59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/* savage_sarea.h -- Public header for the savage driver (SAREA)
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*
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* Copyright 2004 Felix Kuehling
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __SAVAGE_SAREA_H__
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#define __SAVAGE_SAREA_H__
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#ifndef __SAVAGE_SAREA_DEFINES__
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#define __SAVAGE_SAREA_DEFINES__
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/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
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* regions, subject to a minimum region size of (1<<16) == 64k.
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*
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* Clients may subdivide regions internally, but when sharing between
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* clients, the region size is the minimum granularity.
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*/
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#define SAVAGE_CARD_HEAP 0
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#define SAVAGE_AGP_HEAP 1
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#define SAVAGE_NR_TEX_HEAPS 2
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#define SAVAGE_NR_TEX_REGIONS 16
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#define SAVAGE_LOG_MIN_TEX_REGION_SIZE 16
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#endif /* __SAVAGE_SAREA_DEFINES__ */
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typedef struct {
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/* LRU lists for texture memory in agp space and on the card.
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*/
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drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
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unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
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/* Mechanism to validate card state.
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*/
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int ctxOwner;
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} SAVAGESAREAPrivRec, *SAVAGESAREAPrivPtr;
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#endif /* __SAVAGE_SAREA_H__ */
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