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/*
* 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, 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 (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 NONINFRINGEMENT.
* 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;
unsigned int validated_first_level;
unsigned int validated_last_level;
/* The miptree of pixel data for the texture (if !needs_validate). After
* validation, the images will also have references to the same mt.
*/
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;
/* Mesa format for the validated texture object. For non-views this
* will always be the same as mt->format. For views, it may differ
* since the mt is shared across views with differing formats.
*/
mesa_format _Format;
};
/**
* 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 */
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