diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_texture.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_texture.c | 115 |
1 files changed, 93 insertions, 22 deletions
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c index 256586ec88..2b31cd4f25 100644 --- a/src/gallium/drivers/softpipe/sp_texture.c +++ b/src/gallium/drivers/softpipe/sp_texture.c @@ -40,6 +40,7 @@ #include "sp_state.h" #include "sp_texture.h" #include "sp_tile_cache.h" +#include "sp_screen.h" /* Simple, maximally packed layout. @@ -116,19 +117,10 @@ softpipe_texture_release(struct pipe_screen *screen, if (!*pt) return; - /* - DBG("%s %p refcount will be %d\n", - __FUNCTION__, (void *) *pt, (*pt)->refcount - 1); - */ if (--(*pt)->refcount <= 0) { struct softpipe_texture *spt = softpipe_texture(*pt); - /* - DBG("%s deleting %p\n", __FUNCTION__, (void *) spt); - */ - pipe_buffer_reference(screen->winsys, &spt->buffer, NULL); - FREE(spt); } *pt = NULL; @@ -138,7 +130,8 @@ softpipe_texture_release(struct pipe_screen *screen, static struct pipe_surface * softpipe_get_tex_surface(struct pipe_screen *screen, struct pipe_texture *pt, - unsigned face, unsigned level, unsigned zslice) + unsigned face, unsigned level, unsigned zslice, + unsigned usage) { struct pipe_winsys *ws = screen->winsys; struct softpipe_texture *spt = softpipe_texture(pt); @@ -157,6 +150,24 @@ softpipe_get_tex_surface(struct pipe_screen *screen, ps->height = pt->height[level]; ps->pitch = ps->width; ps->offset = spt->level_offset[level]; + ps->usage = usage; + + /* Because we are softpipe, anything that the state tracker + * thought was going to be done with the GPU will actually get + * done with the CPU. Let's adjust the flags to take that into + * account. + */ + if (ps->usage & PIPE_BUFFER_USAGE_GPU_WRITE) + ps->usage |= PIPE_BUFFER_USAGE_CPU_WRITE; + + if (ps->usage & PIPE_BUFFER_USAGE_GPU_READ) + ps->usage |= PIPE_BUFFER_USAGE_CPU_READ; + + + pipe_texture_reference(&ps->texture, pt); + ps->face = face; + ps->level = level; + ps->zslice = zslice; if (pt->target == PIPE_TEXTURE_CUBE || pt->target == PIPE_TEXTURE_3D) { ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) * @@ -167,30 +178,85 @@ softpipe_get_tex_surface(struct pipe_screen *screen, assert(face == 0); assert(zslice == 0); } + + if (usage & (PIPE_BUFFER_USAGE_CPU_WRITE | + PIPE_BUFFER_USAGE_GPU_WRITE)) { + /* XXX if writing to the texture, invalidate the texcache entries!!! + * + * Actually, no. Flushing dependent contexts is still done + * explicitly and separately. Hardware drivers won't insert + * FLUSH commands into a command stream at this point, + * neither should softpipe try to flush caches. + * + * Those contexts could be living in separate threads & doing + * all sorts of unrelated stuff... Context<->texture + * dependency tracking needs to happen elsewhere. + */ + /* assert(0); */ + } } return ps; } -static void -softpipe_texture_update(struct pipe_context *pipe, - struct pipe_texture *texture, - uint face, uint levelsMask) +static void +softpipe_tex_surface_release(struct pipe_screen *screen, + struct pipe_surface **s) { - struct softpipe_context *softpipe = softpipe_context(pipe); - uint unit; - for (unit = 0; unit < softpipe->num_textures; unit++) { - if (softpipe->texture[unit] == texture) { - sp_flush_tile_cache(softpipe, softpipe->tex_cache[unit]); - } + /* Effectively do the texture_update work here - if texture images + * needed post-processing to put them into hardware layout, this is + * where it would happen. For softpipe, nothing to do. + */ + assert ((*s)->texture); + pipe_texture_reference(&(*s)->texture, NULL); + + screen->winsys->surface_release(screen->winsys, s); +} + + +static void * +softpipe_surface_map( struct pipe_screen *screen, + struct pipe_surface *surface, + unsigned flags ) +{ + ubyte *map; + + if (flags & ~surface->usage) { + assert(0); + return NULL; } + + map = screen->winsys->buffer_map( screen->winsys, surface->buffer, flags ); + if (map == NULL) + return NULL; + + /* May want to different things here depending on read/write nature + * of the map: + */ + if (surface->texture && + (flags & PIPE_BUFFER_USAGE_CPU_WRITE)) + { + /* Do something to notify sharing contexts of a texture change. + * In softpipe, that would mean flushing the texture cache. + */ + softpipe_screen(screen)->timestamp++; + } + + return map + surface->offset; +} + + +static void +softpipe_surface_unmap(struct pipe_screen *screen, + struct pipe_surface *surface) +{ + screen->winsys->buffer_unmap( screen->winsys, surface->buffer ); } void -softpipe_init_texture_funcs( struct softpipe_context *softpipe ) +softpipe_init_texture_funcs(struct softpipe_context *sp) { - softpipe->pipe.texture_update = softpipe_texture_update; } @@ -199,5 +265,10 @@ softpipe_init_screen_texture_funcs(struct pipe_screen *screen) { screen->texture_create = softpipe_texture_create; screen->texture_release = softpipe_texture_release; + screen->get_tex_surface = softpipe_get_tex_surface; + screen->tex_surface_release = softpipe_tex_surface_release; + + screen->surface_map = softpipe_surface_map; + screen->surface_unmap = softpipe_surface_unmap; } |