[PATCH weston 5/9] clients/simple-dmabuf-intel: rename to simple-dmabuf-drm

Varad Gautam varadgautam at gmail.com
Thu Nov 17 11:55:59 UTC 2016


From: Varad Gautam <varad.gautam at collabora.com>

this will allow adding other drm backends later.

Signed-off-by: Varad Gautam <varad.gautam at 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, &params_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,
+				 &registry_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, &params_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,
-				 &registry_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



More information about the wayland-devel mailing list