matrix: remove wlr_matrix_projection()

69477051cc ("matrix: deprecate wlr_matrix_projection") marked it
as deprecated. 1 year later, we can now remove it from our public
API.

include/types/wlr_matrix.h

@@ -0,0 +1,15 @@
+#ifndef TYPES_WLR_MATRIX_H
+#define TYPES_WLR_MATRIX_H
+
+#include <wlr/types/wlr_matrix.h>
+
+/**
+ * Writes a 2D orthographic projection matrix to mat of (width, height) with a
+ * specified wl_output_transform.
+ *
+ * Equivalent to glOrtho(0, width, 0, height, 1, -1) with the transform applied.
+ */
+void matrix_projection(float mat[static 9], int width, int height,
+	enum wl_output_transform transform);
+
+#endif

include/wlr/types/wlr_matrix.h

@@ -43,14 +43,6 @@ void wlr_matrix_rotate(float mat[static 9], float rad);
 void wlr_matrix_transform(float mat[static 9],
 	enum wl_output_transform transform);
 
-/** Writes a 2D orthographic projection matrix to mat of (width, height) with a
- *  specified wl_output_transform.
- *
- *  Deprecated: this function is deprecated and will be removed in a future
- *  version of wlroots. */
-void wlr_matrix_projection(float mat[static 9], int width, int height,
-	enum wl_output_transform transform);
-
 /** Shortcut for the various matrix operations involved in projecting the
  *  specified wlr_box onto a given orthographic projection with a given
  *  rotation. The result is written to mat, which can be applied to each

render/gles2/renderer.c

@@ -17,6 +17,7 @@
 #include "render/egl.h"
 #include "render/gles2.h"
 #include "render/pixel_format.h"
+#include "types/wlr_matrix.h"
 
 static const GLfloat verts[] = {
 	1, 0, // top right
@@ -203,7 +204,7 @@ static void gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
 	renderer->viewport_height = height;
 
 	// refresh projection matrix
-	wlr_matrix_projection(renderer->projection, width, height,
+	matrix_projection(renderer->projection, width, height,
 		WL_OUTPUT_TRANSFORM_FLIPPED_180);
 
 	glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);

render/vulkan/renderer.c

@@ -23,6 +23,7 @@
 #include "render/vulkan/shaders/texture.frag.h"
 #include "render/vulkan/shaders/quad.frag.h"
 #include "types/wlr_buffer.h"
+#include "types/wlr_matrix.h"
 
 // TODO:
 // - simplify stage allocation, don't track allocations but use ringbuffer-like
@@ -564,9 +565,9 @@ static void vulkan_begin(struct wlr_renderer *wlr_renderer,
 	vkCmdSetScissor(cb, 0, 1, &rect);
 
 	// Refresh projection matrix.
-	// wlr_matrix_projection assumes a GL corrdinate system so we need
+	// matrix_projection() assumes a GL coordinate system so we need
 	// to pass WL_OUTPUT_TRANSFORM_FLIPPED_180 to adjust it for vulkan.
-	wlr_matrix_projection(renderer->projection, width, height,
+	matrix_projection(renderer->projection, width, height,
 		WL_OUTPUT_TRANSFORM_FLIPPED_180);
 
 	renderer->render_width = width;

types/wlr_matrix.c

@@ -4,6 +4,7 @@
 #include <wlr/types/wlr_matrix.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/util/box.h>
+#include "types/wlr_matrix.h"
 
 void wlr_matrix_identity(float mat[static 9]) {
 	static const float identity[9] = {
@@ -117,8 +118,7 @@ void wlr_matrix_transform(float mat[static 9],
 	wlr_matrix_multiply(mat, mat, transforms[transform]);
 }
 
-// Equivalent to glOrtho(0, width, 0, height, 1, -1) with the transform applied
-void wlr_matrix_projection(float mat[static 9], int width, int height,
+void matrix_projection(float mat[static 9], int width, int height,
 		enum wl_output_transform transform) {
 	memset(mat, 0, sizeof(*mat) * 9);