diff options
| -rw-r--r-- | src/mesa/main/arrayobj.c | 5 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 15 |
2 files changed, 15 insertions, 5 deletions
diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c index 46ccbdc085c..0b9592f7712 100644 --- a/src/mesa/main/arrayobj.c +++ b/src/mesa/main/arrayobj.c @@ -27,7 +27,10 @@ /** * \file arrayobj.c - * Functions for the GL_APPLE_vertex_array_object extension. + * + * Implementation of Vertex Array Objects (VAOs), from OpenGL 3.1+, + * the GL_ARB_vertex_array_object extension, or the older + * GL_APPLE_vertex_array_object extension. * * \todo * The code in this file borrows a lot from bufferobj.c. There's a certain diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 609c63f3617..5fc15af2d62 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1551,12 +1551,13 @@ struct gl_vertex_buffer_binding /** - * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object - * extension, but a nice encapsulation in any case. + * A representation of "Vertex Array Objects" (VAOs) from OpenGL 3.1+, + * GL_ARB_vertex_array_object, or the original GL_APPLE_vertex_array_object + * extension. */ struct gl_vertex_array_object { - /** Name of the array object as received from glGenVertexArrayAPPLE. */ + /** Name of the VAO as received from glGenVertexArray. */ GLuint Name; GLchar *Label; /**< GL_KHR_debug */ @@ -1584,7 +1585,12 @@ struct gl_vertex_array_object */ GLboolean EverBound; - /** Derived vertex attribute arrays */ + /** + * Derived vertex attribute arrays + * + * This is a legacy data structure created from gl_vertex_attrib_array and + * gl_vertex_buffer_binding, for compatibility with existing driver code. + */ struct gl_client_array _VertexAttrib[VERT_ATTRIB_MAX]; /** Vertex attribute arrays */ @@ -1605,6 +1611,7 @@ struct gl_vertex_array_object */ GLuint _MaxElement; + /** The index buffer (also known as the element array buffer in OpenGL). */ struct gl_buffer_object *IndexBufferObj; }; |