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/**************************************************************************
*
* Copyright (C) 2009 VMware, Inc.
* 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 VMWARE 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.
*
**************************************************************************/
/*
* Author: Keith Whitwell <keithw@vmware.com>
* Author: Jakob Bornecrantz <wallbraker@gmail.com>
*/
#ifndef DRI_CONTEXT_H
#define DRI_CONTEXT_H
#include "pipe/p_compiler.h"
#include "drm.h"
#include "dri_util.h"
struct pipe_context;
struct pipe_fence;
struct st_context;
struct dri_drawable;
struct dri_context
{
/* dri */
__DRIscreen *sPriv;
__DRIcontext *cPriv;
__DRIdrawable *dPriv;
__DRIdrawable *rPriv;
driOptionCache optionCache;
unsigned int d_stamp;
unsigned int r_stamp;
drmLock *lock;
boolean isLocked;
boolean stLostLock;
boolean wsLostLock;
unsigned int bind_count;
/* gallium */
struct st_context *st;
struct pipe_context *pipe;
};
static INLINE struct dri_context *
dri_context(__DRIcontext * driContextPriv)
{
return (struct dri_context *)driContextPriv->driverPrivate;
}
static INLINE void
dri_lock(struct dri_context *ctx)
{
drm_context_t hw_context = ctx->cPriv->hHWContext;
char ret = 0;
DRM_CAS(ctx->lock, hw_context, DRM_LOCK_HELD | hw_context, ret);
if (ret) {
drmGetLock(ctx->sPriv->fd, hw_context, 0);
ctx->stLostLock = TRUE;
ctx->wsLostLock = TRUE;
}
ctx->isLocked = TRUE;
}
static INLINE void
dri_unlock(struct dri_context *ctx)
{
ctx->isLocked = FALSE;
DRM_UNLOCK(ctx->sPriv->fd, ctx->lock, ctx->cPriv->hHWContext);
}
/***********************************************************************
* dri_context.c
*/
extern struct dri1_api_lock_funcs dri1_lf;
void dri_destroy_context(__DRIcontext * driContextPriv);
boolean dri_unbind_context(__DRIcontext * driContextPriv);
boolean
dri_make_current(__DRIcontext * driContextPriv,
__DRIdrawable * driDrawPriv,
__DRIdrawable * driReadPriv);
boolean
dri_create_context(const __GLcontextModes * visual,
__DRIcontext * driContextPriv,
void *sharedContextPrivate);
/***********************************************************************
* dri_extensions.c
*/
void dri_init_extensions(struct dri_context *ctx);
#endif
/* vim: set sw=3 ts=8 sts=3 expandtab: */
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