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Cache cluts by hash not address.

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This makes it immensely faster in Final Fantasy Tactics, and fixes the
numerous graphical issues.
This commit is contained in:
Unknown W. Brackets 2013-04-28 02:38:59 -07:00
parent 394a8eaf9e
commit 0cd65102af
1 changed files with 13 additions and 4 deletions
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17
GPU/GLES/TextureCache.cpp
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@ -26,6 +26,8 @@
#include "GPU/GLES/Framebuffer.h"
#include "Core/Config.h"
#include "native/ext/cityhash/city.h"
// If a texture hasn't been seen for this many frames, get rid of it.
#define TEXTURE_KILL_AGE 200
@ -702,6 +704,14 @@ static inline u32 QuickTexHash(u32 addr, int bufw, int w, int h, u32 format) {
return check;
}
static inline u32 QuickClutHash(u32 addr) {
const int clutTotalBytes = (gstate.loadclut & 0x3f) * 32;
if (Memory::IsValidAddress(addr)) {
return CityHash32(Memory::GetCharPointer(addr), clutTotalBytes);
}
return 0;
}
void TextureCache::SetTexture() {
u32 texaddr = (gstate.texaddr[0] & 0xFFFFF0) | ((gstate.texbufwidth[0]<<8) & 0x0F000000);
if (!Memory::IsValidAddress(texaddr)) {
@ -723,7 +733,7 @@ void TextureCache::SetTexture() {
if (hasClut) {
clutformat = gstate.clutformat & 3;
clutaddr = GetClutAddr(clutformat == GE_CMODE_32BIT_ABGR8888 ? 4 : 2);
cachekey |= (u64)clutaddr << 32;
cachekey |= (u64)QuickClutHash(clutaddr) << 32;
} else {
clutaddr = 0;
}
@ -779,8 +789,7 @@ void TextureCache::SetTexture() {
entry->maxLevel != maxLevel ||
(hasClut &&
(entry->clutformat != clutformat ||
entry->clutaddr != clutaddr ||
entry->cluthash != Memory::Read_U32(entry->clutaddr))))
entry->cluthash != Memory::Read_U32(clutaddr))))
match = false;
if (match) {
@ -865,7 +874,7 @@ void TextureCache::SetTexture() {
if (hasClut) {
entry->clutformat = clutformat;
entry->clutaddr = clutaddr;
entry->cluthash = Memory::Read_U32(entry->clutaddr);
entry->cluthash = Memory::Read_U32(clutaddr);
} else {
entry->clutaddr = 0;
}