gallium: drivers should reference vertex buffers

[mesa.git] / src / gallium / drivers / llvmpipe / lp_context.c

diff --git a/src/gallium/drivers/llvmpipe/lp_context.c b/src/gallium/drivers/llvmpipe/lp_context.c
index c52b17b298fbdfe908c809efd83790ccd1462b9d..644201ddf7c1580e9aac6d3f22ec466474de95d1 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_context.c
+++ b/src/gallium/drivers/llvmpipe/lp_context.c
@@ -50,6 +50,46 @@
 DEBUG_GET_ONCE_BOOL_OPTION(lp_no_rast, "LP_NO_RAST", FALSE)
 
 
+/** shared by all contexts */
+unsigned llvmpipe_variant_count;
+
+
+/**
+ * This function is called by the gallivm "garbage collector" when
+ * the LLVM global data structures are freed.  We must free all LLVM-related
+ * data.  Specifically, all JIT'd shader variants.
+ */
+static void
+garbage_collect_callback(void *cb_data)
+{
+   struct llvmpipe_context *lp = (struct llvmpipe_context *) cb_data;
+   struct lp_fs_variant_list_item *li;
+
+   /* Free all the context's shader variants */
+   li = first_elem(&lp->fs_variants_list);
+   while (!at_end(&lp->fs_variants_list, li)) {
+      struct lp_fs_variant_list_item *next = next_elem(li);
+      llvmpipe_remove_shader_variant(lp, li->base);
+      li = next;
+   }
+
+   /* Free all the context's primitive setup variants */
+   lp_delete_setup_variants(lp);
+
+   /* release references to setup variants, shaders */
+   lp_setup_set_setup_variant(lp->setup, NULL);
+   lp_setup_set_fs_variant(lp->setup, NULL);
+   lp_setup_reset(lp->setup);
+
+   /* This type will be recreated upon demand */
+   lp->jit_context_ptr_type = NULL;
+
+   /* mark all state as dirty to ensure new shaders are jit'd, etc. */
+   lp->dirty = ~0;
+}
+
+
+
 static void llvmpipe_destroy( struct pipe_context *pipe )
 {
    struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
@@ -57,6 +97,9 @@ static void llvmpipe_destroy( struct pipe_context *pipe )
 
    lp_print_counters();
 
+   gallivm_remove_garbage_collector_callback(garbage_collect_callback,
+                                             llvmpipe);
+
    /* This will also destroy llvmpipe->setup:
     */
    if (llvmpipe->draw)
@@ -82,6 +125,12 @@ static void llvmpipe_destroy( struct pipe_context *pipe )
       }
    }
 
+   for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
+      pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL);
+   }
+
+   gallivm_destroy(llvmpipe->gallivm);
+
    align_free( llvmpipe );
 }
 
@@ -109,6 +158,9 @@ llvmpipe_create_context( struct pipe_screen *screen, void *priv )
 
    make_empty_list(&llvmpipe->fs_variants_list);
 
+   make_empty_list(&llvmpipe->setup_variants_list);
+
+
    llvmpipe->pipe.winsys = screen->winsys;
    llvmpipe->pipe.screen = screen;
    llvmpipe->pipe.priv = priv;
@@ -133,10 +185,12 @@ llvmpipe_create_context( struct pipe_screen *screen, void *priv )
    llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
    llvmpipe_init_surface_functions(llvmpipe);
 
+   llvmpipe->gallivm = gallivm_create();
+
    /*
     * Create drawing context and plug our rendering stage into it.
     */
-   llvmpipe->draw = draw_create(&llvmpipe->pipe);
+   llvmpipe->draw = draw_create_gallivm(&llvmpipe->pipe, llvmpipe->gallivm);
    if (!llvmpipe->draw)
       goto fail;
 
@@ -158,6 +212,8 @@ llvmpipe_create_context( struct pipe_screen *screen, void *priv )
    /* convert points and lines into triangles: 
     * (otherwise, draw points and lines natively)
     */
+   draw_wide_point_sprites(llvmpipe->draw, FALSE);
+   draw_enable_point_sprites(llvmpipe->draw, FALSE);
    draw_wide_point_threshold(llvmpipe->draw, 10000.0);
    draw_wide_line_threshold(llvmpipe->draw, 10000.0);
 
@@ -168,6 +224,9 @@ llvmpipe_create_context( struct pipe_screen *screen, void *priv )
 
    lp_reset_counters();
 
+   gallivm_register_garbage_collector_callback(garbage_collect_callback,
+                                               llvmpipe);
+
    return &llvmpipe->pipe;
 
  fail: