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From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: Gerd Hoffmann <kraxel@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>
Subject: [Qemu-devel] [PULL 6/6] virtio-gpu: block any rendering until client (ui) is done
Date: Wed,  3 Feb 2016 12:16:48 +0100	[thread overview]
Message-ID: <1454498208-15164-7-git-send-email-kraxel@redhat.com> (raw)
In-Reply-To: <1454498208-15164-1-git-send-email-kraxel@redhat.com>

Wire up gl_block callback, so ui code can request to stop
virtio-gpu rendering.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/display/virtio-gpu-3d.c     |  5 +++++
 hw/display/virtio-gpu.c        | 11 +++++++++++
 hw/display/virtio-vga.c        | 10 ++++++++++
 include/hw/virtio/virtio-gpu.h |  1 +
 4 files changed, 27 insertions(+)

diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c
index 6f646b1..fa19294 100644
--- a/hw/display/virtio-gpu-3d.c
+++ b/hw/display/virtio-gpu-3d.c
@@ -383,6 +383,11 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
 {
     VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr);
 
+    cmd->waiting = g->renderer_blocked;
+    if (cmd->waiting) {
+        return;
+    }
+
     virgl_renderer_force_ctx_0();
     switch (cmd->cmd_hdr.type) {
     case VIRTIO_GPU_CMD_CTX_CREATE:
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index af9b757..1cb4002 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -897,11 +897,22 @@ static int virtio_gpu_ui_info(void *opaque, uint32_t idx, QemuUIInfo *info)
     return 0;
 }
 
+static void virtio_gpu_gl_block(void *opaque, bool block)
+{
+    VirtIOGPU *g = opaque;
+
+    g->renderer_blocked = block;
+    if (!block) {
+        virtio_gpu_process_cmdq(g);
+    }
+}
+
 const GraphicHwOps virtio_gpu_ops = {
     .invalidate = virtio_gpu_invalidate_display,
     .gfx_update = virtio_gpu_update_display,
     .text_update = virtio_gpu_text_update,
     .ui_info = virtio_gpu_ui_info,
+    .gl_block = virtio_gpu_gl_block,
 };
 
 static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c
index 249dbc0..e58b165 100644
--- a/hw/display/virtio-vga.c
+++ b/hw/display/virtio-vga.c
@@ -66,11 +66,21 @@ static int virtio_vga_ui_info(void *opaque, uint32_t idx, QemuUIInfo *info)
     return -1;
 }
 
+static void virtio_vga_gl_block(void *opaque, bool block)
+{
+    VirtIOVGA *vvga = opaque;
+
+    if (virtio_gpu_ops.gl_block) {
+        virtio_gpu_ops.gl_block(&vvga->vdev, block);
+    }
+}
+
 static const GraphicHwOps virtio_vga_ops = {
     .invalidate = virtio_vga_invalidate_display,
     .gfx_update = virtio_vga_update_display,
     .text_update = virtio_vga_text_update,
     .ui_info = virtio_vga_ui_info,
+    .gl_block = virtio_vga_gl_block,
 };
 
 /* VGA device wrapper around PCI device around virtio GPU */
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index f6cae0b..13b0ab0 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -107,6 +107,7 @@ typedef struct VirtIOGPU {
 
     bool use_virgl_renderer;
     bool renderer_inited;
+    bool renderer_blocked;
     QEMUTimer *fence_poll;
     QEMUTimer *print_stats;
 
-- 
1.8.3.1

  parent reply	other threads:[~2016-02-03 11:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-03 11:16 [Qemu-devel] [PULL 0/6] virtio-gpu: bugfixes and spice support preparation Gerd Hoffmann
2016-02-03 11:16 ` [Qemu-devel] [PULL 1/6] zap qemu_egl_has_ext in include/ui/egl-helpers.h Gerd Hoffmann
2016-02-03 11:16 ` [Qemu-devel] [PULL 2/6] console: block rendering until client is done Gerd Hoffmann
2016-02-03 11:16 ` [Qemu-devel] [PULL 3/6] virtio-gpu: fix memory leak in error path Gerd Hoffmann
2016-02-03 11:16 ` [Qemu-devel] [PULL 4/6] virtio-gpu: maintain command queue Gerd Hoffmann
2016-02-03 11:16 ` [Qemu-devel] [PULL 5/6] virtio-gpu: add support to enable/disable command processing Gerd Hoffmann
2016-02-03 11:16 ` Gerd Hoffmann [this message]
2016-02-03 12:56 ` [Qemu-devel] [PULL 0/6] virtio-gpu: bugfixes and spice support preparation Peter Maydell

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