diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_texture.c | 141 |
1 files changed, 135 insertions, 6 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c index 9ba995ab7d3..fa52e2cbea4 100644 --- a/src/gallium/drivers/cell/ppu/cell_texture.c +++ b/src/gallium/drivers/cell/ppu/cell_texture.c @@ -301,6 +301,7 @@ static void cell_twiddle_texture(struct pipe_screen *screen, struct pipe_surface *surface) { +#if 0 // XXX fix me struct cell_texture *ct = cell_texture(surface->texture); const uint level = surface->level; const uint texWidth = ct->base.width[level]; @@ -342,6 +343,7 @@ cell_twiddle_texture(struct pipe_screen *screen, } screen->surface_unmap(screen, surface); +#endif } @@ -352,6 +354,7 @@ static void cell_untwiddle_texture(struct pipe_screen *screen, struct pipe_surface *surface) { +#if 0 // XXX fix me struct cell_texture *ct = cell_texture(surface->texture); const uint level = surface->level; const uint texWidth = ct->base.width[level]; @@ -388,6 +391,7 @@ cell_untwiddle_texture(struct pipe_screen *screen, } screen->surface_unmap(screen, surface); +#endif } @@ -405,12 +409,12 @@ cell_get_tex_surface(struct pipe_screen *screen, ps->refcount = 1; pipe_texture_reference(&ps->texture, pt); ps->format = pt->format; - ps->block = pt->block; + //ps->block = pt->block; ps->width = pt->width[level]; ps->height = pt->height[level]; - ps->nblocksx = pt->nblocksx[level]; - ps->nblocksy = pt->nblocksy[level]; - ps->stride = ct->stride[level]; + //ps->nblocksx = pt->nblocksx[level]; + //ps->nblocksy = pt->nblocksy[level]; + //ps->stride = ct->stride[level]; ps->offset = ct->level_offset[level]; ps->usage = usage; @@ -422,9 +426,11 @@ cell_get_tex_surface(struct pipe_screen *screen, ps->zslice = zslice; if (pt->target == PIPE_TEXTURE_CUBE || pt->target == PIPE_TEXTURE_3D) { +#if 0 // XXX fix me ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) * ps->nblocksy * ps->stride; +#endif } else { assert(face == 0); @@ -470,6 +476,127 @@ cell_tex_surface_release(struct pipe_screen *screen, } +static struct pipe_transfer * +cell_get_tex_transfer(struct pipe_screen *screen, + struct pipe_texture *texture, + unsigned face, unsigned level, unsigned zslice, + enum pipe_transfer_usage usage, + unsigned x, unsigned y, unsigned w, unsigned h) +{ + struct cell_texture *ct = cell_texture(texture); + struct cell_transfer *ctrans; + struct pipe_transfer *pt; + + assert(texture); + assert(level <= texture->last_level); + + ctrans = CALLOC_STRUCT(cell_transfer); + pt = &ctrans->base; + if (ctrans) { + pt->refcount = 1; + pipe_texture_reference(&pt->texture, texture); + pt->format = texture->format; + pt->block = texture->block; + pt->x = x; + pt->y = y; + pt->width = w; + pt->height = h; + pt->nblocksx = texture->nblocksx[level]; + pt->nblocksy = texture->nblocksy[level]; + pt->stride = ct->stride[level]; + ctrans->offset = ct->level_offset[level]; + pt->usage = usage; + pt->face = face; + pt->level = level; + pt->zslice = zslice; + + if (texture->target == PIPE_TEXTURE_CUBE || + texture->target == PIPE_TEXTURE_3D) { + ctrans->offset += ((texture->target == PIPE_TEXTURE_CUBE) ? face : + zslice) * pt->nblocksy * pt->stride; + } + else { + assert(face == 0); + assert(zslice == 0); + } + } + return pt; +} + + +static void +cell_tex_transfer_release(struct pipe_screen *screen, + struct pipe_transfer **t) +{ + struct cell_transfer *transfer = cell_transfer(*t); + /* 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 cell, nothing to do. + */ + assert (transfer->base.texture); + if (--transfer->base.refcount == 0) { + pipe_texture_reference(&transfer->base.texture, NULL); + FREE(transfer); + } + *t = NULL; +} + + +static void * +cell_transfer_map( struct pipe_screen *screen, + struct pipe_transfer *transfer ) +{ + ubyte *map; + struct cell_texture *spt; + unsigned flags = 0; + + assert(transfer->texture); + spt = cell_texture(transfer->texture); + + if (transfer->usage != PIPE_TRANSFER_READ) { + flags |= PIPE_BUFFER_USAGE_CPU_WRITE; + } + + if (transfer->usage != PIPE_TRANSFER_WRITE) { + flags |= PIPE_BUFFER_USAGE_CPU_READ; + } + + map = pipe_buffer_map(screen, spt->buffer, flags); + if (map == NULL) + return NULL; + + /* May want to different things here depending on read/write nature + * of the map: + */ + if (transfer->texture && transfer->usage != PIPE_TRANSFER_READ) + { + /* Do something to notify sharing contexts of a texture change. + * In cell, that would mean flushing the texture cache. + */ +#if 00 + cell_screen(screen)->timestamp++; +#endif + } + + return map + cell_transfer(transfer)->offset + + transfer->y / transfer->block.height * transfer->stride + + transfer->x / transfer->block.width * transfer->block.size; +} + + +static void +cell_transfer_unmap(struct pipe_screen *screen, + struct pipe_transfer *transfer) +{ + struct cell_texture *spt; + + assert(transfer->texture); + spt = cell_texture(transfer->texture); + + pipe_buffer_unmap( screen, spt->buffer ); +} + + static void * cell_surface_map(struct pipe_screen *screen, struct pipe_surface *surface, @@ -526,6 +653,8 @@ cell_init_screen_texture_funcs(struct pipe_screen *screen) screen->get_tex_surface = cell_get_tex_surface; screen->tex_surface_release = cell_tex_surface_release; - screen->surface_map = cell_surface_map; - screen->surface_unmap = cell_surface_unmap; + screen->get_tex_transfer = cell_get_tex_transfer; + screen->tex_transfer_release = cell_tex_transfer_release; + screen->transfer_map = cell_transfer_map; + screen->transfer_unmap = cell_transfer_unmap; } |