X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fcompatibility.h;h=c30dce8c2f3c7728188a6dcc1e7c671c08a405d5;hb=8173340a7737e32cb25b21b67049102bd1526beb;hp=f91f188274c99c3d6cb06e05898fb7ae10655b33;hpb=b482f6d59aca2b4f1d9e2cbcc0f596d62c057509;p=libs%2Fgl.git diff --git a/source/glsl/compatibility.h b/source/glsl/compatibility.h index f91f1882..c30dce8c 100644 --- a/source/glsl/compatibility.h +++ b/source/glsl/compatibility.h @@ -8,6 +8,8 @@ namespace Msp { namespace GL { namespace SL { +/** Generates default precision declarations if they are missing, to satisfy +GLSL ES requirements. */ class DefaultPrecisionGenerator: private TraversingVisitor { private: @@ -24,9 +26,10 @@ private: virtual void visit(Block &); virtual void visit(Precision &); virtual void visit(VariableDeclaration &); - using TraversingVisitor::visit; }; +/** Removes precision qualifiers from variable declarations, as well as +default precision declarations. */ class PrecisionRemover: private TraversingVisitor { private: @@ -38,15 +41,16 @@ public: private: virtual void visit(Precision &); virtual void visit(VariableDeclaration &); - using TraversingVisitor::visit; }; +/** Converts structures of the syntax tree to match a particular set of +features. */ class LegacyConverter: private TraversingVisitor { private: Stage *stage; Features features; - std::string type; + std::string r_type; VariableDeclaration *frag_out; NodeList::iterator uniform_insert_point; std::set nodes_to_remove; @@ -72,7 +76,6 @@ private: virtual void visit(VariableDeclaration &); bool supports_interface_blocks(const std::string &) const; virtual void visit(InterfaceBlock &); - using TraversingVisitor::visit; }; } // namespace SL