gistfile1.c

/* Load textures */ {
        glGenTextures(2, textures);
        GLsizei width, height;
        GLvoid* pixels;
        // Texture #1
        pixels = load_image(@"hello1.png", &width, &height);
        glBindTexture(GL_TEXTURE_2D, textures[0]);
        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);
        glTexImage2D(GL_TEXTURE_2D, 0,
                     GL_RGBA8,
                     width, height, 0,
                     GL_RGBA, GL_UNSIGNED_BYTE,
                     pixels);
        free(pixels);
        
        eglGetError();
        
        // Texture #2
        pixels = load_image(@"hello2.png", &width, &height);
        glBindTexture(GL_TEXTURE_2D, textures[1]);
        eglGetError();
        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);
        glTexImage2D(GL_TEXTURE_2D, 0,
                     GL_RGBA8,
                     width, height, 0,
                     GL_RGBA, GL_UNSIGNED_BYTE,
                     pixels);
        free(pixels);
    }