1 files changed, 411 insertions, 411 deletions
diff --git a/platform/winrt/include/GLSLANG/ShaderLang.h b/platform/winrt/include/GLSLANG/ShaderLang.h
index d925b88f24..647fed6a02 100644
--- a/platform/winrt/include/GLSLANG/ShaderLang.h
+++ b/platform/winrt/include/GLSLANG/ShaderLang.h
@@ -1,411 +1,411 @@
-//
-// Copyright (c) 2002-2013 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.
-//
-#ifndef _COMPILER_INTERFACE_INCLUDED_
-#define _COMPILER_INTERFACE_INCLUDED_
-
-#if defined(COMPONENT_BUILD) && !defined(ANGLE_TRANSLATOR_STATIC)
-#if defined(_WIN32) || defined(_WIN64)
-
-#if defined(ANGLE_TRANSLATOR_IMPLEMENTATION)
-#define COMPILER_EXPORT __declspec(dllexport)
-#else
-#define COMPILER_EXPORT __declspec(dllimport)
-#endif  // defined(ANGLE_TRANSLATOR_IMPLEMENTATION)
-
-#else  // defined(_WIN32) || defined(_WIN64)
-#define COMPILER_EXPORT __attribute__((visibility("default")))
-#endif
-
-#else  // defined(COMPONENT_BUILD) && !defined(ANGLE_TRANSLATOR_STATIC)
-#define COMPILER_EXPORT
-#endif
-
-#include <stddef.h>
-
-#include "KHR/khrplatform.h"
-
-#include <map>
-#include <string>
-#include <vector>
-
-//
-// This is the platform independent interface between an OGL driver
-// and the shading language compiler.
-//
-
-namespace sh
-{
-// GLenum alias
-typedef unsigned int GLenum;
-}
-
-// Must be included after GLenum proxy typedef
-// Note: make sure to increment ANGLE_SH_VERSION when changing ShaderVars.h
-#include "ShaderVars.h"
-
-// Version number for shader translation API.
-// It is incremented every time the API changes.
-#define ANGLE_SH_VERSION 132
-
-typedef enum {
-  SH_GLES2_SPEC = 0x8B40,
-  SH_WEBGL_SPEC = 0x8B41,
-
-  SH_GLES3_SPEC = 0x8B86,
-  SH_WEBGL2_SPEC = 0x8B87,
-
-  // The CSS Shaders spec is a subset of the WebGL spec.
-  //
-  // In both CSS vertex and fragment shaders, ANGLE:
-  // (1) Reserves the "css_" prefix.
-  // (2) Renames the main function to css_main.
-  // (3) Disables the gl_MaxDrawBuffers built-in.
-  //
-  // In CSS fragment shaders, ANGLE:
-  // (1) Disables the gl_FragColor built-in.
-  // (2) Disables the gl_FragData built-in.
-  // (3) Enables the css_MixColor built-in.
-  // (4) Enables the css_ColorMatrix built-in.
-  //
-  // After passing a CSS shader through ANGLE, the browser is expected to append
-  // a new main function to it.
-  // This new main function will call the css_main function.
-  // It may also perform additional operations like varying assignment, texture
-  // access, and gl_FragColor assignment in order to implement the CSS Shaders
-  // blend modes.
-  //
-  SH_CSS_SHADERS_SPEC = 0x8B42
-} ShShaderSpec;
-
-typedef enum {
-  SH_ESSL_OUTPUT   = 0x8B45,
-  SH_GLSL_OUTPUT   = 0x8B46,
-  SH_HLSL_OUTPUT   = 0x8B47,
-  SH_HLSL9_OUTPUT  = 0x8B47,
-  SH_HLSL11_OUTPUT = 0x8B48
-} ShShaderOutput;
-
-// Compile options.
-typedef enum {
-  SH_VALIDATE                = 0,
-  SH_VALIDATE_LOOP_INDEXING  = 0x0001,
-  SH_INTERMEDIATE_TREE       = 0x0002,
-  SH_OBJECT_CODE             = 0x0004,
-  SH_VARIABLES               = 0x0008,
-  SH_LINE_DIRECTIVES         = 0x0010,
-  SH_SOURCE_PATH             = 0x0020,
-  SH_UNROLL_FOR_LOOP_WITH_INTEGER_INDEX = 0x0040,
-  // If a sampler array index happens to be a loop index,
-  //   1) if its type is integer, unroll the loop.
-  //   2) if its type is float, fail the shader compile.
-  // This is to work around a mac driver bug.
-  SH_UNROLL_FOR_LOOP_WITH_SAMPLER_ARRAY_INDEX = 0x0080,
-
-  // This is needed only as a workaround for certain OpenGL driver bugs.
-  SH_EMULATE_BUILT_IN_FUNCTIONS = 0x0100,
-
-  // This is an experimental flag to enforce restrictions that aim to prevent 
-  // timing attacks.
-  // It generates compilation errors for shaders that could expose sensitive
-  // texture information via the timing channel.
-  // To use this flag, you must compile the shader under the WebGL spec
-  // (using the SH_WEBGL_SPEC flag).
-  SH_TIMING_RESTRICTIONS = 0x0200,
-
-  // This flag prints the dependency graph that is used to enforce timing
-  // restrictions on fragment shaders.
-  // This flag only has an effect if all of the following are true:
-  // - The shader spec is SH_WEBGL_SPEC.
-  // - The compile options contain the SH_TIMING_RESTRICTIONS flag.
-  // - The shader type is GL_FRAGMENT_SHADER.
-  SH_DEPENDENCY_GRAPH = 0x0400,
-
-  // Enforce the GLSL 1.017 Appendix A section 7 packing restrictions.
-  // This flag only enforces (and can only enforce) the packing
-  // restrictions for uniform variables in both vertex and fragment
-  // shaders. ShCheckVariablesWithinPackingLimits() lets embedders
-  // enforce the packing restrictions for varying variables during
-  // program link time.
-  SH_ENFORCE_PACKING_RESTRICTIONS = 0x0800,
-
-  // This flag ensures all indirect (expression-based) array indexing
-  // is clamped to the bounds of the array. This ensures, for example,
-  // that you cannot read off the end of a uniform, whether an array
-  // vec234, or mat234 type. The ShArrayIndexClampingStrategy enum,
-  // specified in the ShBuiltInResources when constructing the
-  // compiler, selects the strategy for the clamping implementation.
-  SH_CLAMP_INDIRECT_ARRAY_BOUNDS = 0x1000,
-
-  // This flag limits the complexity of an expression.
-  SH_LIMIT_EXPRESSION_COMPLEXITY = 0x2000,
-
-  // This flag limits the depth of the call stack.
-  SH_LIMIT_CALL_STACK_DEPTH = 0x4000,
-
-  // This flag initializes gl_Position to vec4(0,0,0,0) at the
-  // beginning of the vertex shader's main(), and has no effect in the
-  // fragment shader. It is intended as a workaround for drivers which
-  // incorrectly fail to link programs if gl_Position is not written.
-  SH_INIT_GL_POSITION = 0x8000,
-
-  // This flag replaces
-  //   "a && b" with "a ? b : false",
-  //   "a || b" with "a ? true : b".
-  // This is to work around a MacOSX driver bug that |b| is executed
-  // independent of |a|'s value.
-  SH_UNFOLD_SHORT_CIRCUIT = 0x10000,
-
-  // This flag initializes varyings without static use in vertex shader
-  // at the beginning of main(), and has no effects in the fragment shader.
-  // It is intended as a workaround for drivers which incorrectly optimize
-  // out such varyings and cause a link failure.
-  SH_INIT_VARYINGS_WITHOUT_STATIC_USE = 0x20000,
-
-  // This flag scalarizes vec/ivec/bvec/mat constructor args.
-  // It is intended as a workaround for Linux/Mac driver bugs.
-  SH_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS = 0x40000,
-
-  // This flag overwrites a struct name with a unique prefix.
-  // It is intended as a workaround for drivers that do not handle
-  // struct scopes correctly, including all Mac drivers and Linux AMD.
-  SH_REGENERATE_STRUCT_NAMES = 0x80000,
-} ShCompileOptions;
-
-// Defines alternate strategies for implementing array index clamping.
-typedef enum {
-  // Use the clamp intrinsic for array index clamping.
-  SH_CLAMP_WITH_CLAMP_INTRINSIC = 1,
-
-  // Use a user-defined function for array index clamping.
-  SH_CLAMP_WITH_USER_DEFINED_INT_CLAMP_FUNCTION
-} ShArrayIndexClampingStrategy;
-
-//
-// Driver must call this first, once, before doing any other
-// compiler operations.
-// If the function succeeds, the return value is true, else false.
-//
-COMPILER_EXPORT bool ShInitialize();
-//
-// Driver should call this at shutdown.
-// If the function succeeds, the return value is true, else false.
-//
-COMPILER_EXPORT bool ShFinalize();
-
-// The 64 bits hash function. The first parameter is the input string; the
-// second parameter is the string length.
-typedef khronos_uint64_t (*ShHashFunction64)(const char*, size_t);
-
-//
-// Implementation dependent built-in resources (constants and extensions).
-// The names for these resources has been obtained by stripping gl_/GL_.
-//
-typedef struct
-{
-    // Constants.
-    int MaxVertexAttribs;
-    int MaxVertexUniformVectors;
-    int MaxVaryingVectors;
-    int MaxVertexTextureImageUnits;
-    int MaxCombinedTextureImageUnits;
-    int MaxTextureImageUnits;
-    int MaxFragmentUniformVectors;
-    int MaxDrawBuffers;
-
-    // Extensions.
-    // Set to 1 to enable the extension, else 0.
-    int OES_standard_derivatives;
-    int OES_EGL_image_external;
-    int ARB_texture_rectangle;
-    int EXT_draw_buffers;
-    int EXT_frag_depth;
-    int EXT_shader_texture_lod;
-
-    // Set to 1 to enable replacing GL_EXT_draw_buffers #extension directives
-    // with GL_NV_draw_buffers in ESSL output. This flag can be used to emulate
-    // EXT_draw_buffers by using it in combination with GLES3.0 glDrawBuffers
-    // function. This applies to Tegra K1 devices.
-    int NV_draw_buffers;
-
-    // Set to 1 if highp precision is supported in the fragment language.
-    // Default is 0.
-    int FragmentPrecisionHigh;
-
-    // GLSL ES 3.0 constants.
-    int MaxVertexOutputVectors;
-    int MaxFragmentInputVectors;
-    int MinProgramTexelOffset;
-    int MaxProgramTexelOffset;
-
-    // Name Hashing.
-    // Set a 64 bit hash function to enable user-defined name hashing.
-    // Default is NULL.
-    ShHashFunction64 HashFunction;
-
-    // Selects a strategy to use when implementing array index clamping.
-    // Default is SH_CLAMP_WITH_CLAMP_INTRINSIC.
-    ShArrayIndexClampingStrategy ArrayIndexClampingStrategy;
-
-    // The maximum complexity an expression can be.
-    int MaxExpressionComplexity;
-
-    // The maximum depth a call stack can be.
-    int MaxCallStackDepth;
-} ShBuiltInResources;
-
-//
-// Initialize built-in resources with minimum expected values.
-// Parameters:
-// resources: The object to initialize. Will be comparable with memcmp.
-//
-COMPILER_EXPORT void ShInitBuiltInResources(ShBuiltInResources *resources);
-
-//
-// ShHandle held by but opaque to the driver.  It is allocated,
-// managed, and de-allocated by the compiler. Its contents
-// are defined by and used by the compiler.
-//
-// If handle creation fails, 0 will be returned.
-//
-typedef void *ShHandle;
-
-//
-// Returns the a concatenated list of the items in ShBuiltInResources as a
-// null-terminated string.
-// This function must be updated whenever ShBuiltInResources is changed.
-// Parameters:
-// handle: Specifies the handle of the compiler to be used.
-COMPILER_EXPORT const std::string &ShGetBuiltInResourcesString(const ShHandle handle);
-
-//
-// Driver calls these to create and destroy compiler objects.
-//
-// Returns the handle of constructed compiler, null if the requested compiler is
-// not supported.
-// Parameters:
-// type: Specifies the type of shader - GL_FRAGMENT_SHADER or GL_VERTEX_SHADER.
-// spec: Specifies the language spec the compiler must conform to -
-//       SH_GLES2_SPEC or SH_WEBGL_SPEC.
-// output: Specifies the output code type - SH_ESSL_OUTPUT, SH_GLSL_OUTPUT,
-//         SH_HLSL9_OUTPUT or SH_HLSL11_OUTPUT.
-// resources: Specifies the built-in resources.
-COMPILER_EXPORT ShHandle ShConstructCompiler(
-    sh::GLenum type,
-    ShShaderSpec spec,
-    ShShaderOutput output,
-    const ShBuiltInResources *resources);
-COMPILER_EXPORT void ShDestruct(ShHandle handle);
-
-//
-// Compiles the given shader source.
-// If the function succeeds, the return value is true, else false.
-// Parameters:
-// handle: Specifies the handle of compiler to be used.
-// shaderStrings: Specifies an array of pointers to null-terminated strings
-//                containing the shader source code.
-// numStrings: Specifies the number of elements in shaderStrings array.
-// compileOptions: A mask containing the following parameters:
-// SH_VALIDATE: Validates shader to ensure that it conforms to the spec
-//              specified during compiler construction.
-// SH_VALIDATE_LOOP_INDEXING: Validates loop and indexing in the shader to
-//                            ensure that they do not exceed the minimum
-//                            functionality mandated in GLSL 1.0 spec,
-//                            Appendix A, Section 4 and 5.
-//                            There is no need to specify this parameter when
-//                            compiling for WebGL - it is implied.
-// SH_INTERMEDIATE_TREE: Writes intermediate tree to info log.
-//                       Can be queried by calling ShGetInfoLog().
-// SH_OBJECT_CODE: Translates intermediate tree to glsl or hlsl shader.
-//                 Can be queried by calling ShGetObjectCode().
-// SH_VARIABLES: Extracts attributes, uniforms, and varyings.
-//               Can be queried by calling ShGetVariableInfo().
-//
-COMPILER_EXPORT bool ShCompile(
-    const ShHandle handle,
-    const char * const shaderStrings[],
-    size_t numStrings,
-    int compileOptions);
-
-// Return the version of the shader language.
-COMPILER_EXPORT int ShGetShaderVersion(const ShHandle handle);
-
-// Return the currently set language output type.
-COMPILER_EXPORT ShShaderOutput ShGetShaderOutputType(
-    const ShHandle handle);
-
-// Returns null-terminated information log for a compiled shader.
-// Parameters:
-// handle: Specifies the compiler
-COMPILER_EXPORT const std::string &ShGetInfoLog(const ShHandle handle);
-
-// Returns null-terminated object code for a compiled shader.
-// Parameters:
-// handle: Specifies the compiler
-COMPILER_EXPORT const std::string &ShGetObjectCode(const ShHandle handle);
-
-// Returns a (original_name, hash) map containing all the user defined
-// names in the shader, including variable names, function names, struct
-// names, and struct field names.
-// Parameters:
-// handle: Specifies the compiler
-COMPILER_EXPORT const std::map<std::string, std::string> *ShGetNameHashingMap(
-    const ShHandle handle);
-
-// Shader variable inspection.
-// Returns a pointer to a list of variables of the designated type.
-// (See ShaderVars.h for type definitions, included above)
-// Returns NULL on failure.
-// Parameters:
-// handle: Specifies the compiler
-COMPILER_EXPORT const std::vector<sh::Uniform> *ShGetUniforms(const ShHandle handle);
-COMPILER_EXPORT const std::vector<sh::Varying> *ShGetVaryings(const ShHandle handle);
-COMPILER_EXPORT const std::vector<sh::Attribute> *ShGetAttributes(const ShHandle handle);
-COMPILER_EXPORT const std::vector<sh::Attribute> *ShGetOutputVariables(const ShHandle handle);
-COMPILER_EXPORT const std::vector<sh::InterfaceBlock> *ShGetInterfaceBlocks(const ShHandle handle);
-
-typedef struct
-{
-    sh::GLenum type;
-    int size;
-} ShVariableInfo;
-
-// Returns true if the passed in variables pack in maxVectors following
-// the packing rules from the GLSL 1.017 spec, Appendix A, section 7.
-// Returns false otherwise. Also look at the SH_ENFORCE_PACKING_RESTRICTIONS
-// flag above.
-// Parameters:
-// maxVectors: the available rows of registers.
-// varInfoArray: an array of variable info (types and sizes).
-// varInfoArraySize: the size of the variable array.
-COMPILER_EXPORT bool ShCheckVariablesWithinPackingLimits(
-    int maxVectors,
-    ShVariableInfo *varInfoArray,
-    size_t varInfoArraySize);
-
-// Gives the compiler-assigned register for an interface block.
-// The method writes the value to the output variable "indexOut".
-// Returns true if it found a valid interface block, false otherwise.
-// Parameters:
-// handle: Specifies the compiler
-// interfaceBlockName: Specifies the interface block
-// indexOut: output variable that stores the assigned register
-COMPILER_EXPORT bool ShGetInterfaceBlockRegister(const ShHandle handle,
-                                                 const std::string &interfaceBlockName,
-                                                 unsigned int *indexOut);
-
-// Gives the compiler-assigned register for uniforms in the default
-// interface block.
-// The method writes the value to the output variable "indexOut".
-// Returns true if it found a valid default uniform, false otherwise.
-// Parameters:
-// handle: Specifies the compiler
-// interfaceBlockName: Specifies the uniform
-// indexOut: output variable that stores the assigned register
-COMPILER_EXPORT bool ShGetUniformRegister(const ShHandle handle,
-                                          const std::string &uniformName,
-                                          unsigned int *indexOut);
-
-#endif // _COMPILER_INTERFACE_INCLUDED_
+//
+// Copyright (c) 2002-2013 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.
+//
+#ifndef _COMPILER_INTERFACE_INCLUDED_
+#define _COMPILER_INTERFACE_INCLUDED_
+
+#if defined(COMPONENT_BUILD) && !defined(ANGLE_TRANSLATOR_STATIC)
+#if defined(_WIN32) || defined(_WIN64)
+
+#if defined(ANGLE_TRANSLATOR_IMPLEMENTATION)
+#define COMPILER_EXPORT __declspec(dllexport)
+#else
+#define COMPILER_EXPORT __declspec(dllimport)
+#endif  // defined(ANGLE_TRANSLATOR_IMPLEMENTATION)
+
+#else  // defined(_WIN32) || defined(_WIN64)
+#define COMPILER_EXPORT __attribute__((visibility("default")))
+#endif
+
+#else  // defined(COMPONENT_BUILD) && !defined(ANGLE_TRANSLATOR_STATIC)
+#define COMPILER_EXPORT
+#endif
+
+#include <stddef.h>
+
+#include "KHR/khrplatform.h"
+
+#include <map>
+#include <string>
+#include <vector>
+
+//
+// This is the platform independent interface between an OGL driver
+// and the shading language compiler.
+//
+
+namespace sh
+{
+// GLenum alias
+typedef unsigned int GLenum;
+}
+
+// Must be included after GLenum proxy typedef
+// Note: make sure to increment ANGLE_SH_VERSION when changing ShaderVars.h
+#include "ShaderVars.h"
+
+// Version number for shader translation API.
+// It is incremented every time the API changes.
+#define ANGLE_SH_VERSION 132
+
+typedef enum {
+  SH_GLES2_SPEC = 0x8B40,
+  SH_WEBGL_SPEC = 0x8B41,
+
+  SH_GLES3_SPEC = 0x8B86,
+  SH_WEBGL2_SPEC = 0x8B87,
+
+  // The CSS Shaders spec is a subset of the WebGL spec.
+  //
+  // In both CSS vertex and fragment shaders, ANGLE:
+  // (1) Reserves the "css_" prefix.
+  // (2) Renames the main function to css_main.
+  // (3) Disables the gl_MaxDrawBuffers built-in.
+  //
+  // In CSS fragment shaders, ANGLE:
+  // (1) Disables the gl_FragColor built-in.
+  // (2) Disables the gl_FragData built-in.
+  // (3) Enables the css_MixColor built-in.
+  // (4) Enables the css_ColorMatrix built-in.
+  //
+  // After passing a CSS shader through ANGLE, the browser is expected to append
+  // a new main function to it.
+  // This new main function will call the css_main function.
+  // It may also perform additional operations like varying assignment, texture
+  // access, and gl_FragColor assignment in order to implement the CSS Shaders
+  // blend modes.
+  //
+  SH_CSS_SHADERS_SPEC = 0x8B42
+} ShShaderSpec;
+
+typedef enum {
+  SH_ESSL_OUTPUT   = 0x8B45,
+  SH_GLSL_OUTPUT   = 0x8B46,
+  SH_HLSL_OUTPUT   = 0x8B47,
+  SH_HLSL9_OUTPUT  = 0x8B47,
+  SH_HLSL11_OUTPUT = 0x8B48
+} ShShaderOutput;
+
+// Compile options.
+typedef enum {
+  SH_VALIDATE                = 0,
+  SH_VALIDATE_LOOP_INDEXING  = 0x0001,
+  SH_INTERMEDIATE_TREE       = 0x0002,
+  SH_OBJECT_CODE             = 0x0004,
+  SH_VARIABLES               = 0x0008,
+  SH_LINE_DIRECTIVES         = 0x0010,
+  SH_SOURCE_PATH             = 0x0020,
+  SH_UNROLL_FOR_LOOP_WITH_INTEGER_INDEX = 0x0040,
+  // If a sampler array index happens to be a loop index,
+  //   1) if its type is integer, unroll the loop.
+  //   2) if its type is float, fail the shader compile.
+  // This is to work around a mac driver bug.
+  SH_UNROLL_FOR_LOOP_WITH_SAMPLER_ARRAY_INDEX = 0x0080,
+
+  // This is needed only as a workaround for certain OpenGL driver bugs.
+  SH_EMULATE_BUILT_IN_FUNCTIONS = 0x0100,
+
+  // This is an experimental flag to enforce restrictions that aim to prevent 
+  // timing attacks.
+  // It generates compilation errors for shaders that could expose sensitive
+  // texture information via the timing channel.
+  // To use this flag, you must compile the shader under the WebGL spec
+  // (using the SH_WEBGL_SPEC flag).
+  SH_TIMING_RESTRICTIONS = 0x0200,
+
+  // This flag prints the dependency graph that is used to enforce timing
+  // restrictions on fragment shaders.
+  // This flag only has an effect if all of the following are true:
+  // - The shader spec is SH_WEBGL_SPEC.
+  // - The compile options contain the SH_TIMING_RESTRICTIONS flag.
+  // - The shader type is GL_FRAGMENT_SHADER.
+  SH_DEPENDENCY_GRAPH = 0x0400,
+
+  // Enforce the GLSL 1.017 Appendix A section 7 packing restrictions.
+  // This flag only enforces (and can only enforce) the packing
+  // restrictions for uniform variables in both vertex and fragment
+  // shaders. ShCheckVariablesWithinPackingLimits() lets embedders
+  // enforce the packing restrictions for varying variables during
+  // program link time.
+  SH_ENFORCE_PACKING_RESTRICTIONS = 0x0800,
+
+  // This flag ensures all indirect (expression-based) array indexing
+  // is clamped to the bounds of the array. This ensures, for example,
+  // that you cannot read off the end of a uniform, whether an array
+  // vec234, or mat234 type. The ShArrayIndexClampingStrategy enum,
+  // specified in the ShBuiltInResources when constructing the
+  // compiler, selects the strategy for the clamping implementation.
+  SH_CLAMP_INDIRECT_ARRAY_BOUNDS = 0x1000,
+
+  // This flag limits the complexity of an expression.
+  SH_LIMIT_EXPRESSION_COMPLEXITY = 0x2000,
+
+  // This flag limits the depth of the call stack.
+  SH_LIMIT_CALL_STACK_DEPTH = 0x4000,
+
+  // This flag initializes gl_Position to vec4(0,0,0,0) at the
+  // beginning of the vertex shader's main(), and has no effect in the
+  // fragment shader. It is intended as a workaround for drivers which
+  // incorrectly fail to link programs if gl_Position is not written.
+  SH_INIT_GL_POSITION = 0x8000,
+
+  // This flag replaces
+  //   "a && b" with "a ? b : false",
+  //   "a || b" with "a ? true : b".
+  // This is to work around a MacOSX driver bug that |b| is executed
+  // independent of |a|'s value.
+  SH_UNFOLD_SHORT_CIRCUIT = 0x10000,
+
+  // This flag initializes varyings without static use in vertex shader
+  // at the beginning of main(), and has no effects in the fragment shader.
+  // It is intended as a workaround for drivers which incorrectly optimize
+  // out such varyings and cause a link failure.
+  SH_INIT_VARYINGS_WITHOUT_STATIC_USE = 0x20000,
+
+  // This flag scalarizes vec/ivec/bvec/mat constructor args.
+  // It is intended as a workaround for Linux/Mac driver bugs.
+  SH_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS = 0x40000,
+
+  // This flag overwrites a struct name with a unique prefix.
+  // It is intended as a workaround for drivers that do not handle
+  // struct scopes correctly, including all Mac drivers and Linux AMD.
+  SH_REGENERATE_STRUCT_NAMES = 0x80000,
+} ShCompileOptions;
+
+// Defines alternate strategies for implementing array index clamping.
+typedef enum {
+  // Use the clamp intrinsic for array index clamping.
+  SH_CLAMP_WITH_CLAMP_INTRINSIC = 1,
+
+  // Use a user-defined function for array index clamping.
+  SH_CLAMP_WITH_USER_DEFINED_INT_CLAMP_FUNCTION
+} ShArrayIndexClampingStrategy;
+
+//
+// Driver must call this first, once, before doing any other
+// compiler operations.
+// If the function succeeds, the return value is true, else false.
+//
+COMPILER_EXPORT bool ShInitialize();
+//
+// Driver should call this at shutdown.
+// If the function succeeds, the return value is true, else false.
+//
+COMPILER_EXPORT bool ShFinalize();
+
+// The 64 bits hash function. The first parameter is the input string; the
+// second parameter is the string length.
+typedef khronos_uint64_t (*ShHashFunction64)(const char*, size_t);
+
+//
+// Implementation dependent built-in resources (constants and extensions).
+// The names for these resources has been obtained by stripping gl_/GL_.
+//
+typedef struct
+{
+    // Constants.
+    int MaxVertexAttribs;
+    int MaxVertexUniformVectors;
+    int MaxVaryingVectors;
+    int MaxVertexTextureImageUnits;
+    int MaxCombinedTextureImageUnits;
+    int MaxTextureImageUnits;
+    int MaxFragmentUniformVectors;
+    int MaxDrawBuffers;
+
+    // Extensions.
+    // Set to 1 to enable the extension, else 0.
+    int OES_standard_derivatives;
+    int OES_EGL_image_external;
+    int ARB_texture_rectangle;
+    int EXT_draw_buffers;
+    int EXT_frag_depth;
+    int EXT_shader_texture_lod;
+
+    // Set to 1 to enable replacing GL_EXT_draw_buffers #extension directives
+    // with GL_NV_draw_buffers in ESSL output. This flag can be used to emulate
+    // EXT_draw_buffers by using it in combination with GLES3.0 glDrawBuffers
+    // function. This applies to Tegra K1 devices.
+    int NV_draw_buffers;
+
+    // Set to 1 if highp precision is supported in the fragment language.
+    // Default is 0.
+    int FragmentPrecisionHigh;
+
+    // GLSL ES 3.0 constants.
+    int MaxVertexOutputVectors;
+    int MaxFragmentInputVectors;
+    int MinProgramTexelOffset;
+    int MaxProgramTexelOffset;
+
+    // Name Hashing.
+    // Set a 64 bit hash function to enable user-defined name hashing.
+    // Default is NULL.
+    ShHashFunction64 HashFunction;
+
+    // Selects a strategy to use when implementing array index clamping.
+    // Default is SH_CLAMP_WITH_CLAMP_INTRINSIC.
+    ShArrayIndexClampingStrategy ArrayIndexClampingStrategy;
+
+    // The maximum complexity an expression can be.
+    int MaxExpressionComplexity;
+
+    // The maximum depth a call stack can be.
+    int MaxCallStackDepth;
+} ShBuiltInResources;
+
+//
+// Initialize built-in resources with minimum expected values.
+// Parameters:
+// resources: The object to initialize. Will be comparable with memcmp.
+//
+COMPILER_EXPORT void ShInitBuiltInResources(ShBuiltInResources *resources);
+
+//
+// ShHandle held by but opaque to the driver.  It is allocated,
+// managed, and de-allocated by the compiler. Its contents
+// are defined by and used by the compiler.
+//
+// If handle creation fails, 0 will be returned.
+//
+typedef void *ShHandle;
+
+//
+// Returns the a concatenated list of the items in ShBuiltInResources as a
+// null-terminated string.
+// This function must be updated whenever ShBuiltInResources is changed.
+// Parameters:
+// handle: Specifies the handle of the compiler to be used.
+COMPILER_EXPORT const std::string &ShGetBuiltInResourcesString(const ShHandle handle);
+
+//
+// Driver calls these to create and destroy compiler objects.
+//
+// Returns the handle of constructed compiler, null if the requested compiler is
+// not supported.
+// Parameters:
+// type: Specifies the type of shader - GL_FRAGMENT_SHADER or GL_VERTEX_SHADER.
+// spec: Specifies the language spec the compiler must conform to -
+//       SH_GLES2_SPEC or SH_WEBGL_SPEC.
+// output: Specifies the output code type - SH_ESSL_OUTPUT, SH_GLSL_OUTPUT,
+//         SH_HLSL9_OUTPUT or SH_HLSL11_OUTPUT.
+// resources: Specifies the built-in resources.
+COMPILER_EXPORT ShHandle ShConstructCompiler(
+    sh::GLenum type,
+    ShShaderSpec spec,
+    ShShaderOutput output,
+    const ShBuiltInResources *resources);
+COMPILER_EXPORT void ShDestruct(ShHandle handle);
+
+//
+// Compiles the given shader source.
+// If the function succeeds, the return value is true, else false.
+// Parameters:
+// handle: Specifies the handle of compiler to be used.
+// shaderStrings: Specifies an array of pointers to null-terminated strings
+//                containing the shader source code.
+// numStrings: Specifies the number of elements in shaderStrings array.
+// compileOptions: A mask containing the following parameters:
+// SH_VALIDATE: Validates shader to ensure that it conforms to the spec
+//              specified during compiler construction.
+// SH_VALIDATE_LOOP_INDEXING: Validates loop and indexing in the shader to
+//                            ensure that they do not exceed the minimum
+//                            functionality mandated in GLSL 1.0 spec,
+//                            Appendix A, Section 4 and 5.
+//                            There is no need to specify this parameter when
+//                            compiling for WebGL - it is implied.
+// SH_INTERMEDIATE_TREE: Writes intermediate tree to info log.
+//                       Can be queried by calling ShGetInfoLog().
+// SH_OBJECT_CODE: Translates intermediate tree to glsl or hlsl shader.
+//                 Can be queried by calling ShGetObjectCode().
+// SH_VARIABLES: Extracts attributes, uniforms, and varyings.
+//               Can be queried by calling ShGetVariableInfo().
+//
+COMPILER_EXPORT bool ShCompile(
+    const ShHandle handle,
+    const char * const shaderStrings[],
+    size_t numStrings,
+    int compileOptions);
+
+// Return the version of the shader language.
+COMPILER_EXPORT int ShGetShaderVersion(const ShHandle handle);
+
+// Return the currently set language output type.
+COMPILER_EXPORT ShShaderOutput ShGetShaderOutputType(
+    const ShHandle handle);
+
+// Returns null-terminated information log for a compiled shader.
+// Parameters:
+// handle: Specifies the compiler
+COMPILER_EXPORT const std::string &ShGetInfoLog(const ShHandle handle);
+
+// Returns null-terminated object code for a compiled shader.
+// Parameters:
+// handle: Specifies the compiler
+COMPILER_EXPORT const std::string &ShGetObjectCode(const ShHandle handle);
+
+// Returns a (original_name, hash) map containing all the user defined
+// names in the shader, including variable names, function names, struct
+// names, and struct field names.
+// Parameters:
+// handle: Specifies the compiler
+COMPILER_EXPORT const std::map<std::string, std::string> *ShGetNameHashingMap(
+    const ShHandle handle);
+
+// Shader variable inspection.
+// Returns a pointer to a list of variables of the designated type.
+// (See ShaderVars.h for type definitions, included above)
+// Returns NULL on failure.
+// Parameters:
+// handle: Specifies the compiler
+COMPILER_EXPORT const std::vector<sh::Uniform> *ShGetUniforms(const ShHandle handle);
+COMPILER_EXPORT const std::vector<sh::Varying> *ShGetVaryings(const ShHandle handle);
+COMPILER_EXPORT const std::vector<sh::Attribute> *ShGetAttributes(const ShHandle handle);
+COMPILER_EXPORT const std::vector<sh::Attribute> *ShGetOutputVariables(const ShHandle handle);
+COMPILER_EXPORT const std::vector<sh::InterfaceBlock> *ShGetInterfaceBlocks(const ShHandle handle);
+
+typedef struct
+{
+    sh::GLenum type;
+    int size;
+} ShVariableInfo;
+
+// Returns true if the passed in variables pack in maxVectors following
+// the packing rules from the GLSL 1.017 spec, Appendix A, section 7.
+// Returns false otherwise. Also look at the SH_ENFORCE_PACKING_RESTRICTIONS
+// flag above.
+// Parameters:
+// maxVectors: the available rows of registers.
+// varInfoArray: an array of variable info (types and sizes).
+// varInfoArraySize: the size of the variable array.
+COMPILER_EXPORT bool ShCheckVariablesWithinPackingLimits(
+    int maxVectors,
+    ShVariableInfo *varInfoArray,
+    size_t varInfoArraySize);
+
+// Gives the compiler-assigned register for an interface block.
+// The method writes the value to the output variable "indexOut".
+// Returns true if it found a valid interface block, false otherwise.
+// Parameters:
+// handle: Specifies the compiler
+// interfaceBlockName: Specifies the interface block
+// indexOut: output variable that stores the assigned register
+COMPILER_EXPORT bool ShGetInterfaceBlockRegister(const ShHandle handle,
+                                                 const std::string &interfaceBlockName,
+                                                 unsigned int *indexOut);
+
+// Gives the compiler-assigned register for uniforms in the default
+// interface block.
+// The method writes the value to the output variable "indexOut".
+// Returns true if it found a valid default uniform, false otherwise.
+// Parameters:
+// handle: Specifies the compiler
+// interfaceBlockName: Specifies the uniform
+// indexOut: output variable that stores the assigned register
+COMPILER_EXPORT bool ShGetUniformRegister(const ShHandle handle,
+                                          const std::string &uniformName,
+                                          unsigned int *indexOut);
+
+#endif // _COMPILER_INTERFACE_INCLUDED_