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Diffstat (limited to 'src/gallium/state_trackers/dri/dri_context.h')
-rw-r--r-- | src/gallium/state_trackers/dri/dri_context.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/dri/dri_context.h b/src/gallium/state_trackers/dri/dri_context.h new file mode 100644 index 0000000000..4650178734 --- /dev/null +++ b/src/gallium/state_trackers/dri/dri_context.h @@ -0,0 +1,123 @@ +/************************************************************************** + * + * 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 */ + __DRIscreenPrivate *sPriv; + __DRIcontextPrivate *cPriv; + __DRIdrawablePrivate *dPriv; + __DRIdrawablePrivate *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(__DRIcontextPrivate * 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(__DRIcontextPrivate * driContextPriv); + +boolean dri_unbind_context(__DRIcontextPrivate * driContextPriv); + +boolean +dri_make_current(__DRIcontextPrivate * driContextPriv, + __DRIdrawablePrivate * driDrawPriv, + __DRIdrawablePrivate * driReadPriv); + +boolean +dri_create_context(const __GLcontextModes * visual, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate); + +/*********************************************************************** + * dri_extensions.c + */ +void dri_init_extensions(struct dri_context *ctx); + +#endif + +/* vim: set sw=3 ts=8 sts=3 expandtab: */ |