diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_scene.h')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_scene.h | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_scene.h b/src/gallium/drivers/llvmpipe/lp_scene.h index 9467cd6f16..22d619fdbc 100644 --- a/src/gallium/drivers/llvmpipe/lp_scene.h +++ b/src/gallium/drivers/llvmpipe/lp_scene.h @@ -158,9 +158,9 @@ boolean lp_scene_is_empty(struct lp_scene *scene ); void lp_scene_reset(struct lp_scene *scene ); -void lp_bin_new_data_block( struct data_block_list *list ); +struct data_block *lp_bin_new_data_block( struct data_block_list *list ); -void lp_bin_new_cmd_block( struct cmd_block_list *list ); +struct cmd_block *lp_bin_new_cmd_block( struct cmd_block_list *list ); unsigned lp_scene_data_size( const struct lp_scene *scene ); @@ -181,15 +181,19 @@ static INLINE void * lp_scene_alloc( struct lp_scene *scene, unsigned size) { struct data_block_list *list = &scene->data; - - if (list->tail->used + size > DATA_BLOCK_SIZE) { - lp_bin_new_data_block( list ); + struct data_block *tail = list->tail; + + if (tail->used + size > DATA_BLOCK_SIZE) { + tail = lp_bin_new_data_block( list ); + if (!tail) { + /* out of memory */ + return NULL; + } } scene->scene_size += size; { - struct data_block *tail = list->tail; ubyte *data = tail->data + tail->used; tail->used += size; return data; @@ -205,15 +209,17 @@ lp_scene_alloc_aligned( struct lp_scene *scene, unsigned size, unsigned alignment ) { struct data_block_list *list = &scene->data; + struct data_block *tail = list->tail; - if (list->tail->used + size + alignment - 1 > DATA_BLOCK_SIZE) { - lp_bin_new_data_block( list ); + if (tail->used + size + alignment - 1 > DATA_BLOCK_SIZE) { + tail = lp_bin_new_data_block( list ); + if (!tail) + return NULL; } scene->scene_size += size; { - struct data_block *tail = list->tail; ubyte *data = tail->data + tail->used; unsigned offset = (((uintptr_t)data + alignment - 1) & ~(alignment - 1)) - (uintptr_t)data; tail->used += offset + size; @@ -257,16 +263,21 @@ lp_scene_bin_command( struct lp_scene *scene, { struct cmd_bin *bin = lp_scene_get_bin(scene, x, y); struct cmd_block_list *list = &bin->commands; + struct cmd_block *tail = list->tail; assert(x < scene->tiles_x); assert(y < scene->tiles_y); - if (list->tail->count == CMD_BLOCK_MAX) { - lp_bin_new_cmd_block( list ); + if (tail->count == CMD_BLOCK_MAX) { + tail = lp_bin_new_cmd_block( list ); + if (!tail) { + /* out of memory - simply ignore this command (for now) */ + return; + } + assert(tail->count == 0); } { - struct cmd_block *tail = list->tail; unsigned i = tail->count; tail->cmd[i] = cmd; tail->arg[i] = arg; |