cogl: Expose Renderer.get_proc_address

Allows to get rid of the cogl_get_proc_address

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3857>

cogl/cogl/cogl-atlas-texture.c

@@ -44,7 +44,6 @@
 #include "cogl/cogl-rectangle-map.h"
 #include "cogl/cogl-journal-private.h"
 #include "cogl/cogl-atlas.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-sub-texture.h"
 #include "cogl/driver/gl/cogl-texture-gl-private.h"
 

cogl/cogl/cogl-blit.c

@@ -41,7 +41,6 @@
 #include "cogl/cogl-texture-private.h"
 #include "cogl/cogl-texture-2d-private.h"
 #include "cogl/cogl-private.h"
-#include "cogl/cogl1-context.h"
 
 static const CoglBlitMode *_cogl_blit_default_mode = NULL;
 

cogl/cogl/cogl-clip-stack.c

@@ -44,7 +44,6 @@
 #include "cogl/cogl-private.h"
 #include "cogl/cogl-attribute-private.h"
 #include "cogl/cogl-primitive-private.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-offscreen.h"
 #include "cogl/cogl-matrix-stack.h"
 #include "mtk/mtk.h"

cogl/cogl/cogl-context.c

@@ -45,7 +45,6 @@
 #include "cogl/cogl-framebuffer-private.h"
 #include "cogl/cogl-onscreen-private.h"
 #include "cogl/cogl-attribute-private.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/winsys/cogl-winsys-private.h"
 
 #include <gio/gio.h>

cogl/cogl/cogl-debug.c

@@ -35,7 +35,6 @@
 #include "cogl/cogl-i18n-private.h"
 #include "cogl/cogl-private.h"
 #include "cogl/cogl-debug.h"
-#include "cogl/cogl1-context.h"
 
 /* XXX: If you add a debug option, please also add an option
  * definition to cogl-debug-options.h. This will enable us - for

cogl/cogl/cogl-feature-private.c

@@ -143,7 +143,7 @@ _cogl_feature_check (CoglRenderer *renderer,
 
       full_function_name = g_strconcat (data->functions[func_num].name,
                                         suffix, NULL);
-      func = _cogl_renderer_get_proc_address (renderer,
+      func = cogl_renderer_get_proc_address (renderer,
                                              full_function_name);
       g_free (full_function_name);
 

cogl/cogl/cogl-framebuffer.c

@@ -46,7 +46,6 @@
 #include "cogl/cogl-pipeline-state-private.h"
 #include "cogl/cogl-primitive-private.h"
 #include "cogl/cogl-offscreen.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-private.h"
 #include "cogl/cogl-primitives-private.h"
 #include "cogl/cogl-trace.h"

cogl/cogl/cogl-journal.c

@@ -43,7 +43,6 @@
 #include "cogl/cogl-point-in-poly-private.h"
 #include "cogl/cogl-trace.h"
 #include "cogl/cogl-private.h"
-#include "cogl/cogl1-context.h"
 
 #include <string.h>
 #include <gmodule.h>

cogl/cogl/cogl-onscreen.c

@@ -38,7 +38,6 @@
 #include "cogl/cogl-framebuffer-private.h"
 #include "cogl/cogl-onscreen-template-private.h"
 #include "cogl/cogl-context-private.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-closure-list-private.h"
 #include "cogl/cogl-poll-private.h"
 

cogl/cogl/cogl-pipeline.c

@@ -46,7 +46,6 @@
 #include "cogl/cogl-profile.h"
 #include "cogl/cogl-depth-state-private.h"
 #include "cogl/cogl-snippet-private.h"
-#include "cogl/cogl1-context.h"
 
 #include <glib.h>
 #include <glib/gprintf.h>

cogl/cogl/cogl-primitives.c

@@ -40,7 +40,6 @@
 #include "cogl/cogl-private.h"
 #include "cogl/cogl-meta-texture.h"
 #include "cogl/cogl-framebuffer-private.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-primitives-private.h"
 
 #include <string.h>

cogl/cogl/cogl-renderer-private.h

@@ -89,7 +89,3 @@ void
 _cogl_renderer_remove_native_filter (CoglRenderer *renderer,
                                      CoglNativeFilterFunc func,
                                      void *data);
-
-void *
-_cogl_renderer_get_proc_address (CoglRenderer *renderer,
-                                 const char   *name);

cogl/cogl/cogl-renderer.c

@@ -615,7 +615,7 @@ cogl_renderer_get_winsys_id (CoglRenderer *renderer)
 }
 
 void *
-_cogl_renderer_get_proc_address (CoglRenderer *renderer,
+cogl_renderer_get_proc_address (CoglRenderer *renderer,
                                  const char   *name)
 {
   const CoglWinsysVtable *winsys = _cogl_renderer_get_winsys (renderer);

cogl/cogl/cogl-renderer.h

@@ -311,4 +311,24 @@ cogl_renderer_is_dma_buf_supported (CoglRenderer *renderer);
 COGL_EXPORT void
 cogl_renderer_bind_api (CoglRenderer *renderer);
 
+/**
+ * cogl_renderer_get_proc_address:
+ * @renderer: A #CoglRenderer.
+ * @name: the name of the function.
+ *
+ * Gets a pointer to a given GL or GL ES extension function. This acts
+ * as a wrapper around glXGetProcAddress() or whatever is the
+ * appropriate function for the current backend.
+ *
+ * This function should not be used to query core opengl API
+ * symbols since eglGetProcAddress for example doesn't allow this and
+ * and may return a junk pointer if you do.
+ *
+ * Return value: a pointer to the requested function or %NULL if the
+ *   function is not available.
+ */
+COGL_EXPORT void *
+cogl_renderer_get_proc_address (CoglRenderer *renderer,
+                                const char   *name);
+
 G_END_DECLS

cogl/cogl/cogl-texture.c

@@ -53,7 +53,6 @@
 #include "cogl/cogl-context-private.h"
 #include "cogl/cogl-offscreen-private.h"
 #include "cogl/cogl-framebuffer-private.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-sub-texture.h"
 #include "cogl/cogl-primitive-texture.h"
 

cogl/cogl/cogl.c

@@ -50,18 +50,9 @@
 #include "cogl/cogl-framebuffer-private.h"
 #include "cogl/cogl-renderer-private.h"
 #include "cogl/cogl-private.h"
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-offscreen.h"
 #include "cogl/winsys/cogl-winsys-private.h"
 
-GCallback
-cogl_get_proc_address (const char* name)
-{
-  _COGL_GET_CONTEXT (ctx, NULL);
-
-  return _cogl_renderer_get_proc_address (ctx->display->renderer, name);
-}
-
 gboolean
 _cogl_check_extension (const char *name, char * const *ext)
 {

cogl/cogl/cogl.h

@@ -45,7 +45,6 @@
 
 #include "cogl/cogl-macros.h"
 
-#include "cogl/cogl1-context.h"
 #include "cogl/cogl-bitmap.h"
 #include "cogl/cogl-color.h"
 #include "cogl/cogl-dma-buf-handle.h"

cogl/cogl/cogl1-context.h

@@ -1,66 +0,0 @@
-/*
- * Cogl
- *
- * A Low Level GPU Graphics and Utilities API
- *
- * Copyright (C) 2010 Intel Corporation.
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy,
- * modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Authors:
- *  Robert Bragg <robert@linux.intel.com>
- *
- */
-
-#pragma once
-
-#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION)
-#error "Only <cogl/cogl.h> can be included directly."
-#endif
-
-#include "cogl/cogl-types.h"
-#include "cogl/cogl-texture.h"
-#include "cogl/cogl-framebuffer.h"
-#include "cogl/cogl-macros.h"
-
-G_BEGIN_DECLS
-
-/* Misc */
-/**
- * cogl_get_proc_address: (skip)
- * @name: the name of the function.
- *
- * Gets a pointer to a given GL or GL ES extension function. This acts
- * as a wrapper around glXGetProcAddress() or whatever is the
- * appropriate function for the current backend.
- *
- * This function should not be used to query core opengl API
- * symbols since eglGetProcAddress for example doesn't allow this and
- * and may return a junk pointer if you do.
- *
- * Return value: a pointer to the requested function or %NULL if the
- *   function is not available.
- */
-COGL_EXPORT GCallback
-cogl_get_proc_address (const char *name);
-
-
-G_END_DECLS

cogl/cogl/driver/gl/gl/cogl-driver-gl.c

@@ -429,13 +429,13 @@ _cogl_driver_update_features (CoglContext *ctx,
      functions because we need to use them to determine what functions
      we can expect */
   ctx->glGetString =
-    (void *) _cogl_renderer_get_proc_address (ctx->display->renderer,
+    (void *) cogl_renderer_get_proc_address (ctx->display->renderer,
                                              "glGetString");
   ctx->glGetStringi =
-    (void *) _cogl_renderer_get_proc_address (ctx->display->renderer,
+    (void *) cogl_renderer_get_proc_address (ctx->display->renderer,
                                              "glGetStringi");
   ctx->glGetIntegerv =
-    (void *) _cogl_renderer_get_proc_address (ctx->display->renderer,
+    (void *) cogl_renderer_get_proc_address (ctx->display->renderer,
                                              "glGetIntegerv");
 
   gl_extensions = _cogl_context_get_gl_extensions (ctx);

cogl/cogl/driver/gl/gles/cogl-driver-gles.c

@@ -578,10 +578,10 @@ _cogl_driver_update_features (CoglContext *context,
      function because we need to use it to determine what functions we
      can expect */
   context->glGetString =
-    (void *) _cogl_renderer_get_proc_address (context->display->renderer,
+    (void *) cogl_renderer_get_proc_address (context->display->renderer,
                                              "glGetString");
   context->glGetStringi =
-    (void *) _cogl_renderer_get_proc_address (context->display->renderer,
+    (void *) cogl_renderer_get_proc_address (context->display->renderer,
                                              "glGetStringi");
 
   gl_extensions = _cogl_context_get_gl_extensions (context);

cogl/cogl/meson.build

@@ -25,7 +25,6 @@ cogl_headers = [
   'cogl-attribute.h',
   'cogl-bitmap.h',
   'cogl-color.h',
-  'cogl1-context.h',
   'cogl-context.h',
   'cogl-depth-state.h',
   'cogl-display.h',

src/compositor/meta-compositor-x11.c

@@ -133,6 +133,8 @@ meta_compositor_x11_manage (MetaCompositor  *compositor,
   MetaDisplay *display = meta_compositor_get_display (compositor);
   MetaContext *context = meta_display_get_context (display);
   MetaBackend *backend = meta_context_get_backend (context);
+  ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
+  CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
   MetaX11Display *x11_display = display->x11_display;
   Display *xdisplay = meta_x11_display_get_xdisplay (x11_display);
   int composite_version;
@@ -186,7 +188,7 @@ meta_compositor_x11_manage (MetaCompositor  *compositor,
    */
   XMapWindow (xdisplay, compositor_x11->output);
 
-  compositor_x11->have_x11_sync_object = meta_sync_ring_init (xdisplay);
+  compositor_x11->have_x11_sync_object = meta_sync_ring_init (cogl_context, xdisplay);
 
   return TRUE;
 }
@@ -332,6 +334,9 @@ maybe_do_sync (MetaCompositor *compositor)
   if (compositor_x11->frame_has_updated_xsurfaces)
     {
       MetaDisplay *display = meta_compositor_get_display (compositor);
+      MetaBackend *backend = meta_compositor_get_backend (compositor);
+      ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
+      CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
 
       /*
        * We need to make sure that any X drawing that happens before the
@@ -354,7 +359,7 @@ maybe_do_sync (MetaCompositor *compositor)
        * at this point is sufficient to flush the GLX buffers.
        */
       if (compositor_x11->have_x11_sync_object)
-        compositor_x11->have_x11_sync_object = meta_sync_ring_insert_wait ();
+        compositor_x11->have_x11_sync_object = meta_sync_ring_insert_wait (cogl_context);
       else
         XSync (display->x11_display->xdisplay, False);
     }
@@ -379,8 +384,12 @@ on_after_update (ClutterStage     *stage,
 
   if (compositor_x11->frame_has_updated_xsurfaces)
     {
+      MetaBackend *backend = meta_compositor_get_backend (compositor);
+      ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
+      CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
+
       if (compositor_x11->have_x11_sync_object)
-        compositor_x11->have_x11_sync_object = meta_sync_ring_after_frame ();
+        compositor_x11->have_x11_sync_object = meta_sync_ring_after_frame (cogl_context);
 
       compositor_x11->frame_has_updated_xsurfaces = FALSE;
     }

src/compositor/meta-sync-ring.c

@@ -132,10 +132,11 @@ meta_sync_ring_get (void)
 }
 
 static gboolean
-load_gl_symbol (const char  *name,
+load_gl_symbol (CoglContext *ctx,
+                const char  *name,
                 void       **func)
 {
-  *func = cogl_get_proc_address (name);
+  *func = cogl_renderer_get_proc_address (ctx->display->renderer, name);
   if (!*func)
     {
       meta_verbose ("MetaSyncRing: failed to resolve required GL symbol \"%s\"", name);
@@ -187,7 +188,7 @@ check_gl_extensions (void)
 }
 
 static gboolean
-load_required_symbols (void)
+load_required_symbols (CoglContext *ctx)
 {
   static gboolean success = FALSE;
 
@@ -199,11 +200,11 @@ load_required_symbols (void)
    * and dynamically loaded libGL at this point.
    */
 
-  if (!load_gl_symbol ("glGetString", (void **) &meta_gl_get_string))
+  if (!load_gl_symbol (ctx, "glGetString", (void **) &meta_gl_get_string))
     goto out;
-  if (!load_gl_symbol ("glGetIntegerv", (void **) &meta_gl_get_integerv))
+  if (!load_gl_symbol (ctx, "glGetIntegerv", (void **) &meta_gl_get_integerv))
     goto out;
-  if (!load_gl_symbol ("glGetStringi", (void **) &meta_gl_get_stringi))
+  if (!load_gl_symbol (ctx, "glGetStringi", (void **) &meta_gl_get_stringi))
     goto out;
 
   if (!check_gl_extensions ())
@@ -212,15 +213,15 @@ load_required_symbols (void)
       goto out;
     }
 
-  if (!load_gl_symbol ("glDeleteSync", (void **) &meta_gl_delete_sync))
+  if (!load_gl_symbol (ctx, "glDeleteSync", (void **) &meta_gl_delete_sync))
     goto out;
-  if (!load_gl_symbol ("glClientWaitSync", (void **) &meta_gl_client_wait_sync))
+  if (!load_gl_symbol (ctx, "glClientWaitSync", (void **) &meta_gl_client_wait_sync))
     goto out;
-  if (!load_gl_symbol ("glWaitSync", (void **) &meta_gl_wait_sync))
+  if (!load_gl_symbol (ctx, "glWaitSync", (void **) &meta_gl_wait_sync))
     goto out;
-  if (!load_gl_symbol ("glImportSyncEXT", (void **) &meta_gl_import_sync))
+  if (!load_gl_symbol (ctx, "glImportSyncEXT", (void **) &meta_gl_import_sync))
     goto out;
-  if (!load_gl_symbol ("glFenceSync", (void **) &meta_gl_fence_sync))
+  if (!load_gl_symbol (ctx, "glFenceSync", (void **) &meta_gl_fence_sync))
     goto out;
 
   success = TRUE;
@@ -405,7 +406,8 @@ meta_sync_free (MetaSync *self)
 }
 
 gboolean
-meta_sync_ring_init (Display *xdisplay)
+meta_sync_ring_init (CoglContext *ctx,
+                     Display     *xdisplay)
 {
   gint major, minor;
   guint i;
@@ -417,7 +419,7 @@ meta_sync_ring_init (Display *xdisplay)
   g_return_val_if_fail (xdisplay != NULL, FALSE);
   g_return_val_if_fail (ring->xdisplay == NULL, FALSE);
 
-  if (!load_required_symbols ())
+  if (!load_required_symbols (ctx))
     return FALSE;
 
   if (!XSyncQueryExtension (xdisplay, &ring->xsync_event_base, &ring->xsync_error_base) ||
@@ -477,7 +479,8 @@ meta_sync_ring_destroy (void)
 }
 
 static gboolean
-meta_sync_ring_reboot (Display *xdisplay)
+meta_sync_ring_reboot (CoglContext *ctx,
+                       Display *xdisplay)
 {
   MetaSyncRing *ring = meta_sync_ring_get ();
 
@@ -494,11 +497,11 @@ meta_sync_ring_reboot (Display *xdisplay)
       return FALSE;
     }
 
-  return meta_sync_ring_init (xdisplay);
+  return meta_sync_ring_init (ctx, xdisplay);
 }
 
 gboolean
-meta_sync_ring_after_frame (void)
+meta_sync_ring_after_frame (CoglContext *ctx)
 {
   MetaSyncRing *ring = meta_sync_ring_get ();
 
@@ -522,7 +525,7 @@ meta_sync_ring_after_frame (void)
       if (status != GL_ALREADY_SIGNALED && status != GL_CONDITION_SATISFIED)
         {
           meta_warning ("MetaSyncRing: Timed out waiting for sync object.");
-          return meta_sync_ring_reboot (ring->xdisplay);
+          return meta_sync_ring_reboot (ctx, ring->xdisplay);
         }
 
       meta_sync_reset (sync_to_reset);
@@ -541,7 +544,7 @@ meta_sync_ring_after_frame (void)
 }
 
 gboolean
-meta_sync_ring_insert_wait (void)
+meta_sync_ring_insert_wait (CoglContext *ctx)
 {
   MetaSyncRing *ring = meta_sync_ring_get ();
   MetaSync *sync;
@@ -562,7 +565,7 @@ meta_sync_ring_insert_wait (void)
   else if (sync->state != META_SYNC_STATE_READY)
     {
       meta_warning ("MetaSyncRing: Sync object is not ready -- were events handled properly?");
-      if (!meta_sync_ring_reboot (ring->xdisplay))
+      if (!meta_sync_ring_reboot (ctx, ring->xdisplay))
         return FALSE;
     }
 

src/compositor/meta-sync-ring.h

@@ -3,8 +3,11 @@
 #include <glib.h>
 #include <X11/Xlib.h>
 
-gboolean meta_sync_ring_init (Display *dpy);
+#include "cogl/cogl.h"
+
+gboolean meta_sync_ring_init (CoglContext *ctx,
+                              Display     *dpy);
 void meta_sync_ring_destroy (void);
-gboolean meta_sync_ring_after_frame (void);
+gboolean meta_sync_ring_after_frame (CoglContext *ctx);
-gboolean meta_sync_ring_insert_wait (void);
+gboolean meta_sync_ring_insert_wait (CoglContext *ctx);
 void meta_sync_ring_handle_event (XEvent *event);