From: Robert Beckett <bob.beckett@collabora.com>
Support displaying blob resources by handling SET_SCANOUT_BLOB
command.
Signed-by: Antonio Caggiano <antonio.caggiano@collabora.com>
Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Antonio Caggiano <quic_acaggian@quicinc.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
hw/display/virtio-gpu-virgl.c | 109 +++++++++++++++++++++++++++++++++
hw/display/virtio-gpu.c | 12 ++--
include/hw/virtio/virtio-gpu.h | 7 +++
3 files changed, 122 insertions(+), 6 deletions(-)
diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
index 3ffea478e723..60befab7efc2 100644
--- a/hw/display/virtio-gpu-virgl.c
+++ b/hw/display/virtio-gpu-virgl.c
@@ -17,6 +17,8 @@
#include "trace.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-gpu.h"
+#include "hw/virtio/virtio-gpu-bswap.h"
+#include "hw/virtio/virtio-gpu-pixman.h"
#include "ui/egl-helpers.h"
@@ -78,6 +80,7 @@ static void virgl_cmd_create_resource_2d(VirtIOGPU *g,
res->base.height = c2d.height;
res->base.format = c2d.format;
res->base.resource_id = c2d.resource_id;
+ res->base.dmabuf_fd = -1;
QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next);
args.handle = c2d.resource_id;
@@ -125,6 +128,7 @@ static void virgl_cmd_create_resource_3d(VirtIOGPU *g,
res->base.height = c3d.height;
res->base.format = c3d.format;
res->base.resource_id = c3d.resource_id;
+ res->base.dmabuf_fd = -1;
QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next);
args.handle = c3d.resource_id;
@@ -509,6 +513,106 @@ static void virgl_cmd_get_capset(VirtIOGPU *g,
g_free(resp);
}
+#if VIRGL_VERSION_MAJOR >= 1
+static void virgl_cmd_set_scanout_blob(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_framebuffer fb = { 0 };
+ struct virgl_renderer_resource_info info;
+ struct virtio_gpu_virgl_resource *res;
+ struct virtio_gpu_set_scanout_blob ss;
+ uint64_t fbend;
+
+ VIRTIO_GPU_FILL_CMD(ss);
+ virtio_gpu_scanout_blob_bswap(&ss);
+ trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id,
+ ss.r.width, ss.r.height, ss.r.x,
+ ss.r.y);
+
+ if (ss.scanout_id >= g->parent_obj.conf.max_outputs) {
+ 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;
+ }
+
+ if (ss.resource_id == 0) {
+ virtio_gpu_disable_scanout(g, ss.scanout_id);
+ return;
+ }
+
+ if (ss.width < 16 ||
+ ss.height < 16 ||
+ ss.r.x + ss.r.width > ss.width ||
+ ss.r.y + ss.r.height > ss.height) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for"
+ " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n",
+ __func__, ss.scanout_id, ss.resource_id,
+ ss.r.x, ss.r.y, ss.r.width, ss.r.height,
+ ss.width, ss.height);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
+ return;
+ }
+
+ res = virtio_gpu_virgl_find_resource(g, ss.resource_id);
+ if (!res) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
+ __func__, ss.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+ if (virgl_renderer_resource_get_info(ss.resource_id, &info)) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not have info %d\n",
+ __func__, ss.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+ if (res->base.dmabuf_fd < 0) {
+ res->base.dmabuf_fd = info.fd;
+ }
+ if (res->base.dmabuf_fd < 0) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource not backed by dmabuf %d\n",
+ __func__, ss.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ fb.format = virtio_gpu_get_pixman_format(ss.format);
+ if (!fb.format) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: pixel format not supported %d\n",
+ __func__, ss.format);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
+ return;
+ }
+
+ fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8);
+ fb.width = ss.width;
+ fb.height = ss.height;
+ fb.stride = ss.strides[0];
+ fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride;
+
+ fbend = fb.offset;
+ fbend += fb.stride * (ss.r.height - 1);
+ fbend += fb.bytes_pp * ss.r.width;
+ if (fbend > res->base.blob_size) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: fb end out of range\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
+ return;
+ }
+
+ g->parent_obj.enable = 1;
+ if (virtio_gpu_update_dmabuf(g, ss.scanout_id, &res->base, &fb, &ss.r)) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to update dmabuf\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
+ return;
+ }
+
+ virtio_gpu_update_scanout(g, ss.scanout_id, &res->base, &fb, &ss.r);
+}
+#endif
+
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
@@ -575,6 +679,11 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
case VIRTIO_GPU_CMD_GET_EDID:
virtio_gpu_get_edid(g, cmd);
break;
+#if VIRGL_VERSION_MAJOR >= 1
+ case VIRTIO_GPU_CMD_SET_SCANOUT_BLOB:
+ virgl_cmd_set_scanout_blob(g, cmd);
+ break;
+#endif
default:
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
break;
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 40a9d089710c..95091c4b7924 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -380,7 +380,7 @@ static void virtio_gpu_resource_create_blob(VirtIOGPU *g,
QTAILQ_INSERT_HEAD(&g->reslist, res, next);
}
-static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id)
+void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id)
{
struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id];
struct virtio_gpu_simple_resource *res;
@@ -597,11 +597,11 @@ static void virtio_unref_resource(pixman_image_t *image, void *data)
pixman_image_unref(data);
}
-static void virtio_gpu_update_scanout(VirtIOGPU *g,
- uint32_t scanout_id,
- struct virtio_gpu_simple_resource *res,
- struct virtio_gpu_framebuffer *fb,
- struct virtio_gpu_rect *r)
+void virtio_gpu_update_scanout(VirtIOGPU *g,
+ uint32_t scanout_id,
+ struct virtio_gpu_simple_resource *res,
+ struct virtio_gpu_framebuffer *fb,
+ struct virtio_gpu_rect *r)
{
struct virtio_gpu_simple_resource *ores;
struct virtio_gpu_scanout *scanout;
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 6e71d799e5da..1e9257005b76 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -338,6 +338,13 @@ int virtio_gpu_update_dmabuf(VirtIOGPU *g,
struct virtio_gpu_framebuffer *fb,
struct virtio_gpu_rect *r);
+void virtio_gpu_update_scanout(VirtIOGPU *g,
+ uint32_t scanout_id,
+ struct virtio_gpu_simple_resource *res,
+ struct virtio_gpu_framebuffer *fb,
+ struct virtio_gpu_rect *r);
+void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id);
+
/* virtio-gpu-3d.c */
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd);
--
2.45.2On 2024/06/23 6:55, Dmitry Osipenko wrote:
> From: Robert Beckett <bob.beckett@collabora.com>
>
> Support displaying blob resources by handling SET_SCANOUT_BLOB
> command.
>
> Signed-by: Antonio Caggiano <antonio.caggiano@collabora.com>
> Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
> Signed-off-by: Huang Rui <ray.huang@amd.com>
> Reviewed-by: Antonio Caggiano <quic_acaggian@quicinc.com>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
> ---
> hw/display/virtio-gpu-virgl.c | 109 +++++++++++++++++++++++++++++++++
> hw/display/virtio-gpu.c | 12 ++--
> include/hw/virtio/virtio-gpu.h | 7 +++
> 3 files changed, 122 insertions(+), 6 deletions(-)
>
> diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
> index 3ffea478e723..60befab7efc2 100644
> --- a/hw/display/virtio-gpu-virgl.c
> +++ b/hw/display/virtio-gpu-virgl.c
> @@ -17,6 +17,8 @@
> #include "trace.h"
> #include "hw/virtio/virtio.h"
> #include "hw/virtio/virtio-gpu.h"
> +#include "hw/virtio/virtio-gpu-bswap.h"
> +#include "hw/virtio/virtio-gpu-pixman.h"
>
> #include "ui/egl-helpers.h"
>
> @@ -78,6 +80,7 @@ static void virgl_cmd_create_resource_2d(VirtIOGPU *g,
> res->base.height = c2d.height;
> res->base.format = c2d.format;
> res->base.resource_id = c2d.resource_id;
> + res->base.dmabuf_fd = -1;
> QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next);
>
> args.handle = c2d.resource_id;
> @@ -125,6 +128,7 @@ static void virgl_cmd_create_resource_3d(VirtIOGPU *g,
> res->base.height = c3d.height;
> res->base.format = c3d.format;
> res->base.resource_id = c3d.resource_id;
> + res->base.dmabuf_fd = -1;
> QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next);
>
> args.handle = c3d.resource_id;
> @@ -509,6 +513,106 @@ static void virgl_cmd_get_capset(VirtIOGPU *g,
> g_free(resp);
> }
>
> +#if VIRGL_VERSION_MAJOR >= 1
> +static void virgl_cmd_set_scanout_blob(VirtIOGPU *g,
> + struct virtio_gpu_ctrl_command *cmd)
> +{
> + struct virtio_gpu_framebuffer fb = { 0 };
> + struct virgl_renderer_resource_info info;
> + struct virtio_gpu_virgl_resource *res;
> + struct virtio_gpu_set_scanout_blob ss;
> + uint64_t fbend;
> +
> + VIRTIO_GPU_FILL_CMD(ss);
> + virtio_gpu_scanout_blob_bswap(&ss);
> + trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id,
> + ss.r.width, ss.r.height, ss.r.x,
> + ss.r.y);
> +
> + if (ss.scanout_id >= g->parent_obj.conf.max_outputs) {
> + 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;
> + }
> +
> + if (ss.resource_id == 0) {
> + virtio_gpu_disable_scanout(g, ss.scanout_id);
> + return;
> + }
> +
> + if (ss.width < 16 ||
> + ss.height < 16 ||
> + ss.r.x + ss.r.width > ss.width ||
> + ss.r.y + ss.r.height > ss.height) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for"
> + " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n",
> + __func__, ss.scanout_id, ss.resource_id,
> + ss.r.x, ss.r.y, ss.r.width, ss.r.height,
> + ss.width, ss.height);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
> + return;
> + }
> +
> + res = virtio_gpu_virgl_find_resource(g, ss.resource_id);
> + if (!res) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
> + __func__, ss.resource_id);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> + if (virgl_renderer_resource_get_info(ss.resource_id, &info)) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not have info %d\n",
> + __func__, ss.resource_id);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> + if (res->base.dmabuf_fd < 0) {
> + res->base.dmabuf_fd = info.fd;
Just in case you missed my previous email:
> res->base.dmabuf_fd is conditionally assigned but
> virgl_renderer_resource_get_info() is called unconditionally, which is
> inconsistent.
> The relevant code is better to be moved into
> virgl_cmd_resource_create_blob() for consistenty with
> virtio_gpu_resource_create_blob().
On 6/23/24 08:44, Akihiko Odaki wrote:
> On 2024/06/23 6:55, Dmitry Osipenko wrote:
>> From: Robert Beckett <bob.beckett@collabora.com>
>>
>> Support displaying blob resources by handling SET_SCANOUT_BLOB
>> command.
>>
>> Signed-by: Antonio Caggiano <antonio.caggiano@collabora.com>
>> Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
>> Signed-off-by: Huang Rui <ray.huang@amd.com>
>> Reviewed-by: Antonio Caggiano <quic_acaggian@quicinc.com>
>> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
>> ---
>> hw/display/virtio-gpu-virgl.c | 109 +++++++++++++++++++++++++++++++++
>> hw/display/virtio-gpu.c | 12 ++--
>> include/hw/virtio/virtio-gpu.h | 7 +++
>> 3 files changed, 122 insertions(+), 6 deletions(-)
>>
>> diff --git a/hw/display/virtio-gpu-virgl.c
>> b/hw/display/virtio-gpu-virgl.c
>> index 3ffea478e723..60befab7efc2 100644
>> --- a/hw/display/virtio-gpu-virgl.c
>> +++ b/hw/display/virtio-gpu-virgl.c
>> @@ -17,6 +17,8 @@
>> #include "trace.h"
>> #include "hw/virtio/virtio.h"
>> #include "hw/virtio/virtio-gpu.h"
>> +#include "hw/virtio/virtio-gpu-bswap.h"
>> +#include "hw/virtio/virtio-gpu-pixman.h"
>> #include "ui/egl-helpers.h"
>> @@ -78,6 +80,7 @@ static void virgl_cmd_create_resource_2d(VirtIOGPU
>> *g,
>> res->base.height = c2d.height;
>> res->base.format = c2d.format;
>> res->base.resource_id = c2d.resource_id;
>> + res->base.dmabuf_fd = -1;
>> QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next);
>> args.handle = c2d.resource_id;
>> @@ -125,6 +128,7 @@ static void virgl_cmd_create_resource_3d(VirtIOGPU
>> *g,
>> res->base.height = c3d.height;
>> res->base.format = c3d.format;
>> res->base.resource_id = c3d.resource_id;
>> + res->base.dmabuf_fd = -1;
>> QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next);
>> args.handle = c3d.resource_id;
>> @@ -509,6 +513,106 @@ static void virgl_cmd_get_capset(VirtIOGPU *g,
>> g_free(resp);
>> }
>> +#if VIRGL_VERSION_MAJOR >= 1
>> +static void virgl_cmd_set_scanout_blob(VirtIOGPU *g,
>> + struct virtio_gpu_ctrl_command
>> *cmd)
>> +{
>> + struct virtio_gpu_framebuffer fb = { 0 };
>> + struct virgl_renderer_resource_info info;
>> + struct virtio_gpu_virgl_resource *res;
>> + struct virtio_gpu_set_scanout_blob ss;
>> + uint64_t fbend;
>> +
>> + VIRTIO_GPU_FILL_CMD(ss);
>> + virtio_gpu_scanout_blob_bswap(&ss);
>> + trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id,
>> + ss.r.width, ss.r.height,
>> ss.r.x,
>> + ss.r.y);
>> +
>> + if (ss.scanout_id >= g->parent_obj.conf.max_outputs) {
>> + 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;
>> + }
>> +
>> + if (ss.resource_id == 0) {
>> + virtio_gpu_disable_scanout(g, ss.scanout_id);
>> + return;
>> + }
>> +
>> + if (ss.width < 16 ||
>> + ss.height < 16 ||
>> + ss.r.x + ss.r.width > ss.width ||
>> + ss.r.y + ss.r.height > ss.height) {
>> + qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds
>> for"
>> + " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n",
>> + __func__, ss.scanout_id, ss.resource_id,
>> + ss.r.x, ss.r.y, ss.r.width, ss.r.height,
>> + ss.width, ss.height);
>> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
>> + return;
>> + }
>> +
>> + res = virtio_gpu_virgl_find_resource(g, ss.resource_id);
>> + if (!res) {
>> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist
>> %d\n",
>> + __func__, ss.resource_id);
>> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
>> + return;
>> + }
>> + if (virgl_renderer_resource_get_info(ss.resource_id, &info)) {
>> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not have
>> info %d\n",
>> + __func__, ss.resource_id);
>> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
>> + return;
>> + }
>> + if (res->base.dmabuf_fd < 0) {
>> + res->base.dmabuf_fd = info.fd;
>
> Just in case you missed my previous email:
>> res->base.dmabuf_fd is conditionally assigned but
>> virgl_renderer_resource_get_info() is called unconditionally, which is
>> inconsistent.
>
>> The relevant code is better to be moved into
>> virgl_cmd_resource_create_blob() for consistenty with
>> virtio_gpu_resource_create_blob().
Right, I squashed this change into patch #12 instead of #10 by mistake.
Will fix it shortly, thanks for the review!
--
Best regards,
Dmitry
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