From 05dd08afe569083c24a1c0a416b7dc593a41c14b Mon Sep 17 00:00:00 2001 From: Alexander Orzechowski Date: Sun, 11 Jun 2023 10:22:55 -0400 Subject: [PATCH] scene: introduce wlr_scene_output_build_state() --- include/wlr/types/wlr_scene.h | 9 +++ types/scene/wlr_scene.c | 101 +++++++++++++++++++++++----------- 2 files changed, 77 insertions(+), 33 deletions(-) diff --git a/include/wlr/types/wlr_scene.h b/include/wlr/types/wlr_scene.h index 87cf4fc9..c1b6f130 100644 --- a/include/wlr/types/wlr_scene.h +++ b/include/wlr/types/wlr_scene.h @@ -39,6 +39,7 @@ struct wlr_scene_buffer; struct wlr_presentation; struct wlr_linux_dmabuf_v1; +struct wlr_output_state; typedef bool (*wlr_scene_buffer_point_accepts_input_func_t)( struct wlr_scene_buffer *buffer, int sx, int sy); @@ -444,10 +445,18 @@ void wlr_scene_output_destroy(struct wlr_scene_output *scene_output); */ void wlr_scene_output_set_position(struct wlr_scene_output *scene_output, int lx, int ly); + /** * Render and commit an output. */ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output); + +/** + * Render and populate given output state. + */ +bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output, + struct wlr_output_state *state); + /** * Call wlr_surface_send_frame_done() on all surfaces in the scene rendered by * wlr_scene_output_commit() for which wlr_scene_surface.primary_output diff --git a/types/scene/wlr_scene.c b/types/scene/wlr_scene.c index ae4557f8..b4d16056 100644 --- a/types/scene/wlr_scene.c +++ b/types/scene/wlr_scene.c @@ -14,6 +14,7 @@ #include #include #include "types/wlr_buffer.h" +#include "types/wlr_output.h" #include "types/wlr_scene.h" #include "util/array.h" #include "util/env.h" @@ -1464,7 +1465,7 @@ static void scene_buffer_send_dmabuf_feedback(const struct wlr_scene *scene, } static bool scene_buffer_can_consider_direct_scanout(struct wlr_scene_buffer *buffer, - const struct render_data *data) { + struct wlr_output_state *state, const struct render_data *data) { const struct wlr_scene_output *scene_output = data->output; struct wlr_scene_node *node = &buffer->node; @@ -1483,6 +1484,11 @@ static bool scene_buffer_can_consider_direct_scanout(struct wlr_scene_buffer *bu return false; } + if (state->committed & (WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_ENABLED)) { + // Legacy DRM will explode if we try to modeset with a direct scanout buffer + return false; + } + if (!wlr_output_is_direct_scanout_allowed(scene_output->output)) { return false; } @@ -1517,41 +1523,59 @@ static bool scene_buffer_can_consider_direct_scanout(struct wlr_scene_buffer *bu } static bool scene_buffer_try_direct_scanout(struct wlr_scene_buffer *buffer, - struct wlr_scene_output *scene_output) { - struct wlr_output_state state = { - .committed = WLR_OUTPUT_STATE_BUFFER, - .buffer = buffer->buffer, - }; + struct wlr_scene_output *scene_output, struct wlr_output_state *state) { + wlr_output_state_set_buffer(state, buffer->buffer); + + pixman_region32_t frame_damage; + get_frame_damage(scene_output, &frame_damage); + wlr_output_state_set_damage(state, &frame_damage); + pixman_region32_fini(&frame_damage); + + if (!wlr_output_test_state(scene_output->output, state)) { + // reset buffer and damage + state->committed &= ~(WLR_OUTPUT_STATE_BUFFER | WLR_OUTPUT_STATE_DAMAGE); + wlr_buffer_unlock(state->buffer); + pixman_region32_fini(&state->damage); - if (!wlr_output_test_state(scene_output->output, &state)) { return false; } wl_signal_emit_mutable(&buffer->events.output_present, scene_output); + return true; +} - state.committed |= WLR_OUTPUT_STATE_DAMAGE; - get_frame_damage(scene_output, &state.damage); - bool ok = wlr_output_commit_state(scene_output->output, &state); - pixman_region32_fini(&state.damage); - if (!ok) { +bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { + if (!scene_output->output->needs_frame && !pixman_region32_not_empty( + &scene_output->damage_ring.current)) { + return true; + } + + struct wlr_output_state state = {0}; + if (!wlr_scene_output_build_state(scene_output, &state)) { return false; } - wlr_damage_ring_rotate(&scene_output->damage_ring); + bool success = wlr_output_commit_state(scene_output->output, &state); + wlr_output_state_finish(&state); - return true; + if (success) { + wlr_damage_ring_rotate(&scene_output->damage_ring); + } + + return success; } -bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { +bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output, + struct wlr_output_state *state) { + if ((state->committed & WLR_OUTPUT_STATE_ENABLED) && !state->enabled) { + // if the state is being disabled, do nothing. + return true; + } + struct wlr_output *output = scene_output->output; enum wlr_scene_debug_damage_option debug_damage = scene_output->scene->debug_damage_option; - if (!output->needs_frame && !pixman_region32_not_empty( - &scene_output->damage_ring.current)) { - return true; - } - struct render_data render_data = { .transform = output->transform, .scale = output->scale, @@ -1559,9 +1583,26 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { .output = scene_output, }; - wlr_output_effective_resolution(output, + output_pending_resolution(output, state, &render_data.logical.width, &render_data.logical.height); + if (state->committed & WLR_OUTPUT_STATE_TRANSFORM) { + render_data.transform = state->transform; + } + + if (state->committed & WLR_OUTPUT_STATE_SCALE) { + render_data.scale = state->scale; + } + + if (render_data.transform & WL_OUTPUT_TRANSFORM_90) { + int tmp = render_data.logical.width; + render_data.logical.width = render_data.logical.height; + render_data.logical.height = tmp; + } + + render_data.logical.width /= render_data.scale; + render_data.logical.height /= render_data.scale; + struct render_list_constructor_data list_con = { .box = render_data.logical, .render_list = &scene_output->render_list, @@ -1587,7 +1628,7 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { if (node->type == WLR_SCENE_NODE_BUFFER) { struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node); - if (scene_buffer_can_consider_direct_scanout(buffer, &render_data)) { + if (scene_buffer_can_consider_direct_scanout(buffer, state, &render_data)) { if (buffer->primary_output == scene_output) { struct wlr_linux_dmabuf_feedback_v1_init_options options = { .main_renderer = output->renderer, @@ -1598,7 +1639,7 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { sent_direct_scanout_feedback = true; } - scanout = scene_buffer_try_direct_scanout(buffer, scene_output); + scanout = scene_buffer_try_direct_scanout(buffer, scene_output, state); } } } @@ -1660,7 +1701,7 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { pixman_region32_fini(&acc_damage); } - if (!wlr_output_configure_primary_swapchain(output, NULL, &output->swapchain)) { + if (!wlr_output_configure_primary_swapchain(output, state, &output->swapchain)) { return false; } @@ -1770,26 +1811,20 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { return false; } - wlr_output_attach_buffer(output, buffer); + wlr_output_state_set_buffer(state, buffer); wlr_buffer_unlock(buffer); pixman_region32_t frame_damage; get_frame_damage(scene_output, &frame_damage); - wlr_output_set_damage(output, &frame_damage); + wlr_output_state_set_damage(state, &frame_damage); pixman_region32_fini(&frame_damage); - bool success = wlr_output_commit(output); - - if (success) { - wlr_damage_ring_rotate(&scene_output->damage_ring); - } - if (debug_damage == WLR_SCENE_DEBUG_DAMAGE_HIGHLIGHT && !wl_list_empty(&scene_output->damage_highlight_regions)) { wlr_output_schedule_frame(scene_output->output); } - return success; + return true; } static void scene_node_send_frame_done(struct wlr_scene_node *node,