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/**************************************************************************
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* Copyright 2009, VMware, Inc.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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* Author: Keith Whitwell <keithw@vmware.com>
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* Author: Jakob Bornecrantz <wallbraker@gmail.com>
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#include "dri_screen.h"
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#include "dri_drawable.h"
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#include "state_tracker/drm_api.h"
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#include "state_tracker/dri1_api.h"
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#include "state_tracker/st_public.h"
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#include "state_tracker/st_context.h"
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#include "pipe/p_context.h"
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#include "dri_context.h"
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#include "util/u_memory.h"
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dri_create_context(const __GLcontextModes * visual,
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__DRIcontext * cPriv, void *sharedContextPrivate)
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__DRIscreen *sPriv = cPriv->driScreenPriv;
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struct dri_screen *screen = dri_screen(sPriv);
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struct dri_context *ctx = NULL;
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struct st_context *st_share = NULL;
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if (sharedContextPrivate) {
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st_share = ((struct dri_context *)sharedContextPrivate)->st;
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ctx = CALLOC_STRUCT(dri_context);
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cPriv->driverPrivate = ctx;
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ctx->lock = screen->drmLock;
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driParseConfigFiles(&ctx->optionCache,
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&screen->optionCache, sPriv->myNum, "dri");
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ctx->pipe = screen->pipe_screen->context_create( screen->pipe_screen,
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if (ctx->pipe == NULL)
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ctx->st = st_create_context(ctx->pipe, visual, st_share);
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dri_init_extensions(ctx);
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st_destroy_context(ctx->st);
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ctx->pipe->destroy(ctx->pipe);
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dri_destroy_context(__DRIcontext * cPriv)
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struct dri_context *ctx = dri_context(cPriv);
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/* note: we are freeing values and nothing more because
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* driParseConfigFiles allocated values only - the rest
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* is owned by screen optionCache.
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FREE(ctx->optionCache.values);
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/* No particular reason to wait for command completion before
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* destroying a context, but it is probably worthwhile flushing it
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* to avoid having to add code elsewhere to cope with flushing a
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* partially destroyed context.
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st_flush(ctx->st, 0, NULL);
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/* Also frees ctx->pipe?
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st_destroy_context(ctx->st);
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dri_unbind_context(__DRIcontext * cPriv)
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struct dri_context *ctx = dri_context(cPriv);
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if (--ctx->bind_count == 0) {
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if (ctx->st && ctx->st == st_get_current()) {
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st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
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st_make_current(NULL, NULL, NULL);
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dri_make_current(__DRIcontext * cPriv,
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__DRIdrawable * driDrawPriv,
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__DRIdrawable * driReadPriv)
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struct dri_context *ctx = dri_context(cPriv);
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struct dri_drawable *draw = dri_drawable(driDrawPriv);
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struct dri_drawable *read = dri_drawable(driReadPriv);
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struct st_context *old_st = st_get_current();
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if (old_st && old_st != ctx->st)
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st_flush(old_st, PIPE_FLUSH_RENDER_CACHE, NULL);
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if (ctx->dPriv != driDrawPriv) {
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ctx->dPriv = driDrawPriv;
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ctx->d_stamp = driDrawPriv->lastStamp - 1;
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if (ctx->rPriv != driReadPriv) {
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ctx->rPriv = driReadPriv;
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ctx->r_stamp = driReadPriv->lastStamp - 1;
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st_make_current(ctx->st, draw->stfb, read->stfb);
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if (__dri1_api_hooks) {
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dri1_update_drawables(ctx, draw, read);
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dri_update_buffer(ctx->pipe->screen,
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st_make_current(NULL, NULL, NULL);
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st_dri_lock(struct pipe_context *pipe)
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dri_lock((struct dri_context *)pipe->priv);
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st_dri_unlock(struct pipe_context *pipe)
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dri_unlock((struct dri_context *)pipe->priv);
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st_dri_is_locked(struct pipe_context *pipe)
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return ((struct dri_context *)pipe->priv)->isLocked;
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st_dri_lost_lock(struct pipe_context *pipe)
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return ((struct dri_context *)pipe->priv)->wsLostLock;
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st_dri_clear_lost_lock(struct pipe_context *pipe)
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((struct dri_context *)pipe->priv)->wsLostLock = FALSE;
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struct dri1_api_lock_funcs dri1_lf = {
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.unlock = st_dri_unlock,
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.is_locked = st_dri_is_locked,
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.is_lock_lost = st_dri_lost_lock,
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.clear_lost_lock = st_dri_clear_lost_lock
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/* vim: set sw=3 ts=8 sts=3 expandtab: */