From 55b855d8677903d955b3e9538e91882fb5264719 Mon Sep 17 00:00:00 2001 From: emersion Date: Sat, 2 Jun 2018 18:06:46 +0100 Subject: Add SWAY_DAMAGE_DEBUG Setting it to "rerender" will always re-render everything regardless of the damaged region. Setting it to "highlight" will clear the screen and render only damaged regions. --- sway/desktop/output.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/sway/desktop/output.c b/sway/desktop/output.c index 964cfe00..3fa586d0 100644 --- a/sway/desktop/output.c +++ b/sway/desktop/output.c @@ -846,11 +846,24 @@ static void render_output(struct sway_output *output, struct timespec *when, wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height); + bool damage_whole_before_swap = false; if (!pixman_region32_not_empty(damage)) { // Output isn't damaged but needs buffer swap goto renderer_end; } + const char *damage_debug = getenv("SWAY_DAMAGE_DEBUG"); + if (damage_debug != NULL) { + if (strcmp(damage_debug, "highlight") == 0) { + wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1}); + damage_whole_before_swap = true; + } else if (strcmp(damage_debug, "rerender") == 0) { + int width, height; + wlr_output_transformed_resolution(wlr_output, &width, &height); + pixman_region32_union_rect(damage, damage, 0, 0, width, height); + } + } + struct sway_container *workspace = output_get_active_workspace(output); if (workspace->sway_workspace->fullscreen) { @@ -905,6 +918,12 @@ renderer_end: wlr_output->transform_matrix, 0, 0, 1); } + if (damage_whole_before_swap || root_container.sway_root->debug_tree) { + int width, height; + wlr_output_transformed_resolution(wlr_output, &width, &height); + pixman_region32_union_rect(damage, damage, 0, 0, width, height); + } + wlr_renderer_scissor(renderer, NULL); wlr_renderer_end(renderer); if (!wlr_output_damage_swap_buffers(output->damage, when, damage)) { -- cgit v1.2.3-54-g00ecf