2013-12-19 00:27:52 +01:00
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/*
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* Copyright © 2013 Intel Corporation
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*
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <epoxy/glx.h>
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#include "glamor_context.h"
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/**
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* @file glamor_glx.c
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*
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* GLX context management for glamor.
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*
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* This has to be kept separate from the server sources because of
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* Xlib's conflicting definition of CARD32 and similar typedefs.
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*/
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static void
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glamor_glx_get_context(struct glamor_context *glamor_ctx)
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{
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GLXContext old_ctx;
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if (glamor_ctx->get_count++)
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return;
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old_ctx = glXGetCurrentContext();
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if (old_ctx == glamor_ctx->ctx)
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return;
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glXMakeCurrent(glamor_ctx->display, glamor_ctx->drawable_xid,
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glamor_ctx->ctx);
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}
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static void
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glamor_glx_put_context(struct glamor_context *glamor_ctx)
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{
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2014-01-05 11:45:05 +01:00
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--glamor_ctx->get_count;
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2013-12-19 00:27:52 +01:00
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}
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Bool
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glamor_glx_screen_init(struct glamor_context *glamor_ctx)
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{
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glamor_ctx->ctx = glXGetCurrentContext();
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if (!glamor_ctx->ctx)
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return False;
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glamor_ctx->display = glXGetCurrentDisplay();
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if (!glamor_ctx->display)
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return False;
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glamor_ctx->drawable_xid = glXGetCurrentDrawable();
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glamor_ctx->get_context = glamor_glx_get_context;
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glamor_ctx->put_context = glamor_glx_put_context;
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return True;
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}
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