| /********************************************************** |
| * Copyright 2008-2009 VMware, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| **********************************************************/ |
| |
| #ifndef SVGA_TEXTURE_H |
| #define SVGA_TEXTURE_H |
| |
| |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_state.h" |
| #include "util/u_inlines.h" |
| #include "util/u_transfer.h" |
| #include "svga_screen_cache.h" |
| |
| struct pipe_context; |
| struct pipe_screen; |
| struct svga_context; |
| struct svga_winsys_surface; |
| enum SVGA3dSurfaceFormat; |
| |
| |
| #define SVGA_MAX_TEXTURE_LEVELS 16 |
| |
| |
| extern struct u_resource_vtbl svga_texture_vtbl; |
| |
| |
| struct svga_texture |
| { |
| struct u_resource b; |
| |
| boolean defined[6][SVGA_MAX_TEXTURE_LEVELS]; |
| |
| struct svga_sampler_view *cached_view; |
| |
| unsigned view_age[SVGA_MAX_TEXTURE_LEVELS]; |
| unsigned age; |
| |
| boolean views_modified; |
| |
| /** |
| * Creation key for the host surface handle. |
| * |
| * This structure describes all the host surface characteristics so that it |
| * can be looked up in cache, since creating a host surface is often a slow |
| * operation. |
| */ |
| struct svga_host_surface_cache_key key; |
| |
| /** |
| * Handle for the host side surface. |
| * |
| * This handle is owned by this texture. Views should hold on to a reference |
| * to this texture and never destroy this handle directly. |
| */ |
| struct svga_winsys_surface *handle; |
| }; |
| |
| |
| |
| /* Note this is only used for texture (not buffer) transfers: |
| */ |
| struct svga_transfer |
| { |
| struct pipe_transfer base; |
| |
| unsigned face; |
| |
| struct svga_winsys_buffer *hwbuf; |
| |
| /* Height of the hardware buffer in pixel blocks */ |
| unsigned hw_nblocksy; |
| |
| /* Temporary malloc buffer when we can't allocate a hardware buffer |
| * big enough */ |
| void *swbuf; |
| }; |
| |
| |
| static INLINE struct svga_texture *svga_texture( struct pipe_resource *resource ) |
| { |
| struct svga_texture *tex = (struct svga_texture *)resource; |
| assert(tex == NULL || tex->b.vtbl == &svga_texture_vtbl); |
| return tex; |
| } |
| |
| |
| static INLINE struct svga_transfer * |
| svga_transfer(struct pipe_transfer *transfer) |
| { |
| assert(transfer); |
| return (struct svga_transfer *)transfer; |
| } |
| |
| |
| |
| struct pipe_resource * |
| svga_texture_create(struct pipe_screen *screen, |
| const struct pipe_resource *template); |
| |
| struct pipe_resource * |
| svga_texture_from_handle(struct pipe_screen * screen, |
| const struct pipe_resource *template, |
| struct winsys_handle *whandle); |
| |
| |
| |
| |
| #endif /* SVGA_TEXTURE_H */ |