/* * Copyright © 2013 Keith Packard * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that copyright * notice and this permission notice appear in supporting documentation, and * that the name of the copyright holders not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission. The copyright holders make no representations * about the suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ /* This file was derived from dri2_priv.h which carries the following * copyright: * * Copyright © 2008 Red Hat, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Soft- * ware"), to deal in the Software without restriction, including without * limitation the rights to use, copy, modify, merge, publish, distribute, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, provided that the above copyright * notice(s) and this permission notice appear in all copies of the Soft- * ware and that both the above copyright notice(s) and this permission * notice appear in supporting documentation. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- * MANCE OF THIS SOFTWARE. * * Except as contained in this notice, the name of a copyright holder shall * not be used in advertising or otherwise to promote the sale, use or * other dealings in this Software without prior written authorization of * the copyright holder. * * Authors: * Kristian Høgsberg (krh@redhat.com) */ #include <xcb/xcb.h> #include <xcb/dri3.h> #include <xcb/present.h> #include <xcb/sync.h> /* From xmlpool/options.h, user exposed so should be stable */ #define DRI_CONF_VBLANK_NEVER 0 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3 enum dri3_buffer_type { dri3_buffer_back = 0, dri3_buffer_front = 1 }; struct dri3_buffer { __DRIimage *image; __DRIimage *linear_buffer; uint32_t pixmap; /* Synchronization between the client and X server is done using an * xshmfence that is mapped into an X server SyncFence. This lets the * client check whether the X server is done using a buffer with a simple * xshmfence call, rather than going to read X events from the wire. * * However, we can only wait for one xshmfence to be triggered at a time, * so we need to know *which* buffer is going to be idle next. We do that * by waiting for a PresentIdleNotify event. When that event arrives, the * 'busy' flag gets cleared and the client knows that the fence has been * triggered, and that the wait call will not block. */ uint32_t sync_fence; /* XID of X SyncFence object */ struct xshmfence *shm_fence; /* pointer to xshmfence object */ GLboolean busy; /* Set on swap, cleared on IdleNotify */ GLboolean own_pixmap; /* We allocated the pixmap ID, free on destroy */ void *driverPrivate; uint32_t size; uint32_t pitch; uint32_t cpp; uint32_t flags; uint32_t width, height; uint64_t last_swap; enum dri3_buffer_type buffer_type; }; struct dri3_display { __GLXDRIdisplay base; const __DRIextension **loader_extensions; /* DRI3 bits */ int dri3Major; int dri3Minor; /* Present bits */ int hasPresent; int presentMajor; int presentMinor; }; struct dri3_screen { struct glx_screen base; __DRIscreen *driScreen; __GLXDRIscreen vtable; const __DRIimageExtension *image; const __DRIimageDriverExtension *image_driver; const __DRIcoreExtension *core; const __DRI2flushExtension *f; const __DRI2configQueryExtension *config; const __DRItexBufferExtension *texBuffer; const __DRI2rendererQueryExtension *rendererQuery; const __DRIconfig **driver_configs; void *driver; int fd; int is_different_gpu; int show_fps_interval; }; struct dri3_context { struct glx_context base; __DRIcontext *driContext; }; #define DRI3_MAX_BACK 4 #define DRI3_BACK_ID(i) (i) #define DRI3_FRONT_ID (DRI3_MAX_BACK) static inline int dri3_pixmap_buf_id(enum dri3_buffer_type buffer_type) { if (buffer_type == dri3_buffer_back) return DRI3_BACK_ID(0); else return DRI3_FRONT_ID; } #define DRI3_NUM_BUFFERS (1 + DRI3_MAX_BACK) struct dri3_drawable { __GLXDRIdrawable base; __DRIdrawable *driDrawable; int width, height, depth; int swap_interval; uint8_t have_back; uint8_t have_fake_front; uint8_t is_pixmap; uint8_t flipping; /* Present extension capabilities */ uint32_t present_capabilities; /* SBC numbers are tracked by using the serial numbers * in the present request and complete events */ uint64_t send_sbc; uint64_t recv_sbc; /* Last received UST/MSC values for pixmap present complete */ uint64_t ust, msc; /* Last received UST/MSC values from present notify msc event */ uint64_t notify_ust, notify_msc; /* Serial numbers for tracking wait_for_msc events */ uint32_t send_msc_serial; uint32_t recv_msc_serial; struct dri3_buffer *buffers[DRI3_NUM_BUFFERS]; int cur_back; int num_back; uint32_t *stamp; xcb_present_event_t eid; xcb_gcontext_t gc; xcb_special_event_t *special_event; /* LIBGL_SHOW_FPS support */ uint64_t previous_ust; unsigned frames; }; _X_HIDDEN int dri3_query_renderer_integer(struct glx_screen *base, int attribute, unsigned int *value); _X_HIDDEN int dri3_query_renderer_string(struct glx_screen *base, int attribute, const char **value);