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vkd3d-shader: Allocate constant buffers.

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Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura
2021-06-23 23:57:35 -05:00
committed by Alexandre Julliard
parent f7bf1dc01c
commit dd03242417
4 changed files with 121 additions and 8 deletions
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21
libs/vkd3d-shader/hlsl.c
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@@ -112,6 +112,18 @@ static unsigned int get_array_size(const struct hlsl_type *type)
return 1;
}
unsigned int hlsl_type_get_sm4_offset(const struct hlsl_type *type, unsigned int offset)
{
/* Align to the next vec4 boundary if:
* (a) the type is a struct or array type, or
* (b) the type would cross a vec4 boundary; i.e. a vec3 and a
* vec1 can be packed together, but not a vec3 and a vec2.
*/
if (type->type > HLSL_CLASS_LAST_NUMERIC || (offset & 3) + type->reg_size > 4)
return align(offset, 4);
return offset;
}
static void hlsl_type_calculate_reg_size(struct hlsl_ctx *ctx, struct hlsl_type *type)
{
bool is_sm4 = (ctx->profile->major_version >= 4);
@@ -155,14 +167,7 @@ static void hlsl_type_calculate_reg_size(struct hlsl_ctx *ctx, struct hlsl_type
assert(field_size);
/* Align to the next vec4 boundary if:
* (a) the type is a struct or array type, or
* (b) the type would cross a vec4 boundary; i.e. a vec3 and a
* vec1 can be packed together, but not a vec3 and a vec2.
*/
if (field->type->type > HLSL_CLASS_LAST_NUMERIC || (type->reg_size & 3) + field_size > 4)
type->reg_size = align(type->reg_size, 4);
type->reg_size = hlsl_type_get_sm4_offset(field->type, type->reg_size);
field->reg_offset = type->reg_size;
type->reg_size += field_size;