actually compile shaders

projects/apis/opengl/CMakeLists.txt

@@ -3,7 +3,7 @@ set(CMAKE_CXX_STANDARD 17)
 project(GryphnOpenGLImpl)
 
 file(GLOB_RECURSE SOURCE_FILES CONFIGURE_DEPENDS
-    "src/*.c"
+    "src/*.c" "src/*.cpp"
 )
 file(GLOB_RECURSE LOADER_FILES CONFIGURE_DEPENDS
     "loader/*.c"
@@ -19,8 +19,9 @@ target_include_directories(GryphnOpenGLImpl PUBLIC
     ${CMAKE_CURRENT_SOURCE_DIR}/../../
     ${CMAKE_CURRENT_SOURCE_DIR}/../../../include/
 )
+add_subdirectory(depends/SPIRV-Cross)
 target_include_directories(GryphnOpenGLImpl PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/depends/glad/include/
 )
 add_compile_definitions(GN_REVEAL_IMPL)
-target_link_libraries(GryphnOpenGLImpl GL "X11")
+target_link_libraries(GryphnOpenGLImpl GL "X11" spirv-cross-core spirv-cross-glsl spirv-cross-cpp)

projects/apis/opengl/src/shaders/opengl_shader_compiler.cpp

@@ -0,0 +1,19 @@
+#include "opengl_shader_compiler.h"
+#include "spirv_glsl.hpp"
+
+typedef struct glCompiler_t {
+    spirv_cross::CompilerGLSL* glsl;
+} glInternalCompiler;
+
+GN_CPP_FUNCTION glCompiler glCreateCompiler(glCompilerInfo* info) {
+    glInternalCompiler* compiler = (glInternalCompiler*)malloc(sizeof(glInternalCompiler));
+    compiler->glsl = new spirv_cross::CompilerGLSL(info->code, info->wordCount);
+    return compiler;
+}
+GN_CPP_FUNCTION const char* glCompilerCompilerShader(glCompiler compiler) {
+    std::string output = compiler->glsl->compile();
+    char* copied_output = (char*)malloc(sizeof(char*) * (output.size() + 1));
+    strcpy(copied_output, output.c_str());
+    copied_output[output.size()] = '\0';
+    return copied_output;
+}

projects/apis/opengl/src/shaders/opengl_shader_compiler.h

@@ -0,0 +1,31 @@
+#pragma once
+#include "stdint.h"
+#include "glad/glad.h"
+#include "utils/gryphn_cpp_function.h"
+
+#define MAX_OPENGL_SETS 32
+#define MAX_OPENGL_BINDINGS 16
+
+typedef enum glShaderModuleStage {
+    glVertex = GL_VERTEX_SHADER,
+    mtlFragment = GL_FRAGMENT_SHADER,
+    mtlMaxStage
+} glShaderModuleStage;
+
+typedef struct glCompilerInfo {
+    uint32_t* code;
+    int wordCount;
+    const char* entryPoint;
+    // glShaderModuleStage stage;
+} glCompilerInfo;
+
+typedef struct glSet { uint32_t bindings[MAX_OPENGL_BINDINGS]; } glSet;
+
+typedef struct glShader {
+    const char* source;
+    glSet sets[MAX_OPENGL_SETS];
+} glShader;
+
+typedef struct glCompiler_t* glCompiler;
+GN_CPP_FUNCTION glCompiler glCreateCompiler(glCompilerInfo* info);
+GN_CPP_FUNCTION const char* glCompilerCompilerShader(glCompiler compiler);

projects/apis/opengl/src/shaders/opengl_shader_module.c

@@ -1,9 +1,17 @@
 #include "opengl_shader_module.h"
-// #include "stdio.h"
+#include "opengl_shader_compiler.h"
+#include "stdlib.h"
 
 gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gnShaderModuleInfo shaderModuleInfo) {
+    module->shaderModule = malloc(sizeof(gnPlatformShaderModule));
+    glCompilerInfo info = {
+        .code = shaderModuleInfo.code,
+        .wordCount = shaderModuleInfo.size / 4,
+        .entryPoint = gnToCString(shaderModuleInfo.entryPoint),
+    };
+    module->shaderModule->compiler = glCreateCompiler(&info);
     return GN_SUCCESS;
 }
 void openglDestroyShaderModule(gnShaderModule module) {
-
+    free(module->shaderModule);
 }

projects/apis/opengl/src/shaders/opengl_shader_module.h

@@ -1,7 +1,9 @@
+#pragma once
 #include "core/src/shader_module/gryphn_shader_module.h"
+#include "opengl_shader_compiler.h"
 
 typedef struct gnPlatformShaderModule_t {
-    const char* shaderSource;
+   glCompiler compiler;
 } gnPlatformShaderModule;
 
 gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gnShaderModuleInfo shaderModuleInfo);