gbm: Add dri backend
This commit is contained in:
parent
eddcecbf74
commit
2ff797060d
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@ -1271,6 +1271,13 @@ if test "x$enable_gbm" = xyes; then
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PKG_CHECK_MODULES([LIBUDEV], [libudev], [],
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PKG_CHECK_MODULES([LIBUDEV], [libudev], [],
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AC_MSG_ERROR([gbm needs udev]))
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AC_MSG_ERROR([gbm needs udev]))
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GBM_LIB_DEPS="$DLOPEN_LIBS $LIBUDEV_LIBS"
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GBM_LIB_DEPS="$DLOPEN_LIBS $LIBUDEV_LIBS"
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if test "$mesa_driver" = dri; then
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GBM_BACKEND_DIRS="$GBM_BACKEND_DIRS dri"
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if test "$SHARED_GLAPI" -eq 0; then
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AC_MSG_ERROR([gbm_dri requires --enable-shared-glapi])
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fi
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fi
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fi
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fi
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AC_SUBST([GBM_LIB_DEPS])
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AC_SUBST([GBM_LIB_DEPS])
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AC_SUBST([GBM_BACKEND_DIRS])
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AC_SUBST([GBM_BACKEND_DIRS])
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@ -0,0 +1,22 @@
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# src/gbm/backends/dri/Makefile
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TOP = ../../../..
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include $(TOP)/configs/current
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GBM_BACKEND = gbm_dri
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GBM_SOURCES = gbm_dri.c driver_name.c
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GBM_INCLUDES = \
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-I$(TOP)/include \
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-I$(TOP)/src/gbm/main \
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GBM_LIBS = $(LIBUDEV_LIBS) $(LIBDRM_LIB) -L$(TOP)/lib -lglapi
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GBM_CFLAGS = \
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-DDEFAULT_DRIVER_DIR=\"$(DRI_DRIVER_SEARCH_DIR)\" \
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$(LIBUDEV_CFLAGS) \
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$(LIBDRM_CFLAGS)
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GBM_BUILTIN=true
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include ../Makefile.template
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@ -0,0 +1,89 @@
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/*
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* Copyright © 2011 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Kristian Høgsberg <krh@bitplanet.net>
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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*/
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#include <stdio.h>
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#include <string.h>
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#include <libudev.h>
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#include "gbm_driint.h"
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#define DRIVER_MAP_DRI2_ONLY
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#include "pci_ids/pci_id_driver_map.h"
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char *
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dri_fd_get_driver_name(int fd)
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{
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struct udev *udev;
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struct udev_device *device, *parent;
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const char *pci_id;
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char *driver = NULL;
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int vendor_id, chip_id, i, j;
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udev = udev_new();
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device = _gbm_udev_device_new_from_fd(udev, fd);
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if (device == NULL)
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return NULL;
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parent = udev_device_get_parent(device);
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if (parent == NULL) {
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fprintf(stderr, "gbm: could not get parent device");
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goto out;
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}
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pci_id = udev_device_get_property_value(parent, "PCI_ID");
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if (pci_id == NULL ||
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sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) {
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fprintf(stderr, "gbm: malformed or no PCI ID");
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goto out;
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}
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for (i = 0; driver_map[i].driver; i++) {
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if (vendor_id != driver_map[i].vendor_id)
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continue;
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if (driver_map[i].num_chips_ids == -1) {
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driver = strdup(driver_map[i].driver);
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_gbm_log("pci id for %d: %04x:%04x, driver %s",
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fd, vendor_id, chip_id, driver);
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goto out;
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}
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for (j = 0; j < driver_map[i].num_chips_ids; j++)
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if (driver_map[i].chip_ids[j] == chip_id) {
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driver = strdup(driver_map[i].driver);
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_gbm_log("pci id for %d: %04x:%04x, driver %s",
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fd, vendor_id, chip_id, driver);
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goto out;
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}
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}
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out:
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udev_device_unref(device);
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udev_unref(udev);
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return driver;
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}
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@ -0,0 +1,378 @@
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/*
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* Copyright © 2011 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <dlfcn.h>
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#include <GL/gl.h> /* dri_interface needs GL types */
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#include <GL/internal/dri_interface.h>
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#include "gbm_driint.h"
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#include "gbmint.h"
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static __DRIimage *
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dri_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
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{
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struct gbm_dri_device *dri = data;
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if (dri->lookup_image == NULL)
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return NULL;
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return dri->lookup_image(screen, image, dri->lookup_user_data);
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}
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const __DRIuseInvalidateExtension use_invalidate = {
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{ __DRI_USE_INVALIDATE, 1 }
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};
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const __DRIimageLookupExtension image_lookup_extension = {
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{ __DRI_IMAGE_LOOKUP, 1 },
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dri_lookup_egl_image
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};
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struct dri_extension_match {
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const char *name;
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int version;
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int offset;
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};
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static struct dri_extension_match dri_core_extensions[] = {
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{ __DRI_IMAGE, 1, offsetof(struct gbm_dri_device, image) },
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{ NULL, 0, 0 }
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};
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static struct dri_extension_match gbm_dri_device_extensions[] = {
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{ __DRI_CORE, 1, offsetof(struct gbm_dri_device, core) },
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{ __DRI_DRI2, 1, offsetof(struct gbm_dri_device, dri2) },
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{ NULL, 0, 0 }
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};
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static int
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dri_bind_extensions(struct gbm_dri_device *dri,
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struct dri_extension_match *matches,
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const __DRIextension **extensions)
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{
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int i, j, ret = 0;
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void *field;
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for (i = 0; extensions[i]; i++) {
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for (j = 0; matches[j].name; j++) {
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if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
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extensions[i]->version >= matches[j].version) {
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field = ((char *) dri + matches[j].offset);
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*(const __DRIextension **) field = extensions[i];
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}
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}
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}
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for (j = 0; matches[j].name; j++) {
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field = ((char *) dri + matches[j].offset);
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if (*(const __DRIextension **) field == NULL) {
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ret = -1;
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}
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}
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return ret;
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}
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static int
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dri_load_driver(struct gbm_dri_device *dri)
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{
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const __DRIextension **extensions;
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char path[PATH_MAX], *search_paths, *p, *next, *end;
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search_paths = NULL;
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if (geteuid() == getuid()) {
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/* don't allow setuid apps to use GBM_DRIVERS_PATH */
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search_paths = getenv("GBM_DRIVERS_PATH");
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}
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if (search_paths == NULL)
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search_paths = DEFAULT_DRIVER_DIR;
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dri->driver = NULL;
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end = search_paths + strlen(search_paths);
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for (p = search_paths; p < end && dri->driver == NULL; p = next + 1) {
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int len;
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next = strchr(p, ':');
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if (next == NULL)
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next = end;
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len = next - p;
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#if GLX_USE_TLS
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snprintf(path, sizeof path,
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"%.*s/tls/%s_dri.so", len, p, dri->base.driver_name);
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dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
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#endif
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if (dri->driver == NULL) {
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snprintf(path, sizeof path,
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"%.*s/%s_dri.so", len, p, dri->base.driver_name);
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dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
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if (dri->driver == NULL)
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fprintf(stderr, "failed to open %s: %s\n", path, dlerror());
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}
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}
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if (dri->driver == NULL) {
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fprintf(stderr, "gbm: failed to open any driver (search paths %s)",
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search_paths);
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return -1;
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}
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extensions = dlsym(dri->driver, __DRI_DRIVER_EXTENSIONS);
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if (extensions == NULL) {
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fprintf(stderr, "gbm: driver exports no extensions (%s)", dlerror());
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dlclose(dri->driver);
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return -1;
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}
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if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) {
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dlclose(dri->driver);
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fprintf(stderr, "failed to bind extensions\n");
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return -1;
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}
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return 0;
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}
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static int
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dri_screen_create(struct gbm_dri_device *dri)
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{
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const __DRIextension **extensions;
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int ret = 0;
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dri->base.driver_name = dri_fd_get_driver_name(dri->base.base.fd);
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if (dri->base.driver_name == NULL)
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return -1;
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ret = dri_load_driver(dri);
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if (ret) {
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fprintf(stderr, "failed to load driver: %s\n", dri->base.driver_name);
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return ret;
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};
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dri->extensions[0] = &image_lookup_extension.base;
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dri->extensions[1] = &use_invalidate.base;
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dri->extensions[2] = NULL;
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if (dri->dri2 == NULL)
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return -1;
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dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd,
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dri->extensions,
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&dri->driver_configs, dri);
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extensions = dri->core->getExtensions(dri->screen);
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if (dri_bind_extensions(dri, dri_core_extensions, extensions) < 0) {
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ret = -1;
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goto free_screen;
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}
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dri->lookup_image = NULL;
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dri->lookup_user_data = NULL;
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return 0;
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free_screen:
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dri->core->destroyScreen(dri->screen);
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return ret;
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}
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static int
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gbm_dri_is_format_supported(struct gbm_device *gbm,
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enum gbm_bo_format format,
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uint32_t usage)
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{
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switch (format) {
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case GBM_BO_FORMAT_XRGB8888:
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break;
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case GBM_BO_FORMAT_ARGB8888:
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if (usage & GBM_BO_USE_SCANOUT)
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return 0;
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break;
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default:
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return 0;
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}
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if (usage & GBM_BO_USE_CURSOR_64X64 &&
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usage & GBM_BO_USE_RENDERING)
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return 0;
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return 1;
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}
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static void
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gbm_dri_bo_destroy(struct gbm_bo *_bo)
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{
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struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
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struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
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dri->image->destroyImage(bo->image);
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free(bo);
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}
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static struct gbm_bo *
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gbm_dri_bo_create_from_egl_image(struct gbm_device *gbm,
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void *egl_dpy, void *egl_img,
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uint32_t width, uint32_t height,
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uint32_t usage)
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{
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struct gbm_dri_device *dri = gbm_dri_device(gbm);
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struct gbm_dri_bo *bo;
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(void) egl_dpy;
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|
|
||||||
|
if (dri->lookup_image == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
bo = calloc(1, sizeof *bo);
|
||||||
|
if (bo == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
bo->base.base.gbm = gbm;
|
||||||
|
bo->base.base.width = width;
|
||||||
|
bo->base.base.height = height;
|
||||||
|
|
||||||
|
__DRIimage *tmp = dri->lookup_image(dri->screen, egl_img,
|
||||||
|
dri->lookup_user_data);
|
||||||
|
|
||||||
|
bo->image = dri->image->dupImage(tmp, bo);
|
||||||
|
if (bo->image == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE,
|
||||||
|
&bo->base.base.handle.s32);
|
||||||
|
dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE,
|
||||||
|
(int *) &bo->base.base.pitch);
|
||||||
|
|
||||||
|
return &bo->base.base;
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct gbm_bo *
|
||||||
|
gbm_dri_bo_create(struct gbm_device *gbm,
|
||||||
|
uint32_t width, uint32_t height,
|
||||||
|
enum gbm_bo_format format, uint32_t usage)
|
||||||
|
{
|
||||||
|
struct gbm_dri_device *dri = gbm_dri_device(gbm);
|
||||||
|
struct gbm_dri_bo *bo;
|
||||||
|
int dri_format;
|
||||||
|
unsigned dri_use = 0;
|
||||||
|
|
||||||
|
bo = calloc(1, sizeof *bo);
|
||||||
|
if (bo == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
bo->base.base.gbm = gbm;
|
||||||
|
bo->base.base.width = width;
|
||||||
|
bo->base.base.height = height;
|
||||||
|
|
||||||
|
switch (format) {
|
||||||
|
case GBM_BO_FORMAT_XRGB8888:
|
||||||
|
dri_format = __DRI_IMAGE_FORMAT_XRGB8888;
|
||||||
|
break;
|
||||||
|
case GBM_BO_FORMAT_ARGB8888:
|
||||||
|
dri_format = __DRI_IMAGE_FORMAT_ARGB8888;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (usage & GBM_BO_USE_SCANOUT)
|
||||||
|
dri_use |= __DRI_IMAGE_USE_SCANOUT;
|
||||||
|
if (usage & GBM_BO_USE_CURSOR_64X64)
|
||||||
|
dri_use |= __DRI_IMAGE_USE_CURSOR;
|
||||||
|
|
||||||
|
bo->image =
|
||||||
|
dri->image->createImage(dri->screen,
|
||||||
|
width, height,
|
||||||
|
dri_format, dri_use,
|
||||||
|
bo);
|
||||||
|
if (bo->image == NULL)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE,
|
||||||
|
&bo->base.base.handle.s32);
|
||||||
|
dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE,
|
||||||
|
(int *) &bo->base.base.pitch);
|
||||||
|
|
||||||
|
return &bo->base.base;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
dri_destroy(struct gbm_device *gbm)
|
||||||
|
{
|
||||||
|
struct gbm_dri_device *dri = gbm_dri_device(gbm);
|
||||||
|
|
||||||
|
dri->core->destroyScreen(dri->screen);
|
||||||
|
free(dri->driver_configs);
|
||||||
|
dlclose(dri->driver);
|
||||||
|
free(dri->base.driver_name);
|
||||||
|
|
||||||
|
free(dri);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct gbm_device *
|
||||||
|
dri_device_create(int fd)
|
||||||
|
{
|
||||||
|
struct gbm_dri_device *dri;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
dri = calloc(1, sizeof *dri);
|
||||||
|
|
||||||
|
dri->base.base.fd = fd;
|
||||||
|
dri->base.base.bo_create = gbm_dri_bo_create;
|
||||||
|
dri->base.base.bo_create_from_egl_image = gbm_dri_bo_create_from_egl_image;
|
||||||
|
dri->base.base.is_format_supported = gbm_dri_is_format_supported;
|
||||||
|
dri->base.base.bo_destroy = gbm_dri_bo_destroy;
|
||||||
|
dri->base.base.destroy = dri_destroy;
|
||||||
|
|
||||||
|
dri->base.type = GBM_DRM_DRIVER_TYPE_DRI;
|
||||||
|
dri->base.base.name = "drm";
|
||||||
|
|
||||||
|
ret = dri_screen_create(dri);
|
||||||
|
if (ret) {
|
||||||
|
free(dri);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
return &dri->base.base;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct gbm_backend gbm_dri_backend = {
|
||||||
|
.backend_name = "dri",
|
||||||
|
.create_device = dri_device_create,
|
||||||
|
};
|
|
@ -0,0 +1,78 @@
|
||||||
|
/*
|
||||||
|
* Copyright © 2011 Intel Corporation
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
* copy of this software and associated documentation files (the "Software"),
|
||||||
|
* to deal in the Software without restriction, including without limitation
|
||||||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||||||
|
* Software is furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice (including the next
|
||||||
|
* paragraph) shall be included in all copies or substantial portions of the
|
||||||
|
* Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||||
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||||
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||||
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
||||||
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||||||
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||||
|
* DEALINGS IN THE SOFTWARE.
|
||||||
|
*
|
||||||
|
* Authors:
|
||||||
|
* Benjamin Franzke <benjaminfranzke@googlemail.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _GBM_DRI_INTERNAL_H_
|
||||||
|
#define _GBM_DRI_INTERNAL_H_
|
||||||
|
|
||||||
|
#include "gbmint.h"
|
||||||
|
|
||||||
|
#include "common.h"
|
||||||
|
#include "common_drm.h"
|
||||||
|
|
||||||
|
#include <GL/gl.h> /* dri_interface needs GL types */
|
||||||
|
#include "GL/internal/dri_interface.h"
|
||||||
|
|
||||||
|
struct gbm_dri_device {
|
||||||
|
struct gbm_drm_device base;
|
||||||
|
|
||||||
|
void *driver;
|
||||||
|
|
||||||
|
__DRIscreen *screen;
|
||||||
|
|
||||||
|
__DRIcoreExtension *core;
|
||||||
|
__DRIdri2Extension *dri2;
|
||||||
|
__DRIimageExtension *image;
|
||||||
|
|
||||||
|
const __DRIconfig **driver_configs;
|
||||||
|
const __DRIextension *extensions[3];
|
||||||
|
|
||||||
|
__DRIimage *(*lookup_image)(__DRIscreen *screen, void *image, void *data);
|
||||||
|
void *lookup_user_data;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct gbm_dri_bo {
|
||||||
|
struct gbm_drm_bo base;
|
||||||
|
|
||||||
|
__DRIimage *image;
|
||||||
|
};
|
||||||
|
|
||||||
|
static inline struct gbm_dri_device *
|
||||||
|
gbm_dri_device(struct gbm_device *gbm)
|
||||||
|
{
|
||||||
|
return (struct gbm_dri_device *) gbm;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline struct gbm_dri_bo *
|
||||||
|
gbm_dri_bo(struct gbm_bo *bo)
|
||||||
|
{
|
||||||
|
return (struct gbm_dri_bo *) bo;
|
||||||
|
}
|
||||||
|
|
||||||
|
char *
|
||||||
|
dri_fd_get_driver_name(int fd);
|
||||||
|
|
||||||
|
#endif
|
|
@ -23,6 +23,11 @@ LOCAL_CFLAGS = $(LIBUDEV_CFLAGS) $(DLOPEN_CFLAGS) \
|
||||||
-D_OS_UNIX=1 -DMODULEDIR='"$(GBM_BACKEND_INSTALL_DIR)"'
|
-D_OS_UNIX=1 -DMODULEDIR='"$(GBM_BACKEND_INSTALL_DIR)"'
|
||||||
LOCAL_LIBS =
|
LOCAL_LIBS =
|
||||||
|
|
||||||
|
# Builtin backends
|
||||||
|
ifeq ($(filter dri, $(GBM_BACKEND_DIRS)),dri)
|
||||||
|
LOCAL_LIBS += $(TOP)/src/gbm/backends/dri/libgbm_dri.a
|
||||||
|
endif
|
||||||
|
|
||||||
.c.o:
|
.c.o:
|
||||||
$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $(LOCAL_CFLAGS) $< -o $@
|
$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $(LOCAL_CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
|
@ -36,12 +36,15 @@
|
||||||
|
|
||||||
#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
|
#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
|
||||||
|
|
||||||
|
extern const struct gbm_backend gbm_dri_backend;
|
||||||
|
|
||||||
struct backend_desc {
|
struct backend_desc {
|
||||||
const char *name;
|
const char *name;
|
||||||
const struct gbm_backend *builtin;
|
const struct gbm_backend *builtin;
|
||||||
};
|
};
|
||||||
|
|
||||||
static const struct backend_desc backends[] = {
|
static const struct backend_desc backends[] = {
|
||||||
|
{ "gbm_dri.so", &gbm_dri_backend },
|
||||||
};
|
};
|
||||||
|
|
||||||
static const void *
|
static const void *
|
||||||
|
|
Loading…
Reference in New Issue