1 files changed, 102 insertions, 0 deletions
diff --git a/mesalib/src/mesa/math/m_dotprod_tmp.h b/mesalib/src/mesa/math/m_dotprod_tmp.h
new file mode 100644
index 000000000..03e65af6c
--- /dev/null
+++ b/mesalib/src/mesa/math/m_dotprod_tmp.h
@@ -0,0 +1,102 @@
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * New (3.1) transformation code written by Keith Whitwell.
+ */
+
+
+/* Note - respects the stride of the output vector.
+ */
+static void TAG(dotprod_vec2)( GLfloat *out,
+			       GLuint outstride,
+			       const GLvector4f *coord_vec,
+			       const GLfloat plane[4] )
+{
+   GLuint stride = coord_vec->stride;
+   GLfloat *coord = coord_vec->start;
+   GLuint count = coord_vec->count;
+
+   GLuint i;
+
+   const GLfloat plane0 = plane[0], plane1 = plane[1], plane3 = plane[3];
+
+   for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) {
+      *out = (coord[0] * plane0 +
+	      coord[1] * plane1 +
+	      plane3);
+   }
+}
+
+static void TAG(dotprod_vec3)( GLfloat *out,
+			       GLuint outstride,
+			       const GLvector4f *coord_vec,
+			       const GLfloat plane[4] )
+{
+   GLuint stride = coord_vec->stride;
+   GLfloat *coord = coord_vec->start;
+   GLuint count = coord_vec->count;
+
+   GLuint i;
+
+   const GLfloat plane0 = plane[0], plane1 = plane[1], plane2 = plane[2];
+   const GLfloat plane3 = plane[3];
+
+   for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) {
+      *out = (coord[0] * plane0 +
+	      coord[1] * plane1 +
+	      coord[2] * plane2 +
+	      plane3);
+   }
+}
+
+static void TAG(dotprod_vec4)( GLfloat *out,
+			       GLuint outstride,
+			       const GLvector4f *coord_vec,
+			       const GLfloat plane[4] )
+{
+   GLuint stride = coord_vec->stride;
+   GLfloat *coord = coord_vec->start;
+   GLuint count = coord_vec->count;
+   GLuint i;
+
+   const GLfloat plane0 = plane[0], plane1 = plane[1], plane2 = plane[2];
+   const GLfloat plane3 = plane[3];
+
+   for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) {
+      *out = (coord[0] * plane0 +
+	      coord[1] * plane1 +
+	      coord[2] * plane2 +
+	      coord[3] * plane3);
+   }
+}
+
+
+static void TAG(init_dotprod)( void )
+{
+   _mesa_dotprod_tab[2] = TAG(dotprod_vec2);
+   _mesa_dotprod_tab[3] = TAG(dotprod_vec3);
+   _mesa_dotprod_tab[4] = TAG(dotprod_vec4);
+}