1275 lines
55 KiB
C++
1275 lines
55 KiB
C++
//
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// Copyright (C) 2013-2016 LunarG, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
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#include "../Include/Common.h"
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#include "reflection.h"
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#include "LiveTraverser.h"
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#include "localintermediate.h"
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#include "gl_types.h"
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//
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// Grow the reflection database through a friend traverser class of TReflection and a
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// collection of functions to do a liveness traversal that note what uniforms are used
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// in semantically non-dead code.
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//
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// Can be used multiple times, once per stage, to grow a program reflection.
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//
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// High-level algorithm for one stage:
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//
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// 1. Put the entry point on the list of live functions.
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//
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// 2. Traverse any live function, while skipping if-tests with a compile-time constant
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// condition of false, and while adding any encountered function calls to the live
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// function list.
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//
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// Repeat until the live function list is empty.
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//
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// 3. Add any encountered uniform variables and blocks to the reflection database.
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//
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// Can be attempted with a failed link, but will return false if recursion had been detected, or
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// there wasn't exactly one entry point.
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//
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namespace glslang {
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//
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// The traverser: mostly pass through, except
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// - processing binary nodes to see if they are dereferences of an aggregates to track
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// - processing symbol nodes to see if they are non-aggregate objects to track
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//
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// This ignores semantically dead code by using TLiveTraverser.
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//
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// This is in the glslang namespace directly so it can be a friend of TReflection.
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//
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class TReflectionTraverser : public TIntermTraverser {
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public:
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TReflectionTraverser(const TIntermediate& i, TReflection& r) :
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TIntermTraverser(), intermediate(i), reflection(r), updateStageMasks(true) { }
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virtual bool visitBinary(TVisit, TIntermBinary* node);
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virtual void visitSymbol(TIntermSymbol* base);
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// Add a simple reference to a uniform variable to the uniform database, no dereference involved.
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// However, no dereference doesn't mean simple... it could be a complex aggregate.
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void addUniform(const TIntermSymbol& base)
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{
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if (processedDerefs.find(&base) == processedDerefs.end()) {
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processedDerefs.insert(&base);
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int blockIndex = -1;
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int offset = -1;
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TList<TIntermBinary*> derefs;
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TString baseName = base.getName();
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if (base.getType().getBasicType() == EbtBlock) {
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offset = 0;
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bool anonymous = IsAnonymous(baseName);
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const TString& blockName = base.getType().getTypeName();
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if (!anonymous)
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baseName = blockName;
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else
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baseName = "";
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blockIndex = addBlockName(blockName, base.getType(), intermediate.getBlockSize(base.getType()));
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}
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// Use a degenerate (empty) set of dereferences to immediately put as at the end of
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// the dereference change expected by blowUpActiveAggregate.
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blowUpActiveAggregate(base.getType(), baseName, derefs, derefs.end(), offset, blockIndex, 0, -1, 0,
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base.getQualifier().storage, updateStageMasks);
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}
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}
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void addPipeIOVariable(const TIntermSymbol& base)
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{
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if (processedDerefs.find(&base) == processedDerefs.end()) {
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processedDerefs.insert(&base);
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const TString &name = base.getName();
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const TType &type = base.getType();
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const bool input = base.getQualifier().isPipeInput();
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TReflection::TMapIndexToReflection &ioItems =
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input ? reflection.indexToPipeInput : reflection.indexToPipeOutput;
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TReflection::TNameToIndex &ioMapper =
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input ? reflection.pipeInNameToIndex : reflection.pipeOutNameToIndex;
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if (reflection.options & EShReflectionUnwrapIOBlocks) {
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bool anonymous = IsAnonymous(name);
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TString baseName;
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if (type.getBasicType() == EbtBlock) {
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baseName = anonymous ? TString() : type.getTypeName();
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} else {
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baseName = anonymous ? TString() : name;
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}
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// by convention if this is an arrayed block we ignore the array in the reflection
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if (type.isArray() && type.getBasicType() == EbtBlock) {
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blowUpIOAggregate(input, baseName, TType(type, 0));
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} else {
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blowUpIOAggregate(input, baseName, type);
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}
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} else {
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TReflection::TNameToIndex::const_iterator it = ioMapper.find(name.c_str());
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if (it == ioMapper.end()) {
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// seperate pipe i/o params from uniforms and blocks
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// in is only for input in first stage as out is only for last stage. check traverse in call stack.
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ioMapper[name.c_str()] = static_cast<int>(ioItems.size());
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ioItems.push_back(
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TObjectReflection(name.c_str(), type, 0, mapToGlType(type), mapToGlArraySize(type), 0));
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EShLanguageMask& stages = ioItems.back().stages;
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stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
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} else {
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EShLanguageMask& stages = ioItems[it->second].stages;
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stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
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}
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}
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}
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}
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// Lookup or calculate the offset of all block members at once, using the recursively
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// defined block offset rules.
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void getOffsets(const TType& type, TVector<int>& offsets)
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{
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const TTypeList& memberList = *type.getStruct();
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int memberSize = 0;
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int offset = 0;
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for (size_t m = 0; m < offsets.size(); ++m) {
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// if the user supplied an offset, snap to it now
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if (memberList[m].type->getQualifier().hasOffset())
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offset = memberList[m].type->getQualifier().layoutOffset;
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// calculate the offset of the next member and align the current offset to this member
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intermediate.updateOffset(type, *memberList[m].type, offset, memberSize);
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// save the offset of this member
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offsets[m] = offset;
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// update for the next member
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offset += memberSize;
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}
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}
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// Calculate the stride of an array type
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int getArrayStride(const TType& baseType, const TType& type)
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{
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int dummySize;
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int stride;
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// consider blocks to have 0 stride, so that all offsets are relative to the start of their block
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if (type.getBasicType() == EbtBlock)
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return 0;
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TLayoutMatrix subMatrixLayout = type.getQualifier().layoutMatrix;
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intermediate.getMemberAlignment(type, dummySize, stride,
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baseType.getQualifier().layoutPacking,
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subMatrixLayout != ElmNone
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? subMatrixLayout == ElmRowMajor
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: baseType.getQualifier().layoutMatrix == ElmRowMajor);
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return stride;
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}
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// count the total number of leaf members from iterating out of a block type
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int countAggregateMembers(const TType& parentType)
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{
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if (! parentType.isStruct())
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return 1;
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const bool strictArraySuffix = (reflection.options & EShReflectionStrictArraySuffix);
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bool blockParent = (parentType.getBasicType() == EbtBlock && parentType.getQualifier().storage == EvqBuffer);
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const TTypeList &memberList = *parentType.getStruct();
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int ret = 0;
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for (size_t i = 0; i < memberList.size(); i++)
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{
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const TType &memberType = *memberList[i].type;
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int numMembers = countAggregateMembers(memberType);
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// for sized arrays of structs, apply logic to expand out the same as we would below in
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// blowUpActiveAggregate
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if (memberType.isArray() && ! memberType.getArraySizes()->hasUnsized() && memberType.isStruct()) {
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if (! strictArraySuffix || ! blockParent)
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numMembers *= memberType.getArraySizes()->getCumulativeSize();
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}
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ret += numMembers;
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}
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return ret;
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}
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// Traverse the provided deref chain, including the base, and
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// - build a full reflection-granularity name, array size, etc. entry out of it, if it goes down to that granularity
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// - recursively expand any variable array index in the middle of that traversal
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// - recursively expand what's left at the end if the deref chain did not reach down to reflection granularity
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//
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// arraySize tracks, just for the final dereference in the chain, if there was a specific known size.
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// A value of 0 for arraySize will mean to use the full array's size.
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void blowUpActiveAggregate(const TType& baseType, const TString& baseName, const TList<TIntermBinary*>& derefs,
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TList<TIntermBinary*>::const_iterator deref, int offset, int blockIndex, int arraySize,
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int topLevelArraySize, int topLevelArrayStride, TStorageQualifier baseStorage, bool active)
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{
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// when strictArraySuffix is enabled, we closely follow the rules from ARB_program_interface_query.
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// Broadly:
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// * arrays-of-structs always have a [x] suffix.
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// * with array-of-struct variables in the root of a buffer block, only ever return [0].
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// * otherwise, array suffixes are added whenever we iterate, even if that means expanding out an array.
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const bool strictArraySuffix = (reflection.options & EShReflectionStrictArraySuffix);
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// is this variable inside a buffer block. This flag is set back to false after we iterate inside the first array element.
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bool blockParent = (baseType.getBasicType() == EbtBlock && baseType.getQualifier().storage == EvqBuffer);
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// process the part of the dereference chain that was explicit in the shader
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TString name = baseName;
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const TType* terminalType = &baseType;
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for (; deref != derefs.end(); ++deref) {
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TIntermBinary* visitNode = *deref;
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terminalType = &visitNode->getType();
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int index;
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switch (visitNode->getOp()) {
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case EOpIndexIndirect: {
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int stride = getArrayStride(baseType, visitNode->getLeft()->getType());
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if (topLevelArrayStride == 0)
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topLevelArrayStride = stride;
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// Visit all the indices of this array, and for each one add on the remaining dereferencing
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for (int i = 0; i < std::max(visitNode->getLeft()->getType().getOuterArraySize(), 1); ++i) {
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TString newBaseName = name;
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if (terminalType->getBasicType() == EbtBlock) {}
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else if (strictArraySuffix && blockParent)
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newBaseName.append(TString("[0]"));
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else if (strictArraySuffix || baseType.getBasicType() != EbtBlock)
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newBaseName.append(TString("[") + String(i) + "]");
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TList<TIntermBinary*>::const_iterator nextDeref = deref;
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++nextDeref;
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blowUpActiveAggregate(*terminalType, newBaseName, derefs, nextDeref, offset, blockIndex, arraySize,
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topLevelArraySize, topLevelArrayStride, baseStorage, active);
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if (offset >= 0)
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offset += stride;
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}
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// it was all completed in the recursive calls above
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return;
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}
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case EOpIndexDirect: {
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int stride = getArrayStride(baseType, visitNode->getLeft()->getType());
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index = visitNode->getRight()->getAsConstantUnion()->getConstArray()[0].getIConst();
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if (terminalType->getBasicType() == EbtBlock) {}
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else if (strictArraySuffix && blockParent)
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name.append(TString("[0]"));
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else if (strictArraySuffix || baseType.getBasicType() != EbtBlock) {
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name.append(TString("[") + String(index) + "]");
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if (offset >= 0)
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offset += stride * index;
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}
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if (topLevelArrayStride == 0)
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topLevelArrayStride = stride;
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// expand top-level arrays in blocks with [0] suffix
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if (topLevelArrayStride != 0 && visitNode->getLeft()->getType().isArray()) {
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blockParent = false;
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}
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break;
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}
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case EOpIndexDirectStruct:
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index = visitNode->getRight()->getAsConstantUnion()->getConstArray()[0].getIConst();
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if (offset >= 0)
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offset += intermediate.getOffset(visitNode->getLeft()->getType(), index);
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if (name.size() > 0)
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name.append(".");
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name.append((*visitNode->getLeft()->getType().getStruct())[index].type->getFieldName());
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// expand non top-level arrays with [x] suffix
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if (visitNode->getLeft()->getType().getBasicType() != EbtBlock && terminalType->isArray())
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{
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blockParent = false;
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}
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break;
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default:
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break;
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}
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}
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// if the terminalType is still too coarse a granularity, this is still an aggregate to expand, expand it...
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if (! isReflectionGranularity(*terminalType)) {
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// the base offset of this node, that children are relative to
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int baseOffset = offset;
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if (terminalType->isArray()) {
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// Visit all the indices of this array, and for each one,
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// fully explode the remaining aggregate to dereference
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int stride = 0;
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if (offset >= 0)
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stride = getArrayStride(baseType, *terminalType);
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int arrayIterateSize = std::max(terminalType->getOuterArraySize(), 1);
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// for top-level arrays in blocks, only expand [0] to avoid explosion of items
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if ((strictArraySuffix && blockParent) ||
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((topLevelArraySize == arrayIterateSize) && (topLevelArrayStride == 0))) {
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arrayIterateSize = 1;
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}
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if (topLevelArrayStride == 0)
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topLevelArrayStride = stride;
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for (int i = 0; i < arrayIterateSize; ++i) {
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TString newBaseName = name;
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if (terminalType->getBasicType() != EbtBlock)
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newBaseName.append(TString("[") + String(i) + "]");
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TType derefType(*terminalType, 0);
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if (offset >= 0)
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offset = baseOffset + stride * i;
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blowUpActiveAggregate(derefType, newBaseName, derefs, derefs.end(), offset, blockIndex, 0,
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topLevelArraySize, topLevelArrayStride, baseStorage, active);
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}
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} else {
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// Visit all members of this aggregate, and for each one,
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// fully explode the remaining aggregate to dereference
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const TTypeList& typeList = *terminalType->getStruct();
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TVector<int> memberOffsets;
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if (baseOffset >= 0) {
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memberOffsets.resize(typeList.size());
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getOffsets(*terminalType, memberOffsets);
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}
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for (int i = 0; i < (int)typeList.size(); ++i) {
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TString newBaseName = name;
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if (newBaseName.size() > 0)
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newBaseName.append(".");
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newBaseName.append(typeList[i].type->getFieldName());
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TType derefType(*terminalType, i);
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if (offset >= 0)
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offset = baseOffset + memberOffsets[i];
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int arrayStride = topLevelArrayStride;
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if (terminalType->getBasicType() == EbtBlock && terminalType->getQualifier().storage == EvqBuffer &&
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derefType.isArray()) {
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arrayStride = getArrayStride(baseType, derefType);
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}
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if (topLevelArraySize == -1 && arrayStride == 0 && blockParent)
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topLevelArraySize = 1;
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if (strictArraySuffix && blockParent) {
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// if this member is an array, store the top-level array stride but start the explosion from
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// the inner struct type.
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if (derefType.isArray() && derefType.isStruct()) {
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newBaseName.append("[0]");
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auto dimSize = derefType.isUnsizedArray() ? 0 : derefType.getArraySizes()->getDimSize(0);
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blowUpActiveAggregate(TType(derefType, 0), newBaseName, derefs, derefs.end(), memberOffsets[i],
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blockIndex, 0, dimSize, arrayStride, terminalType->getQualifier().storage, false);
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}
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else if (derefType.isArray()) {
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auto dimSize = derefType.isUnsizedArray() ? 0 : derefType.getArraySizes()->getDimSize(0);
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blowUpActiveAggregate(derefType, newBaseName, derefs, derefs.end(), memberOffsets[i], blockIndex,
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0, dimSize, 0, terminalType->getQualifier().storage, false);
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}
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else {
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blowUpActiveAggregate(derefType, newBaseName, derefs, derefs.end(), memberOffsets[i], blockIndex,
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0, 1, 0, terminalType->getQualifier().storage, false);
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}
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} else {
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blowUpActiveAggregate(derefType, newBaseName, derefs, derefs.end(), offset, blockIndex, 0,
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topLevelArraySize, arrayStride, baseStorage, active);
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}
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}
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}
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// it was all completed in the recursive calls above
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return;
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}
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if ((reflection.options & EShReflectionBasicArraySuffix) && terminalType->isArray()) {
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name.append(TString("[0]"));
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}
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// Finally, add a full string to the reflection database, and update the array size if necessary.
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// If the dereferenced entity to record is an array, compute the size and update the maximum size.
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// there might not be a final array dereference, it could have been copied as an array object
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if (arraySize == 0)
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arraySize = mapToGlArraySize(*terminalType);
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TReflection::TMapIndexToReflection& variables = reflection.GetVariableMapForStorage(baseStorage);
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TReflection::TNameToIndex::const_iterator it = reflection.nameToIndex.find(name.c_str());
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if (it == reflection.nameToIndex.end()) {
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int uniformIndex = (int)variables.size();
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reflection.nameToIndex[name.c_str()] = uniformIndex;
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variables.push_back(TObjectReflection(name.c_str(), *terminalType, offset, mapToGlType(*terminalType),
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arraySize, blockIndex));
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if (terminalType->isArray()) {
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variables.back().arrayStride = getArrayStride(baseType, *terminalType);
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if (topLevelArrayStride == 0)
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topLevelArrayStride = variables.back().arrayStride;
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}
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if ((reflection.options & EShReflectionSeparateBuffers) && terminalType->isAtomic())
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reflection.atomicCounterUniformIndices.push_back(uniformIndex);
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variables.back().topLevelArraySize = topLevelArraySize;
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variables.back().topLevelArrayStride = topLevelArrayStride;
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if ((reflection.options & EShReflectionAllBlockVariables) && active) {
|
|
EShLanguageMask& stages = variables.back().stages;
|
|
stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
|
|
}
|
|
} else {
|
|
if (arraySize > 1) {
|
|
int& reflectedArraySize = variables[it->second].size;
|
|
reflectedArraySize = std::max(arraySize, reflectedArraySize);
|
|
}
|
|
|
|
if ((reflection.options & EShReflectionAllBlockVariables) && active) {
|
|
EShLanguageMask& stages = variables[it->second].stages;
|
|
stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
|
|
}
|
|
}
|
|
}
|
|
|
|
// similar to blowUpActiveAggregate, but with simpler rules and no dereferences to follow.
|
|
void blowUpIOAggregate(bool input, const TString &baseName, const TType &type)
|
|
{
|
|
TString name = baseName;
|
|
|
|
// if the type is still too coarse a granularity, this is still an aggregate to expand, expand it...
|
|
if (! isReflectionGranularity(type)) {
|
|
if (type.isArray()) {
|
|
// Visit all the indices of this array, and for each one,
|
|
// fully explode the remaining aggregate to dereference
|
|
for (int i = 0; i < std::max(type.getOuterArraySize(), 1); ++i) {
|
|
TString newBaseName = name;
|
|
newBaseName.append(TString("[") + String(i) + "]");
|
|
TType derefType(type, 0);
|
|
|
|
blowUpIOAggregate(input, newBaseName, derefType);
|
|
}
|
|
} else {
|
|
// Visit all members of this aggregate, and for each one,
|
|
// fully explode the remaining aggregate to dereference
|
|
const TTypeList& typeList = *type.getStruct();
|
|
|
|
for (int i = 0; i < (int)typeList.size(); ++i) {
|
|
TString newBaseName = name;
|
|
if (newBaseName.size() > 0)
|
|
newBaseName.append(".");
|
|
newBaseName.append(typeList[i].type->getFieldName());
|
|
TType derefType(type, i);
|
|
|
|
blowUpIOAggregate(input, newBaseName, derefType);
|
|
}
|
|
}
|
|
|
|
// it was all completed in the recursive calls above
|
|
return;
|
|
}
|
|
|
|
if ((reflection.options & EShReflectionBasicArraySuffix) && type.isArray()) {
|
|
name.append(TString("[0]"));
|
|
}
|
|
|
|
TReflection::TMapIndexToReflection &ioItems =
|
|
input ? reflection.indexToPipeInput : reflection.indexToPipeOutput;
|
|
|
|
std::string namespacedName = input ? "in " : "out ";
|
|
namespacedName += name.c_str();
|
|
|
|
TReflection::TNameToIndex::const_iterator it = reflection.nameToIndex.find(namespacedName);
|
|
if (it == reflection.nameToIndex.end()) {
|
|
reflection.nameToIndex[namespacedName] = (int)ioItems.size();
|
|
ioItems.push_back(
|
|
TObjectReflection(name.c_str(), type, 0, mapToGlType(type), mapToGlArraySize(type), 0));
|
|
|
|
EShLanguageMask& stages = ioItems.back().stages;
|
|
stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
|
|
} else {
|
|
EShLanguageMask& stages = ioItems[it->second].stages;
|
|
stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
|
|
}
|
|
}
|
|
|
|
// Add a uniform dereference where blocks/struct/arrays are involved in the access.
|
|
// Handles the situation where the left node is at the correct or too coarse a
|
|
// granularity for reflection. (That is, further dereferences up the tree will be
|
|
// skipped.) Earlier dereferences, down the tree, will be handled
|
|
// at the same time, and logged to prevent reprocessing as the tree is traversed.
|
|
//
|
|
// Note: Other things like the following must be caught elsewhere:
|
|
// - a simple non-array, non-struct variable (no dereference even conceivable)
|
|
// - an aggregrate consumed en masse, without a dereference
|
|
//
|
|
// So, this code is for cases like
|
|
// - a struct/block dereferencing a member (whether the member is array or not)
|
|
// - an array of struct
|
|
// - structs/arrays containing the above
|
|
//
|
|
void addDereferencedUniform(TIntermBinary* topNode)
|
|
{
|
|
// See if too fine-grained to process (wait to get further down the tree)
|
|
const TType& leftType = topNode->getLeft()->getType();
|
|
if ((leftType.isVector() || leftType.isMatrix()) && ! leftType.isArray())
|
|
return;
|
|
|
|
// We have an array or structure or block dereference, see if it's a uniform
|
|
// based dereference (if not, skip it).
|
|
TIntermSymbol* base = findBase(topNode);
|
|
if (! base || ! base->getQualifier().isUniformOrBuffer())
|
|
return;
|
|
|
|
// See if we've already processed this (e.g., in the middle of something
|
|
// we did earlier), and if so skip it
|
|
if (processedDerefs.find(topNode) != processedDerefs.end())
|
|
return;
|
|
|
|
// Process this uniform dereference
|
|
|
|
int offset = -1;
|
|
int blockIndex = -1;
|
|
bool anonymous = false;
|
|
|
|
// See if we need to record the block itself
|
|
bool block = base->getBasicType() == EbtBlock;
|
|
if (block) {
|
|
offset = 0;
|
|
anonymous = IsAnonymous(base->getName());
|
|
|
|
const TString& blockName = base->getType().getTypeName();
|
|
TString baseName;
|
|
|
|
if (! anonymous)
|
|
baseName = blockName;
|
|
|
|
blockIndex = addBlockName(blockName, base->getType(), intermediate.getBlockSize(base->getType()));
|
|
|
|
if (reflection.options & EShReflectionAllBlockVariables) {
|
|
// Use a degenerate (empty) set of dereferences to immediately put as at the end of
|
|
// the dereference change expected by blowUpActiveAggregate.
|
|
TList<TIntermBinary*> derefs;
|
|
|
|
// otherwise - if we're not using strict array suffix rules, or this isn't a block so we are
|
|
// expanding root arrays anyway, just start the iteration from the base block type.
|
|
blowUpActiveAggregate(base->getType(), baseName, derefs, derefs.end(), 0, blockIndex, 0, -1, 0,
|
|
base->getQualifier().storage, false);
|
|
}
|
|
}
|
|
|
|
// Process the dereference chain, backward, accumulating the pieces for later forward traversal.
|
|
// If the topNode is a reflection-granularity-array dereference, don't include that last dereference.
|
|
TList<TIntermBinary*> derefs;
|
|
for (TIntermBinary* visitNode = topNode; visitNode; visitNode = visitNode->getLeft()->getAsBinaryNode()) {
|
|
if (isReflectionGranularity(visitNode->getLeft()->getType()))
|
|
continue;
|
|
|
|
derefs.push_front(visitNode);
|
|
processedDerefs.insert(visitNode);
|
|
}
|
|
processedDerefs.insert(base);
|
|
|
|
// See if we have a specific array size to stick to while enumerating the explosion of the aggregate
|
|
int arraySize = 0;
|
|
if (isReflectionGranularity(topNode->getLeft()->getType()) && topNode->getLeft()->isArray()) {
|
|
if (topNode->getOp() == EOpIndexDirect)
|
|
arraySize = topNode->getRight()->getAsConstantUnion()->getConstArray()[0].getIConst() + 1;
|
|
}
|
|
|
|
// Put the dereference chain together, forward
|
|
TString baseName;
|
|
if (! anonymous) {
|
|
if (block)
|
|
baseName = base->getType().getTypeName();
|
|
else
|
|
baseName = base->getName();
|
|
}
|
|
blowUpActiveAggregate(base->getType(), baseName, derefs, derefs.begin(), offset, blockIndex, arraySize, -1, 0,
|
|
base->getQualifier().storage, true);
|
|
}
|
|
|
|
int addBlockName(const TString& name, const TType& type, int size)
|
|
{
|
|
int blockIndex = 0;
|
|
if (type.isArray()) {
|
|
TType derefType(type, 0);
|
|
for (int e = 0; e < type.getOuterArraySize(); ++e) {
|
|
int memberBlockIndex = addBlockName(name + "[" + String(e) + "]", derefType, size);
|
|
if (e == 0)
|
|
blockIndex = memberBlockIndex;
|
|
}
|
|
} else {
|
|
TReflection::TMapIndexToReflection& blocks = reflection.GetBlockMapForStorage(type.getQualifier().storage);
|
|
|
|
TReflection::TNameToIndex::const_iterator it = reflection.nameToIndex.find(name.c_str());
|
|
if (reflection.nameToIndex.find(name.c_str()) == reflection.nameToIndex.end()) {
|
|
blockIndex = (int)blocks.size();
|
|
reflection.nameToIndex[name.c_str()] = blockIndex;
|
|
blocks.push_back(TObjectReflection(name.c_str(), type, -1, -1, size, blockIndex));
|
|
|
|
blocks.back().numMembers = countAggregateMembers(type);
|
|
|
|
if (updateStageMasks) {
|
|
EShLanguageMask& stages = blocks.back().stages;
|
|
stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
|
|
}
|
|
}
|
|
else {
|
|
blockIndex = it->second;
|
|
if (updateStageMasks) {
|
|
EShLanguageMask& stages = blocks[blockIndex].stages;
|
|
stages = static_cast<EShLanguageMask>(stages | 1 << intermediate.getStage());
|
|
}
|
|
}
|
|
}
|
|
|
|
return blockIndex;
|
|
}
|
|
|
|
// Are we at a level in a dereference chain at which individual active uniform queries are made?
|
|
bool isReflectionGranularity(const TType& type)
|
|
{
|
|
return type.getBasicType() != EbtBlock && type.getBasicType() != EbtStruct && !type.isArrayOfArrays();
|
|
}
|
|
|
|
// For a binary operation indexing into an aggregate, chase down the base of the aggregate.
|
|
// Return 0 if the topology does not fit this situation.
|
|
TIntermSymbol* findBase(const TIntermBinary* node)
|
|
{
|
|
TIntermSymbol *base = node->getLeft()->getAsSymbolNode();
|
|
if (base)
|
|
return base;
|
|
TIntermBinary* left = node->getLeft()->getAsBinaryNode();
|
|
if (! left)
|
|
return nullptr;
|
|
|
|
return findBase(left);
|
|
}
|
|
|
|
//
|
|
// Translate a glslang sampler type into the GL API #define number.
|
|
//
|
|
int mapSamplerToGlType(TSampler sampler)
|
|
{
|
|
if (! sampler.image) {
|
|
// a sampler...
|
|
switch (sampler.type) {
|
|
case EbtFloat:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
switch ((int)sampler.shadow) {
|
|
case false: return sampler.arrayed ? GL_SAMPLER_1D_ARRAY : GL_SAMPLER_1D;
|
|
case true: return sampler.arrayed ? GL_SAMPLER_1D_ARRAY_SHADOW : GL_SAMPLER_1D_SHADOW;
|
|
}
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false:
|
|
switch ((int)sampler.shadow) {
|
|
case false: return sampler.arrayed ? GL_SAMPLER_2D_ARRAY : GL_SAMPLER_2D;
|
|
case true: return sampler.arrayed ? GL_SAMPLER_2D_ARRAY_SHADOW : GL_SAMPLER_2D_SHADOW;
|
|
}
|
|
case true: return sampler.arrayed ? GL_SAMPLER_2D_MULTISAMPLE_ARRAY : GL_SAMPLER_2D_MULTISAMPLE;
|
|
}
|
|
case Esd3D:
|
|
return GL_SAMPLER_3D;
|
|
case EsdCube:
|
|
switch ((int)sampler.shadow) {
|
|
case false: return sampler.arrayed ? GL_SAMPLER_CUBE_MAP_ARRAY : GL_SAMPLER_CUBE;
|
|
case true: return sampler.arrayed ? GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW : GL_SAMPLER_CUBE_SHADOW;
|
|
}
|
|
case EsdRect:
|
|
return sampler.shadow ? GL_SAMPLER_2D_RECT_SHADOW : GL_SAMPLER_2D_RECT;
|
|
case EsdBuffer:
|
|
return GL_SAMPLER_BUFFER;
|
|
}
|
|
case EbtFloat16:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
switch ((int)sampler.shadow) {
|
|
case false: return sampler.arrayed ? GL_FLOAT16_SAMPLER_1D_ARRAY_AMD : GL_FLOAT16_SAMPLER_1D_AMD;
|
|
case true: return sampler.arrayed ? GL_FLOAT16_SAMPLER_1D_ARRAY_SHADOW_AMD : GL_FLOAT16_SAMPLER_1D_SHADOW_AMD;
|
|
}
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false:
|
|
switch ((int)sampler.shadow) {
|
|
case false: return sampler.arrayed ? GL_FLOAT16_SAMPLER_2D_ARRAY_AMD : GL_FLOAT16_SAMPLER_2D_AMD;
|
|
case true: return sampler.arrayed ? GL_FLOAT16_SAMPLER_2D_ARRAY_SHADOW_AMD : GL_FLOAT16_SAMPLER_2D_SHADOW_AMD;
|
|
}
|
|
case true: return sampler.arrayed ? GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_ARRAY_AMD : GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_AMD;
|
|
}
|
|
case Esd3D:
|
|
return GL_FLOAT16_SAMPLER_3D_AMD;
|
|
case EsdCube:
|
|
switch ((int)sampler.shadow) {
|
|
case false: return sampler.arrayed ? GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_AMD : GL_FLOAT16_SAMPLER_CUBE_AMD;
|
|
case true: return sampler.arrayed ? GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_SHADOW_AMD : GL_FLOAT16_SAMPLER_CUBE_SHADOW_AMD;
|
|
}
|
|
case EsdRect:
|
|
return sampler.shadow ? GL_FLOAT16_SAMPLER_2D_RECT_SHADOW_AMD : GL_FLOAT16_SAMPLER_2D_RECT_AMD;
|
|
case EsdBuffer:
|
|
return GL_FLOAT16_SAMPLER_BUFFER_AMD;
|
|
}
|
|
case EbtInt:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
return sampler.arrayed ? GL_INT_SAMPLER_1D_ARRAY : GL_INT_SAMPLER_1D;
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false: return sampler.arrayed ? GL_INT_SAMPLER_2D_ARRAY : GL_INT_SAMPLER_2D;
|
|
case true: return sampler.arrayed ? GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY
|
|
: GL_INT_SAMPLER_2D_MULTISAMPLE;
|
|
}
|
|
case Esd3D:
|
|
return GL_INT_SAMPLER_3D;
|
|
case EsdCube:
|
|
return sampler.arrayed ? GL_INT_SAMPLER_CUBE_MAP_ARRAY : GL_INT_SAMPLER_CUBE;
|
|
case EsdRect:
|
|
return GL_INT_SAMPLER_2D_RECT;
|
|
case EsdBuffer:
|
|
return GL_INT_SAMPLER_BUFFER;
|
|
}
|
|
case EbtUint:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
return sampler.arrayed ? GL_UNSIGNED_INT_SAMPLER_1D_ARRAY : GL_UNSIGNED_INT_SAMPLER_1D;
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false: return sampler.arrayed ? GL_UNSIGNED_INT_SAMPLER_2D_ARRAY : GL_UNSIGNED_INT_SAMPLER_2D;
|
|
case true: return sampler.arrayed ? GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY
|
|
: GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE;
|
|
}
|
|
case Esd3D:
|
|
return GL_UNSIGNED_INT_SAMPLER_3D;
|
|
case EsdCube:
|
|
return sampler.arrayed ? GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY : GL_UNSIGNED_INT_SAMPLER_CUBE;
|
|
case EsdRect:
|
|
return GL_UNSIGNED_INT_SAMPLER_2D_RECT;
|
|
case EsdBuffer:
|
|
return GL_UNSIGNED_INT_SAMPLER_BUFFER;
|
|
}
|
|
default:
|
|
return 0;
|
|
}
|
|
} else {
|
|
// an image...
|
|
switch (sampler.type) {
|
|
case EbtFloat:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
return sampler.arrayed ? GL_IMAGE_1D_ARRAY : GL_IMAGE_1D;
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false: return sampler.arrayed ? GL_IMAGE_2D_ARRAY : GL_IMAGE_2D;
|
|
case true: return sampler.arrayed ? GL_IMAGE_2D_MULTISAMPLE_ARRAY : GL_IMAGE_2D_MULTISAMPLE;
|
|
}
|
|
case Esd3D:
|
|
return GL_IMAGE_3D;
|
|
case EsdCube:
|
|
return sampler.arrayed ? GL_IMAGE_CUBE_MAP_ARRAY : GL_IMAGE_CUBE;
|
|
case EsdRect:
|
|
return GL_IMAGE_2D_RECT;
|
|
case EsdBuffer:
|
|
return GL_IMAGE_BUFFER;
|
|
}
|
|
case EbtFloat16:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
return sampler.arrayed ? GL_FLOAT16_IMAGE_1D_ARRAY_AMD : GL_FLOAT16_IMAGE_1D_AMD;
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false: return sampler.arrayed ? GL_FLOAT16_IMAGE_2D_ARRAY_AMD : GL_FLOAT16_IMAGE_2D_AMD;
|
|
case true: return sampler.arrayed ? GL_FLOAT16_IMAGE_2D_MULTISAMPLE_ARRAY_AMD : GL_FLOAT16_IMAGE_2D_MULTISAMPLE_AMD;
|
|
}
|
|
case Esd3D:
|
|
return GL_FLOAT16_IMAGE_3D_AMD;
|
|
case EsdCube:
|
|
return sampler.arrayed ? GL_FLOAT16_IMAGE_CUBE_MAP_ARRAY_AMD : GL_FLOAT16_IMAGE_CUBE_AMD;
|
|
case EsdRect:
|
|
return GL_FLOAT16_IMAGE_2D_RECT_AMD;
|
|
case EsdBuffer:
|
|
return GL_FLOAT16_IMAGE_BUFFER_AMD;
|
|
}
|
|
case EbtInt:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
return sampler.arrayed ? GL_INT_IMAGE_1D_ARRAY : GL_INT_IMAGE_1D;
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false: return sampler.arrayed ? GL_INT_IMAGE_2D_ARRAY : GL_INT_IMAGE_2D;
|
|
case true: return sampler.arrayed ? GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY : GL_INT_IMAGE_2D_MULTISAMPLE;
|
|
}
|
|
case Esd3D:
|
|
return GL_INT_IMAGE_3D;
|
|
case EsdCube:
|
|
return sampler.arrayed ? GL_INT_IMAGE_CUBE_MAP_ARRAY : GL_INT_IMAGE_CUBE;
|
|
case EsdRect:
|
|
return GL_INT_IMAGE_2D_RECT;
|
|
case EsdBuffer:
|
|
return GL_INT_IMAGE_BUFFER;
|
|
}
|
|
case EbtUint:
|
|
switch ((int)sampler.dim) {
|
|
case Esd1D:
|
|
return sampler.arrayed ? GL_UNSIGNED_INT_IMAGE_1D_ARRAY : GL_UNSIGNED_INT_IMAGE_1D;
|
|
case Esd2D:
|
|
switch ((int)sampler.ms) {
|
|
case false: return sampler.arrayed ? GL_UNSIGNED_INT_IMAGE_2D_ARRAY : GL_UNSIGNED_INT_IMAGE_2D;
|
|
case true: return sampler.arrayed ? GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY
|
|
: GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE;
|
|
}
|
|
case Esd3D:
|
|
return GL_UNSIGNED_INT_IMAGE_3D;
|
|
case EsdCube:
|
|
return sampler.arrayed ? GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY : GL_UNSIGNED_INT_IMAGE_CUBE;
|
|
case EsdRect:
|
|
return GL_UNSIGNED_INT_IMAGE_2D_RECT;
|
|
case EsdBuffer:
|
|
return GL_UNSIGNED_INT_IMAGE_BUFFER;
|
|
}
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Translate a glslang type into the GL API #define number.
|
|
// Ignores arrayness.
|
|
//
|
|
int mapToGlType(const TType& type)
|
|
{
|
|
switch (type.getBasicType()) {
|
|
case EbtSampler:
|
|
return mapSamplerToGlType(type.getSampler());
|
|
case EbtStruct:
|
|
case EbtBlock:
|
|
case EbtVoid:
|
|
return 0;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (type.isVector()) {
|
|
int offset = type.getVectorSize() - 2;
|
|
switch (type.getBasicType()) {
|
|
case EbtFloat: return GL_FLOAT_VEC2 + offset;
|
|
case EbtDouble: return GL_DOUBLE_VEC2 + offset;
|
|
case EbtFloat16: return GL_FLOAT16_VEC2_NV + offset;
|
|
case EbtInt: return GL_INT_VEC2 + offset;
|
|
case EbtUint: return GL_UNSIGNED_INT_VEC2 + offset;
|
|
case EbtInt64: return GL_INT64_VEC2_ARB + offset;
|
|
case EbtUint64: return GL_UNSIGNED_INT64_VEC2_ARB + offset;
|
|
case EbtBool: return GL_BOOL_VEC2 + offset;
|
|
case EbtAtomicUint: return GL_UNSIGNED_INT_ATOMIC_COUNTER + offset;
|
|
default: return 0;
|
|
}
|
|
}
|
|
if (type.isMatrix()) {
|
|
switch (type.getBasicType()) {
|
|
case EbtFloat:
|
|
switch (type.getMatrixCols()) {
|
|
case 2:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_FLOAT_MAT2;
|
|
case 3: return GL_FLOAT_MAT2x3;
|
|
case 4: return GL_FLOAT_MAT2x4;
|
|
default: return 0;
|
|
}
|
|
case 3:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_FLOAT_MAT3x2;
|
|
case 3: return GL_FLOAT_MAT3;
|
|
case 4: return GL_FLOAT_MAT3x4;
|
|
default: return 0;
|
|
}
|
|
case 4:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_FLOAT_MAT4x2;
|
|
case 3: return GL_FLOAT_MAT4x3;
|
|
case 4: return GL_FLOAT_MAT4;
|
|
default: return 0;
|
|
}
|
|
}
|
|
case EbtDouble:
|
|
switch (type.getMatrixCols()) {
|
|
case 2:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_DOUBLE_MAT2;
|
|
case 3: return GL_DOUBLE_MAT2x3;
|
|
case 4: return GL_DOUBLE_MAT2x4;
|
|
default: return 0;
|
|
}
|
|
case 3:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_DOUBLE_MAT3x2;
|
|
case 3: return GL_DOUBLE_MAT3;
|
|
case 4: return GL_DOUBLE_MAT3x4;
|
|
default: return 0;
|
|
}
|
|
case 4:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_DOUBLE_MAT4x2;
|
|
case 3: return GL_DOUBLE_MAT4x3;
|
|
case 4: return GL_DOUBLE_MAT4;
|
|
default: return 0;
|
|
}
|
|
}
|
|
case EbtFloat16:
|
|
switch (type.getMatrixCols()) {
|
|
case 2:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_FLOAT16_MAT2_AMD;
|
|
case 3: return GL_FLOAT16_MAT2x3_AMD;
|
|
case 4: return GL_FLOAT16_MAT2x4_AMD;
|
|
default: return 0;
|
|
}
|
|
case 3:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_FLOAT16_MAT3x2_AMD;
|
|
case 3: return GL_FLOAT16_MAT3_AMD;
|
|
case 4: return GL_FLOAT16_MAT3x4_AMD;
|
|
default: return 0;
|
|
}
|
|
case 4:
|
|
switch (type.getMatrixRows()) {
|
|
case 2: return GL_FLOAT16_MAT4x2_AMD;
|
|
case 3: return GL_FLOAT16_MAT4x3_AMD;
|
|
case 4: return GL_FLOAT16_MAT4_AMD;
|
|
default: return 0;
|
|
}
|
|
}
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
if (type.getVectorSize() == 1) {
|
|
switch (type.getBasicType()) {
|
|
case EbtFloat: return GL_FLOAT;
|
|
case EbtDouble: return GL_DOUBLE;
|
|
case EbtFloat16: return GL_FLOAT16_NV;
|
|
case EbtInt: return GL_INT;
|
|
case EbtUint: return GL_UNSIGNED_INT;
|
|
case EbtInt64: return GL_INT64_ARB;
|
|
case EbtUint64: return GL_UNSIGNED_INT64_ARB;
|
|
case EbtBool: return GL_BOOL;
|
|
case EbtAtomicUint: return GL_UNSIGNED_INT_ATOMIC_COUNTER;
|
|
default: return 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mapToGlArraySize(const TType& type)
|
|
{
|
|
return type.isArray() ? type.getOuterArraySize() : 1;
|
|
}
|
|
|
|
const TIntermediate& intermediate;
|
|
TReflection& reflection;
|
|
std::set<const TIntermNode*> processedDerefs;
|
|
bool updateStageMasks;
|
|
|
|
protected:
|
|
TReflectionTraverser(TReflectionTraverser&);
|
|
TReflectionTraverser& operator=(TReflectionTraverser&);
|
|
};
|
|
|
|
//
|
|
// Implement the traversal functions of interest.
|
|
//
|
|
|
|
// To catch dereferenced aggregates that must be reflected.
|
|
// This catches them at the highest level possible in the tree.
|
|
bool TReflectionTraverser::visitBinary(TVisit /* visit */, TIntermBinary* node)
|
|
{
|
|
switch (node->getOp()) {
|
|
case EOpIndexDirect:
|
|
case EOpIndexIndirect:
|
|
case EOpIndexDirectStruct:
|
|
addDereferencedUniform(node);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// still need to visit everything below, which could contain sub-expressions
|
|
// containing different uniforms
|
|
return true;
|
|
}
|
|
|
|
// To reflect non-dereferenced objects.
|
|
void TReflectionTraverser::visitSymbol(TIntermSymbol* base)
|
|
{
|
|
if (base->getQualifier().storage == EvqUniform) {
|
|
if (base->getBasicType() == EbtBlock) {
|
|
if (reflection.options & EShReflectionSharedStd140UBO) {
|
|
addUniform(*base);
|
|
}
|
|
} else {
|
|
addUniform(*base);
|
|
}
|
|
}
|
|
|
|
// #TODO add std140/layout active rules for ssbo, same with ubo.
|
|
// Storage buffer blocks will be collected and expanding in this part.
|
|
if((reflection.options & EShReflectionSharedStd140SSBO) &&
|
|
(base->getQualifier().storage == EvqBuffer && base->getBasicType() == EbtBlock &&
|
|
(base->getQualifier().layoutPacking == ElpStd140 || base->getQualifier().layoutPacking == ElpShared)))
|
|
addUniform(*base);
|
|
|
|
if ((intermediate.getStage() == reflection.firstStage && base->getQualifier().isPipeInput()) ||
|
|
(intermediate.getStage() == reflection.lastStage && base->getQualifier().isPipeOutput()))
|
|
addPipeIOVariable(*base);
|
|
}
|
|
|
|
//
|
|
// Implement TObjectReflection methods.
|
|
//
|
|
|
|
TObjectReflection::TObjectReflection(const std::string &pName, const TType &pType, int pOffset, int pGLDefineType,
|
|
int pSize, int pIndex)
|
|
: name(pName), offset(pOffset), glDefineType(pGLDefineType), size(pSize), index(pIndex), counterIndex(-1),
|
|
numMembers(-1), arrayStride(0), topLevelArrayStride(0), stages(EShLanguageMask(0)), type(pType.clone())
|
|
{
|
|
}
|
|
|
|
int TObjectReflection::getBinding() const
|
|
{
|
|
if (type == nullptr || !type->getQualifier().hasBinding())
|
|
return -1;
|
|
return type->getQualifier().layoutBinding;
|
|
}
|
|
|
|
void TObjectReflection::dump() const
|
|
{
|
|
printf("%s: offset %d, type %x, size %d, index %d, binding %d, stages %d", name.c_str(), offset, glDefineType, size,
|
|
index, getBinding(), stages);
|
|
|
|
if (counterIndex != -1)
|
|
printf(", counter %d", counterIndex);
|
|
|
|
if (numMembers != -1)
|
|
printf(", numMembers %d", numMembers);
|
|
|
|
if (arrayStride != 0)
|
|
printf(", arrayStride %d", arrayStride);
|
|
|
|
if (topLevelArrayStride != 0)
|
|
printf(", topLevelArrayStride %d", topLevelArrayStride);
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
//
|
|
// Implement TReflection methods.
|
|
//
|
|
|
|
// Track any required attribute reflection, such as compute shader numthreads.
|
|
//
|
|
void TReflection::buildAttributeReflection(EShLanguage stage, const TIntermediate& intermediate)
|
|
{
|
|
if (stage == EShLangCompute) {
|
|
// Remember thread dimensions
|
|
for (int dim=0; dim<3; ++dim)
|
|
localSize[dim] = intermediate.getLocalSize(dim);
|
|
}
|
|
}
|
|
|
|
// build counter block index associations for buffers
|
|
void TReflection::buildCounterIndices(const TIntermediate& intermediate)
|
|
{
|
|
#ifdef ENABLE_HLSL
|
|
// search for ones that have counters
|
|
for (int i = 0; i < int(indexToUniformBlock.size()); ++i) {
|
|
const TString counterName(intermediate.addCounterBufferName(indexToUniformBlock[i].name).c_str());
|
|
const int index = getIndex(counterName);
|
|
|
|
if (index >= 0)
|
|
indexToUniformBlock[i].counterIndex = index;
|
|
}
|
|
#else
|
|
(void)intermediate;
|
|
#endif
|
|
}
|
|
|
|
// build Shader Stages mask for all uniforms
|
|
void TReflection::buildUniformStageMask(const TIntermediate& intermediate)
|
|
{
|
|
if (options & EShReflectionAllBlockVariables)
|
|
return;
|
|
|
|
for (int i = 0; i < int(indexToUniform.size()); ++i) {
|
|
indexToUniform[i].stages = static_cast<EShLanguageMask>(indexToUniform[i].stages | 1 << intermediate.getStage());
|
|
}
|
|
|
|
for (int i = 0; i < int(indexToBufferVariable.size()); ++i) {
|
|
indexToBufferVariable[i].stages =
|
|
static_cast<EShLanguageMask>(indexToBufferVariable[i].stages | 1 << intermediate.getStage());
|
|
}
|
|
}
|
|
|
|
// Merge live symbols from 'intermediate' into the existing reflection database.
|
|
//
|
|
// Returns false if the input is too malformed to do this.
|
|
bool TReflection::addStage(EShLanguage stage, const TIntermediate& intermediate)
|
|
{
|
|
if (intermediate.getTreeRoot() == nullptr ||
|
|
intermediate.getNumEntryPoints() != 1 ||
|
|
intermediate.isRecursive())
|
|
return false;
|
|
|
|
buildAttributeReflection(stage, intermediate);
|
|
|
|
TReflectionTraverser it(intermediate, *this);
|
|
|
|
for (auto& sequnence : intermediate.getTreeRoot()->getAsAggregate()->getSequence()) {
|
|
if (sequnence->getAsAggregate() != nullptr) {
|
|
if (sequnence->getAsAggregate()->getOp() == glslang::EOpLinkerObjects) {
|
|
it.updateStageMasks = false;
|
|
TIntermAggregate* linkerObjects = sequnence->getAsAggregate();
|
|
for (auto& sequnence : linkerObjects->getSequence()) {
|
|
auto pNode = sequnence->getAsSymbolNode();
|
|
if (pNode != nullptr) {
|
|
if ((pNode->getQualifier().storage == EvqUniform &&
|
|
(options & EShReflectionSharedStd140UBO)) ||
|
|
(pNode->getQualifier().storage == EvqBuffer &&
|
|
(options & EShReflectionSharedStd140SSBO))) {
|
|
// collect std140 and shared uniform block form AST
|
|
if ((pNode->getBasicType() == EbtBlock) &&
|
|
((pNode->getQualifier().layoutPacking == ElpStd140) ||
|
|
(pNode->getQualifier().layoutPacking == ElpShared))) {
|
|
pNode->traverse(&it);
|
|
}
|
|
}
|
|
else if ((options & EShReflectionAllIOVariables) &&
|
|
(pNode->getQualifier().isPipeInput() || pNode->getQualifier().isPipeOutput()))
|
|
{
|
|
pNode->traverse(&it);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// This traverser will travers all function in AST.
|
|
// If we want reflect uncalled function, we need set linke message EShMsgKeepUncalled.
|
|
// When EShMsgKeepUncalled been set to true, all function will be keep in AST, even it is a uncalled function.
|
|
// This will keep some uniform variables in reflection, if those uniform variables is used in these uncalled function.
|
|
//
|
|
// If we just want reflect only live node, we can use a default link message or set EShMsgKeepUncalled false.
|
|
// When linke message not been set EShMsgKeepUncalled, linker won't keep uncalled function in AST.
|
|
// So, travers all function node can equivalent to travers live function.
|
|
it.updateStageMasks = true;
|
|
sequnence->getAsAggregate()->traverse(&it);
|
|
}
|
|
}
|
|
}
|
|
it.updateStageMasks = true;
|
|
|
|
buildCounterIndices(intermediate);
|
|
buildUniformStageMask(intermediate);
|
|
|
|
return true;
|
|
}
|
|
|
|
void TReflection::dump()
|
|
{
|
|
printf("Uniform reflection:\n");
|
|
for (size_t i = 0; i < indexToUniform.size(); ++i)
|
|
indexToUniform[i].dump();
|
|
printf("\n");
|
|
|
|
printf("Uniform block reflection:\n");
|
|
for (size_t i = 0; i < indexToUniformBlock.size(); ++i)
|
|
indexToUniformBlock[i].dump();
|
|
printf("\n");
|
|
|
|
printf("Buffer variable reflection:\n");
|
|
for (size_t i = 0; i < indexToBufferVariable.size(); ++i)
|
|
indexToBufferVariable[i].dump();
|
|
printf("\n");
|
|
|
|
printf("Buffer block reflection:\n");
|
|
for (size_t i = 0; i < indexToBufferBlock.size(); ++i)
|
|
indexToBufferBlock[i].dump();
|
|
printf("\n");
|
|
|
|
printf("Pipeline input reflection:\n");
|
|
for (size_t i = 0; i < indexToPipeInput.size(); ++i)
|
|
indexToPipeInput[i].dump();
|
|
printf("\n");
|
|
|
|
printf("Pipeline output reflection:\n");
|
|
for (size_t i = 0; i < indexToPipeOutput.size(); ++i)
|
|
indexToPipeOutput[i].dump();
|
|
printf("\n");
|
|
|
|
if (getLocalSize(0) > 1) {
|
|
static const char* axis[] = { "X", "Y", "Z" };
|
|
|
|
for (int dim=0; dim<3; ++dim)
|
|
if (getLocalSize(dim) > 1)
|
|
printf("Local size %s: %u\n", axis[dim], getLocalSize(dim));
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
// printf("Live names\n");
|
|
// for (TNameToIndex::const_iterator it = nameToIndex.begin(); it != nameToIndex.end(); ++it)
|
|
// printf("%s: %d\n", it->first.c_str(), it->second);
|
|
// printf("\n");
|
|
}
|
|
|
|
} // end namespace glslang
|
|
|
|
#endif // !GLSLANG_WEB && !GLSLANG_ANGLE
|