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vkd3d-shader/msl: Implement support for the VKD3DSPR_DEPTHOUT register.

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This commit is contained in:
Feifan He 2024-11-22 15:45:54 +08:00 committed by Henri Verbeet
parent b7203b0bbe
commit 7d2819249b
Notes: Henri Verbeet 2024-11-30 14:35:45 +01:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1286
2 changed files with 37 additions and 5 deletions
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34
libs/vkd3d-shader/msl.c
View File

@ -41,6 +41,8 @@ struct msl_generator
const char *prefix;
bool failed;
bool write_depth;
const struct vkd3d_shader_interface_info *interface_info;
const struct vkd3d_shader_scan_descriptor_info1 *descriptor_info;
};
@ -153,6 +155,14 @@ static void msl_print_register_name(struct vkd3d_string_buffer *buffer,
msl_print_register_datatype(buffer, gen, reg->data_type);
break;
case VKD3DSPR_DEPTHOUT:
if (gen->program->shader_version.type != VKD3D_SHADER_TYPE_PIXEL)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled depth output in shader type #%x.",
gen->program->shader_version.type);
vkd3d_string_buffer_printf(buffer, "o_depth");
break;
case VKD3DSPR_IMMCONST:
switch (reg->dimension)
{
@ -335,7 +345,8 @@ static uint32_t msl_dst_init(struct msl_dst *msl_dst, struct msl_generator *gen,
msl_dst->mask = vkd3d_string_buffer_get(&gen->string_buffers);
msl_print_register_name(msl_dst->register_name, gen, &vsir_dst->reg);
msl_print_write_mask(msl_dst->mask, write_mask);
if (vsir_dst->reg.dimension == VSIR_DIMENSION_VEC4)
msl_print_write_mask(msl_dst->mask, write_mask);
return write_mask;
}
@ -827,6 +838,14 @@ static void msl_generate_output_struct_declarations(struct msl_generator *gen)
{
e = &signature->elements[i];
if (e->sysval_semantic == VKD3D_SHADER_SV_DEPTH)
{
gen->write_depth = true;
msl_print_indent(gen->buffer, 1);
vkd3d_string_buffer_printf(buffer, "float shader_out_depth [[depth(any)]];\n");
continue;
}
if (e->target_location == SIGNATURE_TARGET_LOCATION_UNUSED)
continue;
@ -936,6 +955,12 @@ static void msl_generate_entrypoint_epilogue(struct msl_generator *gen)
{
e = &signature->elements[i];
if (e->sysval_semantic == VKD3D_SHADER_SV_DEPTH)
{
vkd3d_string_buffer_printf(buffer, " output.shader_out_depth = shader_out_depth;\n");
continue;
}
if (e->target_location == SIGNATURE_TARGET_LOCATION_UNUSED)
continue;
@ -995,9 +1020,14 @@ static void msl_generate_entrypoint(struct msl_generator *gen)
vkd3d_string_buffer_printf(gen->buffer, " vkd3d_vec4 %s_out[%u];\n", gen->prefix, 32);
vkd3d_string_buffer_printf(gen->buffer, " vkd3d_%s_out output;\n", gen->prefix);
if (gen->write_depth)
vkd3d_string_buffer_printf(gen->buffer, " float shader_out_depth;\n");
msl_generate_entrypoint_prologue(gen);
vkd3d_string_buffer_printf(gen->buffer, " %s_main(%s_in, %s_out", gen->prefix, gen->prefix, gen->prefix);
if (gen->write_depth)
vkd3d_string_buffer_printf(gen->buffer, ", shader_out_depth");
if (gen->descriptor_info->descriptor_count)
vkd3d_string_buffer_printf(gen->buffer, ", descriptors");
vkd3d_string_buffer_printf(gen->buffer, ");\n");
@ -1035,6 +1065,8 @@ static int msl_generator_generate(struct msl_generator *gen, struct vkd3d_shader
"void %s_main(thread vkd3d_vec4 *v, "
"thread vkd3d_vec4 *o",
gen->prefix);
if (gen->write_depth)
vkd3d_string_buffer_printf(gen->buffer, ", thread float& o_depth");
if (gen->descriptor_info->descriptor_count)
vkd3d_string_buffer_printf(gen->buffer, ", constant vkd3d_%s_descriptors& descriptors", gen->prefix);
vkd3d_string_buffer_printf(gen->buffer, ")\n{\n");

8
tests/hlsl/depth-out.shader_test
View File

@ -16,22 +16,22 @@ float main() : SV_Depth
uniform 0 float 0.0
clear dsv 1.0
depth less
todo(msl) draw quad
draw quad
probe dsv (0,0) r (0.0)
uniform 0 float 0.75
clear dsv 1.0
todo(msl) draw quad
draw quad
probe dsv (0,0) r (0.75)
clear dsv 0.5
depth greater
todo(msl) draw quad
draw quad
probe dsv (0,0) r (0.75)
depth less
clear dsv 0.5
todo(msl) draw quad
draw quad
probe dsv (0,0) r (0.5)