st/vdpau: use temporary buffers while applying filters

Use temporary buffers so that we don't read and write to the
same surface at the same time. We don't need to use linear
layout now.

v2: rebase the patch against reverted change

Signed-off-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

1 files changed, 57 insertions, 18 deletions

diff --git a/src/gallium/state_trackers/vdpau/mixer.c b/src/gallium/state_trackers/vdpau/mixer.c
index cb0ef03..c205427 100644
--- a/src/gallium/state_trackers/vdpau/mixer.c
+++ b/src/gallium/state_trackers/vdpau/mixer.c
@@ -240,8 +240,10 @@ VdpStatus vlVdpVideoMixerRender(VdpVideoMixer mixer,
    struct u_rect rect, clip, *prect, dirty_area;
    unsigned i, layer = 0;
    struct pipe_video_buffer *video_buffer;
-   struct pipe_sampler_view *sampler_view;
-   struct pipe_surface *surface;
+   struct pipe_sampler_view *sampler_view, sv_templ;
+   struct pipe_surface *surface, surf_templ;
+   struct pipe_context *pipe;
+   struct pipe_resource res_tmpl, *res;
 
    vlVdpVideoMixer *vmixer;
    vlVdpSurface *surf;
@@ -335,25 +337,25 @@ VdpStatus vlVdpVideoMixerRender(VdpVideoMixer mixer,
    }
    vl_compositor_set_buffer_layer(&vmixer->cstate, compositor, layer, video_buffer, prect, NULL, deinterlace);
 
-   if(vmixer->bicubic.filter) {
-      struct pipe_context *pipe;
-      struct pipe_resource res_tmpl, *res;
-      struct pipe_sampler_view sv_templ;
-      struct pipe_surface surf_templ;
-
+   if (vmixer->bicubic.filter || vmixer->sharpness.filter || vmixer->noise_reduction.filter) {
       pipe = vmixer->device->context;
       memset(&res_tmpl, 0, sizeof(res_tmpl));
 
       res_tmpl.target = PIPE_TEXTURE_2D;
-      res_tmpl.width0 = surf->templat.width;
-      res_tmpl.height0 = surf->templat.height;
       res_tmpl.format = dst->sampler_view->format;
       res_tmpl.depth0 = 1;
       res_tmpl.array_size = 1;
-      res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET |
-                      PIPE_BIND_LINEAR;
+      res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
       res_tmpl.usage = PIPE_USAGE_DEFAULT;
 
+      if (!vmixer->bicubic.filter) {
+         res_tmpl.width0 = dst->surface->width;
+         res_tmpl.height0 = dst->surface->height;
+      } else {
+         res_tmpl.width0 = surf->templat.width;
+         res_tmpl.height0 = surf->templat.height;
+      }
+
       res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 
       vlVdpDefaultSamplerViewTemplate(&sv_templ, res);
@@ -369,6 +371,9 @@ VdpStatus vlVdpVideoMixerRender(VdpVideoMixer mixer,
       surface = dst->surface;
       sampler_view = dst->sampler_view;
       dirty_area = dst->dirty_area;
+   }
+
+   if (!vmixer->bicubic.filter) {
       vl_compositor_set_layer_dst_area(&vmixer->cstate, layer++, RectToPipe(destination_video_rect, &rect));
       vl_compositor_set_dst_clip(&vmixer->cstate, RectToPipe(destination_rect, &clip));
    }
@@ -394,13 +399,47 @@ VdpStatus vlVdpVideoMixerRender(VdpVideoMixer mixer,
    else {
       vl_compositor_render(&vmixer->cstate, compositor, surface, &dirty_area, true);
 
-      if (vmixer->noise_reduction.filter)
-         vl_median_filter_render(vmixer->noise_reduction.filter,
-                                 sampler_view, surface);
+      if (vmixer->noise_reduction.filter) {
+         if (!vmixer->sharpness.filter && !vmixer->bicubic.filter) {
+            vl_median_filter_render(vmixer->noise_reduction.filter,
+                                    sampler_view, dst->surface);
+         } else {
+            res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
+            struct pipe_sampler_view *sampler_view_temp = pipe->create_sampler_view(pipe, res, &sv_templ);
+            struct pipe_surface *surface_temp = pipe->create_surface(pipe, res, &surf_templ);
+            pipe_resource_reference(&res, NULL);
+
+            vl_median_filter_render(vmixer->noise_reduction.filter,
+                                    sampler_view, surface_temp);
+
+            pipe_sampler_view_reference(&sampler_view, NULL);
+            pipe_surface_reference(&surface, NULL);
 
-      if (vmixer->sharpness.filter)
-         vl_matrix_filter_render(vmixer->sharpness.filter,
-                                 sampler_view, surface);
+            sampler_view = sampler_view_temp;
+            surface = surface_temp;
+         }
+      }
+
+      if (vmixer->sharpness.filter) {
+         if (!vmixer->bicubic.filter) {
+            vl_matrix_filter_render(vmixer->sharpness.filter,
+                                    sampler_view, dst->surface);
+         } else {
+            res = pipe->screen->resource_create(pipe->screen, &res_tmpl);
+            struct pipe_sampler_view *sampler_view_temp = pipe->create_sampler_view(pipe, res, &sv_templ);
+            struct pipe_surface *surface_temp = pipe->create_surface(pipe, res, &surf_templ);
+            pipe_resource_reference(&res, NULL);
+
+            vl_matrix_filter_render(vmixer->sharpness.filter,
+                                    sampler_view, surface_temp);
+
+            pipe_sampler_view_reference(&sampler_view, NULL);
+            pipe_surface_reference(&surface, NULL);
+
+            sampler_view = sampler_view_temp;
+            surface = surface_temp;
+         }
+      }
 
       if (vmixer->bicubic.filter)
          vl_bicubic_filter_render(vmixer->bicubic.filter,