implemented basic renderer

src/application.c

@@ -7,6 +7,14 @@
 
 #include "renderer/context.h"
 
+static void destroy_application(Application* app)
+{
+	assert(app);
+
+	destroy_vao(app->object);
+	destroy_window(app->window);
+}
+
 int init_application(Application* app, const char* name)
 {
 	assert(app);
@@ -17,6 +25,57 @@ int init_application(Application* app, const char* name)
 		return 1;
 	}
 
+	// Create quad for testing
+	create_vao(&app->object);
+
+	float vertices[] = {
+		-0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 0.0f,
+		-0.5f,  0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
+		 0.5f,  0.5f, 0.0f, 0.0f, 0.0f, 1.0f,
+		 0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 0.0f
+	};
+	attach_vertex_buffer(&app->object, vertices, sizeof(vertices));
+
+	unsigned indices[] = {
+		0, 1, 2,
+		0, 2, 3
+	};
+	attach_element_buffer(&app->object, indices, sizeof(indices));
+
+	VertexAttribute layout[] = {
+		{ GL_FLOAT, 3, 3 * sizeof(float) },
+		{ GL_FLOAT, 3, 3 * sizeof(float) }
+	};
+	set_vertex_layout(&app->object, layout, sizeof(layout) / sizeof(VertexAttribute));
+
+	app->shader = create_shader(
+		"#version 460 core\n"
+		""
+		"layout (location = 0) in vec3 pos;"
+		"layout (location = 1) in vec3 col;"
+		""
+		"out vec3 i_col;"
+		""
+		"void main() {"
+		"	i_col = col;"
+		"	gl_Position = vec4(pos, 1.0);"
+		"}",
+
+		"#version 460 core\n"
+		""
+		"in  vec3 i_col;"
+		"out vec4 FragColor;"
+		""
+		"void main() {"
+		"	FragColor = vec4(i_col, 1.0);"
+		"}"
+	);
+	if(app->shader == 0)
+	{
+		destroy_application(app);
+		return 1;
+	}
+
 	return 0;
 }
 
@@ -27,6 +86,12 @@ int launch_application(Application* app)
 		glfwPollEvents();
 
 		ctx_clear_screen(0.3f, 0.1f, 0.8f, 1.0f);
+
+		bind_shader(app->shader);
+		ctx_draw_elements(&app->object);
+
 		glfwSwapBuffers(app->window);
 	}
+
+	destroy_application(app);
 }