1 /* 2 * Copyright © 2022 Google LLC 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 #ifndef MESA_INTERFACE_H 25 #define MESA_INTERFACE_H 26 27 #include "dri_interface.h" 28 29 /* Mesa-internal interface between the GLX, GBM, and EGL DRI driver loaders, and 30 * the gallium dri_util.c code. 31 */ 32 33 typedef struct __DRImesaCoreExtensionRec __DRImesaCoreExtension; 34 35 #define __DRI_MESA "DRI_Mesa" 36 #define __DRI_MESA_VERSION 1 37 38 struct dri_screen; 39 40 /** Core struct that appears alongside __DRI_CORE for Mesa-internal usage. 41 * Implemented in the top-level dri/drisw/kopper extension list. 42 */ 43 struct __DRImesaCoreExtensionRec { 44 __DRIextension base; 45 46 /* Version string for verifying that the DRI driver is from the same build as 47 * the loader. 48 */ 49 #define MESA_INTERFACE_VERSION_STRING PACKAGE_VERSION MESA_GIT_SHA1 50 const char *version_string; 51 52 /* Screen creation function regardless of DRI2, image, or swrast backend. 53 * (Nothing uses the old __DRI_CORE screen create). 54 * 55 * If not associated with a DRM fd (non-swkms swrast), the fd argument should 56 * be -1. 57 */ 58 __DRIcreateNewScreen2Func createNewScreen; 59 60 __DRIcreateContextAttribsFunc createContext; 61 62 /* driver function for finishing initialization inside createNewScreen(). */ 63 const __DRIconfig **(*initScreen)(struct dri_screen *screen); 64 }; 65 66 #endif /* MESA_INTERFACE_H */ 67