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TexCache: Decimate CLUT variants more often.

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When creating a new texture, we determine if it has CLUT variants and
decimate more often.
This commit is contained in:
Unknown W. Brackets 2018-02-18 12:26:00 -08:00
parent 4e5fb6e286
commit d61fd5f6a6
2 changed files with 22 additions and 3 deletions
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22
GPU/Common/TextureCacheCommon.cpp
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@ -46,6 +46,8 @@
#define TEXTURE_KILL_AGE_LOWMEM 60
// Not used in lowmem mode.
#define TEXTURE_SECOND_KILL_AGE 100
// Used when there are multiple CLUT variants of a texture.
#define TEXTURE_KILL_AGE_CLUT 12
// Try to be prime to other decimation intervals.
#define TEXCACHE_DECIMATION_INTERVAL 13
@ -454,6 +456,22 @@ void TextureCacheCommon::SetTexture(bool force) {
entry->status = TexCacheEntry::STATUS_UNRELIABLE;
}
if (hasClut && clutRenderAddress_ == 0xFFFFFFFF) {
const u64 cachekeyMin = (u64)(texaddr & 0x3FFFFFFF) << 32;
const u64 cachekeyMax = cachekeyMin + (1ULL << 32);
bool found = false;
for (auto it = cache_.lower_bound(cachekeyMin), end = cache_.upper_bound(cachekeyMax); it != end; ++it) {
if (it->second->cluthash != entry->cluthash) {
it->second->status |= TexCacheEntry::STATUS_CLUT_VARIANTS;
found = true;
}
}
if (found) {
entry->status |= TexCacheEntry::STATUS_CLUT_VARIANTS;
}
}
nextNeedsChange_ = false;
}
@ -505,8 +523,10 @@ void TextureCacheCommon::Decimate() {
const u32 had = cacheSizeEstimate_;
ForgetLastTexture();
int killAge = lowMemoryMode_ ? TEXTURE_KILL_AGE_LOWMEM : TEXTURE_KILL_AGE;
int killAgeBase = lowMemoryMode_ ? TEXTURE_KILL_AGE_LOWMEM : TEXTURE_KILL_AGE;
for (TexCache::iterator iter = cache_.begin(); iter != cache_.end(); ) {
bool hasClut = (iter->second->status & TexCacheEntry::STATUS_CLUT_VARIANTS) != 0;
int killAge = hasClut ? TEXTURE_KILL_AGE_CLUT : killAgeBase;
if (iter->second->lastFrame + killAge < gpuStats.numFlips) {
DeleteTexture(iter++);
} else {

3
GPU/Common/TextureCacheCommon.h
View File

@ -108,8 +108,7 @@ struct TexCacheEntry {
STATUS_ALPHA_FULL = 0x00, // Has no alpha channel, or always full alpha.
STATUS_ALPHA_MASK = 0x04,
// 0x08 free.
STATUS_CLUT_VARIANTS = 0x08, // Has multiple CLUT variants.
STATUS_CHANGE_FREQUENT = 0x10, // Changes often (less than 6 frames in between.)
STATUS_CLUT_RECHECK = 0x20, // Another texture with same addr had a hashfail.
STATUS_DEPALETTIZE = 0x40, // Needs to go through a depalettize pass.