+
+struct draw_vertex_shader *
+draw_create_vertex_shader(struct draw_context *draw,
+ const struct pipe_shader_state *shader)
+{
+ struct draw_vertex_shader *vs;
+
+ vs = CALLOC_STRUCT( draw_vertex_shader );
+ if (vs == NULL) {
+ return NULL;
+ }
+
+ vs->state = shader;
+
+#ifdef MESA_LLVM
+ vs->llvm_prog = gallivm_from_tgsi(shader->tokens, GALLIVM_VS);
+ draw->engine = gallivm_global_cpu_engine();
+ if (!draw->engine) {
+ draw->engine = gallivm_cpu_engine_create(vs->llvm_prog);
+ }
+ else {
+ gallivm_cpu_jit_compile(draw->engine, vs->llvm_prog);
+ }
+#elif defined(__i386__) || defined(__386__)
+ if (draw->use_sse) {
+ /* cast-away const */
+ struct pipe_shader_state *sh = (struct pipe_shader_state *) shader;
+
+ x86_init_func( &vs->sse2_program );
+ tgsi_emit_sse2( (struct tgsi_token *) sh->tokens, &vs->sse2_program );
+ }
+#endif
+
+ return vs;
+}
+
+
+void
+draw_bind_vertex_shader(struct draw_context *draw,
+ struct draw_vertex_shader *dvs)
+{
+ draw_flush(draw);
+ draw->vertex_shader = dvs;
+
+ draw->num_vs_outputs = dvs->state->num_outputs;
+
+ /* specify the fragment program to interpret/execute */
+ tgsi_exec_machine_init(&draw->machine,
+ draw->vertex_shader->state->tokens,
+ PIPE_MAX_SAMPLERS,
+ NULL /*samplers*/ );
+}
+
+
+void
+draw_delete_vertex_shader(struct draw_context *draw,
+ struct draw_vertex_shader *dvs)
+{
+#if defined(__i386__) || defined(__386__)
+ x86_release_func( (struct x86_function *) &dvs->sse2_program );
+#endif
+
+ FREE( dvs );
+}