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egl: forward declare wl_resource for compatibility
Depending on what version of Mesa you have then eglQueryWaylandBuffer may take a wl_buffer or wl_resource argument and the EGL header will only forward declare the corresponding type. The use of wl_buffer has been deprecated and so internally we assume that eglQueryWaylandBuffer takes a wl_resource but for compatibility we forward declare wl_resource in case we are building with EGL headers that still use wl_buffer. https://bugzilla.gnome.org/show_bug.cgi?id=710926 Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 9bd1ee544667cfe7ecae479ec7f778446dd8f326)
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@ -30,6 +30,27 @@
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#include "cogl-context-private.h"
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#include "cogl-framebuffer-private.h"
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/* XXX: depending on what version of Mesa you have then
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* eglQueryWaylandBuffer may take a wl_buffer or wl_resource argument
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* and the EGL header will only forward declare the corresponding
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* type.
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*
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* The use of wl_buffer has been deprecated and so internally we
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* assume that eglQueryWaylandBuffer takes a wl_resource but for
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* compatibility we forward declare wl_resource in case we are
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* building with EGL headers that still use wl_buffer.
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*
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* Placing the forward declaration here means it comes before we
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* #include cogl-winsys-egl-feature-functions.h bellow which
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* declares lots of function pointers for accessing EGL extensions
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* and cogl-winsys-egl.c will include this header before it also
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* includes cogl-winsys-egl-feature-functions.h that may depend
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* on this type.
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*/
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#ifdef EGL_WL_bind_wayland_display
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struct wl_resource;
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#endif
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typedef struct _CoglWinsysEGLVtable
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{
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CoglBool
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