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https://gitlab.freedesktop.org/wayland/weston
synced 2024-09-06 18:05:39 +00:00
drm-backend: add support to output capture writeback source
With this change, we expose the DRM-backend writeback source through the output capture interface, making it available to clients. For now we'll always fail writeback screenshots requests, because we still don't have the writeback screenshooter implementation on the DRM-backend. We add that in the following commits. Signed-off-by: Leandro Ribeiro <leandro.ribeiro@collabora.com>
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@ -444,6 +444,26 @@ drm_output_render(struct drm_output_state *state, pixman_region32_t *damage)
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pixman_region32_fini(&scanout_damage);
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}
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static void
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drm_output_pick_writeback_capture_task(struct drm_output *output)
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{
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struct weston_capture_task *ct;
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const char *msg = "drm: writeback screenshot not supported yet";
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int32_t width = output->base.current_mode->width;
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int32_t height = output->base.current_mode->height;
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uint32_t format = output->format->format;
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ct = weston_output_pull_capture_task(&output->base,
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WESTON_OUTPUT_CAPTURE_SOURCE_WRITEBACK,
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width, height, pixel_format_get_info(format));
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if (!ct)
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return;
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assert(output->device->atomic_modeset);
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weston_capture_task_retire_failed(ct, msg);
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}
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static int
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drm_output_repaint(struct weston_output *output_base, pixman_region32_t *damage)
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{
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@ -482,6 +502,8 @@ drm_output_repaint(struct weston_output *output_base, pixman_region32_t *damage)
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if (drm_output_ensure_hdr_output_metadata_blob(output) < 0)
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goto err;
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drm_output_pick_writeback_capture_task(output);
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drm_output_render(state, damage);
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scanout_state = drm_output_state_get_plane(state,
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output->scanout_plane);
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@ -792,6 +814,13 @@ drm_output_apply_mode(struct drm_output *output)
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}
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}
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if (device->atomic_modeset && !output->base.disable_planes)
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weston_output_update_capture_info(&output->base,
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WESTON_OUTPUT_CAPTURE_SOURCE_WRITEBACK,
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output->base.current_mode->width,
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output->base.current_mode->height,
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pixel_format_get_info(output->format->format));
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return 0;
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}
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@ -1967,6 +1996,12 @@ drm_output_enable(struct weston_output *base)
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output->base.switch_mode = drm_output_switch_mode;
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output->base.set_gamma = drm_output_set_gamma;
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if (device->atomic_modeset && !base->disable_planes)
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weston_output_update_capture_info(base, WESTON_OUTPUT_CAPTURE_SOURCE_WRITEBACK,
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base->current_mode->width,
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base->current_mode->height,
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pixel_format_get_info(output->format->format));
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weston_log("Output %s (crtc %d) video modes:\n",
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output->base.name, output->crtc->crtc_id);
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drm_output_print_modes(output);
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