add note about shader bug

src/default_shaders.cpp

@@ -25,6 +25,11 @@ void main()
 }
 )VS";
 
+// TODO: there's a bug here with the array size of 'lights'
+// 	with intel opengl, size can be >1000
+// 	but with nvidea opengl size of >200 gives the following error:
+// 		error C6020: Constant register limit exceeded at sampler;
+// 		more than 1024 registers needed to compile program
 const char* DEFAULT_FRAGMENT_SHADER = R"FS(
 #version 330 core
 
@@ -46,7 +51,7 @@ struct point_light {
 	float intensity;
 };
 
-uniform point_light lights[1000];
+uniform point_light lights[200];
 
 
 void main()

src/shader_program.cpp

@@ -19,6 +19,7 @@ bool compileProgram(GLuint& program_id_out,
 default_shader_program*
 shaderInitDefault(const char* vertex_code, const char* frag_code)
 {
+	LOG(Info) << "loading default shader\n";
 	default_shader_program* sp = UTIL_ALLOC(1, default_shader_program);
 	GLuint vs_id = 0;
 	GLuint fs_id = 0;
@@ -53,6 +54,7 @@ shaderInitDefault(const char* vertex_code, const char* frag_code)
 simple_shader_program*
 shaderInitSimple(const char* vertex_code, const char* frag_code)
 {
+	LOG(Info) << "loading simple shader\n";
 	simple_shader_program* sp = UTIL_ALLOC(1, simple_shader_program);
 	GLuint vs_id = 0;
 	GLuint fs_id = 0;