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HLSL: More robust handling of bad shader input, catching a few more things.

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This commit is contained in:
John Kessenich 2016-12-14 17:02:32 -07:00
parent dca93d6baa
commit 1e275c8486
6 changed files with 82 additions and 74 deletions
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1
SPIRV/SpvBuilder.cpp
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@ -2144,6 +2144,7 @@ void Builder::accessChainPushSwizzle(std::vector<unsigned>& swizzle, Id preSwizz
std::vector<unsigned> oldSwizzle = accessChain.swizzle;
accessChain.swizzle.resize(0);
for (unsigned int i = 0; i < swizzle.size(); ++i) {
assert(swizzle[i] < oldSwizzle.size());
accessChain.swizzle.push_back(oldSwizzle[swizzle[i]]);
}
} else

132
Test/baseResults/hlsl.array.implicit-size.frag.out
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@ -41,38 +41,38 @@ gl_FragCoord origin is upper left
0:28 1.000000
0:28 2.000000
0:28 3.000000
0:30 move second child to first child (temp 4-component vector of float)
0:30 color: direct index for structure (temp 4-component vector of float)
0:30 'ps_output' (out structure{temp 4-component vector of float color})
0:30 Constant:
0:30 0 (const int)
0:30 Construct vec4 (temp 4-component vector of float)
0:30 add (temp float)
0:30 add (temp float)
0:30 add (temp float)
0:30 add (temp float)
0:30 direct index (temp float)
0:30 'g_array' (global 5-element array of float)
0:30 Constant:
0:30 0 (const int)
0:30 direct index (temp float)
0:30 'g_array' (global 5-element array of float)
0:30 Constant:
0:30 4 (const int)
0:30 direct index (temp float)
0:30 'l_array' (temp 3-element array of float)
0:30 Constant:
0:30 1 (const int)
0:30 f: direct index for structure (temp float)
0:30 direct index (temp structure{temp int i, temp float f})
0:30 'g_mystruct' (global 2-element array of structure{temp int i, temp float f})
0:30 Constant:
0:30 0 (const int)
0:30 Constant:
0:30 1 (const int)
0:30 indirect index (temp float)
0:30 'g_array' (global 5-element array of float)
0:30 'idx' (temp void)
0:31 move second child to first child (temp 4-component vector of float)
0:31 color: direct index for structure (temp 4-component vector of float)
0:31 'ps_output' (out structure{temp 4-component vector of float color})
0:31 Constant:
0:31 0 (const int)
0:31 Construct vec4 (temp 4-component vector of float)
0:31 add (temp float)
0:31 add (temp float)
0:31 add (temp float)
0:31 add (temp float)
0:31 direct index (temp float)
0:31 'g_array' (global 5-element array of float)
0:31 Constant:
0:31 0 (const int)
0:31 direct index (temp float)
0:31 'g_array' (global 5-element array of float)
0:31 Constant:
0:31 4 (const int)
0:31 direct index (temp float)
0:31 'l_array' (temp 3-element array of float)
0:31 Constant:
0:31 1 (const int)
0:31 f: direct index for structure (temp float)
0:31 direct index (temp structure{temp int i, temp float f})
0:31 'g_mystruct' (global 2-element array of structure{temp int i, temp float f})
0:31 Constant:
0:31 0 (const int)
0:31 Constant:
0:31 1 (const int)
0:31 indirect index (temp float)
0:31 'g_array' (global 5-element array of float)
0:31 'idx' (temp int)
0:? Linker Objects
0:? 'g_array' (global 5-element array of float)
0:? 'g_array_unused' (global 7-element array of float)
@ -125,38 +125,38 @@ gl_FragCoord origin is upper left
0:28 1.000000
0:28 2.000000
0:28 3.000000
0:30 move second child to first child (temp 4-component vector of float)
0:30 color: direct index for structure (temp 4-component vector of float)
0:30 'ps_output' (out structure{temp 4-component vector of float color})
0:30 Constant:
0:30 0 (const int)
0:30 Construct vec4 (temp 4-component vector of float)
0:30 add (temp float)
0:30 add (temp float)
0:30 add (temp float)
0:30 add (temp float)
0:30 direct index (temp float)
0:30 'g_array' (global 5-element array of float)
0:30 Constant:
0:30 0 (const int)
0:30 direct index (temp float)
0:30 'g_array' (global 5-element array of float)
0:30 Constant:
0:30 4 (const int)
0:30 direct index (temp float)
0:30 'l_array' (temp 3-element array of float)
0:30 Constant:
0:30 1 (const int)
0:30 f: direct index for structure (temp float)
0:30 direct index (temp structure{temp int i, temp float f})
0:30 'g_mystruct' (global 2-element array of structure{temp int i, temp float f})
0:30 Constant:
0:30 0 (const int)
0:30 Constant:
0:30 1 (const int)
0:30 indirect index (temp float)
0:30 'g_array' (global 5-element array of float)
0:30 'idx' (temp void)
0:31 move second child to first child (temp 4-component vector of float)
0:31 color: direct index for structure (temp 4-component vector of float)
0:31 'ps_output' (out structure{temp 4-component vector of float color})
0:31 Constant:
0:31 0 (const int)
0:31 Construct vec4 (temp 4-component vector of float)
0:31 add (temp float)
0:31 add (temp float)
0:31 add (temp float)
0:31 add (temp float)
0:31 direct index (temp float)
0:31 'g_array' (global 5-element array of float)
0:31 Constant:
0:31 0 (const int)
0:31 direct index (temp float)
0:31 'g_array' (global 5-element array of float)
0:31 Constant:
0:31 4 (const int)
0:31 direct index (temp float)
0:31 'l_array' (temp 3-element array of float)
0:31 Constant:
0:31 1 (const int)
0:31 f: direct index for structure (temp float)
0:31 direct index (temp structure{temp int i, temp float f})
0:31 'g_mystruct' (global 2-element array of structure{temp int i, temp float f})
0:31 Constant:
0:31 0 (const int)
0:31 Constant:
0:31 1 (const int)
0:31 indirect index (temp float)
0:31 'g_array' (global 5-element array of float)
0:31 'idx' (temp int)
0:? Linker Objects
0:? 'g_array' (global 5-element array of float)
0:? 'g_array_unused' (global 7-element array of float)
@ -228,7 +228,7 @@ gl_FragCoord origin is upper left
49: TypePointer Private 6(float)
52: 32(int) Constant 4
56: TypePointer Function 6(float)
63: TypePointer Function 2
63: TypePointer Function 32(int)
70: TypePointer Function 7(fvec4)
4(PixelShaderFunction): 2 Function None 3
5: Label
@ -254,7 +254,7 @@ gl_FragCoord origin is upper left
60: 49(ptr) AccessChain 37(g_mystruct) 48 38
61: 6(float) Load 60
62: 6(float) FAdd 59 61
65: 2 Load 64(idx)
65: 32(int) Load 64(idx)
66: 49(ptr) AccessChain 18(g_array) 65
67: 6(float) Load 66
68: 6(float) FAdd 62 67

1
Test/hlsl.array.implicit-size.frag
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@ -26,6 +26,7 @@ void main(out PS_OUTPUT ps_output)
{
// local array sized from initializers
float l_array[] = { 1, 2, 3 };
int idx;
ps_output.color = g_array[0] + g_array[4] + l_array[1] + g_mystruct[0].f + g_array[idx];
}

4
glslang/Include/revision.h
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@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "Overload400-PrecQual.1689"
#define GLSLANG_DATE "12-Dec-2016"
#define GLSLANG_REVISION "Overload400-PrecQual.1694"
#define GLSLANG_DATE "14-Dec-2016"

16
hlsl/hlslParseHelper.cpp
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@ -579,8 +579,10 @@ TIntermTyped* HlslParseContext::handleVariable(const TSourceLoc& loc, TSymbol* s
}
// Recovery, if it wasn't found or was not a variable.
if (! variable)
if (! variable) {
error(loc, "unknown variable", string->c_str(), "");
variable = new TVariable(string, TType(EbtVoid));
}
if (variable->getType().getQualifier().isFrontEndConstant())
node = intermediate.addConstantUnion(variable->getConstArray(), variable->getType(), loc);
@ -2781,7 +2783,7 @@ TIntermTyped* HlslParseContext::handleLengthMethod(const TSourceLoc& loc, TFunct
//
// Add any needed implicit conversions for function-call arguments to input parameters.
//
void HlslParseContext::addInputArgumentConversions(const TFunction& function, TIntermNode*& arguments) const
void HlslParseContext::addInputArgumentConversions(const TFunction& function, TIntermNode*& arguments)
{
TIntermAggregate* aggregate = arguments->getAsAggregate();
const auto setArg = [&](int argNum, TIntermNode* arg) {
@ -2809,9 +2811,13 @@ void HlslParseContext::addInputArgumentConversions(const TFunction& function, TI
if (*function[i].type != arg->getType()) {
// In-qualified arguments just need an extra node added above the argument to
// convert to the correct type.
arg = intermediate.addConversion(EOpFunctionCall, *function[i].type, arg);
arg = intermediate.addShapeConversion(EOpFunctionCall, *function[i].type, arg);
setArg(i, arg);
TIntermTyped* convArg = intermediate.addConversion(EOpFunctionCall, *function[i].type, arg);
if (convArg != nullptr)
convArg = intermediate.addShapeConversion(EOpFunctionCall, *function[i].type, convArg);
if (convArg != nullptr)
setArg(i, convArg);
else
error(arg->getLoc(), "cannot convert input argument, argument", "", "%d", i);
} else {
if (wasFlattened(arg)) {
// Will make a two-level subtree.

2
hlsl/hlslParseHelper.h
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@ -84,7 +84,7 @@ public:
void decomposeSampleMethods(const TSourceLoc&, TIntermTyped*& node, TIntermNode* arguments);
void decomposeGeometryMethods(const TSourceLoc&, TIntermTyped*& node, TIntermNode* arguments);
TIntermTyped* handleLengthMethod(const TSourceLoc&, TFunction*, TIntermNode*);
void addInputArgumentConversions(const TFunction&, TIntermNode*&) const;
void addInputArgumentConversions(const TFunction&, TIntermNode*&);
TIntermTyped* addOutputArgumentConversions(const TFunction&, TIntermOperator&);
void builtInOpCheck(const TSourceLoc&, const TFunction&, TIntermOperator&);
TFunction* handleConstructorCall(const TSourceLoc&, const TType&);