mesa: add front_face() helper

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>

2 files changed, 18 insertions, 11 deletions

diff --git a/src/mesa/main/polygon.c b/src/mesa/main/polygon.c
index 49a60e8e533..7ad536fe5e0 100644
--- a/src/mesa/main/polygon.c
+++ b/src/mesa/main/polygon.c
@@ -101,19 +101,14 @@ _mesa_CullFace(GLenum mode)
  * flushes the vertices and notifies the driver via
  * the dd_function_table::FrontFace callback.
  */
-void GLAPIENTRY
-_mesa_FrontFace( GLenum mode )
+static ALWAYS_INLINE void
+front_face(struct gl_context *ctx, GLenum mode, bool no_error)
 {
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (MESA_VERBOSE&VERBOSE_API)
-      _mesa_debug(ctx, "glFrontFace %s\n", _mesa_enum_to_string(mode));
-
    if (ctx->Polygon.FrontFace == mode)
       return;
 
-   if (mode!=GL_CW && mode!=GL_CCW) {
-      _mesa_error( ctx, GL_INVALID_ENUM, "glFrontFace" );
+   if (!no_error && mode != GL_CW && mode != GL_CCW) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glFrontFace");
       return;
    }
 
@@ -122,7 +117,19 @@ _mesa_FrontFace( GLenum mode )
    ctx->Polygon.FrontFace = mode;
 
    if (ctx->Driver.FrontFace)
-      ctx->Driver.FrontFace( ctx, mode );
+      ctx->Driver.FrontFace(ctx, mode);
+}
+
+
+void GLAPIENTRY
+_mesa_FrontFace(GLenum mode)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (MESA_VERBOSE & VERBOSE_API)
+      _mesa_debug(ctx, "glFrontFace %s\n", _mesa_enum_to_string(mode));
+
+   front_face(ctx, mode, false);
 }
 
 
diff --git a/src/mesa/main/polygon.h b/src/mesa/main/polygon.h
index 78c7f711642..b9570cd1883 100644
--- a/src/mesa/main/polygon.h
+++ b/src/mesa/main/polygon.h
@@ -46,7 +46,7 @@ extern void GLAPIENTRY
 _mesa_CullFace(GLenum mode);
 
 extern void GLAPIENTRY
-_mesa_FrontFace( GLenum mode );
+_mesa_FrontFace(GLenum mode);
 
 extern void GLAPIENTRY
 _mesa_PolygonMode( GLenum face, GLenum mode );