Commit 48d4a001 authored by Benjamin Franzke's avatar Benjamin Franzke 😀

gbm: Add gallium (drm) backend

parent 2ff79706
......@@ -559,6 +559,13 @@ AC_ARG_ENABLE([gallium_egl],
@<:@default=disable@:>@])],
[enable_gallium_egl="$enableval"],
[enable_gallium_egl=no])
AC_ARG_ENABLE([gallium_gbm],
[AS_HELP_STRING([--enable-gallium-gbm],
[enable optional gbm state tracker (not required for
gbm support in Gallium)
@<:@default=disable@:>@])],
[enable_gallium_gbm="$enableval"],
[enable_gallium_gbm=no])
# Option for Gallium drivers
GALLIUM_DRIVERS_DEFAULT="r300,r600,swrast"
......@@ -1304,6 +1311,22 @@ if test "x$enable_gallium_egl" = xyes; then
HAVE_ST_EGL="yes"
fi
dnl
dnl gbm Gallium configuration
dnl
if test "x$enable_gallium_gbm" = xyes; then
if test "x$with_gallium_drivers" = x; then
AC_MSG_ERROR([cannot enable gbm_gallium without Gallium])
fi
if test "x$enable_gbm" = xno; then
AC_MSG_ERROR([cannot enable gbm_gallium without gbm])
fi
GALLIUM_STATE_TRACKERS_DIRS="gbm $GALLIUM_STATE_TRACKERS_DIRS"
GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS gbm"
HAVE_ST_GBM="yes"
fi
dnl
dnl X.Org DDX configuration
dnl
......
TOP = ../../../..
include $(TOP)/configs/current
gbm_INCLUDES = \
-I. \
-I$(TOP)/src/gallium/include \
-I$(TOP)/src/gallium/auxiliary \
-I$(TOP)/src/gbm/main \
-I$(TOP)/include
gbm_SOURCES = $(wildcard *.c)
gbm_OBJECTS = $(gbm_SOURCES:.c=.o)
ALL_INCLUDES = $(gbm_INCLUDES)
ALL_SOURCES = $(gbm_SOURCES)
GBM_OBJECTS = $(gbm_OBJECTS)
GBM_CPPFLAGS = $(gbm_INCLUDES)
##### TARGETS #####
default: depend libgbm.a
libgbm.a: $(GBM_OBJECTS) Makefile
$(MKLIB) -o gbm -static $(GBM_OBJECTS)
depend:
rm -f depend
touch depend
$(MKDEP) $(MKDEP_OPTIONS) $(ALL_INCLUDES) $(ALL_SOURCES) 2> /dev/null
clean:
rm -f libgbm.a
rm -f $(GBM_OBJECTS)
rm -f depend depend.bak
# Dummy target
install:
@echo -n ""
##### RULES #####
$(gbm_OBJECTS): %.o: %.c
$(CC) -c $(GBM_CPPFLAGS) $(DEFINES) $(CFLAGS) $< -o $@
sinclude depend
/*
* 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>
*/
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "state_tracker/drm_driver.h"
#include <unistd.h>
#include <sys/types.h>
#include "gbm_gallium_drmint.h"
static INLINE enum pipe_format
gbm_format_to_gallium(enum gbm_bo_format format)
{
switch (format) {
case GBM_BO_FORMAT_XRGB8888:
return PIPE_FORMAT_B8G8R8X8_UNORM;
case GBM_BO_FORMAT_ARGB8888:
return PIPE_FORMAT_B8G8R8A8_UNORM;
default:
return PIPE_FORMAT_NONE;
}
return PIPE_FORMAT_NONE;
}
static INLINE uint
gbm_usage_to_gallium(uint usage)
{
uint resource_usage = 0;
if (usage & GBM_BO_USE_SCANOUT)
resource_usage |= PIPE_BIND_SCANOUT;
if (usage & GBM_BO_USE_RENDERING)
resource_usage |= PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
if (usage & GBM_BO_USE_CURSOR_64X64)
resource_usage |= PIPE_BIND_CURSOR;
return resource_usage;
}
static int
gbm_gallium_drm_is_format_supported(struct gbm_device *gbm,
enum gbm_bo_format format,
uint32_t usage)
{
struct gbm_gallium_drm_device *gdrm = gbm_gallium_drm_device(gbm);
enum pipe_format pf;
pf = gbm_format_to_gallium(format);
if (pf == PIPE_FORMAT_NONE)
return 0;
if (!gdrm->screen->is_format_supported(gdrm->screen, PIPE_TEXTURE_2D, pf, 0,
gbm_usage_to_gallium(usage)))
return 0;
if (usage & GBM_BO_USE_SCANOUT && format != GBM_BO_FORMAT_XRGB8888)
return 0;
return 1;
}
static void
gbm_gallium_drm_bo_destroy(struct gbm_bo *_bo)
{
struct gbm_gallium_drm_bo *bo = gbm_gallium_drm_bo(_bo);
pipe_resource_reference(&bo->resource, NULL);
free(bo);
}
static struct gbm_bo *
gbm_gallium_drm_bo_create_from_egl_image(struct gbm_device *gbm,
void *egl_dpy, void *egl_image,
uint32_t width, uint32_t height,
uint32_t usage)
{
struct gbm_gallium_drm_device *gdrm = gbm_gallium_drm_device(gbm);
struct gbm_gallium_drm_bo *bo;
struct winsys_handle whandle;
if (!gdrm->lookup_egl_image)
return NULL;
bo = CALLOC_STRUCT(gbm_gallium_drm_bo);
if (bo == NULL)
return NULL;
bo->resource = gdrm->lookup_egl_image(gdrm->lookup_egl_image_data,
egl_image);
if (bo->resource == NULL) {
FREE(bo);
return NULL;
}
bo->base.base.gbm = gbm;
bo->base.base.width = width;
bo->base.base.height = height;
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_KMS;
gdrm->screen->resource_get_handle(gdrm->screen, bo->resource, &whandle);
bo->base.base.handle.u32 = whandle.handle;
bo->base.base.pitch = whandle.stride;
return &bo->base.base;
}
static struct gbm_bo *
gbm_gallium_drm_bo_create(struct gbm_device *gbm,
uint32_t width, uint32_t height,
enum gbm_bo_format format, uint32_t usage)
{
struct gbm_gallium_drm_device *gdrm = gbm_gallium_drm_device(gbm);
struct gbm_gallium_drm_bo *bo;
struct pipe_resource templ;
struct winsys_handle whandle;
enum pipe_format pf;
bo = CALLOC_STRUCT(gbm_gallium_drm_bo);
if (bo == NULL)
return NULL;
bo->base.base.gbm = gbm;
bo->base.base.width = width;
bo->base.base.height = height;
pf = gbm_format_to_gallium(format);
if (pf == PIPE_FORMAT_NONE)
return NULL;
memset(&templ, 0, sizeof(templ));
templ.bind = gbm_usage_to_gallium(usage);
templ.format = pf;
templ.target = PIPE_TEXTURE_2D;
templ.last_level = 0;
templ.width0 = width;
templ.height0 = height;
templ.depth0 = 1;
templ.array_size = 1;
bo->resource = gdrm->screen->resource_create(gdrm->screen, &templ);
if (bo->resource == NULL) {
FREE(bo);
return NULL;
}
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_KMS;
gdrm->screen->resource_get_handle(gdrm->screen, bo->resource, &whandle);
bo->base.base.handle.u32 = whandle.handle;
bo->base.base.pitch = whandle.stride;
return &bo->base.base;
}
static void
gbm_gallium_drm_destroy(struct gbm_device *gbm)
{
struct gbm_gallium_drm_device *gdrm = gbm_gallium_drm_device(gbm);
gdrm->screen->destroy(gdrm->screen);
FREE(gdrm->base.driver_name);
FREE(gdrm);
}
struct gbm_device *
gbm_gallium_drm_device_create(int fd)
{
struct gbm_gallium_drm_device *gdrm;
int ret;
gdrm = calloc(1, sizeof *gdrm);
gdrm->base.base.fd = fd;
gdrm->base.base.bo_create = gbm_gallium_drm_bo_create;
gdrm->base.base.bo_create_from_egl_image =
gbm_gallium_drm_bo_create_from_egl_image;
gdrm->base.base.bo_destroy = gbm_gallium_drm_bo_destroy;
gdrm->base.base.is_format_supported = gbm_gallium_drm_is_format_supported;
gdrm->base.base.destroy = gbm_gallium_drm_destroy;
gdrm->base.type = GBM_DRM_DRIVER_TYPE_GALLIUM;
gdrm->base.base.name = "drm";
ret = gallium_screen_create(gdrm);
if (ret) {
free(gdrm);
return NULL;
}
return &gdrm->base.base;
}
/*
* 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_GALLIUM_DRMINT_H_
#define _GBM_GALLIUM_DRMINT_H_
#include "pipe/p_state.h"
#include "gbmint.h"
#include "common.h"
#include "common_drm.h"
struct gbm_gallium_drm_device {
struct gbm_drm_device base;
struct pipe_screen *screen;
void *driver;
struct pipe_resource *(*lookup_egl_image)(void *data,
void *egl_image);
void *lookup_egl_image_data;
};
struct gbm_gallium_drm_bo {
struct gbm_drm_bo base;
struct pipe_resource *resource;
};
static inline struct gbm_gallium_drm_device *
gbm_gallium_drm_device(struct gbm_device *gbm)
{
return (struct gbm_gallium_drm_device *) gbm;
}
static inline struct gbm_gallium_drm_bo *
gbm_gallium_drm_bo(struct gbm_bo *bo)
{
return (struct gbm_gallium_drm_bo *) bo;
}
struct gbm_device *
gbm_gallium_drm_device_create(int fd);
int
gallium_screen_create(struct gbm_gallium_drm_device *gdrm);
#endif
# src/gallium/targets/gbm/Makefile
TOP = ../../../..
include $(TOP)/configs/current
PIPE_PREFIX := pipe_
GBM_BACKEND = gbm_gallium_drm
GBM_SOURCES = gbm.c pipe_loader.c
GBM_INCLUDES = \
-I$(TOP)/include \
-I$(TOP)/src/gallium/state_trackers/gbm \
-I$(TOP)/src/gbm/main \
-I$(TOP)/src/gallium/auxiliary \
-I$(TOP)/src/gallium/include \
GBM_LIBS = $(LIBUDEV_LIBS) $(LIBDRM_LIB) \
$(TOP)/src/gallium/state_trackers/gbm/libgbm.a \
$(TOP)/src/gallium/drivers/identity/libidentity.a \
$(TOP)/src/gallium/drivers/trace/libtrace.a \
$(TOP)/src/gallium/drivers/rbug/librbug.a \
$(GALLIUM_AUXILIARIES)
GBM_CFLAGS = \
-D_EGL_GALLIUM_DRIVER_SEARCH_DIR=\"$(EGL_DRIVER_INSTALL_DIR)\" \
-DPIPE_PREFIX=\"$(PIPE_PREFIX)\" \
$(LIBUDEV_CFLAGS) \
$(LIBDRM_CFLAGS)
include $(TOP)/src/gbm/backends/Makefile.template
/*
* 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>
*/
#include "util/u_inlines.h"
#include "gbm_gallium_drmint.h"
#include "pipe_loader.h"
static struct pipe_screen *
create_drm_screen(const char *name, int fd)
{
struct pipe_module *pmod = get_pipe_module(name);
return (pmod && pmod->drmdd && pmod->drmdd->create_screen) ?
pmod->drmdd->create_screen(fd) : NULL;
}
int
gallium_screen_create(struct gbm_gallium_drm_device *gdrm)
{
gdrm->base.driver_name = drm_fd_get_screen_name(gdrm->base.base.fd);
if (gdrm->base.driver_name == NULL)
return -1;
gdrm->screen = create_drm_screen(gdrm->base.driver_name, gdrm->base.base.fd);
if (gdrm->screen == NULL) {
debug_printf("failed to load driver: %s\n", gdrm->base.driver_name);
return -1;
};
return 0;
}
GBM_EXPORT struct gbm_backend gbm_backend = {
.backend_name = "gallium_drm",
.create_device = gbm_gallium_drm_device_create,
};
/*
* 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:
* Kristian Høgsberg <krh@bitplanet.net>
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#include <stdio.h>
#include "util/u_string.h"
#include "util/u_memory.h"
#include <libudev.h>
#include "gbm_gallium_drmint.h"
#include "pipe_loader.h"
#define DRIVER_MAP_GALLIUM_ONLY
#include "pci_ids/pci_id_driver_map.h"
static struct pipe_module pipe_modules[16];
static INLINE char *
loader_strdup(const char *str)
{
return mem_dup(str, strlen(str) + 1);
}
char *
drm_fd_get_screen_name(int fd)
{
struct udev *udev;
struct udev_device *device, *parent;
const char *pci_id;
char *driver = NULL;
int vendor_id, chip_id, i, j;
udev = udev_new();
device = _gbm_udev_device_new_from_fd(udev, fd);
if (device == NULL)
return NULL;
parent = udev_device_get_parent(device);
if (parent == NULL) {
fprintf(stderr, "gbm: could not get parent device");
goto out;
}
pci_id = udev_device_get_property_value(parent, "PCI_ID");
if (pci_id == NULL ||
sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) {
fprintf(stderr, "gbm: malformed or no PCI ID");
goto out;
}
for (i = 0; driver_map[i].driver; i++) {
if (vendor_id != driver_map[i].vendor_id)
continue;
if (driver_map[i].num_chips_ids == -1) {
driver = loader_strdup(driver_map[i].driver);
_gbm_log("pci id for %d: %04x:%04x, driver %s",
fd, vendor_id, chip_id, driver);
goto out;
}
for (j = 0; j < driver_map[i].num_chips_ids; j++)
if (driver_map[i].chip_ids[j] == chip_id) {
driver = loader_strdup(driver_map[i].driver);
_gbm_log("pci id for %d: %04x:%04x, driver %s",
fd, vendor_id, chip_id, driver);
goto out;
}
}
out:
udev_device_unref(device);
udev_unref(udev);
return driver;
}
static void
find_pipe_module(struct pipe_module *pmod, const char *name)
{
char *search_paths, *end, *next, *p;
char path[PATH_MAX];
int ret;
search_paths = NULL;
if (geteuid() == getuid()) {
/* don't allow setuid apps to use EGL_DRIVERS_PATH */
search_paths = getenv("EGL_DRIVERS_PATH");
}
if (search_paths == NULL)
search_paths = _EGL_GALLIUM_DRIVER_SEARCH_DIR;
end = search_paths + strlen(search_paths);
for (p = search_paths; p < end && pmod->lib == NULL; p = next + 1) {
int len;
next = strchr(p, ':');
if (next == NULL)
next = end;
len = next - p;
if (len) {
ret = util_snprintf(path, sizeof(path),
"%.*s/" PIPE_PREFIX "%s" UTIL_DL_EXT, len, p, pmod->name);
}
else {
ret = util_snprintf(path, sizeof(path),
PIPE_PREFIX "%s" UTIL_DL_EXT, pmod->name);
}
if (ret > 0 && ret < sizeof(path)) {
pmod->lib = util_dl_open(path);
debug_printf("loaded %s\n", path);
}
}
}
static boolean
load_pipe_module(struct pipe_module *pmod, const char *name)
{
pmod->name = loader_strdup(name);
if (!pmod->name)
return FALSE;
find_pipe_module(pmod, name);
if (pmod->lib) {
pmod->drmdd = (const struct drm_driver_descriptor *)
util_dl_get_proc_address(pmod->lib, "driver_descriptor");
/* sanity check on the name */
if (pmod->drmdd && strcmp(pmod->drmdd->name, pmod->name) != 0)
pmod->drmdd = NULL;
if (!pmod->drmdd) {
util_dl_close(pmod->lib);
pmod->lib = NULL;
}