Load shaders and create shader module

build

@@ -18,7 +18,7 @@ build_ktx () {
 build_app () {
 	bear -- clang++ -g -c -Wno-nullability-completeness -DVK_NO_PROTOTYPES -I$VULKAN_SDK/include -Ivendor/include vulkan_profiles/vulkan_profiles.cpp main.cpp
 	bear -a -- clang -g -c -DVK_NO_PROTOTYPES -Ivulkan_profiles -I$VULKAN_SDK/include $VULKAN_SDK/include/volk/volk.c wapp/wapp.c
-	bear -a -- clang++ -g -DVK_NO_PROTOTYPES -Lvendor/lib -lSDL3 -lglm -ltinyobjloader -lktx -o main *.o
+	bear -a -- clang++ -g -DVK_NO_PROTOTYPES -L$VULKAN_SDK/lib -Lvendor/lib -lSDL3 -lglm -ltinyobjloader -lktx -lslang -o main *.o
 }
 
 clean_obj () {

main.cpp

@@ -13,6 +13,8 @@
 #include <SDL3/SDL_keycode.h>
 #include <SDL3/SDL_video.h>
 #include <SDL3/SDL_vulkan.h>
+#include <slang/slang.h>
+#include <slang/slang-com-ptr.h>
 #include <tiny_obj_loader.h>
 #define VMA_IMPLEMENTATION
 #include <vma/vk_mem_alloc.h>
@@ -87,6 +89,8 @@ typedef VkCommandBuffer *VkCommandBufferArray;
 typedef Texture *TextureArray;
 typedef VkDescriptorImageInfo *VkDescriptorImageInfoArray;
 typedef VkBufferImageCopy *VkBufferImageCopyArray;
+typedef slang::TargetDesc *SlangTargetDescArray;
+typedef slang::CompilerOptionEntry *SlangCompOptEntryArray;
 // }}}
 
 // {{{ Helper Function Declarations
@@ -138,6 +142,8 @@ wapp_intern VkDescriptorImageInfoArray tex_descriptors;
 wapp_intern VkDescriptorSetLayout desc_set_layout_tex    = VK_NULL_HANDLE;
 wapp_intern VkDescriptorPool desc_pool                   = VK_NULL_HANDLE;
 wapp_intern VkDescriptorSet desc_set_tex                 = VK_NULL_HANDLE;
+wapp_intern Slang::ComPtr<slang::IGlobalSession> slang_global_session;
+wapp_intern VkShaderModule shader_module                 = VK_NULL_HANDLE;
 // }}}
 
 int main() {
@@ -900,6 +906,60 @@ int main() {
 
 	wapp_mem_arena_allocator_temp_end(&arena);
 
+	// {{{ Shaders
+	// {{{ Runtime Compile Shaders
+	// {{{ Initialise Slang Session
+	// Global session: the connection between the application and the Slang library
+	slang::createGlobalSession(slang_global_session.writeRef());
+
+	// {{{ Define Compilation Scope
+	slang::TargetDesc target = {};
+	target.format            = SLANG_SPIRV;
+	target.profile           = {slang_global_session->findProfile("spirv_1_4")};
+
+	SlangTargetDescArray slang_targets = wapp_array_with_capacity(slang::TargetDesc, 8, ARRAY_INIT_NONE);
+	wapp_array_append_capped(slang::TargetDesc, slang_targets, &target);
+
+	slang::CompilerOptionEntry entry = {};
+	entry.name                       = slang::CompilerOptionName::EmitSpirvDirectly;
+	entry.value                      = {slang::CompilerOptionValueKind::Int, 1};
+
+	SlangCompOptEntryArray slang_options = wapp_array_with_capacity(slang::CompilerOptionEntry, 8, ARRAY_INIT_NONE);
+	wapp_array_append_capped(slang::CompilerOptionEntry, slang_options, &entry);
+	// }}}
+
+	// {{{ Create Session
+	slang::SessionDesc slang_session_desc       = {};
+	slang_session_desc.targets                  = slang_targets;
+	slang_session_desc.targetCount              = wapp_array_count(slang_targets);
+	slang_session_desc.defaultMatrixLayoutMode  = SLANG_MATRIX_LAYOUT_COLUMN_MAJOR;
+	slang_session_desc.compilerOptionEntries    = slang_options;
+	slang_session_desc.compilerOptionEntryCount = wapp_array_count(slang_options);
+
+	Slang::ComPtr<slang::ISession> slang_session;
+	slang_global_session->createSession(slang_session_desc, slang_session.writeRef());
+	// }}}
+	// }}}
+
+	// {{{ Load Shader Code
+	Slang::ComPtr<slang::IModule> slang_module {
+		slang_session->loadModuleFromSource("triangle", "assets/shader.slang", nullptr, nullptr),
+	};
+	
+	Slang::ComPtr<slang::IBlob> spirv;
+	slang_module->getTargetCode(0, spirv.writeRef());
+	// }}}
+	// }}}
+
+	// {{{ Create Shader Module
+	VkShaderModuleCreateInfo module_create_info = {};
+	module_create_info.sType                    = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
+	module_create_info.codeSize                 = spirv->getBufferSize();
+	module_create_info.pCode                    = (u32 *)spirv->getBufferPointer();
+	check(vkCreateShaderModule(device, &module_create_info, NULL, &shader_module));
+	// }}}
+	// }}}
+
 	// {{{ Render Loop
 	SDL_Event event = {};
 	while (running) {
@@ -919,6 +979,7 @@ int main() {
 	// }}}
 
 	// {{{ Cleanup
+	vkDestroyShaderModule(device, shader_module, NULL);
 	vkDestroyDescriptorPool(device, desc_pool, NULL);
 	vkDestroyDescriptorSetLayout(device, desc_set_layout_tex, NULL);
 	for (u32 i = 0; i < wapp_array_count(textures); ++i) {

run

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-LD_LIBRARY_PATH=vendor/lib/:$LD_LIBRARY_PATH ./main
+LD_LIBRARY_PATH=$VULKAN_SDK/lib:vendor/lib/:$LD_LIBRARY_PATH ./main