+
+ if (info.mask & PIPE_MASK_S) {
+ debug_printf("llvmpipe: cannot blit stencil, skipping\n");
+ info.mask &= ~PIPE_MASK_S;
+ }
+
+ if (!util_blitter_is_blit_supported(lp->blitter, &info)) {
+ debug_printf("llvmpipe: blit unsupported %s -> %s\n",
+ util_format_short_name(info.src.resource->format),
+ util_format_short_name(info.dst.resource->format));
+ return;
+ }
+
+ /* XXX turn off occlusion and streamout queries */
+
+ util_blitter_save_vertex_buffer_slot(lp->blitter, lp->vertex_buffer);
+ util_blitter_save_vertex_elements(lp->blitter, (void*)lp->velems);
+ util_blitter_save_vertex_shader(lp->blitter, (void*)lp->vs);
+ util_blitter_save_geometry_shader(lp->blitter, (void*)lp->gs);
+ util_blitter_save_so_targets(lp->blitter, lp->num_so_targets,
+ (struct pipe_stream_output_target**)lp->so_targets);
+ util_blitter_save_rasterizer(lp->blitter, (void*)lp->rasterizer);
+ util_blitter_save_viewport(lp->blitter, &lp->viewports[0]);
+ util_blitter_save_scissor(lp->blitter, &lp->scissors[0]);
+ util_blitter_save_fragment_shader(lp->blitter, lp->fs);
+ util_blitter_save_blend(lp->blitter, (void*)lp->blend);
+ util_blitter_save_depth_stencil_alpha(lp->blitter, (void*)lp->depth_stencil);
+ util_blitter_save_stencil_ref(lp->blitter, &lp->stencil_ref);
+ /*util_blitter_save_sample_mask(sp->blitter, lp->sample_mask);*/
+ util_blitter_save_framebuffer(lp->blitter, &lp->framebuffer);
+ util_blitter_save_fragment_sampler_states(lp->blitter,
+ lp->num_samplers[PIPE_SHADER_FRAGMENT],
+ (void**)lp->samplers[PIPE_SHADER_FRAGMENT]);
+ util_blitter_save_fragment_sampler_views(lp->blitter,
+ lp->num_sampler_views[PIPE_SHADER_FRAGMENT],
+ lp->sampler_views[PIPE_SHADER_FRAGMENT]);
+ util_blitter_save_render_condition(lp->blitter, lp->render_cond_query,
+ lp->render_cond_cond, lp->render_cond_mode);
+ util_blitter_blit(lp->blitter, &info);
+}
+
+
+static struct pipe_surface *
+llvmpipe_create_surface(struct pipe_context *pipe,
+ struct pipe_resource *pt,
+ const struct pipe_surface *surf_tmpl)
+{
+ struct pipe_surface *ps;
+
+ if (!(pt->bind & (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET)))
+ debug_printf("Illegal surface creation without bind flag\n");
+
+ ps = CALLOC_STRUCT(pipe_surface);
+ if (ps) {
+ pipe_reference_init(&ps->reference, 1);
+ pipe_resource_reference(&ps->texture, pt);
+ ps->context = pipe;
+ ps->format = surf_tmpl->format;
+ if (llvmpipe_resource_is_texture(pt)) {
+ assert(surf_tmpl->u.tex.level <= pt->last_level);
+ assert(surf_tmpl->u.tex.first_layer <= surf_tmpl->u.tex.last_layer);
+ ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
+ ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
+ ps->u.tex.level = surf_tmpl->u.tex.level;
+ ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
+ ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
+ }
+ else {
+ /* setting width as number of elements should get us correct renderbuffer width */
+ ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
+ ps->height = pt->height0;
+ ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
+ ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
+ assert(ps->u.buf.first_element <= ps->u.buf.last_element);
+ assert(util_format_get_blocksize(surf_tmpl->format) *
+ (ps->u.buf.last_element + 1) <= pt->width0);
+ }
+ }
+ return ps;
+}
+
+
+static void
+llvmpipe_surface_destroy(struct pipe_context *pipe,
+ struct pipe_surface *surf)
+{
+ /* 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 llvmpipe, nothing to do.
+ */
+ assert(surf->texture);
+ pipe_resource_reference(&surf->texture, NULL);
+ FREE(surf);