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Diffstat (limited to 'mesalib/src/mesa/drivers/dri/common/texmem.h')
| -rw-r--r-- | mesalib/src/mesa/drivers/dri/common/texmem.h | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/mesalib/src/mesa/drivers/dri/common/texmem.h b/mesalib/src/mesa/drivers/dri/common/texmem.h deleted file mode 100644 index 3815c4107..000000000 --- a/mesalib/src/mesa/drivers/dri/common/texmem.h +++ /dev/null @@ -1,334 +0,0 @@ -/*
- * Copyright 2000-2001 VA Linux Systems, Inc.
- * (c) Copyright IBM Corporation 2002
- * 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
- * on 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
- * VA LINUX SYSTEM, IBM AND/OR THEIR 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.
- *
- * Authors:
- * Ian Romanick <idr@us.ibm.com>
- * Keith Whitwell <keithw@tungstengraphics.com>
- * Kevin E. Martin <kem@users.sourceforge.net>
- * Gareth Hughes <gareth@nvidia.com>
- */
-
-/** \file texmem.h
- * Public interface to the DRI texture memory management routines.
- *
- * \sa texmem.c
- */
-
-#ifndef DRI_TEXMEM_H
-#define DRI_TEXMEM_H
-
-#include "main/mtypes.h"
-#include "main/formats.h"
-#include "main/mm.h"
-#include "xf86drm.h"
-
-struct dri_tex_heap;
-typedef struct dri_tex_heap driTexHeap;
-
-struct dri_texture_object;
-typedef struct dri_texture_object driTextureObject;
-
-
-/**
- * Base texture object type. Each driver will extend this type with its own
- * private data members.
- */
-
-struct dri_texture_object {
- struct dri_texture_object * next;
- struct dri_texture_object * prev;
-
- driTexHeap * heap; /**< Texture heap currently stored in */
- struct gl_texture_object * tObj;/**< Pointer to Mesa texture object
- * If NULL, this texture object is a
- * "placeholder" object representing
- * texture memory in use by another context.
- * A placeholder should have a heap and a memBlock.
- */
- struct mem_block *memBlock; /**< Memory block containing texture */
-
- unsigned reserved; /**< Cannot be swapped out by user contexts. */
-
- unsigned bound; /**< Bitmask indicating which tex units
- * this texture object is bound to.
- * Bit 0 = unit 0, Bit 1 = unit 1, etc
- */
-
- unsigned totalSize; /**< Total size of the texture,
- * including all mipmap levels
- */
-
- unsigned dirty_images[6]; /**< Flags for whether or not images
- * need to be uploaded to local or
- * AGP texture space. One flag set
- * for each cube face for cubic
- * textures. Bit zero corresponds to
- * the base-level, which may or may
- * not be the level zero mipmap.
- */
-
- unsigned timestamp; /**< Timestamp used to
- * synchronize with 3d engine
- * in hardware where textures
- * are uploaded directly to
- * the framebuffer.
- */
-
- unsigned firstLevel; /**< Image in \c tObj->Image[0] that
- * corresponds to the base-level of
- * this texture object.
- */
-
- unsigned lastLevel; /**< Last image in \c tObj->Image[0]
- * used by the
- * current LOD settings of
- * this texture object. This
- * value must be greater than
- * or equal to \c firstLevel.
- */
-};
-
-
-typedef void (destroy_texture_object_t)( void * driverContext,
- driTextureObject * t );
-
-/**
- * Client-private representation of texture memory state.
- *
- * Clients will place one or more of these structs in their driver
- * context struct to manage one or more global texture heaps.
- */
-
-struct dri_tex_heap {
-
- /** Client-supplied heap identifier
- */
- unsigned heapId;
-
- /** Pointer to the client's private context
- */
- void *driverContext;
-
- /** Total size of the heap, in bytes
- */
- unsigned size;
-
- /** \brief \f$log_2\f$ of size of single heap region
- *
- * Each context takes memory from the global texture heap in
- * \f$2^{logGranularity}\f$ byte blocks. The value of
- * \a logGranularity is based on the amount of memory represented
- * by the heap and the maximum number of regions in the SAREA. Given
- * \a b bytes of texture memory an \a n regions in the SAREA,
- * \a logGranularity will be \f$\lfloor\log_2( b / n )\rfloor\f$.
- */
- unsigned logGranularity;
-
- /** \brief Required alignment of allocations in this heap
- *
- * The alignment shift is supplied to \a mmAllocMem when memory is
- * allocated from this heap. The value of \a alignmentShift will
- * typically reflect some require of the hardware. This value has
- * \b no \b relation to \a logGranularity. \a alignmentShift is a
- * per-context value.
- *
- * \sa mmAllocMem
- */
- unsigned alignmentShift;
-
- /** Number of elements in global list (the SAREA).
- */
- unsigned nrRegions;
-
- /** Pointer to SAREA \a driTexRegion array
- */
- drmTextureRegionPtr global_regions;
-
- /** Pointer to the texture state age (generation number) in the SAREA
- */
- unsigned * global_age;
-
- /** Local age (generation number) of texture state
- */
- unsigned local_age;
-
- /** Memory heap used to manage texture memory represented by
- * this texture heap.
- */
- struct mem_block * memory_heap;
-
- /** List of objects that we currently believe to be in texture
- * memory.
- */
- driTextureObject texture_objects;
-
- /** Pointer to the list of texture objects that are not in
- * texture memory.
- */
- driTextureObject * swapped_objects;
-
- /** Size of the driver-speicific texture object.
- */
- unsigned texture_object_size;
-
-
- /**
- * \brief Function to destroy driver-specific texture object data.
- *
- * This function is supplied by the driver so that the texture manager
- * can release all resources associated with a texture object. This
- * function should only release driver-specific data. That is,
- * \a driDestroyTextureObject will release the texture memory
- * associated with the texture object, it will release the memory
- * for the texture object itself, and it will unlink the texture
- * object from the texture object lists.
- *
- * \param driverContext Pointer to the driver supplied context
- * \param t Texture object that is to be destroyed
- * \sa driDestroyTextureObject
- */
-
- destroy_texture_object_t * destroy_texture_object;
-
-
- /**
- */
- unsigned * texture_swaps;
-
- /**
- * Timestamp used to synchronize with 3d engine in hardware
- * where textures are uploaded directly to the
- * framebuffer.
- */
- unsigned timestamp;
-
- /** \brief Kick/upload weight
- *
- * When not enough free space is available this weight
- * influences the choice of the heap from which textures are
- * kicked. By default the weight is equal to the heap size.
- */
- double weight;
-
- /** \brief Kick/upload duty
- *
- * The heap with the highest duty will be chosen for kicking
- * textures if not enough free space is available. The duty is
- * reduced by the amount of data kicked. Rebalancing of
- * negative duties takes the weights into account.
- */
- int duty;
-};
-
-
-
-
-/**
- * Called by the client on lock contention to determine whether textures have
- * been stolen. If another client has modified a region in which we have
- * textures, then we need to figure out which of our textures have been
- * removed and update our global LRU.
- *
- * \param heap Texture heap to be updated
- * \hideinitializer
- */
-
-#define DRI_AGE_TEXTURES( heap ) \
- do { \
- if ( ((heap) != NULL) \
- && ((heap)->local_age != (heap)->global_age[0]) ) \
- driAgeTextures( heap ); \
- } while( 0 )
-
-
-
-
-/* This should be called whenever there has been contention on the hardware
- * lock. driAgeTextures should not be called directly. Instead, clients
- * should use DRI_AGE_TEXTURES, above.
- */
-
-void driAgeTextures( driTexHeap * heap );
-
-void driUpdateTextureLRU( driTextureObject * t );
-void driSwapOutTextureObject( driTextureObject * t );
-void driDestroyTextureObject( driTextureObject * t );
-int driAllocateTexture( driTexHeap * const * heap_array, unsigned nr_heaps,
- driTextureObject * t );
-
-GLboolean driIsTextureResident( struct gl_context * ctx,
- struct gl_texture_object * texObj );
-
-driTexHeap * driCreateTextureHeap( unsigned heap_id, void * context,
- unsigned size, unsigned alignmentShift, unsigned nr_regions,
- drmTextureRegionPtr global_regions, unsigned * global_age,
- driTextureObject * swapped_objects, unsigned texture_object_size,
- destroy_texture_object_t * destroy_tex_obj );
-void driDestroyTextureHeap( driTexHeap * heap );
-
-void
-driCalculateMaxTextureLevels( driTexHeap * const * heaps,
- unsigned nr_heaps,
- struct gl_constants * limits,
- unsigned max_bytes_per_texel,
- unsigned max_2D_size,
- unsigned max_3D_size,
- unsigned max_cube_size,
- unsigned max_rect_size,
- unsigned mipmaps_at_once,
- int all_textures_one_heap,
- int allow_larger_textures );
-
-void
-driSetTextureSwapCounterLocation( driTexHeap * heap, unsigned * counter );
-
-#define DRI_TEXMGR_DO_TEXTURE_1D 0x0001
-#define DRI_TEXMGR_DO_TEXTURE_2D 0x0002
-#define DRI_TEXMGR_DO_TEXTURE_3D 0x0004
-#define DRI_TEXMGR_DO_TEXTURE_CUBE 0x0008
-#define DRI_TEXMGR_DO_TEXTURE_RECT 0x0010
-
-void driInitTextureObjects( struct gl_context *ctx, driTextureObject * swapped,
- GLuint targets );
-
-GLboolean driValidateTextureHeaps( driTexHeap * const * texture_heaps,
- unsigned nr_heaps, const driTextureObject * swapped );
-
-extern void driCalculateTextureFirstLastLevel( driTextureObject * t );
-
-
-extern gl_format _dri_texformat_rgba8888;
-extern gl_format _dri_texformat_argb8888;
-extern gl_format _dri_texformat_rgb565;
-extern gl_format _dri_texformat_argb4444;
-extern gl_format _dri_texformat_argb1555;
-extern gl_format _dri_texformat_al88;
-extern gl_format _dri_texformat_a8;
-extern gl_format _dri_texformat_ci8;
-extern gl_format _dri_texformat_i8;
-extern gl_format _dri_texformat_l8;
-
-extern void driInitTextureFormats( void );
-
-#endif /* DRI_TEXMEM_H */
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