--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.11
+ *
+ * Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "state_tracker/drm_driver.h"
+
+#include "egllog.h"
+
+#include "native_wayland.h"
+
+/* see get_drm_screen_name */
+#include <radeon_drm.h>
+#include "radeon/drm/radeon_drm_public.h"
+
+#include <wayland-client.h>
+#include "wayland-egl-priv.h"
+
+#include <xf86drm.h>
+
+static struct native_event_handler *wayland_event_handler;
+
+static void
+sync_callback(void *data)
+{
+ int *done = data;
+
+ *done = 1;
+}
+
+static void
+force_roundtrip(struct wl_display *display)
+{
+ int done = 0;
+
+ wl_display_sync_callback(display, sync_callback, &done);
+ wl_display_iterate(display, WL_DISPLAY_WRITABLE);
+ while (!done)
+ wl_display_iterate(display, WL_DISPLAY_READABLE);
+}
+
+static const struct native_config **
+wayland_display_get_configs (struct native_display *ndpy, int *num_configs)
+{
+ struct wayland_display *display = wayland_display(ndpy);
+ const struct native_config **configs;
+
+ if (!display->config) {
+ struct native_config *nconf;
+ enum pipe_format format;
+ display->config = CALLOC(1, sizeof(*display->config));
+ if (!display->config)
+ return NULL;
+ nconf = &display->config->base;
+
+ nconf->buffer_mask =
+ (1 << NATIVE_ATTACHMENT_FRONT_LEFT) |
+ (1 << NATIVE_ATTACHMENT_BACK_LEFT);
+
+ format = PIPE_FORMAT_B8G8R8X8_UNORM;
+
+ nconf->color_format = format;
+ nconf->window_bit = TRUE;
+ nconf->pixmap_bit = TRUE;
+ }
+
+ configs = MALLOC(sizeof(*configs));
+ if (configs) {
+ configs[0] = &display->config->base;
+ if (num_configs)
+ *num_configs = 1;
+ }
+
+ return configs;
+}
+
+static int
+wayland_display_get_param(struct native_display *ndpy,
+ enum native_param_type param)
+{
+ int val;
+
+ switch (param) {
+ case NATIVE_PARAM_USE_NATIVE_BUFFER:
+ case NATIVE_PARAM_PRESERVE_BUFFER:
+ case NATIVE_PARAM_MAX_SWAP_INTERVAL:
+ default:
+ val = 0;
+ break;
+ }
+
+ return val;
+}
+
+static boolean
+wayland_display_is_pixmap_supported(struct native_display *ndpy,
+ EGLNativePixmapType pix,
+ const struct native_config *nconf)
+{
+ /* all wl_egl_pixmaps are supported */
+
+ return TRUE;
+}
+
+static void
+wayland_display_destroy(struct native_display *ndpy)
+{
+ struct wayland_display *display = wayland_display(ndpy);
+
+ if (display->config)
+ FREE(display->config);
+
+ if (display->base.screen)
+ display->base.screen->destroy(display->base.screen);
+
+ FREE(display);
+}
+
+
+static struct wl_buffer *
+wayland_create_buffer(struct wayland_surface *surface,
+ enum native_attachment attachment)
+{
+ struct wayland_display *display = surface->display;
+ struct pipe_resource *resource;
+ struct winsys_handle wsh;
+ uint width, height;
+
+ resource = resource_surface_get_single_resource(surface->rsurf, attachment);
+ resource_surface_get_size(surface->rsurf, &width, &height);
+
+ wsh.type = DRM_API_HANDLE_TYPE_SHARED;
+ display->base.screen->resource_get_handle(display->base.screen, resource, &wsh);
+
+ pipe_resource_reference(&resource, NULL);
+
+ return wl_drm_create_buffer(display->dpy->drm, wsh.handle,
+ width, height,
+ wsh.stride, surface->win->visual);
+}
+
+static void
+wayland_pixmap_destroy(struct wl_egl_pixmap *egl_pixmap)
+{
+ struct pipe_resource *resource = egl_pixmap->driver_private;
+
+ assert(resource);
+
+ pipe_resource_reference(&resource, NULL);
+
+ egl_pixmap->driver_private = NULL;
+ egl_pixmap->destroy = NULL;
+ egl_pixmap->name = 0;
+}
+
+static void
+wayland_pixmap_surface_intialize(struct wayland_surface *surface)
+{
+ struct native_display *ndpy = &surface->display->base;
+ struct pipe_resource *resource;
+ struct winsys_handle wsh;
+ const enum native_attachment front_natt = NATIVE_ATTACHMENT_FRONT_LEFT;
+
+ if (surface->pix->name > 0)
+ return;
+
+ resource = resource_surface_get_single_resource(surface->rsurf, front_natt);
+
+ wsh.type = DRM_API_HANDLE_TYPE_SHARED;
+ ndpy->screen->resource_get_handle(ndpy->screen, resource, &wsh);
+
+ surface->pix->name = wsh.handle;
+ surface->pix->stride = wsh.stride;
+ surface->pix->destroy = wayland_pixmap_destroy;
+ surface->pix->driver_private = resource;
+}
+
+static void
+wayland_window_surface_handle_resize(struct wayland_surface *surface)
+{
+ int i;
+
+ if (resource_surface_set_size(surface->rsurf,
+ surface->win->width, surface->win->height)) {
+ for (i = 0; i < WL_BUFFER_COUNT; ++i) {
+ if (surface->buffer[i])
+ wl_buffer_destroy(surface->buffer[i]);
+ surface->buffer[i] = NULL;
+ }
+ }
+
+ surface->dx = surface->win->dx;
+ surface->dy = surface->win->dy;
+ surface->win->dx = 0;
+ surface->win->dy = 0;
+}
+
+static boolean
+wayland_surface_validate(struct native_surface *nsurf, uint attachment_mask,
+ unsigned int *seq_num, struct pipe_resource **textures,
+ int *width, int *height)
+{
+ struct wayland_surface *surface = wayland_surface(nsurf);
+
+ if (surface->type == WL_WINDOW_SURFACE)
+ wayland_window_surface_handle_resize(surface);
+
+ if (!resource_surface_add_resources(surface->rsurf, attachment_mask |
+ surface->attachment_mask))
+ return FALSE;
+
+ if (textures)
+ resource_surface_get_resources(surface->rsurf, textures, attachment_mask);
+
+ if (seq_num)
+ *seq_num = surface->sequence_number;
+
+ resource_surface_get_size(surface->rsurf, (uint *) width, (uint *) height);
+
+ if (surface->type == WL_PIXMAP_SURFACE)
+ wayland_pixmap_surface_intialize(surface);
+
+ return TRUE;
+}
+
+static void
+wayland_frame_callback(void *data, uint32_t time)
+{
+ struct wayland_surface *surface = data;
+
+ surface->block_swap_buffers = FALSE;
+}
+
+static INLINE void
+wayland_buffers_swap(struct wl_buffer **buffer,
+ enum wayland_buffer_type buf1,
+ enum wayland_buffer_type buf2)
+{
+ struct wl_buffer *tmp = buffer[buf1];
+ buffer[buf1] = buffer[buf2];
+ buffer[buf2] = tmp;
+}
+
+static boolean
+wayland_surface_swap_buffers(struct native_surface *nsurf)
+{
+ struct wayland_surface *surface = wayland_surface(nsurf);
+ struct wayland_display *display = surface->display;
+
+ while (surface->block_swap_buffers)
+ wl_display_iterate(display->dpy->display, WL_DISPLAY_READABLE);
+
+ surface->block_swap_buffers = TRUE;
+ wl_display_frame_callback(display->dpy->display, wayland_frame_callback,
+ surface);
+
+ if (surface->type == WL_WINDOW_SURFACE) {
+ resource_surface_swap_buffers(surface->rsurf,
+ NATIVE_ATTACHMENT_FRONT_LEFT, NATIVE_ATTACHMENT_BACK_LEFT, FALSE);
+
+ wayland_buffers_swap(surface->buffer, WL_BUFFER_FRONT, WL_BUFFER_BACK);
+
+ if (surface->buffer[WL_BUFFER_FRONT] == NULL)
+ surface->buffer[WL_BUFFER_FRONT] =
+ wayland_create_buffer(surface, NATIVE_ATTACHMENT_FRONT_LEFT);
+
+ wl_surface_attach(surface->win->surface, surface->buffer[WL_BUFFER_FRONT],
+ surface->dx, surface->dy);
+
+ resource_surface_get_size(surface->rsurf,
+ (uint *) &surface->win->attached_width,
+ (uint *) &surface->win->attached_height);
+ surface->dx = 0;
+ surface->dy = 0;
+ }
+
+ surface->sequence_number++;
+ wayland_event_handler->invalid_surface(&display->base,
+ &surface->base, surface->sequence_number);
+
+ return TRUE;
+}
+
+static boolean
+wayland_surface_present(struct native_surface *nsurf,
+ enum native_attachment natt,
+ boolean preserve,
+ uint swap_interval)
+{
+ struct wayland_surface *surface = wayland_surface(nsurf);
+ uint width, height;
+ boolean ret;
+
+ if (preserve || swap_interval)
+ return FALSE;
+
+ switch (natt) {
+ case NATIVE_ATTACHMENT_FRONT_LEFT:
+ ret = TRUE;
+ break;
+ case NATIVE_ATTACHMENT_BACK_LEFT:
+ ret = wayland_surface_swap_buffers(nsurf);
+ break;
+ default:
+ ret = FALSE;
+ break;
+ }
+
+ if (surface->type == WL_WINDOW_SURFACE) {
+ resource_surface_get_size(surface->rsurf, &width, &height);
+ wl_surface_damage(surface->win->surface, 0, 0, width, height);
+ }
+
+ return ret;
+}
+
+static void
+wayland_surface_wait(struct native_surface *nsurf)
+{
+ /* no-op */
+}
+
+static void
+wayland_surface_destroy(struct native_surface *nsurf)
+{
+ struct wayland_surface *surface = wayland_surface(nsurf);
+ enum wayland_buffer_type buffer;
+
+ for (buffer = 0; buffer < WL_BUFFER_COUNT; ++buffer) {
+ if (surface->buffer[buffer])
+ wl_buffer_destroy(surface->buffer[buffer]);
+ }
+
+ resource_surface_destroy(surface->rsurf);
+ FREE(surface);
+}
+
+static struct native_surface *
+wayland_create_pixmap_surface(struct native_display *ndpy,
+ EGLNativePixmapType pix,
+ const struct native_config *nconf)
+{
+ struct wayland_display *display = wayland_display(ndpy);
+ struct wayland_config *config = wayland_config(nconf);
+ struct wayland_surface *surface;
+ struct wl_egl_pixmap *egl_pixmap = (struct wl_egl_pixmap *) pix;
+ enum native_attachment natt = NATIVE_ATTACHMENT_FRONT_LEFT;
+
+ surface = CALLOC_STRUCT(wayland_surface);
+ if (!surface)
+ return NULL;
+
+ surface->display = display;
+ if (config)
+ surface->color_format = config->base.color_format;
+ else
+ surface->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
+
+ surface->type = WL_PIXMAP_SURFACE;
+ surface->pix = egl_pixmap;
+
+ surface->attachment_mask = (1 << NATIVE_ATTACHMENT_FRONT_LEFT);
+
+ surface->rsurf = resource_surface_create(display->base.screen,
+ surface->color_format,
+ PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW |
+ PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT);
+
+ if (!surface->rsurf) {
+ FREE(surface);
+ return NULL;
+ }
+
+ resource_surface_set_size(surface->rsurf,
+ egl_pixmap->width, egl_pixmap->height);
+
+ /* the pixmap is already allocated, so import it */
+ if (surface->pix->name > 0)
+ resource_surface_import_resource(surface->rsurf, natt,
+ surface->pix->driver_private);
+
+ surface->base.destroy = wayland_surface_destroy;
+ surface->base.present = wayland_surface_present;
+ surface->base.validate = wayland_surface_validate;
+ surface->base.wait = wayland_surface_wait;
+
+ return &surface->base;
+}
+
+static struct native_surface *
+wayland_create_window_surface(struct native_display *ndpy,
+ EGLNativeWindowType win,
+ const struct native_config *nconf)
+{
+ struct wayland_display *display = wayland_display(ndpy);
+ struct wayland_config *config = wayland_config(nconf);
+ struct wayland_surface *surface;
+
+ surface = CALLOC_STRUCT(wayland_surface);
+ if (!surface)
+ return NULL;
+
+ surface->display = display;
+ surface->color_format = config->base.color_format;
+
+ surface->win = (struct wl_egl_window *) win;
+
+ surface->block_swap_buffers = FALSE;
+ surface->type = WL_WINDOW_SURFACE;
+
+ surface->buffer[WL_BUFFER_FRONT] = NULL;
+ surface->buffer[WL_BUFFER_BACK] = NULL;
+ surface->attachment_mask = (1 << NATIVE_ATTACHMENT_FRONT_LEFT) |
+ (1 << NATIVE_ATTACHMENT_BACK_LEFT);
+
+ surface->rsurf = resource_surface_create(display->base.screen,
+ surface->color_format,
+ PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW |
+ PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT);
+
+ if (!surface->rsurf) {
+ FREE(surface);
+ return NULL;
+ }
+
+ surface->base.destroy = wayland_surface_destroy;
+ surface->base.present = wayland_surface_present;
+ surface->base.validate = wayland_surface_validate;
+ surface->base.wait = wayland_surface_wait;
+
+ return &surface->base;
+}
+
+static const char *
+get_drm_screen_name(int fd, drmVersionPtr version)
+{
+ const char *name = version->name;
+
+ if (name && !strcmp(name, "radeon")) {
+ int chip_id;
+ struct drm_radeon_info info;
+
+ memset(&info, 0, sizeof(info));
+ info.request = RADEON_INFO_DEVICE_ID;
+ info.value = pointer_to_intptr(&chip_id);
+ if (drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)) != 0)
+ return NULL;
+
+ name = is_r3xx(chip_id) ? "r300" : "r600";
+ }
+
+ return name;
+}
+
+static boolean
+wayland_display_init_screen(struct native_display *ndpy)
+{
+ struct wayland_display *display = wayland_display(ndpy);
+ drmVersionPtr version;
+ const char *driver_name;
+
+ if (display->dpy->fd == -1)
+ force_roundtrip(display->dpy->display);
+ if (display->dpy->fd == -1)
+ return FALSE;
+
+ if (!display->dpy->authenticated)
+ force_roundtrip(display->dpy->display);
+ if (!display->dpy->authenticated)
+ return FALSE;
+
+ version = drmGetVersion(display->dpy->fd);
+ if (!version) {
+ _eglLog(_EGL_WARNING, "invalid fd %d", display->dpy->fd);
+ return FALSE;
+ }
+
+ /* FIXME: share this with native_drm or egl_dri2 */
+ driver_name = get_drm_screen_name(display->dpy->fd, version);
+
+ display->base.screen =
+ wayland_event_handler->new_drm_screen(&display->base,
+ driver_name, display->dpy->fd);
+ drmFreeVersion(version);
+
+ if (!display->base.screen) {
+ _eglLog(_EGL_WARNING, "failed to create DRM screen");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+static void
+wayland_set_event_handler(struct native_event_handler *event_handler)
+{
+ wayland_event_handler = event_handler;
+}
+
+static struct pipe_resource *
+wayland_display_import_buffer(struct native_display *ndpy,
+ const struct pipe_resource *templ,
+ void *buf)
+{
+ return ndpy->screen->resource_from_handle(ndpy->screen,
+ templ, (struct winsys_handle *) buf);
+}
+
+static boolean
+wayland_display_export_buffer(struct native_display *ndpy,
+ struct pipe_resource *res,
+ void *buf)
+{
+ return ndpy->screen->resource_get_handle(ndpy->screen,
+ res, (struct winsys_handle *) buf);
+}
+
+static struct native_display_buffer wayland_display_buffer = {
+ wayland_display_import_buffer,
+ wayland_display_export_buffer
+};
+
+static struct native_display *
+wayland_display_create(void *dpy, boolean use_sw, void *user_data)
+{
+ struct wayland_display *display;
+
+ display = CALLOC_STRUCT(wayland_display);
+ if (!display)
+ return NULL;
+
+ display->base.user_data = user_data;
+
+ display->dpy = dpy;
+ if (!display->dpy->display) {
+ wayland_display_destroy(&display->base);
+ return NULL;
+ }
+
+ if (!wayland_display_init_screen(&display->base)) {
+ wayland_display_destroy(&display->base);
+ return NULL;
+ }
+
+ display->base.destroy = wayland_display_destroy;
+ display->base.get_param = wayland_display_get_param;
+ display->base.get_configs = wayland_display_get_configs;
+ display->base.is_pixmap_supported = wayland_display_is_pixmap_supported;
+ display->base.create_window_surface = wayland_create_window_surface;
+ display->base.create_pixmap_surface = wayland_create_pixmap_surface;
+ display->base.buffer = &wayland_display_buffer;
+
+ return &display->base;
+}
+
+static const struct native_platform wayland_platform = {
+ "wayland", /* name */
+ wayland_set_event_handler,
+ wayland_display_create
+};
+
+const struct native_platform *
+native_get_wayland_platform(void)
+{
+ return &wayland_platform;
+}
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