+void
+lp_scene_begin_rasterization(struct lp_scene *scene)
+{
+ const struct pipe_framebuffer_state *fb = &scene->fb;
+ int i;
+
+ //LP_DBG(DEBUG_RAST, "%s\n", __FUNCTION__);
+
+ for (i = 0; i < scene->fb.nr_cbufs; i++) {
+ struct pipe_surface *cbuf = scene->fb.cbufs[i];
+ assert(cbuf->u.tex.first_layer == cbuf->u.tex.last_layer);
+ scene->cbufs[i].stride = llvmpipe_resource_stride(cbuf->texture,
+ cbuf->u.tex.level);
+
+ scene->cbufs[i].map = llvmpipe_resource_map(cbuf->texture,
+ cbuf->u.tex.level,
+ cbuf->u.tex.first_layer,
+ LP_TEX_USAGE_READ_WRITE,
+ LP_TEX_LAYOUT_LINEAR);
+ }
+
+ if (fb->zsbuf) {
+ struct pipe_surface *zsbuf = scene->fb.zsbuf;
+ assert(zsbuf->u.tex.first_layer == zsbuf->u.tex.last_layer);
+ scene->zsbuf.stride = llvmpipe_resource_stride(zsbuf->texture, zsbuf->u.tex.level);
+ scene->zsbuf.blocksize =
+ util_format_get_blocksize(zsbuf->texture->format);
+
+ scene->zsbuf.map = llvmpipe_resource_map(zsbuf->texture,
+ zsbuf->u.tex.level,
+ zsbuf->u.tex.first_layer,
+ LP_TEX_USAGE_READ_WRITE,
+ LP_TEX_LAYOUT_NONE);
+ }
+}
+
+
+
+