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vkd3d-shader/msl: Generate the shader entry point epilogue.

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This commit is contained in:
Feifan He 2024-09-30 11:51:26 +08:00 committed by Henri Verbeet
parent a88f3168e5
commit cd070f9995
Notes: Henri Verbeet 2024-10-07 17:52:05 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1132
1 changed files with 37 additions and 6 deletions
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43
libs/vkd3d-shader/msl.c
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@ -78,10 +78,10 @@ static void msl_print_indent(struct vkd3d_string_buffer *buffer, unsigned int in
} }
static void msl_print_register_datatype(struct vkd3d_string_buffer *buffer, static void msl_print_register_datatype(struct vkd3d_string_buffer *buffer,
struct msl_generator *gen, const struct vkd3d_shader_register *reg) struct msl_generator *gen, enum vkd3d_data_type data_type)
{ {
vkd3d_string_buffer_printf(buffer, "."); vkd3d_string_buffer_printf(buffer, ".");
switch (reg->data_type) switch (data_type)
{ {
case VKD3D_DATA_FLOAT: case VKD3D_DATA_FLOAT:
vkd3d_string_buffer_printf(buffer, "f"); vkd3d_string_buffer_printf(buffer, "f");
@ -94,8 +94,8 @@ static void msl_print_register_datatype(struct vkd3d_string_buffer *buffer,
break; break;
default: default:
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL, msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled register datatype %#x.", reg->data_type); "Internal compiler error: Unhandled register datatype %#x.", data_type);
vkd3d_string_buffer_printf(buffer, "<unrecognised register datatype %#x>", reg->data_type); vkd3d_string_buffer_printf(buffer, "<unrecognised register datatype %#x>", data_type);
break; break;
} }
} }
@ -107,7 +107,7 @@ static void msl_print_register_name(struct vkd3d_string_buffer *buffer,
{ {
case VKD3DSPR_TEMP: case VKD3DSPR_TEMP:
vkd3d_string_buffer_printf(buffer, "r[%u]", reg->idx[0].offset); vkd3d_string_buffer_printf(buffer, "r[%u]", reg->idx[0].offset);
msl_print_register_datatype(buffer, gen, reg); msl_print_register_datatype(buffer, gen, reg->data_type);
break; break;
default: default:
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL, msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
@ -464,6 +464,37 @@ static void msl_generate_output_struct_declarations(struct msl_generator *gen)
vkd3d_string_buffer_printf(buffer, "};\n\n"); vkd3d_string_buffer_printf(buffer, "};\n\n");
} }
static void msl_generate_entrypoint_epilogue(struct msl_generator *gen)
{
const struct shader_signature *signature = &gen->program->output_signature;
struct vkd3d_string_buffer *buffer = gen->buffer;
const struct signature_element *e;
unsigned int i;
for (i = 0; i < signature->element_count; ++i)
{
e = &signature->elements[i];
if (e->target_location == SIGNATURE_TARGET_LOCATION_UNUSED)
continue;
switch (e->sysval_semantic)
{
case VKD3D_SHADER_SV_NONE:
case VKD3D_SHADER_SV_TARGET:
case VKD3D_SHADER_SV_POSITION:
vkd3d_string_buffer_printf(buffer, " output.shader_out_%u = %s_out", i, gen->prefix);
msl_print_register_datatype(buffer, gen, vkd3d_data_type_from_component_type(e->component_type));
break;
default:
vkd3d_string_buffer_printf(buffer, " <unhandled sysval %#x>", e->sysval_semantic);
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled system value %#x input.", e->sysval_semantic);
}
vkd3d_string_buffer_printf(buffer, ";\n");
}
}
static void msl_generate_entrypoint(struct msl_generator *gen) static void msl_generate_entrypoint(struct msl_generator *gen)
{ {
enum vkd3d_shader_type type = gen->program->shader_version.type; enum vkd3d_shader_type type = gen->program->shader_version.type;
@ -498,7 +529,7 @@ static void msl_generate_entrypoint(struct msl_generator *gen)
vkd3d_string_buffer_printf(gen->buffer, " %s_main(%s_in, %s_out);\n", gen->prefix, gen->prefix, gen->prefix); vkd3d_string_buffer_printf(gen->buffer, " %s_main(%s_in, %s_out);\n", gen->prefix, gen->prefix, gen->prefix);
/* TODO: epilogue */ msl_generate_entrypoint_epilogue(gen);
vkd3d_string_buffer_printf(gen->buffer, " return output;\n}\n"); vkd3d_string_buffer_printf(gen->buffer, " return output;\n}\n");
} }