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vkd3d-shader/dxbc: Map sm4 fragment outputs to system values based on their name.

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This commit is contained in:
Zebediah Figura
2023-09-20 13:15:55 -05:00
committed by Alexandre Julliard
parent 8c11270940
commit 1615e5a76b
Notes: Alexandre Julliard 2023-09-21 22:01:59 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/356
2 changed files with 25 additions and 2 deletions
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23
libs/vkd3d-shader/dxbc.c
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@@ -321,6 +321,26 @@ int vkd3d_shader_parse_dxbc(const struct vkd3d_shader_code *dxbc,
return ret;
}
/* Shader Model 6 shaders use these special values in the output signature,
* but Shader Model 4/5 just use VKD3D_SHADER_SV_NONE. Normalize to SM6. */
static enum vkd3d_shader_sysval_semantic map_fragment_output_sysval(const char *name)
{
if (!ascii_strcasecmp(name, "sv_target"))
return VKD3D_SHADER_SV_TARGET;
if (!ascii_strcasecmp(name, "sv_depth"))
return VKD3D_SHADER_SV_DEPTH;
if (!ascii_strcasecmp(name, "sv_coverage"))
return VKD3D_SHADER_SV_COVERAGE;
if (!ascii_strcasecmp(name, "sv_depthgreaterequal"))
return VKD3D_SHADER_SV_DEPTH_GREATER_EQUAL;
if (!ascii_strcasecmp(name, "sv_depthlessequal"))
return VKD3D_SHADER_SV_DEPTH_LESS_EQUAL;
if (!ascii_strcasecmp(name, "sv_stencilref"))
return VKD3D_SHADER_SV_STENCIL_REF;
return VKD3D_SHADER_SV_NONE;
}
static int shader_parse_signature(const struct vkd3d_shader_dxbc_section_desc *section,
struct vkd3d_shader_message_context *message_context, struct shader_signature *s)
{
@@ -401,6 +421,9 @@ static int shader_parse_signature(const struct vkd3d_shader_dxbc_section_desc *s
case TAG_OSGN:
case TAG_OSG1:
case TAG_OSG5:
if (e[i].sysval_semantic == VKD3D_SHADER_SV_NONE)
e[i].sysval_semantic = map_fragment_output_sysval(e[i].semantic_name);
/* Fall through. */
case TAG_PCSG:
case TAG_PSG1:
e[i].used_mask = e[i].mask & ~e[i].used_mask;