More boilerplate code

native/main.cpp

@@ -147,6 +147,8 @@ void onGLFWError(int errorCode, const char* error) {
 	std::cerr << "GLFW error: " << error << " (error code: " << errorCode << ")\n";
 }
 
+Shader::Program shader;
+
 int main() {
 	glfwSetErrorCallback(onGLFWError);
 	glfwInit();
@@ -161,10 +163,13 @@ int main() {
 	glfwMakeContextCurrent(window);
 
 	Mesh::InstancedElements sphere = processMesh("../meshes/sphere.obj");
-	Shader::Program shader;
 
-	shader.add(readExternalFile("../shaders/vertex.glsl").c_str(), -1, GL_VERTEX_SHADER);
-	shader.add(readExternalFile("../shaders/fragment.glsl").c_str(), -1, GL_FRAGMENT_SHADER);
+	{
+		std::string vertexCode = readExternalFile("../shaders/vertex.glsl");
+		shader.add(vertexCode.c_str(), -1, GL_VERTEX_SHADER);
+		std::string fragmentCode = readExternalFile("../shaders/fragment.glsl");
+		shader.add(fragmentCode.c_str(), -1, GL_FRAGMENT_SHADER);
+	}
 	shader.link();
 	shader.use();
 }

shaders/fragment.glsl

@@ -0,0 +1,9 @@
+#version 330 core
+
+in vec2 vTexCoord;
+
+unfirom sampler2D aTexture0;
+
+void main() {
+	gl_FragColor = texture(aTexture0, vTexCoord);
+}

shaders/vertex.glsl

@@ -0,0 +1,28 @@
+/*
+    Copyright (C) 2021  hiimgoodpack
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#version 330 core
+layout (location = 0) in vec3 aPosition;
+layout (location = 1) in vec3 aTexCoord;
+
+out vec2 vTexCoord;
+
+uniform mat4 aTransform;
+
+void main() {
+	gl_Position = aTransform * vec4(aPosition, 1);
+	vTexCoordd = aTexCoord;
+}