Add texture support

Texture.cpp

@@ -0,0 +1,54 @@
+#include "Texture.h"
+
+#include <stb_image.h>
+#include <iostream>
+
+Texture::Texture(const char* texturePath, GLuint shaderProgramId) {
+    this->shaderProgramId = shaderProgramId;
+
+    stbi_set_flip_vertically_on_load(1);
+    stbi_uc *textureBuffer = stbi_load(texturePath, &textureWidth, &textureHeight, &bitsPerPixel, 4);
+
+    // Push texture to grahics card;
+    glGenTextures(1, &textureId);
+    glBindTexture(GL_TEXTURE_2D, textureId);
+
+    //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);	
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+
+    if(textureBuffer) {
+
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, textureWidth, textureHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, textureBuffer);
+        //glGenerateMipmap(GL_TEXTURE_2D);
+        
+
+    } else {
+
+        std::cout << "[Warning] Texture " << texturePath << " not found!" << std::endl;
+
+    }
+
+    stbi_image_free(textureBuffer);
+    glBindTexture(GL_TEXTURE_2D, 0);
+
+}
+
+Texture::~Texture() {
+    glDeleteTextures(1, &textureId);
+}
+
+void Texture::bind(uint8_t textureUnit) {
+    GLint uniformLoc = glGetUniformLocation(shaderProgramId, "u_texture");
+    glUniform1i(uniformLoc, textureUnit);
+    glActiveTexture(GL_TEXTURE0 + textureUnit);
+    glBindTexture(GL_TEXTURE_2D, textureId);
+}
+
+void Texture::unbind() {
+    glBindTexture(GL_TEXTURE_2D, 0);
+}