#include <stdlib.h>
#include <stddef.h>
#include <stdint.h>
+#include <stdbool.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
+#include <assert.h>
#include <sys/types.h>
-#include <sys/mman.h>
#include <unistd.h>
#include <dlfcn.h>
#include <xf86drm.h>
surf->dri_private, buffer_mask, buffers);
}
+static void
+swrast_get_drawable_info(__DRIdrawable *driDrawable,
+ int *x,
+ int *y,
+ int *width,
+ int *height,
+ void *loaderPrivate)
+{
+ struct gbm_dri_surface *surf = loaderPrivate;
+
+ *x = 0;
+ *y = 0;
+ *width = surf->base.width;
+ *height = surf->base.height;
+}
+
+static void
+swrast_put_image2(__DRIdrawable *driDrawable,
+ int op,
+ int x,
+ int y,
+ int width,
+ int height,
+ int stride,
+ char *data,
+ void *loaderPrivate)
+{
+ struct gbm_dri_surface *surf = loaderPrivate;
+ struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm);
+
+ dri->swrast_put_image2(driDrawable,
+ op, x, y,
+ width, height, stride,
+ data, surf->dri_private);
+}
+
+static void
+swrast_put_image(__DRIdrawable *driDrawable,
+ int op,
+ int x,
+ int y,
+ int width,
+ int height,
+ char *data,
+ void *loaderPrivate)
+{
+ return swrast_put_image2(driDrawable, op, x, y, width, height,
+ width * 4, data, loaderPrivate);
+}
+
+static void
+swrast_get_image(__DRIdrawable *driDrawable,
+ int x,
+ int y,
+ int width,
+ int height,
+ char *data,
+ void *loaderPrivate)
+{
+ struct gbm_dri_surface *surf = loaderPrivate;
+ struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm);
+
+ dri->swrast_get_image(driDrawable,
+ x, y,
+ width, height,
+ data, surf->dri_private);
+}
+
static const __DRIuseInvalidateExtension use_invalidate = {
.base = { __DRI_USE_INVALIDATE, 1 }
};
.flushFrontBuffer = dri_flush_front_buffer,
};
+static const __DRIswrastLoaderExtension swrast_loader_extension = {
+ .base = { __DRI_SWRAST_LOADER, 2 },
+
+ .getDrawableInfo = swrast_get_drawable_info,
+ .putImage = swrast_put_image,
+ .getImage = swrast_get_image,
+ .putImage2 = swrast_put_image2
+};
+
static const __DRIextension *gbm_dri_screen_extensions[] = {
&image_lookup_extension.base,
&use_invalidate.base,
&dri2_loader_extension.base,
&image_loader_extension.base,
+ &swrast_loader_extension.base,
NULL,
};
const char *name;
int version;
int offset;
+ int optional;
};
static struct dri_extension_match dri_core_extensions[] = {
{ __DRI2_FLUSH, 1, offsetof(struct gbm_dri_device, flush) },
{ __DRI_IMAGE, 1, offsetof(struct gbm_dri_device, image) },
+ { __DRI2_FENCE, 1, offsetof(struct gbm_dri_device, fence), 1 },
+ { __DRI2_INTEROP, 1, offsetof(struct gbm_dri_device, interop), 1 },
{ NULL, 0, 0 }
};
{ NULL, 0, 0 }
};
+static struct dri_extension_match gbm_swrast_device_extensions[] = {
+ { __DRI_CORE, 1, offsetof(struct gbm_dri_device, core), },
+ { __DRI_SWRAST, 1, offsetof(struct gbm_dri_device, swrast) },
+ { NULL, 0, 0 }
+};
+
static int
dri_bind_extensions(struct gbm_dri_device *dri,
struct dri_extension_match *matches,
for (j = 0; matches[j].name; j++) {
field = ((char *) dri + matches[j].offset);
- if (*(const __DRIextension **) field == NULL) {
+ if ((*(const __DRIextension **) field == NULL) && !matches[j].optional) {
ret = -1;
}
}
return ret;
}
-static int
-dri_load_driver(struct gbm_dri_device *dri)
+static const __DRIextension **
+dri_open_driver(struct gbm_dri_device *dri)
{
const __DRIextension **extensions = NULL;
char path[PATH_MAX], *search_paths, *p, *next, *end;
char *get_extensions_name;
search_paths = NULL;
+ /* don't allow setuid apps to use LIBGL_DRIVERS_PATH or GBM_DRIVERS_PATH */
if (geteuid() == getuid()) {
- /* don't allow setuid apps to use GBM_DRIVERS_PATH */
+ /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
+ * is recommended over GBM_DRIVERS_PATH.
+ */
search_paths = getenv("GBM_DRIVERS_PATH");
+
+ /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
+ * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
+ */
+ if (search_paths == NULL) {
+ search_paths = getenv("LIBGL_DRIVERS_PATH");
+ }
}
if (search_paths == NULL)
search_paths = DEFAULT_DRIVER_DIR;
+ /* Temporarily work around dri driver libs that need symbols in libglapi
+ * but don't automatically link it in.
+ */
+ /* XXX: Library name differs on per platforms basis. Update this as
+ * osx/cygwin/windows/bsd gets support for GBM..
+ */
+ dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL);
+
dri->driver = NULL;
end = search_paths + strlen(search_paths);
for (p = search_paths; p < end && dri->driver == NULL; p = next + 1) {
/* not need continue to loop all paths once the driver is found */
if (dri->driver != NULL)
break;
+
+#ifdef ANDROID
+ snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
+ dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
+ if (dri->driver == NULL)
+ sprintf("failed to open %s: %s\n", path, dlerror());
+ else
+ break;
+#endif
}
if (dri->driver == NULL) {
- fprintf(stderr, "gbm: failed to open any driver (search paths %s)",
+ fprintf(stderr, "gbm: failed to open any driver (search paths %s)\n",
search_paths);
- return -1;
+ fprintf(stderr, "gbm: Last dlopen error: %s\n", dlerror());
+ return NULL;
}
- if (asprintf(&get_extensions_name, "%s_%s",
- __DRI_DRIVER_GET_EXTENSIONS, dri->base.driver_name) != -1) {
+ get_extensions_name = loader_get_extensions_name(dri->base.driver_name);
+ if (get_extensions_name) {
const __DRIextension **(*get_extensions)(void);
get_extensions = dlsym(dri->driver, get_extensions_name);
if (extensions == NULL) {
fprintf(stderr, "gbm: driver exports no extensions (%s)", dlerror());
dlclose(dri->driver);
+ }
+
+ return extensions;
+}
+
+static int
+dri_load_driver(struct gbm_dri_device *dri)
+{
+ const __DRIextension **extensions;
+
+ extensions = dri_open_driver(dri);
+ if (!extensions)
+ return -1;
+
+ if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) {
+ dlclose(dri->driver);
+ fprintf(stderr, "failed to bind extensions\n");
return -1;
}
+
dri->driver_extensions = extensions;
- if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) {
+ return 0;
+}
+
+static int
+dri_load_driver_swrast(struct gbm_dri_device *dri)
+{
+ const __DRIextension **extensions;
+
+ extensions = dri_open_driver(dri);
+ if (!extensions)
+ return -1;
+
+ if (dri_bind_extensions(dri, gbm_swrast_device_extensions, extensions) < 0) {
dlclose(dri->driver);
fprintf(stderr, "failed to bind extensions\n");
return -1;
}
+ dri->driver_extensions = extensions;
+
return 0;
}
static int
-dri_screen_create(struct gbm_dri_device *dri)
+dri_screen_create_dri2(struct gbm_dri_device *dri, char *driver_name)
{
const __DRIextension **extensions;
int ret = 0;
- dri->base.driver_name = loader_get_driver_for_fd(dri->base.base.fd, 0);
+ dri->base.driver_name = driver_name;
if (dri->base.driver_name == NULL)
return -1;
return ret;
};
- dri->extensions = gbm_dri_screen_extensions;
+ dri->loader_extensions = gbm_dri_screen_extensions;
if (dri->dri2 == NULL)
return -1;
if (dri->dri2->base.version >= 4) {
dri->screen = dri->dri2->createNewScreen2(0, dri->base.base.fd,
- dri->extensions,
+ dri->loader_extensions,
dri->driver_extensions,
&dri->driver_configs, dri);
} else {
dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd,
- dri->extensions,
+ dri->loader_extensions,
&dri->driver_configs, dri);
}
if (dri->screen == NULL)
return ret;
}
+static int
+dri_screen_create_swrast(struct gbm_dri_device *dri)
+{
+ int ret;
+
+ dri->base.driver_name = strdup("swrast");
+ if (dri->base.driver_name == NULL)
+ return -1;
+
+ ret = dri_load_driver_swrast(dri);
+ if (ret) {
+ fprintf(stderr, "failed to load swrast driver\n");
+ return ret;
+ }
+
+ dri->loader_extensions = gbm_dri_screen_extensions;
+
+ if (dri->swrast == NULL)
+ return -1;
+
+ if (dri->swrast->base.version >= 4) {
+ dri->screen = dri->swrast->createNewScreen2(0, dri->loader_extensions,
+ dri->driver_extensions,
+ &dri->driver_configs, dri);
+ } else {
+ dri->screen = dri->swrast->createNewScreen(0, dri->loader_extensions,
+ &dri->driver_configs, dri);
+ }
+ if (dri->screen == NULL)
+ return -1;
+
+ dri->lookup_image = NULL;
+ dri->lookup_user_data = NULL;
+
+ return 0;
+}
+
+static int
+dri_screen_create(struct gbm_dri_device *dri)
+{
+ char *driver_name;
+
+ driver_name = loader_get_driver_for_fd(dri->base.base.fd);
+ if (!driver_name)
+ return -1;
+
+ return dri_screen_create_dri2(dri, driver_name);
+}
+
+static int
+dri_screen_create_sw(struct gbm_dri_device *dri)
+{
+ char *driver_name;
+ int ret;
+
+ driver_name = strdup("kms_swrast");
+ if (!driver_name)
+ return -errno;
+
+ ret = dri_screen_create_dri2(dri, driver_name);
+ if (ret == 0)
+ return ret;
+
+ return dri_screen_create_swrast(dri);
+}
+
static int
gbm_dri_is_format_supported(struct gbm_device *gbm,
uint32_t format,
{
switch (format) {
case GBM_BO_FORMAT_XRGB8888:
+ case GBM_FORMAT_XBGR8888:
case GBM_FORMAT_XRGB8888:
break;
case GBM_BO_FORMAT_ARGB8888:
if (bo->image == NULL)
return -1;
- dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_FD, &fd);
+ if (!dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_FD, &fd))
+ return -1;
return fd;
}
if (bo->image != NULL) {
dri->image->destroyImage(bo->image);
} else {
- munmap(bo->map, bo->size);
+ gbm_dri_bo_unmap_dumb(bo);
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
case __DRI_IMAGE_FORMAT_ARGB8888:
ret = GBM_FORMAT_ARGB8888;
break;
+ case __DRI_IMAGE_FORMAT_XBGR8888:
+ ret = GBM_FORMAT_XBGR8888;
+ break;
case __DRI_IMAGE_FORMAT_ABGR8888:
ret = GBM_FORMAT_ABGR8888;
break;
int gbm_format;
/* Required for query image WIDTH & HEIGHT */
- if (dri->image->base.version < 4) {
+ if (dri->image == NULL || dri->image->base.version < 4) {
errno = ENOSYS;
return NULL;
}
gbm_format = GBM_FORMAT_YUYV;
break;
default:
+ dri->image->destroyImage(image);
return NULL;
}
break;
gbm_format = gbm_dri_to_gbm_format(dri_format);
if (gbm_format == 0) {
errno = EINVAL;
+ dri->image->destroyImage(image);
return NULL;
}
break;
{
struct gbm_import_fd_data *fd_data = buffer;
int stride = fd_data->stride, offset = 0;
+ int dri_format;
+
+ switch (fd_data->format) {
+ case GBM_BO_FORMAT_XRGB8888:
+ dri_format = GBM_FORMAT_XRGB8888;
+ break;
+ case GBM_BO_FORMAT_ARGB8888:
+ dri_format = GBM_FORMAT_ARGB8888;
+ break;
+ default:
+ dri_format = fd_data->format;
+ }
image = dri->image->createImageFromFds(dri->screen,
fd_data->width,
fd_data->height,
- fd_data->format,
+ dri_format,
&fd_data->fd, 1,
&stride, &offset,
NULL);
+ if (image == NULL) {
+ errno = EINVAL;
+ return NULL;
+ }
gbm_format = fd_data->format;
break;
}
bo = calloc(1, sizeof *bo);
- if (bo == NULL)
+ if (bo == NULL) {
+ dri->image->destroyImage(image);
return NULL;
+ }
bo->image = image;
if (dri->image->base.version >= 2 &&
!dri->image->validateUsage(bo->image, dri_use)) {
errno = EINVAL;
+ dri->image->destroyImage(bo->image);
free(bo);
return NULL;
}
return &bo->base.base;
}
+static bool
+is_planar_format(uint32_t format)
+{
+ switch (format) {
+ case GBM_FORMAT_NV12:
+ case GBM_FORMAT_NV21:
+ case GBM_FORMAT_NV16:
+ case GBM_FORMAT_NV61:
+ case GBM_FORMAT_YUV410:
+ case GBM_FORMAT_YVU410:
+ case GBM_FORMAT_YUV411:
+ case GBM_FORMAT_YVU411:
+ case GBM_FORMAT_YUV420:
+ case GBM_FORMAT_YVU420:
+ case GBM_FORMAT_YUV422:
+ case GBM_FORMAT_YVU422:
+ case GBM_FORMAT_YUV444:
+ case GBM_FORMAT_YVU444:
+ return true;
+ default:
+ return false;
+ }
+
+}
+
static struct gbm_bo *
create_dumb(struct gbm_device *gbm,
uint32_t width, uint32_t height,
{
struct gbm_dri_device *dri = gbm_dri_device(gbm);
struct drm_mode_create_dumb create_arg;
- struct drm_mode_map_dumb map_arg;
struct gbm_dri_bo *bo;
struct drm_mode_destroy_dumb destroy_arg;
int ret;
+ int is_cursor, is_scanout;
- if (!(usage & GBM_BO_USE_CURSOR)) {
+ is_cursor = (usage & GBM_BO_USE_CURSOR) != 0 &&
+ format == GBM_FORMAT_ARGB8888;
+ is_scanout = (usage & GBM_BO_USE_SCANOUT) != 0 &&
+ format == GBM_FORMAT_XRGB8888;
+ if (!is_cursor && !is_scanout) {
errno = EINVAL;
return NULL;
}
- if (format != GBM_FORMAT_ARGB8888) {
+
+ if (is_planar_format(format)) {
errno = EINVAL;
return NULL;
}
if (bo == NULL)
return NULL;
+ memset(&create_arg, 0, sizeof(create_arg));
create_arg.bpp = 32;
create_arg.width = width;
create_arg.height = height;
bo->handle = create_arg.handle;
bo->size = create_arg.size;
- memset(&map_arg, 0, sizeof(map_arg));
- map_arg.handle = bo->handle;
-
- ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
- if (ret)
- goto destroy_dumb;
-
- bo->map = mmap(0, bo->size, PROT_WRITE,
- MAP_SHARED, dri->base.base.fd, map_arg.offset);
- if (bo->map == MAP_FAILED)
+ if (gbm_dri_bo_map_dumb(bo) == NULL)
goto destroy_dumb;
return &bo->base.base;
int dri_format;
unsigned dri_use = 0;
- if (usage & GBM_BO_USE_WRITE)
+ if (usage & GBM_BO_USE_WRITE || dri->image == NULL)
return create_dumb(gbm, width, height, format, usage);
bo = calloc(1, sizeof *bo);
bo->base.base.format = format;
switch (format) {
+ case GBM_FORMAT_R8:
+ dri_format = __DRI_IMAGE_FORMAT_R8;
+ break;
+ case GBM_FORMAT_GR88:
+ dri_format = __DRI_IMAGE_FORMAT_GR88;
+ break;
case GBM_FORMAT_RGB565:
- dri_format =__DRI_IMAGE_FORMAT_RGB565;
+ dri_format = __DRI_IMAGE_FORMAT_RGB565;
break;
case GBM_FORMAT_XRGB8888:
case GBM_BO_FORMAT_XRGB8888:
case GBM_FORMAT_ABGR8888:
dri_format = __DRI_IMAGE_FORMAT_ABGR8888;
break;
+ case GBM_FORMAT_XBGR8888:
+ dri_format = __DRI_IMAGE_FORMAT_XBGR8888;
+ break;
case GBM_FORMAT_ARGB2101010:
dri_format = __DRI_IMAGE_FORMAT_ARGB2101010;
break;
dri_use |= __DRI_IMAGE_USE_SCANOUT;
if (usage & GBM_BO_USE_CURSOR)
dri_use |= __DRI_IMAGE_USE_CURSOR;
+ if (usage & GBM_BO_USE_LINEAR)
+ dri_use |= __DRI_IMAGE_USE_LINEAR;
/* Gallium drivers requires shared in order to get the handle/stride */
dri_use |= __DRI_IMAGE_USE_SHARE;
return NULL;
}
+static void *
+gbm_dri_bo_map(struct gbm_bo *_bo,
+ uint32_t x, uint32_t y,
+ uint32_t width, uint32_t height,
+ uint32_t flags, uint32_t *stride, void **map_data)
+{
+ struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
+ struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+
+ /* If it's a dumb buffer, we already have a mapping */
+ if (bo->map) {
+ *map_data = (char *)bo->map + (bo->base.base.stride * y) + (x * 4);
+ *stride = bo->base.base.stride;
+ return *map_data;
+ }
+
+ if (!dri->image || dri->image->base.version < 12 || !dri->image->mapImage) {
+ errno = ENOSYS;
+ return NULL;
+ }
+
+ mtx_lock(&dri->mutex);
+ if (!dri->context)
+ dri->context = dri->dri2->createNewContext(dri->screen, NULL,
+ NULL, NULL);
+ assert(dri->context);
+ mtx_unlock(&dri->mutex);
+
+ /* GBM flags and DRI flags are the same, so just pass them on */
+ return dri->image->mapImage(dri->context, bo->image, x, y,
+ width, height, flags, (int *)stride,
+ map_data);
+}
+
+static void
+gbm_dri_bo_unmap(struct gbm_bo *_bo, void *map_data)
+{
+ struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
+ struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+
+ /* Check if it's a dumb buffer and check the pointer is in range */
+ if (bo->map) {
+ assert(map_data >= bo->map);
+ assert(map_data < (bo->map + bo->size));
+ return;
+ }
+
+ if (!dri->context || !dri->image ||
+ dri->image->base.version < 12 || !dri->image->unmapImage)
+ return;
+
+ dri->image->unmapImage(dri->context, bo->image, map_data);
+}
+
+
static struct gbm_surface *
gbm_dri_surface_create(struct gbm_device *gbm,
uint32_t width, uint32_t height,
dri_destroy(struct gbm_device *gbm)
{
struct gbm_dri_device *dri = gbm_dri_device(gbm);
+ unsigned i;
+
+ if (dri->context)
+ dri->core->destroyContext(dri->context);
dri->core->destroyScreen(dri->screen);
+ for (i = 0; dri->driver_configs[i]; i++)
+ free((__DRIconfig *) dri->driver_configs[i]);
free(dri->driver_configs);
dlclose(dri->driver);
free(dri->base.driver_name);
dri_device_create(int fd)
{
struct gbm_dri_device *dri;
- int ret;
+ int ret, force_sw;
dri = calloc(1, sizeof *dri);
if (!dri)
dri->base.base.fd = fd;
dri->base.base.bo_create = gbm_dri_bo_create;
dri->base.base.bo_import = gbm_dri_bo_import;
+ dri->base.base.bo_map = gbm_dri_bo_map;
+ dri->base.base.bo_unmap = gbm_dri_bo_unmap;
dri->base.base.is_format_supported = gbm_dri_is_format_supported;
dri->base.base.bo_write = gbm_dri_bo_write;
dri->base.base.bo_get_fd = gbm_dri_bo_get_fd;
dri->base.type = GBM_DRM_DRIVER_TYPE_DRI;
dri->base.base.name = "drm";
- ret = dri_screen_create(dri);
+ mtx_init(&dri->mutex, mtx_plain);
+
+ force_sw = getenv("GBM_ALWAYS_SOFTWARE") != NULL;
+ if (!force_sw) {
+ ret = dri_screen_create(dri);
+ if (ret)
+ ret = dri_screen_create_sw(dri);
+ } else {
+ ret = dri_screen_create_sw(dri);
+ }
+
if (ret)
goto err_dri;
projects / mesa.git / blobdiff