glamor_glx.c (2342B)
1 /* 2 * Copyright © 2013 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #include <epoxy/glx.h> 25 #include "glamor_context.h" 26 27 /** 28 * @file glamor_glx.c 29 * 30 * GLX context management for glamor. 31 * 32 * This has to be kept separate from the server sources because of 33 * Xlib's conflicting definition of CARD32 and similar typedefs. 34 */ 35 36 static void 37 glamor_glx_make_current(struct glamor_context *glamor_ctx) 38 { 39 /* There's only a single global dispatch table in Mesa. EGL, GLX, 40 * and AIGLX's direct dispatch table manipulation don't talk to 41 * each other. We need to set the context to NULL first to avoid 42 * GLX's no-op context change fast path when switching back to 43 * GLX. 44 */ 45 glXMakeCurrent(glamor_ctx->display, None, None); 46 47 glXMakeCurrent(glamor_ctx->display, glamor_ctx->drawable_xid, 48 glamor_ctx->ctx); 49 } 50 51 52 Bool 53 glamor_glx_screen_init(struct glamor_context *glamor_ctx) 54 { 55 glamor_ctx->ctx = glXGetCurrentContext(); 56 if (!glamor_ctx->ctx) 57 return False; 58 59 glamor_ctx->display = glXGetCurrentDisplay(); 60 if (!glamor_ctx->display) 61 return False; 62 63 glamor_ctx->drawable_xid = glXGetCurrentDrawable(); 64 65 glamor_ctx->make_current = glamor_glx_make_current; 66 67 return True; 68 }