X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogram.cpp;h=37d72e94191b441a1b8be1fcbbd5317db58e794f;hb=d971f8d4848c0b3b453c626a2dafe19445e3e5a8;hp=c3625f4159589916f0e83e7c9f88135266e91b49;hpb=edc2ea855300df08d9f68f2e67316385b003dba6;p=libs%2Fgl.git

diff --git a/source/program.cpp b/source/program.cpp
index c3625f41..37d72e94 100644
--- a/source/program.cpp
+++ b/source/program.cpp
@@ -129,7 +129,6 @@ void Program::link()
 			(*i)->compile();
 
 	uniforms.clear();
-	legacy_vars = false;
 
 	glLinkProgram(id);
 	linked = get_program_i(id, GL_LINK_STATUS);
@@ -144,6 +143,26 @@ void Program::link()
 
 	query_uniforms();
 	query_attributes();
+
+	for(UniformMap::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
+		require_type(i->second.type);
+	for(AttributeMap::const_iterator i=attributes.begin(); i!=attributes.end(); ++i)
+		require_type(i->second.type);
+}
+
+void Program::require_type(GLenum t)
+{
+	switch(t)
+	{
+	case GL_FLOAT_MAT2x3:
+	case GL_FLOAT_MAT2x4:
+	case GL_FLOAT_MAT3x2:
+	case GL_FLOAT_MAT3x4:
+	case GL_FLOAT_MAT4x2:
+	case GL_FLOAT_MAT4x3:
+		{ static Require _req(NV_non_square_matrices); }
+		break;
+	}
 }
 
 void Program::query_uniforms()
@@ -173,8 +192,6 @@ void Program::query_uniforms()
 			info.type = type;
 			uniforms_by_index[i] = &info;
 		}
-		else
-			legacy_vars = true;
 	}
 
 	if(ARB_uniform_buffer_object)
@@ -283,8 +300,17 @@ void Program::query_attributes()
 		int size;
 		GLenum type;
 		glGetActiveAttrib(id, i, sizeof(name), &len, &size, &type, name);
-		if(len && !strncmp(name, "gl_", 3))
-			legacy_vars = true;
+		if(len && strncmp(name, "gl_", 3))
+		{
+			if(len>3 && !strcmp(name+len-3, "[0]"))
+				name[len-3] = 0;
+
+			AttributeInfo &info = attributes[name];
+			info.name = name;
+			info.location = glGetAttribLocation(id, name);
+			info.size = size;
+			info.type = type;
+		}
 	}
 }
 
@@ -333,6 +359,20 @@ int Program::get_uniform_location(const string &n) const
 	return i->second.block->bind_point<0 ? i->second.location : -1;
 }
 
+const Program::AttributeInfo &Program::get_attribute_info(const string &name) const
+{
+	return get_item(attributes, name);
+}
+
+int Program::get_attribute_location(const string &n) const
+{
+	if(n[n.size()-1]==']')
+		throw invalid_argument("Program::get_attribute_location");
+
+	AttributeMap::const_iterator i = attributes.find(n);
+	return i!=attributes.end() ? i->second.location : -1;
+}
+
 void Program::bind() const
 {
 	if(!linked)