mesa: rename some vars in arrayobj.c

Use 'vao' instead of 'obj' to be consistent with other code.
Plus, add a comment.

Reviewed-by: Mathias Fröhlich <mathias.froehlich@web.de>

diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c
index 2d3b69cd8de3a81e16e3d633dca9789ff4e21d00..fe11686c1fb93d711a08b040a2b43922f1be0389 100644 (file)
--- a/src/mesa/main/arrayobj.c
+++ b/src/mesa/main/arrayobj.c
@@ -223,13 +223,20 @@ _mesa_reference_vao_(struct gl_context *ctx,
 }
 
 
-
+/**
+ * Initialize attribtes of a vertex array within a vertex array object.
+ * \param vao  the container vertex array object
+ * \param index  which array in the VAO to initialize
+ * \param size  number of components (1, 2, 3 or 4) per attribute
+ * \param type  datatype of the attribute (GL_FLOAT, GL_INT, etc).
+ */
 static void
 init_array(struct gl_context *ctx,
-           struct gl_vertex_array_object *obj, GLuint index, GLint size, GLint type)
+           struct gl_vertex_array_object *vao,
+           GLuint index, GLint size, GLint type)
 {
-   struct gl_vertex_attrib_array *array = &obj->VertexAttrib[index];
-   struct gl_vertex_buffer_binding *binding = &obj->VertexBinding[index];
+   struct gl_vertex_attrib_array *array = &vao->VertexAttrib[index];
+   struct gl_vertex_buffer_binding *binding = &vao->VertexBinding[index];
 
    array->Size = size;
    array->Type = type;
@@ -260,47 +267,47 @@ init_array(struct gl_context *ctx,
  */
 void
 _mesa_initialize_vao(struct gl_context *ctx,
-                     struct gl_vertex_array_object *obj,
+                     struct gl_vertex_array_object *vao,
                      GLuint name)
 {
    GLuint i;
 
-   obj->Name = name;
+   vao->Name = name;
 
-   mtx_init(&obj->Mutex, mtx_plain);
-   obj->RefCount = 1;
+   mtx_init(&vao->Mutex, mtx_plain);
+   vao->RefCount = 1;
 
    /* Init the individual arrays */
-   for (i = 0; i < ARRAY_SIZE(obj->VertexAttrib); i++) {
+   for (i = 0; i < ARRAY_SIZE(vao->VertexAttrib); i++) {
       switch (i) {
       case VERT_ATTRIB_WEIGHT:
-         init_array(ctx, obj, VERT_ATTRIB_WEIGHT, 1, GL_FLOAT);
+         init_array(ctx, vao, VERT_ATTRIB_WEIGHT, 1, GL_FLOAT);
          break;
       case VERT_ATTRIB_NORMAL:
-         init_array(ctx, obj, VERT_ATTRIB_NORMAL, 3, GL_FLOAT);
+         init_array(ctx, vao, VERT_ATTRIB_NORMAL, 3, GL_FLOAT);
          break;
       case VERT_ATTRIB_COLOR1:
-         init_array(ctx, obj, VERT_ATTRIB_COLOR1, 3, GL_FLOAT);
+         init_array(ctx, vao, VERT_ATTRIB_COLOR1, 3, GL_FLOAT);
          break;
       case VERT_ATTRIB_FOG:
-         init_array(ctx, obj, VERT_ATTRIB_FOG, 1, GL_FLOAT);
+         init_array(ctx, vao, VERT_ATTRIB_FOG, 1, GL_FLOAT);
          break;
       case VERT_ATTRIB_COLOR_INDEX:
-         init_array(ctx, obj, VERT_ATTRIB_COLOR_INDEX, 1, GL_FLOAT);
+         init_array(ctx, vao, VERT_ATTRIB_COLOR_INDEX, 1, GL_FLOAT);
          break;
       case VERT_ATTRIB_EDGEFLAG:
-         init_array(ctx, obj, VERT_ATTRIB_EDGEFLAG, 1, GL_BOOL);
+         init_array(ctx, vao, VERT_ATTRIB_EDGEFLAG, 1, GL_BOOL);
          break;
       case VERT_ATTRIB_POINT_SIZE:
-         init_array(ctx, obj, VERT_ATTRIB_POINT_SIZE, 1, GL_FLOAT);
+         init_array(ctx, vao, VERT_ATTRIB_POINT_SIZE, 1, GL_FLOAT);
          break;
       default:
-         init_array(ctx, obj, i, 4, GL_FLOAT);
+         init_array(ctx, vao, i, 4, GL_FLOAT);
          break;
       }
    }
 
-   _mesa_reference_buffer_object(ctx, &obj->IndexBufferObj,
+   _mesa_reference_buffer_object(ctx, &vao->IndexBufferObj,
                                  ctx->Shared->NullBufferObj);
 }
 
@@ -309,11 +316,11 @@ _mesa_initialize_vao(struct gl_context *ctx,
  * Add the given array object to the array object pool.
  */
 static void
-save_array_object( struct gl_context *ctx, struct gl_vertex_array_object *obj )
+save_array_object(struct gl_context *ctx, struct gl_vertex_array_object *vao)
 {
-   if (obj->Name > 0) {
+   if (vao->Name > 0) {
       /* insert into hash table */
-      _mesa_HashInsert(ctx->Array.Objects, obj->Name, obj);
+      _mesa_HashInsert(ctx->Array.Objects, vao->Name, vao);
    }
 }
 
@@ -323,11 +330,11 @@ save_array_object( struct gl_context *ctx, struct gl_vertex_array_object *obj )
  * Do not deallocate the array object though.
  */
 static void
-remove_array_object( struct gl_context *ctx, struct gl_vertex_array_object *obj )
+remove_array_object(struct gl_context *ctx, struct gl_vertex_array_object *vao)
 {
-   if (obj->Name > 0) {
+   if (vao->Name > 0) {
       /* remove from hash table */
-      _mesa_HashRemove(ctx->Array.Objects, obj->Name);
+      _mesa_HashRemove(ctx->Array.Objects, vao->Name);
    }
 }