**************************************************************************/
/**
- * Framebuffer/surface tile caching.
+ * Texture tile caching.
*
* Author:
* Brian Paul
#include "sp_texture.h"
#include "sp_tile_cache.h"
-#define NUM_ENTRIES 32
+#define NUM_ENTRIES 50
/** XXX move these */
-#define MAX_WIDTH 2048
-#define MAX_HEIGHT 2048
+#define MAX_WIDTH 4096
+#define MAX_HEIGHT 4096
struct softpipe_tile_cache
{
struct pipe_screen *screen;
struct pipe_surface *surface; /**< the surface we're caching */
- void *surface_map;
+ struct pipe_transfer *transfer;
+ void *transfer_map;
struct pipe_texture *texture; /**< if caching a texture */
struct softpipe_cached_tile entries[NUM_ENTRIES];
uint clear_flags[(MAX_WIDTH / TILE_SIZE) * (MAX_HEIGHT / TILE_SIZE) / 32];
- float clear_color[4];
- uint clear_val;
- boolean depth_stencil; /** Is the surface a depth/stencil format? */
+ float clear_color[4]; /**< for color bufs */
+ uint clear_val; /**< for z+stencil, or packed color clear value */
+ boolean depth_stencil; /**< Is the surface a depth/stencil format? */
- struct pipe_surface *tex_surf;
- void *tex_surf_map;
+ struct pipe_transfer *tex_trans;
+ void *tex_trans_map;
int tex_face, tex_level, tex_z;
struct softpipe_cached_tile tile; /**< scratch tile for clears */
void
sp_destroy_tile_cache(struct softpipe_tile_cache *tc)
{
+ struct pipe_screen *screen;
uint pos;
for (pos = 0; pos < NUM_ENTRIES; pos++) {
/*assert(tc->entries[pos].x < 0);*/
}
- if (tc->surface) {
- pipe_surface_reference(&tc->surface, NULL);
+ if (tc->transfer) {
+ screen = tc->transfer->texture->screen;
+ screen->tex_transfer_destroy(tc->transfer);
}
- if (tc->tex_surf) {
- pipe_surface_reference(&tc->tex_surf, NULL);
+ if (tc->tex_trans) {
+ screen = tc->tex_trans->texture->screen;
+ screen->tex_transfer_destroy(tc->tex_trans);
}
FREE( tc );
{
assert(!tc->texture);
- if (tc->surface_map) {
- tc->screen->surface_unmap(tc->screen, tc->surface);
- tc->surface_map = NULL;
+ if (tc->transfer) {
+ struct pipe_screen *screen = tc->transfer->texture->screen;
+
+ if (ps == tc->surface)
+ return;
+
+ if (tc->transfer_map) {
+ screen->transfer_unmap(screen, tc->transfer);
+ tc->transfer_map = NULL;
+ }
+
+ screen->tex_transfer_destroy(tc->transfer);
+ tc->transfer = NULL;
}
- pipe_surface_reference(&tc->surface, ps);
+ tc->surface = ps;
+
+ if (ps) {
+ struct pipe_screen *screen = ps->texture->screen;
- if (tc->surface) {
- if (tc->surface_map) /* XXX: this is always NULL!? */
- tc->surface_map = tc->screen->surface_map(tc->screen, tc->surface,
- PIPE_BUFFER_USAGE_CPU_READ |
- PIPE_BUFFER_USAGE_CPU_WRITE);
+ 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_S8Z24_UNORM ||
ps->format == PIPE_FORMAT_X8Z24_UNORM ||
/**
- * Return the surface being cached.
+ * Return the transfer being cached.
*/
struct pipe_surface *
sp_tile_cache_get_surface(struct softpipe_tile_cache *tc)
void
-sp_tile_cache_map_surfaces(struct softpipe_tile_cache *tc)
+sp_tile_cache_map_transfers(struct softpipe_tile_cache *tc)
{
- if (tc->surface && !tc->surface_map)
- tc->surface_map = tc->screen->surface_map(tc->screen, tc->surface,
- PIPE_BUFFER_USAGE_CPU_WRITE |
- PIPE_BUFFER_USAGE_CPU_READ);
-
- if (tc->tex_surf && !tc->tex_surf_map)
- tc->tex_surf_map = tc->screen->surface_map(tc->screen, tc->tex_surf,
- PIPE_BUFFER_USAGE_CPU_READ);
+ if (tc->transfer && !tc->transfer_map)
+ tc->transfer_map = tc->screen->transfer_map(tc->screen, tc->transfer);
+
+ if (tc->tex_trans && !tc->tex_trans_map)
+ tc->tex_trans_map = tc->screen->transfer_map(tc->screen, tc->tex_trans);
}
void
-sp_tile_cache_unmap_surfaces(struct softpipe_tile_cache *tc)
+sp_tile_cache_unmap_transfers(struct softpipe_tile_cache *tc)
{
- if (tc->surface_map) {
- tc->screen->surface_unmap(tc->screen, tc->surface);
- tc->surface_map = NULL;
+ if (tc->transfer_map) {
+ tc->screen->transfer_unmap(tc->screen, tc->transfer);
+ tc->transfer_map = NULL;
}
- if (tc->tex_surf_map) {
- tc->screen->surface_unmap(tc->screen, tc->tex_surf);
- tc->tex_surf_map = NULL;
+ if (tc->tex_trans_map) {
+ tc->screen->transfer_unmap(tc->screen, tc->tex_trans);
+ tc->tex_trans_map = NULL;
}
}
{
uint i;
- assert(!tc->surface);
+ assert(!tc->transfer);
pipe_texture_reference(&tc->texture, texture);
- if (tc->tex_surf_map) {
- tc->screen->surface_unmap(tc->screen, tc->tex_surf);
- tc->tex_surf_map = NULL;
+ if (tc->tex_trans) {
+ struct pipe_screen *screen = tc->tex_trans->texture->screen;
+
+ if (tc->tex_trans_map) {
+ screen->transfer_unmap(screen, tc->tex_trans);
+ tc->tex_trans_map = NULL;
+ }
+
+ screen->tex_transfer_destroy(tc->tex_trans);
+ tc->tex_trans = NULL;
}
- pipe_surface_reference(&tc->tex_surf, NULL);
/* mark as entries as invalid/empty */
/* XXX we should try to avoid this when the teximage hasn't changed */
sp_tile_cache_flush_clear(struct pipe_context *pipe,
struct softpipe_tile_cache *tc)
{
- struct pipe_surface *ps = tc->surface;
- const uint w = tc->surface->width;
- const uint h = tc->surface->height;
+ struct pipe_transfer *pt = tc->transfer;
+ const uint w = tc->transfer->width;
+ const uint h = tc->transfer->height;
uint x, y;
uint numCleared = 0;
/* clear the scratch tile to the clear value */
- clear_tile(&tc->tile, ps->format, tc->clear_val);
+ clear_tile(&tc->tile, pt->format, tc->clear_val);
/* push the tile to all positions marked as clear */
for (y = 0; y < h; y += TILE_SIZE) {
for (x = 0; x < w; x += TILE_SIZE) {
if (is_clear_flag_set(tc->clear_flags, x, y)) {
- pipe_put_tile_raw(ps,
+ pipe_put_tile_raw(pt,
x, y, TILE_SIZE, TILE_SIZE,
tc->tile.data.color32, 0/*STRIDE*/);
/**
- * Flush the tile cache: write all dirty tiles back to the surface.
+ * Flush the tile cache: write all dirty tiles back to the transfer.
* any tiles "flagged" as cleared will be "really" cleared.
*/
void
sp_flush_tile_cache(struct softpipe_context *softpipe,
struct softpipe_tile_cache *tc)
{
- struct pipe_surface *ps = tc->surface;
+ struct pipe_transfer *pt = tc->transfer;
int inuse = 0, pos;
- if (ps && ps->buffer) {
- /* caching a drawing surface */
+ if (pt) {
+ /* caching a drawing transfer */
for (pos = 0; pos < NUM_ENTRIES; pos++) {
struct softpipe_cached_tile *tile = tc->entries + pos;
if (tile->x >= 0) {
if (tc->depth_stencil) {
- pipe_put_tile_raw(ps,
+ pipe_put_tile_raw(pt,
tile->x, tile->y, TILE_SIZE, TILE_SIZE,
tile->data.depth32, 0/*STRIDE*/);
}
else {
- pipe_put_tile_rgba(ps,
+ pipe_put_tile_rgba(pt,
tile->x, tile->y, TILE_SIZE, TILE_SIZE,
(float *) tile->data.color);
}
sp_get_cached_tile(struct softpipe_context *softpipe,
struct softpipe_tile_cache *tc, int x, int y)
{
- struct pipe_surface *ps = tc->surface;
+ struct pipe_transfer *pt = tc->transfer;
/* tile pos in framebuffer: */
const int tile_x = x & ~(TILE_SIZE - 1);
if (tile->x != -1) {
/* put dirty tile back in framebuffer */
if (tc->depth_stencil) {
- pipe_put_tile_raw(ps,
+ pipe_put_tile_raw(pt,
tile->x, tile->y, TILE_SIZE, TILE_SIZE,
tile->data.depth32, 0/*STRIDE*/);
}
else {
- pipe_put_tile_rgba(ps,
+ pipe_put_tile_rgba(pt,
tile->x, tile->y, TILE_SIZE, TILE_SIZE,
(float *) tile->data.color);
}
if (is_clear_flag_set(tc->clear_flags, x, y)) {
/* don't get tile from framebuffer, just clear it */
if (tc->depth_stencil) {
- clear_tile(tile, ps->format, tc->clear_val);
+ clear_tile(tile, pt->format, tc->clear_val);
}
else {
- clear_tile_rgba(tile, ps->format, tc->clear_color);
+ clear_tile_rgba(tile, pt->format, tc->clear_color);
}
clear_clear_flag(tc->clear_flags, x, y);
}
else {
- /* get new tile data from surface */
+ /* get new tile data from transfer */
if (tc->depth_stencil) {
- pipe_get_tile_raw(ps,
+ pipe_get_tile_raw(pt,
tile->x, tile->y, TILE_SIZE, TILE_SIZE,
tile->data.depth32, 0/*STRIDE*/);
}
else {
- pipe_get_tile_rgba(ps,
+ pipe_get_tile_rgba(pt,
tile->x, tile->y, TILE_SIZE, TILE_SIZE,
(float *) tile->data.color);
}
static INLINE uint
tex_cache_pos(int x, int y, int z, int face, int level)
{
- uint entry = x + y * 5 + z * 4 + face + level;
+ uint entry = x + y * 9 + z * 3 + face + level * 7;
return entry % NUM_ENTRIES;
}
if (tc->texture) {
struct softpipe_texture *spt = softpipe_texture(tc->texture);
if (spt->modified) {
- /* texture was modified, force a cache reload */
- tile->x = -1;
+ /* texture was modified, invalidate all cached tiles */
+ uint p;
+ for (p = 0; p < NUM_ENTRIES; p++) {
+ tile = tc->entries + p;
+ tile->x = -1;
+ }
spt->modified = FALSE;
}
}
level != tile->level) {
/* cache miss */
- /* check if we need to get a new surface */
- if (!tc->tex_surf ||
+#if 0
+ printf("miss at %u x=%d y=%d z=%d face=%d level=%d\n", pos,
+ x/TILE_SIZE, y/TILE_SIZE, z, face, level);
+#endif
+ /* check if we need to get a new transfer */
+ if (!tc->tex_trans ||
tc->tex_face != face ||
tc->tex_level != level ||
tc->tex_z != z) {
- /* get new surface (view into texture) */
+ /* get new transfer (view into texture) */
+
+ if (tc->tex_trans) {
+ if (tc->tex_trans_map) {
+ tc->screen->transfer_unmap(tc->screen, tc->tex_trans);
+ tc->tex_trans_map = NULL;
+ }
- if (tc->tex_surf_map)
- tc->screen->surface_unmap(tc->screen, tc->tex_surf);
+ screen->tex_transfer_destroy(tc->tex_trans);
+ tc->tex_trans = NULL;
+ }
- tc->tex_surf = screen->get_tex_surface(screen, tc->texture, face, level, z,
- PIPE_BUFFER_USAGE_CPU_READ);
- tc->tex_surf_map = screen->surface_map(screen, tc->tex_surf,
- PIPE_BUFFER_USAGE_CPU_READ);
+ tc->tex_trans = screen->get_tex_transfer(screen, tc->texture, face, level, z,
+ PIPE_TRANSFER_READ, 0, 0,
+ tc->texture->width[level],
+ tc->texture->height[level]);
+ tc->tex_trans_map = screen->transfer_map(screen, tc->tex_trans);
tc->tex_face = face;
tc->tex_level = level;
tc->tex_z = z;
}
- /* get tile from the surface (view into texture) */
- pipe_get_tile_rgba(tc->tex_surf,
+ /* get tile from the transfer (view into texture) */
+ pipe_get_tile_rgba(tc->tex_trans,
tile_x, tile_y, TILE_SIZE, TILE_SIZE,
(float *) tile->data.color);
tile->x = tile_x;
* Save the color and set a 'clearflag' for each tile of the screen.
*/
void
-sp_tile_cache_clear(struct softpipe_tile_cache *tc, uint clearValue)
+sp_tile_cache_clear(struct softpipe_tile_cache *tc, const float *rgba,
+ uint clearValue)
{
- uint r, g, b, a;
uint pos;
- tc->clear_val = clearValue;
-
- switch (tc->surface->format) {
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- r = (clearValue >> 24) & 0xff;
- g = (clearValue >> 16) & 0xff;
- b = (clearValue >> 8) & 0xff;
- a = (clearValue ) & 0xff;
- break;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- r = (clearValue >> 16) & 0xff;
- g = (clearValue >> 8) & 0xff;
- b = (clearValue ) & 0xff;
- a = (clearValue >> 24) & 0xff;
- break;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- r = (clearValue >> 8) & 0xff;
- g = (clearValue >> 16) & 0xff;
- b = (clearValue >> 24) & 0xff;
- a = (clearValue ) & 0xff;
- break;
- default:
- r = g = b = a = 0;
- }
+ tc->clear_color[0] = rgba[0];
+ tc->clear_color[1] = rgba[1];
+ tc->clear_color[2] = rgba[2];
+ tc->clear_color[3] = rgba[3];
- tc->clear_color[0] = r / 255.0f;
- tc->clear_color[1] = g / 255.0f;
- tc->clear_color[2] = b / 255.0f;
- tc->clear_color[3] = a / 255.0f;
+ tc->clear_val = clearValue;
#if TILE_CLEAR_OPTIMIZATION
/* set flags to indicate all the tiles are cleared */