X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fclip.c;h=ba2028cf2e19ed82fee223d4dc1b66766525c637;hb=c6ed42a89ede459e72b18cd8890cc3aba39905f5;hp=96c80e6ef8dd1a8f1c6e120156bddb856210548c;hpb=407e8ae5b167b0193e1e5b1266a5d61ed836dfb5;p=mesa.git

diff --git a/src/mesa/main/clip.c b/src/mesa/main/clip.c
index 96c80e6ef8d..ba2028cf2e1 100644
--- a/src/mesa/main/clip.c
+++ b/src/mesa/main/clip.c
@@ -32,11 +32,20 @@
 #include "math/m_matrix.h"
 
 
+/**
+ * Update derived clip plane state.
+ */
+void
+_mesa_update_clip_plane(struct gl_context *ctx, GLuint plane)
+{
+   if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
+      _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
 
-/**********************************************************************/
-/*                     Get/Set User clip-planes.                      */
-/**********************************************************************/
-
+   /* Clip-Space Plane = Eye-Space Plane * Projection Matrix */
+   _mesa_transform_vector(ctx->Transform._ClipUserPlane[plane],
+                          ctx->Transform.EyeUserPlane[plane],
+                          ctx->ProjectionMatrixStack.Top->inv);
+}
 
 
 void GLAPIENTRY
@@ -78,17 +87,8 @@ _mesa_ClipPlane( GLenum plane, const GLdouble *eq )
    FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
    COPY_4FV(ctx->Transform.EyeUserPlane[p], equation);
 
-   /* Update derived state.  This state also depends on the projection
-    * matrix, and is recalculated on changes to the projection matrix by
-    * code in _mesa_update_state().
-    */
    if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
-      if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
-         _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
-
-      _mesa_transform_vector( ctx->Transform._ClipUserPlane[p],
-			   ctx->Transform.EyeUserPlane[p],
-			   ctx->ProjectionMatrixStack.Top->inv );
+      _mesa_update_clip_plane(ctx, p);
    }
 
    if (ctx->Driver.ClipPlane)
@@ -114,46 +114,3 @@ _mesa_GetClipPlane( GLenum plane, GLdouble *equation )
    equation[2] = (GLdouble) ctx->Transform.EyeUserPlane[p][2];
    equation[3] = (GLdouble) ctx->Transform.EyeUserPlane[p][3];
 }
-
-void GLAPIENTRY 
-_mesa_CullParameterfvEXT (GLenum cap, GLfloat *v)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   switch (cap) {
-   case GL_CULL_VERTEX_EYE_POSITION_EXT:
-      FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
-      COPY_4FV(ctx->Transform.CullEyePos, v);
-      
-      _mesa_transform_vector( ctx->Transform.CullObjPos, 
-			      ctx->Transform.CullEyePos,
-			      ctx->ModelviewMatrixStack.Top->inv );
-      break;
-
-   case GL_CULL_VERTEX_OBJECT_POSITION_EXT:
-      FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
-      COPY_4FV(ctx->Transform.CullObjPos, v);
-
-      _mesa_transform_vector( ctx->Transform.CullEyePos, 
-			      ctx->Transform.CullObjPos,
-			      ctx->ModelviewMatrixStack.Top->m );
-     break;
-   default:
-      _mesa_error( ctx, GL_INVALID_ENUM, "glCullParameterfvEXT" );
-   }
-}
-
-void GLAPIENTRY 
-_mesa_CullParameterdvEXT (GLenum cap, GLdouble *v)
-{
-   GLfloat f[4];
-   
-   f[0] = (GLfloat)v[0];
-   f[1] = (GLfloat)v[1];
-   f[2] = (GLfloat)v[2];
-   f[3] = (GLfloat)v[3];
-
-   _mesa_CullParameterfvEXT(cap, f);
-}
-