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Merge pull request #1405 from Igalia/nroberts/amb-arrays

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Take into account arrays of opaque types with --auto-map-bindings
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John Kessenich 2018-06-14 21:13:43 -06:00 committed by GitHub
commit bea08fe02a
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1 changed files with 26 additions and 19 deletions
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45
glslang/MachineIndependent/iomapper.cpp
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@ -383,29 +383,34 @@ struct TDefaultIoResolverBase : public glslang::TIoMapResolver
return !(at != slots[set].end() && *at == slot);
}
int reserveSlot(int set, int slot)
int reserveSlot(int set, int slot, int size = 1)
{
TSlotSet::iterator at = findSlot(set, slot);
// tolerate aliasing, by not double-recording aliases
// (policy about appropriateness of the alias is higher up)
if (at == slots[set].end() || *at != slot)
slots[set].insert(at, slot);
for (int i = 0; i < size; i++) {
if (at == slots[set].end() || *at != slot + i)
at = slots[set].insert(at, slot + i);
++at;
}
return slot;
}
int getFreeSlot(int set, int base)
int getFreeSlot(int set, int base, int size = 1)
{
TSlotSet::iterator at = findSlot(set, base);
if (at == slots[set].end())
return reserveSlot(set, base);
return reserveSlot(set, base, size);
// look in locksteps, if they not match, then there is a free slot
for (; at != slots[set].end(); ++at, ++base)
if (*at != base)
// look for a big enough gap
for (; at != slots[set].end(); ++at) {
if (*at - base >= size)
break;
return reserveSlot(set, base);
base = *at + 1;
}
return reserveSlot(set, base, size);
}
virtual bool validateBinding(EShLanguage /*stage*/, const char* /*name*/, const glslang::TType& type, bool /*is_live*/) override = 0;
@ -561,40 +566,42 @@ struct TDefaultIoResolver : public TDefaultIoResolverBase
int resolveBinding(EShLanguage /*stage*/, const char* /*name*/, const glslang::TType& type, bool is_live) override
{
const int set = getLayoutSet(type);
// On OpenGL arrays of opaque types take a seperate binding for each element
int numBindings = intermediate.getSpv().openGl != 0 && type.isSizedArray() ? type.getCumulativeArraySize() : 1;
if (type.getQualifier().hasBinding()) {
if (isImageType(type))
return reserveSlot(set, getBaseBinding(EResImage, set) + type.getQualifier().layoutBinding);
return reserveSlot(set, getBaseBinding(EResImage, set) + type.getQualifier().layoutBinding, numBindings);
if (isTextureType(type))
return reserveSlot(set, getBaseBinding(EResTexture, set) + type.getQualifier().layoutBinding);
return reserveSlot(set, getBaseBinding(EResTexture, set) + type.getQualifier().layoutBinding, numBindings);
if (isSsboType(type))
return reserveSlot(set, getBaseBinding(EResSsbo, set) + type.getQualifier().layoutBinding);
return reserveSlot(set, getBaseBinding(EResSsbo, set) + type.getQualifier().layoutBinding, numBindings);
if (isSamplerType(type))
return reserveSlot(set, getBaseBinding(EResSampler, set) + type.getQualifier().layoutBinding);
return reserveSlot(set, getBaseBinding(EResSampler, set) + type.getQualifier().layoutBinding, numBindings);
if (isUboType(type))
return reserveSlot(set, getBaseBinding(EResUbo, set) + type.getQualifier().layoutBinding);
return reserveSlot(set, getBaseBinding(EResUbo, set) + type.getQualifier().layoutBinding, numBindings);
} else if (is_live && doAutoBindingMapping()) {
// find free slot, the caller did make sure it passes all vars with binding
// first and now all are passed that do not have a binding and needs one
if (isImageType(type))
return getFreeSlot(set, getBaseBinding(EResImage, set));
return getFreeSlot(set, getBaseBinding(EResImage, set), numBindings);
if (isTextureType(type))
return getFreeSlot(set, getBaseBinding(EResTexture, set));
return getFreeSlot(set, getBaseBinding(EResTexture, set), numBindings);
if (isSsboType(type))
return getFreeSlot(set, getBaseBinding(EResSsbo, set));
return getFreeSlot(set, getBaseBinding(EResSsbo, set), numBindings);
if (isSamplerType(type))
return getFreeSlot(set, getBaseBinding(EResSampler, set));
return getFreeSlot(set, getBaseBinding(EResSampler, set), numBindings);
if (isUboType(type))
return getFreeSlot(set, getBaseBinding(EResUbo, set));
return getFreeSlot(set, getBaseBinding(EResUbo, set), numBindings);
}
return -1;