matrix: move to util/

wlr_matrix is not a standalone type like other headers in types/,
it's more of an internal utility. Move it to the appropriate place.

include/util/matrix.h

@@ -1,5 +1,5 @@
-#ifndef TYPES_WLR_MATRIX_H
+#ifndef UTIL_MATRIX_H
-#define TYPES_WLR_MATRIX_H
+#define UTIL_MATRIX_H
 
 #include <wayland-server-protocol.h>
 

render/gles2/pass.c

@@ -7,7 +7,7 @@
 #include <wlr/util/transform.h>
 #include "render/egl.h"
 #include "render/gles2.h"
-#include "types/wlr_matrix.h"
+#include "util/matrix.h"
 
 #define MAX_QUADS 86 // 4kb
 

render/gles2/renderer.c

@@ -18,7 +18,6 @@
 #include "render/egl.h"
 #include "render/gles2.h"
 #include "render/pixel_format.h"
-#include "types/wlr_matrix.h"
 #include "util/time.h"
 
 #include "common_vert_src.h"

render/vulkan/pass.c

@@ -8,7 +8,7 @@
 
 #include "render/color.h"
 #include "render/vulkan.h"
-#include "types/wlr_matrix.h"
+#include "util/matrix.h"
 
 static const struct wlr_render_pass_impl render_pass_impl;
 static const struct wlr_addon_interface vk_color_transform_impl;

render/vulkan/renderer.c

@@ -27,7 +27,6 @@
 #include "render/vulkan/shaders/quad.frag.h"
 #include "render/vulkan/shaders/output.frag.h"
 #include "types/wlr_buffer.h"
-#include "types/wlr_matrix.h"
 #include "util/time.h"
 
 // TODO:

types/meson.build

@@ -60,7 +60,6 @@ wlr_files += files(
 	'wlr_layer_shell_v1.c',
 	'wlr_linux_dmabuf_v1.c',
 	'wlr_linux_drm_syncobj_v1.c',
-	'wlr_matrix.c',
 	'wlr_output_layer.c',
 	'wlr_output_layout.c',
 	'wlr_output_management_v1.c',

util/matrix.c

@@ -2,7 +2,7 @@
 #include <wayland-server-protocol.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/util/box.h>
-#include "types/wlr_matrix.h"
+#include "util/matrix.h"
 
 void wlr_matrix_identity(float mat[static 9]) {
 	static const float identity[9] = {

util/meson.build

@@ -5,6 +5,7 @@ wlr_files += files(
 	'env.c',
 	'global.c',
 	'log.c',
+	'matrix.c',
 	'rect_union.c',
 	'region.c',
 	'set.c',