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vo_gpu: vulkan: make the swapchain more robust

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Now handles both VK_ERROR_OUT_OF_DATE_KHR and VK_SUBOPTIMAL_KHR for both
vkAcquireNextImageKHR and vkQueuePresentKHR in the correct way.
This commit is contained in:
Niklas Haas 2017-09-29 13:52:27 +02:00 committed by Martin Herkt
parent dcda8bd36a
commit 8b0a111c59
1 changed files with 49 additions and 22 deletions
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71
video/out/vulkan/context.c
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@ -446,27 +446,43 @@ static bool start_frame(struct ra_swapchain *sw, struct ra_fbo *out_fbo)
struct priv *p = sw->priv;
struct mpvk_ctx *vk = p->vk;
if (!p->swapchain)
goto error;
return false;
MP_TRACE(vk, "vkAcquireNextImageKHR signals %p\n",
(void *)p->sems_in[p->idx_sems]);
uint32_t imgidx = 0;
VkResult res = vkAcquireNextImageKHR(vk->dev, p->swapchain, UINT64_MAX,
p->sems_in[p->idx_sems], NULL,
&imgidx);
if (res == VK_ERROR_OUT_OF_DATE_KHR)
goto error; // just return in this case
VK_ASSERT(res, "Failed acquiring swapchain image");
for (int attempts = 0; attempts < 2; attempts++) {
uint32_t imgidx = 0;
VkResult res = vkAcquireNextImageKHR(vk->dev, p->swapchain, UINT64_MAX,
p->sems_in[p->idx_sems], NULL,
&imgidx);
p->last_imgidx = imgidx;
*out_fbo = (struct ra_fbo) {
.tex = p->images[imgidx],
.flip = false,
};
return true;
switch (res) {
case VK_SUCCESS:
p->last_imgidx = imgidx;
*out_fbo = (struct ra_fbo) {
.tex = p->images[imgidx],
.flip = false,
};
return true;
error:
case VK_ERROR_OUT_OF_DATE_KHR: {
// In these cases try recreating the swapchain
int w = p->w, h = p->h;
p->w = p->h = 0; // invalidate the current state
if (!ra_vk_ctx_resize(sw, w, h))
return false;
continue;
}
default:
MP_ERR(vk, "Failed acquiring swapchain image: %s\n", vk_err(res));
return false;
}
}
// If we've exhausted the number of attempts to recreate the swapchain,
// just give up silently.
return false;
}
@ -481,11 +497,11 @@ static bool submit_frame(struct ra_swapchain *sw, const struct vo_frame *frame)
struct ra *ra = sw->ctx->ra;
struct mpvk_ctx *vk = p->vk;
if (!p->swapchain)
goto error;
return false;
struct vk_cmd *cmd = ra_vk_submit(ra, p->images[p->last_imgidx]);
if (!cmd)
goto error;
return false;
int semidx = p->idx_sems++;
p->idx_sems %= p->num_sems;
@ -503,7 +519,7 @@ static bool submit_frame(struct ra_swapchain *sw, const struct vo_frame *frame)
vk_cmd_queue(vk, cmd);
if (!mpvk_flush_commands(vk))
goto error;
return false;
// Older nvidia drivers can spontaneously combust when submitting to the
// same queue as we're rendering from, in a multi-queue scenario. Safest
@ -522,11 +538,22 @@ static bool submit_frame(struct ra_swapchain *sw, const struct vo_frame *frame)
};
MP_TRACE(vk, "vkQueuePresentKHR waits on %p\n", (void *)p->sems_out[semidx]);
VK(vkQueuePresentKHR(queue, &pinfo));
return true;
VkResult res = vkQueuePresentKHR(queue, &pinfo);
switch (res) {
case VK_SUCCESS:
case VK_SUBOPTIMAL_KHR:
return true;
error:
return false;
case VK_ERROR_OUT_OF_DATE_KHR:
// We can silently ignore this error, since the next start_frame will
// recreate the swapchain automatically.
return true;
default:
MP_ERR(vk, "Failed presenting to queue %p: %s\n", (void *)queue,
vk_err(res));
return false;
}
}
static void swap_buffers(struct ra_swapchain *sw)