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[Fix] (MG_Backend/DirectGLES): blend equations were never synced to the driver (OIT's GL_MAX ran as ADD); diff and emit glBlendEquationSeparate(i) alongside the factor sync

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swung0x48
2026-07-17 11:45:53 -04:00
parent f39e8738da
commit c9fbf79d6a
1 changed files with 44 additions and 0 deletions
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MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
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@@ -719,6 +719,50 @@ namespace MobileGL::MG_Backend::DirectGLES {
}
}
}
Bool allEquationsSame = true;
Bool anyEquationDirty = false;
for (Uint i = 0; i < FBO::MAX_DRAW_BUFFERS; ++i) {
const auto& cur = targetStates[i];
const auto& syn = syncedStates[i];
if (cur.ColorEquation != syn.ColorEquation || cur.AlphaEquation != syn.AlphaEquation) {
anyEquationDirty = true;
}
if (allEquationsSame && i > 0) {
if (cur.ColorEquation != first.ColorEquation || cur.AlphaEquation != first.AlphaEquation) {
allEquationsSame = false;
}
}
}
if (anyEquationDirty) {
if (allEquationsSame) {
g_GLESFuncs.glBlendEquationSeparate(MG_Util::ConvertBlendEquationToGLEnum(first.ColorEquation),
MG_Util::ConvertBlendEquationToGLEnum(first.AlphaEquation));
for (auto& syn : syncedStates) {
syn.ColorEquation = first.ColorEquation;
syn.AlphaEquation = first.AlphaEquation;
}
} else {
for (Uint i = 0; i < FBO::MAX_DRAW_BUFFERS; ++i) {
const auto& cur = targetStates[i];
auto& syn = syncedStates[i];
if (cur.ColorEquation != syn.ColorEquation || cur.AlphaEquation != syn.AlphaEquation) {
syn.ColorEquation = cur.ColorEquation;
syn.AlphaEquation = cur.AlphaEquation;
g_GLESFuncs.glBlendEquationSeparatei(
i, MG_Util::ConvertBlendEquationToGLEnum(cur.ColorEquation),
MG_Util::ConvertBlendEquationToGLEnum(cur.AlphaEquation));
}
}
}
}
}
{ // Depth state