two-side stencil info

diff --git a/docs/RELNOTES-4.1 b/docs/RELNOTES-4.1
index bffa36912cf871b37576885737552e206a8a6d1c..5db89f75afc15b856b130b71f2e0d420dd047a70 100644 (file)
--- a/docs/RELNOTES-4.1
+++ b/docs/RELNOTES-4.1
@@ -74,6 +74,10 @@ GL_EXT_multi_draw_arrays
 
     Allows arrays of vertex arrays to be rendered with one call.
 
+GL_EXT_stencil_two_side
+
+   Separate stencil modes for front and back-facing polygons.
+
 
 
 Device Driver Status
@@ -248,6 +252,20 @@ are some things to change:
    should use this.
 
 
+5. In tnl's struct vertex_buffer, the field "ProjectedClipCoords"
+   has been replaced by "NdcPtr" to better match the OpenGL spec's
+   terminology.
+
+
+6. Since GL_EXT_stencil_two_side has been implemented, many of the
+   ctx->Stencil fields are now 2-element arrays.  For example,
+   "GLenum Ref" is now "GLenum Ref[2]"  The [0] elements are the front-face
+   values and the [1] elements are the back-face values.
+   ctx->Stencil.ActiveFace is 0 or 1 to indicate the current face for
+   the glStencilOp/Func/Mask() functions.
+   ctx->Stencil.TestTwoSide controls whether or not 1 or 2-sided stenciling
+   is enabled.
+
 
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-$Id: RELNOTES-4.1,v 1.15 2002/08/17 00:23:19 brianp Exp $
+$Id: RELNOTES-4.1,v 1.16 2002/09/19 16:34:29 brianp Exp $