Updated spirv-cross.

This commit is contained in:
Бранимир Караџић 2021-02-15 19:26:35 -08:00
parent 9d44d85459
commit fb01f5a448
4 changed files with 53 additions and 2 deletions

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@ -701,6 +701,10 @@ spvc_result spvc_compiler_options_set_uint(spvc_compiler_options options, spvc_c
case SPVC_COMPILER_OPTION_MSL_FORCE_SAMPLE_RATE_SHADING:
options->msl.force_sample_rate_shading = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_IOS_SUPPORT_BASE_VERTEX_INSTANCE:
options->msl.ios_support_base_vertex_instance = value != 0;
break;
#endif
default:

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@ -40,7 +40,7 @@ extern "C" {
/* Bumped if ABI or API breaks backwards compatibility. */
#define SPVC_C_API_VERSION_MAJOR 0
/* Bumped if APIs or enumerations are added in a backwards compatible way. */
#define SPVC_C_API_VERSION_MINOR 44
#define SPVC_C_API_VERSION_MINOR 45
/* Bumped if internal implementation details change. */
#define SPVC_C_API_VERSION_PATCH 0
@ -658,6 +658,7 @@ typedef enum spvc_compiler_option
SPVC_COMPILER_OPTION_MSL_EMULATE_SUBGROUPS = 73 | SPVC_COMPILER_OPTION_MSL_BIT,
SPVC_COMPILER_OPTION_MSL_FIXED_SUBGROUP_SIZE = 74 | SPVC_COMPILER_OPTION_MSL_BIT,
SPVC_COMPILER_OPTION_MSL_FORCE_SAMPLE_RATE_SHADING = 75 | SPVC_COMPILER_OPTION_MSL_BIT,
SPVC_COMPILER_OPTION_MSL_IOS_SUPPORT_BASE_VERTEX_INSTANCE = 76 | SPVC_COMPILER_OPTION_MSL_BIT,
SPVC_COMPILER_OPTION_INT_MAX = 0x7fffffff
} spvc_compiler_option;

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@ -1272,7 +1272,7 @@ void CompilerHLSL::replace_illegal_names()
{
static const unordered_set<string> keywords = {
// Additional HLSL specific keywords.
"line", "linear", "matrix", "point", "row_major", "sampler",
"line", "linear", "matrix", "point", "row_major", "sampler", "vector"
};
CompilerGLSL::replace_illegal_names(keywords);

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@ -177,6 +177,7 @@ void CompilerMSL::build_implicit_builtins()
bool need_sample_mask = msl_options.additional_fixed_sample_mask != 0xffffffff;
bool need_local_invocation_index = msl_options.emulate_subgroups && active_input_builtins.get(BuiltInSubgroupId);
bool need_workgroup_size = msl_options.emulate_subgroups && active_input_builtins.get(BuiltInNumSubgroups);
if (need_subpass_input || need_sample_pos || need_subgroup_mask || need_vertex_params || need_tesc_params ||
need_multiview || need_dispatch_base || need_vertex_base_params || need_grid_params || needs_sample_id ||
needs_subgroup_invocation_id || needs_subgroup_size || need_sample_mask || need_local_invocation_index ||
@ -798,6 +799,51 @@ void CompilerMSL::build_implicit_builtins()
msl_options.dynamic_offsets_buffer_index);
dynamic_offsets_buffer_id = var_id;
}
// If we're returning a struct from a vertex-like entry point, we must return a position attribute.
bool need_position =
(get_execution_model() == ExecutionModelVertex ||
get_execution_model() == ExecutionModelTessellationEvaluation) &&
!capture_output_to_buffer && !get_is_rasterization_disabled() &&
!active_output_builtins.get(BuiltInPosition);
if (need_position)
{
// If we can get away with returning void from entry point, we don't need to care.
// If there is at least one other stage output, we need to return [[position]].
need_position = false;
ir.for_each_typed_id<SPIRVariable>([&](uint32_t, SPIRVariable &var) {
if (var.storage == StorageClassOutput && interface_variable_exists_in_entry_point(var.self))
need_position = true;
});
}
if (need_position)
{
uint32_t offset = ir.increase_bound_by(3);
uint32_t type_id = offset;
uint32_t type_ptr_id = offset + 1;
uint32_t var_id = offset + 2;
// Create gl_Position.
SPIRType vec4_type;
vec4_type.basetype = SPIRType::Float;
vec4_type.width = 32;
vec4_type.vecsize = 4;
set<SPIRType>(type_id, vec4_type);
SPIRType vec4_type_ptr;
vec4_type_ptr = vec4_type;
vec4_type_ptr.pointer = true;
vec4_type_ptr.parent_type = type_id;
vec4_type_ptr.storage = StorageClassOutput;
auto &ptr_type = set<SPIRType>(type_ptr_id, vec4_type_ptr);
ptr_type.self = type_id;
set<SPIRVariable>(var_id, type_ptr_id, StorageClassOutput);
set_decoration(var_id, DecorationBuiltIn, BuiltInPosition);
mark_implicit_builtin(StorageClassOutput, BuiltInPosition, var_id);
}
}
// Checks if the specified builtin variable (e.g. gl_InstanceIndex) is marked as active.