doc: Fix various mismatches between arguments and their documentation

Argument names and @$arg suffered from various little mismatches, fix
them in a batch commit.

(cherry picked from commit d2ac3c5a88d980e7519c98bd261111b93cf73a6e)

cogl/cogl-display.h

@@ -160,6 +160,7 @@ cogl_display_setup (CoglDisplay *display,
 /**
  * cogl_gdl_display_set_plane:
  * @display: a #CoglDisplay
+ * @plane: the GDL plane id
  *
  * Request that Cogl output to a specific GDL overlay @plane.
  *

cogl/cogl-euler.h

@@ -204,7 +204,7 @@ cogl_euler_init_from_quaternion (CoglEuler *euler,
 /**
  * cogl_euler_equal:
  * @v1: The first euler angle to compare
- * @v1: The second euler angle to compare
+ * @v2: The second euler angle to compare
  *
  * Compares the two given euler angles @v1 and @v1 and it they are
  * equal returns %TRUE else %FALSE.

cogl/cogl-framebuffer.h

@@ -620,11 +620,9 @@ cogl_framebuffer_push_path_clip (CoglFramebuffer *framebuffer,
  *             bounds
  * @bounds_y1: y coordinate for the top-left corner of the primitives
  *             bounds
- * @bounds_x2: x coordinate for the top-left corner of the primitives
- *             bounds
- * @bounds_y2: x coordinate for the bottom-right corner of the
+ * @bounds_x2: x coordinate for the bottom-right corner of the
  *             primitives bounds.
- * @bounds_x1: y coordinate for the bottom-right corner of the
+ * @bounds_y2: y coordinate for the bottom-right corner of the
  *             primitives bounds.
  *
  * Sets a new clipping area using a 2D shaped described with a
@@ -1525,8 +1523,8 @@ cogl_framebuffer_draw_multitextured_rectangle (CoglFramebuffer *framebuffer,
 void
 cogl_framebuffer_draw_rectangles (CoglFramebuffer *framebuffer,
                                   CoglPipeline *pipeline,
-                                  const float *verts,
-                                  unsigned int n_rects);
+                                  const float *coordinates,
+                                  unsigned int n_rectangles);
 
 /**
  * cogl_framebuffer_draw_textured_rectangles:

cogl/cogl-gles2.h

@@ -283,6 +283,10 @@ cogl_gles2_get_current_vtable (void);
  *             cogl_gles2_context_new()
  * @handle: An OpenGL ES 2.0 texture handle created with
  *          glGenTextures()
+ * @width: Width of the texture to allocate
+ * @height: Height of the texture to allocate
+ * @internal_format: The format of the texture
+ * @error: A #CoglError for exceptions
  *
  * Creates a #CoglTexture2D from an OpenGL ES 2.0 texture handle that
  * was created within the given @gles2_ctx via glGenTextures(). The
@@ -311,6 +315,7 @@ cogl_gles2_texture_2d_new_from_handle (CoglContext *ctx,
 
 /**
  * cogl_gles2_texture_get_handle:
+ * @texture: A #CoglTexture
  * @handle: A return location for an OpenGL ES 2.0 texture handle
  * @target: A return location for an OpenGL ES 2.0 texture target
  *

cogl/cogl-onscreen.h

@@ -69,6 +69,7 @@ typedef void (*CoglOnscreenX11MaskCallback) (CoglOnscreen *onscreen,
  * @xid: The XID of an existing X window
  * @update: A callback that notifies of updates to what Cogl requires
  *          to be in the core X protocol event mask.
+ * @user_data: user data passed to @update
  *
  * Ideally we would recommend that you let Cogl be responsible for
  * creating any X window required to back an onscreen framebuffer but

cogl/cogl-pipeline-layer-state.h

@@ -172,7 +172,7 @@ cogl_pipeline_set_layer_texture (CoglPipeline *pipeline,
 void
 cogl_pipeline_set_layer_null_texture (CoglPipeline *pipeline,
                                       int layer_index,
-                                      CoglTextureType texure_type);
+                                      CoglTextureType texture_type);
 
 /**
  * cogl_pipeline_get_layer_texture:

cogl/cogl-pipeline-state.h

@@ -712,6 +712,8 @@ cogl_pipeline_get_cull_face_mode (CoglPipeline *pipeline);
 
 /**
  * cogl_pipeline_set_front_face_winding:
+ * @pipeline: a #CoglPipeline
+ * @front_winding: the winding order
  *
  * The order of the vertices within a primitive specifies whether it
  * is considered to be front or back facing. This function specifies
@@ -729,7 +731,8 @@ cogl_pipeline_set_front_face_winding (CoglPipeline *pipeline,
                                       CoglWinding front_winding);
 
 /**
- * cogl_pipeline_set_front_face_winding:
+ * cogl_pipeline_get_front_face_winding:
+ * @pipeline: a #CoglPipeline
  *
  * The order of the vertices within a primitive specifies whether it
  * is considered to be front or back facing. This function specifies
@@ -739,6 +742,8 @@ cogl_pipeline_set_front_face_winding (CoglPipeline *pipeline,
  * %COGL_WINDING_CLOCKWISE sets them to be clockwise. The default is
  * %COGL_WINDING_COUNTER_CLOCKWISE.
  *
+ * Returns: The @pipeline front face winding
+ *
  * Status: Unstable
  * Since: 2.0
  */

cogl/cogl-primitive.h

@@ -218,7 +218,7 @@ typedef struct
  * cogl_primitive_new:
  * @mode: A #CoglVerticesMode defining how to draw the vertices
  * @n_vertices: The number of vertices to process when drawing
- * @Varargs: A %NULL terminated list of attributes
+ * @...: A %NULL terminated list of attributes
  *
  * Combines a set of #CoglAttribute<!-- -->s with a specific draw @mode
  * and defines a vertex count so a #CoglPrimitive object can be retained and
@@ -744,8 +744,8 @@ cogl_primitive_set_mode (CoglPrimitive *primitive,
 /**
  * cogl_primitive_set_attributes:
  * @primitive: A #CoglPrimitive object
- * @attributes: A %NULL terminated array of #CoglAttribute
- *              pointers
+ * @attributes: an array of #CoglAttribute pointers
+ * @n_attributes: the number of elements in @attributes
  *
  * Replaces all the attributes of the given #CoglPrimitive object.
  *

cogl/cogl-quaternion.c

@@ -633,10 +633,6 @@ cogl_quaternion_nlerp (CoglQuaternion *result,
   cogl_quaternion_normalize (result);
 }
 
-/**
- * cogl_quaternion_squad:
- *
- */
 void
 cogl_quaternion_squad (CoglQuaternion *result,
                        const CoglQuaternion *prev,

cogl/cogl-quaternion.h

@@ -165,6 +165,7 @@ cogl_quaternion_init (CoglQuaternion *quaternion,
 /**
  * cogl_quaternion_init_from_angle_vector:
  * @quaternion: An uninitialized #CoglQuaternion
+ * @angle: The angle to rotate around @axis3f
  * @axis3f: your 3 component axis vector about which you want to rotate.
  *
  * Initializes a quaternion that rotates @angle degrees around the
@@ -343,7 +344,7 @@ cogl_quaternion_get_rotation_angle (const CoglQuaternion *quaternion);
 /**
  * cogl_quaternion_get_rotation_axis:
  * @quaternion: A #CoglQuaternion
- *
+ * @vector3: (out): an allocated 3-float array
  *
  * Since: 2.0
  */
@@ -407,6 +408,7 @@ cogl_quaternion_multiply (CoglQuaternion *result,
 /**
  * cogl_quaternion_pow:
  * @quaternion: A #CoglQuaternion
+ * @exponent: the exponent
  *
  *
  * Since: 2.0
@@ -416,6 +418,11 @@ cogl_quaternion_pow (CoglQuaternion *quaternion, float exponent);
 
 /**
  * cogl_quaternion_slerp:
+ * @result: The destination #CoglQuaternion
+ * @a: The first #CoglQuaternion
+ * @b: The second #CoglQuaternion
+ * @t: The factor in the range [0,1] used to interpolate between
+ * quaternion @a and @b.
  *
  * Performs a spherical linear interpolation between two quaternions.
  *
@@ -483,6 +490,13 @@ cogl_quaternion_nlerp (CoglQuaternion *result,
                        float t);
 /**
  * cogl_quaternion_squad:
+ * @result: The destination #CoglQuaternion
+ * @prev: A #CoglQuaternion used before @a
+ * @a: The first #CoglQuaternion
+ * @b: The second #CoglQuaternion
+ * @next: A #CoglQuaternion that will be used after @b
+ * @t: The factor in the range [0,1] used to interpolate between
+ * quaternion @a and @b.
  *
  *
  * Since: 2.0

cogl/cogl-sub-texture.h

@@ -49,7 +49,7 @@ typedef struct _CoglSubTexture CoglSubTexture;
 
 /**
  * cogl_sub_texture_new:
- * @context: A #CoglContext pointer
+ * @ctx: A #CoglContext pointer
  * @parent_texture: The full texture containing a sub-region you want
  *                  to make a #CoglSubTexture from.
  * @sub_x: The top-left x coordinate of the parent region to make

cogl/cogl-texture-rectangle.h

@@ -78,7 +78,7 @@ cogl_is_texture_rectangle (void *object);
 
 /**
  * cogl_texture_rectangle_new_with_size:
- * @context: A #CoglContext pointer
+ * @ctx: A #CoglContext pointer
  * @width: The texture width to allocate
  * @height: The texture height to allocate
  * @internal_format: The desired internal texture format

cogl/cogl-wayland-renderer.h

@@ -63,7 +63,6 @@ cogl_wayland_renderer_set_foreign_display (CoglRenderer *renderer,
 /**
  * cogl_wayland_renderer_get_display:
  * @renderer: A #CoglRenderer
- * @display: A Wayland display
  *
  * Retrieves the Wayland display that Cogl is using. If a foreign
  * display has been specified using