From e30e5c0f8d3c118ac4e8120dd48cc76954b0a940 Mon Sep 17 00:00:00 2001
From: Marcus Fritzsch <marcus_fritzsch@mentor.com>
Date: Wed, 30 Aug 2017 14:45:28 +0200
Subject: wayland: honor output transformations

At least rotations by 90 and 270 degrees.

Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>
---
 src/wayland.cpp | 6 ++++++
 src/wayland.hpp | 1 +
 2 files changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/wayland.cpp b/src/wayland.cpp
index 672dab0..01ac275 100644
--- a/src/wayland.cpp
+++ b/src/wayland.cpp
@@ -136,6 +136,7 @@ void output::geometry(int32_t x, int32_t y, int32_t pw, int32_t ph,
    logdebug(
       "wl::output %s @ %p x %i y %i w %i h %i spel %x make %s model %s tx %i",
       __func__, this->proxy.get(), x, y, pw, ph, subpel, make, model, tx);
+   this->transform = tx;
 }
 
 void output::mode(uint32_t flags, int32_t w, int32_t h, int32_t r) {
@@ -150,6 +151,11 @@ void output::mode(uint32_t flags, int32_t w, int32_t h, int32_t r) {
 
 void output::done() {
    logdebug("wl::output %s @ %p done", __func__, this->proxy.get());
+   // Let's just disregard the flipped ones...
+   if (this->transform == WL_OUTPUT_TRANSFORM_90 ||
+       this->transform == WL_OUTPUT_TRANSFORM_270) {
+      std::swap(this->width, this->height);
+   }
 }
 
 void output::scale(int32_t factor) {
diff --git a/src/wayland.hpp b/src/wayland.hpp
index d30c2f8..256553d 100644
--- a/src/wayland.hpp
+++ b/src/wayland.hpp
@@ -109,6 +109,7 @@ struct output : wayland_proxy<struct wl_output> {
    int width{};
    int height{};
    int refresh{};
+   int transform{};
 
    output(output const &) = delete;
    output &operator=(output const &) = delete;
-- 
cgit