[Mesa-dev] [PATCH] mesa: don't call _mesa_update_clip_plane in the GL core profile

[Marek Olšák]

From: Marek Olšák <marek.ol...@amd.com>

It uses the projection matrix to transform the clip plane.
---
 src/mesa/main/enable.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 0324170..0f7cdcd 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -352,21 +352,22 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, 
GLboolean state)
             if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES ||
                 !ctx->DriverFlags.NewClipPlaneEnable) {
                FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
             } else {
                FLUSH_VERTICES(ctx, 0);
             }
             ctx->NewDriverState |= ctx->DriverFlags.NewClipPlaneEnable;
 
             if (state) {
                ctx->Transform.ClipPlanesEnabled |= (1 << p);
-               _mesa_update_clip_plane(ctx, p);
+               if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES)
+                  _mesa_update_clip_plane(ctx, p);
             }
             else {
                ctx->Transform.ClipPlanesEnabled &= ~(1 << p);
             }               
          }
          break;
       case GL_COLOR_MATERIAL:
          if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
             goto invalid_enum_error;
          if (ctx->Light.ColorMaterialEnabled == state)
-- 
2.7.4

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