Implementors of this interface provide ability to render only
to damaged regions on the framebuffer.
Signed-off-by: Harish Krupo <harish.krupo....@intel.com>
---
include/GL/internal/dri_interface.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/include/GL/internal/dri_interface.h
b/include/GL/internal/dri_interface.h
index c32cdd3767..c4da3fd18a 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -83,6 +83,7 @@ typedef struct __DRI2throttleExtensionRec
__DRI2throttleExtension;
typedef struct __DRI2fenceExtensionRec __DRI2fenceExtension;
typedef struct __DRI2interopExtensionRec __DRI2interopExtension;
typedef struct __DRI2blobExtensionRec __DRI2blobExtension;
+typedef struct __DRI2damageExtensionRec __DRI2damageExtension;
typedef struct __DRIimageLoaderExtensionRec __DRIimageLoaderExtension;
typedef struct __DRIimageDriverExtensionRec __DRIimageDriverExtension;
@@ -460,6 +461,30 @@ struct __DRI2fenceExtensionRec {
int (*get_fence_fd)(__DRIscreen *screen, void *fence);
};
+/**
+ * Extension for damage rendering
+ */
+
+#define __DRI2_DAMAGE "DRI2_Damage"
+#define __DRI2_DAMAGE_VERSION 1
+
+struct __DRI2damageExtensionRec {
+ __DRIextension base;
+
+ /**
+ * Provides rectangles to the driver to restrict its rendering
+ * to those rectangles.
+ *
+ * \param ctx the context where commands are flushed
+ * \param size total elements in the array
+ * \param rects the array of rectangles
+ *
+ * Calling this function with size: 0 and rects: NULL should reset the
+ * damage to the full surface.
+ */
+ GLboolean (*set_damage_region)(__DRIcontext *ctx, GLuint size, GLint
*rects);
+
+};
/**
* Extension for API interop.
--
2.18.0
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