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Fix MP1 & MP2 texture font issue. Not very robust but the general idea is there :p

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1401 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
memberTwo.mb2 2008-12-04 20:21:32 +00:00
parent 42e485ba0b
commit 83e4bd2e5f
3 changed files with 13 additions and 5 deletions
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6
Source/Core/VideoCommon/Src/TextureDecoder.cpp
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@ -62,10 +62,12 @@ int TexDecoder_GetTextureSizeInBytes(int width, int height, int format)
return (width * height * TexDecoder_GetTexelSizeInNibbles(format)) / 2;
}
u32 TexDecoder_GetSafeTextureHash(const u8 *src, int width, int height, int texformat)
u32 TexDecoder_GetSafeTextureHash(const u8 *src, int width, int height, int texformat, u32 seed)
{
int sz = TexDecoder_GetTextureSizeInBytes(width, height, texformat);
u32 hash = 0x1337c0de;
u32 hash = seed ? seed : 0x1337c0de;
if (sz < 2048) {
for (int i = 0; i < sz / 4; i += 13) {
hash = _rotl(hash, 17) ^ ((u32 *)src)[i];

3
Source/Core/VideoCommon/Src/TextureDecoder.h
View File

@ -77,7 +77,8 @@ enum PC_TexFormat
PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt);
u32 TexDecoder_GetSafeTextureHash(const u8 *src, int width, int height, int texformat);
//u32 TexDecoder_GetSafeTextureHash(const u8 *src, int width, int height, int texformat);
u32 TexDecoder_GetSafeTextureHash(const u8 *src, int width, int height, int texformat, u32 seed=0);
void TexDecoder_SetTexFmtOverlayOptions(bool enable, bool center);

9
Source/Plugins/Plugin_VideoOGL/Src/TextureMngr.cpp
View File

@ -203,6 +203,11 @@ TextureMngr::TCacheEntry* TextureMngr::Load(int texstage, u32 address, int width
TexMode0 &tm0 = bpmem.tex[texstage > 3].texMode0[texstage & 3];
u8 *ptr = g_VideoInitialize.pGetMemoryPointer(address);
// not very robust but this is a fast fix for MPs font issue.
// GX_TF_C4, GX_TF_C8, GX_TF_C14X2 use tlutaddr.
// So the other cases could be needed later.
u32 hashseed = format!=GX_TF_C4 ? 0 : *(u32*)(u16*)(texMem + tlutaddr);
int palSize = TexDecoder_GetPaletteSize(format);
u32 palhash = 0xc0debabe;
@ -227,7 +232,7 @@ TextureMngr::TCacheEntry* TextureMngr::Load(int texstage, u32 address, int width
u32 hash_value;
if (g_Config.bSafeTextureCache)
hash_value = TexDecoder_GetSafeTextureHash(ptr, expandedWidth, height, format);
hash_value = TexDecoder_GetSafeTextureHash(ptr, expandedWidth, height, format, hashseed);
else
hash_value = ((u32 *)ptr)[entry.hashoffset];
@ -271,7 +276,7 @@ TextureMngr::TCacheEntry* TextureMngr::Load(int texstage, u32 address, int width
entry.paletteHash = palhash;
entry.oldpixel = ((u32 *)ptr)[entry.hashoffset];
if (g_Config.bSafeTextureCache) {
entry.hash = TexDecoder_GetSafeTextureHash(ptr, expandedWidth, height, format);
entry.hash = TexDecoder_GetSafeTextureHash(ptr, expandedWidth, height, format, hashseed);
} else {
entry.hash = (u32)(((double)rand() / RAND_MAX) * 0xFFFFFFFF);
((u32 *)ptr)[entry.hashoffset] = entry.hash;