X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbuilders%2Fvertexarraybuilder.cpp;fp=source%2Fbuilders%2Fvertexarraybuilder.cpp;h=55b2a6a821b80c001a3ff282ee339a3c69a02eaf;hp=0000000000000000000000000000000000000000;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e

diff --git a/source/builders/vertexarraybuilder.cpp b/source/builders/vertexarraybuilder.cpp
new file mode 100644
index 00000000..55b2a6a8
--- /dev/null
+++ b/source/builders/vertexarraybuilder.cpp
@@ -0,0 +1,60 @@
+#include "vertexarray.h"
+#include "vertexarraybuilder.h"
+
+namespace Msp {
+namespace GL {
+
+VertexArrayBuilder::VertexArrayBuilder(VertexArray &a):
+	array(a)
+{ }
+
+void VertexArrayBuilder::vertex_(const Vector4 &ver)
+{
+	float *ptr = array.append();
+	for(const unsigned char *c=array.get_format().begin(); c!=array.get_format().end(); ++c)
+	{
+		unsigned sz = get_component_size(*c);
+		unsigned t = get_component_type(*c);
+		if(*c==COLOR4_UBYTE)
+		{
+			union { unsigned char c[4]; float f; } u;
+			u.c[0] = static_cast<unsigned char>(col.r*255);
+			u.c[1] = static_cast<unsigned char>(col.g*255);
+			u.c[2] = static_cast<unsigned char>(col.b*255);
+			u.c[3] = static_cast<unsigned char>(col.a*255);
+			*ptr++ = u.f;
+		}
+		else if(*c==NORMAL3)
+		{
+			*ptr++ = nor.x;
+			*ptr++ = nor.y;
+			*ptr++ = nor.z;
+		}
+		else if(t==get_component_type(COLOR4_FLOAT))
+		{
+			*ptr++ = col.r;
+			*ptr++ = col.g;
+			*ptr++ = col.b;
+			if(sz>=4) *ptr++ = col.a;
+		}
+		else
+		{
+			const Vector4 *v = 0;
+			if(t==get_component_type(VERTEX3))
+				v = &ver;
+			else if(*c>=TEXCOORD1 && *c<=TEXCOORD4+12)
+				v = &texc[t-get_component_type(TEXCOORD1)];
+			else if(*c>=ATTRIB1)
+				v = &attr[t-get_component_type(ATTRIB1)];
+			else
+				v = &attr[t];
+			*ptr++ = v->x;
+			if(sz>=2) *ptr++ = v->y;
+			if(sz>=3) *ptr++ = v->z;
+			if(sz>=4) *ptr++ = v->w;
+		}
+	}
+}
+
+} // namespace GL
+} // namespace Msp