From 9d4dfd85fcf0e7c937eb2c10d1d0af5b80b14f17 Mon Sep 17 00:00:00 2001
From: Gregory Wells <me@gregorywells.dev>
Date: Tue, 12 Aug 2025 22:49:23 -0400
Subject: [PATCH] finish OpenGL shader creation

---
 .../opengl/src/shaders/opengl_shader_module.c | 27 +++++++++++++++++++
 .../opengl/src/shaders/opengl_shader_module.h |  1 +
 2 files changed, 28 insertions(+)

diff --git a/projects/apis/opengl/src/shaders/opengl_shader_module.c b/projects/apis/opengl/src/shaders/opengl_shader_module.c
index f3253ba..fa22e91 100644
--- a/projects/apis/opengl/src/shaders/opengl_shader_module.c
+++ b/projects/apis/opengl/src/shaders/opengl_shader_module.c
@@ -1,7 +1,17 @@
 #include "opengl_shader_module.h"
 #include "opengl_shader_compiler.h"
+#include "output_device/gryphn_output_device.h"
+#include "instance/gryphn_instance.h"
 #include "stdlib.h"
 
+GLenum gnShaderTypeToGLEnum(gnShaderModuleStage stage) {
+    switch (stage) {
+    case GN_VERTEX_SHADER_MODULE: return GL_VERTEX_SHADER;
+    case GN_FRAGMENT_SHADER_MODULE: return GL_FRAGMENT_SHADER;
+    case GN_ALL_SHADER_MODULE: return GL_VERTEX_SHADER | GL_FRAGMENT_SHADER;
+    }
+}
+
 gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gnShaderModuleInfo shaderModuleInfo) {
     module->shaderModule = malloc(sizeof(gnPlatformShaderModule));
     glCompilerInfo info = {
@@ -12,8 +22,25 @@ gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gn
     glCompiler compiler = glCreateCompiler(&info);
     module->shaderModule->shader = glCompilerCompilerShader(compiler);
     glDestroyCompiler(compiler);
+
+    module->shaderModule->id = glCreateShader(gnShaderTypeToGLEnum(shaderModuleInfo.stage));
+    const char* source = module->shaderModule->shader.source;
+    glShaderSource(module->shaderModule->id, 1, &source, NULL);
+    glCompileShader(module->shaderModule->id);
+
+    GLint returnCode;
+    glGetShaderiv(module->shaderModule->id, GL_COMPILE_STATUS, &returnCode);
+    if(!returnCode) {
+        char infoLog[512];
+        glGetShaderInfoLog(module->shaderModule->id, 512, NULL, infoLog);
+        gnDebuggerSetErrorMessage(device->instance->debugger, (gnMessageData){
+            .message = gnCreateString(infoLog)
+        });
+    }
+
     return GN_SUCCESS;
 }
 void openglDestroyShaderModule(gnShaderModule module) {
+    glDeleteShader(module->shaderModule->id);
     free(module->shaderModule);
 }
diff --git a/projects/apis/opengl/src/shaders/opengl_shader_module.h b/projects/apis/opengl/src/shaders/opengl_shader_module.h
index 4b2c54b..ec26027 100644
--- a/projects/apis/opengl/src/shaders/opengl_shader_module.h
+++ b/projects/apis/opengl/src/shaders/opengl_shader_module.h
@@ -4,6 +4,7 @@
 
 typedef struct gnPlatformShaderModule_t {
     glShader shader;
+    GLuint id;
 } gnPlatformShaderModule;
 
 gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gnShaderModuleInfo shaderModuleInfo);