This works okay on the VC2 vulkan encoder patch
Στις Τετ 16 Οκτ 2024 στις 10:21 π.μ., ο/η Lynne via ffmpeg-devel <
ffmpeg-devel@ffmpeg.org> έγραψε:
> When using **integer** images inside shaders, it turns out
> that conversion doesn't automatically happen, but we need to
> explicitly use the imageviews to get the image exposed as
> a suitable representation for the shader.
>
> Finally enables bitexact image representations.
> ---
> libavfilter/vf_nlmeans_vulkan.c | 4 +-
> libavfilter/vulkan_filter.c | 14 ++---
> libavutil/vulkan.c | 98 ++++++++++++++++++++++++++++++++-
> libavutil/vulkan.h | 2 +-
> 4 files changed, 106 insertions(+), 12 deletions(-)
>
> diff --git a/libavfilter/vf_nlmeans_vulkan.c
> b/libavfilter/vf_nlmeans_vulkan.c
> index 68393273d8..5b0f137a40 100644
> --- a/libavfilter/vf_nlmeans_vulkan.c
> +++ b/libavfilter/vf_nlmeans_vulkan.c
> @@ -854,7 +854,7 @@ static int nlmeans_vulkan_filter_frame(AVFilterLink
> *link, AVFrame *in)
> ws_buf = NULL;
>
> /* Input frame prep */
> - RET(ff_vk_create_imageviews(vkctx, exec, in_views, in));
> + RET(ff_vk_create_imageviews(vkctx, exec, in_views, in,
> FF_VK_REP_FLOAT));
> ff_vk_frame_barrier(vkctx, exec, in, img_bar, &nb_img_bar,
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
> VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT,
> @@ -863,7 +863,7 @@ static int nlmeans_vulkan_filter_frame(AVFilterLink
> *link, AVFrame *in)
> VK_QUEUE_FAMILY_IGNORED);
>
> /* Output frame prep */
> - RET(ff_vk_create_imageviews(vkctx, exec, out_views, out));
> + RET(ff_vk_create_imageviews(vkctx, exec, out_views, out,
> FF_VK_REP_FLOAT));
> ff_vk_frame_barrier(vkctx, exec, out, img_bar, &nb_img_bar,
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
> VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT,
> diff --git a/libavfilter/vulkan_filter.c b/libavfilter/vulkan_filter.c
> index 85665b4d42..bdbebb3cb2 100644
> --- a/libavfilter/vulkan_filter.c
> +++ b/libavfilter/vulkan_filter.c
> @@ -257,7 +257,7 @@ int ff_vk_filter_process_simple(FFVulkanContext
> *vkctx, FFVkExecPool *e,
> RET(ff_vk_exec_add_dep_frame(vkctx, exec, out_f,
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
> VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT));
> - RET(ff_vk_create_imageviews(vkctx, exec, out_views, out_f));
> + RET(ff_vk_create_imageviews(vkctx, exec, out_views, out_f,
> FF_VK_REP_FLOAT));
> ff_vk_shader_update_img_array(vkctx, exec, shd, out_f, out_views, 0,
> !!in_f,
> VK_IMAGE_LAYOUT_GENERAL,
> VK_NULL_HANDLE);
> @@ -265,7 +265,7 @@ int ff_vk_filter_process_simple(FFVulkanContext
> *vkctx, FFVkExecPool *e,
> RET(ff_vk_exec_add_dep_frame(vkctx, exec, in_f,
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
>
> VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT));
> - RET(ff_vk_create_imageviews(vkctx, exec, in_views, in_f));
> + RET(ff_vk_create_imageviews(vkctx, exec, in_views, in_f,
> FF_VK_REP_FLOAT));
> ff_vk_shader_update_img_array(vkctx, exec, shd, in_f, in_views,
> 0, 0,
>
> VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
> sampler);
> @@ -336,9 +336,9 @@ int ff_vk_filter_process_2pass(FFVulkanContext *vkctx,
> FFVkExecPool *e,
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
> VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT));
>
> - RET(ff_vk_create_imageviews(vkctx, exec, in_views, in));
> - RET(ff_vk_create_imageviews(vkctx, exec, tmp_views, tmp));
> - RET(ff_vk_create_imageviews(vkctx, exec, out_views, out));
> + RET(ff_vk_create_imageviews(vkctx, exec, in_views, in,
> FF_VK_REP_FLOAT));
> + RET(ff_vk_create_imageviews(vkctx, exec, tmp_views, tmp,
> FF_VK_REP_FLOAT));
> + RET(ff_vk_create_imageviews(vkctx, exec, out_views, out,
> FF_VK_REP_FLOAT));
>
> ff_vk_frame_barrier(vkctx, exec, in, img_bar, &nb_img_bar,
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
> @@ -418,12 +418,12 @@ int ff_vk_filter_process_Nin(FFVulkanContext *vkctx,
> FFVkExecPool *e,
> RET(ff_vk_exec_add_dep_frame(vkctx, exec, out,
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
> VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT));
> - RET(ff_vk_create_imageviews(vkctx, exec, out_views, out));
> + RET(ff_vk_create_imageviews(vkctx, exec, out_views, out,
> FF_VK_REP_FLOAT));
> for (int i = 0; i < nb_in; i++) {
> RET(ff_vk_exec_add_dep_frame(vkctx, exec, in[i],
> VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
>
> VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT));
> - RET(ff_vk_create_imageviews(vkctx, exec, in_views[i], in[i]));
> + RET(ff_vk_create_imageviews(vkctx, exec, in_views[i], in[i],
> FF_VK_REP_FLOAT));
> }
>
> /* Update descriptor sets */
> diff --git a/libavutil/vulkan.c b/libavutil/vulkan.c
> index 346ed97953..11884fbd50 100644
> --- a/libavutil/vulkan.c
> +++ b/libavutil/vulkan.c
> @@ -1457,9 +1457,96 @@ static void destroy_imageviews(void *opaque,
> uint8_t *data)
> av_free(iv);
> }
>
> +static VkFormat map_fmt_to_rep(VkFormat fmt, enum FFVkShaderRepFormat
> rep_fmt)
> +{
> +#define REPS_FMT(fmt) \
> + [FF_VK_REP_NATIVE] = fmt ## _UINT, \
> + [FF_VK_REP_FLOAT] = fmt ## _UNORM, \
> + [FF_VK_REP_INT] = fmt ## _SINT, \
> + [FF_VK_REP_UINT] = fmt ## _UINT,
> +
> +#define REPS_FMT_PACK(fmt, num) \
> + [FF_VK_REP_NATIVE] = fmt ## _UINT_PACK ## num, \
> + [FF_VK_REP_FLOAT] = fmt ## _UNORM_PACK ## num, \
> + [FF_VK_REP_INT] = fmt ## _SINT_PACK ## num, \
> + [FF_VK_REP_UINT] = fmt ## _UINT_PACK ## num,
> +
> + const VkFormat fmts_map[][4] = {
> + { REPS_FMT_PACK(VK_FORMAT_A2B10G10R10, 32) },
> + { REPS_FMT_PACK(VK_FORMAT_A2R10G10B10, 32) },
> + {
> + VK_FORMAT_B5G6R5_UNORM_PACK16,
> + VK_FORMAT_B5G6R5_UNORM_PACK16,
> + VK_FORMAT_UNDEFINED,
> + VK_FORMAT_UNDEFINED,
> + },
> + {
> + VK_FORMAT_R5G6B5_UNORM_PACK16,
> + VK_FORMAT_R5G6B5_UNORM_PACK16,
> + VK_FORMAT_UNDEFINED,
> + VK_FORMAT_UNDEFINED,
> + },
> + { REPS_FMT(VK_FORMAT_B8G8R8) },
> + { REPS_FMT(VK_FORMAT_B8G8R8A8) },
> + { REPS_FMT(VK_FORMAT_R8) },
> + { REPS_FMT(VK_FORMAT_R8G8) },
> + { REPS_FMT(VK_FORMAT_R8G8B8) },
> + { REPS_FMT(VK_FORMAT_R8G8B8A8) },
> + { REPS_FMT(VK_FORMAT_R16) },
> + { REPS_FMT(VK_FORMAT_R16G16) },
> + { REPS_FMT(VK_FORMAT_R16G16B16) },
> + { REPS_FMT(VK_FORMAT_R16G16B16A16) },
> + {
> + VK_FORMAT_R32_SFLOAT,
> + VK_FORMAT_R32_SFLOAT,
> + VK_FORMAT_UNDEFINED,
> + VK_FORMAT_UNDEFINED,
> + },
> + {
> + VK_FORMAT_R32G32B32_SFLOAT,
> + VK_FORMAT_R32G32B32_SFLOAT,
> + VK_FORMAT_UNDEFINED,
> + VK_FORMAT_UNDEFINED,
> + },
> + {
> + VK_FORMAT_R32G32B32A32_SFLOAT,
> + VK_FORMAT_R32G32B32A32_SFLOAT,
> + VK_FORMAT_UNDEFINED,
> + VK_FORMAT_UNDEFINED,
> + },
> + {
> + VK_FORMAT_R32G32B32_UINT,
> + VK_FORMAT_UNDEFINED,
> + VK_FORMAT_R32G32B32_SINT,
> + VK_FORMAT_R32G32B32_UINT,
> + },
> + {
> + VK_FORMAT_R32G32B32A32_UINT,
> + VK_FORMAT_UNDEFINED,
> + VK_FORMAT_R32G32B32A32_SINT,
> + VK_FORMAT_R32G32B32A32_UINT,
> + },
> + };
> +#undef REPS_FMT_PACK
> +#undef REPS_FMT
> +
> + if (fmt == VK_FORMAT_UNDEFINED)
> + return VK_FORMAT_UNDEFINED;
> +
> + for (int i = 0; i < FF_ARRAY_ELEMS(fmts_map); i++) {
> + if (fmts_map[i][FF_VK_REP_NATIVE] == fmt ||
> + fmts_map[i][FF_VK_REP_FLOAT] == fmt ||
> + fmts_map[i][FF_VK_REP_INT] == fmt ||
> + fmts_map[i][FF_VK_REP_UINT] == fmt)
> + return fmts_map[i][rep_fmt];
> + }
> +
> + return VK_FORMAT_UNDEFINED;
> +}
> +
> int ff_vk_create_imageviews(FFVulkanContext *s, FFVkExecContext *e,
> VkImageView views[AV_NUM_DATA_POINTERS],
> - AVFrame *f)
> + AVFrame *f, enum FFVkShaderRepFormat rep_fmt)
> {
> int err;
> VkResult ret;
> @@ -1488,7 +1575,7 @@ int ff_vk_create_imageviews(FFVulkanContext *s,
> FFVkExecContext *e,
> .pNext = NULL,
> .image = vkf->img[FFMIN(i, nb_images - 1)],
> .viewType = VK_IMAGE_VIEW_TYPE_2D,
> - .format = rep_fmts[i],
> + .format = map_fmt_to_rep(rep_fmts[i], rep_fmt),
> .components = ff_comp_identity_map,
> .subresourceRange = {
> .aspectMask = plane_aspect[(nb_planes != nb_images) +
> @@ -1497,6 +1584,13 @@ int ff_vk_create_imageviews(FFVulkanContext *s,
> FFVkExecContext *e,
> .layerCount = 1,
> },
> };
> + if (view_create_info.format == VK_FORMAT_UNDEFINED) {
> + av_log(s, AV_LOG_ERROR, "Unable to find a compatible
> representation "
> + "of format %i and mode %i\n",
> + rep_fmts[i], rep_fmt);
> + err = AVERROR(EINVAL);
> + goto fail;
> + }
>
> ret = vk->CreateImageView(s->hwctx->act_dev, &view_create_info,
> s->hwctx->alloc, &iv->views[i]);
> diff --git a/libavutil/vulkan.h b/libavutil/vulkan.h
> index c42553b1be..910fc65635 100644
> --- a/libavutil/vulkan.h
> +++ b/libavutil/vulkan.h
> @@ -447,7 +447,7 @@ void ff_vk_exec_discard_deps(FFVulkanContext *s,
> FFVkExecContext *e);
> */
> int ff_vk_create_imageviews(FFVulkanContext *s, FFVkExecContext *e,
> VkImageView views[AV_NUM_DATA_POINTERS],
> - AVFrame *f);
> + AVFrame *f, enum FFVkShaderRepFormat rep_fmt);
>
> void ff_vk_frame_barrier(FFVulkanContext *s, FFVkExecContext *e,
> AVFrame *pic, VkImageMemoryBarrier2 *bar, int
> *nb_bar,
> --
> 2.45.2.753.g447d99e1c3b
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