#include <string.h>
#include <xf86drm.h>
#include <dlfcn.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
#include "egl_dri2.h"
+#include "egl_dri2_fallbacks.h"
+#include "loader.h"
+
+static struct gbm_bo *
+lock_front_buffer(struct gbm_surface *_surf)
+{
+ struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
+ struct dri2_egl_surface *dri2_surf = surf->dri_private;
+ struct gbm_bo *bo;
+
+ if (dri2_surf->current == NULL) {
+ _eglError(EGL_BAD_SURFACE, "no front buffer");
+ return NULL;
+ }
+
+ bo = dri2_surf->current->bo;
+ dri2_surf->current->locked = 1;
+ dri2_surf->current = NULL;
+
+ return bo;
+}
+
+static void
+release_buffer(struct gbm_surface *_surf, struct gbm_bo *bo)
+{
+ struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
+ struct dri2_egl_surface *dri2_surf = surf->dri_private;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (dri2_surf->color_buffers[i].bo == bo) {
+ dri2_surf->color_buffers[i].locked = 0;
+ }
+ }
+}
+
+static int
+has_free_buffers(struct gbm_surface *_surf)
+{
+ struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
+ struct dri2_egl_surface *dri2_surf = surf->dri_private;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
+ if (!dri2_surf->color_buffers[i].locked)
+ return 1;
+
+ return 0;
+}
+
+static _EGLSurface *
+dri2_drm_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
+ _EGLConfig *conf, void *native_window,
+ 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;
+ struct gbm_surface *window = native_window;
+ struct gbm_dri_surface *surf;
+
+ (void) drv;
+
+ dri2_surf = calloc(1, sizeof *dri2_surf);
+ if (!dri2_surf) {
+ _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
+ return NULL;
+ }
+
+ if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
+ goto cleanup_surf;
+
+ switch (type) {
+ case EGL_WINDOW_BIT:
+ if (!window)
+ return NULL;
+ surf = gbm_dri_surface(window);
+ dri2_surf->gbm_surf = surf;
+ dri2_surf->base.Width = surf->base.width;
+ dri2_surf->base.Height = surf->base.height;
+ surf->dri_private = dri2_surf;
+ break;
+ default:
+ goto cleanup_surf;
+ }
+
+ dri2_surf->dri_drawable =
+ (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
+ dri2_conf->dri_double_config,
+ dri2_surf->gbm_surf);
+
+ if (dri2_surf->dri_drawable == NULL) {
+ _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
+ goto cleanup_surf;
+ }
+
+ return &dri2_surf->base;
+
+ cleanup_surf:
+ free(dri2_surf);
+
+ return NULL;
+}
+
+static _EGLSurface *
+dri2_drm_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
+ _EGLConfig *conf, void *native_window,
+ const EGLint *attrib_list)
+{
+ return dri2_drm_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
+ native_window, attrib_list);
+}
+
+static EGLBoolean
+dri2_drm_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);
+ int i;
+
+ if (!_eglPutSurface(surf))
+ return EGL_TRUE;
+
+ (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
+
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (dri2_surf->color_buffers[i].bo)
+ gbm_bo_destroy(dri2_surf->color_buffers[i].bo);
+ }
+
+ for (i = 0; i < __DRI_BUFFER_COUNT; i++) {
+ if (dri2_surf->dri_buffers[i])
+ dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
+ dri2_surf->dri_buffers[i]);
+ }
+
+ free(surf);
+
+ return EGL_TRUE;
+}
+
+static int
+get_back_bo(struct dri2_egl_surface *dri2_surf)
+{
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+ struct gbm_dri_surface *surf = dri2_surf->gbm_surf;
+ int i;
+
+ if (dri2_surf->back == NULL) {
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (!dri2_surf->color_buffers[i].locked) {
+ dri2_surf->back = &dri2_surf->color_buffers[i];
+ break;
+ }
+ }
+ }
+
+ if (dri2_surf->back == NULL)
+ return -1;
+ if (dri2_surf->back->bo == NULL)
+ dri2_surf->back->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
+ surf->base.width, surf->base.height,
+ surf->base.format, surf->base.flags);
+ if (dri2_surf->back->bo == NULL)
+ return -1;
+
+ return 0;
+}
+
+static void
+back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
+{
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+ struct gbm_dri_bo *bo;
+ int name, pitch;
+
+ bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
+
+ dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_NAME, &name);
+ dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
+
+ buffer->attachment = __DRI_BUFFER_BACK_LEFT;
+ buffer->name = name;
+ buffer->pitch = pitch;
+ buffer->cpp = 4;
+ buffer->flags = 0;
+}
+
+static int
+get_aux_bo(struct dri2_egl_surface *dri2_surf,
+ unsigned int attachment, unsigned int format, __DRIbuffer *buffer)
+{
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+ __DRIbuffer *b = dri2_surf->dri_buffers[attachment];
+
+ if (b == NULL) {
+ b = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
+ attachment, format,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height);
+ dri2_surf->dri_buffers[attachment] = b;
+ }
+ if (b == NULL)
+ return -1;
+
+ memcpy(buffer, b, sizeof *buffer);
+
+ return 0;
+}
+
+static __DRIbuffer *
+dri2_drm_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;
+ int i, j;
+
+ dri2_surf->buffer_count = 0;
+ for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
+ assert(attachments[i] < __DRI_BUFFER_COUNT);
+ assert(dri2_surf->buffer_count < 5);
+
+ switch (attachments[i]) {
+ case __DRI_BUFFER_BACK_LEFT:
+ if (get_back_bo(dri2_surf) < 0) {
+ _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
+ return NULL;
+ }
+ back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]);
+ break;
+ default:
+ if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1],
+ &dri2_surf->buffers[j]) < 0) {
+ _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer");
+ return NULL;
+ }
+ break;
+ }
+ }
+
+ *out_count = j;
+ if (j == 0)
+ return NULL;
+
+ *width = dri2_surf->base.Width;
+ *height = dri2_surf->base.Height;
+
+ return dri2_surf->buffers;
+}
+
+static __DRIbuffer *
+dri2_drm_get_buffers(__DRIdrawable * driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *loaderPrivate)
+{
+ unsigned int *attachments_with_format;
+ __DRIbuffer *buffer;
+ const unsigned int format = 32;
+ int i;
+
+ attachments_with_format = calloc(count * 2, sizeof(unsigned int));
+ if (!attachments_with_format) {
+ *out_count = 0;
+ return NULL;
+ }
+
+ for (i = 0; i < count; ++i) {
+ attachments_with_format[2*i] = attachments[i];
+ attachments_with_format[2*i + 1] = format;
+ }
+
+ buffer =
+ dri2_drm_get_buffers_with_format(driDrawable,
+ width, height,
+ attachments_with_format, count,
+ out_count, loaderPrivate);
+
+ free(attachments_with_format);
+
+ return buffer;
+}
+
+static int
+dri2_drm_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 gbm_dri_bo *bo;
+
+ if (get_back_bo(dri2_surf) < 0)
+ return 0;
+
+ bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
+ buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
+ buffers->back = bo->image;
+
+ return 1;
+}
+
+static void
+dri2_drm_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
+{
+ (void) driDrawable;
+ (void) loaderPrivate;
+}
+
+static EGLBoolean
+dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
+ int i;
+
+ if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
+ if (dri2_surf->current)
+ _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
+ if (dri2_surf->color_buffers[i].age > 0)
+ dri2_surf->color_buffers[i].age++;
+ dri2_surf->current = dri2_surf->back;
+ dri2_surf->current->age = 1;
+ dri2_surf->back = NULL;
+ }
+
+ (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
+ (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
+
+ return EGL_TRUE;
+}
+
+static EGLint
+dri2_drm_query_buffer_age(_EGLDriver *drv,
+ _EGLDisplay *disp, _EGLSurface *surface)
+{
+ struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
+
+ if (get_back_bo(dri2_surf) < 0) {
+ _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
+ return 0;
+ }
+
+ return dri2_surf->back->age;
+}
+
+static _EGLImage *
+dri2_drm_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx,
+ EGLClientBuffer buffer, const EGLint *attr_list)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ struct gbm_dri_bo *dri_bo = gbm_dri_bo((struct gbm_bo *) buffer);
+ struct dri2_egl_image *dri2_img;
+
+ dri2_img = malloc(sizeof *dri2_img);
+ if (!dri2_img) {
+ _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr_pixmap");
+ return NULL;
+ }
+
+ if (!_eglInitImage(&dri2_img->base, disp)) {
+ free(dri2_img);
+ return NULL;
+ }
+
+ dri2_img->dri_image = dri2_dpy->image->dupImage(dri_bo->image, dri2_img);
+ if (dri2_img->dri_image == NULL) {
+ free(dri2_img);
+ _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr_pixmap");
+ return NULL;
+ }
+
+ return &dri2_img->base;
+}
+
+static _EGLImage *
+dri2_drm_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
+ _EGLContext *ctx, EGLenum target,
+ EGLClientBuffer buffer, const EGLint *attr_list)
+{
+ (void) drv;
+
+ switch (target) {
+ case EGL_NATIVE_PIXMAP_KHR:
+ return dri2_drm_create_image_khr_pixmap(disp, ctx, buffer, attr_list);
+ default:
+ return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
+ }
+}
static int
dri2_drm_authenticate(_EGLDisplay *disp, uint32_t id)
return drmAuthMagic(dri2_dpy->fd, id);
}
+static struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {
+ .authenticate = dri2_drm_authenticate,
+ .create_window_surface = dri2_drm_create_window_surface,
+ .create_pixmap_surface = dri2_fallback_create_pixmap_surface,
+ .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
+ .destroy_surface = dri2_drm_destroy_surface,
+ .create_image = dri2_drm_create_image_khr,
+ .swap_interval = dri2_fallback_swap_interval,
+ .swap_buffers = dri2_drm_swap_buffers,
+ .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
+ .swap_buffers_region = dri2_fallback_swap_buffers_region,
+ .post_sub_buffer = dri2_fallback_post_sub_buffer,
+ .copy_buffers = dri2_fallback_copy_buffers,
+ .query_buffer_age = dri2_drm_query_buffer_age,
+ .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
+};
+
EGLBoolean
dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
+ struct gbm_device *gbm;
+ int fd = -1;
int i;
- dri2_dpy = malloc(sizeof *dri2_dpy);
+ loader_set_logger(_eglLog);
+
+ dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
-
- memset(dri2_dpy, 0, sizeof *dri2_dpy);
disp->DriverData = (void *) dri2_dpy;
- dri2_dpy->fd = (int) (intptr_t) disp->PlatformDisplay;
- dri2_dpy->driver_name = dri2_get_driver_for_fd(dri2_dpy->fd);
- if (dri2_dpy->driver_name == NULL)
- return _eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
+ gbm = disp->PlatformDisplay;
+ if (gbm == NULL) {
+ fd = open("/dev/dri/card0", O_RDWR);
+ dri2_dpy->own_device = 1;
+ gbm = gbm_create_device(fd);
+ if (gbm == NULL)
+ return EGL_FALSE;
+ }
+
+ if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0) {
+ free(dri2_dpy);
+ return EGL_FALSE;
+ }
+
+ dri2_dpy->gbm_dri = gbm_dri_device(gbm);
+ if (dri2_dpy->gbm_dri->base.type != GBM_DRM_DRIVER_TYPE_DRI) {
+ free(dri2_dpy);
+ return EGL_FALSE;
+ }
- dri2_dpy->device_name = dri2_get_device_name_for_fd(dri2_dpy->fd);
- if (dri2_dpy->device_name == NULL) {
- _eglError(EGL_BAD_ALLOC, "DRI2: failed to get device name");
- goto cleanup_driver_name;
+ if (fd < 0) {
+ fd = dup(gbm_device_get_fd(gbm));
+ if (fd < 0) {
+ free(dri2_dpy);
+ return EGL_FALSE;
+ }
}
- if (!dri2_load_driver(disp))
- goto cleanup_device_name;
+ dri2_dpy->fd = fd;
+ dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
+ dri2_dpy->driver_name = dri2_dpy->gbm_dri->base.driver_name;
+
+ dri2_dpy->dri_screen = dri2_dpy->gbm_dri->screen;
+ dri2_dpy->core = dri2_dpy->gbm_dri->core;
+ dri2_dpy->dri2 = dri2_dpy->gbm_dri->dri2;
+ dri2_dpy->image = dri2_dpy->gbm_dri->image;
+ dri2_dpy->flush = dri2_dpy->gbm_dri->flush;
+ dri2_dpy->driver_configs = dri2_dpy->gbm_dri->driver_configs;
+
+ dri2_dpy->gbm_dri->lookup_image = dri2_lookup_egl_image;
+ dri2_dpy->gbm_dri->lookup_user_data = disp;
+
+ dri2_dpy->gbm_dri->get_buffers = dri2_drm_get_buffers;
+ dri2_dpy->gbm_dri->flush_front_buffer = dri2_drm_flush_front_buffer;
+ dri2_dpy->gbm_dri->get_buffers_with_format = dri2_drm_get_buffers_with_format;
+ dri2_dpy->gbm_dri->image_get_buffers = dri2_drm_image_get_buffers;
- dri2_dpy->extensions[0] = &image_lookup_extension.base;
- dri2_dpy->extensions[1] = &use_invalidate.base;
- dri2_dpy->extensions[2] = NULL;
+ dri2_dpy->gbm_dri->base.base.surface_lock_front_buffer = lock_front_buffer;
+ dri2_dpy->gbm_dri->base.base.surface_release_buffer = release_buffer;
+ dri2_dpy->gbm_dri->base.base.surface_has_free_buffers = has_free_buffers;
- if (!dri2_create_screen(disp))
- goto cleanup_driver;
+ dri2_setup_screen(disp);
- for (i = 0; dri2_dpy->driver_configs[i]; i++)
- dri2_add_config(disp, dri2_dpy->driver_configs[i], i + 1, 0, 0, NULL);
+ for (i = 0; dri2_dpy->driver_configs[i]; i++) {
+ EGLint format, attr_list[3];
+ unsigned int mask;
+
+ dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
+ __DRI_ATTRIB_RED_MASK, &mask);
+ if (mask == 0x3ff00000)
+ format = GBM_FORMAT_XRGB2101010;
+ else if (mask == 0x00ff0000)
+ format = GBM_FORMAT_XRGB8888;
+ else if (mask == 0xf800)
+ format = GBM_FORMAT_RGB565;
+ else
+ continue;
+
+ attr_list[0] = EGL_NATIVE_VISUAL_ID;
+ attr_list[1] = format;
+ attr_list[2] = EGL_NONE;
+
+ dri2_add_config(disp, dri2_dpy->driver_configs[i],
+ i + 1, EGL_WINDOW_BIT, attr_list, NULL);
+ }
+
+ disp->Extensions.EXT_buffer_age = EGL_TRUE;
#ifdef HAVE_WAYLAND_PLATFORM
disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
#endif
- dri2_dpy->authenticate = dri2_drm_authenticate;
-
+
/* we're supporting EGL 1.4 */
disp->VersionMajor = 1;
disp->VersionMinor = 4;
- return EGL_TRUE;
-
- cleanup_driver:
- dlclose(dri2_dpy->driver);
- cleanup_device_name:
- free(dri2_dpy->device_name);
- cleanup_driver_name:
- free(dri2_dpy->driver_name);
+ /* Fill vtbl last to prevent accidentally calling virtual function during
+ * initialization.
+ */
+ dri2_dpy->vtbl = &dri2_drm_display_vtbl;
- return EGL_FALSE;
+ return EGL_TRUE;
}
projects / mesa.git / blobdiff