[PATCH vkd3d v3 08/14] vkd3d-shader/hlsl: Parse the Sample() method.

Giovanni Mascellani gmascellani at codeweavers.com
Mon Nov 8 02:23:13 CST 2021


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

On 05/11/21 19:35, Matteo Bruni wrote:
> From: Zebediah Figura <zfigura at codeweavers.com>
> 
> Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
> Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
> ---
>   libs/vkd3d-shader/hlsl.c         | 30 +++++++++++++++------
>   libs/vkd3d-shader/hlsl.h         |  8 +++---
>   libs/vkd3d-shader/hlsl.y         | 46 +++++++++++++++++++++++++++++++-
>   libs/vkd3d-shader/hlsl_codegen.c |  8 ++++++
>   libs/vkd3d-shader/hlsl_sm4.c     |  4 +++
>   5 files changed, 84 insertions(+), 12 deletions(-)
> 
> diff --git a/libs/vkd3d-shader/hlsl.c b/libs/vkd3d-shader/hlsl.c
> index a72e0a18..da4f10a9 100644
> --- a/libs/vkd3d-shader/hlsl.c
> +++ b/libs/vkd3d-shader/hlsl.c
> @@ -627,8 +627,9 @@ struct hlsl_ir_load *hlsl_new_var_load(struct hlsl_ctx *ctx, struct hlsl_ir_var
>   }
>   
>   struct hlsl_ir_resource_load *hlsl_new_resource_load(struct hlsl_ctx *ctx, struct hlsl_type *data_type,
> -        enum hlsl_resource_load_type type, struct hlsl_ir_var *resource, struct hlsl_ir_node *offset,
> -        struct hlsl_ir_node *coords, const struct vkd3d_shader_location *loc)
> +        enum hlsl_resource_load_type type, struct hlsl_ir_var *resource, struct hlsl_ir_node *resource_offset,
> +        struct hlsl_ir_var *sampler, struct hlsl_ir_node *sampler_offset, struct hlsl_ir_node *coords,
> +        const struct vkd3d_shader_location *loc)
>   {
>       struct hlsl_ir_resource_load *load;
>   
> @@ -637,7 +638,9 @@ struct hlsl_ir_resource_load *hlsl_new_resource_load(struct hlsl_ctx *ctx, struc
>       init_node(&load->node, HLSL_IR_RESOURCE_LOAD, data_type, *loc);
>       load->load_type = type;
>       load->resource.var = resource;
> -    hlsl_src_from_node(&load->resource.offset, offset);
> +    hlsl_src_from_node(&load->resource.offset, resource_offset);
> +    load->sampler.var = sampler;
> +    hlsl_src_from_node(&load->sampler.offset, sampler_offset);
>       hlsl_src_from_node(&load->coords, coords);
>       return load;
>   }
> @@ -1059,12 +1062,19 @@ static void dump_ir_var(struct hlsl_ctx *ctx, struct vkd3d_string_buffer *buffer
>   
>   static void dump_deref(struct vkd3d_string_buffer *buffer, const struct hlsl_deref *deref)
>   {
> -    vkd3d_string_buffer_printf(buffer, "%s", deref->var->name);
> -    if (deref->offset.node)
> +    if (deref->var)
> +    {
> +        vkd3d_string_buffer_printf(buffer, "%s", deref->var->name);
> +        if (deref->offset.node)
> +        {
> +            vkd3d_string_buffer_printf(buffer, "[");
> +            dump_src(buffer, &deref->offset);
> +            vkd3d_string_buffer_printf(buffer, "]");
> +        }
> +    }
> +    else
>       {
> -        vkd3d_string_buffer_printf(buffer, "[");
> -        dump_src(buffer, &deref->offset);
> -        vkd3d_string_buffer_printf(buffer, "]");
> +        vkd3d_string_buffer_printf(buffer, "(nil)");
>       }
>   }
>   
> @@ -1239,10 +1249,13 @@ static void dump_ir_resource_load(struct vkd3d_string_buffer *buffer, const stru
>       static const char *const type_names[] =
>       {
>           [HLSL_RESOURCE_LOAD] = "load_resource",
> +        [HLSL_RESOURCE_SAMPLE] = "sample",
>       };
>   
>       vkd3d_string_buffer_printf(buffer, "%s(resource = ", type_names[load->load_type]);
>       dump_deref(buffer, &load->resource);
> +    vkd3d_string_buffer_printf(buffer, ", sampler = ");
> +    dump_deref(buffer, &load->sampler);
>       vkd3d_string_buffer_printf(buffer, ", coords = ");
>       dump_src(buffer, &load->coords);
>       vkd3d_string_buffer_printf(buffer, ")");
> @@ -1419,6 +1432,7 @@ static void free_ir_loop(struct hlsl_ir_loop *loop)
>   static void free_ir_resource_load(struct hlsl_ir_resource_load *load)
>   {
>       hlsl_src_remove(&load->coords);
> +    hlsl_src_remove(&load->sampler.offset);
>       hlsl_src_remove(&load->resource.offset);
>       vkd3d_free(load);
>   }
> diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h
> index a7503d5c..eae96232 100644
> --- a/libs/vkd3d-shader/hlsl.h
> +++ b/libs/vkd3d-shader/hlsl.h
> @@ -376,13 +376,14 @@ struct hlsl_ir_load
>   enum hlsl_resource_load_type
>   {
>       HLSL_RESOURCE_LOAD,
> +    HLSL_RESOURCE_SAMPLE,
>   };
>   
>   struct hlsl_ir_resource_load
>   {
>       struct hlsl_ir_node node;
>       enum hlsl_resource_load_type load_type;
> -    struct hlsl_deref resource;
> +    struct hlsl_deref resource, sampler;
>       struct hlsl_src coords;
>   };
>   
> @@ -703,8 +704,9 @@ struct hlsl_ir_load *hlsl_new_load(struct hlsl_ctx *ctx, struct hlsl_ir_var *var
>           struct hlsl_type *type, struct vkd3d_shader_location loc);
>   struct hlsl_ir_loop *hlsl_new_loop(struct hlsl_ctx *ctx, struct vkd3d_shader_location loc);
>   struct hlsl_ir_resource_load *hlsl_new_resource_load(struct hlsl_ctx *ctx, struct hlsl_type *data_type,
> -        enum hlsl_resource_load_type type, struct hlsl_ir_var *resource, struct hlsl_ir_node *offset,
> -        struct hlsl_ir_node *coords, const struct vkd3d_shader_location *loc);
> +        enum hlsl_resource_load_type type, struct hlsl_ir_var *resource, struct hlsl_ir_node *resource_offset,
> +        struct hlsl_ir_var *sampler, struct hlsl_ir_node *sampler_offset, struct hlsl_ir_node *coords,
> +        const struct vkd3d_shader_location *loc);
>   struct hlsl_ir_store *hlsl_new_simple_store(struct hlsl_ctx *ctx, struct hlsl_ir_var *lhs, struct hlsl_ir_node *rhs);
>   struct hlsl_ir_store *hlsl_new_store(struct hlsl_ctx *ctx, struct hlsl_ir_var *var, struct hlsl_ir_node *offset,
>           struct hlsl_ir_node *rhs, unsigned int writemask, struct vkd3d_shader_location loc);
> diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
> index aae0ebce..3d0a9ced 100644
> --- a/libs/vkd3d-shader/hlsl.y
> +++ b/libs/vkd3d-shader/hlsl.y
> @@ -1803,7 +1803,51 @@ static bool add_method_call(struct hlsl_ctx *ctx, struct list *instrs, struct hl
>               return false;
>   
>           if (!(load = hlsl_new_resource_load(ctx, object_type->e.resource_format, HLSL_RESOURCE_LOAD,
> -                object_load->src.var, object_load->src.offset.node, coords, loc)))
> +                object_load->src.var, object_load->src.offset.node, NULL, NULL, coords, loc)))
> +            return false;
> +        list_add_tail(instrs, &load->node.entry);
> +        return true;
> +    }
> +    else if (!strcmp(name, "Sample"))
> +    {
> +        const unsigned int sampler_dim = sampler_dim_count(object_type->sampler_dim);
> +        const struct hlsl_type *sampler_type;
> +        struct hlsl_ir_resource_load *load;
> +        struct hlsl_ir_load *sampler_load;
> +        struct hlsl_ir_node *coords;
> +
> +        if (params->args_count != 2 && params->args_count != 3)
> +        {
> +            hlsl_error(ctx, *loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT,
> +                    "Wrong number of arguments to method 'Sample': expected 2 or 3, but got %u.", params->args_count);
> +            return false;
> +        }
> +        if (params->args_count == 3)
> +            FIXME("Ignoring offset parameter.\n");
> +
> +        sampler_type = params->args[0]->data_type;
> +        if (sampler_type->type != HLSL_CLASS_OBJECT || sampler_type->base_type != HLSL_TYPE_SAMPLER
> +                || sampler_type->sampler_dim != HLSL_SAMPLER_DIM_GENERIC)
> +        {
> +            struct vkd3d_string_buffer *string;
> +
> +            if ((string = hlsl_type_to_string(ctx, sampler_type)))
> +                hlsl_error(ctx, *loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE,
> +                        "Wrong type for argument 0 of Sample(): expected 'sampler', but got '%s'.", string->buffer);
> +            hlsl_release_string_buffer(ctx, string);
> +            return false;
> +        }
> +
> +        /* Only HLSL_IR_LOAD can return an object. */
> +        sampler_load = hlsl_ir_load(params->args[0]);
> +
> +        if (!(coords = add_implicit_conversion(ctx, instrs, params->args[1],
> +                hlsl_get_vector_type(ctx, HLSL_TYPE_FLOAT, sampler_dim), loc)))
> +            coords = params->args[1];
> +
> +        if (!(load = hlsl_new_resource_load(ctx, object_type->e.resource_format,
> +                HLSL_RESOURCE_SAMPLE, object_load->src.var, object_load->src.offset.node,
> +                sampler_load->src.var, sampler_load->src.offset.node, coords, loc)))
>               return false;
>           list_add_tail(instrs, &load->node.entry);
>           return true;
> diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
> index df10ca27..24b8205c 100644
> --- a/libs/vkd3d-shader/hlsl_codegen.c
> +++ b/libs/vkd3d-shader/hlsl_codegen.c
> @@ -651,6 +651,14 @@ static void compute_liveness_recurse(struct hlsl_block *block, unsigned int loop
>               var->last_read = max(var->last_read, var_last_read);
>               if (load->resource.offset.node)
>                   load->resource.offset.node->last_read = instr->index;
> +
> +            if ((var = load->sampler.var))
> +            {
> +                var->last_read = max(var->last_read, var_last_read);
> +                if (load->sampler.offset.node)
> +                    load->sampler.offset.node->last_read = instr->index;
> +            }
> +
>               load->coords.node->last_read = instr->index;
>               break;
>           }
> diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
> index 5ab7df5f..cef7d6b0 100644
> --- a/libs/vkd3d-shader/hlsl_sm4.c
> +++ b/libs/vkd3d-shader/hlsl_sm4.c
> @@ -1449,6 +1449,10 @@ static void write_sm4_resource_load(struct hlsl_ctx *ctx,
>           case HLSL_RESOURCE_LOAD:
>               write_sm4_ld(ctx, buffer, resource_type, &load->node, &load->resource, coords);
>               break;
> +
> +        case HLSL_RESOURCE_SAMPLE:
> +            hlsl_fixme(ctx, load->node.loc, "Resource sample instruction.");
> +            break;
>       }
>   }
>   
> 



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