dolphin/Source/Plugins/Plugin_VideoMerge/Src/TextureCache.cpp

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// Common
#include "MemoryUtil.h"
#include "TextureCache.h"
#include "VideoConfig.h"
#include "TextureDecoder.h"
#include "HiresTextures.h"
#include "Statistics.h"
#include "Main.h"
TextureCacheBase::TexCache TextureCacheBase::textures;
u8 *TextureCacheBase::temp;
enum
{
TEMP_SIZE = (1024 * 1024 * 4),
TEXTURE_KILL_THRESHOLD = 200,
};
// returns the exponent of the smallest power of two which is greater than val
unsigned int GetPow2(unsigned int val)
{
unsigned int ret = 0;
for (; val; val >>= 1)
++ret;
return ret;
}
TextureCacheBase::TCacheEntryBase::~TCacheEntryBase()
{
// TODO: can we just use (addr) and remove the other checks?
// will need changes to TextureCache::Load and CopyRenderTargetToTexture
if (addr && false == (isRenderTarget || g_ActiveConfig.bSafeTextureCache))
{
u32* ptr = (u32*)g_VideoInitialize.pGetMemoryPointer(addr);
if (ptr && *ptr == hash)
*ptr = oldpixel;
}
}
bool TextureCacheBase::TCacheEntryBase::IntersectsMemoryRange(u32 range_address, u32 range_size) const
{
if (addr + size_in_bytes < range_address)
return false;
if (addr >= range_address + range_size)
return false;
return true;
}
TextureCacheBase::TextureCacheBase()
{
temp = (u8*)AllocateMemoryPages(TEMP_SIZE);
TexDecoder_SetTexFmtOverlayOptions(g_ActiveConfig.bTexFmtOverlayEnable, g_ActiveConfig.bTexFmtOverlayCenter);
HiresTextures::Init(g_globals->unique_id);
}
void TextureCacheBase::Cleanup()
{
TexCache::iterator
iter = textures.begin(),
tcend = textures.end();
while (iter != tcend)
{
if (frameCount > TEXTURE_KILL_THRESHOLD + iter->second->frameCount)
{
delete iter->second;
textures.erase(iter++);
}
else
++iter;
}
}
TextureCacheBase::~TextureCacheBase()
{
Invalidate(true);
FreeMemoryPages(temp, TEMP_SIZE);
temp = NULL;
}
void TextureCacheBase::ClearRenderTargets()
{
TexCache::iterator
iter = textures.begin(),
tcend = textures.end();
for (; iter!=tcend; ++iter)
iter->second->isRenderTarget = false;
}
void TextureCacheBase::MakeRangeDynamic(u32 start_address, u32 size)
{
TexCache::iterator
iter = textures.begin(),
tcend = textures.end();
for (; iter!=tcend; ++iter)
{
// TODO: an int ??
int rangePosition = iter->second->IntersectsMemoryRange(start_address, size);
if (0 == rangePosition)
iter->second->hash = 0;
}
}
void TextureCacheBase::Invalidate(bool shutdown)
{
TexCache::iterator
iter = textures.begin(),
tcend = textures.end();
for (; iter!=tcend; ++iter)
{
// TODO: this could be better
if (shutdown)
iter->second->addr = 0; // hax, not even helpin
delete iter->second;
}
textures.clear();
HiresTextures::Shutdown();
}
void TextureCacheBase::InvalidateRange(u32 start_address, u32 size)
{
TexCache::iterator
iter = textures.begin(),
tcend = textures.end();
while (iter != tcend)
{
if (iter->second->IntersectsMemoryRange(start_address, size))
{
delete iter->second;
textures.erase(iter++);
}
else
++iter;
}
}
TextureCacheBase::TCacheEntryBase* TextureCacheBase::Load(unsigned int stage,
u32 address, unsigned int width, unsigned int height, unsigned int tex_format,
unsigned int tlutaddr, unsigned int tlutfmt, bool UseNativeMips, unsigned int maxlevel)
{
// necessary?
if (0 == address)
return NULL;
u8* ptr = g_VideoInitialize.pGetMemoryPointer(address);
// TexelSizeInNibbles(format)*width*height/16;
const unsigned int bsw = TexDecoder_GetBlockWidthInTexels(tex_format) - 1;
const unsigned int bsh = TexDecoder_GetBlockHeightInTexels(tex_format) - 1;
unsigned int expandedWidth = (width + bsw) & (~bsw);
unsigned int expandedHeight = (height + bsh) & (~bsh);
u64 hash_value = 0;
u64 texHash = 0;
u32 texID = address;
u32 FullFormat = tex_format;
u32 size_in_bytes = TexDecoder_GetTextureSizeInBytes(expandedWidth, expandedHeight, tex_format);
switch (tex_format)
{
case GX_TF_C4:
case GX_TF_C8:
case GX_TF_C14X2:
FullFormat = tex_format | (tlutfmt << 16);
break;
default:
break;
}
// hires textures and texture dumping not supported, yet
if (g_ActiveConfig.bSafeTextureCache/* || g_ActiveConfig.bHiresTextures || g_ActiveConfig.bDumpTextures*/)
{
texHash = GetHash64(ptr, size_in_bytes, g_ActiveConfig.iSafeTextureCache_ColorSamples);
switch (tex_format)
{
case GX_TF_C4:
case GX_TF_C8:
case GX_TF_C14X2:
{
// 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, TexDecoder_GetPaletteSize(tex_format),
g_ActiveConfig.iSafeTextureCache_ColorSamples);
texHash ^= tlutHash;
if (g_ActiveConfig.bSafeTextureCache)
texID ^= ((u32)tlutHash) ^ (tlutHash >> 32);
}
break;
default:
break;
}
if (g_ActiveConfig.bSafeTextureCache)
hash_value = texHash;
}
bool skip_texture_create = false;
TCacheEntryBase *entry = textures[texID];
if (entry)
{
if (!g_ActiveConfig.bSafeTextureCache)
hash_value = *(u32*)ptr;
// TODO: Is the (entry->MipLevels == maxlevel) check needed?
if (entry->isRenderTarget ||
(address == entry->addr && hash_value == entry->hash &&
FullFormat == entry->fmt && entry->MipLevels == maxlevel))
{
goto return_entry;
}
else
{
// Let's reload the new texture data into the same texture,
// instead of destroying it and having to create a new one.
// Might speed up movie playback very, very slightly.
// TODO: Is the (entry->MipLevels < maxlevel) check needed?
if (width == entry->w && height==entry->h &&
FullFormat == entry->fmt && entry->MipLevels < maxlevel)
{
goto load_texture;
}
else
{
delete entry;
}
}
}
// create the texture
const bool isPow2 = !((width & (width - 1)) || (height & (height - 1)));
unsigned int TexLevels = (isPow2 && UseNativeMips && maxlevel) ? GetPow2(std::max(width, height)) : !isPow2;
// TODO: what is ((maxlevel + 1) && maxlevel) ?
if (TexLevels > (maxlevel + 1) && maxlevel)
TexLevels = maxlevel + 1;
const PC_TexFormat pcfmt = TexDecoder_Decode(temp, ptr, expandedWidth,
expandedHeight, tex_format, tlutaddr, tlutfmt, true);
textures[texID] = entry = CreateTexture(width, height, expandedWidth, TexLevels, pcfmt);
entry->oldpixel = *(u32*)ptr;
entry->addr = address;
entry->w = width;
entry->h = height;
entry->fmt = FullFormat;
entry->MipLevels = maxlevel;
entry->size_in_bytes = size_in_bytes;
entry->isRenderTarget = false;
entry->isNonPow2 = false;
if (g_ActiveConfig.bSafeTextureCache)
entry->hash = hash_value;
else
// WTF is this rand() doing here?
entry->hash = *(u32*)ptr = (u32)(((double)rand() / RAND_MAX) * 0xFFFFFFFF);
load_texture:
entry->Load(width, height, expandedWidth, 0);
if (TexLevels > 1 && pcfmt != PC_TEX_FMT_NONE)
{
const unsigned int bsdepth = TexDecoder_GetTexelSizeInNibbles(tex_format);
unsigned int level = 1;
unsigned int mipWidth = (width + 1) >> 1;
unsigned int mipHeight = (height + 1) >> 1;
ptr += entry->size_in_bytes;
while ((mipHeight || mipWidth) && (level < TexLevels))
{
const unsigned int currentWidth = (mipWidth > 0) ? mipWidth : 1;
const unsigned int currentHeight = (mipHeight > 0) ? mipHeight : 1;
expandedWidth = (currentWidth + bsw) & (~bsw);
expandedHeight = (currentHeight + bsh) & (~bsh);
TexDecoder_Decode(temp, ptr, expandedWidth, expandedHeight, tex_format, tlutaddr, tlutfmt, true);
//entry->Load(currentWidth, currentHeight, expandedWidth, level);
ptr += ((max(mipWidth, bsw) * max(mipHeight, bsh) * bsdepth) >> 1);
mipWidth >>= 1;
mipHeight >>= 1;
++level;
}
}
INCSTAT(stats.numTexturesCreated);
SETSTAT(stats.numTexturesAlive, (int)textures.size());
return_entry:
entry->frameCount = frameCount;
entry->Bind(stage);
return entry;
}
void TextureCacheBase::CopyRenderTargetToTexture(u32 address, bool bFromZBuffer,
bool bIsIntensityFmt, u32 copyfmt, bool bScaleByHalf, const EFBRectangle &source_rect)
{
float colmat[20] = {};
// last four floats for fConstAdd
float *const fConstAdd = colmat + 16;
unsigned int cbufid = -1;
// TODO: Move this to TextureCache::Init()
if (bFromZBuffer)
{
switch (copyfmt)
{
case 0: // Z4
case 1: // Z8
colmat[0] = colmat[4] = colmat[8] = colmat[12] = 1.0f;
cbufid = 12;
break;
case 3: // Z16 //?
colmat[1] = colmat[5] = colmat[9] = colmat[12] = 1.0f;
cbufid = 13;
break;
case 11: // Z16 (reverse order)
colmat[0] = colmat[4] = colmat[8] = colmat[13] = 1.0f;
cbufid = 14;
break;
case 6: // Z24X8
colmat[0] = colmat[5] = colmat[10] = 1.0f;
cbufid = 15;
break;
case 9: // Z8M
colmat[1] = colmat[5] = colmat[9] = colmat[13] = 1.0f;
cbufid = 16;
break;
case 10: // Z8L
colmat[2] = colmat[6] = colmat[10] = colmat[14] = 1.0f;
cbufid = 17;
break;
case 12: // Z16L
colmat[2] = colmat[6] = colmat[10] = colmat[13] = 1.0f;
cbufid = 18;
break;
default:
ERROR_LOG(VIDEO, "Unknown copy zbuf format: 0x%x", copyfmt);
colmat[2] = colmat[5] = colmat[8] = 1.0f;
cbufid = 19;
break;
}
}
else if (bIsIntensityFmt)
{
fConstAdd[0] = fConstAdd[1] = fConstAdd[2] = 16.0f/255.0f;
switch (copyfmt)
{
case 0: // I4
case 1: // I8
case 2: // IA4
case 3: // IA8
// TODO - verify these coefficients
colmat[0] = 0.257f; colmat[1] = 0.504f; colmat[2] = 0.098f;
colmat[4] = 0.257f; colmat[5] = 0.504f; colmat[6] = 0.098f;
colmat[8] = 0.257f; colmat[9] = 0.504f; colmat[10] = 0.098f;
if (copyfmt < 2)
{
fConstAdd[3] = 16.0f / 255.0f;
colmat[12] = 0.257f; colmat[13] = 0.504f; colmat[14] = 0.098f;
cbufid = 0;
}
else// alpha
{
colmat[15] = 1;
cbufid = 1;
}
break;
default:
ERROR_LOG(VIDEO, "Unknown copy intensity format: 0x%x", copyfmt);
colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1;
break;
}
}
else
{
switch (copyfmt)
{
case 0: // R4
case 8: // R8
colmat[0] = colmat[4] = colmat[8] = colmat[12] = 1;
cbufid = 2;
break;
case 2: // RA4
case 3: // RA8
colmat[0] = colmat[4] = colmat[8] = colmat[15] = 1;
cbufid = 3;
break;
case 7: // A8
colmat[3] = colmat[7] = colmat[11] = colmat[15] = 1;
cbufid = 4;
break;
case 9: // G8
colmat[1] = colmat[5] = colmat[9] = colmat[13] = 1;
cbufid = 5;
break;
case 10: // B8
colmat[2] = colmat[6] = colmat[10] = colmat[14] = 1;
cbufid = 6;
break;
case 11: // RG8
colmat[0] = colmat[4] = colmat[8] = colmat[13] = 1;
cbufid = 7;
break;
case 12: // GB8
colmat[1] = colmat[5] = colmat[9] = colmat[14] = 1;
cbufid = 8;
break;
case 4: // RGB565
colmat[0] = colmat[5] = colmat[10] = 1;
fConstAdd[3] = 1; // set alpha to 1
cbufid = 9;
break;
case 5: // RGB5A3
case 6: // RGBA8
colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1;
cbufid = 10;
break;
default:
ERROR_LOG(VIDEO, "Unknown copy color format: 0x%x", copyfmt);
colmat[0] = colmat[5] = colmat[10] = colmat[15] = 1;
cbufid = 11;
break;
}
}
const int tex_w = (abs(source_rect.GetWidth()) >> bScaleByHalf);
const int tex_h = (abs(source_rect.GetHeight()) >> bScaleByHalf);
const int scaled_tex_w = g_ActiveConfig.bCopyEFBScaled ? (int)(tex_w * g_renderer->GetTargetScaleX()) : tex_w;
const int scaled_tex_h = g_ActiveConfig.bCopyEFBScaled ? (int)(tex_h * g_renderer->GetTargetScaleY()) : tex_h;
TCacheEntryBase* entry = NULL;
const TexCache::iterator iter = textures.find(address);
if (textures.end() != iter)
{
entry = iter->second;
if (entry->isRenderTarget && entry->Scaledw == scaled_tex_w && entry->Scaledh == scaled_tex_h)
{
goto load_texture;
}
else
{
// remove it and recreate it as a render target
delete entry;
textures.erase(iter);
}
}
// create the texture
textures[address] = entry = CreateRenderTargetTexture(scaled_tex_w, scaled_tex_h);
if (NULL == entry)
PanicAlert("CopyRenderTargetToTexture failed to create entry.texture at %s %d\n", __FILE__, __LINE__);
entry->addr = 0; // TODO: probably can use this and eliminate isRenderTarget
entry->hash = 0;
entry->w = tex_w;
entry->h = tex_h;
entry->Scaledw = scaled_tex_w;
entry->Scaledh = scaled_tex_h;
entry->fmt = copyfmt;
entry->isRenderTarget = true;
entry->isNonPow2 = true; // TODO: is this used anywhere?
load_texture:
entry->frameCount = frameCount;
g_renderer->ResetAPIState(); // reset any game specific settings
// load the texture
entry->FromRenderTarget(bFromZBuffer, bScaleByHalf, cbufid, colmat, source_rect);
g_renderer->RestoreAPIState();
}