The Tor Browser: gfx/angle/src/compiler/TranslatorGLSL.cpp@141e0f1194b1

     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 //

     7 #include "compiler/TranslatorGLSL.h"

     9 #include "compiler/OutputGLSL.h"

    10 #include "compiler/VersionGLSL.h"

    12 static void writeVersion(ShShaderType type, TIntermNode* root,

    13                          TInfoSinkBase& sink) {

    14     TVersionGLSL versionGLSL(type);

    15     root->traverse(&versionGLSL);

    16     int version = versionGLSL.getVersion();

    17     // We need to write version directive only if it is greater than 110.

    18     // If there is no version directive in the shader, 110 is implied.

    19     if (version > 110) {

    20         sink << "#version " << version << "\n";

    21     }

    22 }

    24 TranslatorGLSL::TranslatorGLSL(ShShaderType type, ShShaderSpec spec)

    25     : TCompiler(type, spec) {

    26 }

    28 void TranslatorGLSL::translate(TIntermNode* root) {

    29     TInfoSinkBase& sink = getInfoSink().obj;

    31     // Write GLSL version.

    32     writeVersion(getShaderType(), root, sink);

    34     // Write emulated built-in functions if needed.

    35     getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(

    36         sink, false);

    38     // Write array bounds clamping emulation if needed.

    39     getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);

    41     // Write translated shader.

    42     TOutputGLSL outputGLSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable());

    43     root->traverse(&outputGLSL);

    44 }

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