X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fcompatibility.cpp;h=692db972b56491eca5de797ae0f79bec61995754;hb=05597fbb3671dfed4776bc5223958c85e780345e;hp=4e43ae9dcdd3b4241afe1d7c5c945db368834a49;hpb=7a16308e72aef363727b21348779673edf8e5c07;p=libs%2Fgl.git

diff --git a/source/glsl/compatibility.cpp b/source/glsl/compatibility.cpp
index 4e43ae9d..692db972 100644
--- a/source/glsl/compatibility.cpp
+++ b/source/glsl/compatibility.cpp
@@ -14,9 +14,16 @@ namespace GL {
 namespace SL {
 
 DefaultPrecisionGenerator::DefaultPrecisionGenerator():
+	stage_type(Stage::SHARED),
 	toplevel(true)
 { }
 
+void DefaultPrecisionGenerator::apply(Stage &stage)
+{
+	stage_type = stage.type;
+	visit(stage.content);
+}
+
 void DefaultPrecisionGenerator::visit(Block &block)
 {
 	if(toplevel)
@@ -25,7 +32,7 @@ void DefaultPrecisionGenerator::visit(Block &block)
 		BlockModifier::visit(block);
 	}
 	else
-		StageVisitor::visit(block);
+		TraversingVisitor::visit(block);
 }
 
 void DefaultPrecisionGenerator::visit(Precision &prec)
@@ -49,7 +56,7 @@ void DefaultPrecisionGenerator::visit(VariableDeclaration &var)
 		Precision *prec = new Precision;
 		if(!type.compare(0, 7, "sampler"))
 			prec->precision = "lowp";
-		else if(stage->type==Stage::FRAGMENT)
+		else if(stage_type==Stage::FRAGMENT)
 			prec->precision = "mediump";
 		else
 			prec->precision = "highp";
@@ -78,11 +85,11 @@ LegacyConverter::LegacyConverter():
 	frag_out(0)
 { }
 
-LegacyConverter::LegacyConverter(const Version &v):
-	target_api(get_gl_api()),
-	target_version(v),
-	frag_out(0)
-{ }
+void LegacyConverter::apply(Stage &s)
+{
+	stage = &s;
+	visit(s.content);
+}
 
 bool LegacyConverter::check_version(const Version &feature_version) const
 {
@@ -145,47 +152,54 @@ bool LegacyConverter::supports_unified_sampling_functions() const
 
 void LegacyConverter::visit(FunctionCall &call)
 {
-	if(call.name=="texture" && !call.declaration && !supports_unified_sampling_functions())
+	if(call.name=="texture")
 	{
+		string sampler_type;
+		type = string();
 		NodeArray<Expression>::iterator i = call.arguments.begin();
 		if(i!=call.arguments.end())
 		{
 			(*i)->visit(*this);
-			if(type=="sampler1D")
+			sampler_type = type;
+
+			for(; i!=call.arguments.end(); ++i)
+				(*i)->visit(*this);
+		}
+
+		if(!supports_unified_sampling_functions())
+		{
+			if(sampler_type=="sampler1D")
 				call.name = "texture1D";
-			else if(type=="sampler2D")
+			else if(sampler_type=="sampler2D")
 				call.name = "texture2D";
-			else if(type=="sampler3D")
+			else if(sampler_type=="sampler3D")
 				call.name = "texture3D";
-			else if(type=="samplerCube")
+			else if(sampler_type=="samplerCube")
 				call.name = "textureCube";
-			else if(type=="sampler1DShadow")
+			else if(sampler_type=="sampler1DShadow")
 				call.name = "shadow1D";
-			else if(type=="sampler2DShadow")
+			else if(sampler_type=="sampler2DShadow")
 				call.name = "shadow2D";
-			else if(type=="sampler1DArray")
+			else if(sampler_type=="sampler1DArray")
 			{
 				check_extension(EXT_texture_array);
 				call.name = "texture1DArray";
 			}
-			else if(type=="sampler2DArray")
+			else if(sampler_type=="sampler2DArray")
 			{
 				check_extension(EXT_texture_array);
 				call.name = "texture2DArray";
 			}
-			else if(type=="sampler1DArrayShadow")
+			else if(sampler_type=="sampler1DArrayShadow")
 			{
 				check_extension(EXT_texture_array);
 				call.name = "shadow1DArray";
 			}
-			else if(type=="sampler2DArrayShadow")
+			else if(sampler_type=="sampler2DArrayShadow")
 			{
 				check_extension(EXT_texture_array);
 				call.name = "shadow2DArray";
 			}
-
-			for(; i!=call.arguments.end(); ++i)
-				(*i)->visit(*this);
 		}
 	}
 	else