Small tests for future imps

examples/CMakeLists.txt

@@ -68,3 +68,4 @@ build_cpp_source(triangle)
 build_cpp_source(gyroscope)
 build_cpp_source(doubleWindow)
 build_cpp_source(physicsTest)
+build_cpp_source(shaderTester)

examples/shaders/test.fs

@@ -0,0 +1,8 @@
+#version 460 core
+
+out vec4 FragColor;
+
+void main()
+{
+    FragColor = vec4(0.0f, 1.0f, 0.0f, 1.0f);
+}

examples/shaders/test.vs

@@ -0,0 +1,8 @@
+#version 460 core
+
+layout (location = 0) in vec2 aPos;
+
+void main()
+{
+    gl_Position = vec4(aPos, 0.0f, 1.0f);
+}

examples/src/shaderTester.cpp

@@ -0,0 +1,83 @@
+/********************************************************************************
+ *                                                                              *
+ * HSGIL - Handy Scalable Graphics Integration Library                          *
+ * Copyright (c) 2019-2023 Adrian Bedregal                                      *
+ *                                                                              *
+ * This software is provided 'as-is', without any express or implied            *
+ * warranty. In no event will the authors be held liable for any damages        *
+ * arising from the use of this software.                                       *
+ *                                                                              *
+ * Permission is granted to anyone to use this software for any purpose,        *
+ * including commercial applications, and to alter it and redistribute it       *
+ * freely, subject to the following restrictions:                               *
+ *                                                                              *
+ * 1. The origin of this software must not be misrepresented; you must not      *
+ *    claim that you wrote the original software. If you use this software      *
+ *    in a product, an acknowledgment in the product documentation would be     *
+ *    appreciated but is not required.                                          *
+ * 2. Altered source versions must be plainly marked as such, and must not be   *
+ *    misrepresented as being the original software.                            *
+ * 3. This notice may not be removed or altered from any source distribution.   *
+ *                                                                              *
+ ********************************************************************************/
+
+#include <HSGIL/hsgil.hpp>
+
+#include <iostream>
+
+int main()
+{
+    gil::RenderingWindow window(800, 600, "Shader Tester");
+    if (!window.isReady())
+    {
+        std::cerr << "Window is not ready, something went wrong" << std::endl;
+        return -1;
+    }
+
+    gil::InputHandler inputHandler;
+    window.setInputHandler(inputHandler);
+
+    gil::Shader shader("test");
+    float vertexData[] =
+    {
+        // Position
+        -0.5f, -0.5f,
+         0.5f, -0.5f,
+         0.0f,  0.5f
+    };
+    gil::uint32 VAO, VBO;
+    glGenVertexArrays(1, &VAO);
+    glGenBuffers(1, &VBO);
+
+    glBindVertexArray(VAO);
+
+    glBindBuffer(GL_ARRAY_BUFFER, VBO);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(vertexData), vertexData, GL_STATIC_DRAW);
+
+    glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), (const void*)0);
+    glEnableVertexAttribArray(0);
+
+    glBindVertexArray(0);
+
+    gil::Timer timer;
+    while (window.isActive())
+    {
+        window.pollEvents();
+        if (inputHandler.onKeyDown(gil::KEY_ESCAPE))
+        {
+            window.close();
+        }
+
+        shader.use();
+        glClearColor(0.2f, 0.5f, 1.0f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT);
+        glBindVertexArray(VAO);
+            glDrawArrays(GL_TRIANGLES, 0, sizeof(vertexData) / sizeof(float));
+        glBindVertexArray(0);
+
+        window.swapBuffers();
+        timer.tick();
+    }
+
+    return 0;
+}