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hwcontext_vulkan: use GPU memcpy when copying to system RAM 

This should speed it up significantly on systems where it matters.
This commit is contained in:
Lynne 2021-08-10 12:47:06 +02:00
parent d5de9965ef
commit 1c5610824a
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GPG Key ID: A2FEA5F03F034464
1 changed files with 6 additions and 6 deletions
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12
libavutil/hwcontext_vulkan.c
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@ -3424,7 +3424,7 @@ static int vulkan_transfer_data(AVHWFramesContext *hwfc, const AVFrame *vkf,
} }
if (!from) { if (!from) {
/* Map, copy image to buffer, unmap */ /* Map, copy image TO buffer (which then goes to the VkImage), unmap */
if ((err = map_buffers(dev_ctx, bufs, tmp.data, planes, 0))) if ((err = map_buffers(dev_ctx, bufs, tmp.data, planes, 0)))
goto end; goto end;
@ -3449,7 +3449,7 @@ static int vulkan_transfer_data(AVHWFramesContext *hwfc, const AVFrame *vkf,
swf->width, swf->height, swf->format, from); swf->width, swf->height, swf->format, from);
if (from) { if (from) {
/* Map, copy image to buffer, unmap */ /* Map, copy buffer (which came FROM the VkImage) to the frame, unmap */
if ((err = map_buffers(dev_ctx, bufs, tmp.data, planes, 0))) if ((err = map_buffers(dev_ctx, bufs, tmp.data, planes, 0)))
goto end; goto end;
@ -3459,10 +3459,10 @@ static int vulkan_transfer_data(AVHWFramesContext *hwfc, const AVFrame *vkf,
get_plane_wh(&p_w, &p_h, swf->format, swf->width, swf->height, i); get_plane_wh(&p_w, &p_h, swf->format, swf->width, swf->height, i);
av_image_copy_plane(swf->data[i], swf->linesize[i], av_image_copy_plane_uc_from(swf->data[i], swf->linesize[i],
(const uint8_t *)tmp.data[i], tmp.linesize[i], (const uint8_t *)tmp.data[i], tmp.linesize[i],
FFMIN(tmp.linesize[i], FFABS(swf->linesize[i])), FFMIN(tmp.linesize[i], FFABS(swf->linesize[i])),
p_h); p_h);
} }
if ((err = unmap_buffers(dev_ctx, bufs, planes, 1))) if ((err = unmap_buffers(dev_ctx, bufs, planes, 1)))