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vkd3d-shader/hlsl: Implement texture gather methods.

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Signed-off-by: Francisco Casas <fcasas@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Francisco Casas
2022-01-26 15:35:32 +01:00
committed by Alexandre Julliard
parent 7aa709ad57
commit 6de080088a
4 changed files with 165 additions and 1 deletions
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100
libs/vkd3d-shader/hlsl.y
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@@ -1930,6 +1930,106 @@ static bool add_method_call(struct hlsl_ctx *ctx, struct list *instrs, struct hl
list_add_tail(instrs, &load->node.entry);
return true;
}
else if (!strcmp(name, "Gather") || !strcmp(name, "GatherRed") || !strcmp(name, "GatherBlue")
|| !strcmp(name, "GatherGreen") || !strcmp(name, "GatherAlpha"))
{
const unsigned int sampler_dim = sampler_dim_count(object_type->sampler_dim);
enum hlsl_resource_load_type load_type;
const struct hlsl_type *sampler_type;
struct hlsl_ir_resource_load *load;
struct hlsl_ir_node *offset = NULL;
struct hlsl_ir_load *sampler_load;
struct hlsl_type *result_type;
struct hlsl_ir_node *coords;
unsigned int read_channel;
if (!strcmp(name, "GatherGreen"))
{
load_type = HLSL_RESOURCE_GATHER_GREEN;
read_channel = 1;
}
else if (!strcmp(name, "GatherBlue"))
{
load_type = HLSL_RESOURCE_GATHER_BLUE;
read_channel = 2;
}
else if (!strcmp(name, "GatherAlpha"))
{
load_type = HLSL_RESOURCE_GATHER_ALPHA;
read_channel = 3;
}
else
{
load_type = HLSL_RESOURCE_GATHER_RED;
read_channel = 0;
}
if (!strcmp(name, "Gather"))
{
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 'Gather': expected 2 or 3, but got %u.", params->args_count);
return false;
}
}
else if (params->args_count < 2 || params->args_count == 5 || params->args_count > 7)
{
hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_WRONG_PARAMETER_COUNT,
"Wrong number of arguments to method '%s': expected 2, 3, 4, 6 or 7, but got %u.",
name, params->args_count);
return false;
}
if (params->args_count == 4 || params->args_count == 7)
hlsl_fixme(ctx, loc, "Tiled resource status argument.");
if (params->args_count == 6 || params->args_count == 7)
hlsl_fixme(ctx, loc, "Multiple Gather() offset parameters.");
if (params->args_count == 3 || params->args_count == 4)
{
if (!(offset = add_implicit_conversion(ctx, instrs, params->args[2],
hlsl_get_vector_type(ctx, HLSL_TYPE_INT, sampler_dim), loc)))
return false;
}
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 1 of %s(): expected 'sampler', but got '%s'.", name, string->buffer);
hlsl_release_string_buffer(ctx, string);
return false;
}
if (read_channel >= object_type->e.resource_format->dimx)
{
hlsl_error(ctx, loc, VKD3D_SHADER_ERROR_HLSL_INVALID_TYPE,
"Method %s() requires at least %u channels.", name, read_channel + 1);
return false;
}
result_type = hlsl_get_vector_type(ctx, object_type->e.resource_format->base_type, 4);
/* 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)))
return false;
if (!(load = hlsl_new_resource_load(ctx, result_type,
load_type, object_load->src.var, object_load->src.offset.node,
sampler_load->src.var, sampler_load->src.offset.node, coords, offset, loc)))
return false;
list_add_tail(instrs, &load->node.entry);
return true;
}
else
{
struct vkd3d_string_buffer *string;