#include <limits.h>
#include <sys/types.h>
+#include <sys/mman.h>
#include <unistd.h>
#include <dlfcn.h>
+#include <xf86drm.h>
#include <GL/gl.h> /* dri_interface needs GL types */
#include <GL/internal/dri_interface.h>
#include "gbmint.h"
+/* For importing wl_buffer */
+#if HAVE_WAYLAND_PLATFORM
+#include "../../../egl/wayland/wayland-drm/wayland-drm.h"
+#endif
+
static __DRIimage *
dri_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
{
return dri->lookup_image(screen, image, dri->lookup_user_data);
}
+static __DRIbuffer *
+dri_get_buffers(__DRIdrawable * driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *data)
+{
+ struct gbm_dri_surface *surf = data;
+ struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm);
+
+ if (dri->get_buffers == NULL)
+ return NULL;
+
+ return dri->get_buffers(driDrawable, width, height, attachments,
+ count, out_count, surf->dri_private);
+}
+
+static void
+dri_flush_front_buffer(__DRIdrawable * driDrawable, void *data)
+{
+ struct gbm_dri_surface *surf = data;
+ struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm);
+
+ if (dri->flush_front_buffer != NULL)
+ dri->flush_front_buffer(driDrawable, surf->dri_private);
+}
+
+static __DRIbuffer *
+dri_get_buffers_with_format(__DRIdrawable * driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *data)
+{
+ struct gbm_dri_surface *surf = data;
+ struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm);
+
+ if (dri->get_buffers_with_format == NULL)
+ return NULL;
+
+ return
+ dri->get_buffers_with_format(driDrawable, width, height, attachments,
+ count, out_count, surf->dri_private);
+}
+
+static int
+image_get_buffers(__DRIdrawable *driDrawable,
+ unsigned int format,
+ uint32_t *stamp,
+ void *loaderPrivate,
+ uint32_t buffer_mask,
+ struct __DRIimageList *buffers)
+{
+ struct gbm_dri_surface *surf = loaderPrivate;
+ struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm);
+
+ if (dri->image_get_buffers == NULL)
+ return 0;
+
+ return dri->image_get_buffers(driDrawable, format, stamp,
+ surf->dri_private, buffer_mask, buffers);
+}
+
static const __DRIuseInvalidateExtension use_invalidate = {
{ __DRI_USE_INVALIDATE, 1 }
};
dri_lookup_egl_image
};
+static const __DRIdri2LoaderExtension dri2_loader_extension = {
+ { __DRI_DRI2_LOADER, 3 },
+ dri_get_buffers,
+ dri_flush_front_buffer,
+ dri_get_buffers_with_format,
+};
+
+static const __DRIimageLoaderExtension image_loader_extension = {
+ { __DRI_IMAGE_LOADER, 1 },
+ image_get_buffers,
+ dri_flush_front_buffer,
+};
+
+
struct dri_extension_match {
const char *name;
int version;
static int
dri_load_driver(struct gbm_dri_device *dri)
{
- const __DRIextension **extensions;
+ const __DRIextension **extensions = NULL;
char path[PATH_MAX], *search_paths, *p, *next, *end;
+ char *get_extensions_name;
search_paths = NULL;
if (geteuid() == getuid()) {
return -1;
}
- extensions = dlsym(dri->driver, __DRI_DRIVER_EXTENSIONS);
+ if (asprintf(&get_extensions_name, "%s_%s",
+ __DRI_DRIVER_GET_EXTENSIONS, dri->base.driver_name) != -1) {
+ const __DRIextension **(*get_extensions)(void);
+
+ get_extensions = dlsym(dri->driver, get_extensions_name);
+ free(get_extensions_name);
+
+ if (get_extensions)
+ extensions = get_extensions();
+ }
+
+ if (!extensions)
+ extensions = dlsym(dri->driver, __DRI_DRIVER_EXTENSIONS);
if (extensions == NULL) {
fprintf(stderr, "gbm: driver exports no extensions (%s)", dlerror());
dlclose(dri->driver);
return -1;
}
-
+ dri->driver_extensions = extensions;
if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) {
dlclose(dri->driver);
dri->extensions[0] = &image_lookup_extension.base;
dri->extensions[1] = &use_invalidate.base;
- dri->extensions[2] = NULL;
+ dri->extensions[2] = &dri2_loader_extension.base;
+ dri->extensions[3] = &image_loader_extension.base;
+ dri->extensions[4] = NULL;
if (dri->dri2 == NULL)
return -1;
- dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd,
- dri->extensions,
- &dri->driver_configs, dri);
+ if (dri->dri2->base.version >= 4) {
+ dri->screen = dri->dri2->createNewScreen2(0, dri->base.base.fd,
+ dri->extensions,
+ dri->driver_extensions,
+ &dri->driver_configs, dri);
+ } else {
+ dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd,
+ dri->extensions,
+ &dri->driver_configs, dri);
+ }
if (dri->screen == NULL)
return -1;
return 1;
}
+static int
+gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count)
+{
+ struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+
+ if (bo->image != NULL)
+ return -1;
+
+ memcpy(bo->map, buf, count);
+
+ return 0;
+}
+
static void
gbm_dri_bo_destroy(struct gbm_bo *_bo)
{
struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+ struct drm_mode_destroy_dumb arg;
+
+ if (bo->image != NULL) {
+ dri->image->destroyImage(bo->image);
+ } else {
+ munmap(bo->map, bo->size);
+ memset(&arg, 0, sizeof(arg));
+ arg.handle = bo->handle;
+ drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
+ }
- dri->image->destroyImage(bo->image);
free(bo);
}
}
static struct gbm_bo *
-gbm_dri_bo_create_from_egl_image(struct gbm_device *gbm,
- void *egl_dpy, void *egl_img,
- uint32_t width, uint32_t height,
- uint32_t usage)
+gbm_dri_bo_import(struct gbm_device *gbm,
+ uint32_t type, void *buffer, uint32_t usage)
{
struct gbm_dri_device *dri = gbm_dri_device(gbm);
struct gbm_dri_bo *bo;
- int dri_format;
+ __DRIimage *image;
unsigned dri_use = 0;
+ int gbm_format;
- (void) egl_dpy;
+ /* Required for query image WIDTH & HEIGHT */
+ if (dri->image->base.version < 4)
+ return NULL;
- if (dri->lookup_image == NULL)
+ switch (type) {
+#if HAVE_WAYLAND_PLATFORM
+ case GBM_BO_IMPORT_WL_BUFFER:
+ {
+ struct wl_drm_buffer *wb;
+
+ if (!dri->wl_drm)
+ return NULL;
+
+ wb = wayland_drm_buffer_get(dri->wl_drm, (struct wl_resource *) buffer);
+ if (!wb)
+ return NULL;
+
+ image = wb->driver_buffer;
+
+ switch (wb->format) {
+ case WL_DRM_FORMAT_XRGB8888:
+ gbm_format = GBM_FORMAT_XRGB8888;
+ break;
+ case WL_DRM_FORMAT_ARGB8888:
+ gbm_format = GBM_FORMAT_ARGB8888;
+ break;
+ case WL_DRM_FORMAT_RGB565:
+ gbm_format = GBM_FORMAT_RGB565;
+ break;
+ case WL_DRM_FORMAT_YUYV:
+ gbm_format = GBM_FORMAT_YUYV;
+ break;
+ default:
+ return NULL;
+ }
+ break;
+ }
+#endif
+
+ case GBM_BO_IMPORT_EGL_IMAGE:
+ {
+ int dri_format;
+ if (dri->lookup_image == NULL)
+ return NULL;
+
+ image = dri->lookup_image(dri->screen, buffer, dri->lookup_user_data);
+ dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &dri_format);
+ gbm_format = gbm_dri_to_gbm_format(dri_format);
+ if (gbm_format == 0)
+ return NULL;
+ break;
+ }
+
+ default:
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(image, NULL);
- bo->image = dri->image->dupImage(tmp, bo);
- if (bo->image == NULL)
- return NULL;
-
if (usage & GBM_BO_USE_SCANOUT)
dri_use |= __DRI_IMAGE_USE_SCANOUT;
if (usage & GBM_BO_USE_CURSOR_64X64)
return NULL;
}
+ bo->base.base.gbm = gbm;
+ bo->base.base.format = gbm_format;
+
+ dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_WIDTH,
+ (int*)&bo->base.base.width);
+ dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HEIGHT,
+ (int*)&bo->base.base.height);
+ dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE,
+ (int*)&bo->base.base.stride);
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);
- dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_FORMAT,
- &dri_format);
- bo->base.base.format = gbm_dri_to_gbm_format(dri_format);
+ return &bo->base.base;
+}
+
+static struct gbm_bo *
+create_dumb(struct gbm_device *gbm,
+ uint32_t width, uint32_t height,
+ uint32_t format, uint32_t usage)
+{
+ 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;
+
+ if (!(usage & GBM_BO_USE_CURSOR_64X64))
+ return NULL;
+ if (format != GBM_FORMAT_ARGB8888)
+ return NULL;
+
+ bo = calloc(1, sizeof *bo);
+ if (bo == NULL)
+ return NULL;
+
+ create_arg.bpp = 32;
+ create_arg.width = width;
+ create_arg.height = height;
+
+ ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg);
+ if (ret)
+ goto free_bo;
+
+ bo->base.base.gbm = gbm;
+ bo->base.base.width = width;
+ bo->base.base.height = height;
+ bo->base.base.stride = create_arg.pitch;
+ bo->base.base.format = format;
+ bo->base.base.handle.u32 = create_arg.handle;
+ 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)
+ goto destroy_dumb;
return &bo->base.base;
+
+destroy_dumb:
+ memset(&destroy_arg, 0, sizeof destroy_arg);
+ destroy_arg.handle = create_arg.handle;
+ drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
+free_bo:
+ free(bo);
+
+ return NULL;
}
static struct gbm_bo *
int dri_format;
unsigned dri_use = 0;
+ if (usage & GBM_BO_USE_WRITE)
+ return create_dumb(gbm, width, height, format, usage);
+
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;
+ bo->base.base.format = format;
switch (format) {
case GBM_FORMAT_RGB565:
case GBM_FORMAT_ABGR8888:
dri_format = __DRI_IMAGE_FORMAT_ABGR8888;
break;
+ case GBM_FORMAT_ARGB2101010:
+ dri_format = __DRI_IMAGE_FORMAT_ARGB2101010;
+ break;
+ case GBM_FORMAT_XRGB2101010:
+ dri_format = __DRI_IMAGE_FORMAT_XRGB2101010;
+ break;
default:
return NULL;
}
if (usage & GBM_BO_USE_CURSOR_64X64)
dri_use |= __DRI_IMAGE_USE_CURSOR;
+ /* Gallium drivers requires shared in order to get the handle/stride */
+ dri_use |= __DRI_IMAGE_USE_SHARE;
+
bo->image =
dri->image->createImage(dri->screen,
width, height,
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);
+ (int *) &bo->base.base.stride);
return &bo->base.base;
}
+static struct gbm_surface *
+gbm_dri_surface_create(struct gbm_device *gbm,
+ uint32_t width, uint32_t height,
+ uint32_t format, uint32_t flags)
+{
+ struct gbm_dri_surface *surf;
+
+ surf = calloc(1, sizeof *surf);
+ if (surf == NULL)
+ return NULL;
+
+ surf->base.gbm = gbm;
+ surf->base.width = width;
+ surf->base.height = height;
+ surf->base.format = format;
+ surf->base.flags = flags;
+
+ return &surf->base;
+}
+
+static void
+gbm_dri_surface_destroy(struct gbm_surface *_surf)
+{
+ struct gbm_dri_surface *surf = gbm_dri_surface(_surf);
+
+ free(surf);
+}
+
static void
dri_destroy(struct gbm_device *gbm)
{
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.bo_import = gbm_dri_bo_import;
dri->base.base.is_format_supported = gbm_dri_is_format_supported;
+ dri->base.base.bo_write = gbm_dri_bo_write;
dri->base.base.bo_destroy = gbm_dri_bo_destroy;
dri->base.base.destroy = dri_destroy;
+ dri->base.base.surface_create = gbm_dri_surface_create;
+ dri->base.base.surface_destroy = gbm_dri_surface_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;
- }
+ if (ret)
+ goto err_dri;
return &dri->base.base;
+
+err_dri:
+ free(dri);
+
+ return NULL;
}
struct gbm_backend gbm_dri_backend = {