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/*
* Copyright © 2013 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <epoxy/glx.h>
#include "glamor_context.h"
/**
* @file glamor_glx.c
*
* GLX context management for glamor.
*
* This has to be kept separate from the server sources because of
* Xlib's conflicting definition of CARD32 and similar typedefs.
*/
static void
glamor_glx_get_context(struct glamor_context *glamor_ctx)
{
GLXContext old_ctx;
if (glamor_ctx->get_count++)
return;
old_ctx = glXGetCurrentContext();
if (old_ctx == glamor_ctx->ctx)
return;
glXMakeCurrent(glamor_ctx->display, glamor_ctx->drawable_xid,
glamor_ctx->ctx);
}
static void
glamor_glx_put_context(struct glamor_context *glamor_ctx)
{
if (--glamor_ctx->get_count)
return;
/* We actually reset the context, so that indirect GLX's EGL usage
* won't get confused by ours.
*/
glXMakeCurrent(glamor_ctx->display, None, NULL);
}
Bool
glamor_glx_screen_init(struct glamor_context *glamor_ctx)
{
glamor_ctx->ctx = glXGetCurrentContext();
if (!glamor_ctx->ctx)
return False;
glamor_ctx->display = glXGetCurrentDisplay();
if (!glamor_ctx->display)
return False;
glamor_ctx->drawable_xid = glXGetCurrentDrawable();
glamor_ctx->get_context = glamor_glx_get_context;
glamor_ctx->put_context = glamor_glx_put_context;
return True;
}
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