gfx/angle/src/compiler/VersionGLSL.h

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 //
michael@0 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
michael@0 3 // Use of this source code is governed by a BSD-style license that can be
michael@0 4 // found in the LICENSE file.
michael@0 5 //
michael@0 6
michael@0 7 #ifndef COMPILER_VERSIONGLSL_H_
michael@0 8 #define COMPILER_VERSIONGLSL_H_
michael@0 9
michael@0 10 #include "GLSLANG/ShaderLang.h"
michael@0 11 #include "compiler/intermediate.h"
michael@0 12
michael@0 13 // Traverses the intermediate tree to return the minimum GLSL version
michael@0 14 // required to legally access all built-in features used in the shader.
michael@0 15 // GLSL 1.1 which is mandated by OpenGL 2.0 provides:
michael@0 16 // - #version and #extension to declare version and extensions.
michael@0 17 // - built-in functions refract, exp, and log.
michael@0 18 // - updated step() to compare x < edge instead of x <= edge.
michael@0 19 // GLSL 1.2 which is mandated by OpenGL 2.1 provides:
michael@0 20 // - many changes to reduce differences when compared to the ES specification.
michael@0 21 // - invariant keyword and its support.
michael@0 22 // - c++ style name hiding rules.
michael@0 23 // - built-in variable gl_PointCoord for fragment shaders.
michael@0 24 // - matrix constructors taking matrix as argument.
michael@0 25 // - array as "out" function parameters
michael@0 26 //
michael@0 27 class TVersionGLSL : public TIntermTraverser {
michael@0 28 public:
michael@0 29 TVersionGLSL(ShShaderType type);
michael@0 30
michael@0 31 // Returns 120 if the following is used the shader:
michael@0 32 // - "invariant",
michael@0 33 // - "gl_PointCoord",
michael@0 34 // - matrix/matrix constructors
michael@0 35 // - array "out" parameters
michael@0 36 // Else 110 is returned.
michael@0 37 int getVersion() { return mVersion; }
michael@0 38
michael@0 39 virtual void visitSymbol(TIntermSymbol*);
michael@0 40 virtual void visitConstantUnion(TIntermConstantUnion*);
michael@0 41 virtual bool visitBinary(Visit, TIntermBinary*);
michael@0 42 virtual bool visitUnary(Visit, TIntermUnary*);
michael@0 43 virtual bool visitSelection(Visit, TIntermSelection*);
michael@0 44 virtual bool visitAggregate(Visit, TIntermAggregate*);
michael@0 45 virtual bool visitLoop(Visit, TIntermLoop*);
michael@0 46 virtual bool visitBranch(Visit, TIntermBranch*);
michael@0 47
michael@0 48 protected:
michael@0 49 void updateVersion(int version);
michael@0 50
michael@0 51 private:
michael@0 52 ShShaderType mShaderType;
michael@0 53 int mVersion;
michael@0 54 };
michael@0 55
michael@0 56 #endif // COMPILER_VERSIONGLSL_H_

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