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Added an option for "Safe texture cache". Prevents Metroid Prime 1 from caching but can cause texture glitches.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1291 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2008-11-24 20:04:51 +00:00
parent b9c6f7cb89
commit 06aeab0414
5 changed files with 27 additions and 6 deletions
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16
Source/Plugins/Plugin_VideoOGL/Src/TextureMngr.cpp
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@ -108,9 +108,11 @@ void TextureMngr::TCacheEntry::Destroy()
{
glDeleteTextures(1, &texture);
if (!isRenderTarget) {
u32 *ptr = (u32*)g_VideoInitialize.pGetMemoryPointer(addr + hashoffset*4);
if (*ptr == hash)
*ptr = oldpixel;
if (!g_Config.bSafeTextureCache) {
u32 *ptr = (u32*)g_VideoInitialize.pGetMemoryPointer(addr + hashoffset * 4);
if (*ptr == hash)
*ptr = oldpixel;
}
}
texture = 0;
}
@ -255,10 +257,14 @@ TextureMngr::TCacheEntry* TextureMngr::Load(int texstage, u32 address, int width
TCacheEntry& entry = textures[address];
entry.hashoffset = 0;
entry.hash = (u32)(((double)rand() / RAND_MAX) * 0xFFFFFFFF);
entry.paletteHash = palhash;
entry.oldpixel = ((u32 *)ptr)[entry.hashoffset];
((u32 *)ptr)[entry.hashoffset] = entry.hash;
if (g_Config.bSafeTextureCache) {
entry.hash = entry.oldpixel;
} else {
entry.hash = (u32)(((double)rand() / RAND_MAX) * 0xFFFFFFFF);
((u32 *)ptr)[entry.hashoffset] = entry.hash;
}
entry.addr = address;
entry.isRenderTarget = false;