diff options
| author | Wenbin Chen <wenbin.chen@intel.com> | 2021-12-07 17:05:52 +0800 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2021-12-10 17:03:48 +0100 |
| commit | 0d524b170ec4bf762e11c49743d813de650d409a (patch) | |
| tree | d4bd9a51301d84449423b7a9790889431f10f9c5 /libavutil | |
| parent | bd6ef73399f3f2fcd59ae2ff358954bb536540f2 (diff) | |
hwcontext_vulkan: add support for mapping frames with planes in a single VkDeviceMemory
Add support to map vulkan frames to software frames when
using contiguous_planes flag.
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Further-modifications-by: Lynne <dev@lynne.ee>
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/hwcontext_vulkan.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c index ffd4f0e643..728f800bb2 100644 --- a/libavutil/hwcontext_vulkan.c +++ b/libavutil/hwcontext_vulkan.c @@ -2332,9 +2332,10 @@ static int vulkan_map_frame_to_mem(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags) { VkResult ret; - int err, mapped_mem_count = 0; + int err, mapped_mem_count = 0, mem_planes = 0; AVVkFrame *f = (AVVkFrame *)src->data[0]; AVVulkanDeviceContext *hwctx = hwfc->device_ctx->hwctx; + AVVulkanFramesContext *hwfctx = hwfc->hwctx; const int planes = av_pix_fmt_count_planes(hwfc->sw_format); VulkanDevicePriv *p = hwfc->device_ctx->internal->priv; FFVulkanFunctions *vk = &p->vkfn; @@ -2361,7 +2362,8 @@ static int vulkan_map_frame_to_mem(AVHWFramesContext *hwfc, AVFrame *dst, dst->width = src->width; dst->height = src->height; - for (int i = 0; i < planes; i++) { + mem_planes = hwfctx->flags & AV_VK_FRAME_FLAG_CONTIGUOUS_MEMORY ? 1 : planes; + for (int i = 0; i < mem_planes; i++) { ret = vk->MapMemory(hwctx->act_dev, f->mem[i], 0, VK_WHOLE_SIZE, 0, (void **)&dst->data[i]); if (ret != VK_SUCCESS) { @@ -2373,6 +2375,11 @@ static int vulkan_map_frame_to_mem(AVHWFramesContext *hwfc, AVFrame *dst, mapped_mem_count++; } + if (hwfctx->flags & AV_VK_FRAME_FLAG_CONTIGUOUS_MEMORY) { + for (int i = 0; i < planes; i++) + dst->data[i] = dst->data[0] + f->offset[i]; + } + /* Check if the memory contents matter */ if (((flags & AV_HWFRAME_MAP_READ) || !(flags & AV_HWFRAME_MAP_OVERWRITE)) && !(f->flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) { |