0,0 → 1,84 |
/************************************************************************** |
* |
* Copyright 2003 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, sub license, 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 (including the |
* next paragraph) 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 NON-INFRINGEMENT. |
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 _INTEL_TEX_OBJ_H |
#define _INTEL_TEX_OBJ_H |
|
#include "swrast/s_context.h" |
|
|
struct intel_texture_object |
{ |
struct gl_texture_object base; |
|
/* This is a mirror of base._MaxLevel, updated at validate time, |
* except that we don't bother with the non-base levels for |
* non-mipmapped textures. |
*/ |
unsigned int _MaxLevel; |
|
/* On validation any active images held in main memory or in other |
* regions will be copied to this region and the old storage freed. |
*/ |
struct intel_mipmap_tree *mt; |
|
/** |
* Set when mipmap trees in the texture images of this texture object |
* might not all be the mipmap tree above. |
*/ |
bool needs_validate; |
}; |
|
|
/** |
* intel_texture_image is a subclass of swrast_texture_image because we |
* sometimes fall back to using the swrast module for software rendering. |
*/ |
struct intel_texture_image |
{ |
struct swrast_texture_image base; |
|
/* If intelImage->mt != NULL, image data is stored here. |
* Else if intelImage->base.Buffer != NULL, image is stored there. |
* Else there is no image data. |
*/ |
struct intel_mipmap_tree *mt; |
}; |
|
static inline struct intel_texture_object * |
intel_texture_object(struct gl_texture_object *obj) |
{ |
return (struct intel_texture_object *) obj; |
} |
|
static inline struct intel_texture_image * |
intel_texture_image(struct gl_texture_image *img) |
{ |
return (struct intel_texture_image *) img; |
} |
|
#endif /* _INTEL_TEX_OBJ_H */ |