summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorKristian Høgsberg <krh@bitplanet.net>2010-02-11 17:45:24 -0500
committerKristian Høgsberg <krh@bitplanet.net>2010-02-24 14:28:41 -0500
commit79cbcb663d738b424466219cf8a1221eac106a6f (patch)
tree164e22503c8c4a3d66dfe7684e5e214f75f0ff42 /include
parentccd78fed880c4c8f1fccf1d10fc46442fa146359 (diff)
dri_interface.h: Add DRI image and eglImageLookup extensions
These are used for implementing the various EGLImage extensions.
Diffstat (limited to 'include')
-rw-r--r--include/GL/internal/dri_interface.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index cb99c270f5..1d4e82e154 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -751,4 +751,59 @@ struct __DRIdri2ExtensionRec {
};
+
+/**
+ * This extension provides functionality to enable various EGLImage
+ * extensions.
+ */
+#define __DRI_IMAGE "DRI_IMAGE"
+#define __DRI_IMAGE_VERSION 1
+
+/**
+ * These formats correspond to the similarly named MESA_FORMAT_*
+ * 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.
+ */
+#define __DRI_IMAGE_FORMAT_RGB565 0x1001
+#define __DRI_IMAGE_FORMAT_XRGB8888 0x1002
+#define __DRI_IMAGE_FORMAT_ARGB8888 0x1003
+
+typedef struct __DRIimageRec __DRIimage;
+typedef struct __DRIimageExtensionRec __DRIimageExtension;
+struct __DRIimageExtensionRec {
+ __DRIextension base;
+
+ __DRIimage *(*createImageFromName)(__DRIcontext *context,
+ int width, int height, int format,
+ int name, int pitch,
+ void *loaderPrivate);
+
+ __DRIimage *(*createImageFromRenderbuffer)(__DRIcontext *context,
+ int renderbuffer,
+ void *loaderPrivate);
+
+ void (*destroyImage)(__DRIimage *image);
+};
+
+/**
+ * This extension must be implemented by the loader and passed to the
+ * driver at screen creation time. The EGLImage entry points in the
+ * various client APIs take opaque EGLImage handles and use this
+ * extension to map them to a __DRIimage. At version 1, this
+ * extensions allows mapping EGLImage pointers to __DRIimage pointers,
+ * but future versions could support other EGLImage-like, opaque types
+ * with new lookup functions.
+ */
+#define __DRI_IMAGE_LOOKUP "DRI_IMAGE_LOOKUP"
+#define __DRI_IMAGE_LOOKUP_VERSION 1
+
+typedef struct __DRIimageLookupExtensionRec __DRIimageLookupExtension;
+struct __DRIimageLookupExtensionRec {
+ __DRIextension base;
+
+ __DRIimage *(*lookupEGLImage)(__DRIcontext *context, void *image,
+ void *loaderPrivate);
+};
+
#endif