[FFmpeg-devel] [PATCH 09/11] transpose_vulkan: port to imageLoad()

[Lynne]

---
 libavfilter/vf_transpose_vulkan.c | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/libavfilter/vf_transpose_vulkan.c 
b/libavfilter/vf_transpose_vulkan.c
index 0169804fbb..3fe2d11cb2 100644
--- a/libavfilter/vf_transpose_vulkan.c
+++ b/libavfilter/vf_transpose_vulkan.c
@@ -35,7 +35,6 @@ typedef struct TransposeVulkanContext {
     FFVkExecPool e;
     AVVulkanDeviceQueueFamily *qf;
     FFVulkanShader shd;
-    VkSampler sampler;
 
     int dir;
     int passthrough;
@@ -69,7 +68,6 @@ static av_cold int init_filter(AVFilterContext *ctx, AVFrame 
*in)
     }
 
     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_LINEAR));
     RET(ff_vk_shader_init(vkctx, &s->shd, "transpose",
                           VK_SHADER_STAGE_COMPUTE_BIT,
                           NULL, 0,
@@ -79,11 +77,12 @@ static av_cold int init_filter(AVFilterContext *ctx, 
AVFrame *in)
     desc = (FFVulkanDescriptorSetBinding []) {
         {
             .name       = "input_images",
-            .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_images",
@@ -107,13 +106,13 @@ static av_cold int init_filter(AVFilterContext *ctx, 
AVFrame *in)
         GLSLF(1, size = imageSize(output_images[%i]);                ,i);
         GLSLC(1, if (IS_WITHIN(pos, size)) {                           );
         if (s->dir == TRANSPOSE_CCLOCK)
-            GLSLF(2, vec4 res = texture(input_images[%i], ivec2(size.y - 
pos.y, pos.x)); ,i);
+            GLSLF(2, vec4 res = imageLoad(input_images[%i], ivec2(size.y - 
pos.y, pos.x)); ,i);
         else if (s->dir == TRANSPOSE_CLOCK_FLIP || s->dir == TRANSPOSE_CLOCK) {
-            GLSLF(2, vec4 res = texture(input_images[%i], ivec2(size.yx - 
pos.yx));      ,i);
+            GLSLF(2, vec4 res = imageLoad(input_images[%i], ivec2(size.yx - 
pos.yx));      ,i);
             if (s->dir == TRANSPOSE_CLOCK)
                 GLSLC(2, pos = ivec2(pos.x, size.y - pos.y);           );
         } else
-            GLSLF(2, vec4 res = texture(input_images[%i], pos.yx);   ,i);
+            GLSLF(2, vec4 res = imageLoad(input_images[%i], pos.yx);  ,i);
         GLSLF(2,     imageStore(output_images[%i], pos, res);        ,i);
         GLSLC(1, }                                                     );
     }
@@ -157,7 +156,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
         RET(init_filter(ctx, in));
 
     RET(ff_vk_filter_process_simple(&s->vkctx, &s->e, &s->shd, out, in,
-                                    s->sampler, NULL, 0));
+                                    VK_NULL_HANDLE, NULL, 0));
 
     RET(av_frame_copy_props(out, in));
 
@@ -182,15 +181,10 @@ static av_cold void 
transpose_vulkan_uninit(AVFilterContext *avctx)
 {
     TransposeVulkanContext *s = avctx->priv;
     FFVulkanContext *vkctx = &s->vkctx;
-    FFVulkanFunctions *vk = &vkctx->vkfn;
 
     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);
 
     s->initialized = 0;
-- 
2.47.2
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