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-rw-r--r--src/gallium/drivers/virgl/virgl_context.c46
-rw-r--r--src/gallium/drivers/virgl/virgl_screen.c12
-rw-r--r--src/gallium/drivers/virgl/virgl_winsys.h14
3 files changed, 62 insertions, 10 deletions
diff --git a/src/gallium/drivers/virgl/virgl_context.c b/src/gallium/drivers/virgl/virgl_context.c
index 96932c473d8..9be7775abd3 100644
--- a/src/gallium/drivers/virgl/virgl_context.c
+++ b/src/gallium/drivers/virgl/virgl_context.c
@@ -21,6 +21,7 @@
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <libsync.h>
#include "pipe/p_shader_tokens.h"
#include "pipe/p_context.h"
@@ -709,13 +710,20 @@ static void virgl_draw_vbo(struct pipe_context *ctx,
}
-static void virgl_flush_eq(struct virgl_context *ctx, void *closure)
+static void virgl_flush_eq(struct virgl_context *ctx, void *closure,
+ struct pipe_fence_handle **fence)
{
struct virgl_screen *rs = virgl_screen(ctx->base.screen);
+ int out_fence_fd = -1;
/* send the buffer to the remote side for decoding */
ctx->num_transfers = ctx->num_draws = 0;
- rs->vws->submit_cmd(rs->vws, ctx->cbuf);
+
+ rs->vws->submit_cmd(rs->vws, ctx->cbuf, ctx->cbuf->in_fence_fd,
+ ctx->cbuf->needs_out_fence_fd ? &out_fence_fd : NULL);
+
+ if (fence)
+ *fence = rs->vws->cs_create_fence(rs->vws, out_fence_fd);
virgl_encoder_set_sub_ctx(ctx, ctx->hw_sub_ctx_id);
@@ -728,11 +736,10 @@ static void virgl_flush_from_st(struct pipe_context *ctx,
enum pipe_flush_flags flags)
{
struct virgl_context *vctx = virgl_context(ctx);
- struct virgl_screen *rs = virgl_screen(ctx->screen);
struct virgl_buffer *buf, *tmp;
- if (fence)
- *fence = rs->vws->cs_create_fence(rs->vws);
+ if (flags & PIPE_FLUSH_FENCE_FD)
+ vctx->cbuf->needs_out_fence_fd = true;
LIST_FOR_EACH_ENTRY_SAFE(buf, tmp, &vctx->to_flush_bufs, flush_list) {
struct pipe_resource *res = &buf->base.u.b;
@@ -742,7 +749,13 @@ static void virgl_flush_from_st(struct pipe_context *ctx,
pipe_resource_reference(&res, NULL);
}
- virgl_flush_eq(vctx, vctx);
+ virgl_flush_eq(vctx, vctx, fence);
+
+ if (vctx->cbuf->in_fence_fd != -1) {
+ close(vctx->cbuf->in_fence_fd);
+ vctx->cbuf->in_fence_fd = -1;
+ }
+ vctx->cbuf->needs_out_fence_fd = false;
}
static struct pipe_sampler_view *virgl_create_sampler_view(struct pipe_context *ctx,
@@ -1016,6 +1029,23 @@ static void virgl_set_shader_buffers(struct pipe_context *ctx,
virgl_encode_set_shader_buffers(vctx, shader, start_slot, count, buffers);
}
+static void virgl_create_fence_fd(struct pipe_context *ctx,
+ struct pipe_fence_handle **fence, int fd)
+{
+ struct virgl_screen *rs = virgl_screen(ctx->screen);
+
+ *fence = rs->vws->cs_create_fence(rs->vws, fd);
+}
+
+static void virgl_fence_server_sync(struct pipe_context *ctx,
+ struct pipe_fence_handle *fence)
+{
+ struct virgl_context *vctx = virgl_context(ctx);
+ struct virgl_screen *rs = virgl_screen(ctx->screen);
+
+ rs->vws->fence_server_sync(rs->vws, vctx->cbuf, fence);
+}
+
static void virgl_set_shader_images(struct pipe_context *ctx,
enum pipe_shader_type shader,
unsigned start_slot, unsigned count,
@@ -1108,7 +1138,7 @@ virgl_context_destroy( struct pipe_context *ctx )
vctx->framebuffer.zsbuf = NULL;
vctx->framebuffer.nr_cbufs = 0;
virgl_encoder_destroy_sub_ctx(vctx, vctx->hw_sub_ctx_id);
- virgl_flush_eq(vctx, vctx);
+ virgl_flush_eq(vctx, vctx, NULL);
rs->vws->cmd_buf_destroy(vctx->cbuf);
if (vctx->uploader)
@@ -1244,6 +1274,8 @@ struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
vctx->base.resource_copy_region = virgl_resource_copy_region;
vctx->base.flush_resource = virgl_flush_resource;
vctx->base.blit = virgl_blit;
+ vctx->base.create_fence_fd = virgl_create_fence_fd;
+ vctx->base.fence_server_sync = virgl_fence_server_sync;
vctx->base.set_shader_buffers = virgl_set_shader_buffers;
vctx->base.set_hw_atomic_buffers = virgl_set_hw_atomic_buffers;
diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index e71883b06f1..8addbea9e4c 100644
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -340,7 +340,7 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_VIDEO_MEMORY:
return 0;
case PIPE_CAP_NATIVE_FENCE_FD:
- return 0;
+ return !!vscreen->vws->supports_fences;
default:
return u_pipe_screen_get_param_defaults(screen, param);
}
@@ -721,6 +721,15 @@ static boolean virgl_fence_finish(struct pipe_screen *screen,
return vws->fence_wait(vws, fence, timeout);
}
+static int virgl_fence_get_fd(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence)
+{
+ struct virgl_screen *vscreen = virgl_screen(screen);
+ struct virgl_winsys *vws = vscreen->vws;
+
+ return vws->fence_get_fd(vws, fence);
+}
+
static uint64_t
virgl_get_timestamp(struct pipe_screen *_screen)
{
@@ -765,6 +774,7 @@ virgl_create_screen(struct virgl_winsys *vws)
screen->base.fence_reference = virgl_fence_reference;
//screen->base.fence_signalled = virgl_fence_signalled;
screen->base.fence_finish = virgl_fence_finish;
+ screen->base.fence_get_fd = virgl_fence_get_fd;
virgl_init_screen_resource_functions(&screen->base);
diff --git a/src/gallium/drivers/virgl/virgl_winsys.h b/src/gallium/drivers/virgl/virgl_winsys.h
index 0e6cb7953f6..d13212c5e84 100644
--- a/src/gallium/drivers/virgl/virgl_winsys.h
+++ b/src/gallium/drivers/virgl/virgl_winsys.h
@@ -40,10 +40,13 @@ struct virgl_drm_caps {
struct virgl_cmd_buf {
unsigned cdw;
uint32_t *buf;
+ int in_fence_fd;
+ bool needs_out_fence_fd;
};
struct virgl_winsys {
unsigned pci_id;
+ int supports_fences; /* In/Out fences are supported */
void (*destroy)(struct virgl_winsys *vws);
@@ -83,7 +86,8 @@ struct virgl_winsys {
void (*cmd_buf_destroy)(struct virgl_cmd_buf *buf);
void (*emit_res)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf, struct virgl_hw_res *res, boolean write_buffer);
- int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf);
+ int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf,
+ int32_t in_fence_fd, int32_t *out_fence_fd);
boolean (*res_is_referenced)(struct virgl_winsys *vws,
struct virgl_cmd_buf *buf,
@@ -92,7 +96,7 @@ struct virgl_winsys {
int (*get_caps)(struct virgl_winsys *vws, struct virgl_drm_caps *caps);
/* fence */
- struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws);
+ struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws, int fd);
bool (*fence_wait)(struct virgl_winsys *vws,
struct pipe_fence_handle *fence,
uint64_t timeout);
@@ -107,6 +111,12 @@ struct virgl_winsys {
unsigned level, unsigned layer,
void *winsys_drawable_handle,
struct pipe_box *sub_box);
+ void (*fence_server_sync)(struct virgl_winsys *vws,
+ struct virgl_cmd_buf *cbuf,
+ struct pipe_fence_handle *fence);
+
+ int (*fence_get_fd)(struct virgl_winsys *vws,
+ struct pipe_fence_handle *fence);
};
/* this defaults all newer caps,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 07:13:28 +0000