ANGLE: Upgrade to 2.1~abce76206141

Upgrade to address issues discovered since the last upgrade.

Patch notes:
0000-General-fixes-for-ANGLE-2.1.patch
  added removal of the unused third-party tracing functions

0003-Fix-compilation-with-MinGW-gcc-64-bit.patch
  removed as it is no longer needed

0011-ANGLE-Fix-compilation-error-on-MinGW-caused-by-trace.patch
  removed as it is no longer needed

0016-ANGLE-Fix-compilation-with-MinGW-D3D11.patch
  now supports MinGW 64-bit

[ChangeLog][Third-party libraries] ANGLE updated to 2.1~f8602ad91e4f

Task-number: QTBUG-40649
Task-number: QTBUG-40658
Task-number: QTBUG-41031
Task-number: QTBUG-41081
Task-number: QTBUG-41308
Task-number: QTBUG-41563
Change-Id: I9f776c8d5cb94ddb12d608a8d5630bfc54437bea
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

2 files changed, 147 insertions, 19 deletions

diff --git a/src/3rdparty/angle/include/GLSLANG/ShaderLang.h b/src/3rdparty/angle/include/GLSLANG/ShaderLang.h
index 4b69fb1fb0..b7989f5f7e 100644
--- a/src/3rdparty/angle/include/GLSLANG/ShaderLang.h
+++ b/src/3rdparty/angle/include/GLSLANG/ShaderLang.h
@@ -23,9 +23,10 @@
 #define COMPILER_EXPORT
 #endif
 
-#include "KHR/khrplatform.h"
 #include <stddef.h>
 
+#include "KHR/khrplatform.h"
+
 //
 // This is the platform independent interface between an OGL driver
 // and the shading language compiler.
@@ -37,13 +38,17 @@ namespace sh
 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"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 // Version number for shader translation API.
 // It is incremented every time the API changes.
-#define ANGLE_SH_VERSION 128
+#define ANGLE_SH_VERSION 130
 
 typedef enum {
   SH_GLES2_SPEC = 0x8B40,
@@ -100,14 +105,9 @@ typedef enum {
   SH_NAME_MAX_LENGTH                = 0x6001,
   SH_HASHED_NAME_MAX_LENGTH         = 0x6002,
   SH_HASHED_NAMES_COUNT             = 0x6003,
-  SH_ACTIVE_UNIFORMS_ARRAY          = 0x6004,
-  SH_SHADER_VERSION                 = 0x6005,
-  SH_ACTIVE_INTERFACE_BLOCKS_ARRAY  = 0x6006,
-  SH_ACTIVE_OUTPUT_VARIABLES_ARRAY  = 0x6007,
-  SH_ACTIVE_ATTRIBUTES_ARRAY        = 0x6008,
-  SH_ACTIVE_VARYINGS_ARRAY          = 0x6009,
-  SH_RESOURCES_STRING_LENGTH        = 0x600A,
-  SH_OUTPUT_TYPE                    = 0x600B
+  SH_SHADER_VERSION                 = 0x6004,
+  SH_RESOURCES_STRING_LENGTH        = 0x6005,
+  SH_OUTPUT_TYPE                    = 0x6006
 } ShShaderInfo;
 
 // Compile options.
@@ -189,6 +189,11 @@ typedef enum {
   // 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.
@@ -453,17 +458,17 @@ COMPILER_EXPORT void ShGetNameHashingEntry(const ShHandle handle,
                                            char* name,
                                            char* hashedName);
 
-// Returns a parameter from a compiled shader.
+// 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
-// pname: Specifies the parameter to query.
-// The following parameters are defined:
-// SH_ACTIVE_UNIFORMS_ARRAY: an STL vector of active uniforms. Valid only for
-//                           HLSL output.
-// params: Requested parameter
-COMPILER_EXPORT void ShGetInfoPointer(const ShHandle handle,
-                                      ShShaderInfo pname,
-                                      void** params);
+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
 {
diff --git a/src/3rdparty/angle/include/GLSLANG/ShaderVars.h b/src/3rdparty/angle/include/GLSLANG/ShaderVars.h
new file mode 100644
index 0000000000..9c38647dda
--- /dev/null
+++ b/src/3rdparty/angle/include/GLSLANG/ShaderVars.h
@@ -0,0 +1,123 @@
+//
+// Copyright (c) 2013-2014 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.
+//
+// ShaderVars.h:
+//  Types to represent GL variables (varyings, uniforms, etc)
+//
+
+#ifndef _COMPILER_INTERFACE_VARIABLES_
+#define _COMPILER_INTERFACE_VARIABLES_
+
+#include <string>
+#include <vector>
+#include <algorithm>
+
+// Assume ShaderLang.h is included before ShaderVars.h, for sh::GLenum
+// Note: make sure to increment ANGLE_SH_VERSION when changing ShaderVars.h
+
+namespace sh
+{
+
+// Varying interpolation qualifier, see section 4.3.9 of the ESSL 3.00.4 spec
+enum InterpolationType
+{
+    INTERPOLATION_SMOOTH,
+    INTERPOLATION_CENTROID,
+    INTERPOLATION_FLAT
+};
+
+// Uniform block layout qualifier, see section 4.3.8.3 of the ESSL 3.00.4 spec
+enum BlockLayoutType
+{
+    BLOCKLAYOUT_STANDARD,
+    BLOCKLAYOUT_PACKED,
+    BLOCKLAYOUT_SHARED
+};
+
+// Base class for all variables defined in shaders, including Varyings, Uniforms, etc
+// Note: we must override the copy constructor and assignment operator so we can
+// work around excessive GCC binary bloating:
+// See https://code.google.com/p/angleproject/issues/detail?id=697
+struct COMPILER_EXPORT ShaderVariable
+{
+    ShaderVariable();
+    ShaderVariable(GLenum typeIn, unsigned int arraySizeIn);
+    ~ShaderVariable();
+    ShaderVariable(const ShaderVariable &other);
+    ShaderVariable &operator=(const ShaderVariable &other);
+
+    bool isArray() const { return arraySize > 0; }
+    unsigned int elementCount() const { return std::max(1u, arraySize); }
+    bool isStruct() const { return !fields.empty(); }
+
+    GLenum type;
+    GLenum precision;
+    std::string name;
+    std::string mappedName;
+    unsigned int arraySize;
+    bool staticUse;
+    std::vector<ShaderVariable> fields;
+    std::string structName;
+};
+
+struct COMPILER_EXPORT Uniform : public ShaderVariable
+{
+    Uniform();
+    ~Uniform();
+    Uniform(const Uniform &other);
+    Uniform &operator=(const Uniform &other);
+};
+
+struct COMPILER_EXPORT Attribute : public ShaderVariable
+{
+    Attribute();
+    ~Attribute();
+    Attribute(const Attribute &other);
+    Attribute &operator=(const Attribute &other);
+
+    int location;
+};
+
+struct COMPILER_EXPORT InterfaceBlockField : public ShaderVariable
+{
+    InterfaceBlockField();
+    ~InterfaceBlockField();
+    InterfaceBlockField(const InterfaceBlockField &other);
+    InterfaceBlockField &operator=(const InterfaceBlockField &other);
+
+    bool isRowMajorLayout;
+};
+
+struct COMPILER_EXPORT Varying : public ShaderVariable
+{
+    Varying();
+    ~Varying();
+    Varying(const Varying &other);
+    Varying &operator=(const Varying &other);
+
+    InterpolationType interpolation;
+    bool isInvariant;
+};
+
+struct COMPILER_EXPORT InterfaceBlock
+{
+    InterfaceBlock();
+    ~InterfaceBlock();
+    InterfaceBlock(const InterfaceBlock &other);
+    InterfaceBlock &operator=(const InterfaceBlock &other);
+
+    std::string name;
+    std::string mappedName;
+    std::string instanceName;
+    unsigned int arraySize;
+    BlockLayoutType layout;
+    bool isRowMajorLayout;
+    bool staticUse;
+    std::vector<InterfaceBlockField> fields;
+};
+
+}
+
+#endif // _COMPILER_INTERFACE_VARIABLES_