From 9f2abbee6215d89e48b7fe042f8a905997f5c232 Mon Sep 17 00:00:00 2001
From: Jeremy Huddleston <jeremyhu@apple.com>
Date: Fri, 21 Oct 2011 00:22:40 -0700
Subject: [PATCH] apple: Use the correct (OpenGL.framework) glViewport and
 glScissor during init

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
---
 src/glx/apple/apple_glapi.c       | 15 +++++++++++----
 src/glx/apple/apple_glx.h         |  1 +
 src/glx/apple/apple_glx_pbuffer.c |  3 +--
 src/glx/apple/apple_glx_pixmap.c  |  3 +--
 src/glx/apple/apple_glx_surface.c |  3 +--
 5 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/src/glx/apple/apple_glapi.c b/src/glx/apple/apple_glapi.c
index 34f726e..9a670bc 100644
--- a/src/glx/apple/apple_glapi.c
+++ b/src/glx/apple/apple_glapi.c
@@ -49,11 +49,9 @@
 struct _glapi_table * __ogl_framework_api = NULL;
 struct _glapi_table * __applegl_api = NULL;
 
-void apple_glapi_set_dispatch(void) {
-    if(__applegl_api)  {
-        _glapi_set_dispatch(__applegl_api);
+static void _apple_glapi_create_table(void) {
+    if (__applegl_api)
         return;
-    }
 
     __ogl_framework_api = _glapi_create_table_from_handle(apple_cgl_get_dl_handle(), "gl");
     assert(__ogl_framework_api);
@@ -68,6 +66,15 @@ void apple_glapi_set_dispatch(void) {
     SET_DrawBuffer(__applegl_api, __applegl_glDrawBuffer);
     SET_DrawBuffersARB(__applegl_api, __applegl_glDrawBuffersARB);
     SET_Viewport(__applegl_api, __applegl_glViewport);
+}
 
+void apple_glapi_set_dispatch(void) {
+    _apple_glapi_create_table();
     _glapi_set_dispatch(__applegl_api);
 }
+
+void apple_glapi_oglfw_viewport_scissor(GLint x, GLint y, GLsizei width, GLsizei height) {
+    _apple_glapi_create_table();
+    __ogl_framework_api->Viewport(x, y, width, height);
+    __ogl_framework_api->Scissor(x, y, width, height);
+}
diff --git a/src/glx/apple/apple_glx.h b/src/glx/apple/apple_glx.h
index c70fc00..ce8c488 100644
--- a/src/glx/apple/apple_glx.h
+++ b/src/glx/apple/apple_glx.h
@@ -46,5 +46,6 @@ void apple_glx_waitx(Display * dpy, void *ptr);
 int apple_get_dri_event_base(void);
 
 void apple_glapi_set_dispatch(void);
+void apple_glapi_oglfw_viewport_scissor(GLint x, GLint y, GLsizei width, GLsizei height);
 
 #endif
diff --git a/src/glx/apple/apple_glx_pbuffer.c b/src/glx/apple/apple_glx_pbuffer.c
index 2817cda..142f4cc 100644
--- a/src/glx/apple/apple_glx_pbuffer.c
+++ b/src/glx/apple/apple_glx_pbuffer.c
@@ -84,8 +84,7 @@ pbuffer_make_current(struct apple_glx_context *ac,
    }
 
    if (!ac->made_current) {
-      glViewport(0, 0, pbuf->width, pbuf->height);
-      glScissor(0, 0, pbuf->width, pbuf->height);
+      apple_glapi_oglfw_viewport_scissor(0, 0, pbuf->width, pbuf->height);
       ac->made_current = true;
    }
 
diff --git a/src/glx/apple/apple_glx_pixmap.c b/src/glx/apple/apple_glx_pixmap.c
index 4586707..bee0ec9 100644
--- a/src/glx/apple/apple_glx_pixmap.c
+++ b/src/glx/apple/apple_glx_pixmap.c
@@ -80,8 +80,7 @@ pixmap_make_current(struct apple_glx_context *ac,
    }
 
    if (!ac->made_current) {
-      glViewport(0, 0, p->width, p->height);
-      glScissor(0, 0, p->width, p->height);
+      apple_glapi_oglfw_viewport_scissor(0, 0, p->width, p->height);
       ac->made_current = true;
    }
 
diff --git a/src/glx/apple/apple_glx_surface.c b/src/glx/apple/apple_glx_surface.c
index 6db2910..39f5130 100644
--- a/src/glx/apple/apple_glx_surface.c
+++ b/src/glx/apple/apple_glx_surface.c
@@ -53,8 +53,7 @@ update_viewport_and_scissor(Display * dpy, GLXDrawable drawable)
 
    XGetGeometry(dpy, drawable, &root, &x, &y, &width, &height, &bd, &depth);
 
-   glViewport(0, 0, width, height);
-   glScissor(0, 0, width, height);
+   apple_glapi_oglfw_viewport_scissor(0, 0, width, height);
 }
 
 static bool
-- 
2.7.4