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Use PU_LEVEL for texture caching

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- Some maps may contain very large or very many (animated)
  textures
- Texture sets are not typically shared between maps, so
  each texture allocation may go unused for a long time
  after the map ends
- Keeping these PU_STATIC leads to significant memory
  usage over the program duration
This commit is contained in:
James R 2024-02-08 04:11:19 -08:00
parent cbb7c281c8
commit b6241adbe9
1 changed files with 9 additions and 11 deletions
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20
src/r_textures.c
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@ -255,7 +255,7 @@ static UINT8 *R_AllocateTextureBlock(size_t blocksize, UINT8 **user)
{ {
texturememory += blocksize; texturememory += blocksize;
return Z_Malloc(blocksize, PU_CACHE, user); return Z_Malloc(blocksize, PU_LEVEL, user);
} }
static UINT8 *R_AllocateDummyTextureBlock(size_t width, UINT8 **user) static UINT8 *R_AllocateDummyTextureBlock(size_t width, UINT8 **user)
@ -351,7 +351,7 @@ UINT8 *R_GenerateTexture(size_t texnum)
return block; return block;
} }
pdata = W_CacheLumpNumPwad(wadnum, lumpnum, PU_CACHE); pdata = W_CacheLumpNumPwad(wadnum, lumpnum, PU_LEVEL);
realpatch = (softwarepatch_t *)pdata; realpatch = (softwarepatch_t *)pdata;
#ifndef NO_PNG_LUMPS #ifndef NO_PNG_LUMPS
@ -392,7 +392,7 @@ UINT8 *R_GenerateTexture(size_t texnum)
texture->holes = true; texture->holes = true;
texture->flip = patch->flip; texture->flip = patch->flip;
blocksize = lumplength; blocksize = lumplength;
block = Z_Calloc(blocksize, PU_STATIC, // will change tag at end of this function block = Z_Calloc(blocksize, PU_LEVEL, // will change tag at end of this function
&texturecache[texnum]); &texturecache[texnum]);
M_Memcpy(block, realpatch, blocksize); M_Memcpy(block, realpatch, blocksize);
texturememory += blocksize; texturememory += blocksize;
@ -423,7 +423,7 @@ UINT8 *R_GenerateTexture(size_t texnum)
texture->flip = 0; texture->flip = 0;
blocksize = (texture->width * 4) + (texture->width * texture->height); blocksize = (texture->width * 4) + (texture->width * texture->height);
texturememory += blocksize; texturememory += blocksize;
block = Z_Malloc(blocksize+1, PU_STATIC, &texturecache[texnum]); block = Z_Malloc(blocksize+1, PU_LEVEL, &texturecache[texnum]);
memset(block, TRANSPARENTPIXEL, blocksize+1); // Transparency hack memset(block, TRANSPARENTPIXEL, blocksize+1); // Transparency hack
@ -446,7 +446,7 @@ UINT8 *R_GenerateTexture(size_t texnum)
wadnum = patch->wad; wadnum = patch->wad;
lumpnum = patch->lump; lumpnum = patch->lump;
pdata = W_CacheLumpNumPwad(wadnum, lumpnum, PU_CACHE); pdata = W_CacheLumpNumPwad(wadnum, lumpnum, PU_LEVEL);
lumplength = W_LumpLengthPwad(wadnum, lumpnum); lumplength = W_LumpLengthPwad(wadnum, lumpnum);
realpatch = (softwarepatch_t *)pdata; realpatch = (softwarepatch_t *)pdata;
dealloc = true; dealloc = true;
@ -515,8 +515,6 @@ UINT8 *R_GenerateTexture(size_t texnum)
} }
done: done:
// Now that the texture has been built in column cache, it is purgable from zone memory.
Z_ChangeTag(block, PU_CACHE);
return blocktex; return blocktex;
} }
@ -535,7 +533,7 @@ UINT8 *R_GenerateTextureAsFlat(size_t texnum)
if (!texture->flat) if (!texture->flat)
{ {
// Well, let's do it now, then. // Well, let's do it now, then.
texture->flat = Z_Malloc(size, PU_STATIC, NULL); Z_Malloc(size, PU_LEVEL, &texture->flat);
// Picture_TextureToFlat handles everything for us. // Picture_TextureToFlat handles everything for us.
converted = (UINT8 *)Picture_TextureToFlat(texnum); converted = (UINT8 *)Picture_TextureToFlat(texnum);
@ -895,7 +893,7 @@ UINT8 *R_GetBrightmapColumn(fixed_t tex, INT32 col)
void *R_GetFlat(lumpnum_t flatlumpnum) void *R_GetFlat(lumpnum_t flatlumpnum)
{ {
return W_CacheLumpNum(flatlumpnum, PU_CACHE); return W_CacheLumpNum(flatlumpnum, PU_LEVEL);
} }
// //
@ -941,7 +939,7 @@ void *R_GetLevelFlat(drawspandata_t* ds, levelflat_t *levelflat)
{ {
INT32 pngwidth, pngheight; INT32 pngwidth, pngheight;
levelflat->picture = Picture_PNGConvert(W_CacheLumpNum(levelflat->u.flat.lumpnum, PU_CACHE), PICFMT_FLAT, &pngwidth, &pngheight, NULL, NULL, W_LumpLength(levelflat->u.flat.lumpnum), NULL, 0); levelflat->picture = Picture_PNGConvert(W_CacheLumpNum(levelflat->u.flat.lumpnum, PU_LEVEL), PICFMT_FLAT, &pngwidth, &pngheight, NULL, NULL, W_LumpLength(levelflat->u.flat.lumpnum), NULL, 0);
levelflat->width = (UINT16)pngwidth; levelflat->width = (UINT16)pngwidth;
levelflat->height = (UINT16)pngheight; levelflat->height = (UINT16)pngheight;
@ -954,7 +952,7 @@ void *R_GetLevelFlat(drawspandata_t* ds, levelflat_t *levelflat)
{ {
UINT8 *converted; UINT8 *converted;
size_t size; size_t size;
softwarepatch_t *patch = W_CacheLumpNum(levelflat->u.flat.lumpnum, PU_CACHE); softwarepatch_t *patch = W_CacheLumpNum(levelflat->u.flat.lumpnum, PU_LEVEL);
levelflat->width = ds->flatwidth = SHORT(patch->width); levelflat->width = ds->flatwidth = SHORT(patch->width);
levelflat->height = ds->flatheight = SHORT(patch->height); levelflat->height = ds->flatheight = SHORT(patch->height);