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clients/simple-dmabuf-drm: add freedreno support alongside intel

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abstract drm specific bits to struct drm_device and support running on
freedreno. introduce 'modifier' event.

v2: rebase to master, deprecate 'format' event.

Signed-off-by: Varad Gautam <varad.gautam@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
dev
Varad Gautam 8 years ago committed by Daniel Stone
parent f9dec67990
commit f7b3a39625
3 changed files with 197 additions and 42 deletions
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  1. 2
      Makefile.am
  2. 218
      clients/simple-dmabuf-drm.c
  3. 19
      configure.ac

2
Makefile.am
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@ -634,7 +634,7 @@ nodist_weston_simple_dmabuf_drm_SOURCES = \
protocol/linux-dmabuf-unstable-v1-protocol.c \
protocol/linux-dmabuf-unstable-v1-client-protocol.h
weston_simple_dmabuf_drm_CFLAGS = $(AM_CFLAGS) $(SIMPLE_DMABUF_DRM_CLIENT_CFLAGS)
weston_simple_dmabuf_drm_LDADD = $(SIMPLE_DMABUF_DRM_CLIENT_LIBS) libshared.la
weston_simple_dmabuf_drm_LDADD = $(SIMPLE_DMABUF_DRM_CLIENT_LIBS) $(LIBDRM_PLATFORM_LIBS) libshared.la
BUILT_SOURCES += protocol/linux-dmabuf-unstable-v1-client-protocol.h
endif

218
clients/simple-dmabuf-drm.c
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@ -39,8 +39,13 @@
#include <fcntl.h>
#include <xf86drm.h>
#ifdef HAVE_LIBDRM_INTEL
#include <i915_drm.h>
#include <intel_bufmgr.h>
#elif HAVE_LIBDRM_FREEDRENO
#include <freedreno/freedreno_drmif.h>
#endif
#include <drm_fourcc.h>
#include <wayland-client.h>
@ -49,6 +54,8 @@
#include "fullscreen-shell-unstable-v1-client-protocol.h"
#include "linux-dmabuf-unstable-v1-client-protocol.h"
struct buffer;
struct display {
struct wl_display *display;
struct wl_registry *registry;
@ -60,14 +67,31 @@ struct display {
int req_dmabuf_immediate;
};
struct drm_device {
int fd;
char *name;
int (*alloc_bo)(struct buffer *buf);
void (*free_bo)(struct buffer *buf);
int (*export_bo_to_prime)(struct buffer *buf);
int (*map_bo)(struct buffer *buf);
void (*unmap_bo)(struct buffer *buf);
};
struct buffer {
struct wl_buffer *buffer;
int busy;
struct drm_device *dev;
int drm_fd;
#ifdef HAVE_LIBDRM_INTEL
drm_intel_bufmgr *bufmgr;
drm_intel_bo *bo;
#elif HAVE_LIBDRM_FREEDRENO
struct fd_device *fd_dev;
struct fd_bo *bo;
#endif /* HAVE_LIBDRM_FREEDRENO */
uint32_t gem_handle;
int dmabuf_fd;
@ -111,31 +135,10 @@ 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);
}
#ifdef HAVE_LIBDRM_INTEL
static int
alloc_bo(struct buffer *my_buf)
intel_alloc_bo(struct buffer *my_buf)
{
/* XXX: try different tiling modes for testing FB modifiers. */
uint32_t tiling = I915_TILING_NONE;
@ -160,13 +163,13 @@ alloc_bo(struct buffer *my_buf)
}
static void
free_bo(struct buffer *my_buf)
intel_free_bo(struct buffer *my_buf)
{
drm_intel_bo_unreference(my_buf->bo);
}
static int
map_bo(struct buffer *my_buf)
intel_map_bo(struct buffer *my_buf)
{
if (drm_intel_gem_bo_map_gtt(my_buf->bo) != 0)
return 0;
@ -176,6 +179,68 @@ map_bo(struct buffer *my_buf)
return 1;
}
static int
intel_bo_export_to_prime(struct buffer *buffer)
{
return drm_intel_bo_gem_export_to_prime(buffer->bo, &buffer->dmabuf_fd);
}
static void
intel_unmap_bo(struct buffer *my_buf)
{
drm_intel_gem_bo_unmap_gtt(my_buf->bo);
}
#elif HAVE_LIBDRM_FREEDRENO
#define ALIGN(v, a) ((v + a - 1) & ~(a - 1))
static
int fd_alloc_bo(struct buffer *buf)
{
int flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE;
int size = buf->width * buf->height * buf->bpp / 8;
buf->fd_dev = fd_device_new(buf->drm_fd);
buf->bo = fd_bo_new(buf->fd_dev, size, flags);
if (!buf->bo)
return 0;
buf->stride = ALIGN(buf->width, 32) * buf->bpp / 8;
return 1;
}
static
void fd_free_bo(struct buffer *buf)
{
fd_bo_del(buf->bo);
}
static
int fd_bo_export_to_prime(struct buffer *buf)
{
buf->dmabuf_fd = fd_bo_dmabuf(buf->bo);
if (buf->dmabuf_fd > 0)
return 0;
return 1;
}
static
int fd_map_bo(struct buffer *buf)
{
buf->mmap = fd_bo_map(buf->bo);
if (buf->mmap != NULL)
return 1;
return 0;
}
static
void fd_unmap_bo(struct buffer *buf)
{
}
#endif
static void
fill_content(struct buffer *my_buf)
{
@ -194,11 +259,78 @@ fill_content(struct buffer *my_buf)
}
static void
unmap_bo(struct buffer *my_buf)
drm_device_destroy(struct buffer *buf)
{
drm_intel_gem_bo_unmap_gtt(my_buf->bo);
#ifdef HAVE_LIBDRM_INTEL
drm_intel_bufmgr_destroy(buf->bufmgr);
#elif HAVE_LIBDRM_FREEDRENO
fd_device_del(buf->fd_dev);
#endif
close(buf->drm_fd);
}
static int
drm_device_init(struct buffer *buf)
{
struct drm_device *dev = calloc(1, sizeof(struct drm_device));
drmVersionPtr version = drmGetVersion(buf->drm_fd);
dev->fd = buf->drm_fd;
dev->name = strdup(version->name);
if (0) {
/* nothing */
}
#ifdef HAVE_LIBDRM_INTEL
else if (!strcmp(dev->name, "i915")) {
buf->bufmgr = drm_intel_bufmgr_gem_init(buf->drm_fd, 32);
if (!buf->bufmgr)
return 0;
dev->alloc_bo = intel_alloc_bo;
dev->free_bo = intel_free_bo;
dev->export_bo_to_prime = intel_bo_export_to_prime;
dev->map_bo = intel_map_bo;
dev->unmap_bo = intel_unmap_bo;
}
#elif HAVE_LIBDRM_FREEDRENO
else if (!strcmp(dev->name, "msm")) {
dev->alloc_bo = fd_alloc_bo;
dev->free_bo = fd_free_bo;
dev->export_bo_to_prime = fd_bo_export_to_prime;
dev->map_bo = fd_map_bo;
dev->unmap_bo = fd_unmap_bo;
}
#endif
else {
fprintf(stderr, "Error: drm device %s unsupported.\n",
dev->name);
free(dev);
return 0;
}
buf->dev = dev;
return 1;
}
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;
return drm_device_init(my_buf);
}
static void
drm_shutdown(struct buffer *my_buf)
{
drm_device_destroy(my_buf);
}
static void
create_succeeded(void *data,
struct zwp_linux_buffer_params_v1 *params,
@ -237,30 +369,32 @@ create_dmabuf_buffer(struct display *display, struct buffer *buffer,
struct zwp_linux_buffer_params_v1 *params;
uint64_t modifier;
uint32_t flags;
struct drm_device *drm_dev;
if (!drm_connect(buffer)) {
fprintf(stderr, "drm_connect failed\n");
goto error;
}
drm_dev = buffer->dev;
buffer->width = width;
buffer->height = height;
buffer->bpp = 32; /* hardcoded XRGB8888 format */
if (!alloc_bo(buffer)) {
if (!drm_dev->alloc_bo(buffer)) {
fprintf(stderr, "alloc_bo failed\n");
goto error1;
}
if (!map_bo(buffer)) {
if (!drm_dev->map_bo(buffer)) {
fprintf(stderr, "map_bo failed\n");
goto error2;
}
fill_content(buffer);
unmap_bo(buffer);
drm_dev->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");
if (drm_dev->export_bo_to_prime(buffer) != 0) {
fprintf(stderr, "gem_export_to_prime failed\n");
goto error2;
}
if (buffer->dmabuf_fd < 0) {
@ -301,7 +435,7 @@ create_dmabuf_buffer(struct display *display, struct buffer *buffer,
return 0;
error2:
free_bo(buffer);
drm_dev->free_bo(buffer);
error1:
drm_shutdown(buffer);
error:
@ -405,6 +539,7 @@ create_window(struct display *display, int width, int height)
static void
destroy_window(struct window *window)
{
struct drm_device* dev;
int i;
if (window->callback)
@ -415,7 +550,8 @@ destroy_window(struct window *window)
continue;
wl_buffer_destroy(window->buffers[i].buffer);
free_bo(&window->buffers[i]);
dev = window->buffers[i].dev;
dev->free_bo(&window->buffers[i]);
close(window->buffers[i].dmabuf_fd);
drm_shutdown(&window->buffers[i]);
}
@ -475,16 +611,26 @@ static const struct wl_callback_listener frame_listener = {
};
static void
dmabuf_format(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf, uint32_t format)
dmabuf_modifiers(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf,
uint32_t format, uint32_t modifier_hi, uint32_t modifier_lo)
{
struct display *d = data;
if (format == DRM_FORMAT_XRGB8888)
d->xrgb8888_format_found = 1;
/* XXX: do something useful with modifiers */
}
static void
dmabuf_format(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf, uint32_t format)
{
/* XXX: will be deprecated. */
}
static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
dmabuf_format
dmabuf_format,
dmabuf_modifiers
};
static void

19
configure.ac
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@ -385,12 +385,21 @@ AC_ARG_ENABLE(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$enable_simple_dmabuf_drm_client" = "xyes"; then
AC_MSG_ERROR([DRM dmabuf client explicitly enabled, but libdrm_intel couldn't be found])
PKG_CHECK_MODULES(SIMPLE_DMABUF_DRM_CLIENT, [wayland-client libdrm],
[PKG_CHECK_MODULES(LIBDRM_PLATFORM, [libdrm_freedreno],
AC_DEFINE([HAVE_LIBDRM_FREEDRENO], [1], [Build freedreno dmabuf client]) have_simple_dmabuf_drm_client=freedreno,
[PKG_CHECK_MODULES(LIBDRM_PLATFORM, [libdrm_intel],
AC_DEFINE([HAVE_LIBDRM_INTEL], [1], [Build intel dmabuf client]) have_simple_dmabuf_drm_client=intel,
have_simple_dmabuf_drm_client=unsupported)])],
have_simple_dmabuf_drm_client=unsupported)
if test "x$have_simple_dmabuf_drm_client" = "xunsupported" -a "x$enable_simple_dmabuf_drm_client" = "xyes"; then
AC_MSG_ERROR([DRM dmabuf client explicitly enabled, but libdrm_intel or libdrm_freedreno not found])
fi
if test "x$have_simple_dmabuf_drm_client" = "xfreedreno" -o "x$have_simple_dmabuf_drm_client" = "xintel"; then
enable_simple_dmabuf_drm_client="yes"
fi
enable_simple_dmabuf_drm_client="$have_simple_dmabuf_drm_client"
fi
AM_CONDITIONAL(BUILD_SIMPLE_DMABUF_DRM_CLIENT, test "x$enable_simple_dmabuf_drm_client" = "xyes")

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