diff options
| -rw-r--r-- | src/gallium/drivers/r600/r600_texture.c | 55 |
1 files changed, 43 insertions, 12 deletions
diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c index f770a35dab4..048339e1204 100644 --- a/src/gallium/drivers/r600/r600_texture.c +++ b/src/gallium/drivers/r600/r600_texture.c @@ -91,22 +91,53 @@ static unsigned long r600_texture_get_offset(struct r600_resource_texture *rtex, } } -static void r600_setup_miptree(struct r600_resource_texture *rtex, enum chip_class chipc) +static unsigned r600_texture_get_stride(struct pipe_screen *screen, + struct r600_resource_texture *rtex, + unsigned level) { struct pipe_resource *ptex = &rtex->resource.base.b; - unsigned long w, h, pitch, size, layer_size, i, offset; + struct radeon *radeon = (struct radeon *)screen->winsys; + enum chip_class chipc = r600_get_family_class(radeon); + unsigned width, stride; + + width = u_minify(ptex->width0, level); + + stride = util_format_get_stride(ptex->format, align(width, 64)); + if (chipc == EVERGREEN) + stride = align(stride, 512); + else + stride = align(stride, 256); + return stride; +} + +static unsigned r600_texture_get_nblocksy(struct pipe_screen *screen, + struct r600_resource_texture *rtex, + unsigned level) +{ + struct pipe_resource *ptex = &rtex->resource.base.b; + unsigned height; + + height = u_minify(ptex->height0, level); + height = util_next_power_of_two(height); + return util_format_get_nblocksy(ptex->format, height); +} + +static void r600_setup_miptree(struct pipe_screen *screen, + struct r600_resource_texture *rtex) +{ + struct pipe_resource *ptex = &rtex->resource.base.b; + struct radeon *radeon = (struct radeon *)screen->winsys; + enum chip_class chipc = r600_get_family_class(radeon); + unsigned long pitch, size, layer_size, i, offset; + unsigned nblocksy; rtex->bpt = util_format_get_blocksize(ptex->format); for (i = 0, offset = 0; i <= ptex->last_level; i++) { - w = u_minify(ptex->width0, i); - h = u_minify(ptex->height0, i); - h = util_next_power_of_two(h); - pitch = util_format_get_stride(ptex->format, align(w, 64)); - if (chipc == EVERGREEN) - pitch = align(pitch, 512); - else - pitch = align(pitch, 256); - layer_size = pitch * h; + pitch = r600_texture_get_stride(screen, rtex, i); + nblocksy = r600_texture_get_nblocksy(screen, rtex, i); + + layer_size = pitch * nblocksy; + if (ptex->target == PIPE_TEXTURE_CUBE) { if (chipc >= R700) size = layer_size * 8; @@ -139,7 +170,7 @@ struct pipe_resource *r600_texture_create(struct pipe_screen *screen, resource->base.vtbl = &r600_texture_vtbl; pipe_reference_init(&resource->base.b.reference, 1); resource->base.b.screen = screen; - r600_setup_miptree(rtex, r600_get_family_class(radeon)); + r600_setup_miptree(screen, rtex); /* FIXME alignment 4096 enought ? too much ? */ resource->domain = r600_domain_from_usage(resource->base.b.bind); |