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	output: Drop wlr_output_attach_render
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					 3 changed files with 17 additions and 33 deletions
				
			
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					@ -120,9 +120,8 @@ struct wlr_render_pass;
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 * The `frame` event will be emitted when it is a good time for the compositor
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					 * The `frame` event will be emitted when it is a good time for the compositor
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 * to submit a new frame.
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					 * to submit a new frame.
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 *
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					 *
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 * To render a new frame, compositors should call wlr_output_attach_render(),
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					 * To render a new frame, compositors should call wlr_output_begin_render_pass(),
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 * render and call wlr_output_commit(). No rendering should happen outside a
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					 * perform rendering on that render pass and finally call wlr_output_commit().
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 * `frame` event handler or before wlr_output_attach_render().
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 */
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					 */
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struct wlr_output {
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					struct wlr_output {
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	const struct wlr_output_impl *impl;
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						const struct wlr_output_impl *impl;
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					@ -18,8 +18,8 @@
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 * An output layer.
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					 * An output layer.
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 *
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					 *
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 * Output layers are displayed between the output primary buffer (see
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					 * Output layers are displayed between the output primary buffer (see
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 * wlr_output_attach_buffer() and wlr_output_attach_render()) and the cursor
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					 * wlr_output_attach_buffer()) and the cursor buffer. They can offload some
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 * buffer. They can offload some rendering work to the backend.
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					 * rendering work to the backend.
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 *
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					 *
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 * To configure output layers, callers should call wlr_output_layer_create() to
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					 * To configure output layers, callers should call wlr_output_layer_create() to
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 * create layers, attach struct wlr_output_layer_state onto
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					 * create layers, attach struct wlr_output_layer_state onto
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					@ -57,32 +57,6 @@ void output_clear_back_buffer(struct wlr_output *output) {
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	output->back_buffer = NULL;
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						output->back_buffer = NULL;
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}
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					}
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bool wlr_output_attach_render(struct wlr_output *output, int *buffer_age) {
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	assert(output->back_buffer == NULL);
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	if (!wlr_output_configure_primary_swapchain(output, &output->pending,
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			&output->swapchain)) {
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		return false;
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	}
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	struct wlr_renderer *renderer = output->renderer;
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	assert(renderer != NULL);
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	struct wlr_buffer *buffer =
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		wlr_swapchain_acquire(output->swapchain, buffer_age);
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	if (buffer == NULL) {
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		return false;
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	}
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	if (!renderer_bind_buffer(renderer, buffer)) {
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		wlr_buffer_unlock(buffer);
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		return false;
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	}
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	output->back_buffer = buffer;
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	return true;
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}
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static struct wlr_buffer *output_acquire_empty_buffer(struct wlr_output *output,
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					static struct wlr_buffer *output_acquire_empty_buffer(struct wlr_output *output,
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		const struct wlr_output_state *state) {
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							const struct wlr_output_state *state) {
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	assert(!(state->committed & WLR_OUTPUT_STATE_BUFFER));
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						assert(!(state->committed & WLR_OUTPUT_STATE_BUFFER));
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					@ -247,13 +221,24 @@ uint32_t wlr_output_preferred_read_format(struct wlr_output *output) {
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		return DRM_FORMAT_INVALID;
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							return DRM_FORMAT_INVALID;
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	}
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						}
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	if (!wlr_output_attach_render(output, NULL)) {
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						if (!wlr_output_configure_primary_swapchain(output, &output->pending, &output->swapchain)) {
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							return false;
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						}
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						struct wlr_buffer *buffer = wlr_swapchain_acquire(output->swapchain, NULL);
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						if (buffer == NULL) {
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							return false;
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						}
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						if (!wlr_renderer_begin_with_buffer(renderer, buffer)) {
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							wlr_buffer_unlock(buffer);
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		return false;
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							return false;
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	}
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						}
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	uint32_t fmt = renderer->impl->preferred_read_format(renderer);
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						uint32_t fmt = renderer->impl->preferred_read_format(renderer);
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	output_clear_back_buffer(output);
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						wlr_renderer_end(renderer);
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						wlr_buffer_unlock(buffer);
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	return fmt;
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						return fmt;
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}
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					}
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