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virtio-gpu: add 3d mode and virgl rendering support.

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Add virglrenderer library detection.  Add 3d mode to virtio-gpu,
wire up virglrenderer library.  When in 3d mode render using the
new context management and texture scanout callbacks.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-07-11 12:51:43 +02:00
parent bc79e96442
commit 9d9e152136
6 changed files with 792 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
configure vendored
View File

@ -331,6 +331,7 @@ gtkabi=""
gnutls=""
gnutls_hash=""
vte=""
virglrenderer=""
tpm="yes"
libssh2=""
vhdx=""
@ -1122,6 +1123,10 @@ for opt do
;;
--enable-vte) vte="yes"
;;
--disable-virglrenderer) virglrenderer="no"
;;
--enable-virglrenderer) virglrenderer="yes"
;;
--disable-tpm) tpm="no"
;;
--enable-tpm) tpm="yes"
@ -3966,6 +3971,27 @@ EOF
fi
fi
##########################################
# virgl renderer probe
if test "$virglrenderer" != "no" ; then
cat > $TMPC << EOF
#include <virglrenderer.h>
int main(void) { virgl_renderer_poll(); return 0; }
EOF
virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
if $pkg_config virglrenderer >/dev/null 2>&1 && \
compile_prog "$virgl_cflags" "$virgl_libs" ; then
virglrenderer="yes"
else
if test "$virglrenderer" = "yes" ; then
feature_not_found "virglrenderer"
fi
virglrenderer="no"
fi
fi
##########################################
# check if we have fdatasync
@ -4583,6 +4609,7 @@ echo "GNUTLS nettle $gnutls_nettle ${gnutls_nettle+($nettle_version)}"
echo "libtasn1 $tasn1"
echo "VTE support $vte"
echo "curses support $curses"
echo "virgl support $virglrenderer"
echo "curl support $curl"
echo "mingw32 support $mingw32"
echo "Audio drivers $audio_drv_list"
@ -4955,6 +4982,11 @@ if test "$vte" = "yes" ; then
echo "CONFIG_VTE=y" >> $config_host_mak
echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
fi
if test "$virglrenderer" = "yes" ; then
echo "CONFIG_VIRGL=y" >> $config_host_mak
echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
fi
if test "$xen" = "yes" ; then
echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak

6
hw/display/Makefile.objs
View File

@ -35,6 +35,10 @@ obj-$(CONFIG_VGA) += vga.o
common-obj-$(CONFIG_QXL) += qxl.o qxl-logger.o qxl-render.o
obj-$(CONFIG_VIRTIO) += virtio-gpu.o
obj-$(CONFIG_VIRTIO) += virtio-gpu.o virtio-gpu-3d.o
obj-$(CONFIG_VIRTIO_PCI) += virtio-gpu-pci.o
obj-$(CONFIG_VIRTIO_VGA) += virtio-vga.o
virtio-gpu.o-cflags := $(VIRGL_CFLAGS)
virtio-gpu.o-libs += $(VIRGL_LIBS)
virtio-gpu-3d.o-cflags := $(VIRGL_CFLAGS)
virtio-gpu-3d.o-libs += $(VIRGL_LIBS)

598
hw/display/virtio-gpu-3d.c Normal file
View File

@ -0,0 +1,598 @@
/*
* Virtio GPU Device
*
* Copyright Red Hat, Inc. 2013-2014
*
* Authors:
* Dave Airlie <airlied@redhat.com>
* Gerd Hoffmann <kraxel@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu-common.h"
#include "qemu/iov.h"
#include "trace.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-gpu.h"
#ifdef CONFIG_VIRGL
#include "virglrenderer.h"
static struct virgl_renderer_callbacks virtio_gpu_3d_cbs;
static void virgl_cmd_create_resource_2d(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_resource_create_2d c2d;
struct virgl_renderer_resource_create_args args;
VIRTIO_GPU_FILL_CMD(c2d);
trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format,
c2d.width, c2d.height);
args.handle = c2d.resource_id;
args.target = 2;
args.format = c2d.format;
args.bind = (1 << 1);
args.width = c2d.width;
args.height = c2d.height;
args.depth = 1;
args.array_size = 1;
args.last_level = 0;
args.nr_samples = 0;
args.flags = VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP;
virgl_renderer_resource_create(&args, NULL, 0);
}
static void virgl_cmd_create_resource_3d(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_resource_create_3d c3d;
struct virgl_renderer_resource_create_args args;
VIRTIO_GPU_FILL_CMD(c3d);
trace_virtio_gpu_cmd_res_create_3d(c3d.resource_id, c3d.format,
c3d.width, c3d.height, c3d.depth);
args.handle = c3d.resource_id;
args.target = c3d.target;
args.format = c3d.format;
args.bind = c3d.bind;
args.width = c3d.width;
args.height = c3d.height;
args.depth = c3d.depth;
args.array_size = c3d.array_size;
args.last_level = c3d.last_level;
args.nr_samples = c3d.nr_samples;
args.flags = c3d.flags;
virgl_renderer_resource_create(&args, NULL, 0);
}
static void virgl_cmd_resource_unref(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_resource_unref unref;
VIRTIO_GPU_FILL_CMD(unref);
trace_virtio_gpu_cmd_res_unref(unref.resource_id);
virgl_renderer_resource_unref(unref.resource_id);
}
static void virgl_cmd_context_create(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_ctx_create cc;
VIRTIO_GPU_FILL_CMD(cc);
trace_virtio_gpu_cmd_ctx_create(cc.hdr.ctx_id,
cc.debug_name);
virgl_renderer_context_create(cc.hdr.ctx_id, cc.nlen,
cc.debug_name);
}
static void virgl_cmd_context_destroy(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_ctx_destroy cd;
VIRTIO_GPU_FILL_CMD(cd);
trace_virtio_gpu_cmd_ctx_destroy(cd.hdr.ctx_id);
virgl_renderer_context_destroy(cd.hdr.ctx_id);
}
static void virtio_gpu_rect_update(VirtIOGPU *g, int idx, int x, int y,
int width, int height)
{
if (!g->scanout[idx].con) {
return;
}
dpy_gl_update(g->scanout[idx].con, x, y, width, height);
}
static void virgl_cmd_resource_flush(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_resource_flush rf;
int i;
VIRTIO_GPU_FILL_CMD(rf);
trace_virtio_gpu_cmd_res_flush(rf.resource_id,
rf.r.width, rf.r.height, rf.r.x, rf.r.y);
for (i = 0; i < VIRTIO_GPU_MAX_SCANOUT; i++) {
if (g->scanout[i].resource_id != rf.resource_id) {
continue;
}
virtio_gpu_rect_update(g, i, rf.r.x, rf.r.y, rf.r.width, rf.r.height);
}
}
static void virgl_cmd_set_scanout(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_set_scanout ss;
struct virgl_renderer_resource_info info;
int ret;
VIRTIO_GPU_FILL_CMD(ss);
trace_virtio_gpu_cmd_set_scanout(ss.scanout_id, ss.resource_id,
ss.r.width, ss.r.height, ss.r.x, ss.r.y);
if (ss.scanout_id >= VIRTIO_GPU_MAX_SCANOUT) {
qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %d",
__func__, ss.scanout_id);
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID;
return;
}
g->enable = 1;
memset(&info, 0, sizeof(info));
if (ss.resource_id && ss.r.width && ss.r.height) {
ret = virgl_renderer_resource_get_info(ss.resource_id, &info);
if (ret == -1) {
qemu_log_mask(LOG_GUEST_ERROR,
"%s: illegal resource specified %d\n",
__func__, ss.resource_id);
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
return;
}
qemu_console_resize(g->scanout[ss.scanout_id].con,
ss.r.width, ss.r.height);
virgl_renderer_force_ctx_0();
dpy_gl_scanout(g->scanout[ss.scanout_id].con, info.tex_id,
info.flags & 1 /* FIXME: Y_0_TOP */,
ss.r.x, ss.r.y, ss.r.width, ss.r.height);
} else {
if (ss.scanout_id != 0) {
dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, NULL);
}
dpy_gl_scanout(g->scanout[ss.scanout_id].con, 0, false,
0, 0, 0, 0);
}
g->scanout[ss.scanout_id].resource_id = ss.resource_id;
}
static void virgl_cmd_submit_3d(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_cmd_submit cs;
void *buf;
size_t s;
VIRTIO_GPU_FILL_CMD(cs);
trace_virtio_gpu_cmd_ctx_submit(cs.hdr.ctx_id, cs.size);
buf = g_malloc(cs.size);
s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num,
sizeof(cs), buf, cs.size);
if (s != cs.size) {
qemu_log_mask(LOG_GUEST_ERROR, "%s: size mismatch (%zd/%d)",
__func__, s, cs.size);
cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
return;
}
if (virtio_gpu_stats_enabled(g->conf)) {
g->stats.req_3d++;
g->stats.bytes_3d += cs.size;
}
virgl_renderer_submit_cmd(buf, cs.hdr.ctx_id, cs.size / 4);
g_free(buf);
}
static void virgl_cmd_transfer_to_host_2d(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_transfer_to_host_2d t2d;
struct virtio_gpu_box box;
VIRTIO_GPU_FILL_CMD(t2d);
trace_virtio_gpu_cmd_res_xfer_toh_2d(t2d.resource_id);
box.x = t2d.r.x;
box.y = t2d.r.y;
box.z = 0;
box.w = t2d.r.width;
box.h = t2d.r.height;
box.d = 1;
virgl_renderer_transfer_write_iov(t2d.resource_id,
0,
0,
0,
0,
(struct virgl_box *)&box,
t2d.offset, NULL, 0);
}
static void virgl_cmd_transfer_to_host_3d(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_transfer_host_3d t3d;
VIRTIO_GPU_FILL_CMD(t3d);
trace_virtio_gpu_cmd_res_xfer_toh_3d(t3d.resource_id);
virgl_renderer_transfer_write_iov(t3d.resource_id,
t3d.hdr.ctx_id,
t3d.level,
t3d.stride,
t3d.layer_stride,
(struct virgl_box *)&t3d.box,
t3d.offset, NULL, 0);
}
static void
virgl_cmd_transfer_from_host_3d(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_transfer_host_3d tf3d;
VIRTIO_GPU_FILL_CMD(tf3d);
trace_virtio_gpu_cmd_res_xfer_fromh_3d(tf3d.resource_id);
virgl_renderer_transfer_read_iov(tf3d.resource_id,
tf3d.hdr.ctx_id,
tf3d.level,
tf3d.stride,
tf3d.layer_stride,
(struct virgl_box *)&tf3d.box,
tf3d.offset, NULL, 0);
}
static void virgl_resource_attach_backing(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_resource_attach_backing att_rb;
struct iovec *res_iovs;
int ret;
VIRTIO_GPU_FILL_CMD(att_rb);
trace_virtio_gpu_cmd_res_back_attach(att_rb.resource_id);
ret = virtio_gpu_create_mapping_iov(&att_rb, cmd, &res_iovs);
if (ret != 0) {
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
return;
}
virgl_renderer_resource_attach_iov(att_rb.resource_id,
res_iovs, att_rb.nr_entries);
}
static void virgl_resource_detach_backing(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_resource_detach_backing detach_rb;
struct iovec *res_iovs = NULL;
int num_iovs = 0;
VIRTIO_GPU_FILL_CMD(detach_rb);
trace_virtio_gpu_cmd_res_back_detach(detach_rb.resource_id);
virgl_renderer_resource_detach_iov(detach_rb.resource_id,
&res_iovs,
&num_iovs);
if (res_iovs == NULL || num_iovs == 0) {
return;
}
virtio_gpu_cleanup_mapping_iov(res_iovs, num_iovs);
}
static void virgl_cmd_ctx_attach_resource(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_ctx_resource att_res;
VIRTIO_GPU_FILL_CMD(att_res);
trace_virtio_gpu_cmd_ctx_res_attach(att_res.hdr.ctx_id,
att_res.resource_id);
virgl_renderer_ctx_attach_resource(att_res.hdr.ctx_id, att_res.resource_id);
}
static void virgl_cmd_ctx_detach_resource(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_ctx_resource det_res;
VIRTIO_GPU_FILL_CMD(det_res);
trace_virtio_gpu_cmd_ctx_res_detach(det_res.hdr.ctx_id,
det_res.resource_id);
virgl_renderer_ctx_detach_resource(det_res.hdr.ctx_id, det_res.resource_id);
}
static void virgl_cmd_get_capset_info(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_get_capset_info info;
struct virtio_gpu_resp_capset_info resp;
VIRTIO_GPU_FILL_CMD(info);
if (info.capset_index == 0) {
resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL;
virgl_renderer_get_cap_set(resp.capset_id,
&resp.capset_max_version,
&resp.capset_max_size);
} else {
resp.capset_max_version = 0;
resp.capset_max_size = 0;
}
resp.hdr.type = VIRTIO_GPU_RESP_OK_CAPSET_INFO;
virtio_gpu_ctrl_response(g, cmd, &resp.hdr, sizeof(resp));
}
static void virgl_cmd_get_capset(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
struct virtio_gpu_get_capset gc;
struct virtio_gpu_resp_capset *resp;
uint32_t max_ver, max_size;
VIRTIO_GPU_FILL_CMD(gc);
virgl_renderer_get_cap_set(gc.capset_id, &max_ver,
&max_size);
resp = g_malloc(sizeof(*resp) + max_size);
resp->hdr.type = VIRTIO_GPU_RESP_OK_CAPSET;
virgl_renderer_fill_caps(gc.capset_id,
gc.capset_version,
(void *)resp->capset_data);
virtio_gpu_ctrl_response(g, cmd, &resp->hdr, sizeof(*resp) + max_size);
g_free(resp);
}
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr);
virgl_renderer_force_ctx_0();
switch (cmd->cmd_hdr.type) {
case VIRTIO_GPU_CMD_CTX_CREATE:
virgl_cmd_context_create(g, cmd);
break;
case VIRTIO_GPU_CMD_CTX_DESTROY:
virgl_cmd_context_destroy(g, cmd);
break;
case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D:
virgl_cmd_create_resource_2d(g, cmd);
break;
case VIRTIO_GPU_CMD_RESOURCE_CREATE_3D:
virgl_cmd_create_resource_3d(g, cmd);
break;
case VIRTIO_GPU_CMD_SUBMIT_3D:
virgl_cmd_submit_3d(g, cmd);
break;
case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D:
virgl_cmd_transfer_to_host_2d(g, cmd);
break;
case VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D:
virgl_cmd_transfer_to_host_3d(g, cmd);
break;
case VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D:
virgl_cmd_transfer_from_host_3d(g, cmd);
break;
case VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING:
virgl_resource_attach_backing(g, cmd);
break;
case VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING:
virgl_resource_detach_backing(g, cmd);
break;
case VIRTIO_GPU_CMD_SET_SCANOUT:
virgl_cmd_set_scanout(g, cmd);
break;
case VIRTIO_GPU_CMD_RESOURCE_FLUSH:
virgl_cmd_resource_flush(g, cmd);
break;
case VIRTIO_GPU_CMD_RESOURCE_UNREF:
virgl_cmd_resource_unref(g, cmd);
break;
case VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE:
/* TODO add security */
virgl_cmd_ctx_attach_resource(g, cmd);
break;
case VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE:
/* TODO add security */
virgl_cmd_ctx_detach_resource(g, cmd);
break;
case VIRTIO_GPU_CMD_GET_CAPSET_INFO:
virgl_cmd_get_capset_info(g, cmd);
break;
case VIRTIO_GPU_CMD_GET_CAPSET:
virgl_cmd_get_capset(g, cmd);
break;
case VIRTIO_GPU_CMD_GET_DISPLAY_INFO:
virtio_gpu_get_display_info(g, cmd);
break;
default:
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
break;
}
if (cmd->finished) {
return;
}
if (cmd->error) {
fprintf(stderr, "%s: ctrl 0x%x, error 0x%x\n", __func__,
cmd->cmd_hdr.type, cmd->error);
virtio_gpu_ctrl_response_nodata(g, cmd, cmd->error);
return;
}
if (!(cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE)) {
virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA);
return;
}
trace_virtio_gpu_fence_ctrl(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type);
virgl_renderer_create_fence(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type);
}
static void virgl_write_fence(void *opaque, uint32_t fence)
{
VirtIOGPU *g = opaque;
struct virtio_gpu_ctrl_command *cmd, *tmp;
QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) {
/*
* the guest can end up emitting fences out of order
* so we should check all fenced cmds not just the first one.
*/
if (cmd->cmd_hdr.fence_id > fence) {
continue;
}
trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id);
virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA);
QTAILQ_REMOVE(&g->fenceq, cmd, next);
g_free(cmd);
g->inflight--;
if (virtio_gpu_stats_enabled(g->conf)) {
fprintf(stderr, "inflight: %3d (-)\r", g->inflight);
}
}
}
static virgl_renderer_gl_context
virgl_create_context(void *opaque, int scanout_idx,
struct virgl_renderer_gl_ctx_param *params)
{
VirtIOGPU *g = opaque;
QEMUGLContext ctx;
QEMUGLParams qparams;
qparams.major_ver = params->major_ver;
qparams.minor_ver = params->minor_ver;
ctx = dpy_gl_ctx_create(g->scanout[scanout_idx].con, &qparams);
return (virgl_renderer_gl_context)ctx;
}
static void virgl_destroy_context(void *opaque, virgl_renderer_gl_context ctx)
{
VirtIOGPU *g = opaque;
QEMUGLContext qctx = (QEMUGLContext)ctx;
dpy_gl_ctx_destroy(g->scanout[0].con, qctx);
}
static int virgl_make_context_current(void *opaque, int scanout_idx,
virgl_renderer_gl_context ctx)
{
VirtIOGPU *g = opaque;
QEMUGLContext qctx = (QEMUGLContext)ctx;
return dpy_gl_ctx_make_current(g->scanout[scanout_idx].con, qctx);
}
static struct virgl_renderer_callbacks virtio_gpu_3d_cbs = {
.version = 1,
.write_fence = virgl_write_fence,
.create_gl_context = virgl_create_context,
.destroy_gl_context = virgl_destroy_context,
.make_current = virgl_make_context_current,
};
static void virtio_gpu_print_stats(void *opaque)
{
VirtIOGPU *g = opaque;
if (g->stats.requests) {
fprintf(stderr, "stats: vq req %4d, %3d -- 3D %4d (%5d)\n",
g->stats.requests,
g->stats.max_inflight,
g->stats.req_3d,
g->stats.bytes_3d);
g->stats.requests = 0;
g->stats.max_inflight = 0;
g->stats.req_3d = 0;
g->stats.bytes_3d = 0;
} else {
fprintf(stderr, "stats: idle\r");
}
timer_mod(g->print_stats, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 1000);
}
static void virtio_gpu_fence_poll(void *opaque)
{
VirtIOGPU *g = opaque;
virgl_renderer_poll();
if (g->inflight) {
timer_mod(g->fence_poll, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 10);
}
}
void virtio_gpu_virgl_fence_poll(VirtIOGPU *g)
{
virtio_gpu_fence_poll(g);
}
void virtio_gpu_virgl_reset(VirtIOGPU *g)
{
int i;
/* virgl_renderer_reset() ??? */
for (i = 0; i < g->conf.max_outputs; i++) {
if (i != 0) {
dpy_gfx_replace_surface(g->scanout[i].con, NULL);
}
dpy_gl_scanout(g->scanout[i].con, 0, false, 0, 0, 0, 0);
}
}
int virtio_gpu_virgl_init(VirtIOGPU *g)
{
int ret;
ret = virgl_renderer_init(g, 0, &virtio_gpu_3d_cbs);
if (ret != 0) {
return ret;
}
g->fence_poll = timer_new_ms(QEMU_CLOCK_VIRTUAL,
virtio_gpu_fence_poll, g);
if (virtio_gpu_stats_enabled(g->conf)) {
g->print_stats = timer_new_ms(QEMU_CLOCK_VIRTUAL,
virtio_gpu_print_stats, g);
timer_mod(g->print_stats, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 1000);
}
return 0;
}
#endif /* CONFIG_VIRGL */

131
hw/display/virtio-gpu.c
View File

@ -22,6 +22,23 @@
static struct virtio_gpu_simple_resource*
virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
#ifdef CONFIG_VIRGL
#include "virglrenderer.h"
#define VIRGL(_g, _virgl, _simple, ...) \
do { \
if (_g->use_virgl_renderer) { \
_virgl(__VA_ARGS__); \
} else { \
_simple(__VA_ARGS__); \
} \
} while (0)
#else
#define VIRGL(_g, _virgl, _simple, ...) \
do { \
_simple(__VA_ARGS__); \
} while (0)
#endif
static void update_cursor_data_simple(VirtIOGPU *g,
struct virtio_gpu_scanout *s,
uint32_t resource_id)
@ -45,6 +62,32 @@ static void update_cursor_data_simple(VirtIOGPU *g,
pixels * sizeof(uint32_t));
}
#ifdef CONFIG_VIRGL
static void update_cursor_data_virgl(VirtIOGPU *g,
struct virtio_gpu_scanout *s,
uint32_t resource_id)
{
uint32_t width, height;
uint32_t pixels, *data;
data = virgl_renderer_get_cursor_data(resource_id, &width, &height);
if (!data) {
return;
}
if (width != s->current_cursor->width ||
height != s->current_cursor->height) {
return;
}
pixels = s->current_cursor->width * s->current_cursor->height;
memcpy(s->current_cursor->data, data, pixels * sizeof(uint32_t));
free(data);
}
#endif
static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor)
{
struct virtio_gpu_scanout *s;
@ -63,7 +106,8 @@ static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor)
s->current_cursor->hot_y = cursor->hot_y;
if (cursor->resource_id > 0) {
update_cursor_data_simple(g, s, cursor->resource_id);
VIRGL(g, update_cursor_data_virgl, update_cursor_data_simple,
g, s, cursor->resource_id);
}
dpy_cursor_define(s->con, s->current_cursor);
}
@ -92,9 +136,23 @@ static void virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config)
static uint64_t virtio_gpu_get_features(VirtIODevice *vdev, uint64_t features,
Error **errp)
{
VirtIOGPU *g = VIRTIO_GPU(vdev);
if (virtio_gpu_virgl_enabled(g->conf)) {
features |= (1 << VIRTIO_GPU_FEATURE_VIRGL);
}
return features;
}
static void virtio_gpu_set_features(VirtIODevice *vdev, uint64_t features)
{
static const uint32_t virgl = (1 << VIRTIO_GPU_FEATURE_VIRGL);
VirtIOGPU *g = VIRTIO_GPU(vdev);
g->use_virgl_renderer = ((features & virgl) == virgl);
trace_virtio_gpu_features(g->use_virgl_renderer);
}
static void virtio_gpu_notify_event(VirtIOGPU *g, uint32_t event_type)
{
g->virtio_config.events_read |= event_type;
@ -698,25 +756,43 @@ static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq)
return;
}
#ifdef CONFIG_VIRGL
if (!g->renderer_inited && g->use_virgl_renderer) {
virtio_gpu_virgl_init(g);
g->renderer_inited = true;
}
#endif
cmd = g_new(struct virtio_gpu_ctrl_command, 1);
while (virtqueue_pop(vq, &cmd->elem)) {
cmd->vq = vq;
cmd->error = 0;
cmd->finished = false;
if (virtio_gpu_stats_enabled(g->conf)) {
g->stats.requests++;
}
virtio_gpu_simple_process_cmd(g, cmd);
VIRGL(g, virtio_gpu_virgl_process_cmd, virtio_gpu_simple_process_cmd,
g, cmd);
if (!cmd->finished) {
QTAILQ_INSERT_TAIL(&g->fenceq, cmd, next);
g->stats.inflight++;
if (g->stats.max_inflight < g->stats.inflight) {
g->stats.max_inflight = g->stats.inflight;
g->inflight++;
if (virtio_gpu_stats_enabled(g->conf)) {
if (g->stats.max_inflight < g->inflight) {
g->stats.max_inflight = g->inflight;
}
fprintf(stderr, "inflight: %3d (+)\r", g->inflight);
}
fprintf(stderr, "inflight: %3d (+)\r", g->stats.inflight);
cmd = g_new(struct virtio_gpu_ctrl_command, 1);
}
}
g_free(cmd);
#ifdef CONFIG_VIRGL
if (g->use_virgl_renderer) {
virtio_gpu_virgl_fence_poll(g);
}
#endif
}
static void virtio_gpu_ctrl_bh(void *opaque)
@ -803,6 +879,7 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
VirtIOGPU *g = VIRTIO_GPU(qdev);
bool have_virgl;
int i;
g->config_size = sizeof(struct virtio_gpu_config);
@ -813,8 +890,25 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
g->req_state[0].width = 1024;
g->req_state[0].height = 768;
g->use_virgl_renderer = false;
#if !defined(CONFIG_VIRGL) || defined(HOST_WORDS_BIGENDIAN)
have_virgl = false;
#else
have_virgl = display_opengl;
#endif
if (!have_virgl) {
g->conf.flags &= ~(1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED);
}
if (virtio_gpu_virgl_enabled(g->conf)) {
/* use larger control queue in 3d mode */
g->ctrl_vq = virtio_add_queue(vdev, 256, virtio_gpu_handle_ctrl_cb);
g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb);
g->virtio_config.num_capsets = 1;
} else {
g->ctrl_vq = virtio_add_queue(vdev, 64, virtio_gpu_handle_ctrl_cb);
g->cursor_vq = virtio_add_queue(vdev, 16, virtio_gpu_handle_cursor_cb);
}
g->ctrl_bh = qemu_bh_new(virtio_gpu_ctrl_bh, g);
g->cursor_bh = qemu_bh_new(virtio_gpu_cursor_bh, g);
@ -868,10 +962,23 @@ static void virtio_gpu_reset(VirtIODevice *vdev)
g->scanout[i].ds = NULL;
}
g->enabled_output_bitmask = 1;
#ifdef CONFIG_VIRGL
if (g->use_virgl_renderer) {
virtio_gpu_virgl_reset(g);
g->use_virgl_renderer = 0;
}
#endif
}
static Property virtio_gpu_properties[] = {
DEFINE_PROP_UINT32("max_outputs", VirtIOGPU, conf.max_outputs, 1),
#ifdef CONFIG_VIRGL
DEFINE_PROP_BIT("virgl", VirtIOGPU, conf.flags,
VIRTIO_GPU_FLAG_VIRGL_ENABLED, true),
DEFINE_PROP_BIT("stats", VirtIOGPU, conf.flags,
VIRTIO_GPU_FLAG_STATS_ENABLED, false),
#endif
DEFINE_PROP_END_OF_LIST(),
};
@ -884,6 +991,7 @@ static void virtio_gpu_class_init(ObjectClass *klass, void *data)
vdc->get_config = virtio_gpu_get_config;
vdc->set_config = virtio_gpu_set_config;
vdc->get_features = virtio_gpu_get_features;
vdc->set_features = virtio_gpu_set_features;
vdc->reset = virtio_gpu_reset;
@ -916,3 +1024,14 @@ QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_mem_entry) != 16);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_attach_backing) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_detach_backing) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_display_info) != 408);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_transfer_host_3d) != 72);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resource_create_3d) != 72);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_create) != 96);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_destroy) != 24);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_ctx_resource) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_cmd_submit) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_get_capset_info) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_capset_info) != 40);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_get_capset) != 32);
QEMU_BUILD_BUG_ON(sizeof(struct virtio_gpu_resp_capset) != 24);

22
include/hw/virtio/virtio-gpu.h
View File

@ -56,8 +56,19 @@ struct virtio_gpu_requested_state {
int x, y;
};
enum virtio_gpu_conf_flags {
VIRTIO_GPU_FLAG_VIRGL_ENABLED = 1,
VIRTIO_GPU_FLAG_STATS_ENABLED,
};
#define virtio_gpu_virgl_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED))
#define virtio_gpu_stats_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED))
struct virtio_gpu_conf {
uint32_t max_outputs;
uint32_t flags;
};
struct virtio_gpu_ctrl_command {
@ -92,11 +103,13 @@ typedef struct VirtIOGPU {
int enabled_output_bitmask;
struct virtio_gpu_config virtio_config;
bool use_virgl_renderer;
bool renderer_inited;
QEMUTimer *fence_poll;
QEMUTimer *print_stats;
struct {
uint32_t inflight;
struct {
uint32_t max_inflight;
uint32_t requests;
uint32_t req_3d;
@ -139,4 +152,11 @@ int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab,
struct iovec **iov);
void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count);
/* virtio-gpu-3d.c */
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd);
void virtio_gpu_virgl_fence_poll(VirtIOGPU *g);
void virtio_gpu_virgl_reset(VirtIOGPU *g);
int virtio_gpu_virgl_init(VirtIOGPU *g);
#endif

8
trace-events
View File

@ -1181,6 +1181,7 @@ vmware_scratch_write(uint32_t index, uint32_t value) "index %d, value 0x%x"
vmware_setmode(uint32_t w, uint32_t h, uint32_t bpp) "%dx%d @ %d bpp"
# hw/display/virtio-gpu.c
virtio_gpu_features(bool virgl) "virgl %d"
virtio_gpu_cmd_get_display_info(void) ""
virtio_gpu_cmd_get_caps(void) ""
virtio_gpu_cmd_set_scanout(uint32_t id, uint32_t res, uint32_t w, uint32_t h, uint32_t x, uint32_t y) "id %d, res 0x%x, w %d, h %d, x %d, y %d"
@ -1190,7 +1191,14 @@ virtio_gpu_cmd_res_unref(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_back_attach(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_back_detach(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_xfer_toh_2d(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_xfer_toh_3d(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_xfer_fromh_3d(uint32_t res) "res 0x%x"
virtio_gpu_cmd_res_flush(uint32_t res, uint32_t w, uint32_t h, uint32_t x, uint32_t y) "res 0x%x, w %d, h %d, x %d, y %d"
virtio_gpu_cmd_ctx_create(uint32_t ctx, const char *name) "ctx 0x%x, name %s"
virtio_gpu_cmd_ctx_destroy(uint32_t ctx) "ctx 0x%x"
virtio_gpu_cmd_ctx_res_attach(uint32_t ctx, uint32_t res) "ctx 0x%x, res 0x%x"
virtio_gpu_cmd_ctx_res_detach(uint32_t ctx, uint32_t res) "ctx 0x%x, res 0x%x"
virtio_gpu_cmd_ctx_submit(uint32_t ctx, uint32_t size) "ctx 0x%x, size %d"
virtio_gpu_fence_ctrl(uint64_t fence, uint32_t type) "fence 0x%" PRIx64 ", type 0x%x"
virtio_gpu_fence_resp(uint64_t fence) "fence 0x%" PRIx64