gfx/angle/src/compiler/TranslatorGLSL.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/angle/src/compiler/TranslatorGLSL.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,44 @@
     1.4 +//
     1.5 +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
     1.6 +// Use of this source code is governed by a BSD-style license that can be
     1.7 +// found in the LICENSE file.
     1.8 +//
     1.9 +
    1.10 +#include "compiler/TranslatorGLSL.h"
    1.11 +
    1.12 +#include "compiler/OutputGLSL.h"
    1.13 +#include "compiler/VersionGLSL.h"
    1.14 +
    1.15 +static void writeVersion(ShShaderType type, TIntermNode* root,
    1.16 +                         TInfoSinkBase& sink) {
    1.17 +    TVersionGLSL versionGLSL(type);
    1.18 +    root->traverse(&versionGLSL);
    1.19 +    int version = versionGLSL.getVersion();
    1.20 +    // We need to write version directive only if it is greater than 110.
    1.21 +    // If there is no version directive in the shader, 110 is implied.
    1.22 +    if (version > 110) {
    1.23 +        sink << "#version " << version << "\n";
    1.24 +    }
    1.25 +}
    1.26 +
    1.27 +TranslatorGLSL::TranslatorGLSL(ShShaderType type, ShShaderSpec spec)
    1.28 +    : TCompiler(type, spec) {
    1.29 +}
    1.30 +
    1.31 +void TranslatorGLSL::translate(TIntermNode* root) {
    1.32 +    TInfoSinkBase& sink = getInfoSink().obj;
    1.33 +
    1.34 +    // Write GLSL version.
    1.35 +    writeVersion(getShaderType(), root, sink);
    1.36 +
    1.37 +    // Write emulated built-in functions if needed.
    1.38 +    getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(
    1.39 +        sink, false);
    1.40 +
    1.41 +    // Write array bounds clamping emulation if needed.
    1.42 +    getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
    1.43 +
    1.44 +    // Write translated shader.
    1.45 +    TOutputGLSL outputGLSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable());
    1.46 +    root->traverse(&outputGLSL);
    1.47 +}

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