Synchronised files

1 files changed, 62 insertions, 0 deletions

diff --git a/gl/internal/dri_interface.h b/gl/internal/dri_interface.h
index fd29e8256..bcdd7f605 100644
--- a/gl/internal/dri_interface.h
+++ b/gl/internal/dri_interface.h
@@ -812,10 +812,28 @@ struct __DRIdri2LoaderExtensionRec {
 #define __DRI_CTX_ATTRIB_MINOR_VERSION		1
 #define __DRI_CTX_ATTRIB_FLAGS			2
 
+/**
+ * \requires __DRI2_ROBUSTNESS.
+ */
+#define __DRI_CTX_ATTRIB_RESET_STRATEGY		3
+
 #define __DRI_CTX_FLAG_DEBUG			0x00000001
 #define __DRI_CTX_FLAG_FORWARD_COMPATIBLE	0x00000002
 
 /**
+ * \requires __DRI2_ROBUSTNESS.
+ */
+#define __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS	0x00000004
+
+/**
+ * \name Context reset strategies.
+ */
+/*@{*/
+#define __DRI_CTX_RESET_NO_NOTIFICATION		0
+#define __DRI_CTX_RESET_LOSE_CONTEXT		1
+/*@}*/
+
+/**
  * \name Reasons that __DRIdri2Extension::createContextAttribs might fail
  */
 /*@{*/
@@ -905,12 +923,19 @@ struct __DRIdri2ExtensionRec {
  * tokens, except in the native endian of the CPU.  For example, on
  * little endian __DRI_IMAGE_FORMAT_XRGB8888 corresponds to
  * MESA_FORMAT_XRGB8888, but MESA_FORMAT_XRGB8888_REV on big endian.
+ *
+ * __DRI_IMAGE_FORMAT_NONE is for images that aren't directly usable
+ * by the driver (YUV planar formats) but serve as a base image for
+ * creating sub-images for the different planes within the image.
  */
 #define __DRI_IMAGE_FORMAT_RGB565       0x1001
 #define __DRI_IMAGE_FORMAT_XRGB8888     0x1002
 #define __DRI_IMAGE_FORMAT_ARGB8888     0x1003
 #define __DRI_IMAGE_FORMAT_ABGR8888     0x1004
 #define __DRI_IMAGE_FORMAT_XBGR8888     0x1005
+#define __DRI_IMAGE_FORMAT_R8           0x1006 /* Since version 5 */
+#define __DRI_IMAGE_FORMAT_GR88         0x1007
+#define __DRI_IMAGE_FORMAT_NONE         0x1008
 
 #define __DRI_IMAGE_USE_SHARE		0x0001
 #define __DRI_IMAGE_USE_SCANOUT		0x0002
@@ -967,6 +992,26 @@ struct __DRIimageExtensionRec {
     * \since 4
     */
    int (*write)(__DRIimage *image, const void *buf, size_t count);
+
+   /**
+    * Create an image out of a sub-region of a parent image.  This
+    * entry point lets us create individual __DRIimages for different
+    * planes in a planar buffer (typically yuv), for example.  While a
+    * sub-image shares the underlying buffer object with the parent
+    * image and other sibling sub-images, the life times of parent and
+    * sub-images are not dependent.  Destroying the parent or a
+    * sub-image doesn't affect other images.  The underlying buffer
+    * object is free when no __DRIimage remains that references it.
+    *
+    * Sub-images may overlap, but rendering to overlapping sub-images
+    * is undefined.
+    *
+    * \since 5
+    */
+    __DRIimage *(*createSubImage)(__DRIimage *image,
+                                  int width, int height, int format,
+                                  int offset, int pitch,
+                                  void *loaderPrivate);
 };
 
 
@@ -1004,4 +1049,21 @@ struct __DRI2configQueryExtensionRec {
    int (*configQueryi)(__DRIscreen *screen, const char *var, GLint *val);
    int (*configQueryf)(__DRIscreen *screen, const char *var, GLfloat *val);
 };
+
+/**
+ * Robust context driver extension.
+ *
+ * Existence of this extension means the driver can accept the
+ * \c __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS flag and the
+ * \c __DRI_CTX_ATTRIB_RESET_STRATEGY attribute in
+ * \c __DRIdri2ExtensionRec::createContextAttribs.
+ */
+#define __DRI2_ROBUSTNESS "DRI_Robustness"
+#define __DRI2_ROBUSTNESS_VERSION 1
+
+typedef struct __DRIrobustnessExtensionRec __DRIrobustnessExtension;
+struct __DRIrobustnessExtensionRec {
+   __DRIextension base;
+};
+
 #endif