+
+/*** GL_ARB_transform_feedback2 ***/
+extern void
+_mesa_init_transform_feedback_object(struct gl_transform_feedback_object *obj,
+ GLuint name);
+
+struct gl_transform_feedback_object *
+_mesa_lookup_transform_feedback_object(struct gl_context *ctx, GLuint name);
+
+extern void GLAPIENTRY
+_mesa_GenTransformFeedbacks(GLsizei n, GLuint *names);
+
+extern GLboolean GLAPIENTRY
+_mesa_IsTransformFeedback(GLuint name);
+
+extern void GLAPIENTRY
+_mesa_BindTransformFeedback(GLenum target, GLuint name);
+
+extern void GLAPIENTRY
+_mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
+
+extern void GLAPIENTRY
+_mesa_PauseTransformFeedback(void);
+
+extern void GLAPIENTRY
+_mesa_ResumeTransformFeedback(void);
+
+static inline bool
+_mesa_is_xfb_active_and_unpaused(const struct gl_context *ctx)
+{
+ return ctx->TransformFeedback.CurrentObject->Active &&
+ !ctx->TransformFeedback.CurrentObject->Paused;
+}
+
+extern bool
+_mesa_transform_feedback_is_using_program(struct gl_context *ctx,
+ struct gl_shader_program *shProg);
+
+static inline void
+_mesa_set_transform_feedback_binding(struct gl_context *ctx,
+ struct gl_transform_feedback_object *tfObj, GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
+{
+ _mesa_reference_buffer_object(ctx, &tfObj->Buffers[index], bufObj);
+
+ tfObj->BufferNames[index] = bufObj->Name;
+ tfObj->Offset[index] = offset;
+ tfObj->RequestedSize[index] = size;
+}
+