_tile * tile = MALLOC_STRUCT(softpipe_cached_tile);
+ if (!tile)
+ {
+ /* in this case, steal an existing tile */
+ if (!tc->tile)
+ {
+ unsigned pos;
+ for (pos = 0; pos < NUM_ENTRIES; ++pos) {
+ if (!tc->entries[pos])
+ continue;
+
+ sp_flush_tile(tc, pos);
+ tc->tile = tc->entries[pos];
+ tc->entries[pos] = NULL;
+ break;
+ }
+
+ /* this should never happen */
+ if (!tc->tile)
+ abort();
+ }
+
+ tile = tc->tile;
+ tc->tile = NULL;
+
+ tc->last_tile_addr.bits.invalid = 1;
+ }
+ return tile;
+}
/**
* Get a tile from the cache.
/* cache pos/entry: */
const int pos = CACHE_POS(addr.bits.x,
addr.bits.y);
- struct softpipe_cached_tile *tile = tc->entries + pos;
+ struct softpipe_cached_tile *tile = tc->entries[pos];
+
+ if (!tile) {
+ tile = sp_alloc_tile(tc);
+ tc->entries[pos] = tile;
+ }
- if (addr.value != tile->addr.value) {
+ if (addr.value != tc->tile_addrs[pos].value) {
- assert(pt->texture);
- if (tile->addr.bits.invalid == 0) {
+ 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(pt,
- tile->addr.bits.x * TILE_SIZE,
- tile->addr.bits.y * TILE_SIZE,
+ 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 {
- pipe_put_tile_rgba(pt,
- tile->addr.bits.x * TILE_SIZE,
- tile->addr.bits.y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- (float *) tile->data.color);
+ 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);
}
}
- tile->addr = addr;
+ 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->texture->format, tc->clear_val);
+ clear_tile(tile, pt->resource->format, tc->clear_val);
}
else {
- clear_tile_rgba(tile, pt->texture->format, tc->clear_color);
+ 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(pt,
- tile->addr.bits.x * TILE_SIZE,
- tile->addr.bits.y * TILE_SIZE,
+ 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 {
- pipe_get_tile_rgba(pt,
- tile->addr.bits.x * TILE_SIZE,
- tile->addr.bits.y * TILE_SIZE,
+ pipe_get_tile_rgba(tc->pipe, pt,
+ tc->tile_addrs[pos].bits.x * TILE_SIZE,
+ tc->tile_addrs[pos].bits.y * TILE_SIZE,
TILE_SIZE, TILE_SIZE,
(float *) tile->data.color);
}
}
tc->last_tile = tile;
+ tc->last_tile_addr = addr;
return tile;
}
tc->clear_val = clearValue;
-#if TILE_CLEAR_OPTIMIZATION
/* set flags to indicate all the tiles are cleared */
memset(tc->clear_flags, 255, sizeof(tc->clear_flags));
-#else
- /* disable the optimization */
- memset(tc->clear_flags, 0, sizeof(tc->clear_flags));
-#endif
for (pos = 0; pos < NUM_ENTRIES; pos++) {
- struct softpipe_cached_tile *tile = tc->entries + pos;
- tile->addr.bits.invalid = 1;
+ tc->tile_addrs[pos].bits.invalid = 1;
}
+ tc->last_tile_addr.bits.invalid = 1;
}
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