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Remove the wl_visual interface

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The visual interface was meant to be a generic mechanism for
specifying the content of a buffer.  It goes back to before we had the
buffer factory interfaces (like wl_drm and wl_shm) and we wanted to
keep it open-ended enough that yuv, png or even svg buffer or so would
be possible.

Now that we have the buffer abstraction, we can add different buffer
types by introducing new interfaces that create buffers.  It only
makes sense to leave it to those interfaces to specify the contents of
the buffers.

For wl_shm, this means that we now just specify the pixel format using
an enum.  For EGL buffers, the exact pixel formats are controlled by
the implementation (part of wl_drm and similar), and from the client
point of view, everything is controlled using EGLConfigs.
This commit is contained in:
Kristian Høgsberg 2011-08-30 21:26:19 -04:00
parent f9c8a691b2
commit c640571c00
5 changed files with 50 additions and 88 deletions
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15
src/wayland-server.h
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@ -117,11 +117,6 @@ struct wl_resource {
void *data;
};
struct wl_visual {
struct wl_object object;
uint32_t name;
};
struct wl_shm_callbacks {
void (*buffer_created)(struct wl_buffer *buffer);
@ -134,14 +129,10 @@ struct wl_shm_callbacks {
struct wl_compositor {
const struct wl_compositor_interface *interface;
struct wl_visual argb_visual;
struct wl_visual premultiplied_argb_visual;
struct wl_visual rgb_visual;
};
struct wl_buffer {
struct wl_resource resource;
struct wl_visual *visual;
int32_t width, height;
uint32_t busy_count;
void *user_data;
@ -285,10 +276,12 @@ wl_shm_buffer_get_data(struct wl_buffer *buffer);
int32_t
wl_shm_buffer_get_stride(struct wl_buffer *buffer);
uint32_t
wl_shm_buffer_get_format(struct wl_buffer *buffer);
struct wl_buffer *
wl_shm_buffer_create(struct wl_shm *shm, int width, int height,
int stride, struct wl_visual *visual,
void *data);
int stride, uint32_t visual, void *data);
int
wl_buffer_is_shm(struct wl_buffer *buffer);