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vkd3d-shader/hlsl: Allow more implicit conversions between matrices and vectors.

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HLSL seems to treat matrices 1xN or Nx1 as vectors when looking for
implicit conversions.

Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@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:
Giovanni Mascellani 2021-10-25 09:06:30 +02:00 committed by Alexandre Julliard
parent ce9a86975f
commit fc053b1c08
1 changed files with 15 additions and 7 deletions
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22
libs/vkd3d-shader/hlsl.y
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@ -240,14 +240,22 @@ static bool implicit_compatible_data_types(struct hlsl_type *t1, struct hlsl_typ
if (t1->type == HLSL_CLASS_MATRIX || t2->type == HLSL_CLASS_MATRIX)
{
if (t1->type == HLSL_CLASS_MATRIX && t2->type == HLSL_CLASS_MATRIX
&& t1->dimx >= t2->dimx && t1->dimy >= t2->dimy)
return true;
if (t1->type == HLSL_CLASS_MATRIX && t2->type == HLSL_CLASS_MATRIX)
return t1->dimx >= t2->dimx && t1->dimy >= t2->dimy;
/* Matrix-vector conversion is apparently allowed if they have
* the same components count, or if the matrix is 1xN or Nx1
* and we are reducing the component count */
if (t1->type == HLSL_CLASS_VECTOR || t2->type == HLSL_CLASS_VECTOR)
{
if (hlsl_type_component_count(t1) == hlsl_type_component_count(t2))
return true;
if ((t1->type == HLSL_CLASS_VECTOR || t1->dimx == 1 || t1->dimy == 1) &&
(t2->type == HLSL_CLASS_VECTOR || t2->dimx == 1 || t2->dimy == 1))
return hlsl_type_component_count(t1) >= hlsl_type_component_count(t2);
}
/* Matrix-vector conversion is apparently allowed if they have the same components count */
if ((t1->type == HLSL_CLASS_VECTOR || t2->type == HLSL_CLASS_VECTOR)
&& hlsl_type_component_count(t1) == hlsl_type_component_count(t2))
return true;
return false;
}