From: Varad Gautam <varad.gau...@collabora.com>
this will allow adding other drm backends later.
Signed-off-by: Varad Gautam <varad.gau...@collabora.com>
---
Makefile.am | 12 +-
clients/simple-dmabuf-drm.c | 668 ++++++++++++++++++++++++++++++++++++++++++
clients/simple-dmabuf-intel.c | 668 ------------------------------------------
configure.ac | 22 +-
4 files changed, 685 insertions(+), 685 deletions(-)
create mode 100644 clients/simple-dmabuf-drm.c
delete mode 100644 clients/simple-dmabuf-intel.c
diff --git a/Makefile.am b/Makefile.am
index b08ce71..5a7fadb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -582,18 +582,18 @@ weston_simple_egl_CFLAGS = $(AM_CFLAGS)
$(SIMPLE_EGL_CLIENT_CFLAGS)
weston_simple_egl_LDADD = $(SIMPLE_EGL_CLIENT_LIBS) -lm
endif
-if BUILD_SIMPLE_DMABUF_INTEL_CLIENT
-demo_clients += weston-simple-dmabuf-intel
-weston_simple_dmabuf_intel_SOURCES = clients/simple-dmabuf-intel.c
-nodist_weston_simple_dmabuf_intel_SOURCES = \
+if BUILD_SIMPLE_DMABUF_DRM_CLIENT
+demo_clients += weston-simple-dmabuf-drm
+weston_simple_dmabuf_drm_SOURCES = clients/simple-dmabuf-drm.c
+nodist_weston_simple_dmabuf_drm_SOURCES = \
protocol/xdg-shell-unstable-v6-protocol.c \
protocol/xdg-shell-unstable-v6-client-protocol.h \
protocol/fullscreen-shell-unstable-v1-protocol.c \
protocol/fullscreen-shell-unstable-v1-client-protocol.h \
protocol/linux-dmabuf-unstable-v1-protocol.c \
protocol/linux-dmabuf-unstable-v1-client-protocol.h
-weston_simple_dmabuf_intel_CFLAGS = $(AM_CFLAGS)
$(SIMPLE_DMABUF_INTEL_CLIENT_CFLAGS)
-weston_simple_dmabuf_intel_LDADD = $(SIMPLE_DMABUF_INTEL_CLIENT_LIBS)
libshared.la
+weston_simple_dmabuf_drm_CFLAGS = $(AM_CFLAGS)
$(SIMPLE_DMABUF_DRM_CLIENT_CFLAGS)
+weston_simple_dmabuf_drm_LDADD = $(SIMPLE_DMABUF_DRM_CLIENT_LIBS) libshared.la
BUILT_SOURCES += protocol/linux-dmabuf-unstable-v1-client-protocol.h
endif
diff --git a/clients/simple-dmabuf-drm.c b/clients/simple-dmabuf-drm.c
new file mode 100644
index 0000000..fad420a
--- /dev/null
+++ b/clients/simple-dmabuf-drm.c
@@ -0,0 +1,668 @@
+/*
+ * Copyright © 2011 Benjamin Franzke
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2014 Collabora Ltd.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <signal.h>
+#include <fcntl.h>
+
+#include <xf86drm.h>
+#include <i915_drm.h>
+#include <intel_bufmgr.h>
+#include <drm_fourcc.h>
+
+#include <wayland-client.h>
+#include "shared/zalloc.h"
+#include "xdg-shell-unstable-v6-client-protocol.h"
+#include "fullscreen-shell-unstable-v1-client-protocol.h"
+#include "linux-dmabuf-unstable-v1-client-protocol.h"
+
+struct display {
+ struct wl_display *display;
+ struct wl_registry *registry;
+ struct wl_compositor *compositor;
+ struct zxdg_shell_v6 *shell;
+ struct zwp_fullscreen_shell_v1 *fshell;
+ struct zwp_linux_dmabuf_v1 *dmabuf;
+ int xrgb8888_format_found;
+ int req_dmabuf_immediate;
+};
+
+struct buffer {
+ struct wl_buffer *buffer;
+ int busy;
+
+ int drm_fd;
+
+ drm_intel_bufmgr *bufmgr;
+ drm_intel_bo *bo;
+
+ uint32_t gem_handle;
+ int dmabuf_fd;
+ uint8_t *mmap;
+
+ int width;
+ int height;
+ int bpp;
+ unsigned long stride;
+};
+
+#define NUM_BUFFERS 3
+
+struct window {
+ struct display *display;
+ int width, height;
+ struct wl_surface *surface;
+ struct zxdg_surface_v6 *xdg_surface;
+ struct zxdg_toplevel_v6 *xdg_toplevel;
+ struct buffer buffers[NUM_BUFFERS];
+ struct buffer *prev_buffer;
+ struct wl_callback *callback;
+ bool initialized;
+ bool wait_for_configure;
+};
+
+static int running = 1;
+
+static void
+redraw(void *data, struct wl_callback *callback, uint32_t time);
+
+static void
+buffer_release(void *data, struct wl_buffer *buffer)
+{
+ struct buffer *mybuf = data;
+
+ mybuf->busy = 0;
+}
+
+static const struct wl_buffer_listener buffer_listener = {
+ buffer_release
+};
+
+static int
+drm_connect(struct buffer *my_buf)
+{
+ /* This won't work with card0 as we need to be authenticated; instead,
+ * boot with drm.rnodes=1 and use that. */
+ my_buf->drm_fd = open("/dev/dri/renderD128", O_RDWR);
+ if (my_buf->drm_fd < 0)
+ return 0;
+
+ my_buf->bufmgr = drm_intel_bufmgr_gem_init(my_buf->drm_fd, 32);
+ if (!my_buf->bufmgr)
+ return 0;
+
+ return 1;
+}
+
+static void
+drm_shutdown(struct buffer *my_buf)
+{
+ drm_intel_bufmgr_destroy(my_buf->bufmgr);
+ close(my_buf->drm_fd);
+}
+
+static int
+alloc_bo(struct buffer *my_buf)
+{
+ /* XXX: try different tiling modes for testing FB modifiers. */
+ uint32_t tiling = I915_TILING_NONE;
+
+ assert(my_buf->bufmgr);
+
+ my_buf->bo = drm_intel_bo_alloc_tiled(my_buf->bufmgr, "test",
+ my_buf->width, my_buf->height,
+ (my_buf->bpp / 8), &tiling,
+ &my_buf->stride, 0);
+
+ printf("buffer allocated w %d, h %d, stride %lu, size %lu\n",
+ my_buf->width, my_buf->height, my_buf->stride, my_buf->bo->size);
+
+ if (!my_buf->bo)
+ return 0;
+
+ if (tiling != I915_TILING_NONE)
+ return 0;
+
+ return 1;
+}
+
+static void
+free_bo(struct buffer *my_buf)
+{
+ drm_intel_bo_unreference(my_buf->bo);
+}
+
+static int
+map_bo(struct buffer *my_buf)
+{
+ if (drm_intel_gem_bo_map_gtt(my_buf->bo) != 0)
+ return 0;
+
+ my_buf->mmap = my_buf->bo->virtual;
+
+ return 1;
+}
+
+static void
+fill_content(struct buffer *my_buf)
+{
+ int x = 0, y = 0;
+ uint32_t *pix;
+
+ assert(my_buf->mmap);
+
+ for (y = 0; y < my_buf->height; y++) {
+ pix = (uint32_t *)(my_buf->mmap + y * my_buf->stride);
+ for (x = 0; x < my_buf->width; x++) {
+ *pix++ = (0xff << 24) | ((x % 256) << 16) |
+ ((y % 256) << 8) | 0xf0;
+ }
+ }
+}
+
+static void
+unmap_bo(struct buffer *my_buf)
+{
+ drm_intel_gem_bo_unmap_gtt(my_buf->bo);
+}
+
+static void
+create_succeeded(void *data,
+ struct zwp_linux_buffer_params_v1 *params,
+ struct wl_buffer *new_buffer)
+{
+ struct buffer *buffer = data;
+
+ buffer->buffer = new_buffer;
+ wl_buffer_add_listener(buffer->buffer, &buffer_listener, buffer);
+
+ zwp_linux_buffer_params_v1_destroy(params);
+}
+
+static void
+create_failed(void *data, struct zwp_linux_buffer_params_v1 *params)
+{
+ struct buffer *buffer = data;
+
+ buffer->buffer = NULL;
+ running = 0;
+
+ zwp_linux_buffer_params_v1_destroy(params);
+
+ fprintf(stderr, "Error: zwp_linux_buffer_params.create failed.\n");
+}
+
+static void
+create_immed_succeeded(void *data,
+ struct zwp_linux_buffer_params_v1 *params)
+{
+ /* XXX: keep track of successfully created wl_buffers*/
+
+ zwp_linux_buffer_params_v1_destroy(params);
+}
+
+static void
+create_immed_failed(void *data,
+ struct zwp_linux_buffer_params_v1 *params)
+{
+ /* XXX: sad trombone sound */
+
+ zwp_linux_buffer_params_v1_destroy(params);
+ fprintf(stderr, "Error: zwp_linux_buffer_params.create_immed
failed.\n");
+}
+
+static const struct zwp_linux_buffer_params_v1_listener params_listener = {
+ create_succeeded,
+ create_failed,
+ create_immed_succeeded,
+ create_immed_failed
+};
+
+static int
+create_dmabuf_buffer(struct display *display, struct buffer *buffer,
+ int width, int height)
+{
+ struct zwp_linux_buffer_params_v1 *params;
+ uint64_t modifier;
+ uint32_t flags;
+
+ if (!drm_connect(buffer)) {
+ fprintf(stderr, "drm_connect failed\n");
+ goto error;
+ }
+
+ buffer->width = width;
+ buffer->height = height;
+ buffer->bpp = 32; /* hardcoded XRGB8888 format */
+
+ if (!alloc_bo(buffer)) {
+ fprintf(stderr, "alloc_bo failed\n");
+ goto error1;
+ }
+
+ if (!map_bo(buffer)) {
+ fprintf(stderr, "map_bo failed\n");
+ goto error2;
+ }
+ fill_content(buffer);
+ unmap_bo(buffer);
+
+ if (drm_intel_bo_gem_export_to_prime(buffer->bo, &buffer->dmabuf_fd) !=
0) {
+ fprintf(stderr, "drm_intel_bo_gem_export_to_prime failed\n");
+ goto error2;
+ }
+ if (buffer->dmabuf_fd < 0) {
+ fprintf(stderr, "error: dmabuf_fd < 0\n");
+ goto error2;
+ }
+
+ /* We now have a dmabuf! It should contain 2x2 tiles (i.e. each tile
+ * is 256x256) of misc colours, and be mappable, either as ARGB8888, or
+ * XRGB8888. */
+ modifier = 0;
+ flags = 0;
+
+ params = zwp_linux_dmabuf_v1_create_params(display->dmabuf);
+ zwp_linux_buffer_params_v1_add(params,
+ buffer->dmabuf_fd,
+ 0, /* plane_idx */
+ 0, /* offset */
+ buffer->stride,
+ modifier >> 32,
+ modifier & 0xffffffff);
+ zwp_linux_buffer_params_v1_add_listener(params, ¶ms_listener,
buffer);
+ if (display->req_dmabuf_immediate) {
+ buffer->buffer = zwp_linux_buffer_params_v1_create_immed(params,
+ buffer->width,
+ buffer->height,
+ DRM_FORMAT_XRGB8888,
+ flags);
+ wl_buffer_add_listener(buffer->buffer, &buffer_listener,
buffer);
+ }
+ else
+ zwp_linux_buffer_params_v1_create(params,
+ buffer->width,
+ buffer->height,
+ DRM_FORMAT_XRGB8888,
+ flags);
+
+ return 0;
+
+error2:
+ free_bo(buffer);
+error1:
+ drm_shutdown(buffer);
+error:
+ return -1;
+}
+
+static void
+xdg_surface_handle_configure(void *data, struct zxdg_surface_v6 *surface,
+ uint32_t serial)
+{
+ struct window *window = data;
+
+ zxdg_surface_v6_ack_configure(surface, serial);
+
+ if (window->initialized && window->wait_for_configure)
+ redraw(window, NULL, 0);
+ window->wait_for_configure = false;
+}
+
+static const struct zxdg_surface_v6_listener xdg_surface_listener = {
+ xdg_surface_handle_configure,
+};
+
+static void
+xdg_toplevel_handle_configure(void *data, struct zxdg_toplevel_v6 *toplevel,
+ int32_t width, int32_t height,
+ struct wl_array *states)
+{
+}
+
+static void
+xdg_toplevel_handle_close(void *data, struct zxdg_toplevel_v6 *xdg_toplevel)
+{
+ running = 0;
+}
+
+static const struct zxdg_toplevel_v6_listener xdg_toplevel_listener = {
+ xdg_toplevel_handle_configure,
+ xdg_toplevel_handle_close,
+};
+
+static struct window *
+create_window(struct display *display, int width, int height)
+{
+ struct window *window;
+ int i;
+ int ret;
+
+ window = zalloc(sizeof *window);
+ if (!window)
+ return NULL;
+
+ window->callback = NULL;
+ window->display = display;
+ window->width = width;
+ window->height = height;
+ window->surface = wl_compositor_create_surface(display->compositor);
+
+ if (display->shell) {
+ window->xdg_surface =
+ zxdg_shell_v6_get_xdg_surface(display->shell,
+ window->surface);
+
+ assert(window->xdg_surface);
+
+ zxdg_surface_v6_add_listener(window->xdg_surface,
+ &xdg_surface_listener, window);
+
+ window->xdg_toplevel =
+ zxdg_surface_v6_get_toplevel(window->xdg_surface);
+
+ assert(window->xdg_toplevel);
+
+ zxdg_toplevel_v6_add_listener(window->xdg_toplevel,
+ &xdg_toplevel_listener, window);
+
+ zxdg_toplevel_v6_set_title(window->xdg_toplevel,
"simple-dmabuf");
+
+ window->wait_for_configure = true;
+ wl_surface_commit(window->surface);
+ } else if (display->fshell) {
+ zwp_fullscreen_shell_v1_present_surface(display->fshell,
+ window->surface,
+
ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_DEFAULT,
+ NULL);
+ } else {
+ assert(0);
+ }
+
+ for (i = 0; i < NUM_BUFFERS; ++i) {
+ ret = create_dmabuf_buffer(display, &window->buffers[i],
+ width, height);
+
+ if (ret < 0)
+ return NULL;
+ }
+
+ return window;
+}
+
+static void
+destroy_window(struct window *window)
+{
+ int i;
+
+ if (window->callback)
+ wl_callback_destroy(window->callback);
+
+ for (i = 0; i < NUM_BUFFERS; i++) {
+ if (!window->buffers[i].buffer)
+ continue;
+
+ wl_buffer_destroy(window->buffers[i].buffer);
+ free_bo(&window->buffers[i]);
+ close(window->buffers[i].dmabuf_fd);
+ drm_shutdown(&window->buffers[i]);
+ }
+
+ if (window->xdg_toplevel)
+ zxdg_toplevel_v6_destroy(window->xdg_toplevel);
+ if (window->xdg_surface)
+ zxdg_surface_v6_destroy(window->xdg_surface);
+ wl_surface_destroy(window->surface);
+ free(window);
+}
+
+static struct buffer *
+window_next_buffer(struct window *window)
+{
+ int i;
+
+ for (i = 0; i < NUM_BUFFERS; i++)
+ if (!window->buffers[i].busy)
+ return &window->buffers[i];
+
+ return NULL;
+}
+
+static const struct wl_callback_listener frame_listener;
+
+static void
+redraw(void *data, struct wl_callback *callback, uint32_t time)
+{
+ struct window *window = data;
+ struct buffer *buffer;
+
+ buffer = window_next_buffer(window);
+ if (!buffer) {
+ fprintf(stderr,
+ !callback ? "Failed to create the first buffer.\n" :
+ "All buffers busy at redraw(). Server bug?\n");
+ abort();
+ }
+
+ /* XXX: would be nice to draw something that changes here... */
+
+ wl_surface_attach(window->surface, buffer->buffer, 0, 0);
+ wl_surface_damage(window->surface, 0, 0, window->width, window->height);
+
+ if (callback)
+ wl_callback_destroy(callback);
+
+ window->callback = wl_surface_frame(window->surface);
+ wl_callback_add_listener(window->callback, &frame_listener, window);
+ wl_surface_commit(window->surface);
+ buffer->busy = 1;
+}
+
+static const struct wl_callback_listener frame_listener = {
+ redraw
+};
+
+static void
+dmabuf_format(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf,
uint32_t format)
+{
+ struct display *d = data;
+
+ if (format == DRM_FORMAT_XRGB8888)
+ d->xrgb8888_format_found = 1;
+}
+
+static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
+ dmabuf_format
+};
+
+static void
+xdg_shell_ping(void *data, struct zxdg_shell_v6 *shell, uint32_t serial)
+{
+ zxdg_shell_v6_pong(shell, serial);
+}
+
+static const struct zxdg_shell_v6_listener xdg_shell_listener = {
+ xdg_shell_ping,
+};
+
+static void
+registry_handle_global(void *data, struct wl_registry *registry,
+ uint32_t id, const char *interface, uint32_t version)
+{
+ struct display *d = data;
+
+ if (strcmp(interface, "wl_compositor") == 0) {
+ d->compositor =
+ wl_registry_bind(registry,
+ id, &wl_compositor_interface, 1);
+ } else if (strcmp(interface, "zxdg_shell_v6") == 0) {
+ d->shell = wl_registry_bind(registry,
+ id, &zxdg_shell_v6_interface, 1);
+ zxdg_shell_v6_add_listener(d->shell, &xdg_shell_listener, d);
+ } else if (strcmp(interface, "zwp_fullscreen_shell_v1") == 0) {
+ d->fshell = wl_registry_bind(registry,
+ id,
&zwp_fullscreen_shell_v1_interface, 1);
+ } else if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0) {
+ d->dmabuf = wl_registry_bind(registry,
+ id, &zwp_linux_dmabuf_v1_interface,
+ d->req_dmabuf_immediate ? 2 : 1);
+ zwp_linux_dmabuf_v1_add_listener(d->dmabuf, &dmabuf_listener,
d);
+ }
+}
+
+static void
+registry_handle_global_remove(void *data, struct wl_registry *registry,
+ uint32_t name)
+{
+}
+
+static const struct wl_registry_listener registry_listener = {
+ registry_handle_global,
+ registry_handle_global_remove
+};
+
+static struct display *
+create_display(int is_immediate)
+{
+ struct display *display;
+
+ display = malloc(sizeof *display);
+ if (display == NULL) {
+ fprintf(stderr, "out of memory\n");
+ exit(1);
+ }
+ display->display = wl_display_connect(NULL);
+ assert(display->display);
+
+ /* XXX: fake, because the compositor does not yet advertise anything */
+ display->xrgb8888_format_found = 1;
+ display->req_dmabuf_immediate = is_immediate;
+
+ display->registry = wl_display_get_registry(display->display);
+ wl_registry_add_listener(display->registry,
+ ®istry_listener, display);
+ wl_display_roundtrip(display->display);
+ if (display->dmabuf == NULL) {
+ fprintf(stderr, "No zwp_linux_dmabuf global\n");
+ exit(1);
+ }
+
+ wl_display_roundtrip(display->display);
+
+ if (!display->xrgb8888_format_found) {
+ fprintf(stderr, "DRM_FORMAT_XRGB8888 not available\n");
+ exit(1);
+ }
+
+ return display;
+}
+
+static void
+destroy_display(struct display *display)
+{
+ if (display->dmabuf)
+ zwp_linux_dmabuf_v1_destroy(display->dmabuf);
+
+ if (display->shell)
+ zxdg_shell_v6_destroy(display->shell);
+
+ if (display->fshell)
+ zwp_fullscreen_shell_v1_release(display->fshell);
+
+ if (display->compositor)
+ wl_compositor_destroy(display->compositor);
+
+ wl_registry_destroy(display->registry);
+ wl_display_flush(display->display);
+ wl_display_disconnect(display->display);
+ free(display);
+}
+
+static void
+signal_int(int signum)
+{
+ running = 0;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct sigaction sigint;
+ struct display *display;
+ struct window *window;
+ int is_immediate = 0;
+ int ret = 0;
+
+ if (argc > 1) {
+ if (!strcmp(argv[1], "immed")) {
+ is_immediate = 1;
+ }
+ else {
+ fprintf(stderr, "usage:\n\tsimple-dmabuf-intel
[options]\n"
+ "available options:\n\timmed: avoid dmabuf "
+ "creation roundtrip and import immediately\n");
+ return 1;
+ }
+ }
+
+ display = create_display(is_immediate);
+ window = create_window(display, 250, 250);
+ if (!window)
+ return 1;
+
+ sigint.sa_handler = signal_int;
+ sigemptyset(&sigint.sa_mask);
+ sigint.sa_flags = SA_RESETHAND;
+ sigaction(SIGINT, &sigint, NULL);
+
+ /* Here we retrieve the linux-dmabuf objects if executed without immed,
+ * or error */
+ wl_display_roundtrip(display->display);
+
+ if (!running)
+ return 1;
+
+ window->initialized = true;
+
+ if (!window->wait_for_configure)
+ redraw(window, NULL, 0);
+
+ while (running && ret != -1)
+ ret = wl_display_dispatch(display->display);
+
+ fprintf(stderr, "simple-dmabuf exiting\n");
+ destroy_window(window);
+ destroy_display(display);
+
+ return 0;
+}
diff --git a/clients/simple-dmabuf-intel.c b/clients/simple-dmabuf-intel.c
deleted file mode 100644
index fad420a..0000000
--- a/clients/simple-dmabuf-intel.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/*
- * Copyright © 2011 Benjamin Franzke
- * Copyright © 2010 Intel Corporation
- * Copyright © 2014 Collabora Ltd.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no representations
- * about the suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#include "config.h"
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-#include <assert.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <signal.h>
-#include <fcntl.h>
-
-#include <xf86drm.h>
-#include <i915_drm.h>
-#include <intel_bufmgr.h>
-#include <drm_fourcc.h>
-
-#include <wayland-client.h>
-#include "shared/zalloc.h"
-#include "xdg-shell-unstable-v6-client-protocol.h"
-#include "fullscreen-shell-unstable-v1-client-protocol.h"
-#include "linux-dmabuf-unstable-v1-client-protocol.h"
-
-struct display {
- struct wl_display *display;
- struct wl_registry *registry;
- struct wl_compositor *compositor;
- struct zxdg_shell_v6 *shell;
- struct zwp_fullscreen_shell_v1 *fshell;
- struct zwp_linux_dmabuf_v1 *dmabuf;
- int xrgb8888_format_found;
- int req_dmabuf_immediate;
-};
-
-struct buffer {
- struct wl_buffer *buffer;
- int busy;
-
- int drm_fd;
-
- drm_intel_bufmgr *bufmgr;
- drm_intel_bo *bo;
-
- uint32_t gem_handle;
- int dmabuf_fd;
- uint8_t *mmap;
-
- int width;
- int height;
- int bpp;
- unsigned long stride;
-};
-
-#define NUM_BUFFERS 3
-
-struct window {
- struct display *display;
- int width, height;
- struct wl_surface *surface;
- struct zxdg_surface_v6 *xdg_surface;
- struct zxdg_toplevel_v6 *xdg_toplevel;
- struct buffer buffers[NUM_BUFFERS];
- struct buffer *prev_buffer;
- struct wl_callback *callback;
- bool initialized;
- bool wait_for_configure;
-};
-
-static int running = 1;
-
-static void
-redraw(void *data, struct wl_callback *callback, uint32_t time);
-
-static void
-buffer_release(void *data, struct wl_buffer *buffer)
-{
- struct buffer *mybuf = data;
-
- mybuf->busy = 0;
-}
-
-static const struct wl_buffer_listener buffer_listener = {
- buffer_release
-};
-
-static int
-drm_connect(struct buffer *my_buf)
-{
- /* This won't work with card0 as we need to be authenticated; instead,
- * boot with drm.rnodes=1 and use that. */
- my_buf->drm_fd = open("/dev/dri/renderD128", O_RDWR);
- if (my_buf->drm_fd < 0)
- return 0;
-
- my_buf->bufmgr = drm_intel_bufmgr_gem_init(my_buf->drm_fd, 32);
- if (!my_buf->bufmgr)
- return 0;
-
- return 1;
-}
-
-static void
-drm_shutdown(struct buffer *my_buf)
-{
- drm_intel_bufmgr_destroy(my_buf->bufmgr);
- close(my_buf->drm_fd);
-}
-
-static int
-alloc_bo(struct buffer *my_buf)
-{
- /* XXX: try different tiling modes for testing FB modifiers. */
- uint32_t tiling = I915_TILING_NONE;
-
- assert(my_buf->bufmgr);
-
- my_buf->bo = drm_intel_bo_alloc_tiled(my_buf->bufmgr, "test",
- my_buf->width, my_buf->height,
- (my_buf->bpp / 8), &tiling,
- &my_buf->stride, 0);
-
- printf("buffer allocated w %d, h %d, stride %lu, size %lu\n",
- my_buf->width, my_buf->height, my_buf->stride, my_buf->bo->size);
-
- if (!my_buf->bo)
- return 0;
-
- if (tiling != I915_TILING_NONE)
- return 0;
-
- return 1;
-}
-
-static void
-free_bo(struct buffer *my_buf)
-{
- drm_intel_bo_unreference(my_buf->bo);
-}
-
-static int
-map_bo(struct buffer *my_buf)
-{
- if (drm_intel_gem_bo_map_gtt(my_buf->bo) != 0)
- return 0;
-
- my_buf->mmap = my_buf->bo->virtual;
-
- return 1;
-}
-
-static void
-fill_content(struct buffer *my_buf)
-{
- int x = 0, y = 0;
- uint32_t *pix;
-
- assert(my_buf->mmap);
-
- for (y = 0; y < my_buf->height; y++) {
- pix = (uint32_t *)(my_buf->mmap + y * my_buf->stride);
- for (x = 0; x < my_buf->width; x++) {
- *pix++ = (0xff << 24) | ((x % 256) << 16) |
- ((y % 256) << 8) | 0xf0;
- }
- }
-}
-
-static void
-unmap_bo(struct buffer *my_buf)
-{
- drm_intel_gem_bo_unmap_gtt(my_buf->bo);
-}
-
-static void
-create_succeeded(void *data,
- struct zwp_linux_buffer_params_v1 *params,
- struct wl_buffer *new_buffer)
-{
- struct buffer *buffer = data;
-
- buffer->buffer = new_buffer;
- wl_buffer_add_listener(buffer->buffer, &buffer_listener, buffer);
-
- zwp_linux_buffer_params_v1_destroy(params);
-}
-
-static void
-create_failed(void *data, struct zwp_linux_buffer_params_v1 *params)
-{
- struct buffer *buffer = data;
-
- buffer->buffer = NULL;
- running = 0;
-
- zwp_linux_buffer_params_v1_destroy(params);
-
- fprintf(stderr, "Error: zwp_linux_buffer_params.create failed.\n");
-}
-
-static void
-create_immed_succeeded(void *data,
- struct zwp_linux_buffer_params_v1 *params)
-{
- /* XXX: keep track of successfully created wl_buffers*/
-
- zwp_linux_buffer_params_v1_destroy(params);
-}
-
-static void
-create_immed_failed(void *data,
- struct zwp_linux_buffer_params_v1 *params)
-{
- /* XXX: sad trombone sound */
-
- zwp_linux_buffer_params_v1_destroy(params);
- fprintf(stderr, "Error: zwp_linux_buffer_params.create_immed
failed.\n");
-}
-
-static const struct zwp_linux_buffer_params_v1_listener params_listener = {
- create_succeeded,
- create_failed,
- create_immed_succeeded,
- create_immed_failed
-};
-
-static int
-create_dmabuf_buffer(struct display *display, struct buffer *buffer,
- int width, int height)
-{
- struct zwp_linux_buffer_params_v1 *params;
- uint64_t modifier;
- uint32_t flags;
-
- if (!drm_connect(buffer)) {
- fprintf(stderr, "drm_connect failed\n");
- goto error;
- }
-
- buffer->width = width;
- buffer->height = height;
- buffer->bpp = 32; /* hardcoded XRGB8888 format */
-
- if (!alloc_bo(buffer)) {
- fprintf(stderr, "alloc_bo failed\n");
- goto error1;
- }
-
- if (!map_bo(buffer)) {
- fprintf(stderr, "map_bo failed\n");
- goto error2;
- }
- fill_content(buffer);
- unmap_bo(buffer);
-
- if (drm_intel_bo_gem_export_to_prime(buffer->bo, &buffer->dmabuf_fd) !=
0) {
- fprintf(stderr, "drm_intel_bo_gem_export_to_prime failed\n");
- goto error2;
- }
- if (buffer->dmabuf_fd < 0) {
- fprintf(stderr, "error: dmabuf_fd < 0\n");
- goto error2;
- }
-
- /* We now have a dmabuf! It should contain 2x2 tiles (i.e. each tile
- * is 256x256) of misc colours, and be mappable, either as ARGB8888, or
- * XRGB8888. */
- modifier = 0;
- flags = 0;
-
- params = zwp_linux_dmabuf_v1_create_params(display->dmabuf);
- zwp_linux_buffer_params_v1_add(params,
- buffer->dmabuf_fd,
- 0, /* plane_idx */
- 0, /* offset */
- buffer->stride,
- modifier >> 32,
- modifier & 0xffffffff);
- zwp_linux_buffer_params_v1_add_listener(params, ¶ms_listener,
buffer);
- if (display->req_dmabuf_immediate) {
- buffer->buffer = zwp_linux_buffer_params_v1_create_immed(params,
- buffer->width,
- buffer->height,
- DRM_FORMAT_XRGB8888,
- flags);
- wl_buffer_add_listener(buffer->buffer, &buffer_listener,
buffer);
- }
- else
- zwp_linux_buffer_params_v1_create(params,
- buffer->width,
- buffer->height,
- DRM_FORMAT_XRGB8888,
- flags);
-
- return 0;
-
-error2:
- free_bo(buffer);
-error1:
- drm_shutdown(buffer);
-error:
- return -1;
-}
-
-static void
-xdg_surface_handle_configure(void *data, struct zxdg_surface_v6 *surface,
- uint32_t serial)
-{
- struct window *window = data;
-
- zxdg_surface_v6_ack_configure(surface, serial);
-
- if (window->initialized && window->wait_for_configure)
- redraw(window, NULL, 0);
- window->wait_for_configure = false;
-}
-
-static const struct zxdg_surface_v6_listener xdg_surface_listener = {
- xdg_surface_handle_configure,
-};
-
-static void
-xdg_toplevel_handle_configure(void *data, struct zxdg_toplevel_v6 *toplevel,
- int32_t width, int32_t height,
- struct wl_array *states)
-{
-}
-
-static void
-xdg_toplevel_handle_close(void *data, struct zxdg_toplevel_v6 *xdg_toplevel)
-{
- running = 0;
-}
-
-static const struct zxdg_toplevel_v6_listener xdg_toplevel_listener = {
- xdg_toplevel_handle_configure,
- xdg_toplevel_handle_close,
-};
-
-static struct window *
-create_window(struct display *display, int width, int height)
-{
- struct window *window;
- int i;
- int ret;
-
- window = zalloc(sizeof *window);
- if (!window)
- return NULL;
-
- window->callback = NULL;
- window->display = display;
- window->width = width;
- window->height = height;
- window->surface = wl_compositor_create_surface(display->compositor);
-
- if (display->shell) {
- window->xdg_surface =
- zxdg_shell_v6_get_xdg_surface(display->shell,
- window->surface);
-
- assert(window->xdg_surface);
-
- zxdg_surface_v6_add_listener(window->xdg_surface,
- &xdg_surface_listener, window);
-
- window->xdg_toplevel =
- zxdg_surface_v6_get_toplevel(window->xdg_surface);
-
- assert(window->xdg_toplevel);
-
- zxdg_toplevel_v6_add_listener(window->xdg_toplevel,
- &xdg_toplevel_listener, window);
-
- zxdg_toplevel_v6_set_title(window->xdg_toplevel,
"simple-dmabuf");
-
- window->wait_for_configure = true;
- wl_surface_commit(window->surface);
- } else if (display->fshell) {
- zwp_fullscreen_shell_v1_present_surface(display->fshell,
- window->surface,
-
ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_DEFAULT,
- NULL);
- } else {
- assert(0);
- }
-
- for (i = 0; i < NUM_BUFFERS; ++i) {
- ret = create_dmabuf_buffer(display, &window->buffers[i],
- width, height);
-
- if (ret < 0)
- return NULL;
- }
-
- return window;
-}
-
-static void
-destroy_window(struct window *window)
-{
- int i;
-
- if (window->callback)
- wl_callback_destroy(window->callback);
-
- for (i = 0; i < NUM_BUFFERS; i++) {
- if (!window->buffers[i].buffer)
- continue;
-
- wl_buffer_destroy(window->buffers[i].buffer);
- free_bo(&window->buffers[i]);
- close(window->buffers[i].dmabuf_fd);
- drm_shutdown(&window->buffers[i]);
- }
-
- if (window->xdg_toplevel)
- zxdg_toplevel_v6_destroy(window->xdg_toplevel);
- if (window->xdg_surface)
- zxdg_surface_v6_destroy(window->xdg_surface);
- wl_surface_destroy(window->surface);
- free(window);
-}
-
-static struct buffer *
-window_next_buffer(struct window *window)
-{
- int i;
-
- for (i = 0; i < NUM_BUFFERS; i++)
- if (!window->buffers[i].busy)
- return &window->buffers[i];
-
- return NULL;
-}
-
-static const struct wl_callback_listener frame_listener;
-
-static void
-redraw(void *data, struct wl_callback *callback, uint32_t time)
-{
- struct window *window = data;
- struct buffer *buffer;
-
- buffer = window_next_buffer(window);
- if (!buffer) {
- fprintf(stderr,
- !callback ? "Failed to create the first buffer.\n" :
- "All buffers busy at redraw(). Server bug?\n");
- abort();
- }
-
- /* XXX: would be nice to draw something that changes here... */
-
- wl_surface_attach(window->surface, buffer->buffer, 0, 0);
- wl_surface_damage(window->surface, 0, 0, window->width, window->height);
-
- if (callback)
- wl_callback_destroy(callback);
-
- window->callback = wl_surface_frame(window->surface);
- wl_callback_add_listener(window->callback, &frame_listener, window);
- wl_surface_commit(window->surface);
- buffer->busy = 1;
-}
-
-static const struct wl_callback_listener frame_listener = {
- redraw
-};
-
-static void
-dmabuf_format(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf,
uint32_t format)
-{
- struct display *d = data;
-
- if (format == DRM_FORMAT_XRGB8888)
- d->xrgb8888_format_found = 1;
-}
-
-static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
- dmabuf_format
-};
-
-static void
-xdg_shell_ping(void *data, struct zxdg_shell_v6 *shell, uint32_t serial)
-{
- zxdg_shell_v6_pong(shell, serial);
-}
-
-static const struct zxdg_shell_v6_listener xdg_shell_listener = {
- xdg_shell_ping,
-};
-
-static void
-registry_handle_global(void *data, struct wl_registry *registry,
- uint32_t id, const char *interface, uint32_t version)
-{
- struct display *d = data;
-
- if (strcmp(interface, "wl_compositor") == 0) {
- d->compositor =
- wl_registry_bind(registry,
- id, &wl_compositor_interface, 1);
- } else if (strcmp(interface, "zxdg_shell_v6") == 0) {
- d->shell = wl_registry_bind(registry,
- id, &zxdg_shell_v6_interface, 1);
- zxdg_shell_v6_add_listener(d->shell, &xdg_shell_listener, d);
- } else if (strcmp(interface, "zwp_fullscreen_shell_v1") == 0) {
- d->fshell = wl_registry_bind(registry,
- id,
&zwp_fullscreen_shell_v1_interface, 1);
- } else if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0) {
- d->dmabuf = wl_registry_bind(registry,
- id, &zwp_linux_dmabuf_v1_interface,
- d->req_dmabuf_immediate ? 2 : 1);
- zwp_linux_dmabuf_v1_add_listener(d->dmabuf, &dmabuf_listener,
d);
- }
-}
-
-static void
-registry_handle_global_remove(void *data, struct wl_registry *registry,
- uint32_t name)
-{
-}
-
-static const struct wl_registry_listener registry_listener = {
- registry_handle_global,
- registry_handle_global_remove
-};
-
-static struct display *
-create_display(int is_immediate)
-{
- struct display *display;
-
- display = malloc(sizeof *display);
- if (display == NULL) {
- fprintf(stderr, "out of memory\n");
- exit(1);
- }
- display->display = wl_display_connect(NULL);
- assert(display->display);
-
- /* XXX: fake, because the compositor does not yet advertise anything */
- display->xrgb8888_format_found = 1;
- display->req_dmabuf_immediate = is_immediate;
-
- display->registry = wl_display_get_registry(display->display);
- wl_registry_add_listener(display->registry,
- ®istry_listener, display);
- wl_display_roundtrip(display->display);
- if (display->dmabuf == NULL) {
- fprintf(stderr, "No zwp_linux_dmabuf global\n");
- exit(1);
- }
-
- wl_display_roundtrip(display->display);
-
- if (!display->xrgb8888_format_found) {
- fprintf(stderr, "DRM_FORMAT_XRGB8888 not available\n");
- exit(1);
- }
-
- return display;
-}
-
-static void
-destroy_display(struct display *display)
-{
- if (display->dmabuf)
- zwp_linux_dmabuf_v1_destroy(display->dmabuf);
-
- if (display->shell)
- zxdg_shell_v6_destroy(display->shell);
-
- if (display->fshell)
- zwp_fullscreen_shell_v1_release(display->fshell);
-
- if (display->compositor)
- wl_compositor_destroy(display->compositor);
-
- wl_registry_destroy(display->registry);
- wl_display_flush(display->display);
- wl_display_disconnect(display->display);
- free(display);
-}
-
-static void
-signal_int(int signum)
-{
- running = 0;
-}
-
-int
-main(int argc, char **argv)
-{
- struct sigaction sigint;
- struct display *display;
- struct window *window;
- int is_immediate = 0;
- int ret = 0;
-
- if (argc > 1) {
- if (!strcmp(argv[1], "immed")) {
- is_immediate = 1;
- }
- else {
- fprintf(stderr, "usage:\n\tsimple-dmabuf-intel
[options]\n"
- "available options:\n\timmed: avoid dmabuf "
- "creation roundtrip and import immediately\n");
- return 1;
- }
- }
-
- display = create_display(is_immediate);
- window = create_window(display, 250, 250);
- if (!window)
- return 1;
-
- sigint.sa_handler = signal_int;
- sigemptyset(&sigint.sa_mask);
- sigint.sa_flags = SA_RESETHAND;
- sigaction(SIGINT, &sigint, NULL);
-
- /* Here we retrieve the linux-dmabuf objects if executed without immed,
- * or error */
- wl_display_roundtrip(display->display);
-
- if (!running)
- return 1;
-
- window->initialized = true;
-
- if (!window->wait_for_configure)
- redraw(window, NULL, 0);
-
- while (running && ret != -1)
- ret = wl_display_dispatch(display->display);
-
- fprintf(stderr, "simple-dmabuf exiting\n");
- destroy_window(window);
- destroy_display(display);
-
- return 0;
-}
diff --git a/configure.ac b/configure.ac
index 1e251bf..d084d32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -387,19 +387,19 @@ if test x$enable_simple_egl_clients = xyes; then
[egl glesv2 wayland-client wayland-egl wayland-cursor])
fi
-AC_ARG_ENABLE(simple-dmabuf-intel-client,
- AS_HELP_STRING([--disable-simple-dmabuf-intel-client],
- [do not build the simple dmabuf intel client]),,
- enable_simple_dmabuf_intel_client="auto")
-if ! test "x$enable_simple_dmabuf_intel_client" = "xno"; then
- PKG_CHECK_MODULES(SIMPLE_DMABUF_INTEL_CLIENT, [wayland-client libdrm
libdrm_intel],
- have_simple_dmabuf_intel_client=yes,
have_simple_dmabuf_intel_client=no)
- if test "x$have_simple_dmabuf_intel_client" = "xno" -a
"x$enable_simple_dmabuf_intel_client" = "xyes"; then
- AC_MSG_ERROR([Intel dmabuf client explicitly enabled, but libdrm_intel
couldn't be found])
+AC_ARG_ENABLE(simple-dmabuf-drm-client,
+ AS_HELP_STRING([--disable-simple-dmabuf-drm-client],
+ [do not build the simple dmabuf drm client]),,
+ enable_simple_dmabuf_drm_client="auto")
+if ! test "x$enable_simple_dmabuf_drm_client" = "xno"; then
+ PKG_CHECK_MODULES(SIMPLE_DMABUF_DRM_CLIENT, [wayland-client libdrm
libdrm_intel],
+ have_simple_dmabuf_drm_client=yes,
have_simple_dmabuf_drm_client=no)
+ if test "x$have_simple_dmabuf_drm_client" = "xno" -a
"x$enable_simple_dmabuf_drm_client" = "xyes"; then
+ AC_MSG_ERROR([DRM dmabuf client explicitly enabled, but libdrm_intel
couldn't be found])
fi
- enable_simple_dmabuf_intel_client="$have_simple_dmabuf_intel_client"
+ enable_simple_dmabuf_drm_client="$have_simple_dmabuf_drm_client"
fi
-AM_CONDITIONAL(BUILD_SIMPLE_DMABUF_INTEL_CLIENT, test
"x$enable_simple_dmabuf_intel_client" = "xyes")
+AM_CONDITIONAL(BUILD_SIMPLE_DMABUF_DRM_CLIENT, test
"x$enable_simple_dmabuf_drm_client" = "xyes")
AC_ARG_ENABLE(simple-dmabuf-v4l-client,
AS_HELP_STRING([--disable-simple-dmabuf-v4l-client],
--
2.6.2
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