API: add support for raw DRM.

[android-x86/hardware-intel-common-libva.git] / va / va_backend.h

diff --git a/va/va_backend.h b/va/va_backend.h
index 9b47cae..b6b651c 100644 (file)
--- a/va/va_backend.h
+++ b/va/va_backend.h
@@ -30,14 +30,26 @@
 #define _VA_BACKEND_H_
 
 #include <va/va.h>
-#ifndef ANDROID
-#include <X11/Xlib.h>
-#endif
 #include <linux/videodev2.h>
 
 typedef struct VADriverContext *VADriverContextP;
 typedef struct VADisplayContext *VADisplayContextP;
 
+/** \brief VA display types. */
+enum {
+    /** \brief Mask to major identifier for VA display type. */
+    VA_DISPLAY_MAJOR_MASK = 0xf0,
+
+    /** \brief VA/X11 API is used, through vaGetDisplay() entry-point. */
+    VA_DISPLAY_X11      = 0x10,
+    /** \brief VA/GLX API is used, through vaGetDisplayGLX() entry-point. */
+    VA_DISPLAY_GLX      = (VA_DISPLAY_X11 | (1 << 0)),
+    /** \brief VA/Android API is used, through vaGetDisplay() entry-point. */
+    VA_DISPLAY_ANDROID  = 0x20,
+    /** \brief VA/DRM API is used, through vaGetDisplayDRM() entry-point. */
+    VA_DISPLAY_DRM      = 0x30,
+};
+
 struct VADriverVTable
 {
        VAStatus (*vaTerminate) ( VADriverContextP ctx );
@@ -430,11 +442,27 @@ struct VADriverContext
     const char *str_vendor;
 
     void *handle;                      /* dlopen handle */
-    
-    void *dri_state;
+
+    /**
+     * \brief DRM state.
+     *
+     * This field holds driver specific data for DRM-based
+     * drivers. This structure is allocated from libva with
+     * calloc(). Do not deallocate from within VA driver
+     * implementations.
+     *
+     * All structures shall be derived from struct drm_state. So, for
+     * instance, this field holds a dri_state structure for VA/X11
+     * drivers that use the DRM protocol.
+     */
+    void *drm_state;
+
     void *glx;                         /* opaque for GLX code */
 
-    unsigned long reserved[45];         /* reserve for future add-ins, decrease the subscript accordingly */
+    /** \brief VA display type. */
+    unsigned long display_type;
+
+    unsigned long reserved[44];         /* reserve for future add-ins, decrease the subscript accordingly */
 };
 
 #define VA_DISPLAY_MAGIC 0x56414430 /* VAD0 */