From: gb <gb@5584edef-b1fe-4b99-b61b-dd2bab72e969>
Date: Thu, 1 Jul 2010 11:38:28 +0000 (+0000)
Subject: Call the GLX/Pixmap related functions through the vtable.
X-Git-Tag: accepted/trunk/20120822.173359~369
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=982a06b1c786779852abe5abf3ff57a54095e26d;p=profile%2Fivi%2Fgstreamer-vaapi.git

Call the GLX/Pixmap related functions through the vtable.
---

diff --git a/gst-libs/gst/vaapi/gstvaapiutils_glx.c b/gst-libs/gst/vaapi/gstvaapiutils_glx.c
index 899b657..dff8780 100644
--- a/gst-libs/gst/vaapi/gstvaapiutils_glx.c
+++ b/gst-libs/gst/vaapi/gstvaapiutils_glx.c
@@ -664,6 +664,14 @@ gl_init_vtable(void)
     gboolean has_extension;
 
     /* GLX_EXT_texture_from_pixmap */
+    gl_vtable->glx_create_pixmap = (PFNGLXCREATEPIXMAPPROC)
+        get_proc_address("glXCreatePixmap");
+    if (!gl_vtable->glx_create_pixmap)
+        return NULL;
+    gl_vtable->glx_destroy_pixmap = (PFNGLXDESTROYPIXMAPPROC)
+        get_proc_address("glXDestroyPixmap");
+    if (!gl_vtable->glx_destroy_pixmap)
+        return NULL;
     gl_vtable->glx_bind_tex_image = (PFNGLXBINDTEXIMAGEEXTPROC)
         get_proc_address("glXBindTexImageEXT");
     if (!gl_vtable->glx_bind_tex_image)
@@ -906,7 +914,12 @@ gl_create_pixmap_object(Display *dpy, guint width, guint height)
     *attr++ = GL_NONE;
 
     x11_trap_errors();
-    pixo->glx_pixmap = glXCreatePixmap(dpy, fbconfig[0], pixo->pixmap, pixmap_attrs);
+    pixo->glx_pixmap = gl_vtable->glx_create_pixmap(
+        dpy,
+        fbconfig[0],
+        pixo->pixmap,
+        pixmap_attrs
+    );
     free(fbconfig);
     if (x11_untrap_errors() != 0)
         goto error;
@@ -934,6 +947,8 @@ error:
 void
 gl_destroy_pixmap_object(GLPixmapObject *pixo)
 {
+    GLVTable * const gl_vtable = gl_get_vtable();
+
     if (!pixo)
         return;
 
@@ -945,7 +960,7 @@ gl_destroy_pixmap_object(GLPixmapObject *pixo)
     }
 
     if (pixo->glx_pixmap) {
-        glXDestroyPixmap(pixo->dpy, pixo->glx_pixmap);
+        gl_vtable->glx_destroy_pixmap(pixo->dpy, pixo->glx_pixmap);
         pixo->glx_pixmap = None;
     }
 
diff --git a/gst-libs/gst/vaapi/gstvaapiutils_glx.h b/gst-libs/gst/vaapi/gstvaapiutils_glx.h
index ed8856c..5309b7a 100644
--- a/gst-libs/gst/vaapi/gstvaapiutils_glx.h
+++ b/gst-libs/gst/vaapi/gstvaapiutils_glx.h
@@ -34,6 +34,13 @@ typedef void (*PFNGLXBINDTEXIMAGEEXTPROC)(Display *, GLXDrawable, int, const int
 typedef void (*PFNGLXRELEASETEXIMAGEEXTPROC)(Display *, GLXDrawable, int);
 #endif
 
+#if GLX_GLXEXT_VERSION < 27
+/* XXX: this is not exactly that version but this is the only means to
+   make sure we have the correct <GL/glx.h> with those signatures */
+typedef GLXPixmap (*PFNGLXCREATEPIXMAPPROC)(Display *, GLXFBConfig, Pixmap, const int *);
+typedef void (*PFNGLXDESTROYPIXMAPPROC)(Display *, GLXPixmap);
+#endif
+
 #ifndef GL_FRAMEBUFFER_BINDING
 #define GL_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING_EXT
 #endif
@@ -117,6 +124,8 @@ gl_create_texture(GLenum target, GLenum format, guint width, guint height)
 
 typedef struct _GLVTable GLVTable;
 struct _GLVTable {
+    PFNGLXCREATEPIXMAPPROC              glx_create_pixmap;
+    PFNGLXDESTROYPIXMAPPROC             glx_destroy_pixmap;
     PFNGLXBINDTEXIMAGEEXTPROC           glx_bind_tex_image;
     PFNGLXRELEASETEXIMAGEEXTPROC        glx_release_tex_image;
     PFNGLGENFRAMEBUFFERSEXTPROC         gl_gen_framebuffers;