+
+/*** 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 void GLAPIENTRY
+_mesa_CreateTransformFeedbacks(GLsizei n, GLuint *names);
+
+extern GLboolean GLAPIENTRY
+_mesa_IsTransformFeedback(GLuint name);
+
+void GLAPIENTRY
+_mesa_BindTransformFeedback_no_error(GLenum target, GLuint name);
+
+extern void GLAPIENTRY
+_mesa_BindTransformFeedback(GLenum target, GLuint name);
+
+extern void GLAPIENTRY
+_mesa_DeleteTransformFeedbacks(GLsizei n, const GLuint *names);
+
+void GLAPIENTRY
+_mesa_PauseTransformFeedback_no_error(void);
+
+extern void GLAPIENTRY
+_mesa_PauseTransformFeedback(void);
+
+void GLAPIENTRY
+_mesa_ResumeTransformFeedback_no_error(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;
+
+ if (bufObj != ctx->Shared->NullBufferObj)
+ bufObj->UsageHistory |= USAGE_TRANSFORM_FEEDBACK_BUFFER;
+}
+
+static inline void
+_mesa_bind_buffer_range_xfb(struct gl_context *ctx,
+ struct gl_transform_feedback_object *obj,
+ GLuint index, struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
+{
+ /* Note: no need to FLUSH_VERTICES or flag NewTransformFeedback, because
+ * transform feedback buffers can't be changed while transform feedback is
+ * active.
+ */
+
+ /* The general binding point */
+ _mesa_reference_buffer_object(ctx,
+ &ctx->TransformFeedback.CurrentBuffer,
+ bufObj);
+
+ /* The per-attribute binding point */
+ _mesa_set_transform_feedback_binding(ctx, obj, index, bufObj, offset, size);
+}
+
+/*** GL_ARB_direct_state_access ***/
+
+extern void GLAPIENTRY
+_mesa_TransformFeedbackBufferBase(GLuint xfb, GLuint index, GLuint buffer);
+
+extern void GLAPIENTRY
+_mesa_TransformFeedbackBufferRange(GLuint xfb, GLuint index, GLuint buffer,
+ GLintptr offset, GLsizeiptr size);
+
+extern void GLAPIENTRY
+_mesa_GetTransformFeedbackiv(GLuint xfb, GLenum pname, GLint *param);
+
+extern void GLAPIENTRY
+_mesa_GetTransformFeedbacki_v(GLuint xfb, GLenum pname, GLuint index,
+ GLint *param);
+
+extern void GLAPIENTRY
+_mesa_GetTransformFeedbacki64_v(GLuint xfb, GLenum pname, GLuint index,
+ GLint64 *param);
+