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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | #ifndef _INTEL_TEX_OBJ_H |
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| 29 | #define _INTEL_TEX_OBJ_H |
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| 30 | |||
| 31 | #include "swrast/s_context.h" |
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| 32 | |||
| 33 | |||
| 34 | struct intel_texture_object |
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| 35 | { |
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| 36 | struct gl_texture_object base; |
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| 37 | |||
| 38 | /* This is a mirror of base._MaxLevel, updated at validate time, |
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| 39 | * except that we don't bother with the non-base levels for |
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| 40 | * non-mipmapped textures. |
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| 41 | */ |
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| 42 | unsigned int _MaxLevel; |
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| 43 | |||
| 44 | /* On validation any active images held in main memory or in other |
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| 45 | * regions will be copied to this region and the old storage freed. |
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| 46 | */ |
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| 47 | struct intel_mipmap_tree *mt; |
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| 48 | |||
| 49 | /** |
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| 50 | * Set when mipmap trees in the texture images of this texture object |
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| 51 | * might not all be the mipmap tree above. |
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| 52 | */ |
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| 53 | bool needs_validate; |
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| 54 | }; |
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| 55 | |||
| 56 | |||
| 57 | /** |
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| 58 | * intel_texture_image is a subclass of swrast_texture_image because we |
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| 59 | * sometimes fall back to using the swrast module for software rendering. |
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| 60 | */ |
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| 61 | struct intel_texture_image |
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| 62 | { |
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| 63 | struct swrast_texture_image base; |
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| 64 | |||
| 65 | /* If intelImage->mt != NULL, image data is stored here. |
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| 66 | * Else if intelImage->base.Buffer != NULL, image is stored there. |
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| 67 | * Else there is no image data. |
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| 68 | */ |
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| 69 | struct intel_mipmap_tree *mt; |
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| 70 | }; |
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| 71 | |||
| 72 | static INLINE struct intel_texture_object * |
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| 73 | intel_texture_object(struct gl_texture_object *obj) |
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| 74 | { |
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| 75 | return (struct intel_texture_object *) obj; |
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| 76 | } |
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| 77 | |||
| 78 | static INLINE struct intel_texture_image * |
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| 79 | intel_texture_image(struct gl_texture_image *img) |
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| 80 | { |
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| 81 | return (struct intel_texture_image *) img; |
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| 82 | } |
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| 83 | |||
| 84 | #endif /* _INTEL_TEX_OBJ_H */ |