[Mesa-dev] [PATCH v4 5/5] gallium/auxiliary/vl: Add video compositor compute shader render

Marek Olšák maraeo at gmail.com
Mon Feb 11 21:56:26 UTC 2019


Instead of querying PIPE_CAP_COMPUTE multiple times, you can save the
returned value at initialization once and use that.

On Fri, Feb 8, 2019 at 2:22 PM Zhu, James <James.Zhu at amd.com> wrote:

> Add compute shader initilization, assign and cleanup in vl_compositor API.
> Set video compositor compute shader render as default when pipe support it.
>
> Signed-off-by: James Zhu <James.Zhu at amd.com>
> Reviewed-by: Christian König <christian.koenig at amd.com>
> ---
>  src/gallium/auxiliary/vl/vl_compositor.c | 105
> ++++++++++++++++++++++---------
>  src/gallium/auxiliary/vl/vl_compositor.h |   3 +
>  2 files changed, 80 insertions(+), 28 deletions(-)
>
> diff --git a/src/gallium/auxiliary/vl/vl_compositor.c
> b/src/gallium/auxiliary/vl/vl_compositor.c
> index 4509913..2d624c8 100644
> --- a/src/gallium/auxiliary/vl/vl_compositor.c
> +++ b/src/gallium/auxiliary/vl/vl_compositor.c
> @@ -28,6 +28,7 @@
>  #include "util/u_sampler.h"
>
>  #include "vl_compositor_gfx.h"
> +#include "vl_compositor_cs.h"
>
>  static bool
>  init_shaders(struct vl_compositor *c)
> @@ -40,18 +41,6 @@ init_shaders(struct vl_compositor *c)
>        return false;
>     }
>
> -   c->fs_video_buffer = create_frag_shader_video_buffer(c);
> -   if (!c->fs_video_buffer) {
> -      debug_printf("Unable to create YCbCr-to-RGB fragment shader.\n");
> -      return false;
> -   }
> -
> -   c->fs_weave_rgb = create_frag_shader_weave_rgb(c);
> -   if (!c->fs_weave_rgb) {
> -      debug_printf("Unable to create YCbCr-to-RGB weave fragment
> shader.\n");
> -      return false;
> -   }
> -
>     c->fs_yuv.weave.y = create_frag_shader_deint_yuv(c, true, true);
>     c->fs_yuv.weave.uv = create_frag_shader_deint_yuv(c, false, true);
>     c->fs_yuv.bob.y = create_frag_shader_deint_yuv(c, true, false);
>

If compute is used, I wouldn't like any graphics shaders to be created.

Marek


> @@ -74,12 +63,6 @@ init_shaders(struct vl_compositor *c)
>        return false;
>     }
>
> -   c->fs_rgba = create_frag_shader_rgba(c);
> -   if (!c->fs_rgba) {
> -      debug_printf("Unable to create RGB-to-RGB fragment shader.\n");
> -      return false;
> -   }
> -
>     c->fs_rgb_yuv.y = create_frag_shader_rgb_yuv(c, true);
>     c->fs_rgb_yuv.uv = create_frag_shader_rgb_yuv(c, false);
>     if (!c->fs_rgb_yuv.y || !c->fs_rgb_yuv.uv) {
> @@ -87,6 +70,44 @@ init_shaders(struct vl_compositor *c)
>        return false;
>     }
>
> +   if (c->pipe->screen->get_param(c->pipe->screen, PIPE_CAP_COMPUTE)) {
> +      c->cs_video_buffer = vl_compositor_cs_create_shader(c,
> compute_shader_video_buffer);
> +      if (!c->cs_video_buffer) {
> +         debug_printf("Unable to create video_buffer compute shader.\n");
> +         return false;
> +      }
> +
> +      c->cs_weave_rgb = vl_compositor_cs_create_shader(c,
> compute_shader_weave);
> +      if (!c->cs_weave_rgb) {
> +         debug_printf("Unable to create weave_rgb compute shader.\n");
> +         return false;
> +      }
> +
> +      c->cs_rgba = vl_compositor_cs_create_shader(c, compute_shader_rgba);
> +      if (!c->cs_rgba) {
> +         debug_printf("Unable to create RGB-to-RGB compute shader.\n");
> +         return false;
> +      }
> +   } else {
> +      c->fs_video_buffer = create_frag_shader_video_buffer(c);
> +      if (!c->fs_video_buffer) {
> +         debug_printf("Unable to create YCbCr-to-RGB fragment shader.\n");
> +         return false;
> +      }
> +
> +      c->fs_weave_rgb = create_frag_shader_weave_rgb(c);
> +      if (!c->fs_weave_rgb) {
> +         debug_printf("Unable to create YCbCr-to-RGB weave fragment
> shader.\n");
> +         return false;
> +      }
> +
> +      c->fs_rgba = create_frag_shader_rgba(c);
> +      if (!c->fs_rgba) {
> +         debug_printf("Unable to create RGB-to-RGB fragment shader.\n");
> +         return false;
> +      }
> +   }
> +
>     return true;
>  }
>
> @@ -95,17 +116,24 @@ static void cleanup_shaders(struct vl_compositor *c)
>     assert(c);
>
>     c->pipe->delete_vs_state(c->pipe, c->vs);
> -   c->pipe->delete_fs_state(c->pipe, c->fs_video_buffer);
> -   c->pipe->delete_fs_state(c->pipe, c->fs_weave_rgb);
>     c->pipe->delete_fs_state(c->pipe, c->fs_yuv.weave.y);
>     c->pipe->delete_fs_state(c->pipe, c->fs_yuv.weave.uv);
>     c->pipe->delete_fs_state(c->pipe, c->fs_yuv.bob.y);
>     c->pipe->delete_fs_state(c->pipe, c->fs_yuv.bob.uv);
>     c->pipe->delete_fs_state(c->pipe, c->fs_palette.yuv);
>     c->pipe->delete_fs_state(c->pipe, c->fs_palette.rgb);
> -   c->pipe->delete_fs_state(c->pipe, c->fs_rgba);
>     c->pipe->delete_fs_state(c->pipe, c->fs_rgb_yuv.y);
>     c->pipe->delete_fs_state(c->pipe, c->fs_rgb_yuv.uv);
> +
> +   if (c->pipe->screen->get_param(c->pipe->screen, PIPE_CAP_COMPUTE)) {
> +      c->pipe->delete_compute_state(c->pipe, c->cs_video_buffer);
> +      c->pipe->delete_compute_state(c->pipe, c->cs_weave_rgb);
> +      c->pipe->delete_compute_state(c->pipe, c->cs_rgba);
> +   } else {
> +      c->pipe->delete_fs_state(c->pipe, c->fs_video_buffer);
> +      c->pipe->delete_fs_state(c->pipe, c->fs_weave_rgb);
> +      c->pipe->delete_fs_state(c->pipe, c->fs_rgba);
> +   }
>  }
>
>  static bool
> @@ -409,6 +437,7 @@ vl_compositor_clear_layers(struct vl_compositor_state
> *s)
>        s->layers[i].clearing = i ? false : true;
>        s->layers[i].blend = NULL;
>        s->layers[i].fs = NULL;
> +      s->layers[i].cs = NULL;
>        s->layers[i].viewport.scale[2] = 1;
>        s->layers[i].viewport.translate[2] = 0;
>        s->layers[i].rotate = VL_COMPOSITOR_ROTATE_0;
> @@ -532,26 +561,39 @@ vl_compositor_set_buffer_layer(struct
> vl_compositor_state *s,
>        float half_a_line = 0.5f / s->layers[layer].zw.y;
>        switch(deinterlace) {
>        case VL_COMPOSITOR_WEAVE:
> -         s->layers[layer].fs = c->fs_weave_rgb;
> +         if (c->pipe->screen->get_param(c->pipe->screen,
> PIPE_CAP_COMPUTE))
> +            s->layers[layer].cs = c->cs_weave_rgb;
> +         else
> +            s->layers[layer].fs = c->fs_weave_rgb;
>           break;
>
>        case VL_COMPOSITOR_BOB_TOP:
>           s->layers[layer].zw.x = 0.0f;
>           s->layers[layer].src.tl.y += half_a_line;
>           s->layers[layer].src.br.y += half_a_line;
> -         s->layers[layer].fs = c->fs_video_buffer;
> +         if (c->pipe->screen->get_param(c->pipe->screen,
> PIPE_CAP_COMPUTE))
> +            s->layers[layer].cs = c->cs_video_buffer;
> +         else
> +            s->layers[layer].fs = c->fs_video_buffer;
>           break;
>
>        case VL_COMPOSITOR_BOB_BOTTOM:
>           s->layers[layer].zw.x = 1.0f;
>           s->layers[layer].src.tl.y -= half_a_line;
>           s->layers[layer].src.br.y -= half_a_line;
> -         s->layers[layer].fs = c->fs_video_buffer;
> +         if (c->pipe->screen->get_param(c->pipe->screen,
> PIPE_CAP_COMPUTE))
> +            s->layers[layer].cs = c->cs_video_buffer;
> +         else
> +            s->layers[layer].fs = c->fs_video_buffer;
>           break;
>        }
>
> -   } else
> -      s->layers[layer].fs = c->fs_video_buffer;
> +   } else {
> +      if (c->pipe->screen->get_param(c->pipe->screen, PIPE_CAP_COMPUTE))
> +         s->layers[layer].cs = c->cs_video_buffer;
> +      else
> +         s->layers[layer].fs = c->fs_video_buffer;
> +   }
>  }
>
>  void
> @@ -600,7 +642,10 @@ vl_compositor_set_rgba_layer(struct
> vl_compositor_state *s,
>     assert(layer < VL_COMPOSITOR_MAX_LAYERS);
>
>     s->used_layers |= 1 << layer;
> -   s->layers[layer].fs = c->fs_rgba;
> +   if (c->pipe->screen->get_param(c->pipe->screen, PIPE_CAP_COMPUTE))
> +      s->layers[layer].cs = c->cs_rgba;
> +   else
> +      s->layers[layer].fs = c->fs_rgba;
>     s->layers[layer].samplers[0] = c->sampler_linear;
>     s->layers[layer].samplers[1] = NULL;
>     s->layers[layer].samplers[2] = NULL;
> @@ -701,7 +746,11 @@ vl_compositor_render(struct vl_compositor_state *s,
>                       bool                        clear_dirty)
>  {
>     assert(s);
> -   vl_compositor_gfx_render(s, c, dst_surface, dirty_area, clear_dirty);
> +
> +   if (s->layers->cs)
> +      vl_compositor_cs_render(s, c, dst_surface, dirty_area, clear_dirty);
> +   else
> +      vl_compositor_gfx_render(s, c, dst_surface, dirty_area,
> clear_dirty);
>  }
>
>  bool
> diff --git a/src/gallium/auxiliary/vl/vl_compositor.h
> b/src/gallium/auxiliary/vl/vl_compositor.h
> index 5fa1b6c..b0ed7f5 100644
> --- a/src/gallium/auxiliary/vl/vl_compositor.h
> +++ b/src/gallium/auxiliary/vl/vl_compositor.h
> @@ -117,6 +117,9 @@ struct vl_compositor
>     void *fs_video_buffer;
>     void *fs_weave_rgb;
>     void *fs_rgba;
> +   void *cs_video_buffer;
> +   void *cs_weave_rgb;
> +   void *cs_rgba;
>
>     struct {
>        struct {
> --
> 2.7.4
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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