wayland-drm: Implement wl_buffer.damage in old versions of Wayland
Commit 272bc48976
removed the damage implementation for the
wl_buffer_interface because that has been removed from git master of
Wayland. However this breaks building with the 0.85 branch of Wayland
because it would end up initialising the struct incorrectly.
For the time being it's quite convenient for some compositors to track
the 0.85 branch of Wayland because the protocol is stable but they
will also want to track the master branch of Mesa so that they can use
the gbm surface changes.
This patch adds a compile-time check for the version of Wayland so
that it can work with either Wayland master or the 0.85 branch.
krh: Edited to also account for API changes in 6802eaa68, which
removes the timestamp argument from wl_resource_destroy().
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@ -36,6 +36,17 @@
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#include "wayland-drm.h"
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#include "wayland-drm-server-protocol.h"
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/* Git master of Wayland is moving towards a stable version of the
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* protocol, but breaking from 0.85 in the process. For the time
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* being, it's convenient to be able to build Mesa against both master
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* and 0.85.x of Wayland. To make this work we'll do a compile-time
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* version check and work around the difference in API and protocol */
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#if defined (WAYLAND_VERSION_MAJOR) && \
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WAYLAND_VERSION_MAJOR == 0 && \
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WAYLAND_VERSION_MINOR == 85
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#define HAS_WAYLAND_0_85
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#endif
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struct wl_drm {
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struct wl_display *display;
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@ -67,10 +78,25 @@ destroy_buffer(struct wl_resource *resource)
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static void
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buffer_destroy(struct wl_client *client, struct wl_resource *resource)
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{
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#ifdef HAS_WAYLAND_0_85
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wl_resource_destroy(resource, 0);
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#else
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wl_resource_destroy(resource);
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#endif
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}
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#ifdef HAS_WAYLAND_0_85
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static void
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buffer_damage(struct wl_client *client, struct wl_resource *buffer,
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int32_t x, int32_t y, int32_t width, int32_t height)
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{
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}
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#endif
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const static struct wl_buffer_interface drm_buffer_interface = {
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#ifdef HAS_WAYLAND_0_85
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buffer_damage,
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#endif
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buffer_destroy
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};
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