The-Homebrew-Cloud/dolphin
2
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-01-25 07:21:14 +01:00
Code Issues Packages Projects Releases Wiki Activity

TextureCacheBase: More cleanup...

Browse Source
This commit is contained in:
NeoBrainX 2011-12-26 21:11:31 +01:00 committed by NeoBrainX
parent 0c1e015ec3
commit 93dbd93a8d
1 changed files with 28 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
Source/Core/VideoCommon/Src/TextureCacheBase.cpp
View File

@ -191,10 +191,10 @@ TextureCache::TCacheEntryBase* TextureCache::Load(unsigned int stage,
u64 hash_value = TEXHASH_INVALID;
u64 texHash = TEXHASH_INVALID;
u64 tlut_hash = TEXHASH_INVALID;
u32 texID = address;
u32 full_format = texformat;
const u32 texture_size = TexDecoder_GetTextureSizeInBytes(expandedWidth, expandedHeight, texformat);
const u32 palette_size = TexDecoder_GetPaletteSize(texformat);
bool texture_is_dynamic = false;
unsigned int texLevels;
PC_TexFormat pcfmt = PC_TEX_FMT_NONE;
@ -204,37 +204,40 @@ TextureCache::TCacheEntryBase* TextureCache::Load(unsigned int stage,
if (isPaletteTexture)
full_format = texformat | (tlutfmt << 16);
// hires texture loading and texture dumping require accurate hashes
if (g_ActiveConfig.bSafeTextureCache || g_ActiveConfig.bHiresTextures || g_ActiveConfig.bDumpTextures)
if (isPaletteTexture && (g_ActiveConfig.bSafeTextureCache || g_ActiveConfig.bHiresTextures || g_ActiveConfig.bDumpTextures))
{
texHash = GetHash64(ptr, texture_size, g_ActiveConfig.iSafeTextureCache_ColorSamples);
if (isPaletteTexture)
{
// WARNING! texID != address now => may break CopyRenderTargetToTexture (cf. TODO up)
// tlut size can be up to 32768B (GX_TF_C14X2) but Safer == Slower.
// This trick (to change the texID depending on the TLUT addr) is a trick to get around
// an issue with metroid prime's fonts, where it has multiple sets of fonts on top of
// each other stored in a single texture, and uses the palette to make different characters
// visible or invisible. Thus, unless we want to recreate the textures for every drawn character,
// we must make sure that texture with different tluts get different IDs.
const u64 tlutHash = GetHash64(texMem + tlutaddr, palette_size,
g_ActiveConfig.iSafeTextureCache_ColorSamples);
texHash ^= tlutHash;
if (g_ActiveConfig.bSafeTextureCache)
texID ^= ((u32)tlutHash) ^ (u32)(tlutHash >> 32);
}
const u32 palette_size = TexDecoder_GetPaletteSize(texformat);
tlut_hash = GetHash64(&texMem[tlutaddr], palette_size, g_ActiveConfig.iSafeTextureCache_ColorSamples);
// NOTE: For non-paletted textures, texID is equal to the texture address.
// A paletted texture, however, may have multiple texIDs assigned though depending on the currently used tlut.
// This (changing texID depending on the tlut_hash) is a trick to get around
// an issue with Metroid Prime's fonts (it has multiple sets of fonts on each other
// stored in a single texture and uses the palette to make different characters
// visible or invisible. Thus, unless we want to recreate the textures for every drawn character,
// we must make sure that a paletted texture gets assigned multiple IDs for each tlut used.
//
// TODO: Because texID isn't always the same as the address now, CopyRenderTargetToTexture might be broken now
if (g_ActiveConfig.bSafeTextureCache)
hash_value = texHash;
texID ^= ((u32)tlut_hash) ^(u32)(tlut_hash >> 32);
}
TCacheEntryBase *entry = textures[texID];
if (entry)
{
// hires texture loading and texture dumping require accurate hashes
if (g_ActiveConfig.bSafeTextureCache || g_ActiveConfig.bHiresTextures || g_ActiveConfig.bDumpTextures)
{
texHash = GetHash64(ptr, texture_size, g_ActiveConfig.iSafeTextureCache_ColorSamples);
if (isPaletteTexture)
texHash ^= tlut_hash;
if (g_ActiveConfig.bSafeTextureCache)
hash_value = texHash;
}
// 1. Adjust reference hash:
// safe texcache: reference hash was calculated above for normal textures. 0 for virtual EFB copies.
// unsafe texcache: 0 for virtual EFB copies. Safe hash for dynamic EFB copies. First pixel for normal textures.
@ -254,7 +257,7 @@ TextureCache::TCacheEntryBase* TextureCache::Load(unsigned int stage,
hash_value = GetHash64(ptr, texture_size, g_ActiveConfig.iSafeTextureCache_ColorSamples);
if (isPaletteTexture)
hash_value ^= GetHash64(&texMem[tlutaddr], palette_size, g_ActiveConfig.iSafeTextureCache_ColorSamples);
hash_value ^= tlut_hash; // TODO: Ugly, this is using Safe Texture Cache parameters in nonsafe TC
}
}