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-rw-r--r--src/3rdparty/angle/src/compiler/translator/OutputVulkanGLSL.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/OutputVulkanGLSL.cpp b/src/3rdparty/angle/src/compiler/translator/OutputVulkanGLSL.cpp
new file mode 100644
index 0000000000..6d11deb898
--- /dev/null
+++ b/src/3rdparty/angle/src/compiler/translator/OutputVulkanGLSL.cpp
@@ -0,0 +1,80 @@
+//
+// Copyright (c) 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// OutputVulkanGLSL:
+// Code that outputs shaders that fit GL_KHR_vulkan_glsl.
+// The shaders are then fed into glslang to spit out SPIR-V (libANGLE-side).
+// See: https://www.khronos.org/registry/vulkan/specs/misc/GL_KHR_vulkan_glsl.txt
+//
+
+#include "compiler/translator/OutputVulkanGLSL.h"
+
+#include "compiler/translator/util.h"
+
+namespace sh
+{
+
+TOutputVulkanGLSL::TOutputVulkanGLSL(TInfoSinkBase &objSink,
+ ShArrayIndexClampingStrategy clampingStrategy,
+ ShHashFunction64 hashFunction,
+ NameMap &nameMap,
+ TSymbolTable *symbolTable,
+ sh::GLenum shaderType,
+ int shaderVersion,
+ ShShaderOutput output,
+ ShCompileOptions compileOptions)
+ : TOutputGLSL(objSink,
+ clampingStrategy,
+ hashFunction,
+ nameMap,
+ symbolTable,
+ shaderType,
+ shaderVersion,
+ output,
+ compileOptions)
+{
+}
+
+// TODO(jmadill): This is not complete.
+void TOutputVulkanGLSL::writeLayoutQualifier(TIntermTyped *variable)
+{
+ const TType &type = variable->getType();
+
+ bool needsCustomLayout =
+ (type.getQualifier() == EvqAttribute || type.getQualifier() == EvqFragmentOut ||
+ type.getQualifier() == EvqVertexIn || IsVarying(type.getQualifier()) ||
+ IsSampler(type.getBasicType()));
+
+ if (!NeedsToWriteLayoutQualifier(type) && !needsCustomLayout)
+ {
+ return;
+ }
+
+ TInfoSinkBase &out = objSink();
+ const TLayoutQualifier &layoutQualifier = type.getLayoutQualifier();
+ out << "layout(";
+
+ // This isn't super clean, but it gets the job done.
+ // See corresponding code in GlslangWrapper.cpp.
+ // TODO(jmadill): Ensure declarations are separated.
+
+ TIntermSymbol *symbol = variable->getAsSymbolNode();
+ ASSERT(symbol);
+
+ if (needsCustomLayout)
+ {
+ out << "@@ LAYOUT-" << symbol->getName().getString() << " @@";
+ }
+
+ if (IsImage(type.getBasicType()) && layoutQualifier.imageInternalFormat != EiifUnspecified)
+ {
+ ASSERT(type.getQualifier() == EvqTemporary || type.getQualifier() == EvqUniform);
+ out << getImageInternalFormatString(layoutQualifier.imageInternalFormat);
+ }
+
+ out << ") ";
+}
+
+} // namespace sh