Revert of added support for push_constant layout (patchset #7 id:140001 of https://codereview.chromium.org/2187433003/ )

Reason for revert:
hitting assert in vulkan

Original issue's description:
> added support for push_constant layout
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2187433003
>
> Committed: https://skia.googlesource.com/skia/+/fa5f65ac61fd525029aa9dab161ffe4896c10f6d

TBR=ethannicholas@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review-Url: https://codereview.chromium.org/2509673002

1 files changed, 1 insertions, 9 deletions

diff --git a/src/sksl/SkSLSPIRVCodeGenerator.h b/src/sksl/SkSLSPIRVCodeGenerator.h
index 6459e5bcf5..e6fc28ee0c 100644
--- a/src/sksl/SkSLSPIRVCodeGenerator.h
+++ b/src/sksl/SkSLSPIRVCodeGenerator.h
@@ -14,7 +14,6 @@
 #include <unordered_map>
 
 #include "SkSLCodeGenerator.h"
-#include "SkSLMemoryLayout.h"
 #include "ir/SkSLBinaryExpression.h"
 #include "ir/SkSLBoolLiteral.h"
 #include "ir/SkSLConstructor.h"
@@ -64,7 +63,6 @@ public:
 
     SPIRVCodeGenerator(const Context* context)
     : fContext(*context)
-    , fDefaultLayout(MemoryLayout::k140_Standard)
     , fCapabilities(1 << SpvCapabilityShader)
     , fIdCount(1)
     , fBoolTrue(0)
@@ -95,22 +93,17 @@ private:
 
     SpvId getType(const Type& type);
 
-    SpvId getType(const Type& type, const MemoryLayout& layout);
-
     SpvId getFunctionType(const FunctionDeclaration& function);
 
     SpvId getPointerType(const Type& type, SpvStorageClass_ storageClass);
 
-    SpvId getPointerType(const Type& type, const MemoryLayout& layout, 
-                         SpvStorageClass_ storageClass);
-
     std::vector<SpvId> getAccessChain(const Expression& expr, std::ostream& out);
 
     void writeLayout(const Layout& layout, SpvId target);
 
     void writeLayout(const Layout& layout, SpvId target, int member);
 
-    void writeStruct(const Type& type, const MemoryLayout& layout, SpvId resultId);
+    void writeStruct(const Type& type, SpvId resultId);
 
     void writeProgramElement(const ProgramElement& pe, std::ostream& out);
 
@@ -236,7 +229,6 @@ private:
                           std::ostream& out);
 
     const Context& fContext;
-    const MemoryLayout fDefaultLayout;
 
     uint64_t fCapabilities;
     SpvId fIdCount;