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Code Issues Releases Activity

overlay_vulkan: port to imageLoad()

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This commit is contained in:
Lynne
2025-02-17 19:25:45 +01:00
parent 2b8d38cbc1
commit 08e37fa082
1 changed files with 11 additions and 15 deletions
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26
libavfilter/vf_overlay_vulkan.c
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@ -35,7 +35,6 @@ typedef struct OverlayVulkanContext {
FFVkExecPool e;
AVVulkanDeviceQueueFamily *qf;
FFVulkanShader shd;
VkSampler sampler;
/* Push constants / options */
struct {
@ -55,10 +54,10 @@ static const char overlay_noalpha[] = {
C(1, if ((o_offset[i].x <= pos.x) && (o_offset[i].y <= pos.y) &&
(pos.x < (o_offset[i].x + o_size[i].x)) &&
(pos.y < (o_offset[i].y + o_size[i].y))) { )
C(2, vec4 res = texture(overlay_img[i], pos - o_offset[i]); )
C(2, vec4 res = imageLoad(overlay_img[i], pos - o_offset[i]); )
C(2, imageStore(output_img[i], pos, res); )
C(1, } else { )
C(2, vec4 res = texture(main_img[i], pos); )
C(2, vec4 res = imageLoad(main_img[i], pos); )
C(2, imageStore(output_img[i], pos, res); )
C(1, } )
C(0, } )
@ -67,11 +66,11 @@ static const char overlay_noalpha[] = {
static const char overlay_alpha[] = {
C(0, void overlay_alpha_opaque(int i, ivec2 pos) )
C(0, { )
C(1, vec4 res = texture(main_img[i], pos); )
C(1, vec4 res = imageLoad(main_img[i], pos); )
C(1, if ((o_offset[i].x <= pos.x) && (o_offset[i].y <= pos.y) &&
(pos.x < (o_offset[i].x + o_size[i].x)) &&
(pos.y < (o_offset[i].y + o_size[i].y))) { )
C(2, vec4 ovr = texture(overlay_img[i], pos - o_offset[i]); )
C(2, vec4 ovr = imageLoad(overlay_img[i], pos - o_offset[i]); )
C(2, res = ovr * ovr.a + res * (1.0f - ovr.a); )
C(2, res.a = 1.0f; )
C(2, imageStore(output_img[i], pos, res); )
@ -109,7 +108,6 @@ static av_cold int init_filter(AVFilterContext *ctx)
}
RET(ff_vk_exec_pool_init(vkctx, s->qf, &s->e, s->qf->num*4, 0, 0, 0, NULL));
RET(ff_vk_init_sampler(vkctx, &s->sampler, 1, VK_FILTER_NEAREST));
RET(ff_vk_shader_init(vkctx, &s->shd, "overlay",
VK_SHADER_STAGE_COMPUTE_BIT,
NULL, 0,
@ -128,19 +126,21 @@ static av_cold int init_filter(AVFilterContext *ctx)
desc = (FFVulkanDescriptorSetBinding []) {
{
.name = "main_img",
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.input_format, FF_VK_REP_FLOAT),
.mem_quali = "readonly",
.dimensions = 2,
.elems = planes,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.samplers = DUP_SAMPLER(s->sampler),
},
{
.name = "overlay_img",
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.input_format, FF_VK_REP_FLOAT),
.mem_quali = "readonly",
.dimensions = 2,
.elems = planes,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.samplers = DUP_SAMPLER(s->sampler),
},
{
.name = "output_img",
@ -240,7 +240,7 @@ static int overlay_vulkan_blend(FFFrameSync *fs)
RET(ff_vk_filter_process_Nin(&s->vkctx, &s->e, &s->shd,
out, (AVFrame *[]){ input_main, input_overlay }, 2,
s->sampler, &s->opts, sizeof(s->opts)));
VK_NULL_HANDLE, &s->opts, sizeof(s->opts)));
err = av_frame_copy_props(out, input_main);
if (err < 0)
@ -295,10 +295,6 @@ static void overlay_vulkan_uninit(AVFilterContext *avctx)
ff_vk_exec_pool_free(vkctx, &s->e);
ff_vk_shader_free(vkctx, &s->shd);
if (s->sampler)
vk->DestroySampler(vkctx->hwctx->act_dev, s->sampler,
vkctx->hwctx->alloc);
ff_vk_uninit(&s->vkctx);
ff_framesync_uninit(&s->fs);