/*
- * Copyright © 2011 Intel Corporation
+ * Copyright © 2011-2012 Intel Corporation
+ * Copyright © 2012 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
+#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <xf86drm.h>
+#include <sys/mman.h>
#include "egl_dri2.h"
+#include "egl_dri2_fallbacks.h"
+#include "loader.h"
#include <wayland-client.h>
#include "wayland-drm-client-protocol.h"
enum wl_drm_format_flags {
HAS_ARGB8888 = 1,
- HAS_XRGB8888 = 2
+ HAS_XRGB8888 = 2,
+ HAS_RGB565 = 4,
};
+static EGLBoolean
+dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
+ EGLint interval);
+
static void
sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
{
}
static const struct wl_callback_listener sync_listener = {
- sync_callback
+ .done = sync_callback
};
static int
while (ret != -1 && !done)
ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
+ if (!done)
+ wl_callback_destroy(callback);
+
return ret;
}
struct dri2_egl_surface *dri2_surf = data;
int i;
- for (i = 0; i < WL_BUFFER_COUNT; ++i)
- if (dri2_surf->wl_drm_buffer[i] == buffer)
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
+ if (dri2_surf->color_buffers[i].wl_buffer == buffer)
break;
- assert(i <= WL_BUFFER_COUNT);
-
- /* not found? */
- if (i == WL_BUFFER_COUNT)
+ if (i == ARRAY_SIZE(dri2_surf->color_buffers)) {
+ wl_buffer_destroy(buffer);
return;
+ }
- dri2_surf->wl_buffer_lock[i] = 0;
-
+ dri2_surf->color_buffers[i].locked = 0;
}
-static struct wl_buffer_listener wl_buffer_listener = {
- wl_buffer_release
+static const struct wl_buffer_listener wl_buffer_listener = {
+ .release = wl_buffer_release
};
+static void
+resize_callback(struct wl_egl_window *wl_win, void *data)
+{
+ struct dri2_egl_surface *dri2_surf = data;
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+
+ (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
+}
+
/**
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
*/
static _EGLSurface *
-dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
- _EGLConfig *conf, EGLNativeWindowType window,
- const EGLint *attrib_list)
+dri2_wl_create_surface(_EGLDriver *drv, _EGLDisplay *disp,
+ _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 wl_egl_window *window = native_window;
struct dri2_egl_surface *dri2_surf;
- struct dri2_egl_buffer *dri2_buf;
- int i;
+ const __DRIconfig *config;
(void) drv;
- dri2_surf = malloc(sizeof *dri2_surf);
+ 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;
-
- for (i = 0; i < WL_BUFFER_COUNT; ++i) {
- dri2_surf->wl_drm_buffer[i] = NULL;
- dri2_surf->wl_buffer_lock[i] = 0;
- }
- for (i = 0; i < __DRI_BUFFER_COUNT; ++i)
- dri2_surf->dri_buffers[i] = NULL;
-
- dri2_surf->pending_buffer = NULL;
- dri2_surf->third_buffer = NULL;
- dri2_surf->frame_callback = NULL;
+ if (!_eglInitSurface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list))
+ goto cleanup_surf;
- if (conf->AlphaSize == 0)
+ if (conf->RedSize == 5)
+ dri2_surf->format = WL_DRM_FORMAT_RGB565;
+ else if (conf->AlphaSize == 0)
dri2_surf->format = WL_DRM_FORMAT_XRGB8888;
else
dri2_surf->format = WL_DRM_FORMAT_ARGB8888;
- switch (type) {
- case EGL_WINDOW_BIT:
- dri2_surf->wl_win = (struct wl_egl_window *) window;
+ if (!window) {
+ _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface");
+ goto cleanup_surf;
+ }
+
+ dri2_surf->wl_win = window;
- dri2_surf->base.Width = -1;
- dri2_surf->base.Height = -1;
- break;
- case EGL_PIXMAP_BIT:
- dri2_surf->wl_pix = (struct wl_egl_pixmap *) window;
+ dri2_surf->wl_win->private = dri2_surf;
+ dri2_surf->wl_win->resize_callback = resize_callback;
- dri2_surf->base.Width = dri2_surf->wl_pix->width;
- dri2_surf->base.Height = dri2_surf->wl_pix->height;
+ dri2_surf->base.Width = -1;
+ dri2_surf->base.Height = -1;
- if (dri2_surf->wl_pix->driver_private) {
- dri2_buf = dri2_surf->wl_pix->driver_private;
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT] = dri2_buf->dri_buffer;
- }
- break;
- default:
- goto cleanup_surf;
- }
+ config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
+ dri2_surf->base.GLColorspace);
dri2_surf->dri_drawable =
- (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
- type == EGL_WINDOW_BIT ?
- dri2_conf->dri_double_config :
- dri2_conf->dri_single_config,
- dri2_surf);
+ (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen, config,
+ dri2_surf);
if (dri2_surf->dri_drawable == NULL) {
_eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
- goto cleanup_dri_drawable;
+ goto cleanup_surf;
}
return &dri2_surf->base;
- cleanup_dri_drawable:
- dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
cleanup_surf:
free(dri2_surf);
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
*/
static _EGLSurface *
-dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
- _EGLConfig *conf, EGLNativeWindowType window,
- const EGLint *attrib_list)
+dri2_wl_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
+ _EGLConfig *conf, void *native_window,
+ const EGLint *attrib_list)
{
- return dri2_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
- window, attrib_list);
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ _EGLSurface *surf;
+
+ surf = dri2_wl_create_surface(drv, disp, conf, native_window, attrib_list);
+
+ if (surf != NULL)
+ dri2_wl_swap_interval(drv, disp, surf, dri2_dpy->default_swap_interval);
+
+ return surf;
}
static _EGLSurface *
-dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
- _EGLConfig *conf, EGLNativePixmapType pixmap,
- const EGLint *attrib_list)
+dri2_wl_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
+ _EGLConfig *conf, void *native_window,
+ const EGLint *attrib_list)
{
- return dri2_create_surface(drv, disp, EGL_PIXMAP_BIT, conf,
- pixmap, attrib_list);
+ /* From the EGL_EXT_platform_wayland spec, version 3:
+ *
+ * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
+ * that belongs to Wayland. Any such call fails and generates
+ * EGL_BAD_PARAMETER.
+ */
+ _eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on "
+ "Wayland");
+ return NULL;
}
/**
* Called via eglDestroySurface(), drv->API.DestroySurface().
*/
static EGLBoolean
-dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
+dri2_wl_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);
(*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
- for (i = 0; i < WL_BUFFER_COUNT; ++i)
- if (dri2_surf->wl_drm_buffer[i])
- wl_buffer_destroy(dri2_surf->wl_drm_buffer[i]);
-
- for (i = 0; i < __DRI_BUFFER_COUNT; ++i)
- if (dri2_surf->dri_buffers[i] && !(i == __DRI_BUFFER_FRONT_LEFT &&
- dri2_surf->base.Type == EGL_PIXMAP_BIT))
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->dri_buffers[i]);
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (dri2_surf->color_buffers[i].wl_buffer)
+ wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
+ if (dri2_surf->color_buffers[i].dri_image)
+ dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
+ if (dri2_surf->color_buffers[i].linear_copy)
+ dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
+ if (dri2_surf->color_buffers[i].data)
+ munmap(dri2_surf->color_buffers[i].data,
+ dri2_surf->color_buffers[i].data_size);
+ }
- if (dri2_surf->third_buffer) {
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->third_buffer);
+ if (dri2_dpy->dri2) {
+ for (i = 0; i < __DRI_BUFFER_COUNT; i++)
+ if (dri2_surf->dri_buffers[i] &&
+ dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
+ dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
+ dri2_surf->dri_buffers[i]);
}
+ if (dri2_surf->throttle_callback)
+ wl_callback_destroy(dri2_surf->throttle_callback);
+
+ dri2_surf->wl_win->private = NULL;
+ dri2_surf->wl_win->resize_callback = NULL;
+
free(surf);
return EGL_TRUE;
}
static void
-dri2_wl_egl_pixmap_destroy(struct wl_egl_pixmap *egl_pixmap)
-{
- struct dri2_egl_buffer *dri2_buf = egl_pixmap->driver_private;
-
- assert(dri2_buf);
-
- dri2_buf->dri2_dpy->dri2->releaseBuffer(dri2_buf->dri2_dpy->dri_screen,
- dri2_buf->dri_buffer);
-
- free(dri2_buf);
-
- egl_pixmap->driver_private = NULL;
- egl_pixmap->destroy = NULL;
-}
-
-static struct wl_buffer *
-wayland_create_buffer(struct dri2_egl_surface *dri2_surf,
- __DRIbuffer *buffer)
+dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
- struct wl_buffer *buf;
+ int i;
- buf = wl_drm_create_buffer(dri2_dpy->wl_drm, buffer->name,
- dri2_surf->base.Width, dri2_surf->base.Height,
- buffer->pitch, dri2_surf->format);
- wl_buffer_add_listener(buf, &wl_buffer_listener, dri2_surf);
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (dri2_surf->color_buffers[i].wl_buffer &&
+ !dri2_surf->color_buffers[i].locked)
+ wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
+ if (dri2_surf->color_buffers[i].dri_image)
+ dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
+ if (dri2_surf->color_buffers[i].linear_copy)
+ dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
+ if (dri2_surf->color_buffers[i].data)
+ munmap(dri2_surf->color_buffers[i].data,
+ dri2_surf->color_buffers[i].data_size);
+
+ dri2_surf->color_buffers[i].wl_buffer = NULL;
+ dri2_surf->color_buffers[i].dri_image = NULL;
+ dri2_surf->color_buffers[i].linear_copy = NULL;
+ dri2_surf->color_buffers[i].data = NULL;
+ dri2_surf->color_buffers[i].locked = 0;
+ }
- return buf;
+ if (dri2_dpy->dri2) {
+ for (i = 0; i < __DRI_BUFFER_COUNT; i++)
+ if (dri2_surf->dri_buffers[i] &&
+ dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
+ dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
+ dri2_surf->dri_buffers[i]);
+ }
}
-static void
-dri2_process_back_buffer(struct dri2_egl_surface *dri2_surf, unsigned format)
+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);
-
- (void) format;
-
- switch (dri2_surf->base.Type) {
- case EGL_WINDOW_BIT:
- /* allocate a front buffer for our double-buffered window*/
- if (dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT] != NULL)
- break;
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT] =
- dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
- __DRI_BUFFER_FRONT_LEFT, format,
- dri2_surf->base.Width, dri2_surf->base.Height);
+ int i, use_flags;
+ unsigned int dri_image_format;
+
+ /* currently supports three WL DRM formats,
+ * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888,
+ * and WL_DRM_FORMAT_RGB565
+ */
+ switch (dri2_surf->format) {
+ case WL_DRM_FORMAT_ARGB8888:
+ dri_image_format = __DRI_IMAGE_FORMAT_ARGB8888;
break;
- default:
+ case WL_DRM_FORMAT_XRGB8888:
+ dri_image_format = __DRI_IMAGE_FORMAT_XRGB8888;
break;
- }
-}
-
-static void
-dri2_process_front_buffer(struct dri2_egl_surface *dri2_surf, unsigned format)
-{
- struct dri2_egl_display *dri2_dpy =
- dri2_egl_display(dri2_surf->base.Resource.Display);
- struct dri2_egl_buffer *dri2_buf;
-
- switch (dri2_surf->base.Type) {
- case EGL_PIXMAP_BIT:
- dri2_buf = malloc(sizeof *dri2_buf);
- if (!dri2_buf)
- return;
-
- dri2_buf->dri_buffer = dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT];
- dri2_buf->dri2_dpy = dri2_dpy;
-
- dri2_surf->wl_pix->driver_private = dri2_buf;
- dri2_surf->wl_pix->destroy = dri2_wl_egl_pixmap_destroy;
+ case WL_DRM_FORMAT_RGB565:
+ dri_image_format = __DRI_IMAGE_FORMAT_RGB565;
break;
default:
- break;
+ /* format is not supported */
+ return -1;
}
-}
-
-static void
-dri2_release_pending_buffer(void *data,
- struct wl_callback *callback, uint32_t time)
-{
- struct dri2_egl_surface *dri2_surf = data;
- struct dri2_egl_display *dri2_dpy =
- dri2_egl_display(dri2_surf->base.Resource.Display);
- /* FIXME: print internal error */
- if (!dri2_surf->pending_buffer)
- return;
-
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->pending_buffer);
- dri2_surf->pending_buffer = NULL;
+ /* We always want to throttle to some event (either a frame callback or
+ * a sync request) after the commit so that we can be sure the
+ * compositor has had a chance to handle it and send us a release event
+ * before we look for a free buffer */
+ while (dri2_surf->throttle_callback != NULL)
+ if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
+ dri2_dpy->wl_queue) == -1)
+ return -1;
+
+ if (dri2_surf->back == NULL) {
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ /* Get an unlocked buffer, preferrably one with a dri_buffer
+ * already allocated. */
+ if (dri2_surf->color_buffers[i].locked)
+ continue;
+ if (dri2_surf->back == NULL)
+ dri2_surf->back = &dri2_surf->color_buffers[i];
+ else if (dri2_surf->back->dri_image == NULL)
+ dri2_surf->back = &dri2_surf->color_buffers[i];
+ }
+ }
- wl_callback_destroy(callback);
-}
+ if (dri2_surf->back == NULL)
+ return -1;
+
+ use_flags = __DRI_IMAGE_USE_SHARE | __DRI_IMAGE_USE_BACKBUFFER;
+
+ if (dri2_dpy->is_different_gpu &&
+ dri2_surf->back->linear_copy == NULL) {
+ dri2_surf->back->linear_copy =
+ dri2_dpy->image->createImage(dri2_dpy->dri_screen,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ dri_image_format,
+ use_flags |
+ __DRI_IMAGE_USE_LINEAR,
+ NULL);
+ if (dri2_surf->back->linear_copy == NULL)
+ return -1;
+ }
-static const struct wl_callback_listener release_buffer_listener = {
- dri2_release_pending_buffer
-};
+ if (dri2_surf->back->dri_image == NULL) {
+ dri2_surf->back->dri_image =
+ dri2_dpy->image->createImage(dri2_dpy->dri_screen,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ dri_image_format,
+ dri2_dpy->is_different_gpu ?
+ 0 : use_flags,
+ NULL);
+ dri2_surf->back->age = 0;
+ }
+ if (dri2_surf->back->dri_image == NULL)
+ return -1;
-static void
-dri2_release_buffers(struct dri2_egl_surface *dri2_surf)
-{
- struct dri2_egl_display *dri2_dpy =
- dri2_egl_display(dri2_surf->base.Resource.Display);
- struct wl_callback *callback;
- int i;
+ dri2_surf->back->locked = 1;
- if (dri2_surf->third_buffer) {
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->third_buffer);
- dri2_surf->third_buffer = NULL;
- }
-
- for (i = 0; i < __DRI_BUFFER_COUNT; ++i) {
- if (dri2_surf->dri_buffers[i]) {
- switch (i) {
- case __DRI_BUFFER_FRONT_LEFT:
- if (dri2_surf->pending_buffer)
- roundtrip(dri2_dpy);
- dri2_surf->pending_buffer = dri2_surf->dri_buffers[i];
- callback = wl_display_sync(dri2_dpy->wl_dpy);
- wl_callback_add_listener(callback,
- &release_buffer_listener, dri2_surf);
- wl_proxy_set_queue((struct wl_proxy *) callback,
- dri2_dpy->wl_queue);
- break;
- default:
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->dri_buffers[i]);
- break;
- }
- dri2_surf->dri_buffers[i] = NULL;
- }
- }
+ return 0;
}
-static inline void
-pointer_swap(const void **p1, const void **p2)
-{
- const void *tmp = *p1;
- *p1 = *p2;
- *p2 = tmp;
-}
static void
-destroy_third_buffer(struct dri2_egl_surface *dri2_surf)
+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);
+ __DRIimage *image;
+ int name, pitch;
- if (dri2_surf->third_buffer == NULL)
- return;
-
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->third_buffer);
- dri2_surf->third_buffer = NULL;
-
- if (dri2_surf->wl_drm_buffer[WL_BUFFER_THIRD])
- wl_buffer_destroy(dri2_surf->wl_drm_buffer[WL_BUFFER_THIRD]);
- dri2_surf->wl_drm_buffer[WL_BUFFER_THIRD] = NULL;
- dri2_surf->wl_buffer_lock[WL_BUFFER_THIRD] = 0;
-}
+ image = dri2_surf->back->dri_image;
-static void
-swap_wl_buffers(struct dri2_egl_surface *dri2_surf,
- enum wayland_buffer_type a, enum wayland_buffer_type b)
-{
- int tmp;
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
- tmp = dri2_surf->wl_buffer_lock[a];
- dri2_surf->wl_buffer_lock[a] = dri2_surf->wl_buffer_lock[b];
- dri2_surf->wl_buffer_lock[b] = tmp;
-
- pointer_swap((const void **) &dri2_surf->wl_drm_buffer[a],
- (const void **) &dri2_surf->wl_drm_buffer[b]);
+ buffer->attachment = __DRI_BUFFER_BACK_LEFT;
+ buffer->name = name;
+ buffer->pitch = pitch;
+ buffer->cpp = 4;
+ buffer->flags = 0;
}
-static void
-swap_back_and_third(struct dri2_egl_surface *dri2_surf)
+static int
+get_aux_bo(struct dri2_egl_surface *dri2_surf,
+ unsigned int attachment, unsigned int format, __DRIbuffer *buffer)
{
- if (dri2_surf->wl_buffer_lock[WL_BUFFER_THIRD])
- destroy_third_buffer(dri2_surf);
-
- pointer_swap((const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT],
- (const void **) &dri2_surf->third_buffer);
-
- swap_wl_buffers(dri2_surf, WL_BUFFER_BACK, WL_BUFFER_THIRD);
-}
+ 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;
-static void
-dri2_prior_buffer_creation(struct dri2_egl_surface *dri2_surf,
- unsigned int type)
-{
- switch (type) {
- case __DRI_BUFFER_BACK_LEFT:
- if (dri2_surf->wl_buffer_lock[WL_BUFFER_BACK])
- swap_back_and_third(dri2_surf);
- else if (dri2_surf->third_buffer)
- destroy_third_buffer(dri2_surf);
- break;
- default:
- break;
+ memcpy(buffer, b, sizeof *buffer);
- }
+ return 0;
}
-static __DRIbuffer *
-dri2_get_buffers_with_format(__DRIdrawable * driDrawable,
- int *width, int *height,
- unsigned int *attachments, int count,
- int *out_count, void *loaderPrivate)
+static int
+update_buffers(struct dri2_egl_surface *dri2_surf)
{
- struct dri2_egl_surface *dri2_surf = loaderPrivate;
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
int i;
- if (dri2_surf->base.Type == EGL_WINDOW_BIT &&
- (dri2_surf->base.Width != dri2_surf->wl_win->width ||
- dri2_surf->base.Height != dri2_surf->wl_win->height)) {
+ if (dri2_surf->base.Width != dri2_surf->wl_win->width ||
+ dri2_surf->base.Height != dri2_surf->wl_win->height) {
- dri2_release_buffers(dri2_surf);
+ dri2_wl_release_buffers(dri2_surf);
dri2_surf->base.Width = dri2_surf->wl_win->width;
dri2_surf->base.Height = dri2_surf->wl_win->height;
dri2_surf->dx = dri2_surf->wl_win->dx;
dri2_surf->dy = dri2_surf->wl_win->dy;
-
- for (i = 0; i < WL_BUFFER_COUNT; ++i) {
- if (dri2_surf->wl_drm_buffer[i])
- wl_buffer_destroy(dri2_surf->wl_drm_buffer[i]);
- dri2_surf->wl_drm_buffer[i] = NULL;
- dri2_surf->wl_buffer_lock[i] = 0;
- }
}
- dri2_surf->buffer_count = 0;
- for (i = 0; i < 2*count; i+=2) {
- assert(attachments[i] < __DRI_BUFFER_COUNT);
- assert(dri2_surf->buffer_count < 5);
+ if (get_back_bo(dri2_surf) < 0) {
+ _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
+ return -1;
+ }
- dri2_prior_buffer_creation(dri2_surf, attachments[i]);
+ /* If we have an extra unlocked buffer at this point, we had to do triple
+ * buffering for a while, but now can go back to just double buffering.
+ * That means we can free any unlocked buffer now. */
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (!dri2_surf->color_buffers[i].locked &&
+ dri2_surf->color_buffers[i].wl_buffer) {
+ wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
+ dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
+ if (dri2_dpy->is_different_gpu)
+ dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
+ dri2_surf->color_buffers[i].wl_buffer = NULL;
+ dri2_surf->color_buffers[i].dri_image = NULL;
+ dri2_surf->color_buffers[i].linear_copy = NULL;
+ }
+ }
- if (dri2_surf->dri_buffers[attachments[i]] == NULL) {
+ return 0;
+}
- dri2_surf->dri_buffers[attachments[i]] =
- dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
- attachments[i], attachments[i+1],
- dri2_surf->base.Width, dri2_surf->base.Height);
+static __DRIbuffer *
+dri2_wl_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;
- if (!dri2_surf->dri_buffers[attachments[i]])
- continue;
+ if (update_buffers(dri2_surf) < 0)
+ return NULL;
- if (attachments[i] == __DRI_BUFFER_FRONT_LEFT)
- dri2_process_front_buffer(dri2_surf, attachments[i+1]);
- else if (attachments[i] == __DRI_BUFFER_BACK_LEFT)
- dri2_process_back_buffer(dri2_surf, attachments[i+1]);
+ for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
+ switch (attachments[i]) {
+ case __DRI_BUFFER_BACK_LEFT:
+ 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;
}
-
- memcpy(&dri2_surf->buffers[dri2_surf->buffer_count],
- dri2_surf->dri_buffers[attachments[i]],
- sizeof(__DRIbuffer));
-
- dri2_surf->buffer_count++;
}
- assert(dri2_surf->base.Type == EGL_PIXMAP_BIT ||
- dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
-
- if (dri2_surf->base.Type == EGL_PIXMAP_BIT && !dri2_surf->wl_pix->buffer)
- dri2_surf->wl_pix->buffer =
- wayland_create_buffer(dri2_surf,
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]);
-
- *out_count = dri2_surf->buffer_count;
- if (dri2_surf->buffer_count == 0)
+ *out_count = j;
+ if (j == 0)
return NULL;
*width = dri2_surf->base.Width;
}
static __DRIbuffer *
-dri2_get_buffers(__DRIdrawable * driDrawable,
- int *width, int *height,
- unsigned int *attachments, int count,
- int *out_count, void *loaderPrivate)
+dri2_wl_get_buffers(__DRIdrawable * driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *loaderPrivate)
{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
unsigned int *attachments_with_format;
__DRIbuffer *buffer;
- const unsigned int format = 32;
+ unsigned int bpp;
+
int i;
- attachments_with_format = calloc(count * 2, sizeof(unsigned int));
+ switch (dri2_surf->format) {
+ case WL_DRM_FORMAT_ARGB8888:
+ case WL_DRM_FORMAT_XRGB8888:
+ bpp = 32;
+ break;
+ case WL_DRM_FORMAT_RGB565:
+ bpp = 16;
+ break;
+ default:
+ /* format is not supported */
+ return NULL;
+ }
+
+ 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;
+ attachments_with_format[2*i + 1] = bpp;
}
buffer =
- dri2_get_buffers_with_format(driDrawable,
- width, height,
- attachments_with_format, count,
- out_count, loaderPrivate);
+ dri2_wl_get_buffers_with_format(driDrawable,
+ width, height,
+ attachments_with_format, count,
+ out_count, loaderPrivate);
free(attachments_with_format);
return buffer;
}
-
-static void
-dri2_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
+static int
+image_get_buffers(__DRIdrawable *driDrawable,
+ unsigned int format,
+ uint32_t *stamp,
+ void *loaderPrivate,
+ uint32_t buffer_mask,
+ struct __DRIimageList *buffers)
{
- (void) driDrawable;
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
- /* FIXME: Does EGL support front buffer rendering at all? */
+ if (update_buffers(dri2_surf) < 0)
+ return 0;
-#if 0
- struct dri2_egl_surface *dri2_surf = loaderPrivate;
+ buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
+ buffers->back = dri2_surf->back->dri_image;
- dri2WaitGL(dri2_surf);
-#else
+ return 1;
+}
+
+static void
+dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
+{
+ (void) driDrawable;
(void) loaderPrivate;
-#endif
}
+static const __DRIimageLoaderExtension image_loader_extension = {
+ .base = { __DRI_IMAGE_LOADER, 1 },
+
+ .getBuffers = image_get_buffers,
+ .flushFrontBuffer = dri2_wl_flush_front_buffer,
+};
+
static void
-wayland_frame_callback(void *data, struct wl_callback *callback, uint32_t time)
+wayland_throttle_callback(void *data,
+ struct wl_callback *callback,
+ uint32_t time)
{
struct dri2_egl_surface *dri2_surf = data;
- dri2_surf->frame_callback = NULL;
+ dri2_surf->throttle_callback = NULL;
wl_callback_destroy(callback);
}
-static const struct wl_callback_listener frame_listener = {
- wayland_frame_callback
+static const struct wl_callback_listener throttle_listener = {
+ .done = wayland_throttle_callback
};
+static void
+create_wl_buffer(struct dri2_egl_surface *dri2_surf)
+{
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+ __DRIimage *image;
+ int fd, stride, name;
+
+ if (dri2_surf->current->wl_buffer != NULL)
+ return;
+
+ if (dri2_dpy->is_different_gpu) {
+ image = dri2_surf->current->linear_copy;
+ } else {
+ image = dri2_surf->current->dri_image;
+ }
+ if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
+
+ dri2_surf->current->wl_buffer =
+ wl_drm_create_prime_buffer(dri2_dpy->wl_drm,
+ fd,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ dri2_surf->format,
+ 0, stride,
+ 0, 0,
+ 0, 0);
+ close(fd);
+ } else {
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
+
+ dri2_surf->current->wl_buffer =
+ wl_drm_create_buffer(dri2_dpy->wl_drm,
+ name,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ stride,
+ dri2_surf->format);
+ }
+
+ wl_proxy_set_queue((struct wl_proxy *) dri2_surf->current->wl_buffer,
+ dri2_dpy->wl_queue);
+ wl_buffer_add_listener(dri2_surf->current->wl_buffer,
+ &wl_buffer_listener, dri2_surf);
+}
+
+static EGLBoolean
+try_damage_buffer(struct dri2_egl_surface *dri2_surf,
+ const EGLint *rects,
+ EGLint n_rects)
+{
+/* The WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION macro and
+ * wl_proxy_get_version() were both introduced in wayland 1.10.
+ * Instead of bumping our wayland dependency we just make this
+ * function conditional on the required 1.10 features, falling
+ * back to old (correct but suboptimal) behaviour for older
+ * wayland.
+ */
+#ifdef WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION
+ int i;
+
+ if (wl_proxy_get_version((struct wl_proxy *) dri2_surf->wl_win->surface)
+ < WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
+ return EGL_FALSE;
+
+ for (i = 0; i < n_rects; i++) {
+ const int *rect = &rects[i * 4];
+
+ wl_surface_damage_buffer(dri2_surf->wl_win->surface,
+ rect[0],
+ dri2_surf->base.Height - rect[1] - rect[3],
+ rect[2], rect[3]);
+ }
+ return EGL_TRUE;
+#endif
+ return EGL_FALSE;
+}
/**
* Called via eglSwapBuffers(), drv->API.SwapBuffers().
*/
static EGLBoolean
-dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
+dri2_wl_swap_buffers_with_damage(_EGLDriver *drv,
+ _EGLDisplay *disp,
+ _EGLSurface *draw,
+ const EGLint *rects,
+ EGLint n_rects)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
- struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
- int ret = 0;
-
- while (dri2_surf->frame_callback && ret != -1)
- ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
- if (ret < 0)
- return EGL_FALSE;
+ int i;
- dri2_surf->frame_callback = wl_surface_frame(dri2_surf->wl_win->surface);
- wl_callback_add_listener(dri2_surf->frame_callback,
- &frame_listener, dri2_surf);
- wl_proxy_set_queue((struct wl_proxy *) dri2_surf->frame_callback,
- dri2_dpy->wl_queue);
+ 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++;
- if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
- pointer_swap(
- (const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT],
- (const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
+ /* Make sure we have a back buffer in case we're swapping without ever
+ * rendering. */
+ if (get_back_bo(dri2_surf) < 0) {
+ _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
+ return EGL_FALSE;
+ }
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]->attachment =
- __DRI_BUFFER_FRONT_LEFT;
- dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]->attachment =
- __DRI_BUFFER_BACK_LEFT;
+ if (draw->SwapInterval > 0) {
+ dri2_surf->throttle_callback =
+ wl_surface_frame(dri2_surf->wl_win->surface);
+ wl_callback_add_listener(dri2_surf->throttle_callback,
+ &throttle_listener, dri2_surf);
+ wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
+ dri2_dpy->wl_queue);
+ }
- swap_wl_buffers(dri2_surf, WL_BUFFER_FRONT, WL_BUFFER_BACK);
+ dri2_surf->back->age = 1;
+ dri2_surf->current = dri2_surf->back;
+ dri2_surf->back = NULL;
+
+ create_wl_buffer(dri2_surf);
+
+ wl_surface_attach(dri2_surf->wl_win->surface,
+ dri2_surf->current->wl_buffer,
+ dri2_surf->dx, dri2_surf->dy);
+
+ dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
+ dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
+ /* reset resize growing parameters */
+ dri2_surf->dx = 0;
+ dri2_surf->dy = 0;
+
+ /* If the compositor doesn't support damage_buffer, we deliberately
+ * ignore the damage region and post maximum damage, due to
+ * https://bugs.freedesktop.org/78190 */
+ if (!n_rects || !try_damage_buffer(dri2_surf, rects, n_rects))
+ wl_surface_damage(dri2_surf->wl_win->surface,
+ 0, 0, INT32_MAX, INT32_MAX);
+
+ if (dri2_dpy->is_different_gpu) {
+ _EGLContext *ctx = _eglGetCurrentContext();
+ struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
+ dri2_dpy->image->blitImage(dri2_ctx->dri_context,
+ dri2_surf->current->linear_copy,
+ dri2_surf->current->dri_image,
+ 0, 0, dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ 0, 0, dri2_surf->base.Width,
+ dri2_surf->base.Height, 0);
+ }
- if (!dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT])
- dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT] =
- wayland_create_buffer(dri2_surf,
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]);
+ dri2_flush_drawable_for_swapbuffers(disp, draw);
+ (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
- wl_surface_attach(dri2_surf->wl_win->surface,
- dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT],
- dri2_surf->dx, dri2_surf->dy);
- dri2_surf->wl_buffer_lock[WL_BUFFER_FRONT] = 1;
+ wl_surface_commit(dri2_surf->wl_win->surface);
+
+ /* If we're not waiting for a frame callback then we'll at least throttle
+ * to a sync callback so that we always give a chance for the compositor to
+ * handle the commit and send a release event before checking for a free
+ * buffer */
+ if (dri2_surf->throttle_callback == NULL) {
+ dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy);
+ wl_callback_add_listener(dri2_surf->throttle_callback,
+ &throttle_listener, dri2_surf);
+ wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
+ dri2_dpy->wl_queue);
+ }
- dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
- dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
- /* reset resize growing parameters */
- dri2_surf->dx = 0;
- dri2_surf->dy = 0;
+ wl_display_flush(dri2_dpy->wl_dpy);
- wl_surface_damage(dri2_surf->wl_win->surface, 0, 0,
- dri2_surf->base.Width, dri2_surf->base.Height);
+ return EGL_TRUE;
+}
- wl_surface_commit(dri2_surf->wl_win->surface);
- }
+static EGLint
+dri2_wl_query_buffer_age(_EGLDriver *drv,
+ _EGLDisplay *disp, _EGLSurface *surface)
+{
+ struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
- _EGLContext *ctx;
- if (dri2_drv->glFlush) {
- ctx = _eglGetCurrentContext();
- if (ctx && ctx->DrawSurface == &dri2_surf->base)
- dri2_drv->glFlush();
+ if (get_back_bo(dri2_surf) < 0) {
+ _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
+ return 0;
}
- (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
- (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
+ return dri2_surf->back->age;
+}
- return EGL_TRUE;
+static EGLBoolean
+dri2_wl_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
+{
+ return dri2_wl_swap_buffers_with_damage (drv, disp, draw, NULL, 0);
}
-/**
- * Called via eglCreateImageKHR(), drv->API.CreateImageKHR().
- */
-static _EGLImage *
-dri2_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx,
- EGLClientBuffer buffer, const EGLint *attr_list)
+static struct wl_buffer *
+dri2_wl_create_wayland_buffer_from_image(_EGLDriver *drv,
+ _EGLDisplay *disp,
+ _EGLImage *img)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
- struct wl_egl_pixmap *wl_egl_pixmap = (struct wl_egl_pixmap *) buffer;
- struct dri2_egl_buffer *dri2_buf;
- EGLint wl_attr_list[] = {
- EGL_WIDTH, 0,
- EGL_HEIGHT, 0,
- EGL_DRM_BUFFER_STRIDE_MESA, 0,
- EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
- EGL_NONE
- };
-
- dri2_buf = malloc(sizeof *dri2_buf);
- if (!dri2_buf)
- return NULL;
-
- dri2_buf->dri2_dpy = dri2_dpy;
- dri2_buf->dri_buffer =
- dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
- __DRI_BUFFER_FRONT_LEFT, 32,
- wl_egl_pixmap->width,
- wl_egl_pixmap->height);
-
- wl_egl_pixmap->destroy = dri2_wl_egl_pixmap_destroy;
- wl_egl_pixmap->driver_private = dri2_buf;
-
- /* FIXME: Get buffer format from attr_list somehow... or from the
- wl_egl_piaxmap. */
- wl_egl_pixmap->buffer =
- wl_drm_create_buffer(dri2_dpy->wl_drm,
- dri2_buf->dri_buffer->name,
- wl_egl_pixmap->width,
- wl_egl_pixmap->height,
- dri2_buf->dri_buffer->pitch,
- WL_DRM_FORMAT_ARGB8888);
-
- wl_attr_list[1] = wl_egl_pixmap->width;
- wl_attr_list[3] = wl_egl_pixmap->height;
- wl_attr_list[5] = dri2_buf->dri_buffer->pitch / 4;
-
- return dri2_create_image_khr(disp->Driver, disp, ctx, EGL_DRM_BUFFER_MESA,
- (EGLClientBuffer)(intptr_t) dri2_buf->dri_buffer->name, wl_attr_list);
-}
-
-static _EGLImage *
-dri2_wayland_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
- _EGLContext *ctx, EGLenum target,
- EGLClientBuffer buffer, const EGLint *attr_list)
-{
- (void) drv;
+ struct dri2_egl_image *dri2_img = dri2_egl_image(img);
+ __DRIimage *image = dri2_img->dri_image;
+ struct wl_buffer *buffer;
+ int width, height, format, pitch;
+ enum wl_drm_format wl_format;
- switch (target) {
- case EGL_NATIVE_PIXMAP_KHR:
- return dri2_create_image_khr_pixmap(disp, ctx, buffer, attr_list);
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format);
+
+ switch (format) {
+ case __DRI_IMAGE_FORMAT_ARGB8888:
+ if (!(dri2_dpy->formats & HAS_ARGB8888))
+ goto bad_format;
+ wl_format = WL_DRM_FORMAT_ARGB8888;
+ break;
+ case __DRI_IMAGE_FORMAT_XRGB8888:
+ if (!(dri2_dpy->formats & HAS_XRGB8888))
+ goto bad_format;
+ wl_format = WL_DRM_FORMAT_XRGB8888;
+ break;
default:
- return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
+ goto bad_format;
+ }
+
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width);
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT, &height);
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
+
+ if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
+ int fd;
+
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
+
+ buffer =
+ wl_drm_create_prime_buffer(dri2_dpy->wl_drm,
+ fd,
+ width, height,
+ wl_format,
+ 0, pitch,
+ 0, 0,
+ 0, 0);
+
+ close(fd);
+ } else {
+ int name;
+
+ dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
+
+ buffer =
+ wl_drm_create_buffer(dri2_dpy->wl_drm,
+ name,
+ width, height,
+ pitch,
+ wl_format);
}
+
+ /* The buffer object will have been created with our internal event queue
+ * because it is using the wl_drm object as a proxy factory. We want the
+ * buffer to be used by the application so we'll reset it to the display's
+ * default event queue */
+ if (buffer)
+ wl_proxy_set_queue((struct wl_proxy *) buffer, NULL);
+
+ return buffer;
+
+bad_format:
+ _eglError(EGL_BAD_MATCH, "unsupported image format");
+ return NULL;
}
static int
-dri2_wayland_authenticate(_EGLDisplay *disp, uint32_t id)
+dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
int ret = 0;
+ if (dri2_dpy->is_render_node) {
+ _eglLog(_EGL_WARNING, "wayland-egl: client asks server to "
+ "authenticate for render-nodes");
+ return 0;
+ }
dri2_dpy->authenticated = 0;
wl_drm_authenticate(dri2_dpy->wl_drm, id);
return ret;
}
-/**
- * Called via eglTerminate(), drv->API.Terminate().
- */
-static EGLBoolean
-dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
+static void
+drm_handle_device(void *data, struct wl_drm *drm, const char *device)
{
- struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ struct dri2_egl_display *dri2_dpy = data;
+ drm_magic_t magic;
- _eglReleaseDisplayResources(drv, disp);
- _eglCleanupDisplay(disp);
+ dri2_dpy->device_name = strdup(device);
+ if (!dri2_dpy->device_name)
+ return;
- dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
- close(dri2_dpy->fd);
- dlclose(dri2_dpy->driver);
- free(dri2_dpy->driver_name);
- free(dri2_dpy->device_name);
- wl_drm_destroy(dri2_dpy->wl_drm);
- if (dri2_dpy->own_device)
- wl_display_disconnect(dri2_dpy->wl_dpy);
- free(dri2_dpy);
- disp->DriverData = NULL;
-
- return EGL_TRUE;
-}
-
-static void
-drm_handle_device(void *data, struct wl_drm *drm, const char *device)
-{
- struct dri2_egl_display *dri2_dpy = data;
- drm_magic_t magic;
-
- dri2_dpy->device_name = strdup(device);
- if (!dri2_dpy->device_name)
- return;
-
-#ifdef O_CLOEXEC
- dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR | O_CLOEXEC);
- if (dri2_dpy->fd == -1 && errno == EINVAL)
-#endif
- {
- dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR);
- if (dri2_dpy->fd != -1)
- fcntl(dri2_dpy->fd, F_SETFD, fcntl(dri2_dpy->fd, F_GETFD) |
- FD_CLOEXEC);
- }
+ dri2_dpy->fd = loader_open_device(dri2_dpy->device_name);
if (dri2_dpy->fd == -1) {
_eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)",
dri2_dpy->device_name, strerror(errno));
return;
}
- drmGetMagic(dri2_dpy->fd, &magic);
- wl_drm_authenticate(dri2_dpy->wl_drm, magic);
+ if (drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER) {
+ dri2_dpy->authenticated = 1;
+ } else {
+ drmGetMagic(dri2_dpy->fd, &magic);
+ wl_drm_authenticate(dri2_dpy->wl_drm, magic);
+ }
}
static void
case WL_DRM_FORMAT_XRGB8888:
dri2_dpy->formats |= HAS_XRGB8888;
break;
+ case WL_DRM_FORMAT_RGB565:
+ dri2_dpy->formats |= HAS_RGB565;
+ break;
}
}
+static void
+drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
+{
+ struct dri2_egl_display *dri2_dpy = data;
+
+ dri2_dpy->capabilities = value;
+}
+
static void
drm_handle_authenticated(void *data, struct wl_drm *drm)
{
}
static const struct wl_drm_listener drm_listener = {
- drm_handle_device,
- drm_handle_format,
- drm_handle_authenticated
+ .device = drm_handle_device,
+ .format = drm_handle_format,
+ .authenticated = drm_handle_authenticated,
+ .capabilities = drm_handle_capabilities
};
static void
-registry_handle_global(void *data, struct wl_registry *registry, uint32_t name,
+registry_handle_global_drm(void *data, struct wl_registry *registry, uint32_t name,
const char *interface, uint32_t version)
{
struct dri2_egl_display *dri2_dpy = data;
+ if (version > 1)
+ version = 2;
if (strcmp(interface, "wl_drm") == 0) {
dri2_dpy->wl_drm =
- wl_registry_bind(registry, name, &wl_drm_interface, 1);
+ wl_registry_bind(registry, name, &wl_drm_interface, version);
wl_drm_add_listener(dri2_dpy->wl_drm, &drm_listener, dri2_dpy);
}
}
-static const struct wl_registry_listener registry_listener = {
- registry_handle_global
+static void
+registry_handle_global_remove(void *data, struct wl_registry *registry,
+ uint32_t name)
+{
+}
+
+static const struct wl_registry_listener registry_listener_drm = {
+ .global = registry_handle_global_drm,
+ .global_remove = registry_handle_global_remove
};
-EGLBoolean
-dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
+static EGLBoolean
+dri2_wl_swap_interval(_EGLDriver *drv,
+ _EGLDisplay *disp,
+ _EGLSurface *surf,
+ EGLint interval)
+{
+ if (interval > surf->Config->MaxSwapInterval)
+ interval = surf->Config->MaxSwapInterval;
+ else if (interval < surf->Config->MinSwapInterval)
+ interval = surf->Config->MinSwapInterval;
+
+ surf->SwapInterval = interval;
+
+ return EGL_TRUE;
+}
+
+static void
+dri2_wl_setup_swap_interval(struct dri2_egl_display *dri2_dpy)
+{
+ GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
+
+ /* We can't use values greater than 1 on Wayland because we are using the
+ * frame callback to synchronise the frame and the only way we be sure to
+ * get a frame callback is to attach a new buffer. Therefore we can't just
+ * sit drawing nothing to wait until the next ‘n’ frame callbacks */
+
+ if (dri2_dpy->config)
+ dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
+ "vblank_mode", &vblank_mode);
+ switch (vblank_mode) {
+ case DRI_CONF_VBLANK_NEVER:
+ dri2_dpy->min_swap_interval = 0;
+ dri2_dpy->max_swap_interval = 0;
+ dri2_dpy->default_swap_interval = 0;
+ break;
+ case DRI_CONF_VBLANK_ALWAYS_SYNC:
+ dri2_dpy->min_swap_interval = 1;
+ dri2_dpy->max_swap_interval = 1;
+ dri2_dpy->default_swap_interval = 1;
+ break;
+ case DRI_CONF_VBLANK_DEF_INTERVAL_0:
+ dri2_dpy->min_swap_interval = 0;
+ dri2_dpy->max_swap_interval = 1;
+ dri2_dpy->default_swap_interval = 0;
+ break;
+ default:
+ case DRI_CONF_VBLANK_DEF_INTERVAL_1:
+ dri2_dpy->min_swap_interval = 0;
+ dri2_dpy->max_swap_interval = 1;
+ dri2_dpy->default_swap_interval = 1;
+ break;
+ }
+}
+
+static struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
+ .authenticate = dri2_wl_authenticate,
+ .create_window_surface = dri2_wl_create_window_surface,
+ .create_pixmap_surface = dri2_wl_create_pixmap_surface,
+ .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
+ .destroy_surface = dri2_wl_destroy_surface,
+ .create_image = dri2_create_image_khr,
+ .swap_interval = dri2_wl_swap_interval,
+ .swap_buffers = dri2_wl_swap_buffers,
+ .swap_buffers_with_damage = dri2_wl_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_wl_query_buffer_age,
+ .create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image,
+ .get_sync_values = dri2_fallback_get_sync_values,
+ .get_dri_drawable = dri2_surface_get_dri_drawable,
+};
+
+static EGLBoolean
+dri2_initialize_wayland_drm(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
const __DRIconfig *config;
static const unsigned int argb_masks[4] =
{ 0xff0000, 0xff00, 0xff, 0xff000000 };
static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 };
+ static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 };
- drv->API.CreateWindowSurface = dri2_create_window_surface;
- drv->API.CreatePixmapSurface = dri2_create_pixmap_surface;
- drv->API.DestroySurface = dri2_destroy_surface;
- drv->API.SwapBuffers = dri2_swap_buffers;
- drv->API.CreateImageKHR = dri2_wayland_create_image_khr;
- drv->API.Terminate = dri2_terminate;
+ loader_set_logger(_eglLog);
dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
}
dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
+
+ if (dri2_dpy->own_device)
+ wl_display_dispatch_pending(dri2_dpy->wl_dpy);
+
dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy);
wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry,
dri2_dpy->wl_queue);
wl_registry_add_listener(dri2_dpy->wl_registry,
- ®istry_listener, dri2_dpy);
+ ®istry_listener_drm, dri2_dpy);
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL)
- goto cleanup_dpy;
+ goto cleanup_registry;
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1)
goto cleanup_drm;
if (roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated)
goto cleanup_fd;
- dri2_dpy->driver_name = dri2_get_driver_for_fd(dri2_dpy->fd);
+ dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd,
+ &dri2_dpy->is_different_gpu);
+ if (dri2_dpy->is_different_gpu) {
+ free(dri2_dpy->device_name);
+ dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
+ if (!dri2_dpy->device_name) {
+ _eglError(EGL_BAD_ALLOC, "wayland-egl: failed to get device name "
+ "for requested GPU");
+ goto cleanup_fd;
+ }
+ }
+
+ /* we have to do the check now, because loader_get_user_preferred_fd
+ * will return a render-node when the requested gpu is different
+ * to the server, but also if the client asks for the same gpu than
+ * the server by requesting its pci-id */
+ dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
+
+ dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
if (dri2_dpy->driver_name == NULL) {
_eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
goto cleanup_fd;
if (!dri2_load_driver(disp))
goto cleanup_driver_name;
- dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
- dri2_dpy->dri2_loader_extension.base.version = 3;
- dri2_dpy->dri2_loader_extension.getBuffers = dri2_get_buffers;
- dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_flush_front_buffer;
- dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
- dri2_get_buffers_with_format;
-
- dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
+ dri2_dpy->extensions[0] = &image_loader_extension.base;
dri2_dpy->extensions[1] = &image_lookup_extension.base;
dri2_dpy->extensions[2] = &use_invalidate.base;
- dri2_dpy->extensions[3] = NULL;
+
+ /* render nodes cannot use Gem names, and thus do not support
+ * the __DRI_DRI2_LOADER extension */
+ if (!dri2_dpy->is_render_node) {
+ dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
+ dri2_dpy->dri2_loader_extension.base.version = 3;
+ dri2_dpy->dri2_loader_extension.getBuffers = dri2_wl_get_buffers;
+ dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_wl_flush_front_buffer;
+ dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
+ dri2_wl_get_buffers_with_format;
+ dri2_dpy->extensions[3] = &dri2_dpy->dri2_loader_extension.base;
+ dri2_dpy->extensions[4] = NULL;
+ } else
+ dri2_dpy->extensions[3] = NULL;
if (!dri2_create_screen(disp))
goto cleanup_driver;
- types = EGL_WINDOW_BIT | EGL_PIXMAP_BIT;
+ dri2_wl_setup_swap_interval(dri2_dpy);
+
+ /* To use Prime, we must have _DRI_IMAGE v7 at least.
+ * createImageFromFds support indicates that Prime export/import
+ * is supported by the driver. Fall back to
+ * gem names if we don't have Prime support. */
+
+ if (dri2_dpy->image->base.version < 7 ||
+ dri2_dpy->image->createImageFromFds == NULL)
+ dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME;
+
+ /* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
+ * The server needs to accept them */
+ if (dri2_dpy->is_render_node &&
+ !(dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME)) {
+ _eglLog(_EGL_WARNING, "wayland-egl: display is not render-node capable");
+ goto cleanup_screen;
+ }
+
+ if (dri2_dpy->is_different_gpu &&
+ (dri2_dpy->image->base.version < 9 ||
+ dri2_dpy->image->blitImage == NULL)) {
+ _eglLog(_EGL_WARNING, "wayland-egl: Different GPU selected, but the "
+ "Image extension in the driver is not "
+ "compatible. Version 9 or later and blitImage() "
+ "are required");
+ goto cleanup_screen;
+ }
+
+ types = EGL_WINDOW_BIT;
for (i = 0; dri2_dpy->driver_configs[i]; i++) {
config = dri2_dpy->driver_configs[i];
if (dri2_dpy->formats & HAS_XRGB8888)
- dri2_add_config(disp, config, i + 1, 0, types, NULL, rgb_masks);
+ dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks);
if (dri2_dpy->formats & HAS_ARGB8888)
- dri2_add_config(disp, config, i + 1, 0, types, NULL, argb_masks);
+ dri2_add_config(disp, config, i + 1, types, NULL, argb_masks);
+ if (dri2_dpy->formats & HAS_RGB565)
+ dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks);
}
- disp->Extensions.KHR_image_pixmap = EGL_TRUE;
-
disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
- dri2_dpy->authenticate = dri2_wayland_authenticate;
+ /* When cannot convert EGLImage to wl_buffer when on a different gpu,
+ * because the buffer of the EGLImage has likely a tiling mode the server
+ * gpu won't support. These is no way to check for now. Thus do not support the
+ * extension */
+ if (!dri2_dpy->is_different_gpu) {
+ disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE;
+ } else {
+ dri2_wl_display_vtbl.create_wayland_buffer_from_image =
+ dri2_fallback_create_wayland_buffer_from_image;
+ }
+ disp->Extensions.EXT_buffer_age = EGL_TRUE;
+
+ disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE;
- /* we're supporting EGL 1.4 */
- disp->VersionMajor = 1;
- disp->VersionMinor = 4;
+ /* Fill vtbl last to prevent accidentally calling virtual function during
+ * initialization.
+ */
+ dri2_dpy->vtbl = &dri2_wl_display_vtbl;
return EGL_TRUE;
+ cleanup_screen:
+ dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
cleanup_driver:
dlclose(dri2_dpy->driver);
cleanup_driver_name:
cleanup_drm:
free(dri2_dpy->device_name);
wl_drm_destroy(dri2_dpy->wl_drm);
+ cleanup_registry:
+ wl_registry_destroy(dri2_dpy->wl_registry);
+ wl_event_queue_destroy(dri2_dpy->wl_queue);
cleanup_dpy:
free(dri2_dpy);
-
+ disp->DriverData = NULL;
+
return EGL_FALSE;
}
+
+static int
+dri2_wl_swrast_get_stride_for_format(int format, int w)
+{
+ if (format == WL_SHM_FORMAT_RGB565)
+ return 2 * w;
+ else /* ARGB8888 || XRGB8888 */
+ return 4 * w;
+}
+
+/*
+ * Taken from weston shared/os-compatibility.c
+ */
+
+#ifndef HAVE_MKOSTEMP
+
+static int
+set_cloexec_or_close(int fd)
+{
+ long flags;
+
+ if (fd == -1)
+ return -1;
+
+ flags = fcntl(fd, F_GETFD);
+ if (flags == -1)
+ goto err;
+
+ if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1)
+ goto err;
+
+ return fd;
+
+err:
+ close(fd);
+ return -1;
+}
+
+#endif
+
+/*
+ * Taken from weston shared/os-compatibility.c
+ */
+
+static int
+create_tmpfile_cloexec(char *tmpname)
+{
+ int fd;
+
+#ifdef HAVE_MKOSTEMP
+ fd = mkostemp(tmpname, O_CLOEXEC);
+ if (fd >= 0)
+ unlink(tmpname);
+#else
+ fd = mkstemp(tmpname);
+ if (fd >= 0) {
+ fd = set_cloexec_or_close(fd);
+ unlink(tmpname);
+ }
+#endif
+
+ return fd;
+}
+
+/*
+ * Taken from weston shared/os-compatibility.c
+ *
+ * Create a new, unique, anonymous file of the given size, and
+ * return the file descriptor for it. The file descriptor is set
+ * CLOEXEC. The file is immediately suitable for mmap()'ing
+ * the given size at offset zero.
+ *
+ * The file should not have a permanent backing store like a disk,
+ * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
+ *
+ * The file name is deleted from the file system.
+ *
+ * The file is suitable for buffer sharing between processes by
+ * transmitting the file descriptor over Unix sockets using the
+ * SCM_RIGHTS methods.
+ *
+ * If the C library implements posix_fallocate(), it is used to
+ * guarantee that disk space is available for the file at the
+ * given size. If disk space is insufficent, errno is set to ENOSPC.
+ * If posix_fallocate() is not supported, program may receive
+ * SIGBUS on accessing mmap()'ed file contents instead.
+ */
+static int
+os_create_anonymous_file(off_t size)
+{
+ static const char template[] = "/mesa-shared-XXXXXX";
+ const char *path;
+ char *name;
+ int fd;
+ int ret;
+
+ path = getenv("XDG_RUNTIME_DIR");
+ if (!path) {
+ errno = ENOENT;
+ return -1;
+ }
+
+ name = malloc(strlen(path) + sizeof(template));
+ if (!name)
+ return -1;
+
+ strcpy(name, path);
+ strcat(name, template);
+
+ fd = create_tmpfile_cloexec(name);
+
+ free(name);
+
+ if (fd < 0)
+ return -1;
+
+ ret = ftruncate(fd, size);
+ if (ret < 0) {
+ close(fd);
+ return -1;
+ }
+
+ return fd;
+}
+
+
+static EGLBoolean
+dri2_wl_swrast_allocate_buffer(struct dri2_egl_display *dri2_dpy,
+ int format, int w, int h,
+ void **data, int *size,
+ struct wl_buffer **buffer)
+{
+ struct wl_shm_pool *pool;
+ int fd, stride, size_map;
+ void *data_map;
+
+ stride = dri2_wl_swrast_get_stride_for_format(format, w);
+ size_map = h * stride;
+
+ /* Create a sharable buffer */
+ fd = os_create_anonymous_file(size_map);
+ if (fd < 0)
+ return EGL_FALSE;
+
+ data_map = mmap(NULL, size_map, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (data_map == MAP_FAILED) {
+ close(fd);
+ return EGL_FALSE;
+ }
+
+ /* Share it in a wl_buffer */
+ pool = wl_shm_create_pool(dri2_dpy->wl_shm, fd, size_map);
+ *buffer = wl_shm_pool_create_buffer(pool, 0, w, h, stride, format);
+ wl_shm_pool_destroy(pool);
+ close(fd);
+
+ *data = data_map;
+ *size = size_map;
+ return EGL_TRUE;
+}
+
+static int
+swrast_update_buffers(struct dri2_egl_surface *dri2_surf)
+{
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+ int i;
+
+ /* we need to do the following operations only once per frame */
+ if (dri2_surf->back)
+ return 0;
+
+ if (dri2_surf->base.Width != dri2_surf->wl_win->width ||
+ dri2_surf->base.Height != dri2_surf->wl_win->height) {
+
+ dri2_wl_release_buffers(dri2_surf);
+
+ dri2_surf->base.Width = dri2_surf->wl_win->width;
+ dri2_surf->base.Height = dri2_surf->wl_win->height;
+ dri2_surf->dx = dri2_surf->wl_win->dx;
+ dri2_surf->dy = dri2_surf->wl_win->dy;
+ dri2_surf->current = NULL;
+ }
+
+ /* find back buffer */
+
+ /* We always want to throttle to some event (either a frame callback or
+ * a sync request) after the commit so that we can be sure the
+ * compositor has had a chance to handle it and send us a release event
+ * before we look for a free buffer */
+ while (dri2_surf->throttle_callback != NULL)
+ if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
+ dri2_dpy->wl_queue) == -1)
+ return -1;
+
+ /* try get free buffer already created */
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (!dri2_surf->color_buffers[i].locked &&
+ dri2_surf->color_buffers[i].wl_buffer) {
+ dri2_surf->back = &dri2_surf->color_buffers[i];
+ break;
+ }
+ }
+
+ /* else choose any another free location */
+ if (!dri2_surf->back) {
+ 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];
+ if (!dri2_wl_swrast_allocate_buffer(dri2_dpy,
+ dri2_surf->format,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ &dri2_surf->back->data,
+ &dri2_surf->back->data_size,
+ &dri2_surf->back->wl_buffer)) {
+ _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
+ return -1;
+ }
+ wl_proxy_set_queue((struct wl_proxy *) dri2_surf->back->wl_buffer,
+ dri2_dpy->wl_queue);
+ wl_buffer_add_listener(dri2_surf->back->wl_buffer,
+ &wl_buffer_listener, dri2_surf);
+ break;
+ }
+ }
+ }
+
+ if (!dri2_surf->back) {
+ _eglError(EGL_BAD_ALLOC, "failed to find free buffer");
+ return -1;
+ }
+
+ dri2_surf->back->locked = 1;
+
+ /* If we have an extra unlocked buffer at this point, we had to do triple
+ * buffering for a while, but now can go back to just double buffering.
+ * That means we can free any unlocked buffer now. */
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (!dri2_surf->color_buffers[i].locked &&
+ dri2_surf->color_buffers[i].wl_buffer) {
+ wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
+ munmap(dri2_surf->color_buffers[i].data,
+ dri2_surf->color_buffers[i].data_size);
+ dri2_surf->color_buffers[i].wl_buffer = NULL;
+ dri2_surf->color_buffers[i].data = NULL;
+ }
+ }
+
+ return 0;
+}
+
+static void*
+dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface *dri2_surf)
+{
+ /* if there has been a resize: */
+ if (!dri2_surf->current)
+ return NULL;
+
+ return dri2_surf->current->data;
+}
+
+static void*
+dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface *dri2_surf)
+{
+ assert(dri2_surf->back);
+ return dri2_surf->back->data;
+}
+
+static void
+dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface *dri2_surf)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display);
+
+ if (dri2_surf->base.SwapInterval > 0) {
+ dri2_surf->throttle_callback =
+ wl_surface_frame(dri2_surf->wl_win->surface);
+ wl_callback_add_listener(dri2_surf->throttle_callback,
+ &throttle_listener, dri2_surf);
+ wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
+ dri2_dpy->wl_queue);
+ }
+
+ dri2_surf->current = dri2_surf->back;
+ dri2_surf->back = NULL;
+
+ wl_surface_attach(dri2_surf->wl_win->surface,
+ dri2_surf->current->wl_buffer,
+ dri2_surf->dx, dri2_surf->dy);
+
+ dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
+ dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
+ /* reset resize growing parameters */
+ dri2_surf->dx = 0;
+ dri2_surf->dy = 0;
+
+ wl_surface_damage(dri2_surf->wl_win->surface,
+ 0, 0, INT32_MAX, INT32_MAX);
+ wl_surface_commit(dri2_surf->wl_win->surface);
+
+ /* If we're not waiting for a frame callback then we'll at least throttle
+ * to a sync callback so that we always give a chance for the compositor to
+ * handle the commit and send a release event before checking for a free
+ * buffer */
+ if (dri2_surf->throttle_callback == NULL) {
+ dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy);
+ wl_callback_add_listener(dri2_surf->throttle_callback,
+ &throttle_listener, dri2_surf);
+ wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
+ dri2_dpy->wl_queue);
+ }
+
+ wl_display_flush(dri2_dpy->wl_dpy);
+}
+
+static void
+dri2_wl_swrast_get_drawable_info(__DRIdrawable * draw,
+ int *x, int *y, int *w, int *h,
+ void *loaderPrivate)
+{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
+
+ (void) swrast_update_buffers(dri2_surf);
+ *x = 0;
+ *y = 0;
+ *w = dri2_surf->base.Width;
+ *h = dri2_surf->base.Height;
+}
+
+static void
+dri2_wl_swrast_get_image(__DRIdrawable * read,
+ int x, int y, int w, int h,
+ char *data, void *loaderPrivate)
+{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
+ int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
+ int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
+ int src_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
+ int dst_stride = copy_width;
+ char *src, *dst;
+
+ src = dri2_wl_swrast_get_frontbuffer_data(dri2_surf);
+ if (!src) {
+ memset(data, 0, copy_width * h);
+ return;
+ }
+
+ assert(data != src);
+ assert(copy_width <= src_stride);
+
+ src += x_offset;
+ src += y * src_stride;
+ dst = data;
+
+ if (copy_width > src_stride-x_offset)
+ copy_width = src_stride-x_offset;
+ if (h > dri2_surf->base.Height-y)
+ h = dri2_surf->base.Height-y;
+
+ for (; h>0; h--) {
+ memcpy(dst, src, copy_width);
+ src += src_stride;
+ dst += dst_stride;
+ }
+}
+
+static void
+dri2_wl_swrast_put_image2(__DRIdrawable * draw, int op,
+ int x, int y, int w, int h, int stride,
+ char *data, void *loaderPrivate)
+{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
+ int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
+ int dst_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
+ int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
+ char *src, *dst;
+
+ assert(copy_width <= stride);
+
+ (void) swrast_update_buffers(dri2_surf);
+ dst = dri2_wl_swrast_get_backbuffer_data(dri2_surf);
+
+ /* partial copy, copy old content */
+ if (copy_width < dst_stride)
+ dri2_wl_swrast_get_image(draw, 0, 0,
+ dri2_surf->base.Width, dri2_surf->base.Height,
+ dst, loaderPrivate);
+
+ dst += x_offset;
+ dst += y * dst_stride;
+
+ src = data;
+
+ /* drivers expect we do these checks (and some rely on it) */
+ if (copy_width > dst_stride-x_offset)
+ copy_width = dst_stride-x_offset;
+ if (h > dri2_surf->base.Height-y)
+ h = dri2_surf->base.Height-y;
+
+ for (; h>0; h--) {
+ memcpy(dst, src, copy_width);
+ src += stride;
+ dst += dst_stride;
+ }
+ dri2_wl_swrast_commit_backbuffer(dri2_surf);
+}
+
+static void
+dri2_wl_swrast_put_image(__DRIdrawable * draw, int op,
+ int x, int y, int w, int h,
+ char *data, void *loaderPrivate)
+{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
+ int stride;
+
+ stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
+ dri2_wl_swrast_put_image2(draw, op, x, y, w, h,
+ stride, data, loaderPrivate);
+}
+
+/**
+ * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
+ */
+static _EGLSurface *
+dri2_wl_swrast_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
+ _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 wl_egl_window *window = native_window;
+ struct dri2_egl_surface *dri2_surf;
+ const __DRIconfig *config;
+
+ (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, EGL_WINDOW_BIT, conf, attrib_list))
+ goto cleanup_surf;
+
+ if (conf->RedSize == 5)
+ dri2_surf->format = WL_SHM_FORMAT_RGB565;
+ else if (conf->AlphaSize == 0)
+ dri2_surf->format = WL_SHM_FORMAT_XRGB8888;
+ else
+ dri2_surf->format = WL_SHM_FORMAT_ARGB8888;
+
+ dri2_surf->wl_win = window;
+
+ dri2_surf->base.Width = -1;
+ dri2_surf->base.Height = -1;
+
+ config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
+ dri2_surf->base.GLColorspace);
+
+ dri2_surf->dri_drawable =
+ (*dri2_dpy->swrast->createNewDrawable)(dri2_dpy->dri_screen,
+ config, dri2_surf);
+ if (dri2_surf->dri_drawable == NULL) {
+ _eglError(EGL_BAD_ALLOC, "swrast->createNewDrawable");
+ goto cleanup_dri_drawable;
+ }
+
+ dri2_wl_swap_interval(drv, disp, &dri2_surf->base,
+ dri2_dpy->default_swap_interval);
+
+ return &dri2_surf->base;
+
+ cleanup_dri_drawable:
+ dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
+ cleanup_surf:
+ free(dri2_surf);
+
+ return NULL;
+}
+
+static EGLBoolean
+dri2_wl_swrast_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);
+
+ dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable);
+ return EGL_TRUE;
+}
+
+static void
+shm_handle_format(void *data, struct wl_shm *shm, uint32_t format)
+{
+ struct dri2_egl_display *dri2_dpy = data;
+
+ switch (format) {
+ case WL_SHM_FORMAT_ARGB8888:
+ dri2_dpy->formats |= HAS_ARGB8888;
+ break;
+ case WL_SHM_FORMAT_XRGB8888:
+ dri2_dpy->formats |= HAS_XRGB8888;
+ break;
+ case WL_SHM_FORMAT_RGB565:
+ dri2_dpy->formats |= HAS_RGB565;
+ break;
+ }
+}
+
+static const struct wl_shm_listener shm_listener = {
+ .format = shm_handle_format
+};
+
+static void
+registry_handle_global_swrast(void *data, struct wl_registry *registry, uint32_t name,
+ const char *interface, uint32_t version)
+{
+ struct dri2_egl_display *dri2_dpy = data;
+
+ if (strcmp(interface, "wl_shm") == 0) {
+ dri2_dpy->wl_shm =
+ wl_registry_bind(registry, name, &wl_shm_interface, 1);
+ wl_shm_add_listener(dri2_dpy->wl_shm, &shm_listener, dri2_dpy);
+ }
+}
+
+static const struct wl_registry_listener registry_listener_swrast = {
+ .global = registry_handle_global_swrast,
+ .global_remove = registry_handle_global_remove
+};
+
+static struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = {
+ .authenticate = NULL,
+ .create_window_surface = dri2_wl_swrast_create_window_surface,
+ .create_pixmap_surface = dri2_wl_create_pixmap_surface,
+ .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
+ .destroy_surface = dri2_wl_destroy_surface,
+ .create_image = dri2_fallback_create_image_khr,
+ .swap_interval = dri2_wl_swap_interval,
+ .swap_buffers = dri2_wl_swrast_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_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 EGLBoolean
+dri2_initialize_wayland_swrast(_EGLDriver *drv, _EGLDisplay *disp)
+{
+ struct dri2_egl_display *dri2_dpy;
+ const __DRIconfig *config;
+ uint32_t types;
+ int i;
+ static const unsigned int argb_masks[4] =
+ { 0xff0000, 0xff00, 0xff, 0xff000000 };
+ static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 };
+ static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 };
+
+ loader_set_logger(_eglLog);
+
+ dri2_dpy = calloc(1, sizeof *dri2_dpy);
+ if (!dri2_dpy)
+ return _eglError(EGL_BAD_ALLOC, "eglInitialize");
+
+ disp->DriverData = (void *) dri2_dpy;
+ if (disp->PlatformDisplay == NULL) {
+ dri2_dpy->wl_dpy = wl_display_connect(NULL);
+ if (dri2_dpy->wl_dpy == NULL)
+ goto cleanup_dpy;
+ dri2_dpy->own_device = 1;
+ } else {
+ dri2_dpy->wl_dpy = disp->PlatformDisplay;
+ }
+
+ dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
+
+ if (dri2_dpy->own_device)
+ wl_display_dispatch_pending(dri2_dpy->wl_dpy);
+
+ dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy);
+ wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry,
+ dri2_dpy->wl_queue);
+ wl_registry_add_listener(dri2_dpy->wl_registry,
+ ®istry_listener_swrast, dri2_dpy);
+
+ if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_shm == NULL)
+ goto cleanup_registry;
+
+ if (roundtrip(dri2_dpy) < 0 || dri2_dpy->formats == 0)
+ goto cleanup_shm;
+
+ dri2_dpy->fd = -1;
+ dri2_dpy->driver_name = strdup("swrast");
+ if (!dri2_load_driver_swrast(disp))
+ goto cleanup_shm;
+
+ dri2_dpy->swrast_loader_extension.base.name = __DRI_SWRAST_LOADER;
+ dri2_dpy->swrast_loader_extension.base.version = 2;
+ dri2_dpy->swrast_loader_extension.getDrawableInfo = dri2_wl_swrast_get_drawable_info;
+ dri2_dpy->swrast_loader_extension.putImage = dri2_wl_swrast_put_image;
+ dri2_dpy->swrast_loader_extension.getImage = dri2_wl_swrast_get_image;
+ dri2_dpy->swrast_loader_extension.putImage2 = dri2_wl_swrast_put_image2;
+
+ dri2_dpy->extensions[0] = &dri2_dpy->swrast_loader_extension.base;
+ dri2_dpy->extensions[1] = NULL;
+
+ if (!dri2_create_screen(disp))
+ goto cleanup_driver;
+
+ dri2_wl_setup_swap_interval(dri2_dpy);
+
+ types = EGL_WINDOW_BIT;
+ for (i = 0; dri2_dpy->driver_configs[i]; i++) {
+ config = dri2_dpy->driver_configs[i];
+ if (dri2_dpy->formats & HAS_XRGB8888)
+ dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks);
+ if (dri2_dpy->formats & HAS_ARGB8888)
+ dri2_add_config(disp, config, i + 1, types, NULL, argb_masks);
+ if (dri2_dpy->formats & HAS_RGB565)
+ dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks);
+ }
+
+ /* Fill vtbl last to prevent accidentally calling virtual function during
+ * initialization.
+ */
+ dri2_dpy->vtbl = &dri2_wl_swrast_display_vtbl;
+
+ return EGL_TRUE;
+
+ cleanup_driver:
+ dlclose(dri2_dpy->driver);
+ cleanup_shm:
+ wl_shm_destroy(dri2_dpy->wl_shm);
+ cleanup_registry:
+ wl_registry_destroy(dri2_dpy->wl_registry);
+ wl_event_queue_destroy(dri2_dpy->wl_queue);
+ cleanup_dpy:
+ free(dri2_dpy);
+ disp->DriverData = NULL;
+
+ return EGL_FALSE;
+}
+
+EGLBoolean
+dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
+{
+ EGLBoolean initialized = EGL_TRUE;
+
+ int hw_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL);
+
+ if (hw_accel) {
+ if (!dri2_initialize_wayland_drm(drv, disp)) {
+ initialized = dri2_initialize_wayland_swrast(drv, disp);
+ }
+ } else {
+ initialized = dri2_initialize_wayland_swrast(drv, disp);
+ }
+
+ return initialized;
+
+}