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vkd3d-shader/hlsl: Support expressions as register offsets.

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This commit is contained in:
Victor Chiletto 2024-07-03 14:05:58 -03:00
parent d11c777092
commit e13eb64d4c
Notes: Henri Verbeet 2024-07-08 18:04:49 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/792
3 changed files with 101 additions and 21 deletions
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94
libs/vkd3d-shader/hlsl.y
View File

@ -1214,12 +1214,23 @@ static bool add_effect_group(struct hlsl_ctx *ctx, const char *name, struct hlsl
return true;
}
static bool parse_reservation_index(const char *string, char *type, uint32_t *index)
static bool parse_reservation_index(const char *string, char *type, uint32_t *index, unsigned int bracket_offset)
{
if (!sscanf(string + 1, "%u", index))
return false;
char *endptr;
*type = ascii_tolower(string[0]);
if (string[1] == '\0')
{
*index = bracket_offset;
return true;
}
*index = strtoul(string + 1, &endptr, 10) + bracket_offset;
if (endptr == string + 1)
return false;
return true;
}
@ -6545,22 +6556,35 @@ register_reservation:
':' KW_REGISTER '(' any_identifier ')'
{
memset(&$$, 0, sizeof($$));
if (!parse_reservation_index($4, &$$.reg_type, &$$.reg_index))
if (!parse_reservation_index($4, &$$.reg_type, &$$.reg_index, 0))
hlsl_error(ctx, &@4, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register reservation '%s'.", $4);
vkd3d_free($4);
}
| ':' KW_REGISTER '(' any_identifier '[' expr ']' ')'
{
memset(&$$, 0, sizeof($$));
if (!parse_reservation_index($4, &$$.reg_type, &$$.reg_index,
evaluate_static_expression_as_uint(ctx, $6, &@6)))
{
hlsl_error(ctx, &@4, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register reservation '%s'.", $4);
}
vkd3d_free($4);
vkd3d_free($6);
}
| ':' KW_REGISTER '(' any_identifier ',' any_identifier ')'
{
memset(&$$, 0, sizeof($$));
if (parse_reservation_index($6, &$$.reg_type, &$$.reg_index))
if (parse_reservation_index($6, &$$.reg_type, &$$.reg_index, 0))
{
hlsl_fixme(ctx, &@4, "Reservation shader target %s.", $4);
}
else if (parse_reservation_space($6, &$$.reg_space))
{
if (!parse_reservation_index($4, &$$.reg_type, &$$.reg_index))
if (!parse_reservation_index($4, &$$.reg_type, &$$.reg_index, 0))
hlsl_error(ctx, &@4, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register reservation '%s'.", $4);
}
@ -6573,12 +6597,47 @@ register_reservation:
vkd3d_free($4);
vkd3d_free($6);
}
| ':' KW_REGISTER '(' any_identifier '[' expr ']' ',' any_identifier ')'
{
memset(&$$, 0, sizeof($$));
if (!parse_reservation_space($9, &$$.reg_space))
hlsl_error(ctx, &@9, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register space reservation '%s'.", $9);
if (!parse_reservation_index($4, &$$.reg_type, &$$.reg_index,
evaluate_static_expression_as_uint(ctx, $6, &@6)))
{
hlsl_error(ctx, &@4, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register reservation '%s'.", $4);
}
vkd3d_free($4);
vkd3d_free($6);
vkd3d_free($9);
}
| ':' KW_REGISTER '(' any_identifier ',' any_identifier '[' expr ']' ')'
{
hlsl_fixme(ctx, &@4, "Reservation shader target %s.", $4);
memset(&$$, 0, sizeof($$));
if (!parse_reservation_index($6, &$$.reg_type, &$$.reg_index,
evaluate_static_expression_as_uint(ctx, $8, &@8)))
{
hlsl_error(ctx, &@6, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register reservation '%s'.", $6);
}
vkd3d_free($4);
vkd3d_free($6);
vkd3d_free($8);
}
| ':' KW_REGISTER '(' any_identifier ',' any_identifier ',' any_identifier ')'
{
hlsl_fixme(ctx, &@4, "Reservation shader target %s.", $4);
memset(&$$, 0, sizeof($$));
if (!parse_reservation_index($6, &$$.reg_type, &$$.reg_index))
if (!parse_reservation_index($6, &$$.reg_type, &$$.reg_index, 0))
hlsl_error(ctx, &@6, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register reservation '%s'.", $6);
@ -6590,6 +6649,27 @@ register_reservation:
vkd3d_free($6);
vkd3d_free($8);
}
| ':' KW_REGISTER '(' any_identifier ',' any_identifier '[' expr ']' ',' any_identifier ')'
{
hlsl_fixme(ctx, &@4, "Reservation shader target %s.", $4);
memset(&$$, 0, sizeof($$));
if (!parse_reservation_index($6, &$$.reg_type, &$$.reg_index,
evaluate_static_expression_as_uint(ctx, $8, &@8)))
{
hlsl_error(ctx, &@6, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register reservation '%s'.", $6);
}
if (!parse_reservation_space($11, &$$.reg_space))
hlsl_error(ctx, &@11, VKD3D_SHADER_ERROR_HLSL_INVALID_RESERVATION,
"Invalid register space reservation '%s'.", $11);
vkd3d_free($4);
vkd3d_free($6);
vkd3d_free($8);
vkd3d_free($11);
}
packoffset_reservation:
':' KW_PACKOFFSET '(' any_identifier ')'

24
tests/hlsl/register-reservations-numeric.shader_test
View File

@ -296,7 +296,7 @@ uniform 0 float 1.0
todo(glsl) draw quad
probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
[pixel shader todo]
[pixel shader]
// Numeric expr, no offset in the identifier. DXC ignores this.
float a : register (c[1 + 1 * 2 * 0]);
@ -308,11 +308,11 @@ float4 main() : sv_target
[test]
uniform 0 float 1.0
uniform 4 float 2.0
todo(glsl|sm<6) draw quad
todo(glsl) draw quad
if(sm<6) probe (0, 0) rgba (2.0, 2.0, 2.0, 2.0)
if(sm>=6) probe (0, 0) rgba(1.0, 1.0, 1.0, 1.0)
[pixel shader todo]
[pixel shader]
// Numeric expr. DXC also ignores this.
float a : register (c0[1 + 1 * 2 * 0]);
@ -324,11 +324,11 @@ float4 main() : sv_target
[test]
uniform 0 float 0.0
uniform 4 float 1.0
todo(glsl|sm<6) draw quad
todo(glsl) draw quad
if(sm<6) probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
if(sm>=6) probe (0, 0) rgba (0.0, 0.0, 0.0, 0.0)
[pixel shader todo]
[pixel shader]
// Float offsets truncate.
float a : register (c0[0.6 + 0.6]);
@ -340,11 +340,11 @@ float4 main() : sv_target
[test]
uniform 0 float 0.0
uniform 4 float 1.0
todo(glsl|sm<6) draw quad
todo(glsl) draw quad
if(sm<6) probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
if(sm>=6) probe (0, 0) rgba (0.0, 0.0, 0.0, 0.0)
[pixel shader todo]
[pixel shader]
// Booleans are interpreted as integers in the usual way.
float a : register (c0[true + false * true]);
@ -356,11 +356,11 @@ float4 main() : sv_target
[test]
uniform 0 float 0.0
uniform 4 float 1.0
todo(glsl|sm<6) draw quad
todo(glsl) draw quad
if(sm<6) probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
if(sm>=6) probe (0, 0) rgba (0.0, 0.0, 0.0, 0.0)
[pixel shader fail(sm>=6) todo]
[pixel shader fail(sm>=6)]
// Negative offsets. DXC fails to compile this.
float a : register (c2[-1]);
@ -371,7 +371,7 @@ float4 main() : sv_target
[test]
uniform 4 float 1.0
todo draw quad
todo(glsl) draw quad
probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
% Weird FXC behavior.
@ -484,7 +484,7 @@ size (2d, 1, 2)
[require]
shader model >= 4.0
[pixel shader todo]
[pixel shader]
Texture2D tex : register(t[1]);
sampler sam : register(s[1]);
@ -494,6 +494,6 @@ float4 main() : sv_target
}
[test]
todo(sm<6) draw quad
todo(glsl) draw quad
if(sm<6) probe (0, 0) rgba(2.0, 2.0, 2.0, 2.0)
if(sm>=6) probe (0, 0) rgba(0.5, 0.5, 0.5, 0.5)

4
tests/hlsl/register-reservations-space.shader_test
View File

@ -30,7 +30,7 @@ todo(glsl) draw quad
probe (0, 0) rgba (1, 1, 1, 99)
% Bracket syntax for registers. Ignored in SM>=6.
[pixel shader todo]
[pixel shader]
Texture2D tex1 : register(t[1], space0);
float4 main() : sv_target
@ -39,7 +39,7 @@ float4 main() : sv_target
}
[test]
todo(sm<6) draw quad
todo(glsl) draw quad
if(sm>=6) probe (0, 0) rgba (0, 0, 0, 99)
if(sm<6) probe (0, 0) rgba (1, 1, 1, 99)