diff options
Diffstat (limited to '3rdparty/bgfx/3rdparty/spirv-cross/tests-other/msl_resource_bindings.cpp')
-rw-r--r-- | 3rdparty/bgfx/3rdparty/spirv-cross/tests-other/msl_resource_bindings.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/3rdparty/bgfx/3rdparty/spirv-cross/tests-other/msl_resource_bindings.cpp b/3rdparty/bgfx/3rdparty/spirv-cross/tests-other/msl_resource_bindings.cpp new file mode 100644 index 00000000000..fcb3213e1d6 --- /dev/null +++ b/3rdparty/bgfx/3rdparty/spirv-cross/tests-other/msl_resource_bindings.cpp @@ -0,0 +1,86 @@ +// Testbench for MSL resource binding APIs. +// It does not validate output at the moment, but it's useful for ad-hoc testing. + +#include <spirv_cross_c.h> +#include <vector> +#include <stdio.h> +#include <stdlib.h> + +#define SPVC_CHECKED_CALL(x) do { \ + if ((x) != SPVC_SUCCESS) { \ + fprintf(stderr, "Failed at line %d.\n", __LINE__); \ + exit(1); \ + } \ +} while(0) + +static std::vector<SpvId> read_file(const char *path) +{ + long len; + FILE *file = fopen(path, "rb"); + + if (!file) + return {}; + + fseek(file, 0, SEEK_END); + len = ftell(file); + rewind(file); + + std::vector<SpvId> buffer(len / sizeof(SpvId)); + if (fread(buffer.data(), 1, len, file) != (size_t)len) + { + fclose(file); + return {}; + } + + fclose(file); + return buffer; +} + +int main(int argc, char **argv) +{ + if (argc != 2) + return EXIT_FAILURE; + + auto buffer = read_file(argv[1]); + if (buffer.empty()) + return EXIT_FAILURE; + + spvc_context ctx; + spvc_parsed_ir parsed_ir; + spvc_compiler compiler; + + SPVC_CHECKED_CALL(spvc_context_create(&ctx)); + SPVC_CHECKED_CALL(spvc_context_parse_spirv(ctx, buffer.data(), buffer.size(), &parsed_ir)); + SPVC_CHECKED_CALL(spvc_context_create_compiler(ctx, SPVC_BACKEND_MSL, parsed_ir, SPVC_CAPTURE_MODE_TAKE_OWNERSHIP, &compiler)); + SPVC_CHECKED_CALL(spvc_compiler_msl_add_discrete_descriptor_set(compiler, 3)); + + spvc_compiler_options opts; + SPVC_CHECKED_CALL(spvc_compiler_create_compiler_options(compiler, &opts)); + SPVC_CHECKED_CALL(spvc_compiler_options_set_bool(opts, SPVC_COMPILER_OPTION_MSL_ARGUMENT_BUFFERS, SPVC_TRUE)); + SPVC_CHECKED_CALL(spvc_compiler_options_set_uint(opts, SPVC_COMPILER_OPTION_MSL_VERSION, 20000)); + SPVC_CHECKED_CALL(spvc_compiler_install_compiler_options(compiler, opts)); + + spvc_msl_resource_binding binding; + spvc_msl_resource_binding_init(&binding); + binding.binding = SPVC_MSL_ARGUMENT_BUFFER_BINDING; + binding.stage = SpvExecutionModelFragment; + binding.desc_set = 0; + binding.msl_buffer = 2; + SPVC_CHECKED_CALL(spvc_compiler_msl_add_resource_binding(compiler, &binding)); + + binding.desc_set = 1; + binding.msl_buffer = 3; + SPVC_CHECKED_CALL(spvc_compiler_msl_add_resource_binding(compiler, &binding)); + + const char *str; + SPVC_CHECKED_CALL(spvc_compiler_compile(compiler, &str)); + + fprintf(stderr, "Output:\n%s\n", str); + + if (!spvc_compiler_msl_is_resource_used(compiler, SpvExecutionModelFragment, 0, SPVC_MSL_ARGUMENT_BUFFER_BINDING)) + return EXIT_FAILURE; + + if (!spvc_compiler_msl_is_resource_used(compiler, SpvExecutionModelFragment, 1, SPVC_MSL_ARGUMENT_BUFFER_BINDING)) + return EXIT_FAILURE; +} + |