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Merge pull request #1405 from Igalia/nroberts/amb-arrays
Take into account arrays of opaque types with --auto-map-bindings
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commit
bea08fe02a
@ -383,29 +383,34 @@ struct TDefaultIoResolverBase : public glslang::TIoMapResolver
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return !(at != slots[set].end() && *at == slot);
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}
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int reserveSlot(int set, int slot)
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int reserveSlot(int set, int slot, int size = 1)
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{
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TSlotSet::iterator at = findSlot(set, slot);
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// tolerate aliasing, by not double-recording aliases
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// (policy about appropriateness of the alias is higher up)
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if (at == slots[set].end() || *at != slot)
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slots[set].insert(at, slot);
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for (int i = 0; i < size; i++) {
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if (at == slots[set].end() || *at != slot + i)
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at = slots[set].insert(at, slot + i);
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++at;
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}
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return slot;
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}
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int getFreeSlot(int set, int base)
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int getFreeSlot(int set, int base, int size = 1)
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{
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TSlotSet::iterator at = findSlot(set, base);
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if (at == slots[set].end())
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return reserveSlot(set, base);
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return reserveSlot(set, base, size);
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// look in locksteps, if they not match, then there is a free slot
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for (; at != slots[set].end(); ++at, ++base)
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if (*at != base)
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// look for a big enough gap
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for (; at != slots[set].end(); ++at) {
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if (*at - base >= size)
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break;
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return reserveSlot(set, base);
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base = *at + 1;
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}
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return reserveSlot(set, base, size);
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}
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virtual bool validateBinding(EShLanguage /*stage*/, const char* /*name*/, const glslang::TType& type, bool /*is_live*/) override = 0;
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@ -561,40 +566,42 @@ struct TDefaultIoResolver : public TDefaultIoResolverBase
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int resolveBinding(EShLanguage /*stage*/, const char* /*name*/, const glslang::TType& type, bool is_live) override
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{
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const int set = getLayoutSet(type);
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// On OpenGL arrays of opaque types take a seperate binding for each element
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int numBindings = intermediate.getSpv().openGl != 0 && type.isSizedArray() ? type.getCumulativeArraySize() : 1;
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if (type.getQualifier().hasBinding()) {
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if (isImageType(type))
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return reserveSlot(set, getBaseBinding(EResImage, set) + type.getQualifier().layoutBinding);
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return reserveSlot(set, getBaseBinding(EResImage, set) + type.getQualifier().layoutBinding, numBindings);
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if (isTextureType(type))
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return reserveSlot(set, getBaseBinding(EResTexture, set) + type.getQualifier().layoutBinding);
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return reserveSlot(set, getBaseBinding(EResTexture, set) + type.getQualifier().layoutBinding, numBindings);
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if (isSsboType(type))
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return reserveSlot(set, getBaseBinding(EResSsbo, set) + type.getQualifier().layoutBinding);
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return reserveSlot(set, getBaseBinding(EResSsbo, set) + type.getQualifier().layoutBinding, numBindings);
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if (isSamplerType(type))
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return reserveSlot(set, getBaseBinding(EResSampler, set) + type.getQualifier().layoutBinding);
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return reserveSlot(set, getBaseBinding(EResSampler, set) + type.getQualifier().layoutBinding, numBindings);
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if (isUboType(type))
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return reserveSlot(set, getBaseBinding(EResUbo, set) + type.getQualifier().layoutBinding);
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return reserveSlot(set, getBaseBinding(EResUbo, set) + type.getQualifier().layoutBinding, numBindings);
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} else if (is_live && doAutoBindingMapping()) {
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// find free slot, the caller did make sure it passes all vars with binding
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// first and now all are passed that do not have a binding and needs one
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if (isImageType(type))
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return getFreeSlot(set, getBaseBinding(EResImage, set));
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return getFreeSlot(set, getBaseBinding(EResImage, set), numBindings);
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if (isTextureType(type))
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return getFreeSlot(set, getBaseBinding(EResTexture, set));
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return getFreeSlot(set, getBaseBinding(EResTexture, set), numBindings);
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if (isSsboType(type))
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return getFreeSlot(set, getBaseBinding(EResSsbo, set));
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return getFreeSlot(set, getBaseBinding(EResSsbo, set), numBindings);
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if (isSamplerType(type))
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return getFreeSlot(set, getBaseBinding(EResSampler, set));
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return getFreeSlot(set, getBaseBinding(EResSampler, set), numBindings);
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if (isUboType(type))
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return getFreeSlot(set, getBaseBinding(EResUbo, set));
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return getFreeSlot(set, getBaseBinding(EResUbo, set), numBindings);
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}
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return -1;
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