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GL_EXT_buffer_reference

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This commit is contained in:
Jeff Bolz
2019-01-06 17:58:04 -06:00
parent 6eab476e5a
commit 9f2aec49e9
55 changed files with 3093 additions and 103 deletions
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26
SPIRV/SpvBuilder.h
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@@ -138,7 +138,9 @@ public:
// For creating new types (will return old type if the requested one was already made).
Id makeVoidType();
Id makeBoolType();
Id makePointer(StorageClass, Id type);
Id makePointer(StorageClass, Id pointee);
Id makeForwardPointer(StorageClass);
Id makePointerFromForwardPointer(StorageClass, Id forwardPointerType, Id pointee);
Id makeIntegerType(int width, bool hasSign); // generic
Id makeIntType(int width) { return makeIntegerType(width, true); }
Id makeUintType(int width) { return makeIntegerType(width, false); }
@@ -194,6 +196,7 @@ public:
bool isSamplerType(Id typeId) const { return getTypeClass(typeId) == OpTypeSampler; }
bool isSampledImageType(Id typeId) const { return getTypeClass(typeId) == OpTypeSampledImage; }
bool containsType(Id typeId, Op typeOp, unsigned int width) const;
bool containsPhysicalStorageBufferOrArray(Id typeId) const;
bool isConstantOpCode(Op opcode) const;
bool isSpecConstantOpCode(Op opcode) const;
@@ -300,10 +303,10 @@ public:
Id createUndefined(Id type);
// Store into an Id and return the l-value
void createStore(Id rValue, Id lValue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax);
void createStore(Id rValue, Id lValue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax, unsigned int alignment = 0);
// Load from an Id and return it
Id createLoad(Id lValue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax);
Id createLoad(Id lValue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax, unsigned int alignment = 0);
// Create an OpAccessChain instruction
Id createAccessChain(StorageClass, Id base, const std::vector<Id>& offsets);
@@ -535,6 +538,7 @@ public:
Id component; // a dynamic component index, can coexist with a swizzle, done after the swizzle, NoResult if not present
Id preSwizzleBaseType; // dereferenced type, before swizzle or component is applied; NoType unless a swizzle or component is present
bool isRValue; // true if 'base' is an r-value, otherwise, base is an l-value
unsigned int alignment; // bitwise OR of alignment values passed in. Accumulates worst alignment. Only tracks base and (optional) component selection alignment.
// Accumulate whether anything in the chain of structures has coherent decorations.
struct CoherentFlags {
@@ -601,31 +605,34 @@ public:
}
// push offset onto the end of the chain
void accessChainPush(Id offset, AccessChain::CoherentFlags coherentFlags)
void accessChainPush(Id offset, AccessChain::CoherentFlags coherentFlags, unsigned int alignment)
{
accessChain.indexChain.push_back(offset);
accessChain.coherentFlags |= coherentFlags;
accessChain.alignment |= alignment;
}
// push new swizzle onto the end of any existing swizzle, merging into a single swizzle
void accessChainPushSwizzle(std::vector<unsigned>& swizzle, Id preSwizzleBaseType);
void accessChainPushSwizzle(std::vector<unsigned>& swizzle, Id preSwizzleBaseType, AccessChain::CoherentFlags coherentFlags, unsigned int alignment);
// push a dynamic component selection onto the access chain, only applicable with a
// non-trivial swizzle or no swizzle
void accessChainPushComponent(Id component, Id preSwizzleBaseType)
void accessChainPushComponent(Id component, Id preSwizzleBaseType, AccessChain::CoherentFlags coherentFlags, unsigned int alignment)
{
if (accessChain.swizzle.size() != 1) {
accessChain.component = component;
if (accessChain.preSwizzleBaseType == NoType)
accessChain.preSwizzleBaseType = preSwizzleBaseType;
}
accessChain.coherentFlags |= coherentFlags;
accessChain.alignment |= alignment;
}
// use accessChain and swizzle to store value
void accessChainStore(Id rvalue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax);
void accessChainStore(Id rvalue, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax, unsigned int alignment = 0);
// use accessChain and swizzle to load an r-value
Id accessChainLoad(Decoration precision, Decoration nonUniform, Id ResultType, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax);
Id accessChainLoad(Decoration precision, Decoration nonUniform, Id ResultType, spv::MemoryAccessMask memoryAccess = spv::MemoryAccessMaskNone, spv::Scope scope = spv::ScopeMax, unsigned int alignment = 0);
// get the direct pointer for an l-value
Id accessChainGetLValue();
@@ -639,7 +646,7 @@ public:
void postProcess();
// Hook to visit each instruction in a block in a function
void postProcess(const Instruction&);
void postProcess(Instruction&);
// Hook to visit each instruction in a reachable block in a function.
void postProcessReachable(const Instruction&);
// Hook to visit each non-32-bit sized float/int operation in a block.
@@ -675,6 +682,7 @@ public:
void dumpSourceInstructions(const spv::Id fileId, const std::string& text, std::vector<unsigned int>&) const;
void dumpInstructions(std::vector<unsigned int>&, const std::vector<std::unique_ptr<Instruction> >&) const;
void dumpModuleProcesses(std::vector<unsigned int>&) const;
spv::MemoryAccessMask sanitizeMemoryAccessForStorageClass(spv::MemoryAccessMask memoryAccess, StorageClass sc) const;
unsigned int spvVersion; // the version of SPIR-V to emit in the header
SourceLanguage source;