[PATCH vkd3d 4/5] vkd3d-shader/hlsl: Write SM4 sampler declarations.

[Giovanni Mascellani]

Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>

On 09/11/21 04:39, Zebediah Figura wrote:
> Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
> ---
>   libs/vkd3d-shader/hlsl_sm4.c | 18 +++++++++++++++++-
>   1 file changed, 17 insertions(+), 1 deletion(-)
> 
> diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
> index d48a41d11..e597425ae 100644
> --- a/libs/vkd3d-shader/hlsl_sm4.c
> +++ b/libs/vkd3d-shader/hlsl_sm4.c
> @@ -974,6 +974,20 @@ static void write_sm4_dcl_constant_buffer(struct vkd3d_bytecode_buffer *buffer,
>       write_sm4_instruction(buffer, &instr);
>   }
>   
> +static void write_sm4_dcl_sampler(struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_var *var)
> +{
> +    const struct sm4_instruction instr =
> +    {
> +        .opcode = VKD3D_SM4_OP_DCL_SAMPLER,
> +
> +        .dsts[0].reg.type = VKD3D_SM4_RT_SAMPLER,
> +        .dsts[0].reg.idx = {var->reg.id},
> +        .dsts[0].reg.idx_count = 1,
> +        .dst_count = 1,
> +    };
> +    write_sm4_instruction(buffer, &instr);
> +}
> +
>   static void write_sm4_dcl_texture(struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_var *var)
>   {
>       const struct sm4_instruction instr =
> @@ -1647,7 +1661,9 @@ static void write_sm4_shdr(struct hlsl_ctx *ctx,
>           if (!var->reg.allocated || var->data_type->type != HLSL_CLASS_OBJECT)
>               continue;
>   
> -        if (var->data_type->base_type == HLSL_TYPE_TEXTURE)
> +        if (var->data_type->base_type == HLSL_TYPE_SAMPLER)
> +            write_sm4_dcl_sampler(&buffer, var);
> +        else if (var->data_type->base_type == HLSL_TYPE_TEXTURE)
>               write_sm4_dcl_texture(&buffer, var);
>       }
>   
>