Allowed setting uniforms in shader

shader.odin

@@ -122,3 +122,73 @@ reload_shader_program :: proc(renderer: ^Renderer, p: ^Shader_Program) -> bool {
 
     return true
 }
+
+set_shader_uniform :: proc { // TODO: SS - Improve setting shader uniforms. A bit bug-prone and annoying to explicitly add code-paths for every 'Uniform' type needed. 
+    set_shader_uniform_texture,
+    set_shader_uniform_float,
+    set_shader_uniform_matrix4f32,
+    set_shader_uniform_vector3,
+}
+
+set_shader_uniform_texture :: proc(program: ^Shader_Program, uniform: Uniform_Texture) -> bool {
+    assert(program != nil)
+    assert(uniform.index < MATERIAL_MAX_TEXTURES)
+    assert(uniform.value != nil)
+
+    when RENDER_BACKEND_OPENGL {
+        return opengl_set_shader_uniform_texture(program, uniform)
+    }
+
+    return false
+}
+
+set_shader_uniform_float :: proc(program: ^Shader_Program, uniform: Uniform_Float) -> bool {
+    assert(program != nil)
+    assert(len(uniform.name) > 0)
+
+    if uniform.value == nil {
+        return false
+    }
+
+    // TODO: SS - Somehow verify that 'uniform.name' exists in the shader(s)?
+
+    when RENDER_BACKEND_OPENGL {
+        return opengl_set_shader_uniform_float(program, uniform)
+    }
+    
+    return false
+}
+
+set_shader_uniform_matrix4f32 :: proc(program: ^Shader_Program, uniform: Uniform_Matrix4f32) -> bool {
+    assert(program != nil)
+    assert(len(uniform.name) > 0)
+
+    if uniform.value == nil {
+        return false
+    }
+
+    // TODO: SS - Somehow verify that 'uniform.name' exists in the shader(s)?
+
+    when RENDER_BACKEND_OPENGL {
+        return opengl_set_shader_uniform_matrix4f32(program, uniform)
+    }
+    
+    return false
+}
+
+set_shader_uniform_vector3 :: proc(program: ^Shader_Program, uniform: Uniform_Vector3) -> bool {
+    assert(program != nil)
+    assert(len(uniform.name) > 0)
+
+    if uniform.value == nil {
+        return false
+    }
+
+    // TODO: SS - Somehow verify that 'uniform.name' exists in the shader(s)?
+
+    when RENDER_BACKEND_OPENGL {
+        return opengl_set_shader_uniform_vector3(program, uniform)
+    }
+    
+    return false
+}