-
-
-struct nouveau_bo *
-nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
- unsigned usage, unsigned bind, unsigned size)
-{
- struct nouveau_device *dev = nouveau_screen(pscreen)->device;
- struct nouveau_bo *bo = NULL;
- uint32_t flags = NOUVEAU_BO_MAP, tile_mode = 0, tile_flags = 0;
- int ret;
-
- if (bind & PIPE_BIND_VERTEX_BUFFER)
- flags |= nouveau_screen(pscreen)->vertex_buffer_flags;
- else if (bind & PIPE_BIND_INDEX_BUFFER)
- flags |= nouveau_screen(pscreen)->index_buffer_flags;
-
- if (bind & (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DEPTH_STENCIL |
- PIPE_BIND_SCANOUT |
- PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_SAMPLER_VIEW))
- {
- /* TODO: this may be incorrect or suboptimal */
- if (!(bind & PIPE_BIND_SCANOUT))
- flags |= NOUVEAU_BO_GART;
- if (usage != PIPE_USAGE_DYNAMIC)
- flags |= NOUVEAU_BO_VRAM;
-
- if (dev->chipset == 0x50 || dev->chipset >= 0x80) {
- if (bind & PIPE_BIND_DEPTH_STENCIL)
- tile_flags = 0x2800;
- else
- tile_flags = 0x7000;
- }
- }
-
- ret = nouveau_bo_new_tile(dev, flags, alignment, size,
- tile_mode, tile_flags, &bo);
- if (ret)
- return NULL;
-
- return bo;
-}
-
-void *
-nouveau_screen_bo_map(struct pipe_screen *pscreen,
- struct nouveau_bo *bo,
- unsigned map_flags)
-{
- int ret;
-
- ret = nouveau_bo_map(bo, map_flags);
- if (ret) {
- debug_printf("map failed: %d\n", ret);
- return NULL;
- }
-
- return bo->map;
-}
-
-void *
-nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
- unsigned offset, unsigned length, unsigned flags)
-{
- int ret;
-
- ret = nouveau_bo_map_range(bo, offset, length, flags);
- if (ret) {
- nouveau_bo_unmap(bo);
- if (!(flags & NOUVEAU_BO_NOWAIT) || ret != -EBUSY)
- debug_printf("map_range failed: %d\n", ret);
- return NULL;
- }
-
- return (char *)bo->map - offset; /* why gallium? why? */
-}
-
-void
-nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
- unsigned offset, unsigned length)