a895f6a165
The theory here was that it (which I copied from EGL) existed to fix up context switching with indirect GLX. But indirect GLX won't even try to set the context again unless its lastContext field is cleared, so we need to solve this a different way. Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Keith Packard <keithp@keithp.com>
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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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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--glamor_ctx->get_count;
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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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