- for ( i = 0 ; (i+1) * sz <= mmesa->mach64Screen->texSize[heap] ; i++ ) {
- list[i].prev = i-1;
- list[i].next = i+1;
- list[i].age = 0;
- list[i].in_use = 0;
- }
-
- i--;
- list[0].prev = MACH64_NR_TEX_REGIONS;
- list[i].prev = i-1;
- list[i].next = MACH64_NR_TEX_REGIONS;
- list[MACH64_NR_TEX_REGIONS].prev = i;
- list[MACH64_NR_TEX_REGIONS].next = 0;
- mmesa->sarea->tex_age[heap] = 0;
-}
-
-/* Update the local and global texture LRUs.
- */
-/* NOTE: This function is only called while holding the hardware lock */
-void mach64UpdateTexLRU( mach64ContextPtr mmesa,
- mach64TexObjPtr t )
-{
- int heap = t->heap;
- drm_tex_region_t *list = mmesa->sarea->tex_list[heap];
- int log2sz = mmesa->mach64Screen->logTexGranularity[heap];
- int start = t->memBlock->ofs >> log2sz;
- int end = (t->memBlock->ofs + t->memBlock->size - 1) >> log2sz;
- int i;
-
- mmesa->lastTexAge[heap] = ++mmesa->sarea->tex_age[heap];
-
- if ( !t->memBlock ) {
- fprintf( stderr, "no memblock\n\n" );
- return;
- }
-
- /* Update our local LRU */
- move_to_head( &mmesa->TexObjList[heap], t );
-
- /* Update the global LRU */
- for ( i = start ; i <= end ; i++ ) {
- list[i].in_use = mmesa->hHWContext;
- list[i].age = mmesa->lastTexAge[heap];
-
-#if 0
- /* if this is the last region, it's not in the list */
- if ( !(i*(1<<log2sz) > mmesa->mach64Screen->texSize[heap] ) ) {
-#endif
- /* remove_from_list(i) */
- list[(GLuint)list[i].next].prev = list[i].prev;
- list[(GLuint)list[i].prev].next = list[i].next;
-#if 0
- }
-#endif
-
- /* insert_at_head(list, i) */
- list[i].prev = MACH64_NR_TEX_REGIONS;
- list[i].next = list[MACH64_NR_TEX_REGIONS].next;
- list[(GLuint)list[MACH64_NR_TEX_REGIONS].next].prev = i;
- list[MACH64_NR_TEX_REGIONS].next = i;
- }
-
- if ( MACH64_DEBUG & DEBUG_VERBOSE_LRU ) {
- mach64PrintGlobalLRU( mmesa, t->heap );
- mach64PrintLocalLRU( mmesa, t->heap );
- }
-}
-
-/* Update our notion of what textures have been changed since we last
- * held the lock. This pertains to both our local textures and the
- * textures belonging to other clients. Keep track of other client's
- * textures by pushing a placeholder texture onto the LRU list -- these
- * are denoted by (tObj == NULL).
- */
-/* NOTE: This function is only called while holding the hardware lock */
-static void mach64TexturesGone( mach64ContextPtr mmesa, int heap,
- int offset, int size, int in_use )
-{
- mach64TexObjPtr t, tmp;
-
- foreach_s ( t, tmp, &mmesa->TexObjList[heap] ) {
- if ( t->memBlock->ofs >= offset + size ||
- t->memBlock->ofs + t->memBlock->size <= offset )
- continue;
-
- /* It overlaps - kick it out. Need to hold onto the currently
- * bound objects, however.
- */
- if ( t->bound ) {
- mach64SwapOutTexObj( mmesa, t );
- } else {
- mach64DestroyTexObj( mmesa, t );
- }
- }
-
- if ( in_use > 0 && in_use != mmesa->hHWContext ) {
- t = (mach64TexObjPtr) CALLOC( sizeof(*t) );
- if (!t) return;
-
- t->memBlock = mmAllocMem( mmesa->texHeap[heap], size, 0, offset );
- if ( !t->memBlock ) {
- fprintf( stderr, "Couldn't alloc placeholder sz %x ofs %x\n",
- (int)size, (int)offset );
- mmDumpMemInfo( mmesa->texHeap[heap] );
- return;
- }
- insert_at_head( &mmesa->TexObjList[heap], t );
- }
-}
-
-/* Update our client's shared texture state. If another client has
- * modified a region in which we have textures, then we need to figure
- * out which of our textures has been removed, and update our global
- * LRU.
- */
-void mach64AgeTextures( mach64ContextPtr mmesa, int heap )
-{
- drm_mach64_sarea_t *sarea = mmesa->sarea;
-
- if ( sarea->tex_age[heap] != mmesa->lastTexAge[heap] ) {
- int sz = 1 << mmesa->mach64Screen->logTexGranularity[heap];
- int nr = 0;
- int idx;
-
- /* Have to go right round from the back to ensure stuff ends up
- * LRU in our local list... Fix with a cursor pointer.
- */
- for ( idx = sarea->tex_list[heap][MACH64_NR_TEX_REGIONS].prev ;
- idx != MACH64_NR_TEX_REGIONS && nr < MACH64_NR_TEX_REGIONS ;
- idx = sarea->tex_list[heap][idx].prev, nr++ )