/*
* Mesa 3-D graphics library
*
* Copyright (C) 2010-2011 LunarG Inc.
*
* 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 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:
* Chia-I Wu <olv@lunarg.com>
*/
#include "common/egl_g3d_loader.h"
#include "egldriver.h"
#include "egllog.h"
#ifdef HAVE_LIBUDEV
#include <stdio.h> /* for sscanf */
#include <libudev.h>
#endif
#define DRIVER_MAP_GALLIUM_ONLY
#include "pci_ids/pci_id_driver_map.h"
#include "egl_pipe.h"
#include "egl_st.h"
static struct egl_g3d_loader egl_g3d_loader;
static struct st_module {
boolean initialized;
struct st_api *stapi;
} st_modules[ST_API_COUNT];
static struct st_api *
get_st_api(enum st_api_type api)
{
struct st_module *stmod = &st_modules[api];
if (!stmod->initialized) {
stmod->stapi = egl_st_create_api(api);
stmod->initialized = TRUE;
}
return stmod->stapi;
}
#ifdef HAVE_LIBUDEV
static boolean
drm_fd_get_pci_id(int fd, int *vendor_id, int *chip_id)
{
struct udev *udev = NULL;
struct udev_device *device = NULL, *parent;
struct stat buf;
const char *pci_id;
*chip_id = -1;
udev = udev_new();
if (fstat(fd, &buf) < 0) {
_eglLog(_EGL_WARNING, "failed to stat fd %d", fd);
goto out;
}
device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev);
if (device == NULL) {
_eglLog(_EGL_WARNING,
"could not create udev device for fd %d", fd);
goto out;
}
parent = udev_device_get_parent(device);
if (parent == NULL) {
_eglLog(_EGL_WARNING, "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) {
_eglLog(_EGL_WARNING, "malformed or no PCI ID");
*chip_id = -1;
goto out;
}
out:
if (device)
udev_device_unref(device);
if (udev)
udev_unref(udev);
return (*chip_id >= 0);
}
#elif defined(PIPE_OS_ANDROID) && !defined(_EGL_NO_DRM)
#include <xf86drm.h>
/* for i915 */
#include <i915_drm.h>
/* for radeon */
#include <radeon_drm.h>
/* for util_strcmp */
#include "util/u_string.h"
static boolean
drm_fd_get_pci_id(int fd, int *vendor_id, int *chip_id)
{
drmVersionPtr version;
*chip_id = -1;
version = drmGetVersion(fd);
if (!version) {
_eglLog(_EGL_WARNING, "invalid drm fd");
return FALSE;
}
if (!version->name) {
_eglLog(_EGL_WARNING, "unable to determine the driver name");
drmFreeVersion(version);
return FALSE;
}
if (util_strcmp(version->name, "i915") == 0) {
struct drm_i915_getparam gp;
int ret;
*vendor_id = 0x8086;
gp.param = I915_PARAM_CHIPSET_ID;
gp.value = chip_id;
ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
if (ret) {
_eglLog(_EGL_WARNING, "failed to get param for i915");
*chip_id = -1;
}
}
else if (util_strcmp(version->name, "radeon") == 0) {
struct drm_radeon_info info;
int ret;
*vendor_id = 0x1002;
memset(&info
, 0, sizeof(info
));
info.request = RADEON_INFO_DEVICE_ID;
info.value = (unsigned long) chip_id;
ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
if (ret) {
_eglLog(_EGL_WARNING, "failed to get info for radeon");
*chip_id = -1;
}
}
else if (util_strcmp(version->name, "nouveau") == 0) {
*vendor_id = 0x10de;
/* not used */
*chip_id = 0;
}
else if (util_strcmp(version->name, "vmwgfx") == 0) {
*vendor_id = 0x15ad;
/* assume SVGA II */
*chip_id = 0x0405;
}
drmFreeVersion(version);
return (*chip_id >= 0);
}
#else
static boolean
drm_fd_get_pci_id(int fd, int *vendor_id, int *chip_id)
{
return FALSE;
}
#endif /* HAVE_LIBUDEV */
static const char *
drm_fd_get_screen_name(int fd)
{
int vendor_id, chip_id;
int idx, i;
if (!drm_fd_get_pci_id(fd, &vendor_id, &chip_id)) {
_eglLog(_EGL_WARNING, "failed to get driver name for fd %d", fd);
return NULL;
}
for (idx = 0; driver_map[idx].driver; idx++) {
if (vendor_id != driver_map[idx].vendor_id)
continue;
/* done if no chip id */
if (driver_map[idx].num_chips_ids == -1)
break;
for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
if (driver_map[idx].chip_ids[i] == chip_id)
break;
}
/* matched! */
if (i < driver_map[idx].num_chips_ids)
break;
}
_eglLog((driver_map[idx].driver) ? _EGL_INFO : _EGL_WARNING,
"pci id for fd %d: %04x:%04x, driver %s",
fd, vendor_id, chip_id, driver_map[idx].driver);
return driver_map[idx].driver;
}
static struct pipe_screen *
create_drm_screen(const char *name, int fd)
{
struct pipe_screen *screen;
if (!name) {
name = drm_fd_get_screen_name(fd);
if (!name)
return NULL;
}
screen = egl_pipe_create_drm_screen(name, fd);
if (screen)
_eglLog(_EGL_INFO, "created a pipe screen for %s", name);
else
_eglLog(_EGL_WARNING, "failed to create a pipe screen for %s", name);
return screen;
}
static struct pipe_screen *
create_sw_screen(struct sw_winsys *ws)
{
return egl_pipe_create_swrast_screen(ws);
}
static const struct egl_g3d_loader *
loader_init(void)
{
int i;
for (i = 0; i < ST_API_COUNT; i++)
egl_g3d_loader.profile_masks[i] = egl_st_get_profile_mask(i);
egl_g3d_loader.get_st_api = get_st_api;
egl_g3d_loader.create_drm_screen = create_drm_screen;
egl_g3d_loader.create_sw_screen = create_sw_screen;
return &egl_g3d_loader;
}
static void
loader_fini(void)
{
int i;
for (i = 0; i < ST_API_COUNT; i++) {
struct st_module *stmod = &st_modules[i];
if (stmod->stapi) {
egl_st_destroy_api(stmod->stapi);
stmod->stapi = NULL;
}
stmod->initialized = FALSE;
}
}
static void
egl_g3d_unload(_EGLDriver *drv)
{
egl_g3d_destroy_driver(drv);
loader_fini();
}
_EGLDriver *
_EGL_MAIN(const char *args)
{
const struct egl_g3d_loader *loader;
_EGLDriver *drv;
loader = loader_init();
drv = egl_g3d_create_driver(loader);
if (!drv) {
loader_fini();
return NULL;
}
drv->Name = "Gallium";
drv->Unload = egl_g3d_unload;
return drv;
}
EGLBoolean
_eglError(EGLint errCode, const char *msg)
{
return EGL_FALSE;
}
void
_eglLog(EGLint level, const char *fmtStr, ...)
{
}
void
_eglDestroyArray(_EGLArray *array, void (*free_cb)(void *))
{
}
void
_eglInitScreen(_EGLScreen *screen, _EGLDisplay *dpy, EGLint num_modes)
{
}
void
_eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *display)
{
}
EGLScreenMESA
_eglLinkScreen(_EGLScreen *screen)
{
}
EGLBoolean
_eglValidateConfig(const _EGLConfig *conf, EGLBoolean for_matching)
{
return EGL_FALSE;
}
void
_eglInitConfig(_EGLConfig *conf, _EGLDisplay *dpy, EGLint id)
{
}
void
_eglCleanupDisplay(_EGLDisplay *disp)
{
}
PUBLIC EGLConfig
_eglLinkConfig(_EGLConfig *conf)
{
}
EGLBoolean
_eglPutResource(_EGLResource *res)
{
return EGL_FALSE;
}
_EGLContext *
_eglGetCurrentContext(void)
{
return NULL;
}
EGLBoolean
_eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
_EGLConfig *conf, const EGLint *attrib_list)
{
return EGL_FALSE;
}
EGLBoolean
_eglBindContext(_EGLContext *ctx, _EGLSurface *draw, _EGLSurface *read,
_EGLContext **old_ctx,
_EGLSurface **old_draw, _EGLSurface **old_read)
{
return EGL_FALSE;
}
PUBLIC _EGLContext *
_eglGetAPIContext(EGLenum api)
{
return NULL;
}
EGLBoolean
_eglInitContext(_EGLContext *ctx, _EGLDisplay *dpy, _EGLConfig *conf,
const EGLint *attrib_list)
{
return EGL_FALSE;
}
EGLint
_eglCompareConfigs(const _EGLConfig *conf1, const _EGLConfig *conf2,
const _EGLConfig *criteria, EGLBoolean compare_id)
{
return 0;
}
EGLBoolean
_eglMatchConfig(const _EGLConfig *conf, const _EGLConfig *criteria)
{
return EGL_FALSE;
}
EGLBoolean
_eglParseConfigAttribList(_EGLConfig *conf, _EGLDisplay *dpy,
const EGLint *attrib_list)
{
return EGL_FALSE;
}
EGLBoolean
_eglFilterConfigArray(_EGLArray *array, EGLConfig *configs,
EGLint config_size, EGLint *num_configs,
EGLBoolean (*match)(const _EGLConfig *, void *),
EGLint (*compare)(const _EGLConfig *, const _EGLConfig *,
void *),
void *priv_data)
{
return EGL_FALSE;
}
EGLBoolean
_eglInitImage(_EGLImage *img, _EGLDisplay *dpy)
{
return EGL_TRUE;
}
EGLint
_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy,
const EGLint *attrib_list)
{
return 0;
}
EGLBoolean
_eglInitSync(_EGLSync *sync, _EGLDisplay *dpy, EGLenum type,
const EGLint *attrib_list)
{
return EGL_TRUE;
}
void
_eglGetResource(_EGLResource *res)
{
}
EGLBoolean
_eglCheckResource(void *res, int type, _EGLDisplay *dpy)
{
return EGL_TRUE;
}
void
_eglInitDriverFallbacks(_EGLDriver *drv)
{
}