cogl: Move TextureVertex to Clutter

The type is only used in ClutterDeformEffect, so move it there

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3895>

clutter/clutter/clutter-deform-effect.c

@@ -103,7 +103,7 @@ static void
 clutter_deform_effect_real_deform_vertex (ClutterDeformEffect  *effect,
                                           gfloat                width,
                                           gfloat                height,
-                                          CoglTextureVertex   *vertex)
+                                          ClutterTextureVertex *vertex)
 {
   g_warning ("%s: Deformation effect of type '%s' does not implement "
              "the required ClutterDeformEffect::deform_vertex virtual "
@@ -116,7 +116,7 @@ static void
 clutter_deform_effect_deform_vertex (ClutterDeformEffect  *effect,
                                      gfloat                width,
                                      gfloat                height,
-                                     CoglTextureVertex   *vertex)
+                                     ClutterTextureVertex *vertex)
 {
   CLUTTER_DEFORM_EFFECT_GET_CLASS (effect)->deform_vertex (effect,
                                                            width, height,
@@ -218,7 +218,7 @@ clutter_deform_effect_paint_target (ClutterOffscreenEffect *effect,
           for (j = 0; j < priv->x_tiles + 1; j++)
             {
               CoglVertexP3T2C4 *vertex_out;
-              CoglTextureVertex vertex;
+              ClutterTextureVertex vertex;
 
               /* CoglTextureVertex isn't an ideal structure to use for
                  this because it contains a CoglColor. The internal

clutter/clutter/clutter-deform-effect.h

@@ -35,6 +35,28 @@ G_BEGIN_DECLS
 
 #define CLUTTER_TYPE_DEFORM_EFFECT              (clutter_deform_effect_get_type ())
 
+
+/**
+ * ClutterTextureVertex:
+ * @x: Model x-coordinate
+ * @y: Model y-coordinate
+ * @z: Model z-coordinate
+ * @tx: Texture x-coordinate
+ * @ty: Texture y-coordinate
+ * @color: The color to use at this vertex. This is ignored if
+ *   use_color is %FALSE when calling cogl_polygon()
+ *
+ * Used to specify vertex information when calling cogl_polygon()
+ */
+typedef struct _ClutterTextureVertex
+{
+  float x, y, z;
+  float tx, ty;
+
+  CoglColor color;
+} ClutterTextureVertex;
+G_STATIC_ASSERT (sizeof (ClutterTextureVertex) == 24);
+
 CLUTTER_EXPORT
 G_DECLARE_DERIVABLE_TYPE (ClutterDeformEffect,
                           clutter_deform_effect,
@@ -59,7 +81,7 @@ struct _ClutterDeformEffectClass
   void (* deform_vertex) (ClutterDeformEffect  *effect,
                           gfloat                width,
                           gfloat                height,
-                          CoglTextureVertex   *vertex);
+                          ClutterTextureVertex *vertex);
 };
 
 CLUTTER_EXPORT

clutter/clutter/clutter-page-turn-effect.c

@@ -73,7 +73,7 @@ static void
 clutter_page_turn_effect_deform_vertex (ClutterDeformEffect  *effect,
                                         gfloat                width,
                                         gfloat                height,
-                                        CoglTextureVertex   *vertex)
+                                        ClutterTextureVertex *vertex)
 {
   ClutterPageTurnEffect *self = CLUTTER_PAGE_TURN_EFFECT (effect);
   gfloat cx, cy, rx, ry, radians, turn_angle;

cogl/cogl/cogl-types.h

@@ -56,24 +56,9 @@ G_BEGIN_DECLS
 #define COGL_PRIVATE(x) private_member_ ## x
 #endif
 
-#ifndef __GI_SCANNER__
-/* To help catch accidental changes to public structs that should
- * be stack allocated we use this macro to compile time assert that
- * a struct size is as expected.
- */
-#define COGL_STRUCT_SIZE_ASSERT(TYPE, SIZE) \
-typedef struct { \
-          char compile_time_assert_ ## TYPE ## _size[ \
-              (sizeof (TYPE) == (SIZE)) ? 1 : -1]; \
-        } _ ## TYPE ## SizeCheck
-#else
-#define COGL_STRUCT_SIZE_ASSERT(TYPE, SIZE)
-#endif
-
 typedef struct _CoglFramebuffer CoglFramebuffer;
 
 typedef struct _CoglColor               CoglColor;
-typedef struct _CoglTextureVertex       CoglTextureVertex;
 
 /**
  * CoglDmaBufHandle: (free-func cogl_dma_buf_handle_free)
@@ -101,27 +86,6 @@ struct _CoglColor
   uint8_t alpha;
 };
 
-/**
- * CoglTextureVertex:
- * @x: Model x-coordinate
- * @y: Model y-coordinate
- * @z: Model z-coordinate
- * @tx: Texture x-coordinate
- * @ty: Texture y-coordinate
- * @color: The color to use at this vertex. This is ignored if
- *   use_color is %FALSE when calling cogl_polygon()
- *
- * Used to specify vertex information when calling cogl_polygon()
- */
-struct _CoglTextureVertex
-{
-  float x, y, z;
-  float tx, ty;
-
-  CoglColor color;
-};
-COGL_STRUCT_SIZE_ASSERT (CoglTextureVertex, 24);
-
 /**
  * COGL_BLEND_STRING_ERROR:
  *