mirror of https://github.com/PCSX2/pcsx2.git
GSTextureCache: Refactor and fix palette management (v2).
1) Refactor palette comparison fast path mechanism to avoid using mutable member of Source, 2) Attach palette to texture as soon as needed, 3) Bugfix attach CLUT copy only when pal > 0.
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@ -222,10 +222,9 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
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// Target are converted (AEM & palette) on the fly by the GPU. They don't need extra check
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if (!s->m_target) {
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// We request a palette texture (psm_s.pal). If the texture was
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// converted by the CPU (!s->m_should_have_tex_palette), we need to ensure
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// converted by the CPU (!s->m_palette), we need to ensure
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// palette content is the same.
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// Note: content of the palette will be uploaded at the end of the function
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if (psm_s.pal > 0 && !s->m_should_have_tex_palette && !s->ClutMatch({ clut, psm_s.pal }))
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if (psm_s.pal > 0 && !s->m_palette && !s->ClutMatch({ clut, psm_s.pal }))
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continue;
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// We request a 24/16 bit RGBA texture. Alpha expansion was done by
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@ -376,6 +375,8 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
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}
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}
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bool new_source = false;
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if(src == NULL)
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{
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#ifdef ENABLE_OGL_DEBUG
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@ -388,6 +389,7 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
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}
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#endif
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src = CreateSource(TEX0, TEXA, dst, half_right, x_offset, y_offset);
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new_source = true;
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} else {
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GL_CACHE("TC: src hit: %d (0x%x, 0x%x, %s)",
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@ -396,7 +398,7 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const GIFRegTEX0& TEX0, con
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psm_str(TEX0.PSM));
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}
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if (src->m_should_have_tex_palette && (!src->m_clut || !src->ClutMatch({ clut, psm_s.pal }))) {
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if (src->m_palette && !new_source && !src->ClutMatch({ clut, psm_s.pal })) {
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AttachPaletteToSource(src, psm_s.pal, true);
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}
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@ -1333,7 +1335,7 @@ GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, con
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// However it is different here. We want to reuse a Render Target as a texture.
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// Because the texture is already on the GPU, CPU can't convert it.
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if (psm.pal > 0) {
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src->m_should_have_tex_palette = true;
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AttachPaletteToSource(src, psm.pal, true);
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}
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// Disable linear filtering for various GS post-processing effect
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// 1/ Palette is used to interpret the alpha channel of the RT as an index.
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@ -1447,11 +1449,13 @@ GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, con
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if (m_paltex && psm.pal > 0)
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{
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src->m_texture = m_renderer->m_dev->CreateTexture(tw, th, Get8bitFormat());
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src->m_should_have_tex_palette = true;
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AttachPaletteToSource(src, psm.pal, true);
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}
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else {
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src->m_texture = m_renderer->m_dev->CreateTexture(tw, th);
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AttachPaletteToSource(src, psm.pal, false); // Attach only Palette object and clut copy
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if (psm.pal > 0) {
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AttachPaletteToSource(src, psm.pal, false);
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}
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}
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}
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@ -1547,7 +1551,6 @@ void GSTextureCache::Surface::UpdateAge()
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GSTextureCache::Source::Source(GSRenderer* r, const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, uint8* temp, bool dummy_container)
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: Surface(r, temp)
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, m_palette_obj(nullptr)
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, m_should_have_tex_palette(false)
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, m_palette(nullptr)
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, m_target(false)
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, m_complete(false)
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@ -102,7 +102,6 @@ public:
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public:
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std::shared_ptr<Palette> m_palette_obj;
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GSTexture* m_palette;
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bool m_should_have_tex_palette; // Enables m_clut (and possibly m_palette) recycling on object destruction
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uint32 m_valid[MAX_PAGES]; // each uint32 bits map to the 32 blocks of that page
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bool m_target;
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bool m_complete;
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