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Diffstat (limited to 'mesalib/src/mesa/main/transformfeedback.h')
-rw-r--r--mesalib/src/mesa/main/transformfeedback.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/transformfeedback.h b/mesalib/src/mesa/main/transformfeedback.h
index 01c2af359..c128746b3 100644
--- a/mesalib/src/mesa/main/transformfeedback.h
+++ b/mesalib/src/mesa/main/transformfeedback.h
@@ -25,9 +25,11 @@
#ifndef TRANSFORM_FEEDBACK_H
#define TRANSFORM_FEEDBACK_H
+#include <stdbool.h>
#include "compiler.h"
#include "glheader.h"
#include "mfeatures.h"
+#include "mtypes.h"
struct _glapi_table;
struct dd_function_table;
@@ -46,6 +48,11 @@ _mesa_validate_transform_feedback_buffers(struct gl_context *ctx);
extern void
_mesa_init_transform_feedback_functions(struct dd_function_table *driver);
+extern unsigned
+_mesa_compute_max_transform_feedback_vertices(
+ const struct gl_transform_feedback_object *obj,
+ const struct gl_transform_feedback_info *info);
+
/*** GL_EXT_transform_feedback ***/
@@ -106,4 +113,11 @@ _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;
+}
+
#endif /* TRANSFORM_FEEDBACK_H */