gsdx tc:invalidate RT when a texture is written inside it

It often happens the game try to upload the FMV directly which typically
gave a black screen.

Commit fix rules of roses and I hope various black screen FMV

Performance impact must be tested, and I'm afraid of strange texture cache behavior.

V2: check the size of the transfer too
V3: add support of 16 bits format
V4: avoid division by 0
This commit is contained in:
Gregory Hainaut 2016-03-06 14:25:14 +01:00
parent 9aea76b0e8
commit d922225e69
3 changed files with 74 additions and 39 deletions

View File

@ -662,7 +662,8 @@ void GSTextureCache::InvalidateVideoMem(GSOffset* off, const GSVector4i& rect, b
}
// GH: Try to detect texture write that will overlap with a target buffer
if(GSUtil::HasSharedBits(psm, t->m_TEX0.PSM) && bp < t->m_TEX0.TBP0)
if(GSUtil::HasSharedBits(psm, t->m_TEX0.PSM)) {
if (bp < t->m_TEX0.TBP0)
{
uint32 rowsize = bw * 8192;
uint32 offset = (uint32)((t->m_TEX0.TBP0 - bp) * 256);
@ -704,6 +705,26 @@ void GSTextureCache::InvalidateVideoMem(GSOffset* off, const GSVector4i& rect, b
continue;
}
#endif
#if 1
// Greg: I'm not sure the 'bw' equality is required but it won't hurt too much
if (t->m_TEX0.TBW == bw && t->Inside(bp, psm, rect)) {
uint32 rowsize = bw * 8192u;
uint32 offset = (uint32)((bp - t->m_TEX0.TBP0) * 256);
if(rowsize > 0 && offset % rowsize == 0) {
GL_CACHE("TC: Dirty in the middle of Target(%s) %d (0x%x)", to_string(type),
t->m_texture ? t->m_texture->GetID() : 0,
t->m_TEX0.TBP0);
int y = GSLocalMemory::m_psm[psm].pgs.y * offset / rowsize;
t->m_dirty.push_back(GSDirtyRect(GSVector4i(r.left, r.top + y, r.right, r.bottom + y), psm));
t->m_TEX0.TBW = bw;
continue;
}
}
#endif
}
}
}
}
@ -1600,13 +1621,13 @@ void GSTextureCache::Target::Update()
// Copy the new GS memory content into the destination texture.
if(m_type == RenderTarget)
{
GL_INS("ERROR: Update RenderTarget");
GL_INS("ERROR: Update RenderTarget 0x%x", m_TEX0.TBP0);
m_renderer->m_dev->StretchRect(t, m_texture, GSVector4(r) * GSVector4(m_texture->GetScale()).xyxy());
}
else if(m_type == DepthStencil)
{
GL_INS("ERROR: Update DepthStencil");
GL_INS("ERROR: Update DepthStencil 0x%x", m_TEX0.TBP0);
// FIXME linear or not?
m_renderer->m_dev->StretchRect(t, m_texture, GSVector4(r) * GSVector4(m_texture->GetScale()).xyxy(), ShaderConvert_RGBA8_TO_FLOAT32);
@ -1615,16 +1636,29 @@ void GSTextureCache::Target::Update()
m_renderer->m_dev->Recycle(t);
}
void GSTextureCache::Target::UpdateValidity(const GSVector4i& r)
void GSTextureCache::Target::UpdateValidity(const GSVector4i& rect)
{
m_valid = m_valid.runion(r);
m_valid = m_valid.runion(rect);
// TODO: assumption: format is 32 bits
uint32 nb_block = m_TEX0.TBW * m_valid.height();
if (m_TEX0.PSM == PSM_PSMCT16)
nb_block >>= 1;
m_end_block = m_TEX0.TBP0 + nb_block;
//fprintf(stderr, "S: 0x%x E:0x%x\n", m_TEX0.TBP0, m_end_block);
}
bool GSTextureCache::Target::Inside(uint32 bp, uint32 psm, const GSVector4i& rect)
{
uint32 nb_block = rect.height() * rect.width();
if (m_TEX0.PSM == PSM_PSMCT16)
nb_block >>= 7;
else
nb_block >>= 6;
return bp > m_TEX0.TBP0 && (bp + nb_block) < m_end_block;
}
// GSTextureCache::SourceMap
void GSTextureCache::SourceMap::Add(Source* s, const GIFRegTEX0& TEX0, const GSOffset* off)

View File

@ -88,7 +88,8 @@ public:
public:
Target(GSRenderer* r, const GIFRegTEX0& TEX0, uint8* temp, bool depth_supported);
void UpdateValidity(const GSVector4i& r);
void UpdateValidity(const GSVector4i& rect);
bool Inside(uint32 bp, uint32 psm, const GSVector4i& rect);
virtual void Update();
};