[Mesa-dev] [PATCH 4/5] st/egl: correctly return configs under wayland

Chia-I Wu olvaffe at gmail.com
Thu Sep 8 00:50:03 PDT 2011


On Thu, Sep 8, 2011 at 3:41 PM, Chia-I Wu <olvaffe at gmail.com> wrote:
> On Thu, Sep 8, 2011 at 3:11 PM, Benjamin Franzke
> <benjaminfranzke at googlemail.com> wrote:
>> First thanks for taking this on.
>>
>> There are some things I'd like to have addtionally/differently:
>>
>> Supported shm formats are exposed via a "format" event as well
>> (like the supported drm formats), so the config creation logic is the
>> same for drm and shm, and I think it can remain in native_wayland.c
>>
>> We need roundtrips to check that we get at least one supported format.
>>
>> I've attached two patches (heavily based on your last two) that do this,
>> are you ok with using them?
> That is great.  Sure.
>
> I've noted two minor issues or typos, fixed by the attached patch.
> One is that param_premultiplied_alpha can be set in the common code
> and only when the display has both HAS_ARGB32 and HAS_PREMUL_ARGB32.
After the change, we do not even need param_premultiplied_alpha.
> The other is that we should not claim PIPE_FORMAT_B8G8R8A8_UNORM
> without HAS_ARGB32.  If it looks good to you, I will commit an updated
> version of your patches.

>> 2011/9/8 Chia-I Wu <olvaffe at gmail.com>:
>>> From: Chia-I Wu <olv at lunarg.com>
>>>
>>> When wl_drm is avaiable and enabled, handle "format" events and return
>>> configs for the supported formats.  Otherwise, assume all formats of
>>> wl_shm are supported.
>>> ---
>>>  .../state_trackers/egl/wayland/native_drm.c        |   70 +++++++++++++++++++-
>>>  .../state_trackers/egl/wayland/native_shm.c        |   41 +++++++++++-
>>>  .../state_trackers/egl/wayland/native_wayland.c    |   28 +-------
>>>  .../state_trackers/egl/wayland/native_wayland.h    |    4 +-
>>>  4 files changed, 113 insertions(+), 30 deletions(-)
>>>
>>> diff --git a/src/gallium/state_trackers/egl/wayland/native_drm.c b/src/gallium/state_trackers/egl/wayland/native_drm.c
>>> index 05c32f4..facab32 100644
>>> --- a/src/gallium/state_trackers/egl/wayland/native_drm.c
>>> +++ b/src/gallium/state_trackers/egl/wayland/native_drm.c
>>> @@ -58,6 +58,11 @@ struct wayland_drm_display {
>>>    int fd;
>>>    char *device_name;
>>>    boolean authenticated;
>>> +
>>> +   /* supported formats */
>>> +   boolean argb32;
>>> +   boolean argb32_pre;
>>> +   boolean xrgb32;
>>>  };
>>>
>>>  static INLINE struct wayland_drm_display *
>>> @@ -77,8 +82,8 @@ wayland_drm_display_destroy(struct native_display *ndpy)
>>>       wl_drm_destroy(drmdpy->wl_drm);
>>>    if (drmdpy->device_name)
>>>       FREE(drmdpy->device_name);
>>> -   if (drmdpy->base.config)
>>> -      FREE(drmdpy->base.config);
>>> +   if (drmdpy->base.configs)
>>> +      FREE(drmdpy->base.configs);
>>>    if (drmdpy->base.own_dpy)
>>>       wl_display_destroy(drmdpy->base.dpy);
>>>
>>> @@ -124,6 +129,50 @@ wayland_create_drm_buffer(struct wayland_display *display,
>>>                                width, height, wsh.stride, format);
>>>  }
>>>
>>> +static boolean
>>> +wayland_drm_display_add_configs(struct wayland_drm_display *drmdpy)
>>> +{
>>> +   struct wayland_config *configs;
>>> +   enum pipe_format formats[2];
>>> +   int i, num_formats = 0;
>>> +
>>> +   /*
>>> +    * Only argb32 counts here.  If we make (!argbb32 && argb32_pre) count, we
>>> +    * will not be able to support the case where
>>> +    * native_present_control::premultiplied_alpha is FALSE.
>>> +    */
>>> +   if (drmdpy->argb32)
>>> +      formats[num_formats++] = PIPE_FORMAT_B8G8R8A8_UNORM;
>>> +
>>> +   if (drmdpy->xrgb32)
>>> +      formats[num_formats++] = PIPE_FORMAT_B8G8R8X8_UNORM;
>>> +
>>> +   if (!num_formats)
>>> +      return FALSE;
>>> +
>>> +   configs = CALLOC(num_formats, sizeof(*configs));
>>> +   if (!configs)
>>> +      return FALSE;
>>> +
>>> +   for (i = 0; i < num_formats; i++) {
>>> +      struct native_config *nconf = &configs[i].base;
>>> +
>>> +      nconf->buffer_mask =
>>> +         (1 << NATIVE_ATTACHMENT_FRONT_LEFT) |
>>> +         (1 << NATIVE_ATTACHMENT_BACK_LEFT);
>>> +
>>> +      nconf->color_format = formats[i];
>>> +
>>> +      nconf->window_bit = TRUE;
>>> +      nconf->pixmap_bit = TRUE;
>>> +   }
>>> +
>>> +   drmdpy->base.configs = configs;
>>> +   drmdpy->base.num_configs = num_formats;
>>> +
>>> +   return TRUE;
>>> +}
>>> +
>>>  static void
>>>  drm_handle_device(void *data, struct wl_drm *drm, const char *device)
>>>  {
>>> @@ -148,7 +197,19 @@ drm_handle_device(void *data, struct wl_drm *drm, const char *device)
>>>  static void
>>>  drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
>>>  {
>>> -   /* TODO */
>>> +   struct wayland_drm_display *drmdpy = data;
>>> +
>>> +   switch (format) {
>>> +   case WL_DRM_FORMAT_ARGB32:
>>> +      drmdpy->argb32 = TRUE;
>>> +      break;
>>> +   case WL_DRM_FORMAT_PREMULTIPLIED_ARGB32:
>>> +      drmdpy->argb32_pre = TRUE;
>>> +      break;
>>> +   case WL_DRM_FORMAT_XRGB32:
>>> +      drmdpy->xrgb32 = TRUE;
>>> +      break;
>>> +   }
>>>  }
>>>
>>>  static void
>>> @@ -191,6 +252,9 @@ wayland_drm_display_init_screen(struct native_display *ndpy)
>>>    if (!drmdpy->authenticated)
>>>       return FALSE;
>>>
>>> +   if (!wayland_drm_display_add_configs(drmdpy))
>>> +      return FALSE;
>>> +
>>>    drmdpy->base.base.screen =
>>>       drmdpy->event_handler->new_drm_screen(&drmdpy->base.base,
>>>                                             NULL, drmdpy->fd);
>>> diff --git a/src/gallium/state_trackers/egl/wayland/native_shm.c b/src/gallium/state_trackers/egl/wayland/native_shm.c
>>> index 598df9f..5882e74 100644
>>> --- a/src/gallium/state_trackers/egl/wayland/native_shm.c
>>> +++ b/src/gallium/state_trackers/egl/wayland/native_shm.c
>>> @@ -63,8 +63,8 @@ wayland_shm_display_destroy(struct native_display *ndpy)
>>>  {
>>>    struct wayland_shm_display *shmdpy = wayland_shm_display(ndpy);
>>>
>>> -   if (shmdpy->base.config)
>>> -      FREE(shmdpy->base.config);
>>> +   if (shmdpy->base.configs)
>>> +      FREE(shmdpy->base.configs);
>>>    if (shmdpy->base.own_dpy)
>>>       wl_display_destroy(shmdpy->base.dpy);
>>>
>>> @@ -111,6 +111,40 @@ wayland_create_shm_buffer(struct wayland_display *display,
>>>  }
>>>
>>>  static boolean
>>> +wayland_shm_display_add_configs(struct wayland_shm_display *shmdpy)
>>> +{
>>> +   struct wayland_config *configs;
>>> +   enum pipe_format formats[2];
>>> +   int i, num_formats = 0;
>>> +
>>> +   /* assume all formats are supported */
>>> +   formats[num_formats++] = PIPE_FORMAT_B8G8R8A8_UNORM;
>>> +   formats[num_formats++] = PIPE_FORMAT_B8G8R8X8_UNORM;
>>> +
>>> +   configs = CALLOC(num_formats, sizeof(*configs));
>>> +   if (!configs)
>>> +      return FALSE;
>>> +
>>> +   for (i = 0; i < num_formats; i++) {
>>> +      struct native_config *nconf = &configs[i].base;
>>> +
>>> +      nconf->buffer_mask =
>>> +         (1 << NATIVE_ATTACHMENT_FRONT_LEFT) |
>>> +         (1 << NATIVE_ATTACHMENT_BACK_LEFT);
>>> +
>>> +      nconf->color_format = formats[i];
>>> +
>>> +      nconf->window_bit = TRUE;
>>> +      nconf->pixmap_bit = TRUE;
>>> +   }
>>> +
>>> +   shmdpy->base.configs = configs;
>>> +   shmdpy->base.num_configs = num_formats;
>>> +
>>> +   return TRUE;
>>> +}
>>> +
>>> +static boolean
>>>  wayland_shm_display_init_screen(struct native_display *ndpy)
>>>  {
>>>    struct wayland_shm_display *shmdpy = wayland_shm_display(ndpy);
>>> @@ -128,6 +162,9 @@ wayland_shm_display_init_screen(struct native_display *ndpy)
>>>    if (!shmdpy->wl_shm)
>>>       return FALSE;
>>>
>>> +   if (!wayland_shm_display_add_configs(shmdpy))
>>> +      return FALSE;
>>> +
>>>    winsys = wayland_create_sw_winsys(shmdpy->base.dpy);
>>>    if (!winsys)
>>>       return FALSE;
>>> diff --git a/src/gallium/state_trackers/egl/wayland/native_wayland.c b/src/gallium/state_trackers/egl/wayland/native_wayland.c
>>> index 29c9b46..14cc908 100644
>>> --- a/src/gallium/state_trackers/egl/wayland/native_wayland.c
>>> +++ b/src/gallium/state_trackers/egl/wayland/native_wayland.c
>>> @@ -44,31 +44,11 @@ wayland_display_get_configs (struct native_display *ndpy, int *num_configs)
>>>    const struct native_config **configs;
>>>    int i;
>>>
>>> -   if (!display->config) {
>>> -      struct native_config *nconf;
>>> -      display->config = CALLOC(2, sizeof(*display->config));
>>> -      if (!display->config)
>>> -         return NULL;
>>> -
>>> -      for (i = 0; i < 2; ++i) {
>>> -         nconf = &display->config[i].base;
>>> -
>>> -         nconf->buffer_mask =
>>> -            (1 << NATIVE_ATTACHMENT_FRONT_LEFT) |
>>> -            (1 << NATIVE_ATTACHMENT_BACK_LEFT);
>>> -
>>> -         nconf->window_bit = TRUE;
>>> -         nconf->pixmap_bit = TRUE;
>>> -      }
>>> -
>>> -      display->config[0].base.color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
>>> -      display->config[1].base.color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
>>> -   }
>>> -
>>> -   configs = MALLOC(2 * sizeof(*configs));
>>> +   configs = MALLOC(display->num_configs * sizeof(*configs));
>>>    if (configs) {
>>> -      configs[0] = &display->config[0].base;
>>> -      configs[1] = &display->config[1].base;
>>> +      for (i = 0; i < display->num_configs; i++) {
>>> +         configs[i] = &display->configs[i].base;
>>> +      }
>>>       if (num_configs)
>>>          *num_configs = 2;
>>>    }
>>> diff --git a/src/gallium/state_trackers/egl/wayland/native_wayland.h b/src/gallium/state_trackers/egl/wayland/native_wayland.h
>>> index 5390f2f..93e670b 100644
>>> --- a/src/gallium/state_trackers/egl/wayland/native_wayland.h
>>> +++ b/src/gallium/state_trackers/egl/wayland/native_wayland.h
>>> @@ -39,10 +39,12 @@ struct wayland_surface;
>>>  struct wayland_display {
>>>    struct native_display base;
>>>
>>> -   struct wayland_config *config;
>>>    struct wl_display *dpy;
>>>    boolean own_dpy;
>>>
>>> +   struct wayland_config *configs;
>>> +   int num_configs;
>>> +
>>>    struct wl_buffer *(*create_buffer)(struct wayland_display *display,
>>>                                       struct wayland_surface *surface,
>>>                                       enum native_attachment attachment);
>>> --
>>> 1.7.5.4
>>>
>>>
>>
>
>
>
> --
> olv at LunarG.com
>



-- 
olv at LunarG.com


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