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SPV: Handle type punning in createCompositeCompare().

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This commit is contained in:
John Kessenich 2016-01-04 23:49:03 -07:00
parent f8842e55c0
commit e23c9849c2
3 changed files with 91 additions and 21 deletions
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9
SPIRV/SpvBuilder.cpp
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@ -1423,7 +1423,6 @@ Id Builder::createCompositeCompare(Decoration precision, Id value1, Id value2, b
{
Id boolType = makeBoolType();
Id valueType = getTypeId(value1);
assert(valueType == getTypeId(value2));
Id resultId;
@ -1432,6 +1431,7 @@ Id Builder::createCompositeCompare(Decoration precision, Id value1, Id value2, b
// Scalars and Vectors
if (isScalarType(valueType) || isVectorType(valueType)) {
assert(valueType == getTypeId(value2));
// These just need a single comparison, just have
// to figure out what it is.
Op op;
@ -1470,9 +1470,10 @@ Id Builder::createCompositeCompare(Decoration precision, Id value1, Id value2, b
// Compare each pair of constituents
for (int constituent = 0; constituent < numConstituents; ++constituent) {
std::vector<unsigned> indexes(1, constituent);
Id constituentType = getContainedTypeId(valueType, constituent);
Id constituent1 = createCompositeExtract(value1, constituentType, indexes);
Id constituent2 = createCompositeExtract(value2, constituentType, indexes);
Id constituentType1 = getContainedTypeId(getTypeId(value1), constituent);
Id constituentType2 = getContainedTypeId(getTypeId(value2), constituent);
Id constituent1 = createCompositeExtract(value1, constituentType1, indexes);
Id constituent2 = createCompositeExtract(value2, constituentType2, indexes);
Id subResultId = createCompositeCompare(precision, constituent1, constituent2, equal);

87
Test/baseResults/spv.aggOps.frag.out
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@ -1,6 +1,5 @@
spv.aggOps.frag
WARNING: 0:4: varying deprecated in version 130; may be removed in future release
WARNING: 0:6: varying deprecated in version 130; may be removed in future release
Warning, version 450 is not yet complete; most version-specific features are present, but some are missing.
Linked fragment stage:
@ -8,14 +7,14 @@ Linked fragment stage:
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 346
// Id's are bound by 380
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 16 41 90 342
EntryPoint Fragment 4 "main" 16 41 90 376
ExecutionMode 4 OriginLowerLeft
Source GLSL 130
Source GLSL 450
Name 4 "main"
Name 8 "s1"
MemberName 8(s1) 0 "i"
@ -33,8 +32,32 @@ Linked fragment stage:
Name 82 "v"
Name 86 "samp2D"
Name 90 "coord"
Name 342 "gl_FragColor"
Name 345 "foo1"
Name 341 "s1"
MemberName 341(s1) 0 "i"
MemberName 341(s1) 1 "f"
Name 342 "s2"
MemberName 342(s2) 0 "i"
MemberName 342(s2) 1 "f"
MemberName 342(s2) 2 "s1_1"
Name 343 "bn"
MemberName 343(bn) 0 "foo2a"
Name 345 "bi"
Name 347 "s1"
MemberName 347(s1) 0 "i"
MemberName 347(s1) 1 "f"
Name 348 "s2"
MemberName 348(s2) 0 "i"
MemberName 348(s2) 1 "f"
MemberName 348(s2) 2 "s1_1"
Name 376 "color"
Name 379 "foo1"
MemberDecorate 341(s1) 0 Offset 0
MemberDecorate 341(s1) 1 Offset 4
MemberDecorate 342(s2) 0 Offset 0
MemberDecorate 342(s2) 1 Offset 4
MemberDecorate 342(s2) 2 Offset 16
MemberDecorate 343(bn) 0 Offset 0
Decorate 343(bn) Block
2: TypeVoid
3: TypeFunction 2
6: TypeInt 32 1
@ -79,10 +102,20 @@ Linked fragment stage:
126: 7(float) Constant 1084227584
232: 7(float) Constant 1086324736
338: 7(float) Constant 1088421888
341: TypePointer Output 14(fvec4)
342(gl_FragColor): 341(ptr) Variable Output
344: TypePointer UniformConstant 8(s1)
345(foo1): 344(ptr) Variable UniformConstant
341(s1): TypeStruct 6(int) 7(float)
342(s2): TypeStruct 6(int) 7(float) 341(s1)
343(bn): TypeStruct 342(s2)
344: TypePointer Uniform 343(bn)
345(bi): 344(ptr) Variable Uniform
346: 6(int) Constant 0
347(s1): TypeStruct 6(int) 7(float)
348(s2): TypeStruct 6(int) 7(float) 347(s1)
349: TypePointer Uniform 342(s2)
372: 7(float) Constant 1090519040
375: TypePointer Output 14(fvec4)
376(color): 375(ptr) Variable Output
378: TypePointer UniformConstant 8(s1)
379(foo1): 378(ptr) Variable UniformConstant
4(main): 2 Function None 3
5: Label
13(a): 12(ptr) Variable Function
@ -406,7 +439,35 @@ Linked fragment stage:
Store 82(v) 340
Branch 337
337: Label
343: 14(fvec4) Load 82(v)
Store 342(gl_FragColor) 343
350: 349(ptr) AccessChain 345(bi) 346
351: 342(s2) Load 350
352: 55(s2) Load 57(foo2a)
353: 6(int) CompositeExtract 351 0
354: 6(int) CompositeExtract 352 0
355: 61(bool) INotEqual 353 354
356: 7(float) CompositeExtract 351 1
357: 7(float) CompositeExtract 352 1
358: 61(bool) FOrdNotEqual 356 357
359: 61(bool) LogicalOr 355 358
360: 341(s1) CompositeExtract 351 2
361: 8(s1) CompositeExtract 352 2
362: 6(int) CompositeExtract 360 0
363: 6(int) CompositeExtract 361 0
364: 61(bool) INotEqual 362 363
365: 7(float) CompositeExtract 360 1
366: 7(float) CompositeExtract 361 1
367: 61(bool) FOrdNotEqual 365 366
368: 61(bool) LogicalOr 364 367
369: 61(bool) LogicalOr 359 368
SelectionMerge 371 None
BranchConditional 369 370 371
370: Label
373: 14(fvec4) Load 82(v)
374: 14(fvec4) VectorTimesScalar 373 372
Store 82(v) 374
Branch 371
371: Label
377: 14(fvec4) Load 82(v)
Store 376(color) 377
Return
FunctionEnd

16
Test/spv.aggOps.frag
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@ -1,9 +1,10 @@
#version 130
#version 450
uniform sampler2D samp2D;
varying mediump vec2 coord;
in mediump vec2 coord;
varying vec4 u, w;
in vec4 u, w;
out vec4 color;
struct s1 {
int i;
@ -20,6 +21,10 @@ uniform s1 foo1;
uniform s2 foo2a;
uniform s2 foo2b;
layout(std140) uniform bn {
s2 foo2a;
} bi;
void main()
{
vec4 v;
@ -47,5 +52,8 @@ void main()
if (a != b)
v *= 7.0;
gl_FragColor = v;
if (bi.foo2a != foo2a)
v *= 8.0;
color = v;
}