Decouple DataType from the OpenGL constants

[libs/gl.git] / source / core / datatype.cpp

diff --git a/source/core/datatype.cpp b/source/core/datatype.cpp
index 1def3ca31fa7363ff724448198f751cf6a8688b8..7488a68bd4e7334c217877dda705575828cf65b1 100644 (file)
--- a/source/core/datatype.cpp
+++ b/source/core/datatype.cpp
@@ -1,4 +1,5 @@
 #include <stdexcept>
+#include <msp/gl/extensions/nv_half_float.h>
 #include "datatype.h"
 
 using namespace std;
@@ -6,19 +7,19 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-unsigned get_type_size(DataType type)
+GLenum get_gl_type(DataType type)
 {
        switch(type)
        {
-       case BYTE:
-       case UNSIGNED_BYTE: return 1;
-       case SHORT:
-       case UNSIGNED_SHORT:
-       case HALF_FLOAT: return 2;
-       case INT:
-       case UNSIGNED_INT:
-       case FLOAT: return 4;
-       default: throw invalid_argument("get_type_size");
+       case BYTE: return GL_BYTE;
+       case UNSIGNED_BYTE: return GL_UNSIGNED_BYTE;
+       case SHORT: return GL_SHORT;
+       case UNSIGNED_SHORT: return GL_UNSIGNED_SHORT;
+       case INT: return GL_INT;
+       case UNSIGNED_INT: return GL_UNSIGNED_INT;
+       case FLOAT: return GL_FLOAT;
+       case HALF_FLOAT: return GL_HALF_FLOAT;
+       default: throw invalid_argument("get_gl_type");
        }
 }