#include "egl_dri2_fallbacks.h"
#include "loader.h"
-static struct dri2_egl_display_vtbl dri2_surfaceless_display_vtbl = {
+static __DRIimage*
+surfaceless_alloc_image(struct dri2_egl_display *dri2_dpy,
+ struct dri2_egl_surface *dri2_surf)
+{
+ return dri2_dpy->image->createImage(
+ dri2_dpy->dri_screen,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ dri2_surf->visual,
+ 0,
+ NULL);
+}
+
+static void
+surfaceless_free_images(struct dri2_egl_surface *dri2_surf)
+{
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+
+ if (dri2_surf->front) {
+ dri2_dpy->image->destroyImage(dri2_surf->front);
+ dri2_surf->front = NULL;
+ }
+}
+
+static int
+surfaceless_image_get_buffers(__DRIdrawable *driDrawable,
+ unsigned int format,
+ uint32_t *stamp,
+ void *loaderPrivate,
+ uint32_t buffer_mask,
+ struct __DRIimageList *buffers)
+{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+
+ buffers->image_mask = 0;
+ buffers->front = NULL;
+ buffers->back = NULL;
+
+ /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
+ * the spec states that they have a back buffer but no front buffer, in
+ * contrast to pixmaps, which have a front buffer but no back buffer.
+ *
+ * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
+ * from the spec, following the precedent of Mesa's EGL X11 platform. The
+ * X11 platform correctly assigns pbuffers to single-buffered configs, but
+ * assigns the pbuffer a front buffer instead of a back buffer.
+ *
+ * Pbuffers in the X11 platform mostly work today, so let's just copy its
+ * behavior instead of trying to fix (and hence potentially breaking) the
+ * world.
+ */
+
+ if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) {
+
+ if (!dri2_surf->front)
+ dri2_surf->front =
+ surfaceless_alloc_image(dri2_dpy, dri2_surf);
+
+ buffers->image_mask |= __DRI_IMAGE_BUFFER_FRONT;
+ buffers->front = dri2_surf->front;
+ }
+
+ return 1;
+}
+
+static _EGLSurface *
+dri2_surfaceless_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
+ _EGLConfig *conf, const EGLint *attrib_list)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
+ struct dri2_egl_surface *dri2_surf;
+ const __DRIconfig *config;
+
+ /* Make sure to calloc so all pointers
+ * are originally NULL.
+ */
+ dri2_surf = calloc(1, sizeof *dri2_surf);
+
+ if (!dri2_surf) {
+ _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface");
+ return NULL;
+ }
+
+ if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
+ goto cleanup_surface;
+
+ config = dri2_get_dri_config(dri2_conf, type,
+ dri2_surf->base.GLColorspace);
+
+ if (!config)
+ goto cleanup_surface;
+
+ dri2_surf->dri_drawable =
+ dri2_dpy->image_driver->createNewDrawable(dri2_dpy->dri_screen, config,
+ dri2_surf);
+ if (dri2_surf->dri_drawable == NULL) {
+ _eglError(EGL_BAD_ALLOC, "image->createNewDrawable");
+ goto cleanup_surface;
+ }
+
+ if (conf->RedSize == 5)
+ dri2_surf->visual = __DRI_IMAGE_FORMAT_RGB565;
+ else if (conf->AlphaSize == 0)
+ dri2_surf->visual = __DRI_IMAGE_FORMAT_XRGB8888;
+ else
+ dri2_surf->visual = __DRI_IMAGE_FORMAT_ARGB8888;
+
+ return &dri2_surf->base;
+
+ cleanup_surface:
+ free(dri2_surf);
+ return NULL;
+}
+
+static EGLBoolean
+surfaceless_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
+
+ surfaceless_free_images(dri2_surf);
+
+ dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
+
+ free(dri2_surf);
+ return EGL_TRUE;
+}
+
+static _EGLSurface *
+dri2_surfaceless_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
+ _EGLConfig *conf, const EGLint *attrib_list)
+{
+ return dri2_surfaceless_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
+ attrib_list);
+}
+
+static EGLBoolean
+surfaceless_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
+{
+ assert(!surf || surf->Type == EGL_PBUFFER_BIT);
+
+ /* From the EGL 1.5 spec:
+ * If surface is a [...] pbuffer surface, eglSwapBuffers has no effect.
+ */
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+surfaceless_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
+ static const struct {
+ const char *format_name;
+ unsigned int rgba_masks[4];
+ } visuals[] = {
+ { "ARGB8888", { 0xff0000, 0xff00, 0xff, 0xff000000 } },
+ { "RGB888", { 0xff0000, 0xff00, 0xff, 0x0 } },
+ { "RGB565", { 0x00f800, 0x07e0, 0x1f, 0x0 } },
+ };
+ unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 };
+ unsigned int config_count = 0;
+
+ for (unsigned i = 0; dri2_dpy->driver_configs[i] != NULL; i++) {
+ for (unsigned j = 0; j < ARRAY_SIZE(visuals); j++) {
+ struct dri2_egl_config *dri2_conf;
+
+ dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[i],
+ config_count + 1, EGL_PBUFFER_BIT, NULL,
+ visuals[j].rgba_masks);
+
+ if (dri2_conf) {
+ if (dri2_conf->base.ConfigID == config_count + 1)
+ config_count++;
+ format_count[j]++;
+ }
+ }
+ }
+
+ for (unsigned i = 0; i < ARRAY_SIZE(format_count); i++) {
+ if (!format_count[i]) {
+ _eglLog(_EGL_DEBUG, "No DRI config supports native format %s",
+ visuals[i].format_name);
+ }
+ }
+
+ return (config_count != 0);
+}
+
+static const struct dri2_egl_display_vtbl dri2_surfaceless_display_vtbl = {
.create_pixmap_surface = dri2_fallback_create_pixmap_surface,
+ .create_pbuffer_surface = dri2_surfaceless_create_pbuffer_surface,
+ .destroy_surface = surfaceless_destroy_surface,
.create_image = dri2_create_image_khr,
.swap_interval = dri2_fallback_swap_interval,
+ .swap_buffers = surfaceless_swap_buffers,
.swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
.swap_buffers_region = dri2_fallback_swap_buffers_region,
+ .set_damage_region = dri2_fallback_set_damage_region,
.post_sub_buffer = dri2_fallback_post_sub_buffer,
.copy_buffers = dri2_fallback_copy_buffers,
.query_buffer_age = dri2_fallback_query_buffer_age,
.create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
.get_sync_values = dri2_fallback_get_sync_values,
+ .get_dri_drawable = dri2_surface_get_dri_drawable,
};
static void
{
}
-static __DRIbuffer *
-surfaceless_get_buffers_with_format(__DRIdrawable * driDrawable,
- int *width, int *height,
- unsigned int *attachments, int count,
- int *out_count, void *loaderPrivate)
-{
- struct dri2_egl_surface *dri2_surf = loaderPrivate;
-
- dri2_surf->buffer_count = 1;
- if (width)
- *width = dri2_surf->base.Width;
- if (height)
- *height = dri2_surf->base.Height;
- *out_count = dri2_surf->buffer_count;;
- return dri2_surf->buffers;
-}
+static const __DRIimageLoaderExtension image_loader_extension = {
+ .base = { __DRI_IMAGE_LOADER, 1 },
+ .getBuffers = surfaceless_image_get_buffers,
+ .flushFrontBuffer = surfaceless_flush_front_buffer,
+};
#define DRM_RENDER_DEV_NAME "%s/renderD%d"
+static const __DRIextension *image_loader_extensions[] = {
+ &image_loader_extension.base,
+ &image_lookup_extension.base,
+ &use_invalidate.base,
+ NULL,
+};
+
EGLBoolean
dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
const char* err;
- int i;
int driver_loaded = 0;
loader_set_logger(_eglLog);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
+ dri2_dpy->fd = -1;
disp->DriverData = (void *) dri2_dpy;
const int limit = 64;
const int base = 128;
- for (i = 0; i < limit; ++i) {
+ for (int i = 0; i < limit; ++i) {
char *card_path;
if (asprintf(&card_path, DRM_RENDER_DEV_NAME, DRM_DIR_NAME, base + i) < 0)
continue;
-#ifdef O_CLOEXEC
- dri2_dpy->fd = open(card_path, O_RDWR | O_CLOEXEC);
- if (dri2_dpy->fd < 0 && errno == EINVAL)
-#endif
- {
- dri2_dpy->fd = open(card_path, O_RDWR);
- if (dri2_dpy->fd >= 0)
- fcntl(dri2_dpy->fd, F_SETFD, fcntl(dri2_dpy->fd, F_GETFD) |
- FD_CLOEXEC);
- }
+ dri2_dpy->fd = loader_open_device(card_path);
free(card_path);
if (dri2_dpy->fd < 0)
continue;
- dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
+ dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
if (dri2_dpy->driver_name) {
- if (dri2_load_driver(disp)) {
+ if (dri2_load_driver_dri3(disp)) {
driver_loaded = 1;
break;
}
free(dri2_dpy->driver_name);
+ dri2_dpy->driver_name = NULL;
}
close(dri2_dpy->fd);
+ dri2_dpy->fd = -1;
}
if (!driver_loaded) {
err = "DRI2: failed to load driver";
- goto cleanup_display;
+ goto cleanup;
}
- dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
- dri2_dpy->dri2_loader_extension.base.version = 3;
- dri2_dpy->dri2_loader_extension.getBuffers = NULL;
- dri2_dpy->dri2_loader_extension.flushFrontBuffer =
- surfaceless_flush_front_buffer;
- dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
- surfaceless_get_buffers_with_format;
-
- dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
- dri2_dpy->extensions[1] = &image_lookup_extension.base;
- dri2_dpy->extensions[2] = &use_invalidate.base;
- dri2_dpy->extensions[3] = NULL;
+ dri2_dpy->loader_extensions = image_loader_extensions;
if (!dri2_create_screen(disp)) {
err = "DRI2: failed to create screen";
- goto cleanup_driver;
+ goto cleanup;
}
- for (i = 0; dri2_dpy->driver_configs[i]; i++) {
- dri2_add_config(disp, dri2_dpy->driver_configs[i],
- i + 1, EGL_WINDOW_BIT, NULL, NULL);
+ if (!dri2_setup_extensions(disp)) {
+ err = "DRI2: failed to find required DRI extensions";
+ goto cleanup;
}
- disp->Extensions.KHR_image_base = EGL_TRUE;
+ dri2_setup_screen(disp);
+
+ if (!surfaceless_add_configs_for_visuals(drv, disp)) {
+ err = "DRI2: failed to add configs";
+ goto cleanup;
+ }
/* Fill vtbl last to prevent accidentally calling virtual function during
* initialization.
return EGL_TRUE;
-cleanup_driver:
- dlclose(dri2_dpy->driver);
- free(dri2_dpy->driver_name);
- close(dri2_dpy->fd);
-cleanup_display:
- free(dri2_dpy);
-
+cleanup:
+ dri2_display_destroy(disp);
return _eglError(EGL_NOT_INITIALIZED, err);
}