From 9ae42ab1ec7024814494cf65c4527c1b9ad98cd0 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Wed, 11 Nov 2015 16:30:41 -0800
Subject: [PATCH] mesa: Refactor _mesa_framebuffer_renderbuffer

This function previously was only used in fbobject.c and contained a
bunch of API validation.  Split the function into
framebuffer_renderbuffer that is static and contains the validation, and
_mesa_framebuffer_renderbuffer that is suitable for calling from
elsewhere in Mesa (e.g., meta).

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
---
 src/mesa/main/fbobject.c | 42 ++++++++++++++++++++++++++----------------
 src/mesa/main/fbobject.h |  3 +--
 2 files changed, 27 insertions(+), 18 deletions(-)

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 2d4acb3..0b0653d 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -3413,8 +3413,27 @@ void
 _mesa_framebuffer_renderbuffer(struct gl_context *ctx,
                                struct gl_framebuffer *fb,
                                GLenum attachment,
-                               struct gl_renderbuffer *rb,
-                               const char *func)
+                               struct gl_renderbuffer *rb)
+{
+   assert(!_mesa_is_winsys_fbo(fb));
+
+   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+   assert(ctx->Driver.FramebufferRenderbuffer);
+   ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
+
+   /* Some subsequent GL commands may depend on the framebuffer's visual
+    * after the binding is updated.  Update visual info now.
+    */
+   _mesa_update_framebuffer_visual(ctx, fb);
+}
+
+static void
+framebuffer_renderbuffer(struct gl_context *ctx,
+                         struct gl_framebuffer *fb,
+                         GLenum attachment,
+                         struct gl_renderbuffer *rb,
+                         const char *func)
 {
    struct gl_renderbuffer_attachment *att;
 
@@ -3444,18 +3463,9 @@ _mesa_framebuffer_renderbuffer(struct gl_context *ctx,
       }
    }
 
-   FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
-   assert(ctx->Driver.FramebufferRenderbuffer);
-   ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
-
-   /* Some subsequent GL commands may depend on the framebuffer's visual
-    * after the binding is updated.  Update visual info now.
-    */
-   _mesa_update_framebuffer_visual(ctx, fb);
+   _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
 }
 
-
 void GLAPIENTRY
 _mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
                               GLenum renderbuffertarget,
@@ -3491,8 +3501,8 @@ _mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
       rb = NULL;
    }
 
-   _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb,
-                                  "glFramebufferRenderbuffer");
+   framebuffer_renderbuffer(ctx, fb, attachment, rb,
+                            "glFramebufferRenderbuffer");
 }
 
 
@@ -3528,8 +3538,8 @@ _mesa_NamedFramebufferRenderbuffer(GLuint framebuffer, GLenum attachment,
       rb = NULL;
    }
 
-   _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb,
-                                  "glNamedFramebufferRenderbuffer");
+   framebuffer_renderbuffer(ctx, fb, attachment, rb,
+                            "glNamedFramebufferRenderbuffer");
 }
 
 
diff --git a/src/mesa/main/fbobject.h b/src/mesa/main/fbobject.h
index 8dad0ff..458e440 100644
--- a/src/mesa/main/fbobject.h
+++ b/src/mesa/main/fbobject.h
@@ -91,8 +91,7 @@ extern void
 _mesa_framebuffer_renderbuffer(struct gl_context *ctx,
                                struct gl_framebuffer *fb,
                                GLenum attachment,
-                               struct gl_renderbuffer *rb,
-                               const char *func);
+                               struct gl_renderbuffer *rb);
 
 extern void
 _mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb);
-- 
2.7.4