static char *
drm_get_device_name(int fd)
{
char *device_name = NULL;
#ifdef HAVE_LIBUDEV
struct udev *udev;
struct udev_device *device;
struct stat buf;
const char *tmp;
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;
}
tmp = udev_device_get_devnode(device);
if (!tmp)
goto out;
device_name = strdup(tmp);
out:
udev_device_unref(device);
udev_unref(udev);
#endif
return device_name;
}
/**
* Initialize DRI2 and pipe screen.
*/
static boolean
dri2_display_init_screen(struct native_display *ndpy)
{
struct dri2_display *dri2dpy = dri2_display(ndpy);
int fd;
if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) ||
!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_GLX)) {
_eglLog(_EGL_WARNING, "GLX/DRI2 is not supported");
return FALSE;
}
dri2dpy->dri_driver = x11_screen_probe_dri2(dri2dpy->xscr,
&dri2dpy->dri_major, &dri2dpy->dri_minor);
fd = x11_screen_enable_dri2(dri2dpy->xscr,
dri2_display_invalidate_buffers, &dri2dpy->base);
if (fd < 0)
return FALSE;
dri2dpy->base.screen =
dri2dpy->event_handler->new_drm_screen(&dri2dpy->base,
dri2dpy->dri_driver, fd);
if (!dri2dpy->base.screen) {
_eglLog(_EGL_DEBUG, "failed to create DRM screen");
return FALSE;
}
return TRUE;
}
static struct st_api *
egl_st_load_gl(void)
{
const char module[] = "st_GL";
const char symbol[] = "st_api_create_OpenGL";
struct st_api *stapi;
stapi = load_gl(module, symbol);
/* try again with libglapi.so loaded */
if (!stapi) {
struct util_dl_library *glapi = util_dl_open("libglapi" UTIL_DL_EXT);
if (glapi) {
_eglLog(_EGL_DEBUG, "retry with libglapi" UTIL_DL_EXT " loaded");
stapi = load_gl(module, symbol);
util_dl_close(glapi);
}
}
if (!stapi)
_eglLog(_EGL_WARNING, "unable to load %s" UTIL_DL_EXT, module);
return stapi;
}
/**
* Open the named driver and find its bootstrap function: _eglMain().
*/
static _EGLMain_t
_eglOpenLibrary(const char *driverPath, lib_handle *handle)
{
lib_handle lib;
_EGLMain_t mainFunc = NULL;
const char *error = "unknown error";
assert(driverPath);
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverPath);
lib = load_library(driverPath);
if (!lib) {
_eglLog(_EGL_WARNING, "Could not open driver %s (%s)",
driverPath, error);
return NULL;
}
mainFunc = (_EGLMain_t) get_proc_address(lib, "_eglMain");
if (!mainFunc) {
_eglLog(_EGL_WARNING, "_eglMain not found in %s (%s)",
driverPath, error);
return NULL;
}
*handle = lib;
return mainFunc;
}
static EGLBoolean
haiku_add_configs_for_visuals(_EGLDisplay *dpy)
{
printf("Adding configs\n");
struct haiku_egl_config* conf;
conf = CALLOC_STRUCT(haiku_egl_config);
_eglInitConfig(&conf->base, dpy, 1);
_eglLog(_EGL_DEBUG,"Config inited\n");
_eglSetConfigKey(&conf->base, EGL_RED_SIZE, 8);
_eglSetConfigKey(&conf->base, EGL_BLUE_SIZE, 8);
_eglSetConfigKey(&conf->base, EGL_GREEN_SIZE, 8);
_eglSetConfigKey(&conf->base, EGL_LUMINANCE_SIZE, 0);
_eglSetConfigKey(&conf->base, EGL_ALPHA_SIZE, 8);
_eglSetConfigKey(&conf->base, EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER);
EGLint r = (_eglGetConfigKey(&conf->base, EGL_RED_SIZE)
+ _eglGetConfigKey(&conf->base, EGL_GREEN_SIZE)
+ _eglGetConfigKey(&conf->base, EGL_BLUE_SIZE)
+ _eglGetConfigKey(&conf->base, EGL_ALPHA_SIZE));
_eglSetConfigKey(&conf->base, EGL_BUFFER_SIZE, r);
_eglSetConfigKey(&conf->base, EGL_CONFIG_CAVEAT, EGL_NONE);
_eglSetConfigKey(&conf->base, EGL_CONFIG_ID, 1);
_eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE);
_eglSetConfigKey(&conf->base, EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE);
_eglSetConfigKey(&conf->base, EGL_STENCIL_SIZE, 0);
_eglSetConfigKey(&conf->base, EGL_TRANSPARENT_TYPE, EGL_NONE);
_eglSetConfigKey(&conf->base, EGL_NATIVE_RENDERABLE, EGL_TRUE); // Let's say yes
_eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_ID, 0); // No visual
_eglSetConfigKey(&conf->base, EGL_NATIVE_VISUAL_TYPE, EGL_NONE); // No visual
_eglSetConfigKey(&conf->base, EGL_RENDERABLE_TYPE, 0x8);
_eglSetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS, 0); // TODO: How to get the right value ?
_eglSetConfigKey(&conf->base, EGL_SAMPLES, _eglGetConfigKey(&conf->base, EGL_SAMPLE_BUFFERS) == 0 ? 0 : 0);
_eglSetConfigKey(&conf->base, EGL_DEPTH_SIZE, 24); // TODO: How to get the right value ?
_eglSetConfigKey(&conf->base, EGL_LEVEL, 0);
_eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_WIDTH, 0); // TODO: How to get the right value ?
_eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_HEIGHT, 0); // TODO: How to get the right value ?
_eglSetConfigKey(&conf->base, EGL_MAX_PBUFFER_PIXELS, 0); // TODO: How to get the right value ?
_eglSetConfigKey(&conf->base, EGL_SURFACE_TYPE, EGL_WINDOW_BIT /*| EGL_PIXMAP_BIT | EGL_PBUFFER_BIT*/);
printf("Config configuated\n");
if (!_eglValidateConfig(&conf->base, EGL_FALSE)) {
_eglLog(_EGL_DEBUG, "Haiku failed to validate config");
return EGL_FALSE;
}
printf("Validated config\n");
_eglLinkConfig(&conf->base);
if (!_eglGetArraySize(dpy->Configs)) {
_eglLog(_EGL_WARNING, "Haiku: failed to create any config");
return EGL_FALSE;
}
printf("Config successful!\n");
return EGL_TRUE;
}
EGLBoolean
init_haiku(_EGLDriver *drv, _EGLDisplay *dpy)
{
_eglLog(_EGL_DEBUG,"\nInitializing Haiku EGL\n");
//_EGLDisplay* egl_dpy;
printf("Initializing Haiku EGL\n");
_eglSetLogProc(haiku_log);
loader_set_logger(_eglLog);
/*egl_dpy = (_EGLDisplay*) calloc(1, sizeof(_EGLDisplay));
if (!egl_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
dpy->DriverData=(void*) egl_dpy;
if (!dpy->PlatformDisplay) {
// OPEN DEVICE
//dri2_dpy->bwindow = (void*)haiku_create_window();
//dri2_dpy->own_device = true;
} else {
//dri2_dpy->bwindow = (BWindow*)dpy->PlatformDisplay;
}*/
//dri2_dpy->driver_name = strdup("swrast");
//if (!dri2_load_driver_swrast(dpy))
// goto cleanup_conn;
/*dri2_dpy->swrast_loader_extension.base.name = __DRI_SWRAST_LOADER;
dri2_dpy->swrast_loader_extension.base.version = __DRI_SWRAST_LOADER_VERSION;
dri2_dpy->swrast_loader_extension.getDrawableInfo = swrastGetDrawableInfo;
dri2_dpy->swrast_loader_extension.putImage = swrastPutImage;
dri2_dpy->swrast_loader_extension.getImage = swrastGetImage;
dri2_dpy->extensions[0] = &dri2_dpy->swrast_loader_extension.base;
dri2_dpy->extensions[1] = NULL;
dri2_dpy->extensions[2] = NULL;*/
/*if (dri2_dpy->bwindow) {
if (!dri2_haiku_add_configs_for_visuals(dri2_dpy, dpy))
goto cleanup_configs;
}*/
_eglLog(_EGL_DEBUG,"Add configs");
haiku_add_configs_for_visuals(dpy);
dpy->VersionMajor=1;
dpy->VersionMinor=4;
//dpy->Extensions.KHR_create_context = true;
//dri2_dpy->vtbl = &dri2_haiku_display_vtbl;
_eglLog(_EGL_DEBUG, "Initialization finished");
return EGL_TRUE;
}
/**
* Enable DRI2 and returns the file descriptor of the DRM device. The file
* descriptor will be closed automatically when the screen is destoryed.
*/
int
x11_screen_enable_dri2(struct x11_screen *xscr,
x11_drawable_invalidate_buffers invalidate_buffers,
void *user_data)
{
if (xscr->dri_fd < 0) {
int fd;
drm_magic_t magic;
/* get the driver name and the device name first */
if (!x11_screen_probe_dri2(xscr, NULL, NULL))
return -1;
fd = open(xscr->dri_device, O_RDWR);
if (fd < 0) {
_eglLog(_EGL_WARNING, "failed to open %s", xscr->dri_device);
return -1;
}
memset(&magic, 0, sizeof(magic));
if (drmGetMagic(fd, &magic)) {
_eglLog(_EGL_WARNING, "failed to get magic");
close(fd);
return -1;
}
if (!DRI2Authenticate(xscr->dpy,
RootWindow(xscr->dpy, xscr->number), magic)) {
_eglLog(_EGL_WARNING, "failed to authenticate magic");
close(fd);
return -1;
}
if (!x11_screen_init_glx(xscr)) {
_eglLog(_EGL_WARNING, "failed to initialize GLX");
close(fd);
return -1;
}
if (xscr->glx_dpy->xscr) {
_eglLog(_EGL_WARNING,
"display is already managed by another x11 screen");
close(fd);
return -1;
}
xscr->glx_dpy->xscr = xscr;
xscr->dri_invalidate_buffers = invalidate_buffers;
xscr->dri_user_data = user_data;
xscr->dri_fd = fd;
}
return xscr->dri_fd;
}
_EGLContext*
haiku_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
_EGLContext *share_list, const EGLint *attrib_list)
{
_eglLog(_EGL_DEBUG,"Creating context");
struct haiku_egl_context* context;
context=(struct haiku_egl_context*)calloc(1,sizeof (*context));
if(!_eglInitContext(&context->ctx, disp, conf, attrib_list))
printf("ERROR creating context");
_eglLog(_EGL_DEBUG, "Context created");
return &context->ctx;
}
/**
* Open the named driver and find its bootstrap function: _eglMain().
*/
static _EGLMain_t
_eglOpenLibrary(const char *driverPath, lib_handle *handle)
{
lib_handle lib;
_EGLMain_t mainFunc = NULL;
const char *error = "unknown error";
assert(driverPath);
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverPath);
lib = open_library(driverPath);
#if defined(_EGL_PLATFORM_WINDOWS)
/* XXX untested */
if (lib)
mainFunc = (_EGLMain_t) GetProcAddress(lib, "_eglMain");
#elif defined(_EGL_PLATFORM_X)
if (lib) {
mainFunc = (_EGLMain_t) dlsym(lib, "_eglMain");
if (!mainFunc)
error = dlerror();
}
else {
error = dlerror();
}
#else /* _EGL_PLATFORM_NO_OS */
/* must be the default driver name */
if (strcmp(driverPath, DefaultDriverName) == 0)
mainFunc = (_EGLMain_t) _eglMain;
else
error = "not builtin driver";
#endif
if (!lib) {
_eglLog(_EGL_WARNING, "Could not open driver %s (%s)",
driverPath, error);
if (!getenv("EGL_DRIVER"))
_eglLog(_EGL_WARNING,
"The driver can be overridden by setting EGL_DRIVER");
return NULL;
}
if (!mainFunc) {
_eglLog(_EGL_WARNING, "_eglMain not found in %s (%s)",
driverPath, error);
if (lib)
close_library(lib);
return NULL;
}
*handle = lib;
return mainFunc;
}
/**
* Open the named driver and find its bootstrap function: _eglMain().
*/
static _EGLMain_t
_eglOpenLibrary(const char *driverPath, lib_handle *handle)
{
lib_handle lib;
_EGLMain_t mainFunc = NULL;
const char *error = "unknown error";
assert(driverPath);
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverPath);
lib = open_library(driverPath);
#if defined(_EGL_OS_WINDOWS)
/* XXX untested */
if (lib)
mainFunc = (_EGLMain_t) GetProcAddress(lib, "_eglMain");
#elif defined(_EGL_OS_UNIX)
if (lib) {
union {
_EGLMain_t func;
void *ptr;
} tmp = { NULL };
/* direct cast gives a warning when compiled with -pedantic */
tmp.ptr = dlsym(lib, "_eglMain");
mainFunc = tmp.func;
if (!mainFunc)
error = dlerror();
}
else {
error = dlerror();
}
#endif
if (!lib) {
_eglLog(_EGL_WARNING, "Could not open driver %s (%s)",
driverPath, error);
if (!getenv("EGL_DRIVER"))
_eglLog(_EGL_WARNING,
"The driver can be overridden by setting EGL_DRIVER");
return NULL;
}
if (!mainFunc) {
_eglLog(_EGL_WARNING, "_eglMain not found in %s (%s)",
driverPath, error);
if (lib)
close_library(lib);
return NULL;
}
*handle = lib;
return mainFunc;
}
char *
dri2_get_driver_for_fd(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 = dri2_udev_device_new_from_fd(udev, fd);
if (device == NULL)
return NULL;
parent = udev_device_get_parent(device);
if (parent == NULL) {
_eglLog(_EGL_WARNING, "DRI2: 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, "EGL-DRI2: 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 = strdup(driver_map[i].driver);
_eglLog(_EGL_DEBUG, "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 = strdup(driver_map[i].driver);
_eglLog(_EGL_DEBUG, "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 struct pipe_resource *
egl_g3d_reference_drm_buffer(_EGLDisplay *dpy, EGLint name,
_EGLImage *img, const EGLint *attribs)
{
struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
_EGLImageAttribs attrs;
EGLint format;
struct native_buffer nbuf;
if (!dpy->Extensions.MESA_drm_image)
return NULL;
if (_eglParseImageAttribList(&attrs, dpy, attribs) != EGL_SUCCESS)
return NULL;
if (attrs.Width <= 0 || attrs.Height <= 0 ||
attrs.DRMBufferStrideMESA <= 0) {
_eglLog(_EGL_DEBUG, "bad width, height, or stride (%dx%dx%d)",
attrs.Width, attrs.Height, attrs.DRMBufferStrideMESA);
return NULL;
}
switch (attrs.DRMBufferFormatMESA) {
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
format = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
default:
_eglLog(_EGL_DEBUG, "bad image format value 0x%04x",
attrs.DRMBufferFormatMESA);
return NULL;
break;
}
memset(&nbuf, 0, sizeof(nbuf));
nbuf.type = NATIVE_BUFFER_DRM;
nbuf.u.drm.templ.target = PIPE_TEXTURE_2D;
nbuf.u.drm.templ.format = format;
nbuf.u.drm.templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
nbuf.u.drm.templ.width0 = attrs.Width;
nbuf.u.drm.templ.height0 = attrs.Height;
nbuf.u.drm.templ.depth0 = 1;
nbuf.u.drm.templ.array_size = 1;
nbuf.u.drm.name = name;
nbuf.u.drm.stride =
attrs.DRMBufferStrideMESA * util_format_get_blocksize(format);
return gdpy->native->buffer->import_buffer(gdpy->native, &nbuf);
}
static void
drm_get_device_id(struct drm_device *device)
{
char path[512];
FILE *file;
char *ret;
/* TODO get the real minor */
int minor = 0;
device->deviceID = 0;
snprintf(path, sizeof(path), "/sys/class/drm/card%d/device/device", minor);
file = fopen(path, "r");
if (!file) {
_eglLog(_EGL_WARNING, "Could not retrive device ID\n");
return;
}
ret = fgets(path, sizeof( path ), file);
fclose(file);
if (!ret)
return;
sscanf(path, "%x", &device->deviceID);
}
/**
* Finish display management.
*/
void
_eglFiniDisplay(void)
{
_EGLDisplay *dpyList, *dpy;
/* atexit function is called with global mutex locked */
dpyList = _eglGlobal.DisplayList;
while (dpyList) {
EGLint i;
/* pop list head */
dpy = dpyList;
dpyList = dpyList->Next;
for (i = 0; i < _EGL_NUM_RESOURCES; i++) {
if (dpy->ResourceLists[i]) {
_eglLog(_EGL_DEBUG, "Display %p is destroyed with resources", dpy);
break;
}
}
free(dpy);
}
_eglGlobal.DisplayList = NULL;
}
static EGLBoolean
droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
const struct {
int format;
unsigned int rgba_masks[4];
} visuals[] = {
{ HAL_PIXEL_FORMAT_RGBA_8888, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
{ HAL_PIXEL_FORMAT_RGBX_8888, { 0xff, 0xff00, 0xff0000, 0x0 } },
{ HAL_PIXEL_FORMAT_RGB_888, { 0xff, 0xff00, 0xff0000, 0x0 } },
{ HAL_PIXEL_FORMAT_RGB_565, { 0xf800, 0x7e0, 0x1f, 0x0 } },
{ HAL_PIXEL_FORMAT_BGRA_8888, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
{ 0, 0, { 0, 0, 0, 0 } }
};
int count, i, j;
count = 0;
for (i = 0; visuals[i].format; i++) {
int format_count = 0;
for (j = 0; dri2_dpy->driver_configs[j]; j++) {
const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
struct dri2_egl_config *dri2_conf;
unsigned int double_buffered = 0;
dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[j],
__DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered);
/* support only double buffered configs */
if (!double_buffered)
continue;
dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
count + 1, surface_type, NULL, visuals[i].rgba_masks);
if (dri2_conf) {
dri2_conf->base.NativeVisualID = visuals[i].format;
dri2_conf->base.NativeVisualType = visuals[i].format;
count++;
format_count++;
}
}
if (!format_count) {
_eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
visuals[i].format);
}
}
/* post-process configs */
for (i = 0; i < dpy->Configs->Size; i++) {
struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
/* there is no front buffer so no OpenGL */
dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
}
return (count != 0);
}
EGLBoolean
_eglPointerIsDereferencable(void *p)
{
#ifdef HAVE_MINCORE
uintptr_t addr = (uintptr_t) p;
unsigned char valid = 0;
const long page_size = getpagesize();
if (p == NULL)
return EGL_FALSE;
/* align addr to page_size */
addr &= ~(page_size - 1);
if (mincore((void *) addr, page_size, &valid) < 0) {
_eglLog(_EGL_DEBUG, "mincore failed: %m");
return EGL_FALSE;
}
/* mincore() returns 0 on success, and -1 on failure. The last parameter
* is a vector of bytes with one entry for each page queried. mincore
* returns page residency information in the first bit of each byte in the
* vector.
*
* Residency doesn't actually matter when determining whether a pointer is
* dereferenceable, so the output vector can be ignored. What matters is
* whether mincore succeeds. See:
*
* http://man7.org/linux/man-pages/man2/mincore.2.html
*/
return EGL_TRUE;
#else
return p != NULL;
#endif
}
static int
dri2_x11_do_authenticate(struct dri2_egl_display *dri2_dpy, uint32_t id)
{
xcb_dri2_authenticate_reply_t *authenticate;
xcb_dri2_authenticate_cookie_t authenticate_cookie;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
int ret = 0;
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglLog(_EGL_WARNING, "DRI2: failed to get xcb screen");
return -1;
}
authenticate_cookie =
xcb_dri2_authenticate_unchecked(dri2_dpy->conn, screen->root, id);
authenticate =
xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL);
if (authenticate == NULL || !authenticate->authenticated)
ret = -1;
free(authenticate);
return ret;
}
/**
* Load a driver and save it.
*/
const char *
_eglPreloadDriver(_EGLDisplay *dpy)
{
char *path, *args;
_EGLDriver *drv;
EGLint i;
path = _eglChooseDriver(dpy, &args);
if (!path)
return NULL;
for (i = 0; i < _eglGlobal.NumDrivers; i++) {
drv = _eglGlobal.Drivers[i];
if (strcmp(drv->Path, path) == 0) {
_eglLog(_EGL_DEBUG, "Driver %s is already preloaded",
drv->Name);
free(path);
if (args)
free(args);
return drv->Name;
}
}
drv = _eglLoadDriver(path, args);
if (!drv)
return NULL;
_eglGlobal.Drivers[_eglGlobal.NumDrivers++] = drv;
return drv->Name;
}
/**
* Parse the list of sync attributes and return the proper error code.
*/
static EGLint
_eglParseSyncAttribList(_EGLSync *sync, const EGLint *attrib_list)
{
EGLint i, err = EGL_SUCCESS;
if (!attrib_list)
return EGL_SUCCESS;
for (i = 0; attrib_list[i] != EGL_NONE; i++) {
EGLint attr = attrib_list[i++];
EGLint val = attrib_list[i];
switch (attr) {
default:
(void) val;
err = EGL_BAD_ATTRIBUTE;
break;
}
if (err != EGL_SUCCESS) {
_eglLog(_EGL_DEBUG, "bad sync attribute 0x%04x", attr);
break;
}
}
return err;
}
/**
* Return the native platform. It is the platform of the EGL native types.
*/
_EGLPlatformType
_eglGetNativePlatform(void *nativeDisplay)
{
static _EGLPlatformType native_platform = _EGL_INVALID_PLATFORM;
char *detection_method = NULL;
if (native_platform == _EGL_INVALID_PLATFORM) {
native_platform = _eglGetNativePlatformFromEnv();
detection_method = "environment overwrite";
if (native_platform == _EGL_INVALID_PLATFORM) {
native_platform = _eglNativePlatformDetectNativeDisplay(nativeDisplay);
detection_method = "autodetected";
if (native_platform == _EGL_INVALID_PLATFORM) {
native_platform = _EGL_NATIVE_PLATFORM;
detection_method = "build-time configuration";
}
}
}
if (detection_method != NULL)
_eglLog(_EGL_DEBUG, "Native platform type: %s (%s)",
egl_platforms[native_platform].name, detection_method);
return native_platform;
}
/**
* Match a display to a driver. The display is initialized unless test_only is
* true. The matching is done by finding the first driver that can initialize
* the display.
*/
_EGLDriver *
_eglMatchDriver(_EGLDisplay *dpy, EGLBoolean test_only)
{
_EGLDriver *best_drv;
assert(!dpy->Initialized);
_eglLockMutex(&_eglModuleMutex);
/* set options */
dpy->Options.TestOnly = test_only;
dpy->Options.UseFallback = EGL_FALSE;
best_drv = _eglMatchAndInitialize(dpy);
if (!best_drv) {
dpy->Options.UseFallback = EGL_TRUE;
best_drv = _eglMatchAndInitialize(dpy);
}
_eglUnlockMutex(&_eglModuleMutex);
if (best_drv) {
_eglLog(_EGL_DEBUG, "the best driver is %s%s",
best_drv->Name, (test_only) ? " (test only) " : "");
if (!test_only) {
dpy->Driver = best_drv;
dpy->Initialized = EGL_TRUE;
}
}
return best_drv;
}
/**
* Add a module to the module array.
*/
static _EGLModule *
_eglAddModule(const char *path)
{
_EGLModule *mod;
EGLint i;
if (!_eglModules) {
_eglModules = _eglCreateArray("Module", 8);
if (!_eglModules)
return NULL;
}
/* find duplicates */
for (i = 0; i < _eglModules->Size; i++) {
mod = _eglModules->Elements[i];
if (strcmp(mod->Path, path) == 0)
return mod;
}
/* allocate a new one */
mod = calloc(1, sizeof(*mod));
if (mod) {
mod->Path = _eglstrdup(path);
if (!mod->Path) {
free(mod);
mod = NULL;
}
}
if (mod) {
_eglAppendArray(_eglModules, (void *) mod);
_eglLog(_EGL_DEBUG, "added %s to module array", mod->Path);
}
return mod;
}
/**
* Initialize the given _EGLContext object to defaults and/or the values
* in the attrib_list.
*/
EGLBoolean
_eglInitContext(_EGLContext *ctx, _EGLDisplay *dpy, _EGLConfig *conf,
const EGLint *attrib_list)
{
const EGLenum api = eglQueryAPI();
EGLint err;
if (api == EGL_NONE) {
_eglError(EGL_BAD_MATCH, "eglCreateContext(no client API)");
return EGL_FALSE;
}
_eglInitResource(&ctx->Resource, sizeof(*ctx), dpy);
ctx->ClientAPI = api;
ctx->Config = conf;
ctx->WindowRenderBuffer = EGL_NONE;
ctx->ClientVersion = 1; /* the default, per EGL spec */
err = _eglParseContextAttribList(ctx, attrib_list);
if (err == EGL_SUCCESS && ctx->Config) {
EGLint api_bit;
api_bit = _eglGetContextAPIBit(ctx);
if (!(ctx->Config->RenderableType & api_bit)) {
_eglLog(_EGL_DEBUG, "context api is 0x%x while config supports 0x%x",
api_bit, ctx->Config->RenderableType);
err = EGL_BAD_CONFIG;
}
}
if (err != EGL_SUCCESS)
return _eglError(err, "eglCreateContext");
return EGL_TRUE;
}
static void
swrastGetDrawableInfo(__DRIdrawable * draw,
int *x, int *y, int *w, int *h,
void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display);
xcb_get_geometry_cookie_t cookie;
xcb_get_geometry_reply_t *reply;
xcb_generic_error_t *error;
*w = *h = 0;
cookie = xcb_get_geometry (dri2_dpy->conn, dri2_surf->drawable);
reply = xcb_get_geometry_reply (dri2_dpy->conn, cookie, &error);
if (reply == NULL)
return;
if (error != NULL) {
_eglLog(_EGL_WARNING, "error in xcb_get_geometry");
free(error);
} else {
*w = reply->width;
*h = reply->height;
}
free(reply);
}
/**
* Initialize the logging facility.
*/
static void
_eglInitLogger(void)
{
const char *log_env;
EGLint i, level = -1;
if (logging.initialized)
return;
log_env = getenv("EGL_LOG_LEVEL");
if (log_env) {
for (i = 0; level_strings[i]; i++) {
if (_eglstrcasecmp(log_env, level_strings[i]) == 0) {
level = i;
break;
}
}
}
else {
level = FALLBACK_LOG_LEVEL;
}
logging.logger = _eglDefaultLogger;
logging.level = (level >= 0) ? level : FALLBACK_LOG_LEVEL;
logging.initialized = EGL_TRUE;
/* it is fine to call _eglLog now */
if (log_env && level < 0) {
_eglLog(_EGL_WARNING,
"Unrecognized EGL_LOG_LEVEL environment variable value. "
"Expected one of \"fatal\", \"warning\", \"info\", \"debug\". "
"Got \"%s\". Falling back to \"%s\".",
log_env, level_strings[FALLBACK_LOG_LEVEL]);
}
}
boolean
drm_display_init_modeset(struct native_display *ndpy)
{
struct drm_display *drmdpy = drm_display(ndpy);
/* resources are fixed, unlike crtc, connector, or encoder */
drmdpy->resources = drmModeGetResources(drmdpy->fd);
if (!drmdpy->resources) {
_eglLog(_EGL_DEBUG, "Failed to get KMS resources. Disable modeset.");
return FALSE;
}
drmdpy->saved_crtcs =
CALLOC(drmdpy->resources->count_crtcs, sizeof(*drmdpy->saved_crtcs));
if (!drmdpy->saved_crtcs) {
drm_display_fini_modeset(&drmdpy->base);
return FALSE;
}
drmdpy->shown_surfaces =
CALLOC(drmdpy->resources->count_crtcs, sizeof(*drmdpy->shown_surfaces));
if (!drmdpy->shown_surfaces) {
drm_display_fini_modeset(&drmdpy->base);
return FALSE;
}
drmdpy->base.modeset = &drm_display_modeset;
return TRUE;
}
static void
swrastGetImage(__DRIdrawable * read,
int x, int y, int w, int h,
char *data, void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display);
xcb_get_image_cookie_t cookie;
xcb_get_image_reply_t *reply;
xcb_generic_error_t *error;
cookie = xcb_get_image (dri2_dpy->conn, XCB_IMAGE_FORMAT_Z_PIXMAP,
dri2_surf->drawable, x, y, w, h, ~0);
reply = xcb_get_image_reply (dri2_dpy->conn, cookie, &error);
if (reply == NULL)
return;
if (error != NULL) {
_eglLog(_EGL_WARNING, "error in xcb_get_image");
free(error);
} else {
uint32_t bytes = xcb_get_image_data_length(reply);
uint8_t *idata = xcb_get_image_data(reply);
memcpy(data, idata, bytes);
}
free(reply);
}
/**
* Match a display to a driver. The matching is done by finding the first
* driver that can initialize the display.
*/
_EGLDriver *
_eglMatchDriver(_EGLDisplay *dpy)
{
_EGLDriver *best_drv;
assert(!dpy->Initialized);
/* set options */
dpy->Options.UseFallback =
env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false);
best_drv = _eglMatchAndInitialize(dpy);
if (!best_drv) {
dpy->Options.UseFallback = EGL_TRUE;
best_drv = _eglMatchAndInitialize(dpy);
}
if (best_drv) {
_eglLog(_EGL_DEBUG, "the best driver is %s",
best_drv->Name);
dpy->Driver = best_drv;
dpy->Initialized = EGL_TRUE;
}
return best_drv;
}
static const char *
droid_get_driver_name(int fd)
{
int vendor_id = -1, chip_id = -1;
int idx, i;
char *name;
if (!droid_get_pci_id(fd, &vendor_id, &chip_id))
return NULL;
for (idx = 0; driver_map[idx].driver; idx++) {
if (vendor_id != driver_map[idx].vendor_id)
continue;
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;
}
if (i < driver_map[idx].num_chips_ids)
break;
}
_eglLog(_EGL_INFO, "pci id for fd %d: %04x:%04x, driver %s",
fd, vendor_id, chip_id, driver_map[idx].driver);
return driver_map[idx].driver;
}
/**
* Load a module and create the driver object.
*/
static EGLBoolean
_eglLoadModule(_EGLModule *mod)
{
_EGLMain_t mainFunc;
lib_handle lib;
_EGLDriver *drv;
if (mod->Driver)
return EGL_TRUE;
if (mod->BuiltIn) {
lib = (lib_handle) NULL;
mainFunc = mod->BuiltIn;
}
else {
mainFunc = _eglOpenLibrary(mod->Path, &lib);
if (!mainFunc)
return EGL_FALSE;
}
drv = mainFunc(NULL);
if (!drv) {
return EGL_FALSE;
}
if (!drv->Name) {
_eglLog(_EGL_WARNING, "Driver loaded from %s has no name", mod->Path);
drv->Name = "UNNAMED";
}
mod->Handle = (void *) lib;
mod->Driver = drv;
return EGL_TRUE;
}