I found no documentation for this behaviour. But tests with nvidia's
drivers show that only GL_UNSIGNED_BYTE gets normalized.
Wow depends on this behaviour if GL_NV_vertex_program is present.
---
src/mesa/main/varray.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 11720e4..f41ee73 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -443,7 +443,7 @@ void GLAPIENTRY
_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
GLsizei stride, const GLvoid *ptr)
{
- const GLboolean normalized = GL_FALSE;
+ GLboolean normalized = GL_FALSE;
GLsizei elementSize;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -471,6 +471,7 @@ _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
/* check for valid 'type' and compute StrideB right away */
switch (type) {
case GL_UNSIGNED_BYTE:
+ normalized = GL_TRUE;
elementSize = size * sizeof(GLubyte);
break;
case GL_SHORT:
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