feat(shaders): Implement uniform data passing for ShaderManager

src/shader_manager.py

@@ -3,7 +3,7 @@ import OpenGL.GL as gl
 
 class ShaderManager:
  def __init__(self):
-  pass
+  self.program = None
 
  def compile_shader(self, vertex_src: str, fragment_src: str) -> int:
   program = gl.glCreateProgram()
@@ -37,4 +37,26 @@ class ShaderManager:
   gl.glDeleteShader(vert_shader)
   gl.glDeleteShader(frag_shader)
   
+  self.program = program
   return program
+
+ def update_uniforms(self, uniforms: dict):
+  if self.program is None:
+   return
+  
+  for name, value in uniforms.items():
+   loc = gl.glGetUniformLocation(self.program, name)
+   if loc == -1:
+    continue
+   
+   if isinstance(value, float):
+    gl.glUniform1f(loc, value)
+   elif isinstance(value, int):
+    gl.glUniform1i(loc, value)
+   elif isinstance(value, (list, tuple)):
+    if len(value) == 2:
+     gl.glUniform2f(loc, value[0], value[1])
+    elif len(value) == 3:
+     gl.glUniform3f(loc, value[0], value[1], value[2])
+    elif len(value) == 4:
+     gl.glUniform4f(loc, value[0], value[1], value[2], value[3])