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@ -1,5 +1,7 @@ |
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/*
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* copyright (c) 2021-2022 Wu Jianhua <jianhua.wu@intel.com> |
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* Copyright (c) Lynne |
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* |
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* The blend modes are based on the blend.c. |
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* |
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* This file is part of FFmpeg. |
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@ -22,12 +24,11 @@ |
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#include "libavutil/random_seed.h" |
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#include "libavutil/opt.h" |
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#include "vulkan_filter.h" |
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#include "vulkan_spirv.h" |
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#include "internal.h" |
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#include "framesync.h" |
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#include "blend.h" |
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#define CGS 32 |
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#define IN_TOP 0 |
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#define IN_BOTTOM 1 |
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@ -40,20 +41,18 @@ typedef struct FilterParamsVulkan { |
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typedef struct BlendVulkanContext { |
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FFVulkanContext vkctx; |
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FFVkQueueFamilyCtx qf; |
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FFVkExecContext *exec; |
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FFVulkanPipeline *pl; |
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FFFrameSync fs; |
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VkDescriptorImageInfo top_images[3]; |
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VkDescriptorImageInfo bottom_images[3]; |
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VkDescriptorImageInfo output_images[3]; |
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int initialized; |
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FFVulkanPipeline pl; |
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FFVkExecPool e; |
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FFVkQueueFamilyCtx qf; |
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FFVkSPIRVShader shd; |
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VkSampler sampler; |
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FilterParamsVulkan params[4]; |
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double all_opacity; |
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enum BlendMode all_mode; |
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int initialized; |
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} BlendVulkanContext; |
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#define DEFINE_BLEND_MODE(MODE, EXPR) \ |
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@ -125,223 +124,103 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar |
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static av_cold int init_filter(AVFilterContext *avctx) |
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{ |
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int err = 0; |
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FFVkSampler *sampler; |
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FFVkSPIRVShader *shd; |
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uint8_t *spv_data; |
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size_t spv_len; |
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void *spv_opaque = NULL; |
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BlendVulkanContext *s = avctx->priv; |
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FFVulkanContext *vkctx = &s->vkctx; |
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const int planes = av_pix_fmt_count_planes(s->vkctx.output_format); |
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FFVkSPIRVShader *shd = &s->shd; |
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FFVkSPIRVCompiler *spv; |
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FFVulkanDescriptorSetBinding *desc; |
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ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT, 0); |
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sampler = ff_vk_init_sampler(vkctx, 1, VK_FILTER_LINEAR); |
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if (!sampler) |
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spv = ff_vk_spirv_init(); |
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if (!spv) { |
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av_log(avctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n"); |
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return AVERROR_EXTERNAL; |
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s->pl = ff_vk_create_pipeline(vkctx, &s->qf); |
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if (!s->pl) |
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return AVERROR(ENOMEM); |
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{ |
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FFVulkanDescriptorSetBinding image_descs[] = { |
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{ |
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.name = "top_images", |
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.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
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.dimensions = 2, |
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.elems = planes, |
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.stages = VK_SHADER_STAGE_COMPUTE_BIT, |
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.updater = s->top_images, |
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.sampler = sampler, |
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}, |
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{ |
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.name = "bottom_images", |
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.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
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.dimensions = 2, |
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.elems = planes, |
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.stages = VK_SHADER_STAGE_COMPUTE_BIT, |
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.updater = s->bottom_images, |
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.sampler = sampler, |
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}, |
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{ |
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.name = "output_images", |
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.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, |
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.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format), |
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.mem_quali = "writeonly", |
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.dimensions = 2, |
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.elems = planes, |
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.stages = VK_SHADER_STAGE_COMPUTE_BIT, |
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.updater = s->output_images, |
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}, |
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}; |
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shd = ff_vk_init_shader(s->pl, "blend_compute", image_descs[0].stages); |
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if (!shd) |
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return AVERROR(ENOMEM); |
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ff_vk_set_compute_shader_sizes(shd, (int [3]){ CGS, CGS, 1 }); |
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RET(ff_vk_add_descriptor_set(vkctx, s->pl, shd, image_descs, FF_ARRAY_ELEMS(image_descs), 0)); |
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for (int i = 0, j = 0; i < planes; i++) { |
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for (j = 0; j < i; j++) |
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if (s->params[i].blend_func == s->params[j].blend_func) |
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break; |
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/* note: the bracket is needed, for GLSLD is a macro with multiple statements. */ |
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if (j == i) { |
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GLSLD(s->params[i].blend_func); |
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} |
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} |
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GLSLC(0, void main() ); |
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GLSLC(0, { ); |
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GLSLC(1, ivec2 size; ); |
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GLSLC(1, const ivec2 pos = ivec2(gl_GlobalInvocationID.xy); ); |
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for (int i = 0; i < planes; i++) { |
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GLSLC(0, ); |
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GLSLF(1, size = imageSize(output_images[%i]); ,i); |
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GLSLC(1, if (IS_WITHIN(pos, size)) { ); |
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GLSLF(2, const vec4 top = texture(top_images[%i], pos); ,i); |
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GLSLF(2, const vec4 bottom = texture(bottom_images[%i], pos); ,i); |
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GLSLF(2, const float opacity = %f; ,s->params[i].opacity); |
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GLSLF(2, vec4 dst = %s(top, bottom, opacity); ,s->params[i].blend); |
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GLSLC(0, ); |
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GLSLF(2, imageStore(output_images[%i], pos, dst); ,i); |
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GLSLC(1, } ); |
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} |
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GLSLC(0, } ); |
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RET(ff_vk_compile_shader(vkctx, shd, "main")); |
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RET(ff_vk_init_pipeline_layout(vkctx, s->pl)); |
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RET(ff_vk_init_compute_pipeline(vkctx, s->pl)); |
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} |
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RET(ff_vk_create_exec_ctx(vkctx, &s->exec, &s->qf)); |
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s->initialized = 1; |
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fail: |
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return err; |
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} |
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static int process_frames(AVFilterContext *avctx, AVFrame *out_frame, AVFrame *top_frame, AVFrame *bottom_frame) |
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{ |
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int err = 0; |
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VkCommandBuffer cmd_buf; |
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BlendVulkanContext *s = avctx->priv; |
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FFVulkanContext *vkctx = &s->vkctx; |
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FFVulkanFunctions *vk = &s->vkctx.vkfn; |
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const int planes = av_pix_fmt_count_planes(s->vkctx.output_format); |
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AVVkFrame *out = (AVVkFrame *)out_frame->data[0]; |
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AVVkFrame *top = (AVVkFrame *)top_frame->data[0]; |
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AVVkFrame *bottom = (AVVkFrame *)bottom_frame->data[0]; |
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AVHWFramesContext *top_fc = (AVHWFramesContext*)top_frame->hw_frames_ctx->data; |
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AVHWFramesContext *bottom_fc = (AVHWFramesContext*)bottom_frame->hw_frames_ctx->data; |
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const VkFormat *top_formats = av_vkfmt_from_pixfmt(top_fc->sw_format); |
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const VkFormat *bottom_formats = av_vkfmt_from_pixfmt(bottom_fc->sw_format); |
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const VkFormat *output_formats = av_vkfmt_from_pixfmt(s->vkctx.output_format); |
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ff_vk_start_exec_recording(vkctx, s->exec); |
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cmd_buf = ff_vk_get_exec_buf(s->exec); |
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for (int i = 0; i < planes; i++) { |
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RET(ff_vk_create_imageview(vkctx, s->exec, |
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&s->top_images[i].imageView, top->img[i], |
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top_formats[i], |
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ff_comp_identity_map)); |
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RET(ff_vk_create_imageview(vkctx, s->exec, |
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&s->bottom_images[i].imageView, bottom->img[i], |
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bottom_formats[i], |
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ff_comp_identity_map)); |
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RET(ff_vk_create_imageview(vkctx, s->exec, |
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&s->output_images[i].imageView, out->img[i], |
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output_formats[i], |
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ff_comp_identity_map)); |
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s->top_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; |
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s->bottom_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; |
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s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL; |
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ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT); |
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RET(ff_vk_exec_pool_init(vkctx, &s->qf, &s->e, s->qf.nb_queues*4, 0, 0, 0, NULL)); |
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RET(ff_vk_init_sampler(vkctx, &s->sampler, 1, VK_FILTER_NEAREST)); |
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RET(ff_vk_shader_init(&s->pl, &s->shd, "blend_compute", |
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VK_SHADER_STAGE_COMPUTE_BIT, 0)); |
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ff_vk_shader_set_compute_sizes(&s->shd, 32, 32, 1); |
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desc = (FFVulkanDescriptorSetBinding []) { |
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{ |
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.name = "top_images", |
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.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
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.dimensions = 2, |
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.elems = planes, |
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.stages = VK_SHADER_STAGE_COMPUTE_BIT, |
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.samplers = DUP_SAMPLER(s->sampler), |
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}, |
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{ |
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.name = "bottom_images", |
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.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, |
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.dimensions = 2, |
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.elems = planes, |
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.stages = VK_SHADER_STAGE_COMPUTE_BIT, |
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.samplers = DUP_SAMPLER(s->sampler), |
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}, |
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{ |
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.name = "output_images", |
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.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, |
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.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format), |
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.mem_quali = "writeonly", |
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.dimensions = 2, |
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.elems = planes, |
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.stages = VK_SHADER_STAGE_COMPUTE_BIT, |
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}, |
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}; |
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RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl, shd, desc, 3, 0, 0)); |
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for (int i = 0, j = 0; i < planes; i++) { |
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for (j = 0; j < i; j++) |
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if (s->params[i].blend_func == s->params[j].blend_func) |
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break; |
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/* note: the bracket is needed, for GLSLD is a macro with multiple statements. */ |
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if (j == i) { |
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GLSLD(s->params[i].blend_func); |
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} |
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} |
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ff_vk_update_descriptor_set(vkctx, s->pl, 0); |
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GLSLC(0, void main() ); |
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GLSLC(0, { ); |
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GLSLC(1, ivec2 size; ); |
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GLSLC(1, const ivec2 pos = ivec2(gl_GlobalInvocationID.xy); ); |
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for (int i = 0; i < planes; i++) { |
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VkImageMemoryBarrier barriers[] = { |
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{ |
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, |
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.srcAccessMask = 0, |
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.dstAccessMask = VK_ACCESS_SHADER_READ_BIT, |
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.oldLayout = top->layout[i], |
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.newLayout = s->top_images[i].imageLayout, |
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
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.image = top->img[i], |
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, |
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.subresourceRange.levelCount = 1, |
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.subresourceRange.layerCount = 1, |
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}, |
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{ |
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, |
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.srcAccessMask = 0, |
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.dstAccessMask = VK_ACCESS_SHADER_READ_BIT, |
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.oldLayout = bottom->layout[i], |
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.newLayout = s->bottom_images[i].imageLayout, |
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
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.image = bottom->img[i], |
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, |
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.subresourceRange.levelCount = 1, |
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.subresourceRange.layerCount = 1, |
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}, |
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{ |
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, |
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.srcAccessMask = 0, |
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.dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT, |
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.oldLayout = out->layout[i], |
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.newLayout = s->output_images[i].imageLayout, |
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, |
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.image = out->img[i], |
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, |
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.subresourceRange.levelCount = 1, |
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.subresourceRange.layerCount = 1, |
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}, |
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}; |
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vk->CmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, |
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VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, |
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0, NULL, 0, NULL, FF_ARRAY_ELEMS(barriers), barriers); |
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top->layout[i] = barriers[0].newLayout; |
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top->access[i] = barriers[0].dstAccessMask; |
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bottom->layout[i] = barriers[1].newLayout; |
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bottom->access[i] = barriers[1].dstAccessMask; |
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out->layout[i] = barriers[2].newLayout; |
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out->access[i] = barriers[2].dstAccessMask; |
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GLSLC(0, ); |
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GLSLF(1, size = imageSize(output_images[%i]); ,i); |
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GLSLC(1, if (IS_WITHIN(pos, size)) { ); |
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GLSLF(2, const vec4 top = texture(top_images[%i], pos); ,i); |
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GLSLF(2, const vec4 bottom = texture(bottom_images[%i], pos); ,i); |
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GLSLF(2, const float opacity = %f; ,s->params[i].opacity); |
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GLSLF(2, vec4 dst = %s(top, bottom, opacity); ,s->params[i].blend); |
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GLSLC(0, ); |
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GLSLF(2, imageStore(output_images[%i], pos, dst); ,i); |
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GLSLC(1, } ); |
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} |
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GLSLC(0, } ); |
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ff_vk_bind_pipeline_exec(vkctx, s->exec, s->pl); |
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vk->CmdDispatch(cmd_buf, FFALIGN(s->vkctx.output_width, CGS) / CGS, |
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FFALIGN(s->vkctx.output_height, CGS) / CGS, 1); |
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ff_vk_add_exec_dep(vkctx, s->exec, top_frame, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT); |
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ff_vk_add_exec_dep(vkctx, s->exec, bottom_frame, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT); |
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ff_vk_add_exec_dep(vkctx, s->exec, out_frame, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT); |
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RET(spv->compile_shader(spv, avctx, shd, &spv_data, &spv_len, "main", |
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&spv_opaque)); |
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RET(ff_vk_shader_create(vkctx, shd, spv_data, spv_len, "main")); |
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err = ff_vk_submit_exec_queue(vkctx, s->exec); |
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if (err) |
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return err; |
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RET(ff_vk_init_compute_pipeline(vkctx, &s->pl, shd)); |
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RET(ff_vk_exec_pipeline_register(vkctx, &s->e, &s->pl)); |
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ff_vk_qf_rotate(&s->qf); |
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return 0; |
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|
s->initialized = 1; |
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|
fail: |
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|
ff_vk_discard_exec_deps(s->exec); |
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|
if (spv_opaque) |
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|
spv->free_shader(spv, &spv_opaque); |
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|
if (spv) |
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|
spv->uninit(&spv); |
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|
return err; |
|
|
|
|
} |
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|
@ -375,7 +254,9 @@ static int blend_frame(FFFrameSync *fs) |
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|
RET(init_filter(avctx)); |
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|
} |
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|
RET(process_frames(avctx, out, top, bottom)); |
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|
RET(ff_vk_filter_process_Nin(&s->vkctx, &s->e, &s->pl, |
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|
|
|
out, (AVFrame *[]){ top, bottom }, 2, |
|
|
|
|
s->sampler, NULL, 0)); |
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|
return ff_filter_frame(outlink, out); |
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|
@ -396,10 +277,19 @@ static av_cold int init(AVFilterContext *avctx) |
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|
static av_cold void uninit(AVFilterContext *avctx) |
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|
|
|
{ |
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|
|
|
BlendVulkanContext *s = avctx->priv; |
|
|
|
|
FFVulkanContext *vkctx = &s->vkctx; |
|
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|
|
FFVulkanFunctions *vk = &vkctx->vkfn; |
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|
|
ff_framesync_uninit(&s->fs); |
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|
|
ff_vk_exec_pool_free(vkctx, &s->e); |
|
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|
|
ff_vk_pipeline_free(vkctx, &s->pl); |
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|
ff_vk_shader_free(vkctx, &s->shd); |
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|
if (s->sampler) |
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|
|
vk->DestroySampler(vkctx->hwctx->act_dev, s->sampler, |
|
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|
|
vkctx->hwctx->alloc); |
|
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|
|
ff_vk_uninit(&s->vkctx); |
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|
|
ff_framesync_uninit(&s->fs); |
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|
|
s->initialized = 0; |
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|
|
|
} |
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|