fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 07:28:11 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Try to reduce the frequency of calls to pipe->get_tex_surface()

Browse source 
Save the surface info in the tile cache and re-use whenever possible.
This commit is contained in:
Brian 2007-12-07 21:21:58 -07:00
parent a110789f3e
commit f83d4e7bde
1 changed files with 32 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
src/mesa/pipe/softpipe/sp_tile_cache.c
View file

@ -55,6 +55,9 @@ struct softpipe_tile_cache
float clear_color[4];
uint clear_val;
boolean depth_stencil; /** Is the surface a depth/stencil format? */
struct pipe_surface *tex_surf;
int tex_face, tex_level, tex_z;
};
@ -179,11 +182,17 @@ sp_tile_cache_set_texture(struct softpipe_tile_cache *tc,
tc->texture = texture;
if (tc->tex_surf && tc->tex_surf->map)
pipe_surface_unmap(tc->tex_surf);
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 */
for (i = 0; i < NUM_ENTRIES; i++) {
tc->entries[i].x = -1;
}
tc->tex_face = -1; /* any invalid value here */
}
@ -448,19 +457,33 @@ sp_get_cached_tile_tex(struct pipe_context *pipe,
z != tile->z ||
face != tile->face ||
level != tile->level) {
/* XXX this call is a bit heavier than we'd like: */
struct pipe_surface *ps
= pipe->get_tex_surface(pipe, tc->texture, face, level, z);
/* cache miss */
pipe_surface_map(ps);
/* check if we need to get a new surface */
if (!tc->tex_surf ||
tc->tex_face != face ||
tc->tex_level != level ||
tc->tex_z != z) {
/* get new surface (view into texture) */
struct pipe_surface *ps;
pipe->get_tile_rgba(pipe, ps,
if (tc->tex_surf && tc->tex_surf->map)
pipe_surface_unmap(tc->tex_surf);
ps = pipe->get_tex_surface(pipe, tc->texture, face, level, z);
pipe_surface_reference(&tc->tex_surf, ps);
pipe_surface_map(ps);
tc->tex_face = face;
tc->tex_level = level;
tc->tex_z = z;
}
/* get tile from the surface (view into texture) */
pipe->get_tile_rgba(pipe, tc->tex_surf,
tile_x, tile_y, TILE_SIZE, TILE_SIZE,
(float *) tile->data.color);
pipe_surface_unmap(ps);
pipe_surface_reference(&ps, NULL);
tile->x = tile_x;
tile->y = tile_y;
tile->z = z;