clients/simple-dmabuf-drm: add freedreno support alongside intel
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>
This commit is contained in:
Varad Gautam
Daniel Stone
parent
f9dec67990
commit
f7b3a39625
@ -634,7 +634,7 @@ nodist_weston_simple_dmabuf_drm_SOURCES = \
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protocol/linux-dmabuf-unstable-v1-protocol.c \
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protocol/linux-dmabuf-unstable-v1-client-protocol.h
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weston_simple_dmabuf_drm_CFLAGS = $(AM_CFLAGS) $(SIMPLE_DMABUF_DRM_CLIENT_CFLAGS)
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weston_simple_dmabuf_drm_LDADD = $(SIMPLE_DMABUF_DRM_CLIENT_LIBS) libshared.la
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weston_simple_dmabuf_drm_LDADD = $(SIMPLE_DMABUF_DRM_CLIENT_LIBS) $(LIBDRM_PLATFORM_LIBS) libshared.la
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BUILT_SOURCES += protocol/linux-dmabuf-unstable-v1-client-protocol.h
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endif
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@ -39,8 +39,13 @@
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#include <fcntl.h>
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#include <xf86drm.h>
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#ifdef HAVE_LIBDRM_INTEL
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#include <i915_drm.h>
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#include <intel_bufmgr.h>
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#elif HAVE_LIBDRM_FREEDRENO
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#include <freedreno/freedreno_drmif.h>
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#endif
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#include <drm_fourcc.h>
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#include <wayland-client.h>
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@ -49,6 +54,8 @@
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#include "fullscreen-shell-unstable-v1-client-protocol.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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struct buffer;
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struct display {
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struct wl_display *display;
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struct wl_registry *registry;
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@ -60,14 +67,31 @@ struct display {
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int req_dmabuf_immediate;
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};
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struct drm_device {
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int fd;
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char *name;
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int (*alloc_bo)(struct buffer *buf);
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void (*free_bo)(struct buffer *buf);
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int (*export_bo_to_prime)(struct buffer *buf);
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int (*map_bo)(struct buffer *buf);
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void (*unmap_bo)(struct buffer *buf);
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};
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struct buffer {
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struct wl_buffer *buffer;
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int busy;
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struct drm_device *dev;
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int drm_fd;
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#ifdef HAVE_LIBDRM_INTEL
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drm_intel_bufmgr *bufmgr;
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drm_intel_bo *bo;
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#elif HAVE_LIBDRM_FREEDRENO
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struct fd_device *fd_dev;
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struct fd_bo *bo;
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#endif /* HAVE_LIBDRM_FREEDRENO */
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uint32_t gem_handle;
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int dmabuf_fd;
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@ -111,31 +135,10 @@ static const struct wl_buffer_listener buffer_listener = {
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buffer_release
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};
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#ifdef HAVE_LIBDRM_INTEL
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static int
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drm_connect(struct buffer *my_buf)
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{
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/* This won't work with card0 as we need to be authenticated; instead,
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* boot with drm.rnodes=1 and use that. */
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my_buf->drm_fd = open("/dev/dri/renderD128", O_RDWR);
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if (my_buf->drm_fd < 0)
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return 0;
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my_buf->bufmgr = drm_intel_bufmgr_gem_init(my_buf->drm_fd, 32);
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if (!my_buf->bufmgr)
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return 0;
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return 1;
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}
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static void
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drm_shutdown(struct buffer *my_buf)
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{
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drm_intel_bufmgr_destroy(my_buf->bufmgr);
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close(my_buf->drm_fd);
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}
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static int
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alloc_bo(struct buffer *my_buf)
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intel_alloc_bo(struct buffer *my_buf)
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{
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/* XXX: try different tiling modes for testing FB modifiers. */
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uint32_t tiling = I915_TILING_NONE;
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@ -160,13 +163,13 @@ alloc_bo(struct buffer *my_buf)
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}
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static void
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free_bo(struct buffer *my_buf)
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intel_free_bo(struct buffer *my_buf)
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{
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drm_intel_bo_unreference(my_buf->bo);
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}
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static int
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map_bo(struct buffer *my_buf)
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intel_map_bo(struct buffer *my_buf)
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{
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if (drm_intel_gem_bo_map_gtt(my_buf->bo) != 0)
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return 0;
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@ -176,6 +179,68 @@ map_bo(struct buffer *my_buf)
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return 1;
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}
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static int
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intel_bo_export_to_prime(struct buffer *buffer)
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{
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return drm_intel_bo_gem_export_to_prime(buffer->bo, &buffer->dmabuf_fd);
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}
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static void
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intel_unmap_bo(struct buffer *my_buf)
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{
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drm_intel_gem_bo_unmap_gtt(my_buf->bo);
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}
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#elif HAVE_LIBDRM_FREEDRENO
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#define ALIGN(v, a) ((v + a - 1) & ~(a - 1))
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static
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int fd_alloc_bo(struct buffer *buf)
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{
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int flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE;
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int size = buf->width * buf->height * buf->bpp / 8;
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buf->fd_dev = fd_device_new(buf->drm_fd);
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buf->bo = fd_bo_new(buf->fd_dev, size, flags);
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if (!buf->bo)
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return 0;
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buf->stride = ALIGN(buf->width, 32) * buf->bpp / 8;
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return 1;
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}
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static
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void fd_free_bo(struct buffer *buf)
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{
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fd_bo_del(buf->bo);
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}
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static
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int fd_bo_export_to_prime(struct buffer *buf)
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{
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buf->dmabuf_fd = fd_bo_dmabuf(buf->bo);
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if (buf->dmabuf_fd > 0)
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return 0;
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return 1;
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}
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static
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int fd_map_bo(struct buffer *buf)
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{
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buf->mmap = fd_bo_map(buf->bo);
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if (buf->mmap != NULL)
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return 1;
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return 0;
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}
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static
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void fd_unmap_bo(struct buffer *buf)
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{
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}
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#endif
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static void
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fill_content(struct buffer *my_buf)
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{
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@ -194,11 +259,78 @@ fill_content(struct buffer *my_buf)
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}
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static void
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unmap_bo(struct buffer *my_buf)
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drm_device_destroy(struct buffer *buf)
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{
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drm_intel_gem_bo_unmap_gtt(my_buf->bo);
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#ifdef HAVE_LIBDRM_INTEL
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drm_intel_bufmgr_destroy(buf->bufmgr);
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#elif HAVE_LIBDRM_FREEDRENO
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fd_device_del(buf->fd_dev);
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#endif
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close(buf->drm_fd);
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}
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static int
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drm_device_init(struct buffer *buf)
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{
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struct drm_device *dev = calloc(1, sizeof(struct drm_device));
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drmVersionPtr version = drmGetVersion(buf->drm_fd);
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dev->fd = buf->drm_fd;
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dev->name = strdup(version->name);
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if (0) {
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/* nothing */
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}
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#ifdef HAVE_LIBDRM_INTEL
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else if (!strcmp(dev->name, "i915")) {
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buf->bufmgr = drm_intel_bufmgr_gem_init(buf->drm_fd, 32);
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if (!buf->bufmgr)
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return 0;
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dev->alloc_bo = intel_alloc_bo;
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dev->free_bo = intel_free_bo;
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dev->export_bo_to_prime = intel_bo_export_to_prime;
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dev->map_bo = intel_map_bo;
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dev->unmap_bo = intel_unmap_bo;
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}
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#elif HAVE_LIBDRM_FREEDRENO
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else if (!strcmp(dev->name, "msm")) {
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dev->alloc_bo = fd_alloc_bo;
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dev->free_bo = fd_free_bo;
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dev->export_bo_to_prime = fd_bo_export_to_prime;
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dev->map_bo = fd_map_bo;
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dev->unmap_bo = fd_unmap_bo;
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}
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#endif
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else {
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fprintf(stderr, "Error: drm device %s unsupported.\n",
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dev->name);
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free(dev);
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return 0;
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}
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buf->dev = dev;
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return 1;
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}
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static int
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drm_connect(struct buffer *my_buf)
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{
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/* This won't work with card0 as we need to be authenticated; instead,
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* boot with drm.rnodes=1 and use that. */
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my_buf->drm_fd = open("/dev/dri/renderD128", O_RDWR);
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if (my_buf->drm_fd < 0)
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return 0;
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return drm_device_init(my_buf);
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}
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static void
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drm_shutdown(struct buffer *my_buf)
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{
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drm_device_destroy(my_buf);
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}
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static void
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create_succeeded(void *data,
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struct zwp_linux_buffer_params_v1 *params,
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@ -237,30 +369,32 @@ create_dmabuf_buffer(struct display *display, struct buffer *buffer,
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struct zwp_linux_buffer_params_v1 *params;
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uint64_t modifier;
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uint32_t flags;
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struct drm_device *drm_dev;
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if (!drm_connect(buffer)) {
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fprintf(stderr, "drm_connect failed\n");
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goto error;
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}
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drm_dev = buffer->dev;
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buffer->width = width;
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buffer->height = height;
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buffer->bpp = 32; /* hardcoded XRGB8888 format */
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if (!alloc_bo(buffer)) {
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if (!drm_dev->alloc_bo(buffer)) {
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fprintf(stderr, "alloc_bo failed\n");
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goto error1;
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}
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if (!map_bo(buffer)) {
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if (!drm_dev->map_bo(buffer)) {
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fprintf(stderr, "map_bo failed\n");
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goto error2;
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}
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fill_content(buffer);
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unmap_bo(buffer);
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drm_dev->unmap_bo(buffer);
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if (drm_intel_bo_gem_export_to_prime(buffer->bo, &buffer->dmabuf_fd) != 0) {
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fprintf(stderr, "drm_intel_bo_gem_export_to_prime failed\n");
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if (drm_dev->export_bo_to_prime(buffer) != 0) {
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fprintf(stderr, "gem_export_to_prime failed\n");
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goto error2;
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}
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if (buffer->dmabuf_fd < 0) {
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@ -301,7 +435,7 @@ create_dmabuf_buffer(struct display *display, struct buffer *buffer,
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return 0;
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error2:
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free_bo(buffer);
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drm_dev->free_bo(buffer);
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error1:
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drm_shutdown(buffer);
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error:
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@ -405,6 +539,7 @@ create_window(struct display *display, int width, int height)
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static void
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destroy_window(struct window *window)
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{
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struct drm_device* dev;
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int i;
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if (window->callback)
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@ -415,7 +550,8 @@ destroy_window(struct window *window)
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continue;
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wl_buffer_destroy(window->buffers[i].buffer);
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free_bo(&window->buffers[i]);
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dev = window->buffers[i].dev;
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dev->free_bo(&window->buffers[i]);
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close(window->buffers[i].dmabuf_fd);
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drm_shutdown(&window->buffers[i]);
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}
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@ -475,16 +611,26 @@ static const struct wl_callback_listener frame_listener = {
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};
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static void
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dmabuf_format(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf, uint32_t format)
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dmabuf_modifiers(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf,
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uint32_t format, uint32_t modifier_hi, uint32_t modifier_lo)
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{
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struct display *d = data;
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if (format == DRM_FORMAT_XRGB8888)
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d->xrgb8888_format_found = 1;
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/* XXX: do something useful with modifiers */
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}
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static void
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dmabuf_format(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf, uint32_t format)
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{
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/* XXX: will be deprecated. */
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}
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static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
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dmabuf_format
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dmabuf_format,
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dmabuf_modifiers
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};
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static void
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19
configure.ac
19
configure.ac
@ -385,12 +385,21 @@ AC_ARG_ENABLE(simple-dmabuf-drm-client,
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[do not build the simple dmabuf drm client]),,
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enable_simple_dmabuf_drm_client="auto")
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if ! test "x$enable_simple_dmabuf_drm_client" = "xno"; then
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PKG_CHECK_MODULES(SIMPLE_DMABUF_DRM_CLIENT, [wayland-client libdrm libdrm_intel],
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have_simple_dmabuf_drm_client=yes, have_simple_dmabuf_drm_client=no)
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if test "x$have_simple_dmabuf_drm_client" = "xno" -a "x$enable_simple_dmabuf_drm_client" = "xyes"; then
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AC_MSG_ERROR([DRM dmabuf client explicitly enabled, but libdrm_intel couldn't be found])
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PKG_CHECK_MODULES(SIMPLE_DMABUF_DRM_CLIENT, [wayland-client libdrm],
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[PKG_CHECK_MODULES(LIBDRM_PLATFORM, [libdrm_freedreno],
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AC_DEFINE([HAVE_LIBDRM_FREEDRENO], [1], [Build freedreno dmabuf client]) have_simple_dmabuf_drm_client=freedreno,
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[PKG_CHECK_MODULES(LIBDRM_PLATFORM, [libdrm_intel],
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AC_DEFINE([HAVE_LIBDRM_INTEL], [1], [Build intel dmabuf client]) have_simple_dmabuf_drm_client=intel,
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have_simple_dmabuf_drm_client=unsupported)])],
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have_simple_dmabuf_drm_client=unsupported)
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if test "x$have_simple_dmabuf_drm_client" = "xunsupported" -a "x$enable_simple_dmabuf_drm_client" = "xyes"; then
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AC_MSG_ERROR([DRM dmabuf client explicitly enabled, but libdrm_intel or libdrm_freedreno not found])
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fi
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if test "x$have_simple_dmabuf_drm_client" = "xfreedreno" -o "x$have_simple_dmabuf_drm_client" = "xintel"; then
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enable_simple_dmabuf_drm_client="yes"
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fi
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enable_simple_dmabuf_drm_client="$have_simple_dmabuf_drm_client"
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fi
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AM_CONDITIONAL(BUILD_SIMPLE_DMABUF_DRM_CLIENT, test "x$enable_simple_dmabuf_drm_client" = "xyes")
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