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spirv_cross_c.cpp
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spirv_cross_c.cpp
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/*
* Copyright 2019-2021 Hans-Kristian Arntzen
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* At your option, you may choose to accept this material under either:
* 1. The Apache License, Version 2.0, found at <http://www.apache.org/licenses/LICENSE-2.0>, or
* 2. The MIT License, found at <http://opensource.org/licenses/MIT>.
*/
#include "spirv_cross_c.h"
#if SPIRV_CROSS_C_API_CPP
#include "spirv_cpp.hpp"
#endif
#if SPIRV_CROSS_C_API_GLSL
#include "spirv_glsl.hpp"
#else
#include "spirv_cross.hpp"
#endif
#if SPIRV_CROSS_C_API_HLSL
#include "spirv_hlsl.hpp"
#endif
#if SPIRV_CROSS_C_API_MSL
#include "spirv_msl.hpp"
#endif
#if SPIRV_CROSS_C_API_REFLECT
#include "spirv_reflect.hpp"
#endif
#ifdef HAVE_SPIRV_CROSS_GIT_VERSION
#include "gitversion.h"
#endif
#include "spirv_parser.hpp"
#include <memory>
#include <new>
#include <string.h>
// clang-format off
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4996)
#endif
#ifndef SPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS
#define SPVC_BEGIN_SAFE_SCOPE try
#else
#define SPVC_BEGIN_SAFE_SCOPE
#endif
#ifndef SPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS
#define SPVC_END_SAFE_SCOPE(context, error) \
catch (const std::exception &e) \
{ \
(context)->report_error(e.what()); \
return (error); \
}
#else
#define SPVC_END_SAFE_SCOPE(context, error)
#endif
using namespace std;
using namespace SPIRV_CROSS_NAMESPACE;
struct ScratchMemoryAllocation
{
virtual ~ScratchMemoryAllocation() = default;
};
struct StringAllocation : ScratchMemoryAllocation
{
explicit StringAllocation(const char *name)
: str(name)
{
}
explicit StringAllocation(std::string name)
: str(std::move(name))
{
}
std::string str;
};
template <typename T>
struct TemporaryBuffer : ScratchMemoryAllocation
{
SmallVector<T> buffer;
};
template <typename T, typename... Ts>
static inline std::unique_ptr<T> spvc_allocate(Ts &&... ts)
{
return std::unique_ptr<T>(new T(std::forward<Ts>(ts)...));
}
struct spvc_context_s
{
string last_error;
SmallVector<unique_ptr<ScratchMemoryAllocation>> allocations;
const char *allocate_name(const std::string &name);
spvc_error_callback callback = nullptr;
void *callback_userdata = nullptr;
void report_error(std::string msg);
};
void spvc_context_s::report_error(std::string msg)
{
last_error = std::move(msg);
if (callback)
callback(callback_userdata, last_error.c_str());
}
const char *spvc_context_s::allocate_name(const std::string &name)
{
SPVC_BEGIN_SAFE_SCOPE
{
auto alloc = spvc_allocate<StringAllocation>(name);
auto *ret = alloc->str.c_str();
allocations.emplace_back(std::move(alloc));
return ret;
}
SPVC_END_SAFE_SCOPE(this, nullptr)
}
struct spvc_parsed_ir_s : ScratchMemoryAllocation
{
spvc_context context = nullptr;
ParsedIR parsed;
};
struct spvc_compiler_s : ScratchMemoryAllocation
{
spvc_context context = nullptr;
unique_ptr<Compiler> compiler;
spvc_backend backend = SPVC_BACKEND_NONE;
};
struct spvc_compiler_options_s : ScratchMemoryAllocation
{
spvc_context context = nullptr;
uint32_t backend_flags = 0;
#if SPIRV_CROSS_C_API_GLSL
CompilerGLSL::Options glsl;
#endif
#if SPIRV_CROSS_C_API_MSL
CompilerMSL::Options msl;
#endif
#if SPIRV_CROSS_C_API_HLSL
CompilerHLSL::Options hlsl;
#endif
};
struct spvc_set_s : ScratchMemoryAllocation
{
std::unordered_set<VariableID> set;
};
// Dummy-inherit to we can keep our opaque type handle type safe in C-land as well,
// and avoid just throwing void * around.
struct spvc_type_s : SPIRType
{
};
struct spvc_constant_s : SPIRConstant
{
};
struct spvc_resources_s : ScratchMemoryAllocation
{
spvc_context context = nullptr;
SmallVector<spvc_reflected_resource> uniform_buffers;
SmallVector<spvc_reflected_resource> storage_buffers;
SmallVector<spvc_reflected_resource> stage_inputs;
SmallVector<spvc_reflected_resource> stage_outputs;
SmallVector<spvc_reflected_resource> subpass_inputs;
SmallVector<spvc_reflected_resource> storage_images;
SmallVector<spvc_reflected_resource> sampled_images;
SmallVector<spvc_reflected_resource> atomic_counters;
SmallVector<spvc_reflected_resource> push_constant_buffers;
SmallVector<spvc_reflected_resource> shader_record_buffers;
SmallVector<spvc_reflected_resource> separate_images;
SmallVector<spvc_reflected_resource> separate_samplers;
SmallVector<spvc_reflected_resource> acceleration_structures;
SmallVector<spvc_reflected_builtin_resource> builtin_inputs;
SmallVector<spvc_reflected_builtin_resource> builtin_outputs;
bool copy_resources(SmallVector<spvc_reflected_resource> &outputs, const SmallVector<Resource> &inputs);
bool copy_resources(SmallVector<spvc_reflected_builtin_resource> &outputs, const SmallVector<BuiltInResource> &inputs);
bool copy_resources(const ShaderResources &resources);
};
spvc_result spvc_context_create(spvc_context *context)
{
auto *ctx = new (std::nothrow) spvc_context_s;
if (!ctx)
return SPVC_ERROR_OUT_OF_MEMORY;
*context = ctx;
return SPVC_SUCCESS;
}
void spvc_context_destroy(spvc_context context)
{
delete context;
}
void spvc_context_release_allocations(spvc_context context)
{
context->allocations.clear();
}
const char *spvc_context_get_last_error_string(spvc_context context)
{
return context->last_error.c_str();
}
SPVC_PUBLIC_API void spvc_context_set_error_callback(spvc_context context, spvc_error_callback cb, void *userdata)
{
context->callback = cb;
context->callback_userdata = userdata;
}
spvc_result spvc_context_parse_spirv(spvc_context context, const SpvId *spirv, size_t word_count,
spvc_parsed_ir *parsed_ir)
{
SPVC_BEGIN_SAFE_SCOPE
{
std::unique_ptr<spvc_parsed_ir_s> pir(new (std::nothrow) spvc_parsed_ir_s);
if (!pir)
{
context->report_error("Out of memory.");
return SPVC_ERROR_OUT_OF_MEMORY;
}
pir->context = context;
Parser parser(spirv, word_count);
parser.parse();
pir->parsed = std::move(parser.get_parsed_ir());
*parsed_ir = pir.get();
context->allocations.push_back(std::move(pir));
}
SPVC_END_SAFE_SCOPE(context, SPVC_ERROR_INVALID_SPIRV)
return SPVC_SUCCESS;
}
spvc_result spvc_context_create_compiler(spvc_context context, spvc_backend backend, spvc_parsed_ir parsed_ir,
spvc_capture_mode mode, spvc_compiler *compiler)
{
SPVC_BEGIN_SAFE_SCOPE
{
std::unique_ptr<spvc_compiler_s> comp(new (std::nothrow) spvc_compiler_s);
if (!comp)
{
context->report_error("Out of memory.");
return SPVC_ERROR_OUT_OF_MEMORY;
}
comp->backend = backend;
comp->context = context;
if (mode != SPVC_CAPTURE_MODE_COPY && mode != SPVC_CAPTURE_MODE_TAKE_OWNERSHIP)
{
context->report_error("Invalid argument for capture mode.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
switch (backend)
{
case SPVC_BACKEND_NONE:
if (mode == SPVC_CAPTURE_MODE_TAKE_OWNERSHIP)
comp->compiler.reset(new Compiler(std::move(parsed_ir->parsed)));
else if (mode == SPVC_CAPTURE_MODE_COPY)
comp->compiler.reset(new Compiler(parsed_ir->parsed));
break;
#if SPIRV_CROSS_C_API_GLSL
case SPVC_BACKEND_GLSL:
if (mode == SPVC_CAPTURE_MODE_TAKE_OWNERSHIP)
comp->compiler.reset(new CompilerGLSL(std::move(parsed_ir->parsed)));
else if (mode == SPVC_CAPTURE_MODE_COPY)
comp->compiler.reset(new CompilerGLSL(parsed_ir->parsed));
break;
#endif
#if SPIRV_CROSS_C_API_HLSL
case SPVC_BACKEND_HLSL:
if (mode == SPVC_CAPTURE_MODE_TAKE_OWNERSHIP)
comp->compiler.reset(new CompilerHLSL(std::move(parsed_ir->parsed)));
else if (mode == SPVC_CAPTURE_MODE_COPY)
comp->compiler.reset(new CompilerHLSL(parsed_ir->parsed));
break;
#endif
#if SPIRV_CROSS_C_API_MSL
case SPVC_BACKEND_MSL:
if (mode == SPVC_CAPTURE_MODE_TAKE_OWNERSHIP)
comp->compiler.reset(new CompilerMSL(std::move(parsed_ir->parsed)));
else if (mode == SPVC_CAPTURE_MODE_COPY)
comp->compiler.reset(new CompilerMSL(parsed_ir->parsed));
break;
#endif
#if SPIRV_CROSS_C_API_CPP
case SPVC_BACKEND_CPP:
if (mode == SPVC_CAPTURE_MODE_TAKE_OWNERSHIP)
comp->compiler.reset(new CompilerCPP(std::move(parsed_ir->parsed)));
else if (mode == SPVC_CAPTURE_MODE_COPY)
comp->compiler.reset(new CompilerCPP(parsed_ir->parsed));
break;
#endif
#if SPIRV_CROSS_C_API_REFLECT
case SPVC_BACKEND_JSON:
if (mode == SPVC_CAPTURE_MODE_TAKE_OWNERSHIP)
comp->compiler.reset(new CompilerReflection(std::move(parsed_ir->parsed)));
else if (mode == SPVC_CAPTURE_MODE_COPY)
comp->compiler.reset(new CompilerReflection(parsed_ir->parsed));
break;
#endif
default:
context->report_error("Invalid backend.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
*compiler = comp.get();
context->allocations.push_back(std::move(comp));
}
SPVC_END_SAFE_SCOPE(context, SPVC_ERROR_OUT_OF_MEMORY)
return SPVC_SUCCESS;
}
spvc_result spvc_compiler_create_compiler_options(spvc_compiler compiler, spvc_compiler_options *options)
{
SPVC_BEGIN_SAFE_SCOPE
{
std::unique_ptr<spvc_compiler_options_s> opt(new (std::nothrow) spvc_compiler_options_s);
if (!opt)
{
compiler->context->report_error("Out of memory.");
return SPVC_ERROR_OUT_OF_MEMORY;
}
opt->context = compiler->context;
opt->backend_flags = 0;
switch (compiler->backend)
{
#if SPIRV_CROSS_C_API_MSL
case SPVC_BACKEND_MSL:
opt->backend_flags |= SPVC_COMPILER_OPTION_MSL_BIT | SPVC_COMPILER_OPTION_COMMON_BIT;
opt->glsl = static_cast<CompilerMSL *>(compiler->compiler.get())->get_common_options();
opt->msl = static_cast<CompilerMSL *>(compiler->compiler.get())->get_msl_options();
break;
#endif
#if SPIRV_CROSS_C_API_HLSL
case SPVC_BACKEND_HLSL:
opt->backend_flags |= SPVC_COMPILER_OPTION_HLSL_BIT | SPVC_COMPILER_OPTION_COMMON_BIT;
opt->glsl = static_cast<CompilerHLSL *>(compiler->compiler.get())->get_common_options();
opt->hlsl = static_cast<CompilerHLSL *>(compiler->compiler.get())->get_hlsl_options();
break;
#endif
#if SPIRV_CROSS_C_API_GLSL
case SPVC_BACKEND_GLSL:
opt->backend_flags |= SPVC_COMPILER_OPTION_GLSL_BIT | SPVC_COMPILER_OPTION_COMMON_BIT;
opt->glsl = static_cast<CompilerGLSL *>(compiler->compiler.get())->get_common_options();
break;
#endif
default:
break;
}
*options = opt.get();
compiler->context->allocations.push_back(std::move(opt));
}
SPVC_END_SAFE_SCOPE(compiler->context, SPVC_ERROR_OUT_OF_MEMORY)
return SPVC_SUCCESS;
}
spvc_result spvc_compiler_options_set_bool(spvc_compiler_options options, spvc_compiler_option option,
spvc_bool value)
{
return spvc_compiler_options_set_uint(options, option, value ? 1 : 0);
}
spvc_result spvc_compiler_options_set_uint(spvc_compiler_options options, spvc_compiler_option option, unsigned value)
{
(void)value;
(void)option;
uint32_t supported_mask = options->backend_flags;
uint32_t required_mask = option & SPVC_COMPILER_OPTION_LANG_BITS;
if ((required_mask | supported_mask) != supported_mask)
{
options->context->report_error("Option is not supported by current backend.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
switch (option)
{
#if SPIRV_CROSS_C_API_GLSL
case SPVC_COMPILER_OPTION_FORCE_TEMPORARY:
options->glsl.force_temporary = value != 0;
break;
case SPVC_COMPILER_OPTION_FLATTEN_MULTIDIMENSIONAL_ARRAYS:
options->glsl.flatten_multidimensional_arrays = value != 0;
break;
case SPVC_COMPILER_OPTION_FIXUP_DEPTH_CONVENTION:
options->glsl.vertex.fixup_clipspace = value != 0;
break;
case SPVC_COMPILER_OPTION_FLIP_VERTEX_Y:
options->glsl.vertex.flip_vert_y = value != 0;
break;
case SPVC_COMPILER_OPTION_EMIT_LINE_DIRECTIVES:
options->glsl.emit_line_directives = value != 0;
break;
case SPVC_COMPILER_OPTION_ENABLE_STORAGE_IMAGE_QUALIFIER_DEDUCTION:
options->glsl.enable_storage_image_qualifier_deduction = value != 0;
break;
case SPVC_COMPILER_OPTION_FORCE_ZERO_INITIALIZED_VARIABLES:
options->glsl.force_zero_initialized_variables = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_SUPPORT_NONZERO_BASE_INSTANCE:
options->glsl.vertex.support_nonzero_base_instance = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_SEPARATE_SHADER_OBJECTS:
options->glsl.separate_shader_objects = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_ENABLE_420PACK_EXTENSION:
options->glsl.enable_420pack_extension = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_VERSION:
options->glsl.version = value;
break;
case SPVC_COMPILER_OPTION_GLSL_ES:
options->glsl.es = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_VULKAN_SEMANTICS:
options->glsl.vulkan_semantics = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_ES_DEFAULT_FLOAT_PRECISION_HIGHP:
options->glsl.fragment.default_float_precision =
value != 0 ? CompilerGLSL::Options::Precision::Highp : CompilerGLSL::Options::Precision::Mediump;
break;
case SPVC_COMPILER_OPTION_GLSL_ES_DEFAULT_INT_PRECISION_HIGHP:
options->glsl.fragment.default_int_precision =
value != 0 ? CompilerGLSL::Options::Precision::Highp : CompilerGLSL::Options::Precision::Mediump;
break;
case SPVC_COMPILER_OPTION_GLSL_EMIT_PUSH_CONSTANT_AS_UNIFORM_BUFFER:
options->glsl.emit_push_constant_as_uniform_buffer = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_EMIT_UNIFORM_BUFFER_AS_PLAIN_UNIFORMS:
options->glsl.emit_uniform_buffer_as_plain_uniforms = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_FORCE_FLATTENED_IO_BLOCKS:
options->glsl.force_flattened_io_blocks = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_OVR_MULTIVIEW_VIEW_COUNT:
options->glsl.ovr_multiview_view_count = value;
break;
case SPVC_COMPILER_OPTION_RELAX_NAN_CHECKS:
options->glsl.relax_nan_checks = value != 0;
break;
case SPVC_COMPILER_OPTION_GLSL_ENABLE_ROW_MAJOR_LOAD_WORKAROUND:
options->glsl.enable_row_major_load_workaround = value != 0;
break;
#endif
#if SPIRV_CROSS_C_API_HLSL
case SPVC_COMPILER_OPTION_HLSL_SHADER_MODEL:
options->hlsl.shader_model = value;
break;
case SPVC_COMPILER_OPTION_HLSL_POINT_SIZE_COMPAT:
options->hlsl.point_size_compat = value != 0;
break;
case SPVC_COMPILER_OPTION_HLSL_POINT_COORD_COMPAT:
options->hlsl.point_coord_compat = value != 0;
break;
case SPVC_COMPILER_OPTION_HLSL_SUPPORT_NONZERO_BASE_VERTEX_BASE_INSTANCE:
options->hlsl.support_nonzero_base_vertex_base_instance = value != 0;
break;
case SPVC_COMPILER_OPTION_HLSL_FORCE_STORAGE_BUFFER_AS_UAV:
options->hlsl.force_storage_buffer_as_uav = value != 0;
break;
case SPVC_COMPILER_OPTION_HLSL_NONWRITABLE_UAV_TEXTURE_AS_SRV:
options->hlsl.nonwritable_uav_texture_as_srv = value != 0;
break;
case SPVC_COMPILER_OPTION_HLSL_ENABLE_16BIT_TYPES:
options->hlsl.enable_16bit_types = value != 0;
break;
case SPVC_COMPILER_OPTION_HLSL_FLATTEN_MATRIX_VERTEX_INPUT_SEMANTICS:
options->hlsl.flatten_matrix_vertex_input_semantics = value != 0;
break;
#endif
#if SPIRV_CROSS_C_API_MSL
case SPVC_COMPILER_OPTION_MSL_VERSION:
options->msl.msl_version = value;
break;
case SPVC_COMPILER_OPTION_MSL_TEXEL_BUFFER_TEXTURE_WIDTH:
options->msl.texel_buffer_texture_width = value;
break;
case SPVC_COMPILER_OPTION_MSL_SWIZZLE_BUFFER_INDEX:
options->msl.swizzle_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_INDIRECT_PARAMS_BUFFER_INDEX:
options->msl.indirect_params_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_SHADER_OUTPUT_BUFFER_INDEX:
options->msl.shader_output_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_SHADER_PATCH_OUTPUT_BUFFER_INDEX:
options->msl.shader_patch_output_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_SHADER_TESS_FACTOR_OUTPUT_BUFFER_INDEX:
options->msl.shader_tess_factor_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_SHADER_INPUT_WORKGROUP_INDEX:
options->msl.shader_input_wg_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_ENABLE_POINT_SIZE_BUILTIN:
options->msl.enable_point_size_builtin = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_DISABLE_RASTERIZATION:
options->msl.disable_rasterization = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_CAPTURE_OUTPUT_TO_BUFFER:
options->msl.capture_output_to_buffer = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_SWIZZLE_TEXTURE_SAMPLES:
options->msl.swizzle_texture_samples = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_PAD_FRAGMENT_OUTPUT_COMPONENTS:
options->msl.pad_fragment_output_components = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_TESS_DOMAIN_ORIGIN_LOWER_LEFT:
options->msl.tess_domain_origin_lower_left = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_PLATFORM:
options->msl.platform = static_cast<CompilerMSL::Options::Platform>(value);
break;
case SPVC_COMPILER_OPTION_MSL_ARGUMENT_BUFFERS:
options->msl.argument_buffers = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_TEXTURE_BUFFER_NATIVE:
options->msl.texture_buffer_native = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_BUFFER_SIZE_BUFFER_INDEX:
options->msl.buffer_size_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_MULTIVIEW:
options->msl.multiview = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_VIEW_MASK_BUFFER_INDEX:
options->msl.view_mask_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_DEVICE_INDEX:
options->msl.device_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_VIEW_INDEX_FROM_DEVICE_INDEX:
options->msl.view_index_from_device_index = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_DISPATCH_BASE:
options->msl.dispatch_base = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_DYNAMIC_OFFSETS_BUFFER_INDEX:
options->msl.dynamic_offsets_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_TEXTURE_1D_AS_2D:
options->msl.texture_1D_as_2D = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_ENABLE_BASE_INDEX_ZERO:
options->msl.enable_base_index_zero = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_FRAMEBUFFER_FETCH_SUBPASS:
options->msl.use_framebuffer_fetch_subpasses = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_INVARIANT_FP_MATH:
options->msl.invariant_float_math = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_EMULATE_CUBEMAP_ARRAY:
options->msl.emulate_cube_array = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_ENABLE_DECORATION_BINDING:
options->msl.enable_decoration_binding = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_FORCE_ACTIVE_ARGUMENT_BUFFER_RESOURCES:
options->msl.force_active_argument_buffer_resources = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_FORCE_NATIVE_ARRAYS:
options->msl.force_native_arrays = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_ENABLE_FRAG_OUTPUT_MASK:
options->msl.enable_frag_output_mask = value;
break;
case SPVC_COMPILER_OPTION_MSL_ENABLE_FRAG_DEPTH_BUILTIN:
options->msl.enable_frag_depth_builtin = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_ENABLE_FRAG_STENCIL_REF_BUILTIN:
options->msl.enable_frag_stencil_ref_builtin = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_ENABLE_CLIP_DISTANCE_USER_VARYING:
options->msl.enable_clip_distance_user_varying = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_MULTI_PATCH_WORKGROUP:
options->msl.multi_patch_workgroup = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_SHADER_INPUT_BUFFER_INDEX:
options->msl.shader_input_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_SHADER_INDEX_BUFFER_INDEX:
options->msl.shader_index_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_VERTEX_FOR_TESSELLATION:
options->msl.vertex_for_tessellation = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_VERTEX_INDEX_TYPE:
options->msl.vertex_index_type = static_cast<CompilerMSL::Options::IndexType>(value);
break;
case SPVC_COMPILER_OPTION_MSL_MULTIVIEW_LAYERED_RENDERING:
options->msl.multiview_layered_rendering = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_ARRAYED_SUBPASS_INPUT:
options->msl.arrayed_subpass_input = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_R32UI_LINEAR_TEXTURE_ALIGNMENT:
options->msl.r32ui_linear_texture_alignment = value;
break;
case SPVC_COMPILER_OPTION_MSL_R32UI_ALIGNMENT_CONSTANT_ID:
options->msl.r32ui_alignment_constant_id = value;
break;
case SPVC_COMPILER_OPTION_MSL_IOS_USE_SIMDGROUP_FUNCTIONS:
options->msl.ios_use_simdgroup_functions = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_EMULATE_SUBGROUPS:
options->msl.emulate_subgroups = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_FIXED_SUBGROUP_SIZE:
options->msl.fixed_subgroup_size = value;
break;
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;
case SPVC_COMPILER_OPTION_MSL_RAW_BUFFER_TESE_INPUT:
options->msl.raw_buffer_tese_input = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_SHADER_PATCH_INPUT_BUFFER_INDEX:
options->msl.shader_patch_input_buffer_index = value;
break;
case SPVC_COMPILER_OPTION_MSL_MANUAL_HELPER_INVOCATION_UPDATES:
options->msl.manual_helper_invocation_updates = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_CHECK_DISCARDED_FRAG_STORES:
options->msl.check_discarded_frag_stores = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_ARGUMENT_BUFFERS_TIER:
options->msl.argument_buffers_tier = static_cast<CompilerMSL::Options::ArgumentBuffersTier>(value);
break;
case SPVC_COMPILER_OPTION_MSL_SAMPLE_DREF_LOD_ARRAY_AS_GRAD:
options->msl.sample_dref_lod_array_as_grad = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_READWRITE_TEXTURE_FENCES:
options->msl.readwrite_texture_fences = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_REPLACE_RECURSIVE_INPUTS:
options->msl.replace_recursive_inputs = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_AGX_MANUAL_CUBE_GRAD_FIXUP:
options->msl.agx_manual_cube_grad_fixup = value != 0;
break;
case SPVC_COMPILER_OPTION_MSL_FORCE_FRAGMENT_WITH_SIDE_EFFECTS_EXECUTION:
options->msl.force_fragment_with_side_effects_execution = value != 0;
break;
#endif
default:
options->context->report_error("Unknown option.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
return SPVC_SUCCESS;
}
spvc_result spvc_compiler_install_compiler_options(spvc_compiler compiler, spvc_compiler_options options)
{
(void)options;
switch (compiler->backend)
{
#if SPIRV_CROSS_C_API_GLSL
case SPVC_BACKEND_GLSL:
static_cast<CompilerGLSL &>(*compiler->compiler).set_common_options(options->glsl);
break;
#endif
#if SPIRV_CROSS_C_API_HLSL
case SPVC_BACKEND_HLSL:
static_cast<CompilerHLSL &>(*compiler->compiler).set_common_options(options->glsl);
static_cast<CompilerHLSL &>(*compiler->compiler).set_hlsl_options(options->hlsl);
break;
#endif
#if SPIRV_CROSS_C_API_MSL
case SPVC_BACKEND_MSL:
static_cast<CompilerMSL &>(*compiler->compiler).set_common_options(options->glsl);
static_cast<CompilerMSL &>(*compiler->compiler).set_msl_options(options->msl);
break;
#endif
default:
break;
}
return SPVC_SUCCESS;
}
spvc_result spvc_compiler_add_header_line(spvc_compiler compiler, const char *line)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend == SPVC_BACKEND_NONE)
{
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
static_cast<CompilerGLSL *>(compiler->compiler.get())->add_header_line(line);
return SPVC_SUCCESS;
#else
(void)line;
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
#endif
}
spvc_result spvc_compiler_require_extension(spvc_compiler compiler, const char *line)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend == SPVC_BACKEND_NONE)
{
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
static_cast<CompilerGLSL *>(compiler->compiler.get())->require_extension(line);
return SPVC_SUCCESS;
#else
(void)line;
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
#endif
}
size_t spvc_compiler_get_num_required_extensions(spvc_compiler compiler)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend != SPVC_BACKEND_GLSL)
{
compiler->context->report_error("Enabled extensions can only be queried on GLSL backend.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
return static_cast<CompilerGLSL *>(compiler->compiler.get())->get_required_extensions().size();
#else
compiler->context->report_error("Enabled extensions can only be queried on GLSL backend.");
return 0;
#endif
}
const char *spvc_compiler_get_required_extension(spvc_compiler compiler, size_t index)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend != SPVC_BACKEND_GLSL)
{
compiler->context->report_error("Enabled extensions can only be queried on GLSL backend.");
return nullptr;
}
auto &exts = static_cast<CompilerGLSL *>(compiler->compiler.get())->get_required_extensions();
if (index < exts.size())
return exts[index].c_str();
else
return nullptr;
#else
(void)index;
compiler->context->report_error("Enabled extensions can only be queried on GLSL backend.");
return nullptr;
#endif
}
spvc_result spvc_compiler_flatten_buffer_block(spvc_compiler compiler, spvc_variable_id id)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend == SPVC_BACKEND_NONE)
{
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
static_cast<CompilerGLSL *>(compiler->compiler.get())->flatten_buffer_block(id);
return SPVC_SUCCESS;
#else
(void)id;
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
#endif
}
spvc_bool spvc_compiler_variable_is_depth_or_compare(spvc_compiler compiler, spvc_variable_id id)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend == SPVC_BACKEND_NONE)
{
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
return static_cast<CompilerGLSL *>(compiler->compiler.get())->variable_is_depth_or_compare(id) ? SPVC_TRUE : SPVC_FALSE;
#else
(void)id;
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_FALSE;
#endif
}
spvc_result spvc_compiler_mask_stage_output_by_location(spvc_compiler compiler,
unsigned location, unsigned component)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend == SPVC_BACKEND_NONE)
{
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
static_cast<CompilerGLSL *>(compiler->compiler.get())->mask_stage_output_by_location(location, component);
return SPVC_SUCCESS;
#else
(void)location;
(void)component;
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
#endif
}
spvc_result spvc_compiler_mask_stage_output_by_builtin(spvc_compiler compiler, SpvBuiltIn builtin)
{
#if SPIRV_CROSS_C_API_GLSL
if (compiler->backend == SPVC_BACKEND_NONE)
{
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
static_cast<CompilerGLSL *>(compiler->compiler.get())->mask_stage_output_by_builtin(spv::BuiltIn(builtin));
return SPVC_SUCCESS;
#else
(void)builtin;
compiler->context->report_error("Cross-compilation related option used on NONE backend which only supports reflection.");
return SPVC_ERROR_INVALID_ARGUMENT;
#endif
}
spvc_result spvc_compiler_hlsl_set_root_constants_layout(spvc_compiler compiler,
const spvc_hlsl_root_constants *constant_info,
size_t count)
{
#if SPIRV_CROSS_C_API_HLSL
if (compiler->backend != SPVC_BACKEND_HLSL)
{
compiler->context->report_error("HLSL function used on a non-HLSL backend.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
auto &hlsl = *static_cast<CompilerHLSL *>(compiler->compiler.get());
vector<RootConstants> roots;
roots.reserve(count);
for (size_t i = 0; i < count; i++)
{
RootConstants root;
root.binding = constant_info[i].binding;
root.space = constant_info[i].space;
root.start = constant_info[i].start;
root.end = constant_info[i].end;
roots.push_back(root);
}
hlsl.set_root_constant_layouts(std::move(roots));
return SPVC_SUCCESS;
#else
(void)constant_info;
(void)count;
compiler->context->report_error("HLSL function used on a non-HLSL backend.");
return SPVC_ERROR_INVALID_ARGUMENT;
#endif
}
spvc_result spvc_compiler_hlsl_add_vertex_attribute_remap(spvc_compiler compiler,
const spvc_hlsl_vertex_attribute_remap *remap,
size_t count)
{
#if SPIRV_CROSS_C_API_HLSL
if (compiler->backend != SPVC_BACKEND_HLSL)
{
compiler->context->report_error("HLSL function used on a non-HLSL backend.");
return SPVC_ERROR_INVALID_ARGUMENT;
}
HLSLVertexAttributeRemap re;
auto &hlsl = *static_cast<CompilerHLSL *>(compiler->compiler.get());
for (size_t i = 0; i < count; i++)
{
re.location = remap[i].location;
re.semantic = remap[i].semantic;
hlsl.add_vertex_attribute_remap(re);