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virtio-gpu: block any rendering until client (ui) is done 

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

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-12-02 08:17:24 +01:00
parent 0c55a1cfd3
commit 321c9adba5
4 changed files with 27 additions and 0 deletions
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5
hw/display/virtio-gpu-3d.c
View File

@ -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:

11
hw/display/virtio-gpu.c
View File

@ -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)

10
hw/display/virtio-vga.c
View File

@ -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 */

1
include/hw/virtio/virtio-gpu.h
View File

@ -107,6 +107,7 @@ typedef struct VirtIOGPU {
bool use_virgl_renderer;
bool renderer_inited;
bool renderer_blocked;
QEMUTimer *fence_poll;
QEMUTimer *print_stats;