/*
 * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef _VA_DRICOMMON_H_
#define _VA_DRICOMMON_H_

#include <X11/Xlib.h>
#include <xf86drm.h>
#include <drm.h>

#include <va/va_backend.h>
#include <va/va_drmcommon.h>

enum {
    /* Compatibility. Do not use for newly-written code. */
    VA_NONE     = VA_DRM_AUTH_NONE,
    VA_DRI1     = VA_DRM_AUTH_DRI1,
    VA_DRI2     = VA_DRM_AUTH_DRI2,
    VA_DUMMY    = VA_DRM_AUTH_CUSTOM
};

union dri_buffer {
    struct {
        unsigned int attachment;
        unsigned int name;
        unsigned int pitch;
        unsigned int cpp;
        unsigned int flags;
        /** \brief Reserved bytes for future use, must be zero */
        unsigned int va_reserved[8];
    } dri2;
};

struct dri_drawable {
    XID x_drawable;
    int is_window;
    int x;
    int y;
    unsigned int width;
    unsigned int height;
    struct dri_drawable *next;
};

#define DRAWABLE_HASH_SZ 32
struct dri_state {
    struct drm_state base;
    struct dri_drawable *drawable_hash[DRAWABLE_HASH_SZ];

    struct dri_drawable *(*createDrawable)(VADriverContextP ctx, XID x_drawable);
    void (*destroyDrawable)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
    void (*swapBuffer)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
    union dri_buffer *(*getRenderingBuffer)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
    void (*close)(VADriverContextP ctx);
    /** \brief Reserved bytes for future use, must be zero */
    unsigned long  va_reserved[16];
};

Bool va_isDRI2Connected(VADriverContextP ctx, char **driver_name);
void va_dri_free_drawable(VADriverContextP ctx, struct dri_drawable* dri_drawable);
void va_dri_free_drawable_hashtable(VADriverContextP ctx);
struct dri_drawable *va_dri_get_drawable(VADriverContextP ctx, XID drawable);
void va_dri_swap_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable);
union dri_buffer *va_dri_get_rendering_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable);

#endif /* _VA_DRICOMMON_H_ */