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Change binding auto-map to use provided offsets.

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Previously, the binding auto-mapping facility was free to use any unused
binding.  This change makes auto-bindings use the same offset value as
explicit bindings.
This commit is contained in:
steve-lunarg 2016-10-01 11:27:43 -06:00
parent 074ced3e00
commit 088c59d7ea
5 changed files with 21 additions and 24 deletions
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4
Test/baseResults/spv.buffer.autoassign.frag.out
View File

@ -35,11 +35,11 @@ Linked fragment stage:
MemberDecorate 25 0 Offset 0
Decorate 25 Block
Decorate 27 DescriptorSet 0
Decorate 27 Binding 1
Decorate 27 Binding 15
MemberDecorate 31 0 Offset 0
Decorate 31 Block
Decorate 33 DescriptorSet 0
Decorate 33 Binding 2
Decorate 33 Binding 16
Decorate 41(Color) Location 0
2: TypeVoid
3: TypeFunction 2

14
Test/baseResults/spv.glsl.register.autoassign.frag.out
View File

@ -51,21 +51,21 @@ Linked fragment stage:
Decorate 21(g_sSamp1) DescriptorSet 0
Decorate 21(g_sSamp1) Binding 5
Decorate 27(g_tTex2) DescriptorSet 0
Decorate 27(g_tTex2) Binding 1
Decorate 27(g_tTex2) Binding 14
Decorate 29(g_sSamp2) DescriptorSet 0
Decorate 29(g_sSamp2) Binding 2
Decorate 29(g_sSamp2) Binding 6
Decorate 39(g_tTex3) DescriptorSet 0
Decorate 39(g_tTex3) Binding 13
Decorate 46(g_sSamp3) DescriptorSet 0
Decorate 46(g_sSamp3) Binding 7
Decorate 64(g_tTex4) DescriptorSet 0
Decorate 64(g_tTex4) Binding 3
Decorate 64(g_tTex4) Binding 15
Decorate 69(g_sSamp4) DescriptorSet 0
Decorate 69(g_sSamp4) Binding 4
Decorate 69(g_sSamp4) Binding 8
Decorate 84(g_tTex5) DescriptorSet 0
Decorate 84(g_tTex5) Binding 6
Decorate 84(g_tTex5) Binding 16
Decorate 86(g_sSamp5) DescriptorSet 0
Decorate 86(g_sSamp5) Binding 8
Decorate 86(g_sSamp5) Binding 9
MemberDecorate 93(MyStruct_t) 0 Offset 0
MemberDecorate 93(MyStruct_t) 1 Offset 4
MemberDecorate 93(MyStruct_t) 2 Offset 16
@ -75,7 +75,7 @@ Linked fragment stage:
MemberDecorate 95(myblock) 3 Offset 64
Decorate 95(myblock) Block
Decorate 97 DescriptorSet 0
Decorate 97 Binding 19
Decorate 97 Binding 24
Decorate 119(g_tTex_unused1) DescriptorSet 0
Decorate 119(g_tTex_unused1) Binding 10
Decorate 121(g_sSamp_unused1) DescriptorSet 0

14
Test/baseResults/spv.register.autoassign.frag.out
View File

@ -51,21 +51,21 @@ Linked fragment stage:
Decorate 21(g_sSamp1) DescriptorSet 0
Decorate 21(g_sSamp1) Binding 5
Decorate 27(g_tTex2) DescriptorSet 0
Decorate 27(g_tTex2) Binding 1
Decorate 27(g_tTex2) Binding 14
Decorate 29(g_sSamp2) DescriptorSet 0
Decorate 29(g_sSamp2) Binding 2
Decorate 29(g_sSamp2) Binding 6
Decorate 39(g_tTex3) DescriptorSet 0
Decorate 39(g_tTex3) Binding 13
Decorate 46(g_sSamp3) DescriptorSet 0
Decorate 46(g_sSamp3) Binding 7
Decorate 64(g_tTex4) DescriptorSet 0
Decorate 64(g_tTex4) Binding 3
Decorate 64(g_tTex4) Binding 15
Decorate 69(g_sSamp4) DescriptorSet 0
Decorate 69(g_sSamp4) Binding 4
Decorate 69(g_sSamp4) Binding 8
Decorate 84(g_tTex5) DescriptorSet 0
Decorate 84(g_tTex5) Binding 6
Decorate 84(g_tTex5) Binding 16
Decorate 86(g_sSamp5) DescriptorSet 0
Decorate 86(g_sSamp5) Binding 8
Decorate 86(g_sSamp5) Binding 9
MemberDecorate 93(MyStruct_t) 0 Offset 0
MemberDecorate 93(MyStruct_t) 1 Offset 4
MemberDecorate 93(MyStruct_t) 2 Offset 16
@ -75,7 +75,7 @@ Linked fragment stage:
MemberDecorate 95($Global) 3 Offset 64
Decorate 95($Global) Block
Decorate 97 DescriptorSet 0
Decorate 97 Binding 9
Decorate 97 Binding 20
Decorate 119(g_tTex_unused1) DescriptorSet 0
Decorate 119(g_tTex_unused1) Binding 10
Decorate 121(g_sSamp_unused1) DescriptorSet 0

9
glslang/MachineIndependent/iomapper.cpp
View File

@ -151,8 +151,7 @@ class TIoMappingTraverser : public TBindingTraverser {
public:
TIoMappingTraverser(TIntermediate& i, TBindingMap& bindingMap, TUsedBindings& usedBindings,
bool traverseDeadCode) :
TBindingTraverser(i, bindingMap, usedBindings, traverseDeadCode),
nextBinding(1)
TBindingTraverser(i, bindingMap, usedBindings, traverseDeadCode)
{ }
protected:
@ -172,7 +171,7 @@ protected:
if (intermediate.getAutoMapBindings()) {
// Otherwise, find a free spot for it.
const int freeBinding = getFreeBinding(base.getType());
const int freeBinding = getFreeBinding(base.getType(), getBindingBase(base.getType()));
markBinding(base, freeBinding);
base.getWritableType().getQualifier().layoutBinding = freeBinding;
@ -190,14 +189,12 @@ protected:
}
// Find a free binding spot
int getFreeBinding(const TType&) {
int getFreeBinding(const TType&, int nextBinding) {
while (!hasNFreeSlots(nextBinding, 1))
++nextBinding;
return nextBinding;
}
int nextBinding;
};
// Map I/O variables to provided offsets, and make bindings for

4
gtests/Spv.FromFile.cpp
View File

@ -281,7 +281,7 @@ INSTANTIATE_TEST_CASE_P(
INSTANTIATE_TEST_CASE_P(
Hlsl, HlslIoMap,
::testing::ValuesIn(std::vector<IoMapData>{
{ "spv.register.autoassign.frag", "main_ep", 5, 10, 15, true, false },
{ "spv.register.autoassign.frag", "main_ep", 5, 10, 20, true, false },
{ "spv.register.noautoassign.frag", "main_ep", 5, 10, 15, false, false },
{ "spv.register.autoassign-2.frag", "main", 5, 10, 15, true, true },
{ "spv.buffer.autoassign.frag", "main", 5, 10, 15, true, true },
@ -293,7 +293,7 @@ INSTANTIATE_TEST_CASE_P(
INSTANTIATE_TEST_CASE_P(
Hlsl, GlslIoMap,
::testing::ValuesIn(std::vector<IoMapData>{
{ "spv.glsl.register.autoassign.frag", "main", 5, 10, 15, true, false },
{ "spv.glsl.register.autoassign.frag", "main", 5, 10, 20, true, false },
{ "spv.glsl.register.noautoassign.frag", "main", 5, 10, 15, false, false },
}),
FileNameAsCustomTestSuffixIoMap