1 files changed, 35 insertions, 1 deletions
diff --git a/src/render/Shader.cpp b/src/render/Shader.cpp
index 7b22c83a..7201d1c0 100644
--- a/src/render/Shader.cpp
+++ b/src/render/Shader.cpp
@@ -1,14 +1,48 @@
 #include "Shader.hpp"
+#include "render/OpenGL.hpp"
 
 SShader::~SShader() {
     destroy();
 }
 
+void SShader::createVao() {
+    glGenVertexArrays(1, &shaderVao);
+    glBindVertexArray(shaderVao);
+
+    if (posAttrib != -1) {
+        glGenBuffers(1, &shaderVboPos);
+        glBindBuffer(GL_ARRAY_BUFFER, shaderVboPos);
+        glBufferData(GL_ARRAY_BUFFER, sizeof(fullVerts), fullVerts, GL_STATIC_DRAW);
+        glEnableVertexAttribArray(posAttrib);
+        glVertexAttribPointer(posAttrib, 2, GL_FLOAT, GL_FALSE, 0, (void*)0);
+    }
+
+    // UV VBO (dynamic, may be updated per frame)
+    if (texAttrib != -1) {
+        glGenBuffers(1, &shaderVboUv);
+        glBindBuffer(GL_ARRAY_BUFFER, shaderVboUv);
+        glBufferData(GL_ARRAY_BUFFER, sizeof(fullVerts), fullVerts, GL_DYNAMIC_DRAW); // Initial dummy UVs
+        glEnableVertexAttribArray(texAttrib);
+        glVertexAttribPointer(texAttrib, 2, GL_FLOAT, GL_FALSE, 0, (void*)0);
+    }
+
+    glBindVertexArray(0);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
 void SShader::destroy() {
     if (program == 0)
         return;
 
-    glDeleteProgram(program);
+    if (shaderVao)
+        glDeleteVertexArrays(1, &shaderVao);
+
+    if (shaderVboPos)
+        glDeleteBuffers(1, &shaderVboPos);
 
+    if (shaderVboUv)
+        glDeleteBuffers(1, &shaderVboUv);
+
+    glDeleteProgram(program);
     program = 0;
 }