Module: vkd3d Branch: master Commit: 5af7316a1251d0310dcfc8f225f695539b3eab8b URL: https://gitlab.winehq.org/wine/vkd3d/-/commit/5af7316a1251d0310dcfc8f225f695...
Author: Francisco Casas fcasas@codeweavers.com Date: Wed Oct 19 19:29:22 2022 -0300
vkd3d-shader/hlsl: Support explicit cast between component-wise compatible types.
---
libs/vkd3d-shader/hlsl.y | 89 +++++++++++++------------ tests/cast-componentwise-compatible.shader_test | 8 +-- 2 files changed, 49 insertions(+), 48 deletions(-)
diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y index 3cc00f95..7ada218c 100644 --- a/libs/vkd3d-shader/hlsl.y +++ b/libs/vkd3d-shader/hlsl.y @@ -148,9 +148,26 @@ static void check_invalid_matrix_modifiers(struct hlsl_ctx *ctx, DWORD modifiers "'row_major' and 'column_major' modifiers are only allowed for matrices."); }
-static bool convertible_data_type(struct hlsl_type *type) +static bool hlsl_types_are_componentwise_compatible(struct hlsl_ctx *ctx, struct hlsl_type *src, + struct hlsl_type *dst) { - return type->type != HLSL_CLASS_OBJECT; + unsigned int k, count = hlsl_type_component_count(dst); + + if (count > hlsl_type_component_count(src)) + return false; + + for (k = 0; k < count; ++k) + { + struct hlsl_type *src_comp_type, *dst_comp_type; + + src_comp_type = hlsl_type_get_component_type(ctx, src, k); + dst_comp_type = hlsl_type_get_component_type(ctx, dst, k); + + if ((src_comp_type->type != HLSL_CLASS_SCALAR || dst_comp_type->type != HLSL_CLASS_SCALAR) + && !hlsl_types_are_equal(src_comp_type, dst_comp_type)) + return false; + } + return true; }
static bool hlsl_types_are_componentwise_equal(struct hlsl_ctx *ctx, struct hlsl_type *src, @@ -174,58 +191,42 @@ static bool hlsl_types_are_componentwise_equal(struct hlsl_ctx *ctx, struct hlsl return true; }
-static bool compatible_data_types(struct hlsl_type *src, struct hlsl_type *dst) +static bool type_contains_only_numerics(struct hlsl_type *type) { - if (!convertible_data_type(src) || !convertible_data_type(dst)) - return false; + unsigned int i;
- if (src->type <= HLSL_CLASS_LAST_NUMERIC) + if (type->type == HLSL_CLASS_ARRAY) + return type_contains_only_numerics(type->e.array.type); + if (type->type == HLSL_CLASS_STRUCT) { - /* Scalar vars can be cast to pretty much everything */ - if (src->dimx == 1 && src->dimy == 1) - return true; - - if (src->type == HLSL_CLASS_VECTOR && dst->type == HLSL_CLASS_VECTOR) - return src->dimx >= dst->dimx; - } - - /* The other way around is true too i.e. whatever to scalar */ - if (dst->type <= HLSL_CLASS_LAST_NUMERIC && dst->dimx == 1 && dst->dimy == 1) + for (i = 0; i < type->e.record.field_count; ++i) + { + if (!type_contains_only_numerics(type->e.record.fields[i].type)) + return false; + } return true; - - if (src->type == HLSL_CLASS_ARRAY) - { - if (hlsl_types_are_equal(src->e.array.type, dst)) - /* e.g. float4[3] to float4 is allowed */ - return true; - - if (dst->type == HLSL_CLASS_ARRAY || dst->type == HLSL_CLASS_STRUCT) - return hlsl_type_component_count(src) >= hlsl_type_component_count(dst); - else - return hlsl_type_component_count(src) == hlsl_type_component_count(dst); } + return type->type <= HLSL_CLASS_LAST_NUMERIC; +}
- if (src->type == HLSL_CLASS_STRUCT) - return hlsl_type_component_count(src) >= hlsl_type_component_count(dst); +static bool compatible_data_types(struct hlsl_ctx *ctx, struct hlsl_type *src, struct hlsl_type *dst) +{ + if (src->type <= HLSL_CLASS_LAST_NUMERIC && src->dimx == 1 && src->dimy == 1 && type_contains_only_numerics(dst)) + return true;
- if (dst->type == HLSL_CLASS_ARRAY || dst->type == HLSL_CLASS_STRUCT) - return hlsl_type_component_count(src) == hlsl_type_component_count(dst); + if (src->type == HLSL_CLASS_MATRIX && dst->type == HLSL_CLASS_MATRIX + && src->dimx >= dst->dimx && src->dimy >= dst->dimy) + return true;
- if (src->type == HLSL_CLASS_MATRIX || dst->type == HLSL_CLASS_MATRIX) - { - if (src->type == HLSL_CLASS_MATRIX && dst->type == HLSL_CLASS_MATRIX && src->dimx >= dst->dimx && src->dimy >= dst->dimy) - return true; + if ((src->type == HLSL_CLASS_MATRIX && src->dimx > 1 && src->dimy > 1) + && hlsl_type_component_count(src) != hlsl_type_component_count(dst)) + return false;
- /* Matrix-vector conversion is apparently allowed if they have the same components count */ - if ((src->type == HLSL_CLASS_VECTOR || dst->type == HLSL_CLASS_VECTOR) - && hlsl_type_component_count(src) == hlsl_type_component_count(dst)) - return true; + if ((dst->type == HLSL_CLASS_MATRIX && dst->dimy > 1) + && hlsl_type_component_count(src) != hlsl_type_component_count(dst)) return false; - }
- if (hlsl_type_component_count(src) >= hlsl_type_component_count(dst)) - return true; - return false; + return hlsl_types_are_componentwise_compatible(ctx, src, dst); }
static bool implicit_compatible_data_types(struct hlsl_ctx *ctx, struct hlsl_type *src, struct hlsl_type *dst) @@ -4450,7 +4451,7 @@ unary_expr: dst_type = hlsl_new_array_type(ctx, dst_type, $4.sizes[i]); }
- if (!compatible_data_types(src_type, dst_type)) + if (!compatible_data_types(ctx, src_type, dst_type)) { struct vkd3d_string_buffer *src_string, *dst_string;
diff --git a/tests/cast-componentwise-compatible.shader_test b/tests/cast-componentwise-compatible.shader_test index 286c180b..4b342efb 100644 --- a/tests/cast-componentwise-compatible.shader_test +++ b/tests/cast-componentwise-compatible.shader_test @@ -159,8 +159,8 @@ float4 main() : sv_target
[test] -todo draw quad -todo probe all rgba (10.0, 20.0, 30.0, 30.0) +draw quad +probe all rgba (10.0, 20.0, 30.0, 30.0)
[pixel shader] @@ -181,5 +181,5 @@ float4 main() : sv_target
[test] -todo draw quad -todo probe all rgba (10.0, 10.0, 11.4, 12.4) +draw quad +probe all rgba (10.0, 10.0, 11.4, 12.4)