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vulkan: download buffer to MemPtr

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columbarius 2023-08-10 03:15:11 +02:00 • committed by Wim Taymans
parent 73d6c20225
commit 00c475e646
3 changed files with 64 additions and 1 deletions
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27
spa/plugins/vulkan/vulkan-compute-utils.c
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@ -247,6 +247,30 @@ static int createCommandBuffer(struct vulkan_compute_state *s)
return 0;
}
static int runExportSHMBuffers(struct vulkan_compute_state *s) {
for (uint32_t i = 0; i < s->n_streams; i++) {
struct vulkan_stream *p = &s->streams[i];
if (p->direction == SPA_DIRECTION_INPUT)
continue;
if (p->spa_buffers[p->current_buffer_id]->datas[0].type == SPA_DATA_MemPtr) {
struct spa_buffer *spa_buf = p->spa_buffers[p->current_buffer_id];
struct vulkan_read_pixels_info readInfo = {
.data = spa_buf->datas[0].data,
.offset = spa_buf->datas[0].chunk->offset,
.stride = spa_buf->datas[0].chunk->stride,
.bytes_per_pixel = 16,
.size.width = s->constants.width,
.size.height = s->constants.height,
};
CHECK(vulkan_read_pixels(&s->base, &readInfo, &p->buffers[p->current_buffer_id]));
}
}
return 0;
}
/** runCommandBuffer
* The return value of this functions means the following:
* ret < 0: Error
@ -610,6 +634,7 @@ int spa_vulkan_process(struct vulkan_compute_state *s)
CHECK(updateDescriptors(s));
CHECK(runCommandBuffer(s));
VK_CHECK_RESULT(vkDeviceWaitIdle(s->base.device));
CHECK(runExportSHMBuffers(s));
return 0;
}
@ -620,7 +645,7 @@ int spa_vulkan_get_buffer_caps(struct vulkan_compute_state *s, enum spa_directio
case SPA_DIRECTION_INPUT:
return VULKAN_BUFFER_TYPE_CAP_DMABUF;
case SPA_DIRECTION_OUTPUT:
return VULKAN_BUFFER_TYPE_CAP_DMABUF;
return VULKAN_BUFFER_TYPE_CAP_DMABUF | VULKAN_BUFFER_TYPE_CAP_SHM;
}
return 0;
}