| 14 | } |
| 15 | |
| 16 | void Viewer::initialize() |
| 17 | { |
| 18 | // init glfw - if already initialized nothing happens |
| 19 | glfwInit(); |
| 20 | |
| 21 | GLFWerrorfun prev_func = glfwSetErrorCallback(glfwErrorCallback); |
| 22 | if (prev_func) |
| 23 | glfwSetErrorCallback(prev_func); |
| 24 | |
| 25 | // setup context |
| 26 | glfwDefaultWindowHints(); |
| 27 | glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); |
| 28 | #ifdef __APPLE__ |
| 29 | glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2); |
| 30 | glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); |
| 31 | glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); |
| 32 | #else |
| 33 | glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); |
| 34 | glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_ANY_PROFILE); |
| 35 | #endif |
| 36 | //glfwWindowHint(GLFW_VISIBLE, debug ? GL_TRUE : GL_FALSE); |
| 37 | |
| 38 | window = glfwCreateWindow(win_width*2, win_height*2, "Viewer (press ESC to exit)", 0, NULL); |
| 39 | if (window == NULL) |
| 40 | { |
| 41 | std::cerr << "Failed to create opengl window." << std::endl; |
| 42 | exit(-1); |
| 43 | } |
| 44 | |
| 45 | glfwMakeContextCurrent(window); |
| 46 | OpenGLBindings *b = new OpenGLBindings(); |
| 47 | flextInit(b); |
| 48 | gl(b); |
| 49 | |
| 50 | std::string vertexshadersrc = "" |
| 51 | "#version 330\n" |
| 52 | |
| 53 | "in vec2 Position;" |
| 54 | "in vec2 TexCoord;" |
| 55 | |
| 56 | "out VertexData{" |
| 57 | "vec2 TexCoord;" |
| 58 | "} VertexOut;" |
| 59 | |
| 60 | "void main(void)" |
| 61 | "{" |
| 62 | " gl_Position = vec4(Position, 0.0, 1.0);" |
| 63 | " VertexOut.TexCoord = TexCoord;" |
| 64 | "}"; |
| 65 | std::string grayfragmentshader = "" |
| 66 | "#version 330\n" |
| 67 | |
| 68 | "uniform sampler2DRect Data;" |
| 69 | |
| 70 | "vec4 tempColor;" |
| 71 | "in VertexData{" |
| 72 | " vec2 TexCoord;" |
| 73 | "} FragmentIn;" |
no test coverage detected