86 lines
No EOL
2.8 KiB
C++
86 lines
No EOL
2.8 KiB
C++
#define GLSLANG_IS_SHARED_LIBRARY
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#include <glslang/Include/glslang_c_interface.h>
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#include <glslang/Public/resource_limits_c.h>
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#include <iostream>
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typedef struct SpirVBinary {
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uint32_t *words; // SPIR-V words
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int size; // number of words in SPIR-V binary
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} SpirVBinary;
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SpirVBinary compileShaderToSPIRV_Vulkan(glslang_stage_t stage, const char* shaderSource, const char* fileName) {
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const glslang_input_t input = {
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.language = GLSLANG_SOURCE_HLSL,
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.stage = stage,
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.client = GLSLANG_CLIENT_VULKAN,
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.client_version = GLSLANG_TARGET_VULKAN_1_2,
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.target_language = GLSLANG_TARGET_SPV,
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.target_language_version = GLSLANG_TARGET_SPV_1_5,
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.code = shaderSource,
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.default_version = 100,
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.default_profile = GLSLANG_NO_PROFILE,
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.force_default_version_and_profile = false,
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.forward_compatible = false,
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.messages = GLSLANG_MSG_DEFAULT_BIT,
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.resource = glslang_default_resource(),
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};
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glslang_shader_t* shader = glslang_shader_create(&input);
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SpirVBinary bin = {
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.words = NULL,
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.size = 0,
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};
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if (!glslang_shader_preprocess(shader, &input)) {
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printf("GLSL preprocessing failed %s\n", fileName);
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printf("%s\n", glslang_shader_get_info_log(shader));
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printf("%s\n", glslang_shader_get_info_debug_log(shader));
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printf("%s\n", input.code);
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glslang_shader_delete(shader);
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return bin;
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}
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if (!glslang_shader_parse(shader, &input)) {
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printf("GLSL parsing failed %s\n", fileName);
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printf("%s\n", glslang_shader_get_info_log(shader));
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printf("%s\n", glslang_shader_get_info_debug_log(shader));
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printf("%s\n", glslang_shader_get_preprocessed_code(shader));
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glslang_shader_delete(shader);
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return bin;
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}
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glslang_program_t* program = glslang_program_create();
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glslang_program_add_shader(program, shader);
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if (!glslang_program_link(program, GLSLANG_MSG_SPV_RULES_BIT | GLSLANG_MSG_VULKAN_RULES_BIT)) {
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printf("GLSL linking failed %s\n", fileName);
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printf("%s\n", glslang_program_get_info_log(program));
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printf("%s\n", glslang_program_get_info_debug_log(program));
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glslang_program_delete(program);
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glslang_shader_delete(shader);
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return bin;
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}
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glslang_program_SPIRV_generate(program, stage);
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bin.size = glslang_program_SPIRV_get_size(program);
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bin.words = malloc(bin.size * sizeof(uint32_t));
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glslang_program_SPIRV_get(program, bin.words);
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const char* spirv_messages = glslang_program_SPIRV_get_messages(program);
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if (spirv_messages)
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printf("(%s) %s\b", fileName, spirv_messages);
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glslang_program_delete(program);
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glslang_shader_delete(shader);
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return bin;
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}
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int main(void)
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{
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} |