On Fri, Aug 27, 2021 at 03:22:59PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> The Video Image Composer (VIC) 3.0 can be found on NVIDIA Tegra124 SoCs.a
[...]
> +static int vic30_clear(struct vic *v, struct vic_image *output,
> + unsigned int alpha, unsigned int red,
> + unsigned int green, unsigned int blue)
> +{
> + struct vic30 *vic = container_of(v, struct vic30, base);
> + ConfigStruct *c;
> + int err;
> +
> + err = drm_tegra_bo_map(vic->config.bo, (void **)&c);
> + if (err < 0) {
> + fprintf(stderr, "failed to map configuration structure: %s\n",
> + strerror(-err));
> + return err;
> + }
> +
> + memset(c, 0, sizeof(*c));
> +
> + c->surfaceList0Struct.TargetRectLeft = 0;
> + c->surfaceList0Struct.TargetRectTop = 0;
> + c->surfaceList0Struct.TargetRectRight = output->width - 1;
> + c->surfaceList0Struct.TargetRectBottom = output->height - 1;
> +
> + c->blending0Struct.PixelFormat = output->format;
> + c->blending0Struct.BackgroundAlpha = alpha;
> + c->blending0Struct.BackgroundR = red;
> + c->blending0Struct.BackgroundG = green;
> + c->blending0Struct.BackgroundB = blue;
> + c->blending0Struct.LumaWidth = output->stride - 1;
> + c->blending0Struct.LumaHeight = output->height - 1;
> + c->blending0Struct.ChromaWidth = 16383;
> + c->blending0Struct.ChromaHeight = 16383;
> + c->blending0Struct.TargetRectLeft = 0;
> + c->blending0Struct.TargetRectTop = 0;
> + c->blending0Struct.TargetRectRight = output->width - 1;
> + c->blending0Struct.TargetRectBottom = output->height - 1;
> + c->blending0Struct.SurfaceWidth = output->width - 1;
> + c->blending0Struct.SurfaceHeight = output->height - 1;
> + c->blending0Struct.BlkKind = output->kind;
> + c->blending0Struct.BlkHeight = 0;
> +
> + c->fetchControl0Struct.TargetRectLeft = 0;
> + c->fetchControl0Struct.TargetRectTop = 0;
> + c->fetchControl0Struct.TargetRectRight = output->width - 1;
> + c->fetchControl0Struct.TargetRectBottom = output->height - 1;
> +
> + drm_tegra_bo_unmap(vic->config.bo);
> +
> + return 0;
> +}
[...]
It does look exactly like:
return vic30_fill(v, output, 0, 0, output->width - 1,
output->height - 1, alpha, red, green, blue);
Best Regards
Michał Mirosław
