Move OutputHLSL utility methods to other files.
OutputHLSL was become a large, unweildy file. Some were also useful
to other classes, even on the GL back-end, but were inacessible.
Refactoring patch only.
BUG=angle:466
Change-Id: Id216147122ca105c6ccdf0ba0c5f6c5038726965
Reviewed-on: https://chromium-review.googlesource.com/203459
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/compiler/translator/UtilsHLSL.cpp b/src/compiler/translator/UtilsHLSL.cpp
new file mode 100644
index 0000000..fa9b494
--- /dev/null
+++ b/src/compiler/translator/UtilsHLSL.cpp
@@ -0,0 +1,244 @@
+//
+// Copyright (c) 2014 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.
+//
+// UtilsHLSL.cpp:
+// Utility methods for GLSL to HLSL translation.
+//
+
+#include "compiler/translator/UtilsHLSL.h"
+#include "compiler/translator/OutputHLSL.h"
+#include "compiler/translator/SymbolTable.h"
+
+namespace sh
+{
+
+TString SamplerString(const TType &type)
+{
+ if (IsShadowSampler(type.getBasicType()))
+ {
+ return "SamplerComparisonState";
+ }
+ else
+ {
+ return "SamplerState";
+ }
+}
+
+TString TextureString(const TType &type)
+{
+ switch (type.getBasicType())
+ {
+ case EbtSampler2D: return "Texture2D";
+ case EbtSamplerCube: return "TextureCube";
+ case EbtSamplerExternalOES: return "Texture2D";
+ case EbtSampler2DArray: return "Texture2DArray";
+ case EbtSampler3D: return "Texture3D";
+ case EbtISampler2D: return "Texture2D<int4>";
+ case EbtISampler3D: return "Texture3D<int4>";
+ case EbtISamplerCube: return "Texture2DArray<int4>";
+ case EbtISampler2DArray: return "Texture2DArray<int4>";
+ case EbtUSampler2D: return "Texture2D<uint4>";
+ case EbtUSampler3D: return "Texture3D<uint4>";
+ case EbtUSamplerCube: return "Texture2DArray<uint4>";
+ case EbtUSampler2DArray: return "Texture2DArray<uint4>";
+ case EbtSampler2DShadow: return "Texture2D";
+ case EbtSamplerCubeShadow: return "TextureCube";
+ case EbtSampler2DArrayShadow: return "Texture2DArray";
+ default: UNREACHABLE();
+ }
+
+ return "<unknown texture type>";
+}
+
+TString DecorateUniform(const TString &string, const TType &type)
+{
+ if (type.getBasicType() == EbtSamplerExternalOES)
+ {
+ return "ex_" + string;
+ }
+
+ return Decorate(string);
+}
+
+TString DecorateField(const TString &string, const TStructure &structure)
+{
+ if (structure.name().compare(0, 3, "gl_") != 0)
+ {
+ return Decorate(string);
+ }
+
+ return string;
+}
+
+TString DecoratePrivate(const TString &privateText)
+{
+ return "dx_" + privateText;
+}
+
+TString Decorate(const TString &string)
+{
+ if (string.compare(0, 3, "gl_"))
+ {
+ return "_" + string;
+ }
+
+ return string;
+}
+
+TString TypeString(const TType &type)
+{
+ const TStructure* structure = type.getStruct();
+ if (structure)
+ {
+ const TString& typeName = structure->name();
+ if (typeName != "")
+ {
+ return StructNameString(*structure);
+ }
+ else // Nameless structure, define in place
+ {
+ return OutputHLSL::defineNamelessStruct(*structure);
+ }
+ }
+ else if (type.isMatrix())
+ {
+ int cols = type.getCols();
+ int rows = type.getRows();
+ return "float" + str(cols) + "x" + str(rows);
+ }
+ else
+ {
+ switch (type.getBasicType())
+ {
+ case EbtFloat:
+ switch (type.getNominalSize())
+ {
+ case 1: return "float";
+ case 2: return "float2";
+ case 3: return "float3";
+ case 4: return "float4";
+ }
+ case EbtInt:
+ switch (type.getNominalSize())
+ {
+ case 1: return "int";
+ case 2: return "int2";
+ case 3: return "int3";
+ case 4: return "int4";
+ }
+ case EbtUInt:
+ switch (type.getNominalSize())
+ {
+ case 1: return "uint";
+ case 2: return "uint2";
+ case 3: return "uint3";
+ case 4: return "uint4";
+ }
+ case EbtBool:
+ switch (type.getNominalSize())
+ {
+ case 1: return "bool";
+ case 2: return "bool2";
+ case 3: return "bool3";
+ case 4: return "bool4";
+ }
+ case EbtVoid:
+ return "void";
+ case EbtSampler2D:
+ case EbtISampler2D:
+ case EbtUSampler2D:
+ case EbtSampler2DArray:
+ case EbtISampler2DArray:
+ case EbtUSampler2DArray:
+ return "sampler2D";
+ case EbtSamplerCube:
+ case EbtISamplerCube:
+ case EbtUSamplerCube:
+ return "samplerCUBE";
+ case EbtSamplerExternalOES:
+ return "sampler2D";
+ default:
+ break;
+ }
+ }
+
+ UNREACHABLE();
+ return "<unknown type>";
+}
+
+TString StructNameString(const TStructure &structure)
+{
+ if (structure.name().empty())
+ {
+ return "";
+ }
+
+ return "ss_" + str(structure.uniqueId()) + structure.name();
+}
+
+TString QualifiedStructNameString(const TStructure &structure, bool useHLSLRowMajorPacking,
+ bool useStd140Packing)
+{
+ if (structure.name() == "")
+ {
+ return "";
+ }
+
+ TString prefix = "";
+
+ // Structs packed with row-major matrices in HLSL are prefixed with "rm"
+ // GLSL column-major maps to HLSL row-major, and the converse is true
+
+ if (useStd140Packing)
+ {
+ prefix += "std";
+ }
+
+ if (useHLSLRowMajorPacking)
+ {
+ if (prefix != "") prefix += "_";
+ prefix += "rm";
+ }
+
+ return prefix + StructNameString(structure);
+}
+
+TString InterpolationString(TQualifier qualifier)
+{
+ switch (qualifier)
+ {
+ case EvqVaryingIn: return "";
+ case EvqFragmentIn: return "";
+ case EvqInvariantVaryingIn: return "";
+ case EvqSmoothIn: return "linear";
+ case EvqFlatIn: return "nointerpolation";
+ case EvqCentroidIn: return "centroid";
+ case EvqVaryingOut: return "";
+ case EvqVertexOut: return "";
+ case EvqInvariantVaryingOut: return "";
+ case EvqSmoothOut: return "linear";
+ case EvqFlatOut: return "nointerpolation";
+ case EvqCentroidOut: return "centroid";
+ default: UNREACHABLE();
+ }
+
+ return "";
+}
+
+TString QualifierString(TQualifier qualifier)
+{
+ switch (qualifier)
+ {
+ case EvqIn: return "in";
+ case EvqOut: return "inout"; // 'out' results in an HLSL error if not all fields are written, for GLSL it's undefined
+ case EvqInOut: return "inout";
+ case EvqConstReadOnly: return "const";
+ default: UNREACHABLE();
+ }
+
+ return "";
+}
+
+}