1 /* 2 * Copyright 2009, Haiku Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Alexandre Deckner <alex@zappotek.com> 7 */ 8 9 #include "BitmapTexture.h" 10 11 #include <Bitmap.h> 12 13 #include <GL/gl.h> 14 #include <GL/glu.h> 15 #include <stdio.h> 16 17 18 BitmapTexture::BitmapTexture(BBitmap* bitmap) 19 : 20 Texture() 21 { 22 _Load(bitmap); 23 } 24 25 26 BitmapTexture::~BitmapTexture() 27 { 28 } 29 30 31 void 32 BitmapTexture::_Load(BBitmap* bitmap) { 33 if (bitmap == NULL) 34 return; 35 36 glGenTextures(1, &fId); 37 glBindTexture(GL_TEXTURE_2D, fId); 38 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 39 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 40 glTexImage2D(GL_TEXTURE_2D, 0, 4, 41 (int) bitmap->Bounds().Width() + 1, 42 (int) bitmap->Bounds().Height() + 1, 43 0, GL_BGRA, GL_UNSIGNED_BYTE, 44 bitmap->Bits()); 45 46 printf("BitmapTexture::_Load, loaded texture %u (%li, %li, %libits)\n", 47 fId, (int32) bitmap->Bounds().Width(), 48 (int32) bitmap->Bounds().Height(), 49 8 * bitmap->BytesPerRow() / (int)bitmap->Bounds().Width()); 50 51 delete bitmap; 52 } 53