LCOV - code coverage report
Current view: directory - gfx/angle/src/compiler - VersionGLSL.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

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

Generated by: LCOV version 1.7